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3,951
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What happens when the 3 cytokines are expressed?
{ "answer_start": [ 13303 ], "text": [ "These 3 cytokines then work in concert to activate ILC2s to further secrete type 2 cytokines IL-4, IL-5, and IL-13 which further aggravate the type 2 inflammation in the airway causing acute exacerbation (" ] }
false
3,952
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What happens in the case of COPD?
{ "answer_start": [ 13551 ], "text": [ " increased ILC2 activation, which retain the capability of differentiating to ILC1, may also further augment the neutrophilic response and further aggravate the exacerbation" ] }
false
3,954
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What happens during viral infection of healthy individuals?
{ "answer_start": [ 13763 ], "text": [ " these factors are not released to any great extent and do not activate an ILC2 response during viral infection in healthy individuals (Yan et al., 2016; Tan et al., 2018a) ; despite augmenting a type 2 exacerbation in chronically inflamed airways (Jurak et al., 201...
false
3,960
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What happens upon viral infection in the airway?
{ "answer_start": [ 14396 ], "text": [ "antiviral state will be activated to clear the invading pathogen from the airway. Immune response and injury factors released from the infected epithelium normally would induce a rapid type 1 immunity that facilitates viral clearance. " ] }
false
3,961
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What is the effect of the inflammation of the airway?
{ "answer_start": [ 14630 ], "text": [ " However, in the inflamed airway, the cytokines and chemokines released instead augmented the inflammation present in the chronically inflamed airway, strengthening the neutrophilic infiltration in COPD airway, and eosinophilic infiltration in the asthmatic airway. ...
false
3,962
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What increases the severity of exacerbations in the airway?
{ "answer_start": [ 15260 ], "text": [ "the synergistic effect of viral infection with other sensitizing agents " ] }
false
3,964
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
Why viruses do not need to directly infect the lower airway to cause an acute exacerbation?
{ "answer_start": [ 15786 ], "text": [ "he nasal epithelium remains the primary site of most infections." ] }
false
3,965
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
what is suggested by the fact that not all viral infections of the airway lead to acute exacerbations?
{ "answer_start": [ 15945 ], "text": [ "a more complex interplay between the virus and upper airway epithelium which synergize with the local airway environment in line with the \"united airway\" hypothesis " ] }
false
3,966
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What is the effect of chronic airway inflammatory disease in patients?
{ "answer_start": [ 16152 ], "text": [ "viral infections or their components persist in patients" ] }
false
3,967
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What is the effect of chronic airway inflammatory disease?
{ "answer_start": [ 16333 ], "text": [ "may further alter the local environment and contribute to current and future exacerbations" ] }
false
3,968
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
Why should future studies be performed using metagenomics in addition to PCR analysis ?
{ "answer_start": [ 16507 ], "text": [ "to determine the contribution of the microbiome and mycobiome to viral infections." ] }
false
3,969
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What is highlighted by the authors in this review?
{ "answer_start": [ 16618 ], "text": [ " recent data regarding viral interactions with the airway epithelium that could also contribute to, or further aggravate, acute exacerbations of chronic airway inflammatory diseases." ] }
false
3,970
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
Who has impaired or reduced ability of viral clearance ?
{ "answer_start": [ 16802 ], "text": [ "Patients with chronic airway inflammatory diseases " ] }
false
3,971
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What does their impairment stems from?
{ "answer_start": [ 17072 ], "text": [ "a type 2-skewed inflammatory response which deprives the airway of important type 1 responsive CD8 cells that are responsible for the complete clearance of virusinfected cells " ] }
false
3,972
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
Where is this especially evident?
{ "answer_start": [ 17315 ], "text": [ "in weak type 1 inflammation-inducing viruses such as RV and RSV" ] }
false
3,973
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What are other effects?
{ "answer_start": [ 17454 ], "text": [ "there are also evidence of reduced type I (IFNβ) and III (IFNλ) interferon production due to type 2-skewed inflammation, which contributes to imperfect clearance of the virus resulting in persistence of viral components, or the live virus in the airway epithelium " ...
false
3,974
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What is the effect of viral components remaining in the airway?
{ "answer_start": [ 17828 ], "text": [ "antiviral genes such as type I interferons, inflammasome activating factors and cytokines remained activated resulting in prolong airway inflammation" ] }
false
3,975
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What do these factors do?
{ "answer_start": [ 18044 ], "text": [ "enhance granulocyte infiltration thus prolonging the exacerbation symptoms. Such persistent inflammation may also be found within DNA viruses such as AdV, hCMV and HSV, whose infections generally persist longer (Imperiale and Jiang, 2015) , further contributing to c...
false
3,976
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What is also linked with the chronic inflammation that precedes the malignancies?
{ "answer_start": [ 18519 ], "text": [ "human papilloma virus (HPV), a DNA virus highly associated with head and neck cancers and respiratory papillomatosis," ] }
false
3,977
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What should be investigated in the future?
{ "answer_start": [ 18818 ], "text": [ " the role of HPV infection in causing chronic inflammation in the airway and their association to exacerbations of chronic airway inflammatory diseases, which is scarcely explored" ] }
false
3,978
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What further can viral persistence lead to?
{ "answer_start": [ 19050 ], "text": [ "viral persistence which lead to continuous expression of antiviral genes may also lead to the development of steroid resistance, which is seen with RV, RSV, and PIV infection" ] }
false
3,979
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What effect the use of steroids to suppress inflammation can have?
{ "answer_start": [ 19332 ], "text": [ "may also cause the virus to linger longer in the airway due to the lack of antiviral clearance" ] }
false
3,980
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What should be further focus of research?
{ "answer_start": [ 19542 ], "text": [ "The concomitant development of steroid resistance together with recurring or prolong viral infection " ] }
false
3,981
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
Which viruses may not cause prolonged inflammation due to strong induction of antiviral clearance?
{ "answer_start": [ 19859 ], "text": [ "viruses that induce strong type 1 inflammation and cell death such as IFV (Yan et al., 2016; Guibas et al., 2018) and certain CoV (including the recently emerged COVID-19 virus)" ] }
false
3,982
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What do these infections cause?
{ "answer_start": [ 20212 ], "text": [ "massive damage and cell death to the epithelial barrier, so much so that areas of the epithelium may be completely absent post infection (Yan et al., 2016; Tan et al., 2019) . Factors such as RANTES and CXCL10, which recruit immune cells to induce apoptosis, are str...
false
3,983
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What do the necroptotic factors such as RIP3 do?
{ "answer_start": [ 20610 ], "text": [ " further compounds the cell deaths in IFV infected epithelium . The massive cell death induced may result in worsening of the acute exacerbation due to the release of their cellular content into the airway, further evoking an inflammatory response in the airway " ...
false
3,984
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What may the destruction of the epithelial barrier cause?
{ "answer_start": [ 20957 ], "text": [ " further contact with other pathogens and allergens in the airway which may then prolong exacerbations or results in new exacerbations." ] }
false
3,985
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What may the epithelial destruction cause?
{ "answer_start": [ 21116 ], "text": [ "may also promote further epithelial remodeling during its regeneration as viral infection induces the expression of remodeling genes such as MMPs and growth factors . Infections that cause massive destruction of the epithelium, such as IFV, usually result in severe ...
false
3,986
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What is recommended that patients with chronic airway inflammatory disease?
{ "answer_start": [ 21663 ], "text": [ " receive their annual influenza vaccination as the best means to prevent severe IFV induced exacerbation." ] }
false
3,987
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What is another mechanism that viral infections use to drive acute exacerbations?
{ "answer_start": [ 21850 ], "text": [ "the induction of vasodilation or tight junction opening factors which may increase the rate of infiltration. " ] }
false
3,988
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What does infection of respiratory viruses cause?
{ "answer_start": [ 22016 ], "text": [ "disruption of tight junctions with the resulting increased rate of viral infiltration. This also increases the chances of allergens coming into contact with airway immune cells." ] }
false
3,989
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What is an example of this?
{ "answer_start": [ 22206 ], "text": [ " IFV infection was found to induce oncostatin M (OSM) which causes tight junction opening (Pothoven et al., 2015; Tian et al., 2018) . Similarly, RV and RSV infections usually cause tight junction opening which may also increase the infiltration rate of eosinophils ...
false
3,990
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What are also associated with viral infections and pneumonia development, which may worsen inflammation in the lower airway?
{ "answer_start": [ 22630 ], "text": [ " the expression of vasodilating factors and fluid homeostatic factors such as angiopoietin-like 4 (ANGPTL4) and bactericidal/permeabilityincreasing fold-containing family member A1 (BPIFA1)" ] }
false
3,991
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What is another area of interest?
{ "answer_start": [ 23156 ], "text": [ "the relationship between asthma and COPD exacerbations and their association with the airway microbiome." ] }
false
3,992
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What is usually linked with the development of chronic airway inflammatory diseases?
{ "answer_start": [ 23338 ], "text": [ "specific bacterial species in the microbiome which may thrive in the inflamed airway environment " ] }
false
3,993
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What follows in the event of a viral infection such as RV infection?
{ "answer_start": [ 23513 ], "text": [ " the effect induced by the virus may destabilize the equilibrium of the microbiome present (Molyneaux et al., 2013; Kloepfer et al., 2014; Kloepfer et al., 2017; Jubinville et al., 2018; van Rijn et al., 2019) . In addition, viral infection may disrupt biofilm colon...
false
3,994
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What does the viral infection alter?
{ "answer_start": [ 23999 ], "text": [ "the nutrient profile in the airway through release of previously inaccessible nutrients that will alter bacterial growth" ] }
false
3,995
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What is the destabilization is further compounded by?
{ "answer_start": [ 24222 ], "text": [ " impaired bacterial immune response, either from direct viral influences, or use of corticosteroids to suppress the exacerbation symptoms" ] }
false
3,996
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What does all this gradually lead to?
{ "answer_start": [ 24491 ], "text": [ "more far reaching effect when normal flora is replaced with opportunistic pathogens, altering the inflammatory profiles " ] }
false
3,997
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
Why do these changes may result in more severe and frequent acute exacerbations ?
{ "answer_start": [ 24713 ], "text": [ "due to the interplay between virus and pathogenic bacteria in exacerbating chronic airway inflammatory diseases " ] }
false
3,998
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
How effective are microbiome based trial therapies?
{ "answer_start": [ 24954 ], "text": [ " have shown efficacy in the treatments of irritable bowel syndrome by restoring the intestinal microbiome (" ] }
false
3,999
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What can viral infections cause?
{ "answer_start": [ 25257 ], "text": [ "the disruption of mucociliary function, an important component of the epithelial barrier. " ] }
false
4,000
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
Which is the primary contact/infection site of most respiratory viruses?
{ "answer_start": [ 25490 ], "text": [ "The upper airway epithelium" ] }
false
4,001
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What does the destruction of epithelial barrier, mucociliary function and cell death of the epithelial cells do?
{ "answer_start": [ 25837 ], "text": [ "serves to increase contact between environmental triggers with the lower airway and resident immune cells." ] }
false
4,002
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What are viral infections are usually accompanied with?
{ "answer_start": [ 26111 ], "text": [ "oxidative stress which will further increase the local inflammation in the airway. " ] }
false
4,003
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What is the dysregulation of inflammation can be further compounded by?
{ "answer_start": [ 26257 ], "text": [ "modulation of miRNAs and epigenetic modification such as DNA methylation and histone modifications that promote dysregulation in inflammation" ] }
false
4,004
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What does the change in the local airway environment and inflammation promote?
{ "answer_start": [ 26478 ], "text": [ "growth of pathogenic bacteria that may replace the airway microbiome. " ] }
false
4,005
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What does the the inflammatory environment dispersal of upper airway commensals into the lower airway cause?
{ "answer_start": [ 26671 ], "text": [ "inflammation and alteration of the lower airway environment, resulting in prolong exacerbation episodes following viral infection. " ] }
false
4,006
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
Which are the most commonly studied viruses in chronic airway inflammatory diseases?
{ "answer_start": [ 26947 ], "text": [ "RV, RSV, and IFV" ] }
false
4,007
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What do the infections such as RSV are shown to do?
{ "answer_start": [ 28279 ], "text": [ " to directly destroy the cilia of the ciliated cells and almost all respiratory viruses infect the ciliated cells" ] }
false
4,008
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What does mucus overproduction do?
{ "answer_start": [ 28495 ], "text": [ " disrupt the equilibrium of the mucociliary function following viral infection, resulting in symptoms of acute exacerbation" ] }
false
4,009
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What does the disruption of the ciliary movement during viral infection may cause?
{ "answer_start": [ 29025 ], "text": [ "MicroRNAs (miRNAs)" ] }
false
4,010
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What are MicroRNAs(miRNA)?
{ "answer_start": [ 29048 ], "text": [ "short non-coding RNAs involved in post-transcriptional modulation of biological processes, and implicated in a number of diseases " ] }
false
4,011
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What are miRNAs found to be induced by?
{ "answer_start": [ 29232 ], "text": [ " viral infections and may play a role in the modulation of antiviral responses and inflammation " ] }
false
4,012
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What were linked to the exacerbation of the airway inflammation disease?
{ "answer_start": [ 29446 ], "text": [ "circulating miRNA changes" ] }
false
4,013
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
Where might such miRNA changes have originated from?
{ "answer_start": [ 29615 ], "text": [ "from the infected epithelium and responding immune cells, which may serve to further dysregulate airway inflammation leading to exacerbations." ] }
false
4,014
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What are both IFV and RSV infections shown to do?
{ "answer_start": [ 29800 ], "text": [ " to increase miR-21 and augmented inflammation in experimental murine asthma models, which is reversed with a combination treatment of anti-miR-21 and corticosteroids" ] }
false
4,015
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What are IFV infection shown to do?
{ "answer_start": [ 30018 ], "text": [ " increase miR-125a and b, and miR-132 in COPD epithelium which inhibits A20 and MAVS; and p300 and IRF3, respectively, resulting in increased susceptibility to viral infections " ] }
false
4,016
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What happens in in asthmatic epithelium in IFV infection?
{ "answer_start": [ 30247 ], "text": [ "miR-22 was shown to be suppressed in asthmatic epithelium in IFV infection which lead to aberrant epithelial response, contributing to exacerbations " ] }
false
4,017
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What do non-coding RNAs present as?
{ "answer_start": [ 30753 ], "text": [ "as targets to modulate viral induced airway changes as a means of managing exacerbation of chronic airway inflammatory diseases." ] }
false
4,018
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What mechanisms, other than miRNA modulation play a role?
{ "answer_start": [ 30917 ], "text": [ "epigenetic modification such as DNA methylation " ] }
false
4,019
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What have recent epigenetic studies indicated?
{ "answer_start": [ 31084 ], "text": [ "the association of epigenetic modification and chronic airway inflammatory diseases, and that the nasal methylome was shown to be a sensitive marker for airway inflammatory changes (Cardenas et al., 2019; Gomez, 2019) ." ] }
false
4,020
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What have these studies also shown?
{ "answer_start": [ 31344 ], "text": [ " viral infections such as RV and RSV alters DNA methylation and histone modifications in the airway epithelium which may alter inflammatory responses, driving chronic airway inflammatory diseases and exacerbations" ] }
false
4,021
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What has Spalluto et.al. have shown?
{ "answer_start": [ 31672 ], "text": [ "that antiviral factors such as IFNγ epigenetically modifies the viral resistance of epithelial cells." ] }
false
4,022
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What infections such as RV and RSV that weakly induce antiviral responses may result in?
{ "answer_start": [ 31886 ], "text": [ " an altered inflammatory state contributing to further viral persistence and exacerbation of chronic airway inflammatory diseases " ] }
false
4,023
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What can viral infection result in?
{ "answer_start": [ 32081 ], "text": [ " enhanced production of reactive oxygen species (ROS), oxidative stress and mitochondrial dysfunction in the airway epithelium " ] }
false
4,024
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What sustains the inflammation in the airway?
{ "answer_start": [ 32365 ], "text": [ "state of constant oxidative stress " ] }
false
4,025
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What may viral infections of the respiratory epithelium by viruses such as IFV, RV, RSV and HSV do?
{ "answer_start": [ 32578 ], "text": [ "may trigger the further production of ROS as an antiviral mechanism" ] }
false
4,026
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What can happen in response to the infection such as neutrophils?
{ "answer_start": [ 32697 ], "text": [ " infiltrating cells in response to the infection such as neutrophils will also trigger respiratory burst as a means of increasing the ROS in the infected region. The increased ROS and oxidative stress in the local environment may serve as a trigger to promote inflam...
false
4,027
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
In addition to worsening disease symptoms, what do viral-induced exacerbations do?
{ "answer_start": [ 33515 ], "text": [ " also may alter the management of the disease or confer resistance toward treatments that worked before. " ] }
false
4,028
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What may studies in natural exacerbations and in viral-challenge models using RNA-sequencing (RNA-seq) or single cell RNA-seq on a range of time-points provide?
{ "answer_start": [ 34001 ], "text": [ "important information regarding viral pathogenesis and changes induced within the airway of chronic airway inflammatory disease patients to identify novel targets and pathway for improved management of the disease." ] }
false
4,029
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What analysis functions may be useful?
{ "answer_start": [ 34256 ], "text": [ " epithelial cell models such as the air-liquid interface, in vitro airway epithelial model that has been adapted to studying viral infection and the changes it induced in the airway " ] }
false
4,030
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
For what purpose animal based models aare developed for?
{ "answer_start": [ 34551 ], "text": [ "to identify systemic mechanisms of acute exacerbation" ] }
false
4,031
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
What can be used unravel the immune profile of a viral infection in healthy and diseased condition?
{ "answer_start": [ 34685 ], "text": [ " the humanized mouse model that possess human immune cells " ] }
false
4,032
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
For what purpose controlled in vivo human infections can be performed for mild viruses?
{ "answer_start": [ 34966 ], "text": [ "the best mode of verification of the associations of the virus with the proposed mechanism of viral induced acute exacerbations " ] }
false
3,868
Respiratory Viral Infections in Exacerbation of Chronic Airway Inflammatory Diseases: Novel Mechanisms and Insights From the Upper Airway Epithelium https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7052386/ SHA: 45a566c71056ba4faab425b4f7e9edee6320e4a4 Authors: Tan, Kai Sen; Lim, Rachel Liyu; Liu, Jing; Ong, Hsiao Hui; ...
Why may the mechanisms of exacerbation vary considerably?
{ "answer_start": [ 3281 ], "text": [ " due to the complex interactions between the host and the exacerbation agents" ] }
false
546
Interferon-Induced Transmembrane Protein 3 Inhibits Hantaan Virus Infection, and Its Single Nucleotide Polymorphism rs12252 Influences the Severity of Hemorrhagic Fever with Renal Syndrome https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5206578/ SHA: 4328e18bdf9b52875c87f3f5ddb1911636a192d2 Authors: Xu-yang, Zheng; Pei...
What clinical condition is caused by Hantaan virus?
{ "answer_start": [ 605 ], "text": [ "hemorrhagic fever with renal syndrome" ] }
false
547
Interferon-Induced Transmembrane Protein 3 Inhibits Hantaan Virus Infection, and Its Single Nucleotide Polymorphism rs12252 Influences the Severity of Hemorrhagic Fever with Renal Syndrome https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5206578/ SHA: 4328e18bdf9b52875c87f3f5ddb1911636a192d2 Authors: Xu-yang, Zheng; Pei...
What is the structure of Hantaan virus?
{ "answer_start": [ 24937 ], "text": [ "enveloped, negative-sense RNA virus" ] }
false
548
Interferon-Induced Transmembrane Protein 3 Inhibits Hantaan Virus Infection, and Its Single Nucleotide Polymorphism rs12252 Influences the Severity of Hemorrhagic Fever with Renal Syndrome https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5206578/ SHA: 4328e18bdf9b52875c87f3f5ddb1911636a192d2 Authors: Xu-yang, Zheng; Pei...
What the animal vector reservoir for Hantaan virus?
{ "answer_start": [ 25187 ], "text": [ "rodents" ] }
false
549
Interferon-Induced Transmembrane Protein 3 Inhibits Hantaan Virus Infection, and Its Single Nucleotide Polymorphism rs12252 Influences the Severity of Hemorrhagic Fever with Renal Syndrome https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5206578/ SHA: 4328e18bdf9b52875c87f3f5ddb1911636a192d2 Authors: Xu-yang, Zheng; Pei...
What diagnostic test is correlated with the severity of HFRS?
{ "answer_start": [ 25635 ], "text": [ "plasma viral load" ] }
false
551
Interferon-Induced Transmembrane Protein 3 Inhibits Hantaan Virus Infection, and Its Single Nucleotide Polymorphism rs12252 Influences the Severity of Hemorrhagic Fever with Renal Syndrome https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5206578/ SHA: 4328e18bdf9b52875c87f3f5ddb1911636a192d2 Authors: Xu-yang, Zheng; Pei...
How is Interferon used in practice?
{ "answer_start": [ 25927 ], "text": [ "an antiviral medicine" ] }
false
552
Interferon-Induced Transmembrane Protein 3 Inhibits Hantaan Virus Infection, and Its Single Nucleotide Polymorphism rs12252 Influences the Severity of Hemorrhagic Fever with Renal Syndrome https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5206578/ SHA: 4328e18bdf9b52875c87f3f5ddb1911636a192d2 Authors: Xu-yang, Zheng; Pei...
What genotypes are associated with the severity of HFRS?
{ "answer_start": [ 26357 ], "text": [ "rs12252 C allele and CC genotype" ] }
false
554
Interferon-Induced Transmembrane Protein 3 Inhibits Hantaan Virus Infection, and Its Single Nucleotide Polymorphism rs12252 Influences the Severity of Hemorrhagic Fever with Renal Syndrome https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5206578/ SHA: 4328e18bdf9b52875c87f3f5ddb1911636a192d2 Authors: Xu-yang, Zheng; Pei...
Which IFITM proteins have been shown to possess antiviral activity?
{ "answer_start": [ 27495 ], "text": [ "IFITM1, 2, and 3" ] }
false
555
Interferon-Induced Transmembrane Protein 3 Inhibits Hantaan Virus Infection, and Its Single Nucleotide Polymorphism rs12252 Influences the Severity of Hemorrhagic Fever with Renal Syndrome https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5206578/ SHA: 4328e18bdf9b52875c87f3f5ddb1911636a192d2 Authors: Xu-yang, Zheng; Pei...
What is the hypothesized mechanism by which IFITMs work?
{ "answer_start": [ 28051 ], "text": [ "restrict viral infection at the stage of cellular entry" ] }
false
556
Interferon-Induced Transmembrane Protein 3 Inhibits Hantaan Virus Infection, and Its Single Nucleotide Polymorphism rs12252 Influences the Severity of Hemorrhagic Fever with Renal Syndrome https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5206578/ SHA: 4328e18bdf9b52875c87f3f5ddb1911636a192d2 Authors: Xu-yang, Zheng; Pei...
What genotype causes truncation of the IFITM3 protein?
{ "answer_start": [ 34574 ], "text": [ "rs12252 C allele" ] }
false
806
Estimating the number of infections and the impact of non- pharmaceutical interventions on COVID-19 in 11 European countries 30 March 2020 Imperial College COVID-19 Response Team Seth Flaxmani Swapnil Mishra*, Axel Gandy*, H JulietteT Unwin, Helen Coupland, Thomas A Mellan, Harrison Zhu, Tresnia Berah, Jeffrey W Eato...
What can cause a slowing growth in daily reported deaths?
{ "answer_start": [ 3126 ], "text": [ "significant impact\nof interventions implemented several weeks earlier." ] }
false
807
Estimating the number of infections and the impact of non- pharmaceutical interventions on COVID-19 in 11 European countries 30 March 2020 Imperial College COVID-19 Response Team Seth Flaxmani Swapnil Mishra*, Axel Gandy*, H JulietteT Unwin, Helen Coupland, Thomas A Mellan, Harrison Zhu, Tresnia Berah, Jeffrey W Eato...
When did Italy go into Iockdown?
{ "answer_start": [ 3314 ], "text": [ "11th March" ] }
false
808
Estimating the number of infections and the impact of non- pharmaceutical interventions on COVID-19 in 11 European countries 30 March 2020 Imperial College COVID-19 Response Team Seth Flaxmani Swapnil Mishra*, Axel Gandy*, H JulietteT Unwin, Helen Coupland, Thomas A Mellan, Harrison Zhu, Tresnia Berah, Jeffrey W Eato...
Approximately how many deaths have been averted in Western Europe with current non-pharmaceutical interventions remaining in place until the end of March?
{ "answer_start": [ 3819 ], "text": [ "59,000 deaths" ] }
false
796
Estimating the number of infections and the impact of non- pharmaceutical interventions on COVID-19 in 11 European countries 30 March 2020 Imperial College COVID-19 Response Team Seth Flaxmani Swapnil Mishra*, Axel Gandy*, H JulietteT Unwin, Helen Coupland, Thomas A Mellan, Harrison Zhu, Tresnia Berah, Jeffrey W Eato...
What are some non-pharmaceutical interventions?
{ "answer_start": [ 1878 ], "text": [ "case isolation, the closure of schools and\nuniversities, banning of mass gatherings and/or public events, and most recently, widescale social\ndistancing including local and national Iockdowns" ] }
false
797
Estimating the number of infections and the impact of non- pharmaceutical interventions on COVID-19 in 11 European countries 30 March 2020 Imperial College COVID-19 Response Team Seth Flaxmani Swapnil Mishra*, Axel Gandy*, H JulietteT Unwin, Helen Coupland, Thomas A Mellan, Harrison Zhu, Tresnia Berah, Jeffrey W Eato...
Type of model used to infer the impact non-pharmaceutical interventions?
{ "answer_start": [ 2097 ], "text": [ "semi-mechanistic Bayesian hierarchical model" ] }
false
801
Estimating the number of infections and the impact of non- pharmaceutical interventions on COVID-19 in 11 European countries 30 March 2020 Imperial College COVID-19 Response Team Seth Flaxmani Swapnil Mishra*, Axel Gandy*, H JulietteT Unwin, Helen Coupland, Thomas A Mellan, Harrison Zhu, Tresnia Berah, Jeffrey W Eato...
How can a semi-mechanistic Bayesian hierarchical model estimate changes to the reproductive number?
{ "answer_start": [ 2468 ], "text": [ "calculating backwards from the deaths observed over time to estimate transmission that\noccurred several weeks prior, allowing for the time lag between infection and death." ] }
false
803
Estimating the number of infections and the impact of non- pharmaceutical interventions on COVID-19 in 11 European countries 30 March 2020 Imperial College COVID-19 Response Team Seth Flaxmani Swapnil Mishra*, Axel Gandy*, H JulietteT Unwin, Helen Coupland, Thomas A Mellan, Harrison Zhu, Tresnia Berah, Jeffrey W Eato...
What is a key assumption of a semi-mechanistic Bayesian hierarchical model used for coronavirus?
{ "answer_start": [ 2689 ], "text": [ "each intervention has the same effect on the\nreproduction number across countries and over time" ] }
false
810
Estimating the number of infections and the impact of non- pharmaceutical interventions on COVID-19 in 11 European countries 30 March 2020 Imperial College COVID-19 Response Team Seth Flaxmani Swapnil Mishra*, Axel Gandy*, H JulietteT Unwin, Helen Coupland, Thomas A Mellan, Harrison Zhu, Tresnia Berah, Jeffrey W Eato...
What is the time lag between when transmission changes occur and when their impact can be observed in trends in mortality?
{ "answer_start": [ 4427 ], "text": [ "2-3 weeks" ] }
false
814
Estimating the number of infections and the impact of non- pharmaceutical interventions on COVID-19 in 11 European countries 30 March 2020 Imperial College COVID-19 Response Team Seth Flaxmani Swapnil Mishra*, Axel Gandy*, H JulietteT Unwin, Helen Coupland, Thomas A Mellan, Harrison Zhu, Tresnia Berah, Jeffrey W Eato...
What is the key aim of non-pharmaceutical interventions?
{ "answer_start": [ 6703 ], "text": [ "reduce the effective reproduction number" ] }
false
815
Estimating the number of infections and the impact of non- pharmaceutical interventions on COVID-19 in 11 European countries 30 March 2020 Imperial College COVID-19 Response Team Seth Flaxmani Swapnil Mishra*, Axel Gandy*, H JulietteT Unwin, Helen Coupland, Thomas A Mellan, Harrison Zhu, Tresnia Berah, Jeffrey W Eato...
What happens if the reproduction number is greater then 1?
{ "answer_start": [ 7073 ], "text": [ "infections will increase (dependent on how much greater than 1 the reproduction number is)" ] }
false
820
Estimating the number of infections and the impact of non- pharmaceutical interventions on COVID-19 in 11 European countries 30 March 2020 Imperial College COVID-19 Response Team Seth Flaxmani Swapnil Mishra*, Axel Gandy*, H JulietteT Unwin, Helen Coupland, Thomas A Mellan, Harrison Zhu, Tresnia Berah, Jeffrey W Eato...
When did China introduce strict movement restrictions and other measures including case isolation and quarantine?
{ "answer_start": [ 7377 ], "text": [ "23rd January" ] }
false
823
Estimating the number of infections and the impact of non- pharmaceutical interventions on COVID-19 in 11 European countries 30 March 2020 Imperial College COVID-19 Response Team Seth Flaxmani Swapnil Mishra*, Axel Gandy*, H JulietteT Unwin, Helen Coupland, Thomas A Mellan, Harrison Zhu, Tresnia Berah, Jeffrey W Eato...
What was the result of China's interventions introduced in January?
{ "answer_start": [ 7408 ], "text": [ "downward trend in the number of\nconfirmed new cases during February" ] }
false
811
Estimating the number of infections and the impact of non- pharmaceutical interventions on COVID-19 in 11 European countries 30 March 2020 Imperial College COVID-19 Response Team Seth Flaxmani Swapnil Mishra*, Axel Gandy*, H JulietteT Unwin, Helen Coupland, Thomas A Mellan, Harrison Zhu, Tresnia Berah, Jeffrey W Eato...
What are examples of social distancing?
{ "answer_start": [ 6147 ], "text": [ "banning large gatherings and advising individuals not to socialize outside\ntheir households" ] }
false
827
Estimating the number of infections and the impact of non- pharmaceutical interventions on COVID-19 in 11 European countries 30 March 2020 Imperial College COVID-19 Response Team Seth Flaxmani Swapnil Mishra*, Axel Gandy*, H JulietteT Unwin, Helen Coupland, Thomas A Mellan, Harrison Zhu, Tresnia Berah, Jeffrey W Eato...
What was the estimated effect on China's reproduction number in March based on the intervention introduced in January?
{ "answer_start": [ 7632 ], "text": [ "from\naround 2-4 during the uncontrolled epidemic down to below 1" ] }
false
829
Estimating the number of infections and the impact of non- pharmaceutical interventions on COVID-19 in 11 European countries 30 March 2020 Imperial College COVID-19 Response Team Seth Flaxmani Swapnil Mishra*, Axel Gandy*, H JulietteT Unwin, Helen Coupland, Thomas A Mellan, Harrison Zhu, Tresnia Berah, Jeffrey W Eato...
Why is it challenging to estimate the reproduction number?
{ "answer_start": [ 8467 ], "text": [ "high proportion of\ninfections not detected by health systems”7 and regular changes in testing policies," ] }
false