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PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Once cells reached confluence, perpendicular scratches were carefully made across the marked lines.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Subsequently, PBS was employed to remove any cellular debris, and the cells were cultured in McCoy’s 5 A medium with low serum at 37 ℃ and 5% CO2.The widths of the scratches were observed and documented at 0-, 24-, and 48- hours post-scratching using an inverted biological microscope (CX53, Olympus, Japan).
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Three fields of view were captured at each time point, ensuring a comprehensive assessment of the wound healing process.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
This meticulous procedure provides valuable insights into cell migration dynamics over the specified time intervals.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
For apoptosis assays, the Annexin V-FITC Apoptosis Detection Kit (BD, San Jose, CA, USA) was employed.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Following the manufacturer’s protocol, THP-1 cells were harvested, resuspended in 100 µL of binding buffer, and incubated with 5 µL of annexin V-FITC and 10 µL of propidium iodide (PI) for 15 min in the dark at room temperature.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Subsequently, 400 µL of binding buffer was added, and the stained cells were assessed by flow cytometry after 1 h. This meticulous procedure ensures accurate detection and quantification of apoptotic cells, contributing to a comprehensive analysis of cellular responses.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
HEK293T cells at 30% confluence were carefully seeded into 24-well plates.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
In each well, a combination of the reporter plasmid (100 ng, containing 34 signaling pathways), pRL-CMV (5 ng), and the specified gene-expressing plasmids (Flag-USP5, 500 ng) or an empty vector was transiently transfected into the HEK293T cells.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
This transfection process aimed to introduce the relevant genetic elements into the cells.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Following a 48-hour incubation period, luciferase reporter assays were conducted using a dual luciferase assay kit (E1960, Promega, Beijing).
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
This assay provides a sensitive and quantitative measure of gene expression and signaling pathway activities.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
The experimental design and execution were meticulous to ensure accurate and reliable results.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Cell lysis was carried out using SDS lysis buffer (62.5 mM Tris-HCl, pH 6.8, 2% SDS, and 10% glycerol) at 95 °C for 10 min.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
The total protein was subsequently separated through 10% SDS-PAGE and transferred onto PVDF membranes (IPVH00010; Millipore, Billerica, MA, USA).
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Following transfer, the membranes were blocked with 5% skim milk for 1 h to prevent nonspecific binding.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Primary antibodies were then applied to the membranes and allowed to incubate overnight at 4 °C, facilitating specific binding to target proteins.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Subsequently, the membranes were thoroughly washed in TBST before being incubated with HRP-labelled secondary antibodies at room temperature for 1 h, enabling the detection of primary antibody-bound proteins.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Chemiluminescence of the protein bands was evaluated using the Tanon 5500 chemiluminescence image analysis system (Tanon, Shanghai, China).
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
GAPDH was utilized as the internal control, ensuring normalization of protein expression levels.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
This method ensures a robust and precise analysis of protein content and expression in the experimental samples.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
To assess the anti-tumor efficacy of circRNA on GISTs cells, we employed a subcutaneous xenograft model in nude mice.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
GIST-T1 and GIST-882 cells, labeled with fluorescence, were subcutaneously injected, with each experimental group comprising a minimum of 5 mice.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
The determination of animal numbers per group was meticulously performed through power analysis to ensure statistical robustness.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Randomization of animals into experimental groups was carried out for each study, minimizing potential bias.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
It’s important to note that no blinding of experiment groups was applied in this study.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Tumor volume was diligently monitored on a weekly basis using the formula V = 1/2×Width×Length.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
The growth curve, derived from length and time, provided a dynamic representation of tumor development.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Following a 5-week period, fluorescence imaging was conducted to visualize the subcutaneous xenografts in mice.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Subsequently, the mice were euthanized by cervical dislocation in accordance with ARRIVE guidelines to ensure humane and ethical treatment.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
And the subcutaneous xenografts were excised and measured for size and weight.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Histological changes, Ki-67 staining, and TUNEL assay were performed on the subcutaneous tumor tissues to comprehensively examine the impact of circRNA on GISTs cells.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
This multifaceted analysis aimed to provide a thorough understanding of the therapeutic effects at both macroscopic and microscopic levels.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
The data are expressed as the mean ± standard deviation unless otherwise specified.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Statistical analyses were performed using SPSS 17.0 software (SPSS Inc., Chicago, IL, USA), for more information, please visit [SPSS official website] (https://www.ibm.com/products/spss-statistics).
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
And GraphPad Prism 7 (GraphPad Software, Inc., La Jolla, CA, USA).
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Unpaired two-tailed Student’s t-test was applied to assess differences in cell viability, cell migration, invasion ability, cell apoptosis level, xenograft tumor volume, and xenograft tumor weight among various groups.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
The paired two-tailed Student’s t-test was employed to compare the expression of circ_SMA4 between GISTs tissues and their paired adjacent tissues.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Spearman’s rho was utilized to evaluate the correlation between different variables.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
The chi-square test was conducted to analyze the association between circ_SMA4 expression and the clinicopathological features of the patients.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Kaplan-Meier curves and log-rank tests were utilized to compare the survival of patients with high and low circ_SMA4 expression.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
A significance level of P < 0.05 was considered statistically significant.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Differential expression profiles of circRNAs in GISTs were successfully established.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
The cluster heat map in Supplemental Fig. 1A illustrates the top eight upregulated circRNAs (Supplemental Table SII, fold change > 4, P < 0.05) and the top eight downregulated circRNAs (Supplemental Table SIII, fold change > 3, P < 0.05).
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Validation through RT-qPCR in 20 GISTs and adjacent tissue pairs confirmed significant upregulation of circ_SMA4 (circRNA_103870) in GISTs tissues (FC = 4.06) compared to adjacent tissues (P < 0.05; Supplemental Fig. 1B).
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
To explore the correlation of circ_SMA4 expression with clinical-pathologic features, the 20 GISTs tissue were divided into higher and lower circRNA expression groups based on the median circ_SMA4 expression.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
The statistical analysis revealed no significant correlation between circ_SMA4 and the following clinicopathological features: age, gender, tumor size (cm), mitotic figure (HPF), or malignant degrees and type, as well as gene mutation status (P > 0.05).
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Chi-square analysis revealed a positive association between circ_SMA4 expression and mitotic figures, malignant degrees (P < 0.05; Supplemental Fig. 1C), while no significant relation was observed with tumor size (P > 0.05; Supplemental Fig. 1C).
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Furthermore, the Receiver Operating Characteristic (ROC) curve analysis highlighted the high diagnostic efficiency of circ_SMA4, with an Area Under the Curve (AUC) of 0.9824 (P < 0.01; Figure Supplemental Fig. 1D).
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Upon querying the circBase database, has_circRNA_103870 (circBase ID: hsa_circ_0072805) was identified to be located on chromosome 5:69206201–69,206,389.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
It represents one of the most prevalent circRNAs derived from exons and is associated with the gene symbol SMA4; therefore, has_circRNA_103870 is also referred to as circ_SMA4.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
In our study, GISTs cell lines GIST-T1 and GIST-882 were chosen as parental cells, and Human Stomach smooth muscle cells (HGSMC) served as a control.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
The results of the RT-qPCR assay revealed a significant upregulation of circ_SMA4 in GIST-T1 and GIST-882 cells compared to HGSMC cells (P < 0.05; Supplemental Fig. 2A).
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Also, a slightly lower expression of circ_SMA4 was observed in GIST-T1 cells compared to GIST-882 cells, although this difference was not statistically significant (P > 0.05; Supplemental Fig. 2B).
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Additionally, we constructed overexpression and knockdown lentiviral vectors, as well as negative control (NC) vectors for circ_SMA4.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Subsequently, these vectors were stably transfected into GIST-T1 and GIST-882 cells respectively, successfully establishing circ_SMA4 overexpression and knockdown cellular models (P < 0.05; Fig. 1A).
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Furthermore, CCK-8 assay, Annexin V-FITC/PI assay, Transwell chamber assay, Cell scratch assay assays were performed to explore the impact of circ_SMA4 on cell proliferation and apoptosis in GISTs.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
The CCK-8 assay revealed that circ_SMA4 overexpression significantly promoted GISTs cell proliferation, while circ_SMA4 knockdown dramatically inhibited GISTs cell proliferation (P < 0.05; Fig. 1B).
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
The Annexin V-FITC/PI assay demonstrated that circ_SMA4 overexpression significantly suppressed GISTs cell apoptosis, whereas circ_SMA4 knockdown significantly promoted GISTs cell apoptosis (P < 0.05; Fig. 1C).
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Subsequent assays, including Transwell chamber and cell scratch assays, suggested that circ_SMA4 overexpression markedly promoted GISTs cell invasion and migration, while circ_SMA4 knockdown dramatically inhibited GISTs cell invasion and migration (P < 0.05; Fig. 2A-B).
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Collectively, these findings indicate that circ_SMA4 promotes GISTs proliferation, invasion, and migration while inhibiting apoptosis, thereby playing an oncogenic role in GISTs.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Fig. 1circ_SMA4 Promotes GISTs Cell Proliferation and Inhibits Cell Apoptosis In Vitro. (
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Successful establishment of circ_SMA4 overexpression and knockdown cellular models.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
The transfection efficiency of each group was confirmed through RT-qPCR. (
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Cell counting kit-8 (CCK8) assay and (C) Annexin V-FITC/PI assay was performed to analyze the effect of circ_SMA4 on GISTs cell proliferation and apoptosis.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
n = 3. *
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
P < 0.05, **P < 0.01.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
RT-qPCR, reverse transcription- quantitative PCR.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
OE: OverExpression.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
shRNA: short hairpin RNA.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
NC: negative control.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
OD, Optical Density.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
circ_SMA4: circ_103870.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
circ_SMA4 Promotes GISTs Cell Proliferation and Inhibits Cell Apoptosis In Vitro. (
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Successful establishment of circ_SMA4 overexpression and knockdown cellular models.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
The transfection efficiency of each group was confirmed through RT-qPCR. (
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Cell counting kit-8 (CCK8) assay and (C) Annexin V-FITC/PI assay was performed to analyze the effect of circ_SMA4 on GISTs cell proliferation and apoptosis.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
n = 3. *
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
P < 0.05, **P < 0.01.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
RT-qPCR, reverse transcription- quantitative PCR.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
OE: OverExpression.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
shRNA: short hairpin RNA.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
NC: negative control.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
OD, Optical Density.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
circ_SMA4: circ_103870.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Fig. 2circ_SMA4 Promotes GISTs cell Invasion and Migration In Vitro. (
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Transwell chamber assay (D) Cell scratch assay was performed to analyze cell invasion and migration ability.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
n = 3. *
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
P < 0.05, **P < 0.01.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
RT-qPCR, reverse transcription- quantitative PCR.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
OE: OverExpression.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
shRNA: short hairpin RNA.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
NC: negative control.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
OD, Optical Density.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
circ_SMA4: circ_103870.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
circ_SMA4 Promotes GISTs cell Invasion and Migration In Vitro. (
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
Transwell chamber assay (D) Cell scratch assay was performed to analyze cell invasion and migration ability.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
n = 3. *
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
P < 0.05, **P < 0.01.
PMC11422497
circ_SMA4 promotes gastrointestinal stromal tumors malignant progression by sponging miR-494-3p/KIT axis and activating JAK/STAT pathway
RT-qPCR, reverse transcription- quantitative PCR.