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10,000,000 | [Phospholipid characteristics of the HDLP2 and HDLP3 composition in dysalphalipoproteinemia]. | [
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10,000,001 | There has been determined the phospholipid composition in HDLP2 and HDLP3 obtained from the blood plasma of males with different cholesterol (CS) level of HDLP. An increase in CS of HDLP is shown to be associated with the increase in a percentage of phosphatidylcholine, a proportion of phosphatidylcholine/sphingomyelin and a reduction of the percentage of sphingomyelin (mainly in HDLP2) and to a lesser extent--in HDLP3. A direct correlation has been established between the level of CS of HDLP obtained from the blood plasma of males living in 3 different geographical zones of the USSR and the indices of the phospholipid composition of HDLP2. Changes found in the phospholipid composition of HDLP3 in dysalphalipoproteidemia are associated with a difference in the triglyceride level of the blood plasma. | [
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10,000,002 | Preparation and properties of chromium(III) adenosine 5'-triphosphate, chromium(III) adenosine 5'-diphosphate, and related chromium(III) complexes. | [
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10,000,003 | Effect of sodium copper chlorophyllin on the formation of calcium oxalate crystals in rat kidney. | [
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10,000,004 | We induced the deposition of calcium oxalate crystals in rat kidney by intraperitoneal administration of 4-hydroxy-L-proline or sodium oxalate and studied the amounts and size distribution characteristics of the deposited crystals. Intravenous administration of sodium copper chlorophyllin inhibited the deposition and growth of calcium oxalate crystals induced by 4-hydroxy-L-proline or sodium oxalate. This finding may be of importance in calcium oxalate urolithiasis. | [
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10,000,005 | Structure of an amniotic fluid component, 7-(4,5-cis-dihydroxy-1-cyclopenten-3-ylaminomethyl)-7-deazaguanine (queuine), a substrate for tRNA: guanine transglycosylase. | [
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10,000,006 | A compound present in bovine amniotic fluid, and which is a substrate for tRNA:guanine transglycosylase, has been structurally characterized as queuine, a hypermodified base which occurs in transfer RNA. The structure assignment is based on mass spectrometry, proton nuclear magnetic resonance, and ultraviolet absorbance data. | [
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10,000,007 | Folic acid binding protein in subjects with low serum folate. | [
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10,000,008 | The staphylococcal phosphoenolpyruvate-dependent phosphotransferase system. Purification and characterisation of the galactoside-specific membrane-component enzyme II. | [
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10,000,009 | The galactoside-specific membrane-bound component of the staphylococcal phosphoenolpyruvate-dependent phosphotransferase system, enzyme IIlac, was purified to homogeneity. The purification procedure involved several extractions steps at the particulate state, followed by solubilisation with Triton X-100. Up to this stage the biological activity of enzyme II was preserved. Isolation of the homogeneous protein involved gel filtration of the dodecylsulfate-denatured material. An apparent molecular weight of the polypeptide chain was estimated by dodecylsulfate gel electrophoresis. The 55000-Mr protein is visible in dodecylsulfate gels upon induction of the staphylococcal lac operon as a more intensively stained area. Antibodies against the denatured 55000-Mr protein inhibit the mutant complementation assay of enzyme II offered as membrane fragments. This demonstrates that the 55000-Mr protein and enzyme IIlac are identical. Polarity and the solubility of the protein in detergents are typical for an integral membrane protein. | [
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10,000,010 | Evidence that the low-affinity folate-binding protein in erythrocyte hemolysate is identical to hemoglobin. | [
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10,000,011 | Gel filtration studies on erythrocyte hemolysate demonstrated the presence of a folate binding protein, apparently of the low-affinity type, that co-elutes with hemoglobin. Further, the folate binder eluted with a low salt concentration after DEAE-Sepharose CL-6B anion-exchange chromatography of erythrocyte hemolysate at pH 6.3. The chromatographic behavior of hemoglobin labeled with [3H]folate was so similar to that of the present binder as to suggest that the folate binder in erythrocytes is in fact hemoglobin. | [
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10,000,012 | Discrete Distribution of binding sites for Dolichos biflorus agglutinin (DBA) and for peanut agglutinin (PNA) in mouse organ tissues. | [
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10,000,013 | The distribution of binding sites for two lectins with different specificities was studied in adult mice by staining paraffin sections with lectins labeled either with fluorescein isothiocyanate or horseradish peroxidase. Binding sites for Dolichos biflorus agglutinin, a lectin specific to terminal alpha-N-acetylgalactosamine residue, were detected only in several restricted regions, such as collecting tubules and Bowman's capsules of the kidney, bile ducts, pancreatic ducts, sperms, oocytes, some secreting cells, and the secreted mucin itself. Binding sites for peanut agglutinin (PNA), a lectin specific to terminal beta-galactosyl residue, were distributed more widely. However, differentiation-dependent alterations in the expression of PNA binding sites have been observed in two types of cell lineage. During the course of spermatogenesis, the binding sites were expressed at the stage of spermatocytes. In the epithelium of esophagus, the binding sites were present in cells of the superficial layer. | [
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10,000,014 | Baumycin analogs isolated from Actinomadura sp. | [
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10,000,015 | Stimulation of the release of two glycoproteins from mouse 3T3 cells by growth factors and by agents that increase intralysosomal pH. | [
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10,000,016 | LY79771: a novel compound for weight control. | [
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10,000,017 | [Proximal gastric vagotomy - operative technic]. | [
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10,000,018 | The insertion of pig microvillus aminopeptidase into the membrane as probed by [125I]iodonaphthylazide. | [
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10,000,019 | The insertion of pig intestinal microvillus aminopeptidase (EC 3.4.11.2) into the membrane was studied by the hydrophobic photolabel [125I]iodonaphthylazide. The aminopeptidase was either labelled in the microvillus membrane and purified, or labelled after detergent solubilization and purification in a buffer containing Triton X-100, and then isolated from the reaction mixture. Of the three subunits A (Mr 162000), B (Mr 123000) and C (Mr 62000) of the aminopeptidase, A and B, but not C contained radioactivity, indicating that both subunit A and B carry anchoring peptide. The radioactivity when released from the subunits by trypsin treatment was connected to low-molecular-weight material. | [
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10,000,020 | [Surgical treatment of arterial insufficiency of the upper limbs]. | [
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10,000,021 | Cytogenetic effects of Rhodesian chrysotile on human lymphocytes in vitro. | [
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10,000,022 | Cytogenetic studies were carried out on human lymphocytes from nine subjects; cells were incubated with Rhodesian chrysotile fibres (10 micrograms/ml) for 48 and 72 hours. After treatment, chromosome alterations were twice as frequent, and chromosome breaks showed the highest percentage increment. We focussed our attention on chromosome breaks, since they are typically induced by ionizing radiation and by chemical carcinogens, and in particular alkylating agents. Since asbestos strongly adsorbs proteins and since indications exist that the interaction may be selective, we consider that this type of interaction may be the cause of cytogenetic damage induced in vitro by asbestos. | [
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