نتایج جستجو برای: alpha glucosidase
تعداد نتایج: 207190 فیلتر نتایج به سال:
In screening experiments for rat intestinal alpha-glucosidase (sucrase and maltase) inhibitors in 325 plants cultivated in Japan's southern island, of Tanegashima, marked inhibition against both sucrase and maltase was found in the extract of the fruit of Solanum torvum. Enzyme-assay guided fractionation of the extract led to the isolation of methyl caffeate (1) as a rat intestinal sucrase and ...
Expression of the PrfA-controlled virulence gene hly (encoding the pore-forming cytolysin listeriolysin) is under negative regulation by readily metabolized carbon sources in Listeria monocytogenes. However, the hyperhemolytic strain NCTC 7973 exhibits deregulated hly expression in the presence of repressing sugars, raising the possibility that a defect in carbon source regulation is responsibl...
Acidic hot springs are colonized by a diversity of hyperthermophilic organisms requiring extremes of temperature and pH for growth. To clarify how carbohydrates are consumed in such locations, the structural gene (malA) encoding the major soluble alpha-glucosidase (maltase) and flanking sequences from Sulfolobus solfataricus were cloned and characterized. This is the first report of an alpha-gl...
Glycogen-storage disease type II (GSDII) is caused by the deficiency of lysosomal alpha-glucosidase (acid maltase). This paper reports on the analysis of the mutant alleles in an American black patient with an adult form of GSDII (GM1935). The lysosomal alpha-glucosidase precursor of this patient has abnormal molecular features: (i) the molecular mass is decreased, (ii) the phosphorylation is d...
The development and recent approval of recombinant acid alpha-glucosidase for enzyme replacement therapy have been major milestones in Pompe disease research. Acid alpha-glucosidase is the enzyme responsible for degradation of glycogen polymers to glucose in the acidic milieu of the lysosomes. Cardiac and skeletal muscles are the two major tissues affected by the accumulation of glycogen within...
Abstract Purpose The therapeutic use of oral hypoglycaemic agents in the management type-2 diabetes mellitus (T2DM) is without adverse effects; thus, calls for alternative and novel candidates from natural products medicinal plants. Method study explored molecular docking dynamics (MD) simulation approaches to identify key antidiabetic metabolites Crescentia cujete . Results Molecular results i...
The potential of Lactobacillus rhamnosus R for producing exopolysaccharide (EPS) when grown on basal minimum medium supplemented with glucose or lactose was investigated. EPS production by L. rhamnosus R is partially growth associated and about 500 mg of EPS per liter was synthesized with both sugars. The product yield coefficient (Y(EPS/S)) was 3.15 (0.0315 g of EPS [g of lactose](-1)) and 2.8...
BACKGROUND Lysosomal storage diseases (LSD) are inherited disorders caused by deficiency of lysosomal enzymes in which early diagnosis is essential to provide timely treatment. This study reports interval values for the activity of lysosomal enzymes that are deficient in Mucopolysaccharidosis type I, Fabry, Gaucher and Pompe disease, using dried blood spots on filter paper (DBS) samples in a Br...
BACKGROUND Over-expressed native or recombinant proteins are commonly used for industrial and pharmaceutical purposes, as well as for research. Proteins of interest need to be purified in sufficient quantity, quality and specific activity to justify their commercial price and eventual medical use. Proteome quality was previously positively correlated with ribosomal fidelity, but not on a single...
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