نتایج جستجو برای: polypeptide
تعداد نتایج: 27659 فیلتر نتایج به سال:
Self-assembly has emerged as a promising technique for fabrication of novel hybrid materials and nanostructures. The work presented in this thesis has been focused on developing nanoscale materials based on synthetic de novo designed polypeptides. The polypeptides have been utilized for the assembly of gold nanoparticles, fibrous nanostructures, and for sensing applications. The 42-residue poly...
Activation of the G-protein-coupled receptor for glucose-dependent insulinotropic polypeptide facilitates insulin-release from pancreatic beta-cells. In the present study, we examined whether glucose-dependent insulinotropic polypeptide also acts as a growth factor for the beta-cell line INS-1. Here, we show that glucose-dependent insulinotropic polypeptide induced cellular proliferation synerg...
The advent of ultramicroscale purification and analysis technology, along with gene manipulation techniques, has greatly accelerated progress in molecular cell biology. (We used to call this "Biochemistry.") Nowhere is the rate of progress more impressively evident than in the field of hormone receptor study, where the enthusiastic research of numerous investigators is rapidly clarifying struct...
As long ago as 1930, Kosaka and Lim proposed a humoral agent capable of inhibiting gastric acid secretion after a meal. They coined the term enterogastrone. Using crude preparations of cholecystokinin-pancreozymin (CCK PZ) in dogs they were able to inhibit the acid secretion normally stimulated by a meat meal or histamine. They went on to experiment with duodenal extracts, prepared after the in...
Peptide antibiotics possess a variety of chemical structures, e.g. cyclic diand oligopeptides. depsipeptides, linear peptides with repeating sequences of Land D-amino acids, substituted peptides containing non-peptide components. These antibiotics frequently contain amino acids which are not constituents of proteins. In general, biosynthesis of peptide antibiotics follows active growth and macr...
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