An Mr 21 000 polypeptide, designated APPG, has been purified by reverse-phase, high-performance liquid chromatography (RP-HPLC), from acid extracts of porcine anterior pituitary glands. This acidic protein possesses an isoelectric point of 4.9. Amino acid analysis shows that it is not a glycoprotein
Computer comparisons of amino acid sequences from 8 retroviral oncogenes and 26 protein hormones were done with respect to structure similarity and so-called uninterrupted structure similarity. Sequence homology was found between v-myc, the transforming protein of MC29 virus, and human gastrin and
This study describes functional characteristics of receptors for vasoactive intestinal peptide (VIP) on human Ewing's sarcoma WE-68 cells. These characteristics include 125I-VIP binding capacity, cellular cAMP generation, glycogen hydrolysis, and pharmacological specificity. Binding studies with
Oval cells appear and expand in the liver when hepatocyte proliferation is compromised. Many different markers have been attributed to these cells, but their nature still remains obscure. This study is a detailed gene expression analysis aimed at revealing their identity and repopulating in vivo
Cholecystokinin (CCK) is a peptide hormone discovered in the small intestine. Together with secretin and gastrin, CCK constitutes the classical gut hormone triad. In addition to gallbladder contraction, CCK also regulates pancreatic enzyme secretion and growth, intestinal motility, satiety
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