Immunohistochemistry (PFA fixed): incubate antibody for 30 min RT. Staining of formalin-fixed tissues requires heating tissue sections in 10mM Tris with 1mM EDTA, pH 9.0, for 45 min at 95 degrees C followed by cooling at RT for 20 minutes.
Insulin is a peptide hormone secreted by beta cells of the pancreatic islets. It regulates carbohydrate, protein and lipid metabolism by enhancing membrane transport of glucose, amino acids, and certain ions. It also promotes glycogen storage, formation of triglycerides and synthesis of proteins and nucleic acids. Insulin is 51-amino acid polypeptide product produced from a precursor peptide, proinsulin. Proinsulin is post-translationally cleaved into two chains (peptide A and peptide B) that are covalently linked via two disulfide bonds and one molecule of C-peptide. Insulin deficiency results in diabetes mellitus, one of the leading causes of morbidity and mortality in the general population. Insulin is also present in tumors of b-cell origin such as insulinoma.
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Protein Aliases: Insulin; Insulin A chain; Insulin B chain; Insulin-1; Insulin-1 A chain; Insulin-1 B chain; Insulin-2; Insulin-2 A chain; Insulin-2 B chain; preproinsulin; proinsulin
Gene Aliases: AA986540; IDDM; IDDM1; IDDM2; ILPR; INS; Ins-1; Ins-2; Ins1; Ins2; Ins2-rs1; InsII; IRDN; Mody; MODY10; Mody4; proinsulin
Molecular Function: growth factor