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Exenatide binds to the intact human Glucagon-like peptide-1 receptor (GLP-1R) in a similar way to the human peptide glucagon-like peptide-1 (GLP-1); exenatide bears a 50% amino acid homology to GLP-1 and it has a longer half-life in vivo. [22] Exenatide is believed to facilitate glucose control in at least five ways:
[25] [26] [27] Insulin from these sources is effective in humans as it is highly similar to human insulin (three amino acid difference in bovine insulin, one amino acid difference in porcine). [27] Initially, lower preparation purity resulted in allergic reactions to the presence of non-insulin substances.
Insulin degludec is a modified insulin that has one single amino acid deleted in comparison to human insulin, and is conjugated to hexadecanedioic acid via gamma-L-glutamyl spacer at the amino acid lysine at position B29. It is included on the World Health Organization's List of Essential Medicines [11] as an equivalent to insulin glargine.
Micrograph of fatty liver, as may be seen due to long-term prednisone use. Trichrome stain.. Short-term side effects, as with all glucocorticoids, include high blood glucose levels (especially in patients with diabetes mellitus or on other medications that increase blood glucose, such as tacrolimus) and mineralocorticoid effects such as fluid retention. [24]
The connecting peptide, or C-peptide, is a short 31-amino-acid polypeptide that connects insulin's A-chain to its B-chain in the proinsulin molecule. In the context of diabetes or hypoglycemia, a measurement of C-peptide blood serum levels can be used to distinguish between different conditions with similar clinical features.
The amino acid sequence of animal insulins in different mammals may be similar to human insulin (insulin human INN), there is however considerable viability within vertebrate species. [16] Porcine insulin has only a single amino acid variation from the human variety, and bovine insulin varies by three amino acids.
Insulin glulisine, sold under the brand name Apidra among others, is a rapid-acting modified form of medical insulin used for the treatment of diabetes.It differs from human insulin in that the amino acid asparagine at position B3 is replaced by lysine and the lysine in position B29 is replaced by glutamic acid. [2]
n/a Ensembl n/a n/a UniProt n a n/a RefSeq (mRNA) n/a n/a RefSeq (protein) n/a n/a Location (UCSC) n/a n/a PubMed search n/a n/a Wikidata View/Edit Human Glucagon is a peptide hormone, produced by alpha cells of the pancreas. It raises the concentration of glucose and fatty acids in the bloodstream and is considered to be the main catabolic hormone of the body. It is also used as a medication ...