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Aminoguanidine is a colorless solid that is soluble in water and ethanol. It is basic, producing salts when reacted with organic acids. As established by many crystallographic studies, protonation of aminoguanidine occurs at the imino nitrogen. [16] With formic acid, condensation occurs, leading to cyclization to give 3-amino-1,2,4-triazole. [14]
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]
Pyroglutamic acid (also known as PCA, 5-oxoproline, pidolic acid) is a ubiquitous but understudied natural amino acid derivative in which the free amino group of glutamic acid or glutamine cyclizes to form a lactam. [1] The names of pyroglutamic acid conjugate base, anion, salts, and esters are pyroglutamate, 5-oxoprolinate, or pidolate.
The main side effects of exenatide use are gastrointestinal in nature, including acid or sour stomach, belching, diarrhea, heartburn, indigestion, nausea, and vomiting. [11] These tend to subside with time; [ 11 ] exenatide is therefore not meant for people with severe gastrointestinal disease.
Amino acid sequence of amylin with disulfide bridge and cleavage sites of insulin degrading enzyme indicated with arrows. Amylin, or islet amyloid polypeptide (IAPP), is a 37-residue peptide hormone. [5] It is co-secreted with insulin from the pancreatic β-cells in the ratio of approximately 100:1 (insulin:amylin).
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]
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.
AP5 (also known as APV, (2R)-amino-5-phosphonovaleric acid, or (2R)-amino-5-phosphonopentanoate) is a chemical compound used as a biochemical tool to study various cellular processes. It is a selective NMDA receptor antagonist that competitively inhibits the ligand (glutamate) binding site of NMDA receptors . [ 1 ]