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Relaxin is a protein hormone of about 6000 Da, [1] first described in 1926 by Frederick Hisaw. [2] [3]The relaxin family peptide hormones belong to the insulin superfamily and consists of seven peptides of high structural but low sequence similarity; relaxin-1 (RLN1), 2 (RLN2) and 3 (), and the insulin-like (INSL) peptides, INSL3, INSL4, INSL5 and INSL6.
Relaxin family peptide hormones in humans are represented by seven members: three relaxin-like (RLN) and four insulin-like (INSL) peptides: RLN1, RLN2, RNL3, INSL3, INSL4, INSL5, INSL6. This subdivision into two classes (RLN and INSL) is based primarily on early findings, [ 1 ] and does not reflect the evolutionary origins or physiological ...
Relaxin causes vasodilation by an indirect mechanism, where it inhibits the potent vasoconstrictors angiotensin II and endothelin. [9] In addition to vasodilation, the effects of relaxin are also seen in the kidneys, by significantly increasing creatinine clearance, [ 10 ] which is a measure of kidney function, as well as increased renal blood ...
According to Eurostat's latest data, Spain had the second-highest average age of women at childbirth in Europe in 2022, at 32.6 years, as well as the second-oldest average age for first-time ...
Relaxin-3 is a member and ancestral gene of the relaxin family of peptides, which includes the namesake hormone relaxin (designated 'H2 relaxin' in humans) which mediates peripheral actions during pregnancy and which was found to relax the pelvic ligament in guinea pigs almost a century ago.
The relaxin receptors are a subclass of four closely related G protein-coupled receptors (GPCR) that bind relaxin peptide hormones. [ 1 ] [ 2 ] Below is list of human relaxin receptors, their endogenous peptide hormones, and what downstream enzymes are activated or inhibited by the receptor.
The Times story also cited a buprenorphine study by researchers in Sweden that looked at “100 autopsies where buprenorphine had been detected.” According to the Times, the study found that “in two-thirds, it was the direct cause of death, mostly in combination with other drugs.” It was a misreading of the study.
The insulin/IGF/relaxin family is a group of evolutionary related proteins which possess a variety of hormonal activities. [1] Family members in human include two subfamilies: 1) insulin and insulin-like growth factors [2] 2) relaxin family peptides: relaxins 1 and 2; relaxin 3; Leydig cell-specific insulin-like peptide (gene INSL3) [3]