The Arg-Phe-amide peptide 26RFa/glutamine RF-amide peptide and its receptor: IUPHAR Review 24

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Editorial: A Comparative Survey of the RF-Amide Peptide Superfamily

The first member of the RF-amide peptide superfamily to be characterized, in 1977, was the cardioexcitatory peptide, FMRFamide, isolated from the ganglia of the clamMacrocallista nimbosa (1). Since then, a large number of such peptides, designated after their C-terminal arginine (R) and amidated phenylalanine (F) residues, have been identified in representative species of all major phyla. The d...

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Does Kisspeptin Belong to the Proposed RF-Amide Peptide Family?

Kisspeptin (KISS) plays a key role in regulating reproduction by binding to its receptor, GPR54. Because of the Arg-Phe (RF) sequence at its carboxyl terminus, KISS has been proposed to be a member of the RF-amide peptide family consisting of neuropeptide FF (NPFF), neuropeptide VF (NPVF), pyroglutamylated RF-amide peptide (QRFP), and prolactin-releasing hormone (PRLH). Evolutionary relationshi...

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Neuropeptides Gly-Asp-Pro-Phe-Leu-Arg-Phe-amide (GDPFLRFamide) and Ser-Asp-Pro-Phe-Leu-Arg-Phe-amide (SDPFLRFamide) Are Encoded by an Exon 3’ to Phe-Met-Arg-Phe- NH, (FMRFamide) in the Snail Lymnaea stagnalis

Biochemical analysis has shown the pond snail Lymnaea stagnalis to contain 2 main classes of Phe-Met-Arg-Phe-NH, (FMRFamide)-like neuropeptides: the tetrapeptides FMRFamide and Phe-Leu-Arg-Phe-NH, (FLRFamide), and the heptapeptides Gly-Asp-Pro-Phe-Leu-Arg-Phe-NH, (GDPFLRFamide) and Ser-Asp-Pro-Phe-Leu-Arg-Phe-NH, (SDPFFRFamide). By genomic mapping and DNA sequencing, we show here that the GDP/S...

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P-21: RF-Amide Related Peptide mRNA Expression in Male Rat Dorsomedial Hypothalamic Nucleus during Chronic Stress

Background Chronic stress induces male reproductive dysfunction; however, the involved mechanisms are not clear. It has been suggested that the gonadotrophin-inhibitory hormone, known as RF-amide related peptide (RFRP) in mammalian species, may mediate this inhibitory effect of stress. The objective of the present study was to compare the effect of chronic stress and glucocorticoids receptor an...

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Synthesis of nocistatin C-terminal and it’s amide derivatives as an opioid peptide

A new biological active hexapeptide of C-terminal of nocistatin, contains Glu-Gln-Lys-Gln-Leu-Gln sequence was synthesized according to solid phase peptide synthesis on the surface of 2-chloro tritylchloride resin and using fmoc-protected amino acids in the presence of TBTU (O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyl uranium tetrafluoroborate) as a coupling reagent. Then, amidation of the C-te...

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ژورنال

عنوان ژورنال: British Journal of Pharmacology

سال: 2017

ISSN: 0007-1188

DOI: 10.1111/bph.13907