Galantide |
Catalog No.GC30931 |
Le galantide, un antagoniste non spécifique des récepteurs de la galanine, est un peptide constitué de fragments de galanine et de substance P.
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Cas No.: 138579-66-5
Sample solution is provided at 25 µL, 10mM.
Galantide is a reversible and non-specific galanin receptor antagonist.
Galantide dose dependently (IC50=1.0 nM) antagonizes the galanin-mediated inhibition of the glucose-induced insulin secretion from mouse pancreatic islets. The antagonist is also found to displace 125I-monoiodo-[TyrZ6]galanin from membranes of the insulin producing Rin m 5F cells with an IC50 value of less than 0.1 nM[1].
Intracerebroventricular injection of galanin (5 micrograms/rat) inhibited sexual behavior in experienced male rats--without producing any other locomotor or behavioral deficit-, injection of the galanin antagonist, galantide, by the same route (1 or 2 micrograms/rat) stimulated sexual behavior (improving arousal, motivation and performance indexes) and antagonized the effect of galanin[2]. Galantide ameliorates mild acute pancreatitis (AP). Galantide significantly reduces AP-induced hyperenzymemia by 41-49%[3]. Galantide has been found to improve social memory in 'socialrecognition' test when i.c.v. administered at doses varying from 6-6000 nM[4].
[1]. Lindskog S, et al. The novel high-affinity antagonist, galantide, blocks the galanin-mediatedinhibition of glucose-induced insulin secretion. Eur J Pharmacol. 1992 Jan 14;210(2):183-8. [2]. Benelli A, et al. Galantide stimulates sexual behaviour in male rats. Eur J Pharmacol. 1994 Aug 1;260(2-3):279-82. [3]. Barreto SG, et al. The efficacy of combining feG and galantide in mild caerulein-induced acutepancreatitis in mice. Peptides. 2010 Jun;31(6):1076-82. [4]. Arletti R, et al. Galantide improves social memory in rats. Pharmacol Res. 1997 Apr;35(4):317-9.
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