α-Helical CRF(9-41) TFA is a competitive CRF2 receptor antagonist with K B of ~100 nM. α-Helical CRF(9-41) TFA is also a partial agonist of CRF1 receptor with an EC 50 of 140 nM [1] [2].
References:
[1]. Sonia Tucci, et al. Corticotropin releasing factor antagonist, alpha-helical CRF(9-41), reverses nicotine-induced conditioned, but not unconditioned, anxiety. Psychopharmacology (Berl). 2003 May;167(3):251-6.
[2]. Smart D, et al. Characterisation using microphysiometry of CRF receptor pharmacology. Eur J Pharmacol. 1999 Aug 27;379(2-3):229-35.
References:
[1]. Sonia Tucci, et al. Corticotropin releasing factor antagonist, alpha-helical CRF(9-41), reverses nicotine-induced conditioned, but not unconditioned, anxiety. Psychopharmacology (Berl). 2003 May;167(3):251-6.
[2]. Smart D, et al. Characterisation using microphysiometry of CRF receptor pharmacology. Eur J Pharmacol. 1999 Aug 27;379(2-3):229-35.