β-Endorphin (human) (trifluoroacetate salt)

β-Endorphin (human) (trifluoroacetate salt)

CAT N°: 24955
Price:

From 180.00 153.00

?-Endorphin is an endogenous 31-amino acid neuropeptide and opioid receptor agonist that binds to ?-, ?-, and ?-opioid receptors (Kis = 3.73, 5.02, and 32.7 nM, respectively, in COS-1 cells expressing rat receptors).{41636} It binds to rat and mouse brain membrane preparations (IC50s = 0.33 and 0.67 nM, respectively) and induces chemotaxis of human monocytes in vitro when used at a concentration of 0.1 pM.{41637,40895,40896} Intracerebroventricular administration of ?-endorphin increases the latency to tail withdrawal in response to thermal stimuli in mice with a median antinociceptive dose (AD50) value of 27 pmol per animal.{41637} It also increases preference for the drug-paired place in a conditioned place preference test when administered to rats intracerebroventricularly at a dose of 5 ?g.{41638}

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