β-Endorphin (1-26) (human) (trifluoroacetate salt)

β-Endorphin (1-26) (human) (trifluoroacetate salt)

CAT N°: 24956
Price:

414.00 351.90

?-endorphin (1-26) is a neuropeptide found in rat hippocampus, brain stem, and pituitary.{36567} It is also present in the human hypothalamus, where it comprises approximately 13.1% of total ?-endorphin.{36566} ?-endorphin (1-26) is an opioid receptor agonist that inhibits potassium-induced norepinephrine (NE) release in rat cortical slices (IC50 = 2.5 nM).{42040} It reverses inhibition of potassium-induced NE release from rat cortical slices induced by the opioid antagonists naloxone (Item No. 15594), CTOP, norbinaltorphimine (nor-BNI), and naltrindole (Item No. 9000705; pA2s = 7.59-8.63). In vivo, ?-endorphin (1-26) (10 ?g, i.c.v.) induces transient bradycardia in anesthetized rats.{42041} Intracerebroventricular administration of ?-endorphin (1-26) increases the latency to tail withdrawal in response to thermal stimulation in mice with a median antinociceptive dose (AD50) of 1.57 ?g per animal.{42042}

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