Endomorphin-1

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25mg

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Agonist of μopioid receptors,highly potent and selective

货号：ajcp4372
CAS：189388-22-5
分子式：C34H38N6O5
分子量：610.67
纯度：98%
存储：Store at -20°C
库存：现货

Background:

Endomorphins are two endogenous opioid peptides. Endomorphin-1 (Tyr-Pro-Trp-Phe-NH₂) and endomorphin-2 (Tyr-Pro-Phe-Phe-NH₂) are tetrapeptides with the highest known affinity and specificity for the μ opioid receptor. Endomorphin-1 is located in the nucleus of the solitary tract, the periventricular hypothalamus, and the dorsomedial hypothalamus, where it is found within histaminergic neurons and may regulate sedative and arousal behaviors¹. It is assumed that endomorphins are the cleavage products of a larger precursor, but this polypeptide or protein has not yet been identified. Perikarya expressing EM2-like immunoreactivity were present in the posterior hypothalamus, whereas those expressing EM1-like immunoreactivity were present in both the posterior hypothalamus and the nucleus of the solitary tract (NTS). EM1-like immunoreactivity was more widely and densely distributed throughout the brain than was EM2-like immunoreactivity, whereas EM2-like immunoreactivity was more prevalent in the spinal cord than was EM1-like immunoreactivity. endomorphins participate in modulating nociceptive and autonomic nervous system processes and responsiveness to stress.

参考文献:
1. Greco, MA; Fuller, PM; Jhou, TC; Martin-Schild, S; Zadina, JE; Hu, Z; Shiromani, P; Lu, J (2008). "Opioidergic projections to sleep-active neurons in the ventrolateral preoptic nucleus". Brain Research 1245: 96–107.