Spinorphin 是一种脑非肽降解酶抑制剂，能够抑制氨基肽酶、二肽基氨基肽酶III、血管紧张素转换酶和脑非肽酶。它可用于研究疼痛的缓解。

Spinorphin is a heptapeptide, and is a potent enkephalin-degrading enzymes inhibitor.

Spinorphin inhibited cytoplasmic Ca(2+) ([Ca(2+)]i) transients, evoked by depolarization and capsaicin selectively in medium and small cultured rat DRG neurons.?Spinorphin (10-300 M) inhibited the Ca(2+) signals in concentration dependant manner in small- and medium diameter DRG neurons.?Capsaicin produced [Ca(2+)]i responses only in small- and medium-sized DRG neurons, and pre-treatment with spinorphin significantly attenuated these [Ca(2+)]i responses[1].

Spinorphin significantly inhibited the functions of polymorphonuclear neutrophils (PMNs) by suppressing the binding of fMLF to its receptor on PMNs. Further, this inhibitor suppressed the carrageenan-induced accumulation of PMN in mouse air pouches after intravenous administration. These results indicate that spinorphin may be an endogenous anti-inflammatory regulator. The possible role of spinorphin and its analog as regulators in pain and inflammation will be discussed[2].

137201-62-8

C45H64N8O10

877.053

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