王不留行环肽B、Segetalin B 是一种具有口服活性的环五肽,发现于 Vaccaria segetalis,具有雌激素样活性。Segetalin B 促进体外卵巢切除大鼠骨髓间充质干细胞矿化,提高骨钙素、BMP-2、ALP 和 SIRT1 活性水平。Segetalin B 有望用于绝经后骨质疏松症 (PMOP) 的研究。
CAS号:164991-89-3
单字母: Cyclo(AGVAW)
多字母:cyclo(Ala-Gly-Val-Ala-Trp)
分子式: C24H32N6O5
分子量: 484.55
参考文献:
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[2]. PascalSonnet, et al. First synthesis of segetalins B and G: two cyclopentapeptides with estrogen-like activity. Tetrahedron Letters. Volume 44, Issue 16, 14 April 2003, Pages 3293-3296
[3]. DONG H, et al. HPLC simultaneous determination of segetalin A and segetalin B in Vaccariae Semen[J]. Chinese Journal of Pharmaceutical Analysis, 2012, 32(5): 793-796