Pristimerin (Synonyms: Celastrol methyl ester, NSC 99281) |
Catalog No.GC11617 |
monoacylglycerol lipase (MGL) inhibitor
Products are for research use only. Not for human use. We do not sell to patients.
Cas No.: 1258-84-0
Sample solution is provided at 25 µL, 10mM.
Pristimerin is a potent and reversible monoacylglycerol lipase (MGL) inhibitor with an IC50 of 93 nM.
Pristimerin inhibits the activity of purified MGL with an IC50 of 93±8 nM and that of non-purified MGL (cell lysates of MGL-transfected HeLa cells) with an IC50 of 398±68 nM. Pristimerin inhibits MGL through a mechanism that is rapid, reversible and non-competitive. The binding of pristimerin to MGL might be strengthened by formation of a polar interaction with a regulatory cysteine, possibly Cys208[1]. Pristimerin inhibits HFLS-RA and HUVEC cell viability in a dose- and time-dependent manner. Pristimerin decreases VEGF-induced autophosphorylation of VEGFR2 and attenuates the activation of the VEGF-induced VEGFR2-mediated signaling pathway [2].
Pristimerin inhibits inflammation and tumor angiogenesis. Pristimerin significantly reduces vessel density in synovial membrane tissues of inflamed joints and reduces the expression of pro-angiogenic factors in sera, including TNF-α, Ang-1, and MMP-9[2].
Reference:
[1]. King AR, et al. Discovery of potent and reversible monoacylglycerol lipase inhibitors. Chem Biol. 2009 Oct 30;16(10):1045-52.
[2]. Deng Q, et al. Pristimerin inhibits angiogenesis in adjuvant-induced arthritic rats by suppressing VEGFR2 signaling pathways. Int Immunopharmacol. 2015 Dec;29(2):302-13.
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