Δ9-Tetrahydrocannabinol regulates the p53 post-translational modifiers Murine double minute 2 and the Small Ubiquitin MOdifier protein in the rat brain

Δ9-Tetrahydrocannabinol regulates the p53 post-translational modifiers Murine double minute 2 and the Small Ubiquitin MOdifier protein in the rat brain
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DOI:
10.1016/j.febslet.2009.09.056
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发表时间:
2009-11-03
期刊:
影响因子:
3.5
通讯作者:
Campbell, Veronica A.
Campbell, Veronica A.
中科院分区:
生物学3区
文献类型:
--
作者:
Gowran, Aoife;Murphy, Carrie E.;Campbell, Veronica A.

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植物大麻素 Delta(9)-四氢大麻酚 (Delta(9)-THC) 是大麻中主要的精神活性大麻素,可激活包括 p53 在内的许多信号级联。本研究探讨了 Delta(9)-THC 在调节 p53 翻译后模式中的作用。皮层神经元中的 er 蛋白、鼠双微体 (Mdm2) 和小泛素样修饰蛋白 1 (SUMO-1)。 Delta(9)-THC 增加了 Mdm2 和 SUMO-1 蛋白的表达,并以大麻素受体 1 型 (CB1) 受体依赖性方式诱导 p53 的去SUMO化。我们证明 Delta(9)-THC 降低了 CB1 受体的 SUMOylation。这些数据揭示了大麻素受体激活在调节 SUMO 调节系统中的新作用。
The phytocannabinoid Delta(9)-Tetrahydrocannabinol (Delta(9)-THC), the main psychoactive cannabinoid in cannabis, activates a number of signalling cascades including p53. This study examines the role of Delta(9)-THC in regulating the p53 post-translational modi. er proteins, Murine double minute (Mdm2) and Small Ubquitin-like MOdifier protein 1 (SUMO-1) in cortical neurons. Delta(9)-THC increased both Mdm2 and SUMO-1 protein expression and induced the deSUMOylation of p53 in a cannabinoid receptor type 1 (CB1)-receptor dependent manner. We demonstrate that Delta(9)-THC decreased the SUMOylation of the CB1 receptor. The data reveal a novel role for cannabinoid receptor activation in modulating the SUMO regulatory system.