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Seliciclib

CAS No. : 186692-46-6

MCE 站：Seliciclib

产品活性：Seliciclib (Roscovitine) 是一种有效的，具有口服活性的，选择性的 CDKs 抑制剂，抑制 CDK5，Cdc2 和 CDK2 的 IC₅₀ 分别为0.2 μM，0.65 μM，0.7 μM。

研究领域：Cell Cycle/DNA Damage

作用靶点：CDK

In Vitro: Seliciclib (Roscovitine) displays high efficiency and high selectivity towards some cyclin-dependent kinases. The kinase specificity of Seliciclib is investigated with 25 highly purified kinases (including protein kinase A, G and C isoforms, myosin light-chain kinase, casein kinase 2, IR tyrosine kinase, c-src, v-abl). Most kinases are not significantly inhibited by Seliciclib (Roscovitine). Cdc2, Cdk2, and Cdk5 only are substantially inhibited (IC₅₀ values of 0.65, 0.7, and 0.2 μM, respectively). Cdk4k and Cdk6 are very poorly inhibited by Seliciclib (Roscovitine) (IC₅₀>100 μM). Extracellular regulated kinases erk1 and erk2 are inhibited with an IC₅₀ of 34 μM and 14 μM, respectively. Seliciclib (Roscovitine) inhibits the proliferation of mammalian cell lines with an average IC₅₀ of 16 μM. Seliciclib decreases the level of CDK5 and p35 with upregulation of E-cadherin, but downregulation of Vimentin and Collagen IV. Moreover, Seliciclib (Roscovitine) inhibits the ability of high glucose cultured NRK52E cells to migrate and invade.

In Vivo: Compare with normal controls, Seliciclib (Roscovitine) downregulates phosphorylated ERK1/2 and PPARγ with concomitant increase in E-cadherin, but decrease in Vimentin and Collagen IV. Correspondingly, Seliciclib decreases renal tubulointerstitial fibrosis of diabetic rats. Seliciclib (Roscovitine) is effective in decreasing tubulointerstitial fibrosis via the ERK1/2/PPARγ pathway in diabetic rats. Seliciclib (Roscovitine) (16.5 mg/kg) significantly reduces the rate of tumor growth and increases survival of treated mice. Strikingly, Seliciclib (Roscovitine) treatment leads to complete tumor disappearance in one mouse (25%); moreover, no tumor regrowth in this mouse is found 5 months after completion of the treatment. Mouse weights do not differ significantly between mice treated with Seliciclib and control mice, and behavioral differences between the two groups are also negligible. These results suggest that Seliciclib can be used effectively as a selective tumor growth inhibitor in HPV+ head and neck cancer.

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