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LYG-202, a New Flavonoid With a Piperazine Substitution, Shows Antitumor Effects in Vivo and in Vitro

LYG-202, a New Flavonoid With a Piperazine Substitution, Shows Antitumor Effects in Vivo and in Vitro

Shi Zeng, Wei Liu, Fei-Fei Nie, Qing Zhao, Jing-Jing Rong, Jia Wang, Lei Tao, Qi Qi, Na Lu, Zhi-Yu Li, Qing-Long Guo

Biochem Biophys Res Commun. 2009 Aug 7;385(4):551-6.

PMID: 19481059

Abstract:

LYG-202 is a newly synthesized flavonoid with a piperazine substitution. We investigated the antitumor effect of LYG-202 in vivo and in vitro. We show that, LYG-202 significantly decreases tumor growth in mice inoculated with S180 sarcoma cells, compared with the control group. Meanwhile, the viabilities of various kinds of tumor cells were inhibited by LYG-202 with IC(50) values in the range of 4.80 to 27.70 microM. Then apoptosis induced by LYG-202 in HepG2 cells was characterized by DAPI staining and Annexin V/PI double staining and degradation of PARP was observed. Activation of the caspase cascade for both the extrinsic and intrinsic pathways was demonstrated, including caspase-8, -9, and -3. The results also showed that the expression of Bcl-2 protein decreased whereas that of Bax protein increased, leading to an increase of the Bax/Bcl-2 ratio. Our results demonstrated that LYG-202 exhibited strong antitumor effect in vivo and in vitro, involving with apoptosis induction.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP1175077254	LYG-202		1175077-25-4	Price

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