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Effect of Mollugin on Apoptosis and Adipogenesis of 3T3-L1 Preadipocytes

Effect of Mollugin on Apoptosis and Adipogenesis of 3T3-L1 Preadipocytes

Do Youn Jun, Cho Rong Han, Myung Sook Choi, Myung Ae Bae, Mi Hee Woo, Young Ho Kim

Phytother Res. 2011 May;25(5):724-31.

PMID: 21077262

Abstract:

The effect of mollugin, isolated from the roots of Rubia cordifolia L., on cell viability, apoptosis and adipogenesis in 3T3-L1 preadipocytes was investigated. The inhibitory effect of mollugin (40-60 µM) on cell viability was more significant in differentiated adipocytes than in 3T3-L1 preadipocytes. In 3T3-L1 cells, the cytotoxicity of mollugin was accompanied by apoptotic events including mitochondrial membrane potential (Δψm) loss and activation of caspase-9, -3 and -7, leading to PARP degradation. Although the presence of 20 µM mollugin during induced adipocytic differentiation of 3T3-L1 cells for 6 days failed to affect the cell viability, it could almost completely abrogate the differentiation-associated morphology change and intracellular lipid accumulation. A similar level of inhibition was observed, when 20 µM mollugin was present during the early stage (D0-D2) of the differentiation period. In addition, the expression of C/EBPα, PPARγ1 and PPARγ2 was significantly down-regulated. The presence of 20 µM mollugin during either middle stage (D2-D4) or late stage (D4-D6) of the differentiation period, however, caused the inhibition to a lesser extent. These results indicated that mollugin at high concentrations (40-60 µM) exerted cytotoxicity via inducing apoptosis, whereas mollugin at a low concentration (20 µM) suppressed adipocytic differentiation without exerting cytotoxicity in 3T3-L1 preadipocytes.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP55481884	Mollugin		55481-88-4	Price

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