Effects of parabens on apoptosis induced by serum-free medium |
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Authors: | Egawa Mari Aoki Kentaro Sun Yongkun Hosokawa Toshiyuki Saito Takeshi Kurasaki Masaaki |
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Institution: | Graduate School of Environmental Science, Hokkaido University, Sapporo, Japan. |
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Abstract: | Alkyl esters of p-hydroxybenzoic acids (parabens), an endocrine disrupter, are used as preservatives in cosmetics and foods. In this study, to understand the relationship between parabens and differentiation in infants, the effects of parabens on apoptosis induced by serum deprivation in PC12 cells were investigated. In addition, apoptosis-related factors were assayed. As results, a tendency toward enhancement of apoptosis was observed in the cells cultured in the serum-free medium with methylparaben, and this tendency was suggested to be related to the contents of BAD, a pro-apoptotic protein. Butylparaben did not show any tendency to enhance apoptosis. |
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