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Depression: 21st Century Solutions + The Dark Side of Wheat

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Abstract Title:

The endocrine disruptor bisphenol A promotes nuclear ERRγ translocation, facilitating cell proliferation of Grade I endometrial cancer cells via EGF-dependent and EGF-independent pathways.

Abstract Source:

Mol Cell Biochem. 2018 Jul 18. Epub 2018 Jul 18. PMID: 30022450

Abstract Author(s):

Takahiro Yaguchi

Article Affiliation:

Takahiro Yaguchi

Abstract:

Endocrine disruptors have become a global social and public health problem since the late 1980s. Bisphenol A (BPA) has a steroid-like skeleton similar to estrogen and progesterone, and is an endocrine disruptor that disturbs the physiological hormone balance. The potential involvement of BPA in malignancy of endometrial cancer cells caused by overexposure of steroid hormones remains incompletely understood. The present study aimed at understanding the regulatory mechanism underlying BPA-induced cell proliferation in hormone-sensitive endometrial cancer cells. BPA selectively and significantly induced cell proliferation of Grade I endometrial cancer cells such as HEC265 and Ishikawa cells. In HEC265 and Ishikawa cells, BPA induced nuclear translocation of estrogen-related receptorγ (ERRγ) in a time-dependent manner and increased expression of BPA/ERRγ-target genes. In Ishikawa cells, BPA promoted the influx of Cafollowed by epidermal growth factor (EGF) secretion to the extracellular space. Furthermore, EGF secreted from Ishikawa had an autocrine effect, leading to activation of the EGFR/ERK pathway. Contrastingly, in HEC265 cells, BPA increased the expression of BPA/ERRγ-target genes but did not affect Camobilization EGF secretion. In conclusion, BPA induced cell proliferation via the BPA/ERRγ/EGF/EGFR/ERK signaling pathway in Ishikawa cells and contrastingly, in HEC265 cells, induced cell proliferation through the BPA/ERRγ signaling pathway.

Study Type : In Vitro Study

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Sayer Ji
Founder of GreenMedInfo.com

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Depression: 21st Century Solutions + The Dark Side of Wheat

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