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

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Abstract Title:

Co-exposure to endocrine disruptors: effect of bisphenol A and soy extract on glucose homeostasis and related metabolic disorders in male mice.

Abstract Source:

Endocr Regul. 2018 Apr 1 ;52(2):76-84. PMID: 29715189

Abstract Author(s):

Masoud Veissi, Sima Jafarirad, Akram Ahangarpour, Seyede Marjan Mohaghegh, Amal Saki Malehi

Article Affiliation:

Masoud Veissi

Abstract:

OBJECTIVES: Bisphenol A (BPA) is a xenoestrogen, which is commonly used as a monomer of polycarbonate plastics food containers and epoxy resins. Little is known about the interaction effects between xeno- and phyto- estrogens on glucose homeostasis or other metabolic disorders. The aim of this study was to examine effects of individual or combined exposure to low doses of BPA and soy extract on glucose metabolism in mice with the goal to establish its potential mechanisms.

METHODS: Fifty-four male mice were randomly divided into six groups. Mice were treated with soy extract at 60 or 150 mg/kg by daily gavage with or without subcutaneously administration of BPA (100μg/kg/day) for four weeks at the same time, while the control group received a vehicle. Serum levels of fasting glucose, insulin, adiponectin, testosterone, malondialdehyde (MDA), and total antioxidant capacity (TAC) were measured. Homeostatic model assessment-β cell function (HOMA-β) index was also determined.

RESULTS: BPA exposure induced hyperglycemia and significantly reduced HOMA-β, serum levels of insulin, adiponectin, testosterone, and TAC and noticeably enhanced MDA in BPA group compared to control one. While treatment with soy extract in high dose (150 mg/kg) significantly decreased the levels of fasting blood glucose and MDA and notably improved the serum levels of insulin, HOMA-β, and TAC compared to BPA group.

CONCLUSION: Soy extract may protect against some adverse effects of BPA. These findings represent the first report suggesting a potential effect between soy extract and BPA in low doses, however, further studies are needed to confirm these results.

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

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