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Int J Mol Sci. 2019 Sep 6;20(18). pii: E4382. doi: 10.3390/ijms20184382.

Maternal Exposure to Bisphenol A Combined with High-Fat Diet-Induced Programmed Hypertension in Adult Male Rat Offspring: Effects of Resveratrol.

Author information

1
Department of Pharmacy, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan. chien_ning_hsu@hotmail.com.
2
Department of Obstetrics and Gynecology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan. lyu015@cgmh.org.tw.
3
Departments of Pediatrics, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan. tainyl@hotmail.com.

Abstract

Maternal exposure to endocrine disrupting chemicals (EDCs) and a high-fat intake may induce the developmental programming of hypertension in adult offspring. Bisphenol A (BPA) is one of the most commonly environmental EDCs. As the nitric oxide (NO) and aryl hydrocarbon receptor (AHR) signaling pathways both contribute to the pathogenesis of hypertension, we evaluated whether resveratrol, an antioxidant and an AHR antagonist, can prevent hypertension programmed by a maternal BPA and HF diet. Sixteen-week-old male rat offspring were assigned to six groups (n = 8 per group): Control, HF (D12331, Research Diets), BPA (50 μg/kg/day), HF + BPA, BPA + R (resveratrol 50mg/L in drinking water throughout pregnancy and lactation), and HF + BPA + R. Maternal BPA exposure exacerbated hypertension programmed by HF consumption in adult male offspring, which was protected by maternal resveratrol therapy. The BPA and HF diet synergistically induced oxidative stress in offspring kidneys, which resveratrol treatment prevented. We observed that HF + BPA-induced programmed hypertension was associated with a decreased NO bioavailability, increased oxidative stress, and an activated AHR signaling pathway. The beneficial effects of resveratrol are relevant to restoring NO bioavailability, reducing oxidative stress, and antagonizing the AHR signaling pathway. Our results cast a new light on resveratrol as a reprogramming strategy to protect against hypertension programmed by combined BPA and HF exposure, but this strategy has yet to be translated into clinical applications.

KEYWORDS:

aryl hydrocarbon receptor; asymmetric dimethylarginine; bisphenol A; developmental origins of health and disease (DOHaD); high-fat diet; hypertension; nitric oxide; oxidative stress

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