The Effect of BPA-Treated Water on the Small Intestine Via an In Vivo Study

Overview

Journal Toxics

Date 2022 Jun 23

PMID 35736905

Authors

Roziana Kamaludin

Zatilfarihiah Rasdi

Mohd Hafiz Dzarfan Othman

Siti Hamimah Sheikh Abdul Kadir

Mohd Yusri Idorus

Jesmine Khan

Wan Nor Izzah Wan Mohamad Zain

Ahmad Fauzi Ismail

Mukhlis A Rahman

Juhana Jaafar

Affiliations

Soon will be listed here.

Abstract

Since the major route of BPA exposure is via the oral route, BPA may have effects on the gastrointestinal tract, especially on the intestinal barrier, where most digestion and absorption processes occur. In this study, the effects of BPA-treated water on the small intestine (SI) and SI tight junction proteins (TJPs) of both pregnant Sprague-Dawley rats and their fetuses were investigated. Previously, hybrid photocatalytic filtration treatment by a visible light driven N-doped TiO membrane has successfully removed up to 81.6% of BPA in water. The effect of BPA-untreated (5.00 ± ppm) and BPA-treated water (0.9 ± ppm) after 21 days of exposure on the jejunum and ileum, as well as the expressions of claudin proteins, were investigated by Western blotting (WB) and hematoxylin and eosin (H&E) in order to investigate the potential of the photocatalytic membrane in removing the detrimental effect of BPA. The results suggest that BPA exposure altered the morphology of villi, and affected the expression level of claudin-2, -3, and -4 proteins in the jejunum and ileum of both pregnant rats and their fetuses. Interestingly, villi and claudins expressions were undisrupted in a treated-BPA water group, which indicated that the degradation of BPA via membranes effectively mitigates the effect on BPA on gastrointestinal tract.

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