Article Publish Status: FREE
Abstract Title:

Bisphenol A induces hepatic triglyceride level in adult male rare minnow Gobiocypris rarus.

Abstract Source:

Ecotoxicol Environ Saf. 2021 Apr 15 ;213:112050. Epub 2021 Feb 20. PMID: 33621748

Abstract Author(s):

Kaihang Mi, Xi Chen, Kaiyuan Lu, Yujie Zhu, Meng Zhang, Hui Yang, Wenzhi Wei, Yingying Zhang

Article Affiliation:

Kaihang Mi


Bisphenol A (BPA), an endocrine disruptor, exist in almost all waters. In the present study, we expose adult male Gobiocypris rarus rare minnow to 15 μg/L BPA to study the effect BPA on fish hepatic lipid metabolism. Following 1, 3 and 5 weeks exposure, the liver tissue of rare minnow was separated. The change of the hepatic morphology, hepatosomatic index, lipid composition and expression of lipid metabolism related genes were analyzed through paraffin section, oil red O staining, lipidomic analysis, and quantitative real-time PCR. BPA can cause significant hepatic lipid deposition in male rare minnow, leading to an increase in triglyceride (TG) level (1.84-22.87-fold), but it is also accompanied by a decrease in diglyceride level (1.67-4.78-fold). The expression of lipid metabolism related genes showed that BPA exposure can up-regulate TG synthesis related genes expression, and down-regulate TG degradation genes expression. Expression of TG transport related genes were also disrupted by BPA. It suggests that BPA can up-regulate rare minnow hepatic TG level through multi-path, and ultimately lead to lipid accumulation in the liver. The results of the present study enrich the mechanisms of environmental endocrine disruptors affecting lipid accumulation in fish.

Study Type : Animal Study
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Additional Keywords : Environmental Pollution

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