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Mitochondrial Involvement in the Adaptive Response to Chronic Exposure to Environmental Pollutants and High-Fat Feeding in a Rat Liver and Testis

1
Department of Chemistry and Biology “Adolfo Zambelli”, University of Salerno, 84084 Fisciano, Italy
2
Department of Biology, University of Naples, Federico II, 80126 Naples, Italy
*
Authors to whom correspondence should be addressed.
Cells 2019, 8(8), 834; https://doi.org/10.3390/cells8080834
Received: 11 June 2019 / Revised: 28 July 2019 / Accepted: 3 August 2019 / Published: 5 August 2019
(This article belongs to the Special Issue Mitochondria in Health and Diseases)
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Abstract

In our modern society, exposure to stressful environmental stimuli, such as pollutants and/or chronic high-fat feeding, continuously induce tissular/organ metabolic adaptation to promote cellular survival. In extreme conditions, cellular death and tissular/organ damage occur. Mitochondria, as a cellular energy source, seem to play an important role in facing cellular stress induced by these environmental stimuli. On the other hand, mitochondrial dysfunction and oxidative stress play a key role in environmental stress-induced metabolic diseases. However, little is known about the combined effect of simultaneous exposure to chronic high-fat feeding and environmental pollutants on metabolic alterations at a tissular and cellular level, including mitochondrial dysfunction and oxidative stress induction. Our research group recently addressed this topic by analysing the effect of chronic exposure to a non-toxic dose of the environmental pollutant dichlorodiphenyldichloroethylene (DDE) associated with high-fat feeding in male Wistar rats. In this review, we mainly summarize our recent findings on mitochondrial adaptive response and oxidative stress induction in the liver, the main tissue involved in fat metabolism and pollutant detoxification, and in male gonads, the main targets of endocrine disruption induced by both high-fat feeding and environmental pollutants. View Full-Text
Keywords: DDE; high-fat diet; mitochondrial UCP2; ROS; antioxidant system DDE; high-fat diet; mitochondrial UCP2; ROS; antioxidant system
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Migliaccio, V.; Di Gregorio, I.; Putti, R.; Lionetti, L. Mitochondrial Involvement in the Adaptive Response to Chronic Exposure to Environmental Pollutants and High-Fat Feeding in a Rat Liver and Testis. Cells 2019, 8, 834.

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