Abstract Title:

Dietary lipids modify redox homeostasis and steroidogenic status in rat testis.

Abstract Source:

Phytother Res. 2010 Feb;24(2):163-8. PMID: 18549927

Abstract Author(s):

Graciela E Hurtado de Catalfo, María J T de Alaniz, Carlos A Marra


OBJECTIVE: The present study explored the effect of dietary oils on lipid composition, antioxidant status, and the activity of the main steroidogenic enzymes in the testis. METHODS: Forty Wistar rats were randomly assigned to one of four groups (n = 10) fed for 60 d on the same basal diet plus different lipid sources as commercial oils: soybean, olive, coconut, or grapeseed. After sacrifice, testicular lipids and fatty acid composition, free radical biomarkers, antioxidant levels, hormones, and steroidogenic enzymes were determined. RESULTS: The lipid composition of diets produced significant changes in neutral/phospholipids, free/esterified cholesterol, and plasmalogen proportion. Fatty acid patterns of these lipids were also strongly modified, influencing the double bond index. We also found a close correlation between the type of diet and the generation of free radicals. The oxidative stress in testes was higher with the grapeseed oil-supplemented diet and decreased with the other diets in this order: soybean oil > olive oil > coconut oil. Animals fed with the olive oil and coconut oil diets showed the highest testicular levels of antioxidants in addition to significantly high levels of testosterone and 3beta- or 17beta-hydroxysteroid dehydrogenase enzymes. CONCLUSION: Different oils in the diets strongly modified the homeostasis of the testicular antioxidant defense system and, in consequence, affected steroidogenic function, showing a clear correlation with the damage induced. According to our results, an appropriate mixture of olive and soybean oils could be a healthy recommendation.

Study Type : Animal Study

Print Options


Login to Comment

Commenting is limited to Members only. If you are already a member, please login to post a comment. If you do not have a member account and would like to become a member, please click here to begin the process to become a member.

Key Research Topics

This website is for information purposes only. By providing the information contained herein we are not diagnosing, treating, curing, mitigating, or preventing any type of disease or medical condition. Before beginning any type of natural, integrative or conventional treatment regimen, it is advisable to seek the advice of a licensed healthcare professional.

© Copyright 2008-2016 GreenMedInfo.com, Journal Articles copyright of original owners, MeSH copyright NLM.