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Author Spotlight: Studying the Impact of Maternal Dietary Deficiencies on Long-Term Offspring Health Outcomes
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Choline supplementation influences ovarian follicular development
Xiaoshu Zhan1,2, Lauren Fletcher2, Serena Dingle2
1Department of Life Science and Engineering, Foshan University, 528231 Foshan, Guangdong, China.
Frontiers in Bioscience (Landmark Edition)
|January 7, 2022
Summary
Choline supplementation significantly increased the number of corpus luteum and antral follicles in pigs, indicating improved ovarian function. This study reveals choline
Area of Science:
- Reproductive Biology
- Nutritional Science
- Animal Science
Background:
- Female infertility presents challenges in both human and animal reproduction, necessitating exploration of novel therapeutic strategies.
- Choline, an essential nutrient and common supplement, is recognized for its role in fetal development and managing endocrine disorders like PCOS.
- The specific impact of choline on ovarian function remains largely unexplored, highlighting a gap in current reproductive health research.
Purpose of the Study:
- To investigate the effects of dietary choline supplementation on ovarian development and function in a porcine model.
- To elucidate the molecular mechanisms underlying choline's influence on ovarian phenotypes.
- To assess the combined effects of choline and Omega-3 fatty acids on reproductive parameters.
Main Methods:
- Thirty-six female pigs were assigned to four dietary groups: Control, Choline-supplemented, Omega-3-supplemented, and Choline + Omega-3-supplemented.
- Diets were administered from 90 to 186 days of age, with choline at 500 mg/kg and Omega-3 at 5556 mg/kg.
- Ovarian function was assessed by counting corpus luteum and antral follicles, and gene expression (LHR, CYP11A1, FSHR) and serum metabolites were analyzed.
Main Results:
- Choline supplementation, with or without Omega-3, significantly increased the number of corpus luteum per ovary compared to controls.
- The Choline + Omega-3 group exhibited a higher percentage of antral follicles.
- Choline upregulated the expression of LHR and CYP11A1 genes and miR-574, while also increasing a phosphatidylcholine metabolite and tending to reduce testosterone levels.
Conclusions:
- Dietary choline positively influences ovarian function and development in pigs, as evidenced by increased corpus luteum and antral follicle counts.
- Molecular mechanisms involve the upregulation of key genes like LHR and CYP11A1 and specific microRNAs.
- Choline represents a promising nutritional strategy for enhancing female reproductive health.
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