期刊
REPRODUCTIVE BIOLOGY AND ENDOCRINOLOGY
卷 17, 期 -, 页码 -出版社
BMC
DOI: 10.1186/s12958-019-0466-y
关键词
Nrf2; Keap1; Dimethylfumarate; Oxidative stress; Ovarian reserve; Infertility
资金
- Ministry of Education, Science and Culture [18 k09248]
- Japan Agency for Medical Researchand Development [17gk0110014h0002, 18k0210018h0001]
- Ministry of Health, Labour and Welfare
Background: Age-associated infertility is a problem worldwide, and management of oxidative stress is known to be essential. Nuclear factor-E2-related factor 2 (Nrf2)/Kelch-like ECH-associated protein 1 (Keap1)-antioxidant response element (ARE) signaling pathway works as an essential defense mechanism against oxidative stress, and an oral drug Dimethylfumarate (DMF) is known to activate the pathway. Methods: We tested the hypothesis that oral DMF could alleviate oxidative stress in the ovary, resulting in salvation of age-associated infertility in a mouse model of reproductive age, and we examined the effects of DMF administration. 20mg/kg DMF was administrated to female mice from 32 to 48weeks, and Nrf2 levels, antioxidant levels, ovarian reserve, DNA damage, and oxidative stress were examined. Results: DMF administration resulted in elevated mRNA and protein levels of Nrf2, antioxidants, and telomere, and serum levels of Nrf2 and anti-mullerian hormone were also elevated. Results of TUNEL assay and Immunohistochemistry of mice ovarian tissues showed that DNA damage and oxidative stress were decreased by DMF administration, and significantly more oocytes were collected along with preservation of 60% more primordial follicles. Conclusions: Our data suggest that DMF administration activates the Nrf2/Keap1 pathway, elevate levels of antioxidants, and decrease DNA damage and oxidative stress, resulting in improved ovarian reserve in the mouse ovary.
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