4.7 Article

Astaxanthin improves the development of the follicles and oocytes through alleviating oxidative stress induced by BPA in cultured follicles

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SCIENTIFIC REPORTS
卷 12, 期 1, 页码 -

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NATURE PORTFOLIO
DOI: 10.1038/s41598-022-11566-1

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资金

  1. Scientific and Technological Research Project of Jilin Province [20200201132JC]
  2. Hygiene and Health Research Project of Jilin Province for the training of high-tech youth talents [2018Q047]
  3. Scientific and Technological Innovation Project of Jilin City [201831721, 20190403224]
  4. Thirteenth Five-Year Scientific and Technological Research Projects of Education Department of Jilin Province [JJKH20191065KJ, JJKH20200454KJ]
  5. Traditional Chinese Medicine Science and Technology Development Program of Shandong Province [2019-0463]
  6. Undergraduate Training Programs for Innovation and Entrepreneurship of Jilin Province [201913706031, 202013706019]

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This study found that astaxanthin can improve the damage to follicles caused by BPA-induced oxidative stress, and enhance the development of cultured follicles and oocytes. Astaxanthin can increase the antioxidant capacity of follicles and oocytes, and relieve the oxidative stress induced by BPA.
This study is to investigate whether astaxanthin could alleviate the oxidative stress damages of follicles induced by BPA and improve the development of the cultured follicles and oocytes. Compared with BPA group, the survival rate, antrum formation rate, oocyte maturation rate and adherence area of the D8 and D10 follicles of the BPA+Asta group were significantly higher. The estrogen and progesterone in the culture medium of BPA+Asta group were significantly higher. PCNA in D8 and D10 granulosa cells and ER alpha in D10 granulosa cells of follicles in BPA+Asta group were significantly higher. The levels of malondialdehyde in the follicle culture medium, levels of ROS in the oocytes, the expression levels of caspase 3 and cathepsin B in the oocytes of the BPA+Asta group were significantly lower. However, the mitochondrial membrane potential, and the expression levels of antioxidant genes (CAT, SOD1 and SOD2) and anti-apoptotic gene Bcl-2 in the oocytes in the BPA+Asta group were significantly higher. Astaxanthin improves the development of follicles and oocytes through increasing the antioxidant capacity of follicles and oocytes, and relieving the BPA-induced oxidative stress during follicular development and oocyte maturation.

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