Abstract
Objective: To investigate the effects of exogenous α-linolenic acid (ALA) on in vitro maturation (IVM) and developmental competence of human oocytes. Methods: Experiment 1 examined the effects of ALA at different concentrations (0 [control], 10, 50, 100, and 200 μmol/L) in the IVM medium on oocyte maturation. Treatment with 50 μmol/L ALA significantly accelerated oocyte maturation (P Results: Treatment with 50 μmol/L ALA obviously accelerated oocyte maturation (P Conclusions: Our results suggested that the treatment with 50 μmol/L ALA during IVM improves maturation in human oocytes. It is also likely to improve embryo availability and blastocyst formation. This might be associated with the alteration of mtDNA replication (increased mtDNA copy number) and the reduction of oxidative stress (reduced MDA level).
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