Oocyte quality following in vitro follicle development

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    1 Scopus citations

    Abstract

    In vitro follicle development (IVFD) is an adequate model to obtain basic knowledge of folliculogenesis and provides a tool for ovarian toxicity screening. IVFD yielding competent oocytes may also offer an option for fertility and species preservation. To promote follicle growth and oocyte maturation in vitro, various culture systems are utilized for IVFD in rodents, domestic animals, wild animals, nonhuman primates, and humans. Follicle culture conditions have been improved by optimizing gonadotropin levels, regulatory factors, nutrient supplements, oxygen concentration, and culture matrices. This review summarizes quality assessment of oocytes generated from in vitro-developed antral follicles from the preantral stage, including oocyte epigenetic and genetic profile, cytoplasmic and nuclear maturation, preimplantation embryonic development following in vitro fertilization, as well as pregnancy and live offspring after embryo transfer. The limitations of oocyte quality evaluation following IVFD and the gaps in our knowledge of IVFD to support proper oocyte development are also discussed. The information may advance our understanding of the requirements for IVFD, with a goal of producing competent oocytes with genetic integrity to sustain embryonic development resulting in healthy offspring.

    Original languageEnglish (US)
    Pages (from-to)291-315
    Number of pages25
    JournalBiology of reproduction
    Volume106
    Issue number2
    DOIs
    StatePublished - Feb 1 2022

    Keywords

    • Follicle culture
    • In vitro follicle development
    • Oocyte competence
    • Oocyte maturation
    • Oocyte quality

    ASJC Scopus subject areas

    • Reproductive Medicine

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