Live offspring from cryopreserved embryos following in vitro growth, maturation and fertilization of oocytes derived from preantral follicles in mice

Hideyuki H. Motohashi, Tadashi Sankai, Hidemi Kada

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

This study was undertaken to examine pre- and postimplantation developmental potency of cryopreserved embryos that had undergone in vitro growth (IVG), maturation (IVM) and fertilization (IVF) of oocytes from the preantral follicle stage. An oocyte culture system for IVG and IVM was used in oocyte-granulosa cell complexes (OGCs) derived from preantral follicles in 12-day-old mice. The rate of oocyte maturation was improved by the addition of gonadotropins (FSH / LH) and cytokines (IGF-I / SCF) to culture medium for IVG. During culture for IVG, estradiol-17β and progesterone concentrations increased progressively to the latter period of culture. This culture system enabled IVG, IVM, IVF and pre- and postimplantation development. From 90 cryopreserved 2-cell stage embryos transferred into recipients after warming, 10 live pups were produced. Cryopreservation of embryos by vitrification at the 2-cell stage showed no harmful effect on development to the blastocyst stage or on the cell numbers of the inner cell mass (ICM) and trophectoderm (TE). This study demonstrated that embryos derived from oocytes grown in vitro have tolerance for vitrification and competence to develop to term after warming. This IVG-IVM-IVF technology combined with embryo cryopreservation might be useful for assisted reproduction in mice.

Original languageEnglish
Pages (from-to)715-722
Number of pages8
JournalJournal of Reproduction and Development
Volume57
Issue number6
DOIs
Publication statusPublished - Sep 16 2011
Externally publishedYes

Fingerprint

fertilization (reproduction)
embryo (animal)
oocytes
mice
vitrification
cryopreservation
cells
assisted reproductive technologies
granulosa cells
gonadotropins
insulin-like growth factor I
blastocyst
in vitro culture
pups
estradiol
progesterone
cytokines
culture media

Keywords

  • Embryo vitrification
  • Full-term development
  • Oocyte growth and maturation in vitro
  • Oocyte-granulosa cell complexes
  • Preantral follicle

ASJC Scopus subject areas

  • Animal Science and Zoology

Cite this

Live offspring from cryopreserved embryos following in vitro growth, maturation and fertilization of oocytes derived from preantral follicles in mice. / Motohashi, Hideyuki H.; Sankai, Tadashi; Kada, Hidemi.

In: Journal of Reproduction and Development, Vol. 57, No. 6, 16.09.2011, p. 715-722.

Research output: Contribution to journalArticle

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