Cryopreservation and in vitro culture of caprine preantral follicles
J. R. Figueiredo A E F , A. P. R. Rodrigues A , J. R. V. Silva B and R. R. Santos C D
+ Author Affiliations
- Author Affiliations
A Laboratory of Manipulation of Oocytes and Preantral Follicles (LAMOFOPA), Faculty of Veterinary, State University of Ceará, Fortaleza, Ceará, Brazil.
B Biotechnology Nucleus of Sobral – NUBIS, Federal University of Ceará, Sobral, Ceará, Brazil.
C Department of Equine Sciences, Veterinary Pharmaceuticals, Pharmacology and Toxicology Division, Faculty of Veterinary Medicine, Utrecht University, Utrecht, Yalelaan 114, 3584CM, The Netherlands.
D Laboratory of Biology and Medicine of Wild Mammals from Amazonia, Federal University of Pará, Belém, Pará, Rua Augusto Corrêa, Campus Básico, CEP 66075-110, Brazil.
E Present address: Universidade Estadual do Ceará (UECE), Faculdade de Veterinária, Programa de Pós-Graduação em Ciências Veterinárias (PPGCV), Laboratório de Manipulação de Oócitos e Folículos Pré-Antrais (LAMOFOPA), Av. Paranjana, 1700, Campus do Itaperi, Fortaleza, CE 60740-000, Brasil.
F Corresponding author. Email: jrfig@pq.cnpq.br
Reproduction, Fertility and Development 23(1) 40-47 https://doi.org/10.1071/RD10227
Published: 7 December 2010
Abstract
Preantral follicles (PFs) form a far larger oocyte reservoir (∼90% of the follicular population) than antral follicles. Several laboratories have focussed efforts on cryopreservation and in vitro culture (IVC) of PFs to obtain large numbers of fertilisable oocytes. This technology could be used to improve the reproductive potential of economically important animals, including goats, to preserve endangered species and breeds and improve fertility after chemotherapy in young women. Caprine PFs have been successfully cryopreserved using either vitrification or slow freezing. In addition, in vitro embryo production from oocytes enclosed in caprine PFs grown and matured in vitro was also achieved. The present paper selectively reviews the published studies on cryopreservation and IVC of caprine PFs to highlight advances, limitations and prospects.
Additional keywords: embryo, freezing, gene expression, goat, IVC, vitrification.
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