Cryopreservation of ovarian tissue: An emerging technology for female germline preservation of endangered species and breeds

Many hundreds of exotic species and domestic animal breeds have been lost over the course of the last few decades. In order to avoid a similar fate to other animals threatened with extinction, it is crucial to develop and apply rescue strategies to ensure their survival for the future. One option as...

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Bibliographic Details
Published in:Animal reproduction science 2010-12, Vol.122 (3), p.151-163
Main Authors: Santos, R.R., Amorim, C., Cecconi, S., Fassbender, M., Imhof, M., Lornage, J., Paris, M., Schoenfeldt, V., Martinez-Madrid, B.
Format: Article
Language:English
Subjects:
animal tissues
Animals
Breeds
Conservation of Natural Resources
Cryopreservation
Cryopreservation - methods
Cryopreservation - veterinary
Endangered
Endangered Species
Female
germ cells
Germline
literature reviews
Livestock
Models, Biological
Oocytes - physiology
Ovarian Follicle - physiology
ovaries
Ovary
Ovary - physiology
Ovary - transplantation
Species
Tissue Banks
Tissue Preservation - methods
Tissue Preservation - veterinary
Transplantation, Heterologous
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Summary:Many hundreds of exotic species and domestic animal breeds have been lost over the course of the last few decades. In order to avoid a similar fate to other animals threatened with extinction, it is crucial to develop and apply rescue strategies to ensure their survival for the future. One option as a safeguard measure is the cryopreservation of the main source of female gametes enclosed within the ovary: the primordial follicles. So far, there are three options to cryopreserve small ovarian follicles: whole ovary, ovarian cortical tissue or isolated follicles, with the use of slow freezing or vitrification methods. After cryopreservation, the harvested material can be transplanted or cultured, with the aim to produce mature fertilizable oocytes. The objective of this review is to summarize the current status of the cryopreservation of ovarian tissue in domestic species and non-endangered wild mammals as model for threatened and endangered species and breeds, and to provide new insights into techniques that can be applied in the future.
ISSN:0378-4320
1873-2232
DOI:10.1016/j.anireprosci.2010.08.010