Cultivation and transfer of porcine type A spermatogonia

Cultivation and transfer of porcine type A spermatogonia A cell population enriched with type A spermatogonia has been isolated from the boar testes. Cell types occurring during isolation were morphologically characterized, factors maintaining the cultured spermatogonia in the undifferentiated state were studied, and these cells were transferred to sterile recipients preliminarily treated with busulfan. The cells of spermatogenic epithelium cultivated in vitro for 24 h were used for transfer experiments. The transfer efficiency was estimated within 27 and 29 days according to the histological picture of the testes and the isolated cultures. Spermatogenic cells at various developmental stages and a few Sertoli cells and spermatozoa were found on sections and in cell suspensions. Sperm samples could be taken from recipient boars within nine months after the transfer. Microsatellite analysis of DNA showed the endogenous pattern of spermatogenesis. Thus, it was shown that spermatogenic donor cells can restore and maintain spermatogenesis of a recipient for at least 30 days. However, the donor cells were fully forced by the recipient reserve cells, type A0 spermatogonia, within eight to nine months. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Developmental Biology Springer Journals

Cultivation and transfer of porcine type A spermatogonia

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Publisher
Nauka/Interperiodica
Copyright
Copyright © 2006 by Pleiades Publishing, Inc.
Subject
Life Sciences; Developmental Biology; Animal Anatomy / Morphology / Histology
ISSN
1062-3604
eISSN
1608-3326
D.O.I.
10.1134/S1062360406040060
Publisher site
See Article on Publisher Site

Abstract

A cell population enriched with type A spermatogonia has been isolated from the boar testes. Cell types occurring during isolation were morphologically characterized, factors maintaining the cultured spermatogonia in the undifferentiated state were studied, and these cells were transferred to sterile recipients preliminarily treated with busulfan. The cells of spermatogenic epithelium cultivated in vitro for 24 h were used for transfer experiments. The transfer efficiency was estimated within 27 and 29 days according to the histological picture of the testes and the isolated cultures. Spermatogenic cells at various developmental stages and a few Sertoli cells and spermatozoa were found on sections and in cell suspensions. Sperm samples could be taken from recipient boars within nine months after the transfer. Microsatellite analysis of DNA showed the endogenous pattern of spermatogenesis. Thus, it was shown that spermatogenic donor cells can restore and maintain spermatogenesis of a recipient for at least 30 days. However, the donor cells were fully forced by the recipient reserve cells, type A0 spermatogonia, within eight to nine months.

Journal

Russian Journal of Developmental BiologySpringer Journals

Published: Jul 17, 2006

References

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