Journal
PRIMATES
Volume 57, Issue 1, Pages 129-135Publisher
SPRINGER JAPAN KK
DOI: 10.1007/s10329-015-0500-4
Keywords
Common marmoset; Testis; Germ cell culture
Categories
Funding
- Ministry of Education, Culture, Sports, Science, and Technology of Japan (MEXT)
- Ministry of Health, Labour, and Welfare
- Japan Society for the Promotion of Science (JSPS)
- National Institute of Biomedical Innovation and the Strategic Research Program for Brain Sciences from MEXT
- Funding Program for World-Leading Innovative R&D in Science and Technology (FIRST)
- Keio University
- Leave a Nest Grant Life Technologies Japan Award
- Interuniversity Bio-Backup Project for Basic Biology
- Brain Sciences Project of the Center for Novel Science Initiatives (CNTI), National Institutes of Natural Sciences (NINS)
- Otsuka Toshimi Foundation
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Spermatogonia are specialized cells responsible for continuous spermatogenesis and the production of offspring. Because of this biological property, in vitro culture of spermatogonia provides a powerful methodology to advance reproductive biology and engineering. However, methods for culturing primate spermatogonia are poorly established. We have designed a novel method for culturing spermatogonia in the common marmoset (Callithrix jacchus), a small primate. By using our method with a suite of growth factors, adult marmoset testis-derived germ cells could be cultured in the form of a floating sphere for several weeks. Notably, this method could be applied not only to freshly isolated cells but also to cryopreserved cell stocks. The spheres enriched spermatogonia and early spermatocytes, and could be assembled from a C-KIT+ spermatogonial population. Techniques for culturing spermatogonia could facilitate increased understanding of primate reproduction as well as the preservation of valuable biomaterials from nonhuman primates.
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