Molecular dissection of the male germ cell lineage identifies putative spermatogonial stem cells in rhesus macaques.
Molecular dissection of the male germ cell lineage identifies putative spermatogonial stem cells in rhesus macaques.
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DOI:
10.1093/humrep/dep073
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发表时间:
2009-07
期刊:
影响因子:
--
通讯作者:
Orwig KE
中科院分区:
文献类型:
--
作者:
Hermann BP;Sukhwani M;Simorangkir DR;Chu T;Plant TM;Orwig KE
The spermatogonial stem cell (SSC) pool in the testes of non-human primates is poorly defined. To begin characterizing SSCs in rhesus macaque testes, we employed fluorescence-activated cell sorting (FACS), a xenotransplant bioassay and immunohistochemical methods and correlated our findings with classical descriptions of germ cell nuclear morphology (i.e. Adark and Apale spermatogonia). FACS analysis identified a THY-1+ fraction of rhesus testis cells that was enriched for consensus SSC markers (i.e. PLZF, GFRα1) and exhibited enhanced colonizing activity upon transplantation to nude mouse testes. We observed a substantial conservation of spermatogonial markers from mice to monkeys [PLZF, GFRα1, Neurogenin 3 (NGN3), cKIT]. Assuming that molecular characteristics correlate with function, the pool of putative SSCs (THY-1+, PLZF+, GFRα1+, NGN3+/−, cKIT−) comprises most Adark and Apale and is considerably larger in primates than in rodents. It is noteworthy that the majority of Adark and Apale share a common molecular phenotype, considering their distinct functional classifications as reserve and renewing stem cells, respectively. NGN3 is absent from Adark, but is expressed by some Apale and may mark the transition from undifferentiated (cKIT−) to differentiating (cKIT+) spermatogonia. Finally, the pool of transit-amplifying progenitor spermatogonia (PLZF+, GFRα1+, NGN3+, cKIT+/−) is smaller in primates than in rodents. These results provide an in-depth analysis of molecular characteristics of primate spermatogonia, including SSCs, and lay a foundation for future studies investigating the kinetics of spermatogonial renewal, clonal expansion and differentiation during primate spermatogenesis.
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DOI:
10.1084/jem.148.5.1351
发表时间:
1978-11-01
期刊:
The Journal of experimental medicine
影响因子:
--
作者:
Goldschneider I;Gordon LK;Morris RJ
通讯作者:
Morris RJ
影响因子:
3.6
作者:
DYM, M;JIA, MC;RAVINDRANATH, N
通讯作者:
RAVINDRANATH, N
DOI:
10.1073/pnas.89.7.2804
发表时间:
1992-04-01
影响因子:
11.1
作者:
BAUM, CM;WEISSMAN, IL;PEAULT, B
通讯作者:
PEAULT, B
影响因子:
15.9
作者:
Fujita, K;Ohta, H;Okuyama, A
通讯作者:
Okuyama, A
影响因子:
--
作者:
CLERMONT, Y;ANTAR, M
通讯作者:
ANTAR, M