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In vivo dynamics of GFRα1-positive spermatogonia stimulated by GDNF signals using a bead transplantation assay.

Uchida A1, Kishi K1, Aiyama Y1, Miura K1, Takase HM2, Suzuki H2, Kanai-Azuma M2, Iwamori T3, Kurohmaru M1, Tsunekawa N1, Kanai Y4.
Biochemical and biophysical research communications.Biochem Biophys Res Commun.2016 Aug 5;476(4):546-52. doi: 10.1016/j.bbrc.2016.05.160. Epub 2016 May 31.
In mouse testes, spermatogonial stem cells (SSCs), a subpopulation of GFRα1 (GDNF family receptor-α1)-positive spermatogonia, are widely distributed along the convoluted seminiferous tubules. The proliferation and differentiation of the SSCs are regulated in part by local expression of GDNF (glial
PMID 27255992

[SUSTENTOCYTE NUMBERS IN THE NEONATAL PERIOD IN THE OFFSPRING OF FEMALE RATS WITH EXPERIMENTAL LIVER DAMAGE].

Briukhin GV, Sizonenko ML.
Morfologii︠a︡ (Saint Petersburg, Russia).Morfologiia.2016;149(1):69-71.
On serial histological sections of the testes, stained with hematoxylin-eosin, using a morphometric device, the total numbers of spermatogenic cells and sustentocytes (Sertoli cells) were measured in the convoluted seminiferous tubules of neonatal rat pups. Experimental groups consisted of rats born
PMID 27487667

A Niche for GFRα1-Positive Spermatogonia in the Terminal Segments of the Seminiferous Tubules in Hamster Testes.

Aiyama Y1, Tsunekawa N1, Kishi K1, Kawasumi M2, Suzuki H2, Kanai-Azuma M2, Kurohmaru M1, Kanai Y1.
Stem cells (Dayton, Ohio).Stem Cells.2015 Sep;33(9):2811-24. doi: 10.1002/stem.2065. Epub 2015 Jun 23.
In invertebrate species such as flies and nematodes, germline stem cells are maintained in a niche environment, which is restricted to the terminal end of the tubular structure in the gonads. In mice, spermatogonial stem cells (SSCs), a subpopulation of Asingle GFRα1 (glial cell line-derived neurot
PMID 26013732