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Regulation of the spermatogonial stem cell niche Kostereva N; Hofmann MCReprod Domest Anim 2008[Jul]; 43 Suppl 2 (Suppl 2): 386-92Spermatogonial stem cells (SSCs) reside within specialized microenvironments called 'niches', which are essential for their maintenance and self-renewal. In the mammalian testis, the main components of the niche include the Sertoli cell, the growth factors that this nursing cell produces, the basement membrane, and stimuli from the vascular network between the seminiferous tubules. This review focuses on signalling pathways maintaining SSCs self-renewal and differentiation and describes potential mechanisms of regulation of the spermatogonial stem cell niche.|Animals[MESH]|Glial Cell Line-Derived Neurotrophic Factor/*metabolism[MESH]|Male[MESH]|Mammals/*metabolism[MESH]|Signal Transduction[MESH]|Spermatogonia/*cytology/*metabolism[MESH]|Stem Cells/*cytology[MESH]|Transcription Factors/metabolism[MESH] |
