Nov 6, 2018

Dynamic transcriptome profiles within spermatogonial and spermatocyte populations during postnatal testis maturation revealed by single-cell sequencing

BioRxiv : the Preprint Server for Biology
Kathryn J GrivePaula E Cohen


Spermatogenesis is the process by which male gametes are formed from a self-renewing population of spermatogonial stem cells (SSCs) residing in the testis. SSCs represent less than 1% of the total testicular cell population, but must achieve a stable balance between self-renewal and differentiation. Once differentiation has occurred, the newly formed and highly proliferative spermatogonia must then enter the meiotic program in which DNA content is doubled, then halved twice to create haploid gametes. While much is known about the critical cellular processes that take place during the specialized cell division that is meiosis, much less is known about how the spermatocytes in the “first-wave” compare to those that contribute to long-term, “steady-state” spermatogenesis. Given the strictly-defined developmental process of spermatogenesis, this study was aimed at exploring the transcriptional profiles of developmental cell stages over the age of the animal. Using a combination of comprehensive germ cell sampling with high-resolution, single-cell-mRNA-sequencing, we have generated a reference dataset of germ cell gene expression. We show that discrete developmental stages possess significant differences in the transcriptional profi...Continue Reading

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Mentioned in this Paper

Meiotic Cell Cycle
Biochemical Pathway
Benign Neoplasm of Testis
Cellular Process
Non-small Cell Lung Cancer Stage I
Neoplasm of Uncertain or Unknown Behavior of Testis
Transcription, Genetic
Mature Testicular Teratoma
Cell Division

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