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Related Concept Videos

Spermatogenesis01:41

Spermatogenesis

102.8K
Spermatogenesis is the process by which haploid sperm cells are produced in the male testes. It starts with stem cells located close to the outer rim of seminiferous tubules. These spermatogonial stem cells divide asymmetrically to give rise to additional stem cells (meaning that these structures “self-renew”), as well as sperm progenitors, called spermatocytes. Importantly, this method of asymmetric mitotic division maintains a population of spermatogonial stem cells in the male...
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Stem Cell Niche01:26

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The stem cell niche is the dynamic microenvironment where stem cells reside. Inside these niches, the cells may remain undifferentiated, undergo high self-renewal, or become lineage-specific progenitors. Stem cells coexist with other niche cells, such as stromal cells. They also interact closely with the ECM. Cell-cell and cell-matrix communication occur via adhesion molecules or soluble factors that signal the stem cells and determine their fate. Stromal cells also provide survival signals to...
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Maintenance of the ES Cell State01:14

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The cells of the blastocyst inner cell mass only remain pluripotent for a short time. This state of pluripotency and self-renewal can be maintained in embryonic stem (ES) cell culture by adding specific chemicals or growth factors to ensure the cells can continue dividing and later differentiate into different cell types. In some cases, the cells are grown on a feeder layer of differentiated cells, which provides the growth factors and extracellular matrix components necessary for stem cell...
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Embryonic Stem Cells00:58

Embryonic Stem Cells

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Embryonic stem (ES) cells are undifferentiated pluripotent cells, meaning they can produce any cell type in the body. This gives them tremendous potential in science and medicine since they can generate specific cell types for use in research or to replace body cells lost due to damage or disease.
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Related Experiment Video

Updated: Aug 6, 2025

Serial Enrichment of Spermatogonial Stem and Progenitor Cells SSCs in Culture for Derivation of Long-term Adult Mouse SSC Lines
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Serial Enrichment of Spermatogonial Stem and Progenitor Cells SSCs in Culture for Derivation of Long-term Adult Mouse SSC Lines

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Progress on spermatogonial stem cell microenvironment.

Zhi-Xin Yu1, Peng-Yu Li1, Kai Li1

  • 1State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing 100005, China.

Yi Chuan = Hereditas
|March 17, 2023
PubMed
Summary
This summary is machine-generated.

Spermatogonial stem cells (SSCs) are crucial for male fertility. Their surrounding microenvironment significantly regulates SSC function, offering hope for treating male infertility.

Keywords:
differentiationhormone regulationmicroenvironmentself-renewalspermatogonia stem cells

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Last Updated: Aug 6, 2025

Serial Enrichment of Spermatogonial Stem and Progenitor Cells SSCs in Culture for Derivation of Long-term Adult Mouse SSC Lines
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Enrichment of Pachytene Spermatocytes and Spermatids from Mouse Testes Using Standard Laboratory Equipment
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Area of Science:

  • Reproductive Biology
  • Stem Cell Biology
  • Developmental Biology

Background:

  • Spermatogonial stem cells (SSCs) are essential germ cells in the testis, possessing self-renewal and differentiation capabilities.
  • The microenvironment plays a critical role in regulating SSC fate and function.
  • Understanding SSCs offers potential therapeutic avenues for male infertility.

Approach:

  • This review summarizes the cellular composition of the mouse SSC microenvironment.
  • It details the regulatory factors influencing SSCs within their niche.
  • Key characteristics of the SSC microenvironment are examined.

Key Points:

  • The SSC microenvironment integrates signals from various components, including cells, extracellular matrix, molecules, and hormones.
  • Specific cellular players and molecular signals within the niche are crucial for SSC maintenance.
  • Research into the SSC microenvironment is advancing rapidly, with implications for regenerative medicine.

Conclusions:

  • The SSC microenvironment is a complex regulatory system vital for male germline stem cell function.
  • Further investigation into diverse cell phenotypes and microenvironmental factors is warranted.
  • This knowledge is foundational for developing future treatments for male reproductive disorders.