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Spermatogenesis

Spermatogenesis

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 reproductive...

Spermatogenesis

Spermatogenesis

Spermatogenesis is a complex process that involves the development of sperm cells from undifferentiated stem cells in the seminiferous tubules of the testes. The process is essential for the production of mature and functional sperm cells that are capable of fertilizing an egg.
The process of spermatogenesis can be divided into mitosis, meiosis, and spermiogenesis. During mitosis, the spermatogonia or stem cells divide to produce two identical daughter cells, type A and B spermatogonia. Type-A...

Induced Pluripotent Stem Cells

Induced Pluripotent Stem Cells

Stem cells are undifferentiated cells that divide and produce different cell types. Ordinarily, cells that have differentiated into a specific cell type are terminally differentiated; however, scientists have found a way to reprogram these mature cells so that they dedifferentiate and return to an unspecialized, proliferative state. These cells are pluripotent like embryonic stem cells—able to produce all cell types—and are called induced pluripotent stem cells (iPSCs).
Somatic cells are...

Induced Pluripotent Stem Cells

Induced Pluripotent Stem Cells

Stem cells are undifferentiated cells that divide and produce different types of cells. Ordinarily, cells that have differentiated into a specific cell type are post-mitotic—that is, they no longer divide. However, scientists have found a way to reprogram these mature cells so that they “de-differentiate” and return to an unspecialized, proliferative state. These cells are also pluripotent like embryonic stem cells—able to produce all cell types—and are therefore called induced pluripotent stem...

Adult Stem Cells

Adult Stem Cells

Stem cells are undifferentiated cells that divide and produce more stem cells or progenitor cells that differentiate into mature, specialized cell types. All the cells in the body are generated from stem cells in the early embryo, but small populations of stem cells are also present in many adult tissues including the bone marrow, brain, skin, and gut. These adult stem cells typically produce the various cell types found in that tissue—to replace cells that are damaged or to continuously renew...

Clinical Applications of Epidermal Stem Cells

Clinical Applications of Epidermal Stem Cells

Epidermal stem cells (EpiSCs) are mainly located at the basal layer of the epidermis. These cells repair minor injuries of the skin and replace dead skin cells. However, EpiSCs’ cannot heal severe wounds such as major burns or those from diabetes or hereditary disorders. In such cases, culturing the epidermal stem cells from the patient is possible and has yielded successful treatment options, such as laboratory-grown skin grafts. These grafts are synthesized using a patient’s own EpiSCs...

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Related Experiment Video

Updated: Jul 8, 2026

Mouse Round Spermatid Injection

Mouse Round Spermatid Injection

Published on: January 26, 2024

Is there a clinical future for spermatogonial stem cells?

Ellen Goossens¹, Goossens Ellen, Herman Tournaye

¹Centre for Reproductive Medicine, University Hospital of the Free University of Brussels (AZ-VUB), Laarbeeklaan 101, 1090 Brussels, Belgium. Ellen.goossens@az.vub.ac.be

Current Stem Cell Research & Therapy

|January 29, 2008

Summary

Spermatogonial stem cell transplantation (SSCT) offers promising fertility restoration for cancer patients. Research explores decontamination, in-vitro culture, and cryopreservation for safe and effective male fertility preservation.

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Published on: February 25, 2013

Germ Cell Transplantation and Testis Tissue Xenografting in Mice

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Last Updated: Jul 8, 2026

Mouse Round Spermatid Injection

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Published on: January 26, 2024

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

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

Published on: February 25, 2013

Germ Cell Transplantation and Testis Tissue Xenografting in Mice

Germ Cell Transplantation and Testis Tissue Xenografting in Mice

Published on: February 6, 2012

Area of Science:

Reproductive Biology
Stem Cell Science
Oncology

Background:

Spermatogonial stem cells (SSCs) are crucial for male fertility, possessing self-renewal and differentiation capabilities.
Preserving male reproductive potential is vital, especially for young cancer patients undergoing treatments that may impair fertility.

Purpose of the Study:

To review current and potential methods for male fertility preservation using SSCs.
To discuss the risks and decontamination strategies associated with SSC transplantation.
To explore alternative methods like in-vitro culture and cryopreservation for SSCs.

Main Methods:

Review of existing literature on spermatogonial stem cell transplantation (SSCT).
Discussion of decontamination strategies for cancerous cells in testicular samples.
Exploration of in-vitro SSC culture and xenogeneic transplantation concepts.
Analysis of cryopreservation protocols for SSCs and testicular tissue.

Main Results:

SSCT is a promising fertility restoration technique but carries risks of malignant cell contamination.
In-vitro SSC culture and xenogeneic approaches present alternatives, though with ethical and biological considerations.
Efficient cryopreservation protocols are essential for clinical applications of SSC-based therapies.

Conclusions:

Spermatogonial stem cell research offers significant potential for male fertility preservation and other therapeutic applications.
Further research into decontamination, culture, and cryopreservation is needed for clinical translation of SSCT and SSC culture.
SSC studies also hold promise for transgenerational gene therapy and organ regeneration.