Related Experiment Video
Updated: May 10, 2026

14:01
Isolation and Derivation of Mouse Embryonic Germinal Cells
Published on: October 22, 2009
GASZ promotes germ cell derivation from embryonic stem cells
Qian Wang1, Xiqiang Liu, Nannan Tang
1Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai, China.
Stem Cell Research
|July 3, 2013
Summary
Gasz promotes primordial germ cell (PGC) formation from embryonic stem cells (ESCs). Gasz interacts with DAZL, a key regulator, to enhance germ cell development and provides a model for studying early germ cell pathways.
Area of Science:
- Developmental Biology
- Stem Cell Biology
- Reproductive Biology
Background:
- Primordial germ cells (PGCs) are crucial for reproduction, but their early development is poorly understood.
- Limited numbers of PGCs in early embryos hinder research into their regulatory networks.
Purpose of the Study:
- To investigate the molecular mechanisms governing early germ cell development.
- To identify key genes involved in PGC formation and differentiation.
Main Methods:
- Utilized an in vitro differentiation model of embryonic stem cells (ESCs).
- Screened candidate genes expressed in adult reproductive organs.
- Analyzed the role of Gasz and its interaction with DAZL.
Main Results:
- Gain of function of Gasz significantly upregulated PGC formation from human and murine ESCs.
- Gasz deficiency reduced germ cell numbers and decreased MVH and DAZL expression during embryonic development.
- GASZ was found to interact with DAZL to synergistically promote germ cell derivation from ESCs.
Conclusions:
- Gasz plays a potential role in embryonic germ cell development.
- The study provides a powerful in vitro system for dissecting molecular pathways in early germ cell formation.
Related Concept Videos
Embryonic Stem Cells
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.
Embryonic Stem Cells
Embryonic stem (ES) cells were first discovered in mice in 1981 by Martin Evans. In 1998, James Thomson identified a method to isolate embryonic stem cells from humans. Human embryonic stem cells (hESCs) are obtained from 3-5 day old embryos that remain unused after an in vitro fertilization procedure.
ES cells are grown in a culture medium where they can divide indefinitely, creating ES cell lines. Under certain conditions, ES cells can differentiate, either spontaneously into a variety of...
ES cells are grown in a culture medium where they can divide indefinitely, creating ES cell lines. Under certain conditions, ES cells can differentiate, either spontaneously into a variety of...
Zygotic Development And Stem Cell Formation
The development of all multicellular organisms starts with the fusion of haploid cells called sperm and egg to form a diploid zygote. A zygote is a totipotent cell that can develop into a complete organism. The zygote undergoes cell division or cleavage to form an 8-cell mass. Until this stage, the cells are spherical, loosely attached, and remain totipotent. Totipotent cells are capable of developing both the embryonic and the extraembryonic tissues. However, as they continue to divide, they...
Maintenance of the ES Cell State
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...

