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Updated: Jul 29, 2026
09:42
Efficient Differentiation of Mouse Embryonic Stem Cells into Motor Neurons
Published on: June 9, 2012
Mouse embryonic stem (ES) cell lines established from neuronal cell-derived cloned blastocysts
1Reproductive Genetics Unit, Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California, San Francisco 94143-0720, USA. kawase8@itsa.ucsf.edu
Genesis (New York, N.Y. : 2000)
|December 6, 2000
Summary
Researchers created mouse embryonic stem (ES) cell lines from neuronal cells using nuclear transfer. These reprogrammed cells demonstrated pluripotency and potential for cell-based therapies.
Area of Science:
- Stem cell biology
- Reproductive biology
- Developmental biology
Background:
- Embryonic stem (ES) cells are crucial for developmental studies and regenerative medicine.
- Nuclear transfer is a technique used to create genetically identical cells or organisms.
- Reprogramming somatic cells to a pluripotent state remains a key challenge in stem cell research.
Purpose of the Study:
- To establish mouse embryonic stem (ES) cell lines from blastocysts generated via nuclear transfer of fetal neuronal cells.
- To investigate the reprogramming efficiency and pluripotency of ES cells derived from somatic cell nuclei.
- To explore the potential applications of these reprogrammed ES cells in research and therapy.
Main Methods:
- Nuclear transfer of fetal neuronal cell nuclei into enucleated oocytes.
- Derivation and culture of embryonic stem (ES) cell lines from resulting blastocysts.
- Characterization of ES cell properties, including cell markers, alkaline phosphatase activity, karyotype, and pluripotency.
- Assessment of neuronal marker expression and differentiation potential.
Main Results:
- Successfully established mouse ES cell lines from nuclear transfer-derived blastocysts.
- The derived ES cells exhibited characteristic ES cell markers, alkaline phosphatase activity, and a normal karyotype.
- These ES cells demonstrated pluripotency, differentiating into all three germ layers.
- Neuronal markers were downregulated, but the cells retained the capacity for neuronal differentiation.
- The results indicate successful reprogramming and acquisition of ES cell characteristics.
Conclusions:
- Embryonic stem (ES) cells can be derived from nuclear transfer embryos, demonstrating successful reprogramming of somatic cell nuclei.
- These reprogrammed ES cells possess pluripotency and can be differentiated into various cell types, including neurons.
- ES cells derived from somatic cell nuclear transfer offer valuable tools for studying reprogramming mechanisms.
- These cells hold promise as models for cell-based transplantation therapies.
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00:58Embryonic 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.
00:57Embryonic 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...