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The Journal of Visualized Experiments (JoVE) is a peer reviewed, PubMed-indexed video journal. Our mission is to increase the productivity of scientific research.

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Culture of Mouse Neural Stem Cell Precursors

1, 2, 3, 2

1Department of Developmental and Cell Biology, University of California, Irvine (UCI), 2Department of Pathology, University of California, Irvine (UCI), 3Department of Physiology and Biophysics, University of California, Irvine (UCI)

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Cite this Article: Culture of Mouse Neural Stem Cell Precursors

Currle, D. S., Hu, J. S., Kolski-Andreaco, A., Monuki, E. S. Culture of Mouse Neural Stem Cell Precursors. J. Vis. Exp. (2), e152, doi:10.3791/152 (2007).

Abstract: Culture of Mouse Neural Stem Cell Precursors

Primary neural stem cell cultures are useful for studying the mechanisms underlying central nervous system development. Stem cell research will increase our understanding of the nervous system and may allow us to develop treatments for currently incurable brain diseases and injuries. In addition, stem cells should be used for stem cell research aimed at the detailed study of mechanisms of neural differentiation and transdifferentiation and the genetic and environmental signals that direct the specialization of the cells into particular cell types. This video demonstrates a technique used to disaggregate cells from the embryonic day 12.5 mouse dorsal forebrain. The dissection procedure includes harvesting E12.5 mouse embryos from the uterus, removing the "skin" with fine dissecting forceps and finally isolating pieces of cerebral cortex. Following the dissection, the tissue is digested and mechanically dissociated. The resuspended dissociated cells are then cultured in "stem cell" media that favors growth of neural stem cells.

Protocol: Culture of Mouse Neural Stem Cell Precursors

  1. Mouse neural precursors (NPCs) were isolated from E12.5 embryo cortex.
  2. Skin and mesenchymal layers were removed from dissected telencephalic vesicles.
  3. Vesicles were incubated in 0.05% trypsin with 0.02% EDTA and 0.2% BSA in HBSS for 20 minutes at 37°C.
  4. Trypsinization was stopped by an equal volume of 1 mg/ml soybean trypsin inhibitor (Sigma #T6522) in HBSS.
  5. Tissue digests were dissociated using several rounds of trituration with fire-polished Pasteur pipettes.
  6. Cells were washed once with 0.2% BSA in HBSS and plated at 50,000 cells/ml on laminin-coated coverslips in media with 20 ng/ml EGF, 10 ng/ml FGF2 (R&D Systems or Peprotech), and 2 ug/ml heparin (Sigma).

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Discussion: Culture of Mouse Neural Stem Cell Precursors

Great advances in our understanding of CNS development and stem cell biology have been made possible by our ability to harvest, isolate and culture embryonic neural stem cells. This video demonstrates the dissection of E12.5 mouse cerebral cortex and the subsequent disaggregation and culturing of embryonic neural stem cells. Many other other similar methods have been successfully employed by other investigators.

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Disclosures: Culture of Mouse Neural Stem Cell Precursors

Materials: Culture of Mouse Neural Stem Cell Precursors

Name Type Company Catalog Number Comments
Straight Iris Scissors Tool Fine Science Tools 14060-11
Medium Scissors Tool Fine Science Tools 15024-10
Micro Scissors Tool Fine Science Tools 15002-08
Bent Forceps Tool Fine Science Tools 11251-35

References: Culture of Mouse Neural Stem Cell Precursors

1. Currle, D., Cheng, X., Hsu, C., and Monuki, E. Direct and indirect roles of CNS dorsal midline cells in choroid plexus epithelial formation. Development (Cambridge, England) 132(15), 3549-3559 (2005).

2. Flanagan, L., Rebaza, L., Derzic, S., Schwartz, P., and Monuki, E. Regulation of human neural precursor cells by laminin and integrins. J Neurosci Res 83(5), 845-856 (2006).

Ask the Author: Culture of Mouse Neural Stem Cell Precursors

2 Comments

There are lots of mistakes about working in a steril conditions, the cap of the bottles should be plased upsode down.  No good lab practoce !

4

Reply

Posted by: Maryam M.April 20, 2009, 2:31 PM

Thanks, but no contamination in 6 years.

4.1

Reply

Posted by: AnonymousApril 20, 2009, 4:34 PM

I think it would be better to say "Culture of Mouse neural Stem (precursor) cells". You can not use both stem and precursor terms together.

5

Reply

Posted by: AnonymousJuly 13, 2010, 9:25 PM

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