We thank Barbara Carletti and Anna Marie Kenney for invaluable suggestions. HYL is supported by the Training Grant &ldquo;Hormones: Biochemistry and Molecular Biology&rdquo;, DK07328. Supported in part by NIH grant 5R01 NS16951 (CAM).

Part 1: Setting up (1-2 days before dissection) (Not shown on video)
<ol>
<li>PREPARING CULTURE SOLUTIONS AND MEDIA:
<ul>
<li>4X CMF-PBS-EDTA (calcium and magnesium free-phosphate buffered saline-EDTA for Percoll dilutions): per liter, add 32 g NaCl, 1.2 g KCl, 8 g glucose, 2 g NaH2PO4, 1 g KH2PO4, 8 ml 2% NaHCO3 stock, 10 ml 1M EDTA (pH 8.0) to distilled/deionized water. Adjust the volume to 1 liter and the pH to 7.4. Filter sterilize.</li>
<li>HBSS-GLUCOSE: A...

<ol>
	<li>Altman, J., Bayer, S. A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=.">.</a> Development of the cerebellar system: in relation to its evolution, structure, and functions. , (1997).</li><li>Hatten, M. E., Heintz, N. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=.">.</a> Annual Review of Neuroscience. 18, 385-285 (1995).</li><li>Hatten, M. E., Gao, W. -. Q., Morrison, M. E., Banker, G., Goslin, K. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=.">.</a> in Culturing Nerve Cells. , 419-419 (1998).</li><li>Hatten, M. E. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=.">.</a> The Journal of Cell Biology. 100 (2), 384-384 (1985).</li><li>Carletti, B., Rossi, F. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=.">.</a> Neuroscientist. 14 (1), 91-91 (2008).</li><li>Knoepfler, P. S., Kenney, A. M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=.">.</a> Cell Cycle. 5 (1), 47-47 (2006).</li><li>Manzini, M. C., Joseph, D. J., MacDermott, A. B. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=.">.</a> Molecular and Cellular Neuroscience. 35 (2), 328-328 (2007).</li><li>Manzini, M. C., Ward, M. S., Zhang, Q. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=.">.</a> Journal of Neuroscience. 26 (22), 6040-6040 (2006).</li><li>Baptista, C. A., Hatten, M. E., Blazeski, R. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=.">.</a> Neuron. 12 (2), 243-243 (1994).</li><li>Palay, S. L., Chan-Palay, V. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=.">.</a> Cerebellar Cortex: Cytology and Organization. , (1974).</li><li>Messer, A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=.">.</a> Brain Research. 130 (1), 1-1 (1977).</li><li>Ruiz I Altaba, A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=.">.</a> Development. 126, 3205-3205 (1999).</li><li>Wallace, V. A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=.">.</a> Current Biology. 9 (8), 445-445 (1999).</li><li>Wechsler-Reya, R. J., Scott, M. P. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=.">.</a> Neuron. 22 (1), 103-103 (1999).</li><li>Solecki, D. J., Liu, X. L., Tomoda, T. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=.">.</a> Neuron. 31 (4), 557-557 (2001).</li><li>Powell, S. K., Williams, C. C., Nomizu, M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=.">.</a> Journal of Neuroscience Research. 54 (2), 233-233 (1998).</li><li>Lander, A. D., Fujii, D. K., Reichardt, L. F. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=.">.</a> Proceedings of the National Academy of Sciences of the United States of America. 82 (7), 2183-2183 (1985).</li><li>Kenney, A. M., Rowitch, D. H. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=.">.</a> Molecular and Cellular Biology. 20 (23), 9055-9055 (2000).</li><li>Kenney, A. M., Cole, M. D., Rowitch, D. H. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=.">.</a> Development. 130 (1), 15-15 (2003).</li><li>Pons, S., Trejo, J. L., Martinez-Morales, J. R. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=.">.</a> Development. 128, 1481-1481 (2001).</li></ol>

This protocol is based on modifications of procedures that have been described in the past3,7,11. There are several important points to note as discussed below.
The granule neurons and progenitor cells adhere within 2 hours of plating. Healthy cells have a round morphology under the phase-contrast microscope4. Within 24 hours after plating, healthy cells will spread evenly around the coverslips or the plastic well and will form processes. At the time of the first medium ...

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		<div>
		<table border="1">
		<thead>
		<tr>
		<th>Material Name</th>
		<th>Type</th>
		<th>Company</th>
		<th>Catalogue Number</th>
		<th>Comment</th>
		</tr>
		</thead>
		<tbody>
		
<tr>
<td>Cell strainer with 70&mu;m mesh pore</td>
<td>&nbsp;</td>
<td>BD Biosciences</td>
<td>352350</td>
<td>&nbsp;</td>
<tr>
<td>Spinal Needle</td>
<td>&nbsp;</td>
<td>BD</td>
<td>405182</td>
<td>20G x 3-1/2 inches</td>
</tr>
<tr>
<td>Poly-D-Lysine mol wt>300,000</td>
<td>&nbsp;</td>
<td>Sigma</td>
<td>P1024</td>
<td>Each new batch of Poly-D-Lysine must be tested. 
</td>
</tr>
<tr>
<td>Percoll</td>
<td>&nbsp;</td>
<td>Sigma</td>
<td>P-1644</td>
<td>&nbsp;</td>
<tr>
<td>Penicillin-Streptomycin (100X)</td>
<td>&nbsp;</td>
<td>Sigma</td>
<td>P4333</td>
<td>&nbsp;</td>
<tr>
<td>HBSS</td>
<td>&nbsp;</td>
<td>Invitrogen</td>
<td>14175-103</td>
<td>Must be calcium and magnesium free.</td>
</tr>
<tr>
<td>Neurobasal A-Medium</td>
<td>&nbsp;</td>
<td>Invitrogen</td>
<td>10888-022</td>
<td>&nbsp;</td>
<tr>
<td>Glutamax I supplement</td>
<td>&nbsp;</td>
<td>Invitrogen</td>
<td>35050-061</td>
<td>&nbsp;</td>
<tr>
<td>B-27 Serum Free Supplement (50x)</td>
<td>&nbsp;</td>
<td>Invitrogen</td>
<td>17504-044</td>
<td>&nbsp;</td>
<tr>
<td>12-mm circle coverslips </td>
<td>&nbsp;</td>
<td>Carolina Biological Supply</td>
<td>63-3029</td>
<td>These are made in Germany by Deckgluder.</td>
</tr>
<tr>
<td>25-mm circle coverslips</td>
<td>&nbsp;</td>
<td>Carolina Biological Supply</td>
<td>63-3037</td>
<td>These are made in Germany by Deckgluder.</td>
</tr>
<tr>
<td>Papain Dissociation System </td>
<td>&nbsp;</td>
<td>Worthington Biochemical Corporation</td>
<td>LK 003150</td>
<td>Kit is good for five isolations.</td>
</tr>
<tr>
<td>Permaset scissors</td>
<td>&nbsp;</td>
<td>Roboz</td>
<td>RS6782</td>
<td>&nbsp;</td>
<tr>
<td>Dumont #5 (Dumostar)</td>
<td>&nbsp;</td>
<td>Roboz</td>
<td>RS4978</td>
<td>&nbsp;</td>
<tr>
<td>4-well culture dish</td>
<td>&nbsp;</td>
<td>Nunc</td>
<td>176740</td>
<td>&nbsp;</td>
<tr>
<td>6-well culture dish</td>
<td>&nbsp;</td>
<td>Nunc</td>
<td>140685</td>
<td>&nbsp;</td>		</tbody>
		</table>
		</div>

isolation and culture of post-natal mouse cerebellar granule neuron progenitor cells and neurons 

The cerebellar cortex is a well described structure that provides unique opportunities for studying neuronal properties and development1,2. Of the cerebellar neuronal types (granule cells, Purkinje cells and inhibitory interneurons), granule neurons are by far the most numerous and are the most abundant type of neurons in the mammalian brain. In rodents, cerebellar granule neurons are generated during the first two post-natal weeks from progenitor cells in the outermost layer of the cerebellar cortex, the external granule layer (EGL). The protocol presented here describes techniques to enrich and culture granule neurons and their progenitor cells from post-natal mouse cerebellum. We will describe procedures to obtain cultures of increasing purity3,4, which can be used to study the differentiation of proliferating progenitor cells into granule neurons5,6. Once the progenitor cells differentiate, the cultures also provide a homogenous population of granule neurons for experimental manipulation and characterization of phenomena such as synaptogenesis, glutamate receptor function7, interaction with other purified cerebellar cells8,9 or cell death7.

Watch this Scientific Journal Video about Isolation and Culture of Post-Natal Mouse Cerebellar Granule Neuron Progenitor Cells and Neurons at JoVE.com

Isolation and Culture of Post-Natal Mouse Cerebellar Granule Neuron Progenitor Cells and Neurons

Here we present a method to isolate and culture cerebellar granule neuron progenitor cells and cerebellar granule neurons from postnatal mouse.

Isolation and Culture of Post-Natal Mouse Cerebellar Granule Neuron Progenitor Cells and Neurons 

The cerebellar cortex is a well described structure that provides unique opportunities for studying neuronal properties and development1,2. Of the ...

isolation-culture-post-natal-mouse-cerebellar-granule-neuron

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