Name: primary cell cultures from drosophila gastrula embryos
Uploaded: 2011-02-28T17:30:00
Description: Watch this Scientific Journal Video about Primary Cell Cultures from Drosophila Gastrula Embryos Video at JoVE.com

J.B. was supported by the Damon Runyon Cancer Research Foundation
Fellowship DRG-1716-02. J.Z. was supported by NIH/NIGMS Fellowship F32 GM082174-02. N.P. is an investigator of the Howard Hughes Medical Institute.

1. Preparation of fly cages
<ol>
<li>Grow Drosophila (wild-type strains such as Oregon-R or any genotype) in convenient containers such as 32-oz insect cups.</li>
<li>Transfer newly eclosed flies to large embryo-collection cages or fly population cages.</li>
<li>Move the cages into a room with a temperature of ~25 &deg;C and humidity ~65% in a light 12-h and a dark 12-h cycle to facilitate the collection of synchronous embryos.</li>
<li>Maintain the flies in the cages by feeding them killed yeast paste streake...

<ol>
	<li>Ashburner, M., Roote, J., Sullivan, W., Ashburner, M., Hawley, R. S. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=.">.</a> Laboratory culture of Drosophila. , 588-599 (1999).</li><li>Bai, J., Hartwig, J. H., Perrimon, N. S. A. L. S. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=a+WH2-domain-containing+protein,+promotes+sarcomeric+actin+filament+elongation+from+pointed+ends+during+Drosophila+muscle+growth.">a WH2-domain-containing protein, promotes sarcomeric actin filament elongation from pointed ends during Drosophila muscle growth.</a> Dev. Cell. 13, 828-842 (2007).</li><li>Bai, J. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=RNA+interference+screening+in+Drosophila+primary+cells+for+genes+involved+in+muscle+assembly+and+maintenance+.">RNA interference screening in Drosophila primary cells for genes involved in muscle assembly and maintenance .</a> Development. 135, 1439-1449 (2008).</li><li>Sepp, K. J. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Identification+of+neural+outgrowth+genes+using+genome-wide+RNAi.">Identification of neural outgrowth genes using genome-wide RNAi.</a> PloS. Genet. 4, e1000111-e1000111 (2008).</li><li>Donady, J. J., Fyrberg, E. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Mass+culturing+of+Drosophila+embryonic+cells+in+vitro.">Mass culturing of Drosophila embryonic cells in vitro.</a> TCA Manual. 3, 685-687 (1977).</li><li>Seecof, R. L., Alleaume, N., Teplitz, R. L., Gerson, I. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Differentiation+of+neurons+and+myocytes+in+cell+cultures+made+from+Drosophila+gastrulae.">Differentiation of neurons and myocytes in cell cultures made from Drosophila gastrulae.</a> Exp. Cell Res. 69, 161-173 (1971).</li><li>Bai, J., Sepp, K. J., Perrimon, N. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Culture+of+Drosophila+primary+cells+dissociated+from+gastrula+embryos+and+their+use+in+RNAi+screening.">Culture of Drosophila primary cells dissociated from gastrula embryos and their use in RNAi screening.</a> Nature Protocols. 4, 1502-1512 (2009).</li></ol>

The developmental pattern of primary cultures of Drosophila cells can vary greatly, possibly due to the several variables during the primary cell preparation process. First of all, flies used for egg laying should be young (within a week old) and healthy (free of viral or bacterial infection). Unfertilized or infected embryos must be avoided, as they are useless and cells derived from those embryos cannot differentiate and will only survive for 1-2 days. Second, during the homogenization process, it is import...

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		<thead>
		<tr>
		<th>Material Name</th>
		<th>Type</th>
		<th>Company</th>
		<th>Catalogue Number</th>
		<th>Comment</th>
		</tr>
		</thead>
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<tr>
<td>Shields and Sang M3 medium</td>
<td>&nbsp;</td>
<td>Sigma</td>
<td>S3652</td>
<td>&nbsp;</td>
<tr>
<td>Fetal bovine serum</td>
<td>&nbsp;</td>
<td>JRH Biosciences</td>
<td>12103-500M</td>
<td>&nbsp;</td>
<tr>
<td>Insulin from bovine pancreas</td>
<td>&nbsp;</td>
<td>Sigma</td>
<td>I-6634</td>
<td>&nbsp;</td>
<tr>
<td>Large embryo collection cages</td>
<td>&nbsp;</td>
<td>Genesee Scientific</td>
<td>59-101</td>
<td>&nbsp;</td>
<tr>
<td>#25 US standard testing sieve</td>
<td>&nbsp;</td>
<td>VWR</td>
<td>57334-454</td>
<td>&nbsp;</td>
<tr>
<td>#45 US standard testing sieve</td>
<td>&nbsp;</td>
<td>VWR</td>
<td>57334-462</td>
<td>&nbsp;</td>
<tr>
<td>#120 US standard testing sieve</td>
<td>&nbsp;</td>
<td>VWR</td>
<td>57334-474</td>
<td>&nbsp;</td>
<tr>
<td>Dounce tissue grinder, Wheaton 7 mL</td>
<td>&nbsp;</td>
<td>VWR</td>
<td>62400-620</td>
<td>&nbsp;</td>
<tr>
<td>Dounce tissue grinder,Kontes 40 mL</td>
<td>&nbsp;</td>
<td>VWR</td>
<td>KT885300-0040</td>
<td>&nbsp;</td>
<tr>
<td>Dounce tissue grinder,Kontes 40 mL</td>
<td>&nbsp;</td>
<td>VWR</td>
<td>KT885300-0100</td>
<td>&nbsp;</td>
<tr>
<td>Costar, 384-well plate</td>
<td>&nbsp;</td>
<td>VWR</td>
<td>29444-078</td>
<td>&nbsp;</td>
<tr>
<td>Lab-Tek II Chambered coverglass</td>
<td>&nbsp;</td>
<td>Fisher Scientific</td>
<td>171080</td>
<td>&nbsp;</td>		</tbody>
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primary cell cultures from drosophila gastrula embryos

Here we describe a method for preparing and culturing primary cells dissociated from Drosophila gastrula embryos. In brief, a large amount of staged embryos from young and healthy flies are collected, sterilized, and then physically dissociated into a single cell suspension using a glass homogenizer. After being plated on culture plates or chamber slides at an appropriate density in culture medium, these cells can further differentiate into several morphologically-distinct cell types, which can be identified by their specific cell markers. Furthermore, we present conditions for treating these cells with double stranded (ds) RNAs to elicit gene knockdown. Efficient RNAi in Drosophila primary cells is accomplished by simply bathing the cells in dsRNA-containing culture medium. The ability to carry out effective RNAi perturbation, together with other molecular, biochemical, cell imaging analyses, will allow a variety of questions to be answered in Drosophila primary cells, especially those related to differentiated muscle and neuronal cells.

Watch this Scientific Journal Video about Primary Cell Cultures from Drosophila Gastrula Embryos Video at JoVE.com

Primary Cell Cultures from Drosophila Gastrula Embryos Video (Video) | JoVE

We provide a detailed protocol for preparing primary cells dissociated from Drosophila embryos. The ability to carry out the effective RNAi perturbation, together with other molecular, biochemical and cell imaging methods will allow a variety of questions to be addressed in Drosophila primary cells.

Primary Cell Cultures from Drosophila Gastrula Embryos

Here we describe a method for preparing and culturing primary cells dissociated from Drosophila gastrula embryos.   In brief, a large amount of staged ...

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