Name: isolation and large scale expansion of adult human endothelial colony forming progenitor cells
Uploaded: 2009-10-28T07:00:00
Description: Watch this Scientific Journal Video about Isolation and Large Scale Expansion of Adult Human Endothelial Colony Forming Progenitor Cells at JoVE.com

Los autores agradecen a la Dra. Katharina Schallmoser para proporcionar pHPL y Frühwirth Margaretha y Thaler Daniela por su excelente asistencia técnica.

A.) ECFC ISOLATON DIA 1: <ol><li> Antes de comenzar con el experimento de preparar el cultivo de células endoteliales de crecimiento medio mediano-2 (EGM-2). Suplemento de 500 ml de medio base endotelial-2 con heparina (1 ml de 1000 U / ml), solución de 5 ml 100x de penicilina / estreptomicina (todos Sigma, St. Louis, MO; <a href="http://www.sigmaaldrich.com/">www.sigmaaldrich.com</a> ), L-glutamina (2 mM concentración final de ), y 50 ml de lisado de plaquetas humanas agrupados (pHPL). A ...

<ol>
	<li>Solovey, A., Lin, Y., Browne, P., Choong, S., Wayner, E., Hebbel, R. P. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Circulating+activated+endothelial+cells+in+sickle+cell+anemia.">Circulating activated endothelial cells in sickle cell anemia.</a> N Engl J Med. 337, 1584-1590 (1997).</li><li>Yoder, M. C., Mead, L. E., Prater, D. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Redefining+endothelial+progenitor+cells+via+clonal+analysis+and+hematopoietic+stem/progenitor+cell+principals.">Redefining endothelial progenitor cells via clonal analysis and hematopoietic stem/progenitor cell principals.</a> Blood. 109, 1801-1809 (2007).</li><li>Schallmoser, K. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Rapid+large-scale+expansion+of+functional+mesenchymal+stem+cells+from+unmanipulated+bone+marrow+without+animal+serum.">Rapid large-scale expansion of functional mesenchymal stem cells from unmanipulated bone marrow without animal serum.</a> Tissue Eng Part C Methods. 14, 185-196 (2008).</li><li>Reinisch, A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Humanized+large-scale+expanded+endothelial+colony-forming+cells+function+in+vitro+and+in+vivo.">Humanized large-scale expanded endothelial colony-forming cells function in vitro and in vivo.</a> Blood. , (2009).</li><li>Ricardo, R., Phelan, K. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Counting+and+Determining+the+Viability+of+Cultured+Cells.">Counting and Determining the Viability of Cultured Cells.</a> J Vis Exp. , (2008).</li></ol>

Este aislamiento novela y el método de expansión es un proceso sencillo y eficiente que es más eficiente y menos tiempo, evitando la separación de células (no hay gradiente de densidad es necesario) y menos costoso que las técnicas convencionales. Mediante el uso de contacto pHPL a los antígenos de la especie bovina y xenoimmunization siguientes supuestos se excluye. Durante el período de cultivo pequeños coágulos se pueden formar, causada por la pHPL. Basándonos en nuestra experiencia estos coágulos no afec...

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		<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>Endothelial basal Medium-2</td>
<td>&nbsp;</td>
<td>Lonza</td>
<td>&nbsp;</td>
<td>500ml</td>
</tr>
<tr>
<td>EGM-2 SingleQuots</td>
<td>&nbsp;</td>
<td>Lonza</td>
<td>&nbsp;</td>
<td>EGF, hFGF-B, VEGF, IGF-1, Hydrocortisone, ascorbic acid</td>
</tr>
<tr>
<td>preservative-free Heparin</td>
<td>&nbsp;</td>
<td>Biochrom AG</td>
<td>&nbsp;</td>
<td>10U/ml per EGM-2</td>
</tr>
<tr>
<td>L-Glutamine</td>
<td>&nbsp;</td>
<td>Sigma </td>
<td>&nbsp;</td>
<td>2mM per EGM-2</td>
</tr>
<tr>
<td>Penicillin and Streptomycin</td>
<td>&nbsp;</td>
<td>Sigma </td>
<td>&nbsp;</td>
<td>100U/mL Penicillin and 100&mu;g/mL Streptomycin per EGM-2</td>
</tr>
<tr>
<td>Trypsin/1mM EDTA </td>
<td>&nbsp;</td>
<td>Gibco Cell Culture, Invitrogen </td>
<td>&nbsp;</td>
<td>7ml for T75 flask 70ml for CF-4</td>
</tr>
<tr>
<td>PBS</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>Four-layered cell factory (CF-4) </td>
<td>&nbsp;</td>
<td>Corning</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>Sterile Funnel</td>
<td>&nbsp;</td>
<td>Corning</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>T75cm2 culture flask (with vented cap)</td>
<td>&nbsp;</td>
<td>Corning</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>6 mL vacutainer tubes (preservative-free sodium heparin) </td>
<td>&nbsp;</td>
<td>Becton Dickenson</td>
<td>&nbsp;</td>
<td>preloaded with 108 IU/6ml of preservative-free sodium heparin</td>
</tr>
<tr>
<td>50ml Falcon tubes</td>
<td>&nbsp;</td>
<td>Falcon</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>5ml Stripetts</td>
<td>&nbsp;</td>
<td>Costar</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>25ml Stripetts</td>
<td>&nbsp;</td>
<td>Costar</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>Squeezer</td>
<td>&nbsp;</td>
<td>Costar</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>0,2 pore size sterile filter</td>
<td>&nbsp;</td>
<td>Millipore</td>
<td>&nbsp;</td>
<td>2x 500ml per EGM-2</td>
</tr>		</tbody>
		</table>
		</div>

isolation and large scale expansion of adult human endothelial colony forming progenitor cells

Este documento presenta una estrategia de recuperación de la novela de las células endoteliales progenitoras que forman colonias (ECFCs) de heparina pero por lo demás no manipulado adultos sangre periférica humana dentro de una media de 12 días. Después de la expansión a gran escala&gt; 1x10 8 ECFCs se puede obtener por otras pruebas. Ventajosamente con pHPL el contacto de las células humanas con suero bovino antígenos pueden ser excluidos. Por citometría de flujo e inmunohistoquímica las células aisladas pueden ser caracterizados como ECFC y su funcionalidad in vitro para formar las estructuras vasculares, como puede ser probado en un ensayo de matrigel. Además, estas células pueden ser inyectada por vía subcutánea en un modelo de ratón para la formación de vasos funcionales, perfundidos in vivo. Después de la expansión a largo plazo y la proliferación de criopreservación, la función y la estabilidad genómica parece ser preservado 3,4. Este aislamiento de proteína animal libre y el método de expansión es de fácil aplicación para generar una gran cantidad de ECFCs.

Watch this Scientific Journal Video about Isolation and Large Scale Expansion of Adult Human Endothelial Colony Forming Progenitor Cells at JoVE.com

Isolation and Large Scale Expansion of Adult Human Endothelial Colony Forming Progenitor Cells

Endoteliales que forman colonias células progenitoras (ECFCs) son una herramienta prometedora para estudiar la homeostasis vascular y la reparación.<sup&gt; 1,2</sup&gt; Este artículo presenta un novedoso método de suero de origen animal libres para el aislamiento y la expansión de ECFC de heparina para adultos de sangre periférica humana con agregados de lisado de plaquetas humanas (pHPL) disminuyendo el riesgo de la vacunación anti-bovina.

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