Name: isolation of human umbilical arterial smooth muscle cells (huasmc)
Uploaded: 2010-07-03T17:00:00
Description: Watch this Scientific Journal Video about Isolation of Human Umbilical Arterial Smooth Muscle Cells HUASMC at JoVE.com

<p class="jove_content">Hospital Amato Lusitano, Castelo Branco   Portugal.<br />Hospital Sousa Martins, Guarda   Portugal.</p>

<ol>
	<li>Arteries are obtained from UC pieces of 3-7 cm.</li>
	<li>Wharton's jelly that surrounds the arteries was carefully removed by cutting it with scissors.</li>
	<li>A blunt-end needle of an outer diameter of 0.6-1mm was inserted about 7mm from one end of the dissected arteries.</li>
	<li>To remove the blood remaining inside the vessels, the arteries are vertically held and perfused with, approximately 20 to 40 mL, physiological saline solution (PSS), using a 20-mL syringe connected to a needle. If necessary, this washing step was re...

<ol>
	<li>Van Rijen, H. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Gap+junctions+in+human+umbilical+cord+endothelial+cells+contain+multiple+connexins.">Gap junctions in human umbilical cord endothelial cells contain multiple connexins.</a> <em style='font-style: italic'>The American journal of physiology</em>. <b>272</b> (1 PT 1), C117-C117 (1997).</li><li>Mart&#237;n de Llano, J. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Procedure+to+consistently+obtain+endothelial+and+smooth+muscle+cell+cultures+from+umbilical+cord+vessels.">Procedure to consistently obtain endothelial and smooth muscle cell cultures from umbilical cord vessels.</a> <em style='font-style: italic'>Translational Research</em>. <b>149</b> (1), 1-9 (2007).</li><li>Jaffe, E. A., Nachman, R. L., Becker, C. G., Minick, C. R. <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+human+endothelial+cells+derived+from+umbilical+veins.+Identification+by+morphologic+and+immunologic+criteria.">Culture of human endothelial cells derived from umbilical veins. Identification by morphologic and immunologic criteria.</a> <em style='font-style: italic'>J Clin Invest</em>. <b>52</b> (11), 2745-2756 (1973).</li><li>Cairr&#227;o, E., Santos-Silva, A., Alvarez, E., Correia, I., Verde, I. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Isolation+and+culture+of+human+umbilical+artery+smooth+muscle+cells+expressing+functional+calcium+channels.">Isolation and culture of human umbilical artery smooth muscle cells expressing functional calcium channels.</a> <em style='font-style: italic'>In Vitro Cellular &#38; Developmental Biology-Animal</em>. <b>45</b> (3), 175-184 (2009).</li></ol>

<p class="jove_content">The SMC can be used as models for future assays with constrictor drugs, to isolate and structurally characterize L-type calcium channels, to study cellular and molecular aspects of the vascular function and to use them in tissue engineering. SMCs and ECs are fundamental for the development of new biomaterials that can be used in the production of semi synthetic blood vessels to be used in humans.</p>

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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>DMEM-F12</td>
<td>&nbsp;</td>
<td>Sigma-Aldrich</td>
<td>095K8311</td>
<td>&nbsp;</td>
<tr>
<td>Fetal bovine serum (FBS)</td>
<td>&nbsp;</td>
<td>Biochrom-AG</td>
<td>0117T</td>
<td>&nbsp;</td>
<tr>
<td>RPMI 1640</td>
<td>&nbsp;</td>
<td>Gibco</td>
<td>3103806</td>
<td>&nbsp;</td>
<tr>
<td>Collagen</td>
<td>&nbsp;</td>
<td>Sigma-Aldrich</td>
<td>067K2302</td>
<td>&nbsp;</td>
<tr>
<td>Antibiotic</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>10 &mu;L/ 1 mL of medium</td>
</tr>
<tr>
<td>Scissors</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>Sterilized</td>
</tr>
<tr>
<td>Needle</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>Diameter of 0.6-1mm</td>
</tr>
<tr>
<td>Syringe</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>10 - 20 mL</td>
</tr>
<tr>
<td>Physiological Saline Solution (PSS)</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>20-40 mL per artery</td>
</tr>
<tr>
<td>Collagenase type I</td>
<td>&nbsp;</td>
<td>Sigma-Aldrich</td>
<td>047K1052</td>
<td>3 mL per artery</td>
</tr>
<tr>
<td>Hank's Buffered Salt Solution(HBSS)</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>Diluted collagenase </td>
</tr>
<tr>
<td>Phosphate buffered saline solution (PBS)</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>Warmed to 37&deg;C</td>
</tr>		</tbody>
		</table>
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isolation of human umbilical arterial smooth muscle cells (huasmc)

The human umbilical cord (UC) is a biological sample that can be easily obtained just after birth. This biological sample is, most of the time, discarded and their collection does not imply any added risk to the newborn or mother s health. Moreover no ethical concerns are raised. The UC is composed by one vein and two arteries from which both endothelial cells (ECs) <sup>1</sup> and smooth muscle cells (SMCs) <sup>2</sup>, two of the main cellular components of blood vessels, can be isolated. In this project the SMCs were obtained after enzymatic treatment of the UC arteries accordingly the experimental procedure previously described by Jaffe <em>et al </em><sup>3</sup>. After cell isolation they were kept in t-flash with DMEM-F12 supplemented with 5% of fetal bovine serum and were cultured for several passages. Cells maintained their morphological and other phenotypic characteristics in the different generations. The aim of this study was to isolate smooth muscle cells in order to use them as models for future assays with constrictor drugs, isolate and structurally characterize L-type calcium channels, to study cellular and molecular aspects of the vascular function <sup>4</sup> and to use them in tissue engineering.

Watch this Scientific Journal Video about Isolation of Human Umbilical Arterial Smooth Muscle Cells HUASMC at JoVE.com

Isolation of Human Umbilical Arterial Smooth Muscle Cells HUASMC

<p class="jove_content">The umbilical cords are used to isolate smooth muscle cells by different ways. In this work we used the enzymatic treatment to isolated smooth muscle cells.</p>

Isolation of Human Umbilical Arterial Smooth Muscle Cells (HUASMC)

The human umbilical cord (UC) is a biological sample that can be easily obtained just after birth. This biological sample is, most of the time, discarded ...

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