Name: drawing blood from rats through the saphenous vein and by cardiac puncture
Uploaded: 2007-08-23T00:00:00
Description: Watch this Scientific Journal Video about Drawing Blood from Rats through the Saphenous Vein and by Cardiac Puncture at JoVE.com

Drawing Blood from Rats through the Saphenous Vein and by Cardiac Puncture
Note: All procedures must be approved by your institute's animal care and use committee.
1. Blood draw from the saphenous vein
<ol>
<li>This procedure is performed without anesthesia and requires two persons, one who handles the rat, and one who performs the draw. </li>
<li>Make a cone out of a towel or hold the rat with rodent handling gloves, leaving one hind limb exposed. </li>
<li...

<ol>
	<li>Van Herck, H., Baumans, V., Brandt, C. J. W. M., Boere, H. A. G., Hesp, A. P. M., Van Lith, H. A., Schurink, M., Beynen, A. C. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Blood+sampling+from+the+retro-orbital+plexus,+the+saphenous+vein+and+the+tail+vein+in+rats:+comparative+effects+on+selected+behavioural+and+blood+variables.">Blood sampling from the retro-orbital plexus, the saphenous vein and the tail vein in rats: comparative effects on selected behavioural and blood variables.</a> Laboratory Animals. 35, 131-139 (2001).</li><li>Luzzi, M., Skoumbourdis, E., Baumans, V., Conte, A., Sherwin, C., Kerwin, A., Lang, T., Morton, D., Barley, J., Moreau, E., Weilenmann, R. F., Reinhardt, V. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Collecting+blood+from+rodents:+a+discussion+by+the+laboratory+animal+refinement+and+enrichment+forum.">Collecting blood from rodents: a discussion by the laboratory animal refinement and enrichment forum.</a> Animal Technology and Welfare. 4, 99-102 (2005).</li><li>Angelow, O., Schroer, R. A., Heft, S., James, V. C., Noble, J. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=A+comparison+of+two+methods+of+bleeding+rats:+the+venous+plexus+of+the+eye+versus+the+vena+sublingualis.">A comparison of two methods of bleeding rats: the venous plexus of the eye versus the vena sublingualis.</a> Jounal of Applied Toxicology. 4, 258-260 (2006).</li><li>Beeton, C., Wulff, H., Barbaria, J., Clot-Faybesse, O., Pennington, M., Bernard, D., Cahalan, M. D., Chandy, K. G., Beraud, E. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Selective+blockade+of+T+lymphocyte+K++channels+ameliorates+experimental+autoimmune+encephalomyelitis,+a+model+for+multiple+sclerosis.">Selective blockade of T lymphocyte K+ channels ameliorates experimental autoimmune encephalomyelitis, a model for multiple sclerosis.</a> Proc. Natl. Acad. , 13942-13947 (2001).</li><li>Beeton, C., Pennington, M. W., Wulff, H., Singh, S., Nugent, D., Crossley, G., Khaytin, I., Chen, C. Y., Calabresi, P. A., Chandy, K. G. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Targeting+effector+memory+T+cells+with+a+selective+peptide+inhibitor+of+Kv1.3+channels+for+therapy+of+autoimmune+diseases.">Targeting effector memory T cells with a selective peptide inhibitor of Kv1.3 channels for therapy of autoimmune diseases.</a> Mol. Pharmacol. , 1369-1381 (2005).</li><li>Beeton, C., Wulff, H., Standifer, N. E., Azam, P., Mullen, K. M., Pennington, M. W., Kolski-Andreaco, A., Wei, E., Grino, A., Counts, D. R., Wang, P. H., LeeHealey, C. J., Andrews, B. S., Sankaranarayanan, A., Homerick, D., Roeck, W. W., Tehranzadeh, J., Stanhope, K. L., Zimin, P., Havel, P. J., Griffey, S., Knaus, H. G., Nepom, G. T., Gutman, G. A., Calabresi, P. A., Chandy, K. G. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Kv1.3+channels+are+a+therapeutic+target+for+T+cell+mediated+autoimmune+diseases.">Kv1.3 channels are a therapeutic target for T cell mediated autoimmune diseases.</a> Proc. Natl. Acad. Sci. USA. , 17414-17419 (2006).</li><li>Beeton, C., Barbaria, J., Devaux, J., Benoliel, A. -. M., Gola, M., Sabatier, J. -. M., Bernard, D., Crest, M., Beraud, E. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Selective+blocking+of+voltage-gated+K++channels+treats+experimental+autoimmune+encephalomyelitis+and+inhibits+T-cell+activation.">Selective blocking of voltage-gated K+ channels treats experimental autoimmune encephalomyelitis and inhibits T-cell activation.</a> J. Immunol. , 936-944 (2001).</li><li>Devaux, J., Forni, C., Beeton, C., Barbaria, J., Beraud, E., Gola, M., Crest, M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Myelin+basic+protein-reactive+T+cells+induce+conduction+failure+in+vivo+but+not+in+vitro.">Myelin basic protein-reactive T cells induce conduction failure in vivo but not in vitro.</a> Neuroreport. , 317-320 (2003).</li><li>Beeton, C., Chandy, K. G. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Induction+and+monitoring+of+adoptive+delayed+type+hypersensitivity+in+rats.">Induction and monitoring of adoptive delayed type hypersensitivity in rats.</a> Journal of Visualized Experiments. 8, (2007).</li></ol>

Drawing blood from the saphenous vein is a convenient way to get small amounts of blood without anesthesia. If repeated sampling is required, check regulations to ensure you do not draw too much blood from one rat.

Drawing blood by cardiac puncture is a convenient way to get large amounts of blood but this is a terminal procedure. The animal must be euthanized at the end of the blood draw.

These techniques (as all techniques on live animals) should be first do...

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		<thead>
		<tr>
		<th>Material Name</th>
		<th>Type</th>
		<th>Company</th>
		<th>Catalogue Number</th>
		<th>Comment</th>
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<tr>
<td>Needle 20G 1/2</td>
<td>Tool</td>
<td>Becton Dickinson</td>
<td>305176</td>
<td>For puncturing the saphenous vein</td>
</tr>
<tr>
<td>Microvette 300</td>
<td>Tool</td>
<td>Sarstedt</td>
<td>20.1308.100</td>
<td>To collect blood from the saphenous vein</td>
</tr>
<tr>
<td>Electric trimmer</td>
<td>Tool</td>
<td>Braintree</td>
<td>CLP-32130</td>
<td>&nbsp;</td>
<tr>
<td>Needle 23 G 1</td>
<td>Tool</td>
<td>Becton Dickinson</td>
<td>305145</td>
<td>For cardiac puncture</td>
</tr>
<tr>
<td>5 ml plastic syringe, slip tip</td>
<td>Tool</td>
<td>Fisher</td>
<td>14-826-12</td>
<td>For cardiac puncture</td>
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drawing blood from rats through the saphenous vein and by cardiac puncture

Drawing blood from rodents is necessary for a large number of both in vitro and in vivo studies. Sites of blood draws are numerous in rodents: retro-orbital sinus, jugular vein, maxillary vein, saphenous vein, heart. Each technique has its advantages and disadvantages, and some are not approved any more in some countries (e.g., retro-orbital draws in Holland). A discussion of different techniques for drawing blood are available 1-3.
Here, we present two techniques for drawing blood from rats, each with its specific applications.
Blood draw from the saphenous vein, provided it is done properly, induces minimal distress in animals and does not require anesthesia. This technique allows repeated draws of small amounts of blood, such as needed for pharmacokinetic studies 4,5, determining plasma chemistry, or blood counts 6.
Cardiac puncture allows the collection of large amounts of blood from a single animal (up to 10 ml of blood can be drawn from a 150 g rat). This technique is therefore very useful as a terminal procedure when drawing blood from the saphenous would not provide a large enough sample. We use cardiac puncture when we need sufficient amounts of serum from a specific strain of rats to grow T lymphocyte lines in vitro 4-9.

Watch this Scientific Journal Video about Drawing Blood from Rats through the Saphenous Vein and by Cardiac Puncture at JoVE.com

Drawing Blood from Rats through the Saphenous Vein and by Cardiac Puncture

Blood draws are necessary in a large number of studies, for example to study the pharmacokinetics profile of a compound. Here, we demonstrate how to draw blood from rats using two techniques: blood draw from the saphenous vein or by cardiac puncture.

Drawing blood from rodents is necessary for a large number of both in vitro and in vivo studies. Sites of blood draws are numerous in rodents: ...

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