Name: autologous blood injection to model spontaneous intracerebral hemorrhage in mice
Uploaded: 2011-08-24T12:00:00
Description: Watch this Scientific Journal Video about Autologous Blood Injection to Model Spontaneous Intracerebral Hemorrhage in Mice at JoVE.com

The work was funded by a fellowship from the
Institute for Translational Medicine and Therapeutics, and a training
grant from the Institute for Medicine and Engineering (T32HL007954) at
the University of Pennsylvania and the Marlene L. Cohen and Jerome H.
Fleisch Scholar Grant at the University of Connecticut Health Center
(LHS) and NIH NS-029331(FAW).

1. Preparation of equipment
<ol>
<li>Wipe down the stereotaxic frame and pump with 75% ethanol to minimize bacterial contamination.</li>
<li>Sterilize Hamilton syringe and fused silica needle. 
Note: If chemical sterilization is used, be sure to rinse several times in sterile water before use.</li>
<li>Wipe surface of paraffin wax paper with 75% ethanol and allow to dry.</li>
</ol>
2. Preparation of mouse for injection
Note: Have mice delivered to your animal faci...

<ol>
	<li>Hua, Y., Schallert, T., Keep, R. F., Wu, J., Hoff, J. T., Xi, G. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Behavioral+Tests+After+Intracerebral+Hemorrhage+in+the+Rat.">Behavioral Tests After Intracerebral Hemorrhage in the Rat.</a> Stroke. 33, 2478-2484 (2002).</li><li>James, M., Warner, D., Laskowitz, D. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Preclinical+Models+of+Intracerebral+Hemorrhage:+A+Translational+Perspective.">Preclinical Models of Intracerebral Hemorrhage: A Translational Perspective.</a> Neurocritical Care. 9, 139-152 (2008).</li><li>Foerch, C., Arai, K., Jin, G., Park, K. -. P., Pallast, S., van Leyen, K., Lo, E. H. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Experimental+Model+of+Warfarin-Associated+Intracerebral+Hemorrhage.">Experimental Model of Warfarin-Associated Intracerebral Hemorrhage.</a> Stroke. 39, 3397-3404 (2008).</li><li>Nakamura, T., Xi, G., Hua, Y., Schallert, T., Hoff, J. T., Keep, R. F. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Intracerebral+hemorrhage+in+mice:+model+characterization+and+application+for+genetically+modified+mice.">Intracerebral hemorrhage in mice: model characterization and application for genetically modified mice.</a> Journal of Cerebral Blood Flow and Metabolism. 24, 487-494 (2004).</li><li>Rynkowski, M. A., Kim, G. H., Komotar, R. J., Otten, M. L., Ducruet, A. F., Zacharia, B. E., Kellner, C. P., Hahn, D. K., Merkow, M. B., Garrett, M. C. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=A+mouse+model+of+intracerebral+hemorrhage+using+autologous+blood+infusion.">A mouse model of intracerebral hemorrhage using autologous blood infusion.</a> Nat. Protocols. 3, 122-128 (2008).</li><li>Wang, J., Fields, J., Dor&#233;, S. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=The+development+of+an+improved+preclinical+mouse+model+of+intracerebral+hemorrhage+using+double+infusion+of+autologous+whole+blood.">The development of an improved preclinical mouse model of intracerebral hemorrhage using double infusion of autologous whole blood.</a> Brain Research. 1222, 214-221 (2008).</li><li>Zhao, X., Sun, G., Zhang, J., Strong, R., Song, W., Gonzales, N., Grotta, J. C., Aronowski, J. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Hematoma+resolution+as+a+target+for+intracerebral+hemorrhage+treatment:+Role+for+peroxisome+proliferator-activated+receptor+&#947;+in+microglia/macrophages.">Hematoma resolution as a target for intracerebral hemorrhage treatment: Role for peroxisome proliferator-activated receptor &#947; in microglia/macrophages.</a> Annals of Neurology. 61, 352-362 (2007).</li></ol>

This surgical model of intracerebral hemorrhage in mice using autologous tail artery blood results in a reproducible model of spontaneous basal ganglia hemorrhage. An ICH model in mice offers the advantage of the availability of transgenic animals to investigate pathophysiology; however, their small size makes neurosurgical procedures more technically difficult than in larger animals. 
The collagenase model and the autologous blood injection model are two well-established models of experiment...

Stereotaxic frame for mouse neurosurgery (Stoelting, 51925)
Microinfusion pump and processor (UMP-3 and Micro4, World Precision Instruments, Sarasota, FL)
Mouse warmer (Stoelting, 50300)
Inhalational mouse anesthesia (Braintree Scientific, EZ-AF9000)
25 &mu;L gastight borosilicate Hamilton syringe with coated plunger and no needle 
(Hamilton company, Reno, NV, 1702RN syringe: 765401, ferrule: 30949, spacer: 30946)
fused silica needle cut to 2 cm length (Hamilton, 17739) 
*note Hamilton syringe and fused silica needle may be reused for multiple surgeries if sterilized prior to each surgery. These materials are crucial to avoid blood clotting.
Sterile surgical gloves
Surgical gown, bonnet and mask
Betadine
75% ethanol
sterile 27 g needle (single use)
sterile 1 cc syringe (single use)
sterile surgical blade
Cidex
sterile water
buprenorphine and isoflurane
sterile gauze
paraffin wax paper squares
Veterinary surgical glue (Vetbond, 3M, St. Paul, MN)

autologous blood injection to model spontaneous intracerebral hemorrhage in mice

Investigation of the pathophysiology of injury after intracerebral
hemorrhage (ICH) requires a reproducible animal model. While ICH
accounts for 10-15% of all strokes, there remains no specific
effective therapy. The autologous blood injection model in mice
involves the stereotaxic injection of arterial blood into the basal
ganglia mimicking a spontaneous hypertensive hemorrhage in man. The
response to hemorrhage can then be studied in vivo and the
neurobehavioral deficits quantified, allowing for description of the
ensuing pathology and the testing of potential therapeutic agents. The
procedure described in this protocol uses the double injection
technique to minimize risk of blood reflux up the needle track, no
anticoagulants in the pumping system, and eliminates all dead space
and expandable tubing in the system.

Watch this Scientific Journal Video about Autologous Blood Injection to Model Spontaneous Intracerebral Hemorrhage in Mice at JoVE.com

Autologous Blood Injection to Model Spontaneous Intracerebral Hemorrhage in Mice

The autologous blood injection model of intracerebral hemorrhage in mice described in this protocol uses the double injection technique to minimize risk of blood reflux up the needle track, no anticoagulants in the pumping system, and eliminates all dead space and expandable tubing in the system.

Investigation of the pathophysiology of injury after intracerebral
hemorrhage (ICH) requires a reproducible animal model.  While ICH
accounts for 10-15% ...

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