Name: recurrent herpetic stromal keratitis in mice, a model for studying human hsk
Uploaded: 2012-12-18T13:00:00
Description: Watch this Scientific Journal Video about Recurrent Herpetic Stromal Keratitis in Mice, a Model for Studying Human HSK at JoVE.com

The authors would like to thank Dr. Jay Pepose for helping teaching the model to us. This work was supported by National Institutes of Health Grants EY11885 (PMS), EY21247 (PMS) and an unrestricted grant from Research to Prevent Blindness to Department of Ophthalmology.

Animal Care Note: Analgesics are not used in this model as they are anti-inflammatory and thus would invalidate the model.
1. Preparation of Virus
<ol>
	<li>Grow HSV-1 on Vero cells (80% confluent) using a starting dilution of 0.01 multiplicity of infection (in T-150 flask, about 5 x 105 plaque forming units) for 3-4 days until all of cells have rounded-up and are easily dislodged by hitting the flask.</li>
	<li>Remove media to sterile centrifuge tubes and centrifuge in Sorvall Legen...

<ol>
	<li>Shimeld, C., Hill, T. J., Blyth, B., Easty, D. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=An+improved+model+of+recurrent+herpetic+eye+disease+in+mice.">An improved model of recurrent herpetic eye disease in mice.</a> Curr. Eye Res. 8, 1193-1205 (1989).</li><li>Shimeld, C., Hill, T. J., Blyth, W. A., Easty, D. L. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Reactivation+of+latent+infection+and+induction+of+recurrent+herpetic+eye+disease+in+mice.">Reactivation of latent infection and induction of recurrent herpetic eye disease in mice.</a> J. Gen. Virol. 71, 397-404 (1990).</li><li>Shimeld, C., Hill, T. J., Blyth, W. A., Easty, D. L. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Passive+immunization+protects+the+mouse+eye+from+damage+after+herpes+simplex+virus+infection+by+limiting+spread+of+virus+in+the+nervous+system.">Passive immunization protects the mouse eye from damage after herpes simplex virus infection by limiting spread of virus in the nervous system.</a> J. Gen. Virol. 71, 681-687 (1990).</li><li>Laycock, K. A., Lee, S. F., Brady, R. H., Pepose, J. S. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Characterization+of+a+murine+model+of+recurrent+herpes+simplex+viral+keratitis+induced+by+ultraviolet+B+radiation.">Characterization of a murine model of recurrent herpes simplex viral keratitis induced by ultraviolet B radiation.</a> Invest. Ophthalmol. Vis. Sci. 32, 2741-2746 (1991).</li><li>Keadle, T. L., Stuart, P. M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=IL-10+ameliorates+corneal+disease+in+a+mouse+model+of+recurrent+herpetic+keratitis.">IL-10 ameliorates corneal disease in a mouse model of recurrent herpetic keratitis.</a> Microbial Path. 38, 13-21 (2005).</li><li>Keadle, T. L., Laycock, K. A., Miller, J. K., Hook, K. K., Fenoglio, E. D., Francotte, M., Slaoui, M., Stuart, P. M., Pepose, J. S. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Efficacy+of+a+recombinant+glycoprotein+D+subunit+vaccine+on+the+development+of+primary+and+recurrent+ocular+infection+with+herpes+simplex+virus+type+1+in+mice.">Efficacy of a recombinant glycoprotein D subunit vaccine on the development of primary and recurrent ocular infection with herpes simplex virus type 1 in mice.</a> J. Inf. Dis. 176, 331-338 (1997).</li><li>Keadle, T. L., Laycock, K. A., Pepose, J. S., Stuart, P. M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Proinflammatory+cytokines+IL-1+and+TNF-a+are+required+for+recurrent+herpetic+keratitis+in+NIH+mice.">Proinflammatory cytokines IL-1 and TNF-a are required for recurrent herpetic keratitis in NIH mice.</a> Invest. Ophth. Vis. Sci. 41, 96-102 (2000).</li><li>Keadle, T. L., Usui, N., Laycock, K. A., Kumano, Y., Pepose, J. S., Stuart, P. M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Corneal+cytokine+expression+in+a+murine+model+recurrent+herpetic+stromal+keratitis.">Corneal cytokine expression in a murine model recurrent herpetic stromal keratitis.</a> Ocular Immunol. Inflam. 9, 193-205 (2001).</li><li>Keadle, T. L., Morris, J. L., Pepose, J. S., Stuart, P. M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=CD4++and+CD8++cells+are+key+participants+in+the+development+of+recurrent+herpetic+stromal+keratitis+in+mice.">CD4+ and CD8+ cells are key participants in the development of recurrent herpetic stromal keratitis in mice.</a> Microbial Path. 32, 255-262 (2002).</li><li>Keadle, T. L., Morrison, L. A., Morris, J. L., Pepose, J. S., Stuart, P. M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Therapeutic+immunization+with+a+virion+host+shutoff-defective,+replication-incompetent+herpes+simplex+virus+type+1+strain+limits+recurrent+herpetic+ocular+infection.">Therapeutic immunization with a virion host shutoff-defective, replication-incompetent herpes simplex virus type 1 strain limits recurrent herpetic ocular infection.</a> J. Virol. 76, 3615-3625 (2002).</li><li>Keadle, T. L., Laycock, K. A., Morris, J. L., Leib, D. A., Morrison, L. A., Pepose, J. S., Stuart, P. M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Therapeutic+vaccination+with+vhs(-)+herpes+simplex+virus+reduces+the+severity+of+recurrent+herpetic+stromal+keratitis+in+mice.">Therapeutic vaccination with vhs(-) herpes simplex virus reduces the severity of recurrent herpetic stromal keratitis in mice.</a> J. Gen. Virol. 83, 2361-2365 (2002).</li><li>Keadle, T. L., Morris, J. L., Stuart, P. M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=The+effects+of+aminoguanidine+on+primary+and+recurrent+ocular+herpes+simplex+virus+infection.">The effects of aminoguanidine on primary and recurrent ocular herpes simplex virus infection.</a> Nitric Oxide. 13, 247-253 (2005).</li><li>Stuart, P. M., Morris, J. E., Sidhu, M., Keadle, T. L. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=CCL3+protects+mice+from+corneal+pathology+during+recurrent+HSV-1+infection.">CCL3 protects mice from corneal pathology during recurrent HSV-1 infection.</a> Front. Biosci. 13, 4407-4415 (2008).</li><li>Keadle, T. L., Alexander, D. E., Leib, D. A., Stuart, P. M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Interferon+gamma+is+not+required+for+recurrent+herpetic+stromal+keratitis.">Interferon gamma is not required for recurrent herpetic stromal keratitis.</a> Virology. 380, 46-51 (2008).</li><li>Carr, D. J., Austin, B. A., Halford, W. P., Stuart, P. M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Delivery+of+Interferon-gamma+by+an+adenovirus+vector+blocks+herpes+simplex+virus+Type+1+reactivation+in+vitro+and+in+vivo+independent+of+RNase+L+and+double-stranded+RNA-dependent+protein+kinase+pathways.">Delivery of Interferon-gamma by an adenovirus vector blocks herpes simplex virus Type 1 reactivation in vitro and in vivo independent of RNase L and double-stranded RNA-dependent protein kinase pathways.</a> J. Neuroimmunol. 206, 39-43 (2009).</li></ol>

The recurrent model of herpetic stromal keratitis (HSK) described here enables the investigator to study human HSK in a model that is more consistent with that which is observed during human disease. Thus, the model's strengths are that disease occurs in the context of an immune system that has already by stimulated during primary disease. Since these mice already have an immune response to HSV-1, the factors that reactivate that immune response are likely different from those that originally generated it. Therefore, the...

<table border="1">
	<tbody>
		<tr>
			<td>DMEM</td>
			<td>Sigma</td>
			<td>D5796</td>
		</tr>
		<tr>
			<td>Fetal Bovine Serum</td>
			<td>Atlanta Biologicals</td>
			<td>S11150</td>
		</tr>
		<tr>
			<td>Human Serum</td>
			<td>Sigma</td>
			<td>S7023</td>
		</tr>
		<tr>
			<td>L-Glutamine</td>
			<td>Cellgro</td>
			<td>25-005-C1</td>
		</tr>
		<tr>
			<td>Pen/ Strep</td>
			<td>Sigma</td>
			<td>P4333</td>
		</tr>
		<tr>
			<td>Fungizone</td>
			<td>Invitrogen</td>
			<td>15290018</td>
		</tr>
		<tr>
			<td>Centrifuge</td>
			<td>Sorvall</td>
			<td>Legend RT</td>
		</tr>
		<tr>
			<td>Centrifuge</td>
			<td>Beckman</td>
			<td>52-21</td>
		</tr>
		<tr>
			<td>Transilluminatior</td>
			<td>UVP</td>
			<td>95-0452-02</td>
		</tr>
		<tr>
			<td>Sonicatior</td>
			<td>Branson</td>
			<td>Sonifier 450</td>
		</tr>
		<tr>
			<td>Oak Ridge Tubes</td>
			<td>Nalgene</td>
			<td>Z 720410</td>
		</tr>
		<tr>
			<td>Flasks- 7150</td>
			<td>Corning</td>
			<td>430823</td>
		</tr>
		<tr>
			<td>Plates- 12 well</td>
			<td>Corning</td>
			<td>CLS 3513</td>
		</tr>
		<tr>
			<td>Plates- 48 well</td>
			<td>Corning</td>
			<td>CLS 3548</td>
		</tr>
		<tr>
			<td>Sterile Conical Tubes- 30 ml</td>
			<td>Corning</td>
			<td>CLS 430828</td>
		</tr>
		<tr>
			<td>Sterile Cotton-tipped Applicators</td>
			<td>Fisher</td>
			<td>23-400-125</td>
		</tr>
		<tr>
			<td>30G Needles</td>
			<td>Becton-Dickinson</td>
			<td>305106</td>
		</tr>
		<tr>
			<td>25G Needles</td>
			<td>BD</td>
			<td>305122</td>
		</tr>
		<tr>
			<td>10 ml Syringe</td>
			<td>BD</td>
			<td>309602</td>
		</tr>
		<tr>
			<td>10 ml Syringe</td>
			<td>BD</td>
			<td>309604</td>
		</tr>
	</tbody>
</table>

recurrent herpetic stromal keratitis in mice, a model for studying human hsk

Herpetic eye disease, termed herpetic stromal keratitis (HSK), is a potentially blinding infection of the cornea that results in over 300,000 clinical visits each year for treatment. Between 1 and 2 percent of those patients with clinical disease will experience loss of vision of the infected cornea. The vast majority of these cases are the result of reactivation of a latent infection by herpes simplex type I virus and not due to acute disease. Interestingly, the acute infection is the model most often used to study this disease. However, it was felt that a recurrent model of HSK would be more reflective of what occurs during clinical disease. The recurrent animal models for HSK have employed both rabbits and mice. The advantage of rabbits is that they experience reactivation from latency absent any known stimulus. That said, it is difficult to explore the role that many immunological factors play in recurrent HSK because the rabbit model does not have the immunological and genetic resources that the mouse has. We chose to use the mouse model for recurrent HSK because it has the advantage of there being many resources available and also we know when reactivation will occur because reactivation is induced by exposure to UV-B light. Thus far, this model has allowed those laboratories using it to define several immunological factors that are important to this disease. It has also allowed us to test both therapeutic and vaccine efficacy.

Watch this Scientific Journal Video about Recurrent Herpetic Stromal Keratitis in Mice, a Model for Studying Human HSK at JoVE.com

Recurrent Herpetic Stromal Keratitis in Mice, a Model for Studying Human HSK

Most studies of herpetic corneal disease use a primary infection model. However, primary infection with HSV-1 does not typically lead to human disease. Here we describe a recurrent model of herpetic corneal disease, which more closely mimics human disease.

Herpetic eye disease, termed herpetic stromal keratitis (HSK), is a potentially blinding infection of the cornea that results in over 300,000 clinical ...

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