Name: pseudofracture: an acute peripheral tissue trauma model
Uploaded: 2011-04-18T11:00:00
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Biologia financiamento Source / Número Molecular de choque hemorrágico GM053789

1. Instrumento e Preparação do campo cirúrgico: Todos os procedimentos experimentais são realizadas usando técnicas assépticas. Antes de começar, a área experimental devem ser cuidadosamente limpos e esterilizados. A bancada deve ser desinfetada, secas ao ar e depois limpo com álcool 70%. Coloque uma almofada cirúrgica azul e campo estéril vestir na área de trabalho experimental. Todos os materiais e instrumentos são esterilizados em autoclave antes de...

<ol>
	<li>DeCamp, M. M., Demling, R. H. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Posttraumatic+multisystem+organ+failure.">Posttraumatic multisystem organ failure.</a> JAMA. 260, 530-534 (1988).</li><li>Deitch, E. A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Multiple+organ+failure.+Pathophysiology+and+potential+future+therapy.">Multiple organ failure. Pathophysiology and potential future therapy.</a> Ann Surg. 216, 117-134 (1992).</li><li>Carrico, C. J., Meakins, J. L., Marshall, J. C. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Multiple+organ+failure+syndrome.">Multiple organ failure syndrome.</a> Arch Surg. 121, 196-208 (1986).</li><li>Hauser, C. J., Joshi, P., Jones, Q. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Suppression+of+natural+killer+cell+activity+in+patients+with+fracture/soft+tissue+injury.">Suppression of natural killer cell activity in patients with fracture/soft tissue injury.</a> Arch Surg. 132, 1326-1330 (1997).</li><li>Faist, E., Baue, A. E., Dittmer, H. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Multiple+organ+failure+in+polytrauma+patients.">Multiple organ failure in polytrauma patients.</a> J Trauma. 23, 775-787 (1983).</li><li>Baker, C. C., Oppenheimer, L., Stephens, B. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Epidemiology+of+trauma+deaths.">Epidemiology of trauma deaths.</a> Am J Surg. 140, 144-150 (1980).</li><li>Faist, E., Kupper, T. S., Bakeer, C. L. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Depression+of+cellular+immunity+after+major+injury+its+association+with+posttraumatic+complications+and+its+reversal+with+immunomodulation.">Depression of cellular immunity after major injury its association with posttraumatic complications and its reversal with immunomodulation.</a> Arch Surg. 121, 1000-1005 (1986).</li><li>Lenz, A., Franklin, G. A., Cheadle, W. G. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Systemic+inflammation+after+trauma.">Systemic inflammation after trauma.</a> Injury. 38, 1336-1345 (2007).</li><li>Flohe, S., Flohe, S. B., Schade, F. G. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Immune+response+of+severely+injured+patients--influence+of+surgical+intervention+and+therapeutic+impact.">Immune response of severely injured patients--influence of surgical intervention and therapeutic impact.</a> Lang Arch Surg. 392, 639-648 (2007).</li><li>Ayala, A., Wang, P., Ba, Z. F. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Differential+alterations+in+plasma+IL-6+and+TNF+levels+after+trauma+and+hemorrhage.">Differential alterations in plasma IL-6 and TNF levels after trauma and hemorrhage.</a> Am J Physiol. 260, R167-R171 (1991).</li><li>Kalicke, T., Schlegel, U., Printzen, G. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Influence+of+a+standardized+closed+soft+tissue+trauma+on+resistance+to+local+infection.+An+experimental+study+in+rats.">Influence of a standardized closed soft tissue trauma on resistance to local infection. An experimental study in rats.</a> J Ortho Res. 21, 373-378 (2003).</li><li>Kobbe, P., Vodovotz, Y., Kaczorowski, D. J. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=The+role+of+fracture+associated+soft+tissue+injury+in+the+induction+of+sytemic+inflammation+and+remote+organ+dysfunction+after+bilateral+femur+fracture.">The role of fracture associated soft tissue injury in the induction of sytemic inflammation and remote organ dysfunction after bilateral femur fracture.</a> J Ortho Trauma. 22, 385-390 (2008).</li><li>Kobbe, P., Vodovotz, Y., Kaczorwoski, D. J. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Pattern+of+cytokine+release+and+evolution+of+remote+organ+dysfunction+after+bilateral+femur+fracture.">Pattern of cytokine release and evolution of remote organ dysfunction after bilateral femur fracture.</a> Shock. 30, 43-47 (2008).</li><li>Flohe, S. B., Flohe, S., Schade, F. U. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Deterioration+of+the+immune+system+after+trauma:+signals+and+cellular+mechanisms.">Deterioration of the immune system after trauma: signals and cellular mechanisms.</a> Inn. Immun. 14, 333-344 (2008).</li><li>Maier, B., LeFering, R., Lhenert, M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Early+versus+late+onset+of+multiple+organ+failure+is+associated+with+differing+patterns+of+plasma+cytokine+biomarker+expression+and+outcome+after+severe+trauma.">Early versus late onset of multiple organ failure is associated with differing patterns of plasma cytokine biomarker expression and outcome after severe trauma.</a> Shock. 28, 668-674 (2007).</li><li>Mestas, J., Hughes, C. W. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Of+mice+not+men:+differences+between+mouse+and+human+immunology.">Of mice not men: differences between mouse and human immunology.</a> J. Immunol. 172, 2731-2738 (2004).</li><li>Hoth, J. J., Wells, J. D., Brownlee, N. A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Toll+like+receptor+4-dependent+responses+to+lung+injury+in+a+murine+model+of+pulmonary+contusion.">Toll like receptor 4-dependent responses to lung injury in a murine model of pulmonary contusion.</a> Shock. 31, 376-381 (2009).</li><li>Matsutani, T., Samy, A. n. a. n. t. h. a., Rue, T. S., W, L. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Transgenic+prolactin-/-+mice:+effect+of+trauma-hemorrhage+on+splenocyte+functions.">Transgenic prolactin-/- mice: effect of trauma-hemorrhage on splenocyte functions.</a> Am J Physiol Cell Physiol. 288, 1109-1116 (2005).</li><li>Matsutani, T., Samy, A. n. a. n. t. h. a., Kang, T. S., S-C, . <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Mouse+genetic+background+influences+severity+of+immune+responses+following+trauma-hemorrhage.">Mouse genetic background influences severity of immune responses following trauma-hemorrhage.</a> Cytokine. 30, 168-117 (2005).</li><li>Tsukamoto, T., Pape, H. C. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Animal+models+for+trauma+research:+What+are+the+options.">Animal models for trauma research: What are the options.</a> Shock. 31, 3-10 (2008).</li><li>DeMaria, E. J., Pellicane, J. V., Lee, R. B. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Hemorrhagic+shock+in+endotoxin+resistant+mice+:+Improved+survival+unrelated+to+deficient+production+of+tumor+necrosis+factor.">Hemorrhagic shock in endotoxin resistant mice : Improved survival unrelated to deficient production of tumor necrosis factor.</a> J Trauma. 35, 720-724 (1993).</li><li>Jamsa, T., Jalovaara, P., Peng, Z. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Comparison+of+three-point+bending+test+and+peripheral+quantitative+computed+tomography+analysis+in+the+evaluation+of+the+strength+of+mouse+femur.">Comparison of three-point bending test and peripheral quantitative computed tomography analysis in the evaluation of the strength of mouse femur.</a> Bone. 23, 155-161 (1998).</li><li>Bounarens, F., Einhorn, T. A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Production+of+a+standard+closed+fracture+in+laboratory+animal+bone.">Production of a standard closed fracture in laboratory animal bone.</a> J Ortho Res. 2, 97-101 (1984).</li><li>Holstein, J. H., Menger, M. D., Culemann, U. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Development+of+a+locking+femur+nail+for+mice.">Development of a locking femur nail for mice.</a> J Biomech. 40, 215-219 (2007).</li><li>Holstein, J. H., Garcia, P., Histing, T. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Advances+in+the+establishment+of+defined+mouse+models+for+the+study+of+fracture+healing+and+bone+regeneration.">Advances in the establishment of defined mouse models for the study of fracture healing and bone regeneration.</a> J Orthop Trauma. 23, S31-S38 (2009).</li><li>Histing, T., Garcia, P., Matthys, R. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=An+internal+locking+plate+to+study+intramembranous+bone+healing+in+a+mouse+femur+fracture+model.">An internal locking plate to study intramembranous bone healing in a mouse femur fracture model.</a> J Orthop Research. 28, 397-402 .</li><li>Manigrasso, M. B., O'Connor, J. P. <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+closed+femur+fracture+model+in+mice.">Characterization of a closed femur fracture model in mice.</a> J Ortho Trauma. 18, 687-695 (2004).</li><li>Mark, H., Bergholm, J., Nilsson, A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=An+external+fixation+method+and+device+to+study+fracture+healing+in+rats.">An external fixation method and device to study fracture healing in rats.</a> Acta Orthop Scand. 74, 476-487 (2003).</li><li>Bhandari, M., Shanghnessy, S. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=A+minimally+invasive+percutaneous+technique+of+intramedullary+nail+insertion+in+an+animal+model+of+fracture+healing.">A minimally invasive percutaneous technique of intramedullary nail insertion in an animal model of fracture healing.</a> Arch Orthop Trauma Surg. 121, 591-593 (2001).</li><li>Sonanis, S. V., Lampard, A. L., Kamat, N. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=A+simple+technique+to+remove+a+bent+femoral+intramedullary+nail+and+broken+interlocking+screw.">A simple technique to remove a bent femoral intramedullary nail and broken interlocking screw.</a> J Trauma. 63, 435-438 (2007).</li><li>Kobbe, P., Kaczorwoski, D. J., Vodovotz, Y. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Local+exposure+of+bone+components+to+injured+soft+tissue+induces+Toll-like+receptor+4-dependent+systemic+inflammation+with+acute+lung+injury.">Local exposure of bone components to injured soft tissue induces Toll-like receptor 4-dependent systemic inflammation with acute lung injury.</a> Shock. 30, 686-691 (2008).</li><li>Bumann, M., Henke, T., Gerngross, H. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Influence+of+haemorrhagic+shock+on+fracture+healing.">Influence of haemorrhagic shock on fracture healing.</a> Lang Arch Surg. 388, 331-338 (2003).</li><li>Santry, H. P., Alam, H. B. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Fluid+resuscitation:+past,+present,+and+the+future.">Fluid resuscitation: past, present, and the future.</a> Shock. 33, 229-241 (2010).</li><li>Hierholzer, C., Billiar, T. R. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Molecular+mechanisms+in+the+early+phase+of+hemorrhagic+shock.">Molecular mechanisms in the early phase of hemorrhagic shock.</a> Lang Arch Surg. 386, 302-308 (2001).</li><li>Chaudry, I., Ayala, A., Ertel, W. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Hemorrhage+and+resuscitation:+immunological+aspects.">Hemorrhage and resuscitation: immunological aspects.</a> Am J Physiol. 259, 63-678 (1990).</li><li>Kawasaki, T., Hubbard, W. J., Choudhry, M. A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Trauma-hemorrhage+induces+depressed+splenic+dendritic+cell+functions+in+mice.">Trauma-hemorrhage induces depressed splenic dendritic cell functions in mice.</a> J Immunol. 177, 4514-4520 (2006).</li><li>Kohut, L., Darwiche, S. S., Frank, A. M., Brumfield, J. M., Billiar, T. R. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Fixed+volume+or+Fixed+Pressure:+A+Murine+Model+of+Hemorrhgaic+Shock.">Fixed volume or Fixed Pressure: A Murine Model of Hemorrhgaic Shock.</a> J Vis Exp. , (2010).</li><li>Menzel, C. L., Pfeifer, R., Darwiche, S. S. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Models+of+lower+extremity+damage+in+mice:+time+course+of+organ+damage+and+immune+response.">Models of lower extremity damage in mice: time course of organ damage and immune response.</a> J Surg Res. 166, e149-e156 (2011).</li><li>Pfeifer, R., Kobbe, P., Darwiche, S. S. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Role+of+hemorrhage+in+the+induction+of+systemic+inflammation+and+remote+organ+damage:+Analysis+of+combined+pseudo-fracture+and+hemorrhagic+shock.">Role of hemorrhage in the induction of systemic inflammation and remote organ damage: Analysis of combined pseudo-fracture and hemorrhagic shock.</a> J Orthop Res. 29, 270-274 (2011).</li></ol>

Pseudofracture, um modelo reprodutível murino de trauma músculo-esquelético estéril, permite a avaliação da pós-traumático respostas imunes. O modelo pseudofracture imunologicamente imita um ambiente fratura extremidade por meio de recreação das características de uma fratura de ossos longos: músculo lesionado e tecidos moles são expostos a danos no osso e da medula óssea sem quebrar o osso nativo 38,39 Uma resposta bifásica imunológico pode ser visto a seguir. trauma pseudofracture que consis...

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		<tr>
		<th>Material Name</th>
		<th>Type</th>
		<th>Company</th>
		<th>Catalogue Number</th>
		<th>Comment</th>
		</tr>
		</thead>
		<tbody>
		
<tr>
<td>Surgical blue pad</td>
<td>&nbsp;</td>
<td>Fisher Scientific</td>
<td>50-7105</td>
<td>&nbsp;</td>
<tr>
<td>Sterile Field dressings</td>
<td>&nbsp;</td>
<td>Fisher Scientific</td>
<td>NC9517505</td>
<td>&nbsp;</td>
<tr>
<td>Circulating heating pad 18"x26"</td>
<td>&nbsp;</td>
<td>Harvard</td>
<td>py872-5272</td>
<td>&nbsp;</td>
<tr>
<td>Hot bead instrument sterilizer</td>
<td>&nbsp;</td>
<td>VWR</td>
<td>11156-002</td>
<td>&nbsp;</td>
<tr>
<td>Stainless steel tray 8" x 11"</td>
<td>&nbsp;</td>
<td>VWR</td>
<td>62687-049</td>
<td>&nbsp;</td>
<tr>
<td>Plexiglass boards (10x15x0.5cm) </td>
<td>&nbsp;</td>
<td>University of Pittsburgh Machine shop</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>Tape rolls 1"</td>
<td>&nbsp;</td>
<td>Corporate Express</td>
<td>MMM26001</td>
<td>&nbsp;</td>
<tr>
<td>50cc conical tube</td>
<td>&nbsp;</td>
<td>can be purchased through any global vendor</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>Straight side wide mouth jars (used as cap for nose cone)</td>
<td>&nbsp;</td>
<td>VWR</td>
<td>159000-058</td>
<td>&nbsp;</td>
<tr>
<td>Oster A5 clippers w. size 40 blade</td>
<td>&nbsp;</td>
<td>VWR</td>
<td>10749-020</td>
<td>&nbsp;</td>
<tr>
<td>Surgical scissors (straight &#x2013; 12cm)</td>
<td>&nbsp;</td>
<td>Fine Science Tools</td>
<td>14068-12</td>
<td>&nbsp;</td>
<tr>
<td>Hemostats curved -18cm</td>
<td>&nbsp;</td>
<td>Harvard</td>
<td>81331718</td>
<td>&nbsp;</td>
<tr>
<td>Forceps (0.8mm-tip, curved-10cm)</td>
<td>&nbsp;</td>
<td>Fine Science Tools</td>
<td>11050-10</td>
<td>&nbsp;</td>
<tr>
<td>Gauze 4"x4"</td>
<td>&nbsp;</td>
<td>can be purchased through any global vendor</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>1.5cc microfuge tube</td>
<td>&nbsp;</td>
<td>can be purchased through any global vendor</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>Ice bucket</td>
<td>&nbsp;</td>
<td>can be purchased through any global vendor</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>Mortar and Pestle </td>
<td>&nbsp;</td>
<td>Fisher</td>
<td>12-961AA</td>
<td>&nbsp;</td>
<tr>
<td>1cc syringe w/ 25G needle</td>
<td>&nbsp;</td>
<td>Fisher Scientific</td>
<td>14-826-88</td>
<td>&nbsp;</td>
<tr>
<td>20G needle</td>
<td>&nbsp;</td>
<td>can be purchased through any global vendor</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>1mL pipetteman</td>
<td>&nbsp;</td>
<td>can be purchased through any global vendor</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>1mL pipette tips</td>
<td>&nbsp;</td>
<td>can be purchased through any global vendor</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>Falcon polystyrene 8ml tubes </td>
<td>&nbsp;</td>
<td>VWR</td>
<td>60819-331</td>
<td>&nbsp;</td>
<tr>
<td>Sterilization pouch 3"x8"</td>
<td>&nbsp;</td>
<td>VWR</td>
<td>24008</td>
<td>&nbsp;</td>
<tr>
<td>Sterilization pouch 5"x10"</td>
<td>&nbsp;</td>
<td>VWR</td>
<td>24010</td>
<td>&nbsp;</td>
<tr>
<td>MacConkey II Agar plate</td>
<td>&nbsp;</td>
<td>BD Biosciences</td>
<td>221172</td>
<td>&nbsp;</td>
<tr>
<td>Ethyl Alcohol - 200 proof </td>
<td>&nbsp;</td>
<td>Pharmaco-AAPER</td>
<td>&nbsp;</td>
<td>[70%]</td>
</tr>
<tr>
<td>Pentobarbital Sodium (Nembutol Sodium Solution)</td>
<td>&nbsp;</td>
<td>Ovation </td>
<td>&nbsp;</td>
<td>70mg/kg</td>
</tr>
<tr>
<td>Aerrane (Isoflurane)</td>
<td>&nbsp;</td>
<td>Baxter </td>
<td>&nbsp;</td>
<td>99.9%</td>
</tr>
<tr>
<td>Triadine Povidone Iodine (Betadine)</td>
<td>&nbsp;</td>
<td>Triad disposables</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>Phosphate Buffered Saline (PBS)</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>Buprenorphine HCl</td>
<td>&nbsp;</td>
<td>Bedford Laboratories</td>
<td>&nbsp;</td>
<td>0.1mg/kg</td>
</tr>		</tbody>
		</table>
		</div>

pseudofracture: an acute peripheral tissue trauma model

Após o trauma não é uma resposta hiper-reativa início inflamatória que pode levar à disfunção de múltiplos órgãos e mortalidade em pacientes com trauma; esta resposta é muitas vezes acompanhada por uma imunossupressão atrasada que adiciona as complicações clínicas da infecção e também pode aumentar a mortalidade 1-9. Muitos estudos já começaram a avaliar essas alterações na reatividade do sistema imune após o trauma. 10-15 Estudos imunológicos são muito apoiados através da grande variedade de transgênicos e camundongos knockout disponíveis na modelagem vivo;. Destas cepas ajuda nas investigações detalhadas para avaliar as vias moleculares envolvidos nas respostas imunológicas 16-21 O desafio na modelagem experimental murino trauma é a investigação de longo prazo, como as técnicas de fixação de fratura em camundongos, pode ser complexo e não é facilmente reproduzível. 22-30 Este modelo pseudofracture, um modelo de trauma facilmente reproduzido, supera essas dificuldades imunologicamente imitando um ambiente fratura extremidade, permitindo liberdade de movimentos dos animais ea sobrevivência a longo prazo sem o uso contínuo e prolongado de anestesia. A intenção é recriar as características de fratura de ossos longos; músculo lesionado e tecidos moles são expostos a danos no osso e da medula óssea sem quebrar o osso nativo. O modelo pseudofracture consiste de duas partes: a lesão por esmagamento bilateral do músculo de membros posteriores, seguida pela injeção de uma solução para estes músculos osso lesionado. A solução osso é preparado pela colheita dos ossos longos dos dois membros posteriores de uma idade e peso-dador singeneicos. Estes ossos são então esmagados e ressuspenso em tampão fosfato salino para criar a solução óssea. Fratura de fêmur bilateral é um modelo comumente usados ​​e bem estabelecida de trauma extremo, e foi o modelo comparativo durante o desenvolvimento do modelo pseudofracture. Entre a variedade de modelos disponíveis fratura, optamos por utilizar um método fechado de fratura com lesão de tecidos moles como a nossa comparação com o pseudofracture, como queríamos um estéril ainda proporcionalmente grave trauma modelo periférica tecido. 31 Choque hemorrágico é um achado comum no cenário de trauma grave, ea hipoperfusão mundial adiciona um elemento muito relevante para um modelo de trauma. 32-36 O modelo pseudofracture pode ser facilmente combinada com um modelo de choque hemorrágico de um modelo de trauma múltiplo de alta severidade 37.

Watch this Scientific Journal Video about Pseudofracture: An Acute Peripheral Tissue Trauma Model at JoVE.com

Pseudofracture: An Acute Peripheral Tissue Trauma Model

Pseudofracture, um modelo reprodutível murino de trauma músculo-esquelético estéril, permite a avaliação de final de mandato pós-traumático respostas imunes. Este artigo descreve a execução processual do modelo passo a passo, incluindo a possibilidade de combinações de modelo experimental para permitir estudo de trauma múltiplo.

Pseudofracture: Um Modelo de trauma agudo do tecido periférico

Following trauma there is an early hyper-reactive inflammatory response that can lead to multiple organ dysfunction and high mortality in trauma patients; ...

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