Name: murine corneal transplantation: a model to study the most common form of solid organ transplantation
Uploaded: 2014-11-17T13:00:00
Description: Watch this Scientific Journal Video about Murine Corneal Transplantation: A Model to Study the Most Common Form of Solid Organ Transplantation at JoVE.com

The authors would like to thank the many individuals who have worked on and perfected this technique and have been responsible for the generation of many manuscripts both in this lab and others. This work was supported by National Institutes of Health Grant EY12707 (PMS) and an unrestricted grant from Research to Prevent Blindness to Department of Ophthalmology.

BEMÆRK: Alle dyr, der anvendes i denne procedure behandles i overensstemmelse med Foreningen for Forskning i Vision og Oftalmologi redegørelse for brugen af ​​dyr i Ophthalmic og Vision Research samt de retningslinjer, der er fastsat af dyret tilsynsudvalg ved Saint Louis University. BEMÆRK: Alle kirurgiske instrumenter og opløsninger steriliseres forud for operation for at begrænse mikrobiel infektion i øjet. Det skal bemærkes, at mens dyrene gøre oplever nogen smerte fra denne procedure, vi ikke bes...

<ol>
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Den murine model af hornhinde transplantation beskrevet her giver investigator for at studere menneskets hornhinde allograftafstødning i en model, der er prædiktive for, hvilke faktorer der bedst forbundet med både afvisning 15,17,18,20, 26-30 og accept 21-25 af hornhinde allografter. I modsætning til den menneskelige hornhinde transplantation, hvor patienterne får enten topisk eller systemisk steroidbehandling til enten at behandle eller forhindre afstødning 31, er denne model anv...

Hornhindetransplantation er en af ​​de mest vellykkede og almindelige typer af transplantation udføres i mennesker. Hvorfor denne operation udføres, er et resultat af skade, infektionssygdomme 1, eller andre former for ikke-infektiøs corneasygdom 2. Tal fra Eye Bank Association of America viser, at over 46.000 blev udført i 2011 (se hjemmeside på: restoresight.org/eye_banks/eye_banks.html). En indikation af dens succes er at et år fejlrater for allogene hornhinde podninger spænder fra 10 til 15%, og efter 5 år succesen er over 70% 3-8. Så mange undersøgelser har vist, er succes hornhinde allotransplantater direkte relateret til det faktum, at øjet er et immunologisk privilegeret sted. Faktorer, der er ansvarlige for hornhinder status som en immun privilegium websted omfatter manglen på både blod- og lymfekar i hornhinden, en relativ mangel af antigen-præsenterende celler, faktorer produceret af hornhinden at suppress immuneffektorceller funtions 9-15, lav ekspression af MHC antigener 16, og ekspressionen af FasL 17-20. Men på trods af disse faktorer, som disponerer disse podninger for succes, må de gennemgå afvisning 3-7. Derfor forstå de mekanismer, der medierer denne afvisning samt teste de forskellige behandlingsformer til at forhindre afstødning er af afgørende betydning. Med henblik herpå vi beskriver her en murin model for hornhinde-transplantation, der har været i brug i over 20 år til at undersøge corneal transplantation i et kontrolleret eksperimentelle miljø. Da transplantationscentre reaktioner involverer mange forskellige faktorer, der arbejder i koncert, der vil endelige afgøre, om det transplanterede væv svigter eller lykkes, er det ikke muligt at forstå betydningen af disse faktorer i en in vitro model. Derfor er undersøgelser med anvendelse af levende dyr for at afgøre, hvilke faktorer er vigtige for enten succes eller failure af transplanteret væv. Mens andre dyrearter er blevet anvendt til at studere hornhindetransplantation den murine model har flere fordele i forhold til anvendelse af andre arter. Den første er, at der findes mange stammer af mus, der udtrykker bestemte transgener eller er blevet gen-målrettede at mangle ekspression af specifikke immunologiske faktorer, hvis funktion i transplantation bedre kan undersøges. Derudover er der mange reagenser (både rekombinante faktorer og antistoffer, der neutraliserer faktorer), der er specifikke for mus, og som ikke findes for mange andre arter af dyr. På grund af eksistensen af disse faktorer, er denne model blevet brugt i udstrakt grad at identificere relevante faktorer involveret i akutte hornhinde allogen svar 15, 17,18,20 -29. Desuden er mange af de faktorer, der er involveret i hornhinde transplantation også kendt for at være funktionelle i transplantation af andre væv.

<table border="0" cellpadding="0" cellspacing="0" width="573">
	<tbody>
		<tr height="42">
			<td height="42" style="height:42px;width:216px;">Name of Material/ Equipment</td>
			<td style="width:71px;">Company</td>
			<td style="width:119px;">Catalog Number</td>
			<td style="width:167px;">Comments/Description</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:216px;">Zeiss Surgical Microscope</td>
			<td style="width:71px;">Zeiss</td>
			<td style="width:119px;">Rebuilt</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">1 mL Syringe</td>
			<td>BD</td>
			<td>305122</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">3 mL Syringe</td>
			<td>BD</td>
			<td>309657</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">10 mL Syringe</td>
			<td>BD</td>
			<td>309602</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:216px;">Vannus Scissors</td>
			<td style="width:71px;">Stortz</td>
			<td style="width:119px;">E-3387</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:216px;">11-0 Sutures</td>
			<td style="width:71px;">Alcon</td>
			<td style="width:119px;">717939M</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:216px;">Trephine 2.0mm</td>
			<td style="width:71px;">Katena</td>
			<td style="width:119px;">K 2-7520</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:216px;">Trephine 1.5 mm</td>
			<td style="width:71px;">Katena</td>
			<td style="width:119px;">K 2-7510</td>
			<td></td>
		</tr>
		<tr height="41">
			<td height="41" style="height:41px;width:216px;">Tricaine Hydrochloride 0.5%</td>
			<td style="width:71px;">Alcon</td>
			<td style="width:119px;">NDC 0065-0741-12</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:216px;">Healon</td>
			<td style="width:71px;">Abbott</td>
			<td style="width:119px;">Healon OVD</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:216px;">Forceps</td>
			<td style="width:71px;">FST</td>
			<td style="width:119px;">11251-20</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:216px;">7-0 Sutures</td>
			<td style="width:71px;">Alcon</td>
			<td align="right" style="width:119px;">8065</td>
			<td></td>
		</tr>
		<tr height="41">
			<td height="41" style="height:41px;width:216px;">2.5% Phenylephrine HCl</td>
			<td style="width:71px;">Alcon</td>
			<td style="width:119px;">NDC 61314-342-02</td>
			<td></td>
		</tr>
		<tr height="41">
			<td height="41" style="height:41px;width:216px;">1% Tropicamide</td>
			<td style="width:71px;">Bausch &#38; Lomb</td>
			<td style="width:119px;">NDC-24208-585-59</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:216px;">Hamilton Syringe</td>
			<td style="width:71px;">Hamilton</td>
			<td style="width:119px;">7654-01</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:216px;">33 gauge needle</td>
			<td style="width:71px;">Hamilton</td>
			<td align="right" style="width:119px;">90033</td>
			<td></td>
		</tr>
		<tr height="41">
			<td height="41" style="height:41px;width:216px;">Cell Strainer (100 &#956;m nylon)</td>
			<td style="width:71px;">BD Falcon</td>
			<td align="right" style="width:119px;">352360</td>
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		</tr>
		<tr height="41">
			<td height="41" style="height:41px;width:216px;">Hemocytometer</td>
			<td style="width:71px;">Cardinal Health</td>
			<td style="width:119px;">B3175</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:216px;">Trypan Blue</td>
			<td style="width:71px;">Sigma</td>
			<td style="width:119px;">T8154</td>
			<td></td>
		</tr>
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murine corneal transplantation: a model to study the most common form of solid organ transplantation

Corneal transplantation is the most common form of organ transplantation in the United States with between 45,000 and 55,000 procedures performed each year. While several animal models exist for this procedure and mice are the species that is most commonly used. The reasons for using mice are the relative cost of using this species, the existence of many genetically defined strains that allow for the study of immune responses, and the existence of an extensive array of reagents that can be used to further define responses in this species. This model has been used to define factors in the cornea that are responsible for the relative immune privilege status of this tissue that enables corneal allografts to survive acute rejection in the absence of immunosuppressive therapy. It has also been used to define those factors that are most important in rejection of such allografts. Consequently, much of what we know concerning mechanisms of both corneal allograft acceptance and rejection are due to studies using a murine model of corneal transplantation. In addition to describing a model for acute corneal allograft rejection, we also present for the first time a model of late-term corneal allograft rejection.

Den murine model af hornhindetransplantation har været anvendt i over 20 år med held karakterisere mekanismer både hornhinde allograftafstødning 19-23 og hornhinden allograft accept 13, 15,16,18, 24-27. Denne model blev brugt til at fastslå betydningen af FasL ekspression i hornhinde allograft accept, i, at dyr, der mangler FasL ikke var i stand til at acceptere hornhinde allografter 15. Det er også blevet anvendt til at påvise, at vaskulær endotel vækstfaktor receptor 1 morphol...

Watch this Scientific Journal Video about Murine Corneal Transplantation: A Model to Study the Most Common Form of Solid Organ Transplantation at JoVE.com

Murine Corneal Transplantation: A Model to Study the Most Common Form of Solid Organ Transplantation

Mice have been used as a model for studying many forms of transplantation, including corneal transplantation. We describe in this report a murine model for both acute and late-term corneal transplantation.

Murin hornhindetransplantation: en model til at studere den mest almindelige form for organtransplantation

Corneal transplantation is the most common form of organ transplantation in the United States with between 45,000 and 55,000 procedures performed each ...

Research

JoVE Journal

Medicine

Orthotopic Aortic Transplantation: A Rat Model to Study the Development of Chronic Vasculopathy

Research models of chronic rejection are essential to investigate pathobiological and pathophysiological processes during the development of transplant ...

A Method for Murine Islet Isolation and Subcapsular Kidney Transplantation

Since the early pioneering work of Ballinger and Reckard demonstrating that transplantation of islets of Langerhans into diabetic rodents could normalize ...

Murine Cervical Heart Transplantation Model Using a Modified Cuff Technique

Muse Livmoderhalskræft Heart transplantation model ved hjælp af en modificeret Cuff Teknik

Mouse models are of special interest in research since a wide variety of monoclonal antibodies and commercially defined inbred and knockout strains are ...

Cardiac Catheterization in Mice to Measure the Pressure Volume Relationship: Investigating the Bowditch Effect

Hjertekateterisation i mus til at måle trykket Volume Forholdet: Undersøgelse af Bowditch Effect

Animal models that mimic human cardiac disorders have been created to test potential therapeutic strategies. A key component to evaluating these ...

A Porcine Corneal Endothelial Organ Culture Model Using Split Corneal Buttons

En Ornesen Endothelial organ kultur model ved hjælp af Split cornea-knapper

Experimental research on corneal endothelial cells is associated with several difficulties. Human donor corneas are scarce and rarely available for ...

Development of a Noninvasive, Laser-Assisted Experimental Model of Corneal Endothelial Cell Loss

Udvikling af en noninvasive, Laser-Assisteret eksperimentel model af Hornhinde Endotel Cell Loss

Nd:YAG lasers have been used to perform noninvasive intraocular surgery, such as capsulotomy for several decades now. The incisive effect relies on the ...

Reduced Complications after Arterial Reconnection in a Rat Model of Orthotopic Liver Transplantation

Reduceret komplikationer efter arteriel gentilslutning i en rotte model af ortopisk levertransplantation

The rat orthotopic liver transplantation (OLT) model is a powerful tool to study acute and chronic rejection. However, it is not a complete representation ...

Orthotopic Kidney Auto-Transplantation in a Porcine Model Using 24 Hours Organ Preservation And Continuous Telemetry

Ortopisk nyre auto-transplantation i en porcine model ved hjælp af 24 timers organbevarelse og kontinuerlig telemetri

In the present era of organ transplantation with critical organ shortage, various strategies are employed to expand the pool of available allografts for ...

Intramyocardial Transplantation of MSC-Loading Injectable Hydrogels after Myocardial Infarction in a Murine Model

Intramyocardial Transplantation af MSC-Loading Injicerbare Hydrogels efter Myocardial Infarkt i en Murine Model

One of the major issues facing current cardiac stem cell therapies for preventing postinfarct heart failure is the low retention and survival rates of ...

Organ Ischemia-Reperfusion Injury by Simulating Hemodynamic Changes in Rat Liver Transplant Model

Organ Iskæmi-Reperfusion Skade ved at simulere hæmodynamiske ændringer i rottelevertransplantation Model

Orthotopic liver transplantation (OLT) in rats is a tried and proven animal model used for preoperative, intraoperative, and postoperative studies, ...