Heterotopic Hind Limb Transplant
Heterotopic Hind Limb Transplant - Related Videos
14:03
Orthotopic Hind-Limb Transplantation in Rats
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Cited by 21 •
2010
Here we describe the orthotopic rat hind-limb transplantation procedure, which seems to be the gold standard in vivo model for composite tissue allotransplantation research.
09:09
A Modified Heterotopic Swine Hind Limb Transplant Model for Translational Vascularized Composite Allotransplantation (VCA) Research
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Cited by 34 •
2013
Vascularized Composite Allotransplantations (VCA) have become a clinical reality. However, broad clinical application of VCA is limited by chronic multi-drug immunosuppression. The authors present a reliable and reproducible large animal model to translate novel immunomodulatory strategies that can minimize or potentially eliminate the need of immunosuppression in VCA.
23:43
Heterotopic Heart Transplantation in Mice
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Cited by 27 •
2007
The mouse heterotopic heart transplantation model has been proven by many investigators to be an important method for studying mechanisms of rejection and immune response. However, the techniques involved are still challenging. By modifying standard techniques we have had success with more than 1000 transplants.
11:29
A Modified Method for Heterotopic Mouse Heart Transplantion
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Cited by 5 •
2014
A technique is demonstrated for the microsurgical procedure for heterotopic transplantation of hearts in mice, including simplified methods for donor harvesting and recipient vessel anastomosis.
10:27
Murine Heterotopic Heart Transplant Technique
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Cited by 19 •
2014
The manuscript describes the steps required to perform the heterotopic heart transplant in the mouse.
FAQs
Vascular anastomoses connect the donor limb’s arteries and veins with vessels in the recipient, allowing blood to enter and leave the graft. Reestablishing circulation makes it possible to assess whether the transplanted tissues remain viable after implantation. This vascular connection is therefore central to evaluating graft survival and to developing microsurgical approaches for vascularized composite allotransplantation.
Placing the limb at a nonanatomical site allows investigators to study the graft without undertaking the full complexity of functional limb reconstruction. The model emphasizes vascular connection, tissue viability, immune-mediated rejection, and treatment response. By separating graft monitoring from restoration of normal limb function, it provides a practical experimental setting for testing reconstructive transplantation strategies.
Researchers can follow several outcomes, including graft survival, tissue viability, and immune-mediated rejection. These observations show whether the transplanted composite tissues remain healthy and how the recipient responds immunologically to the graft. The model also permits assessment of responses to immunosuppressive therapies, helping investigators examine approaches intended to preserve transplanted tissue.
The procedure requires placing a donor hind limb at a nonanatomical recipient site and performing microsurgical vascular anastomoses. Surgeons connect the donor arteries and veins to recipient vessels, then assess the restoration of blood flow. Subsequent observation focuses on graft survival, tissue viability, rejection, and the effects of any immunosuppressive treatment used in the study.
Researchers use the model when they need to investigate transplanted composite tissues without concentrating on immediate functional limb reconstruction. It supports studies of graft survival, immune-mediated rejection, tissue viability, and immunosuppressive responses. These features make it useful for developing surgical techniques and evaluating tolerance-inducing strategies relevant to reconstructive transplantation.
Its value extends beyond the transplanted limb because it provides a platform for studying principles of vascularized composite allotransplantation. Findings can inform efforts to develop tolerance-inducing strategies and improve reconstructive transplantation. In this context, the model contributes to research aimed at future applications involving limbs and other composite tissues.