Composite Tissue Graft
Composite Tissue Graft - Related Videos
12:22
Synthesis of Thermogelling Poly(N-isopropylacrylamide)-graft-chondroitin Sulfate Composites with Alginate Microparticles for Tissue Engineering
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Cited by 11 •
2016
An injectable tissue engineering scaffold composed of poly(N-isopropylacrylamide)-graft-chondroitin sulfate (PNIPAAm-g-CS)-containing alginate microparticles was prepared. The adhesive strength, swelling properties and in vitro biocompatibility are analyzed in this study. The characterization techniques developed here may be applicable to other thermogelling systems.
13:04
Generation and Grafting of Tissue-engineered Vessels in a Mouse Model
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Cited by 13 •
2015
Here, we present a protocol to generate tissue engineered vessel grafts that are functional for grafting into mice by double seeding partially induced pluripotent stem cell (PiPSC) - derived smooth muscle cells and PiPSC - derived endothelial cells on a decellularized vessel scaffold bioreactor.
06:26
Experimental Implementation of a New Composite Fabrication Method: Exposing Bare Fibers on the Composite Surface by the Soft Layer Method
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Cited by 3 •
2017
A protocol to expose bare fibers on the composite surface by eliminating resin rich area is presented. The fibers are exposed during fabrication of the composites, not by the post surface treatment. The exposed carbon composites exhibit high electrical conductivity in the through-thickness direction and high mechanical property.
09:30
Tissue Characterization after a New Disaggregation Method for Skin Micro-Grafts Generation
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Cited by 44 •
2016
The protocol describes a new method to disaggregate human tissues and to create autologous micro-grafts that, combined with collagen sponges, give rise to human bio-complexes ready to use in the treatment of skin lesions. Further, this system preserves cell viability of micro-grafts at different times after mechanical disaggregation.
09:14
Surgical Approach to Full Soft Tissue Face Allograft Procurement for Vascularized Composite Allotransplantation
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2025
This protocol details the surgical technique used to harvest and prepare a full-face allograft for transplantation in patients with severe facial disfigurements, focusing primarily on soft tissue procurement with limited bony harvest restricted to the nasal framework.
FAQs
Rejection begins when the recipient’s immune system identifies donor antigens, including human leukocyte antigens, as foreign. This recognition activates T cells and inflammatory pathways, which can damage the transplanted tissues. Because a composite tissue graft contains several cellular tissue types, immune monitoring must account for responses affecting the graft as a whole.
The skin component can expose the graft to immune recognition while the graft’s other tissues add further cellular diversity. This combination helps explain why rejection risk may be greater than in a transplant involving a more limited tissue composition. It also makes infection prevention important, since exposed skin and multiple tissue interfaces create clinically relevant vulnerabilities.
Immunosuppressive therapy limits the recipient’s immune response by reducing the activity of the rejection process described for donor antigens, T cells, and inflammatory pathways. It is therefore central to immune management, but it does not remove the need for infection prevention. Composite tissue graft care must address both rejection control and infection risk.
Researchers and clinicians can use monitoring to track signs related to rejection and infection while evaluating how the recipient’s immune system responds to donor tissues. In composite tissue grafts, this surveillance is especially relevant because skin, muscle, bone, nerves, and blood vessels may be affected within the same transplanted unit.
Composite tissue grafts are used when reconstruction must address complex injuries or congenital defects, including reconstructive transplantation of the hand and face. Their value comes from replacing or repairing several tissue components within one surgical reconstruction. These applications also provide settings for studying rejection, immune management, graft monitoring, and infection prevention.
Within immunology and infection research, these grafts connect donor-antigen recognition with practical transplant outcomes. Investigators can examine how human leukocyte antigens, T-cell activation, and inflammatory pathways relate to rejection, while also considering the infection risks associated with exposed skin and diverse tissues. This integrated focus supports improved monitoring and prevention strategies.