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Allotransplant (allo-meaning "other" in Greek) is the transplantation of cells, tissues, or organs to a recipient from a genetically non-identical donor of the same species. [1] The transplant is called an allograft, allogeneic transplant, or homograft. Most human tissue and organ transplants are allografts.
The pathway involved in specific cases is dictated by intrinsic and extrinsic factors of allograft and directly influence nature and magnitude of T lymphocytes mediated immune response. Furthermore, variant tissues and organs such as skin or cornea or solid organ transplants can be recognized in different pathways and therefore are rejected in ...
A syngeneic graft is known as an isograft. [2] Related terms include: [citation needed] autogeneic, referring to autotransplantation, also termed autograft, (from one part of the body to another in the same person) allogeneic, referring to allotransplantation or an allograft (from other individual of same species).
An allograft contains many of the beneficial characteristics of nerve autograft, such as three-dimensional microstructural scaffolding and protein components inherent to nerve tissue. [3] One of the adverse effects of nerve allotransplantation is the immunogenic response.
In orthopaedic medicine, a bone graft can be sourced from a patient's own bone in order to fill space and produce an osteogenic response in a bone defect. However, due to the donor-site morbidity associated with autograft, other methods such as bone allograft and bone morphogenetic proteins and synthetic graft materials are often used as alternatives.
AFC champion vs. NFC champion, 6:30 p.m. ET, Fox. This article originally appeared on USA TODAY: 2025 NFL playoff schedule: Dates, times, TV info for wild card games. Show comments.
Alloimmunity (sometimes called isoimmunity) is an immune response to nonself antigens from members of the same species, which are called alloantigens or isoantigens.Two major types of alloantigens are blood group antigens [1] and histocompatibility antigens.
Transplant engineering (or allograft engineering) is a variant of genetic organ engineering which comprises allograft, autograft and xenograft engineering. In allograft engineering the graft is substantially modified by altering its genetic composition. The genetic modification can be permanent or transient.