Biomaterial Database

Rapid rejection of H2k and H2k/b bone marrow cell grafts by CD8+ T cells and NK cells in irradiated mice. 1995

C Davenport, and V Kumar, and M Bennett

Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX 75235, USA.

Acute rejection of transplanted bone marrow cell (BMC) grafts can occur within 48 h in unsensitized, lethally irradiated mice, and NK cells have been implicated as the effector cells. Recently, we observed that both CD8+ TCR-alpha beta+ T and NK cells of irradiated mice could rapidly reject allogeneic lymph node cell grafts. In this study, we evaluated the ability of NK and CD8+ T cells to mediate rejection of H2k or H2k/b BMC grafts by pretreating groups of mice with depleting mAbs. H2k BMC were transplanted into syngeneic, B6 (H2b), BALB/c (H2d), NZB (H2d), and (NZB x B6)F1 (NZB6F1, H2d/b) hosts. Proliferation measured 5 days after cell transfer indicated that syngeneic, B6, and BALB/c hosts accepted H2k BMC grafts. However, CD8+ T cells from NZB and poly I:C-treated BALB/c hosts, and NK cells from poly I:C-treated NZB6F1, hosts, rejected H2k BMC grafts. In NZB6F1 hosts, there was an added effect of anti-TCR-alpha beta and anti-NK1.1 mAbs. It is possible that T and NK cells cooperate in rejecting H2k or H2k/b BMC grafts in certain hosts. Transplantation of H2k/b, but not H2k/d, BMC into similar recipients had the same fate as H2k BMC. Thus, certain CD8+ T cells may share a similar recognition system with NK cells.

UI	MeSH Term	Description	Entries
D007694	Killer Cells, Natural	Bone marrow-derived lymphocytes that possess cytotoxic properties, classically directed against transformed and virus-infected cells. Unlike T CELLS; and B CELLS; NK CELLS are not antigen specific. The cytotoxicity of natural killer cells is determined by the collective signaling of an array of inhibitory and stimulatory CELL SURFACE RECEPTORS. A subset of T-LYMPHOCYTES referred to as NATURAL KILLER T CELLS shares some of the properties of this cell type.	NK Cells,Natural Killer Cells,Cell, NK,Cell, Natural Killer,Cells, NK,Cells, Natural Killer,Killer Cell, Natural,NK Cell,Natural Killer Cell
D008807	Mice, Inbred BALB C	An inbred strain of mouse that is widely used in IMMUNOLOGY studies and cancer research.	BALB C Mice, Inbred,BALB C Mouse, Inbred,Inbred BALB C Mice,Inbred BALB C Mouse,Mice, BALB C,Mouse, BALB C,Mouse, Inbred BALB C,BALB C Mice,BALB C Mouse
D008808	Mice, Inbred CBA	An inbred strain of mouse that is widely used in BIOMEDICAL RESEARCH.	Mice, CBA,Mouse, CBA,Mouse, Inbred CBA,CBA Mice,CBA Mice, Inbred,CBA Mouse,CBA Mouse, Inbred,Inbred CBA Mice,Inbred CBA Mouse
D008810	Mice, Inbred C57BL	One of the first INBRED MOUSE STRAINS to be sequenced. This strain is commonly used as genetic background for transgenic mouse models. Refractory to many tumors, this strain is also preferred model for studying role of genetic variations in development of diseases.	Mice, C57BL,Mouse, C57BL,Mouse, Inbred C57BL,C57BL Mice,C57BL Mice, Inbred,C57BL Mouse,C57BL Mouse, Inbred,Inbred C57BL Mice,Inbred C57BL Mouse
D008814	Mice, Inbred NZB	An inbred strain of mouse that is widely used as a model for AUTOIMMUNE DISEASES such as SYSTEMIC LUPUS ERYTHEMATOSUS.	Mice, NZB,Mouse, Inbred NZB,Mouse, NZB,Inbred NZB Mice,Inbred NZB Mouse,NZB Mice,NZB Mice, Inbred,NZB Mouse,NZB Mouse, Inbred
D011828	Radiation Chimera	An organism whose body contains cell populations of different genotypes as a result of the TRANSPLANTATION of donor cells after sufficient ionizing radiation to destroy the mature recipient's cells which would otherwise reject the donor cells.	Chimera, Radiation,Chimeras, Radiation,Radiation Chimeras
D003433	Crosses, Genetic	Deliberate breeding of two different individuals that results in offspring that carry part of the genetic material of each parent. The parent organisms must be genetically compatible and may be from different varieties or closely related species.	Cross, Genetic,Genetic Cross,Genetic Crosses
D006084	Graft Rejection	An immune response with both cellular and humoral components, directed against an allogeneic transplant, whose tissue antigens are not compatible with those of the recipient.	Transplant Rejection,Rejection, Transplant,Transplantation Rejection,Graft Rejections,Rejection, Graft,Rejection, Transplantation,Rejections, Graft,Rejections, Transplant,Rejections, Transplantation,Transplant Rejections,Transplantation Rejections
D006183	H-2 Antigens	The major group of transplantation antigens in the mouse.	H2 Antigens,Antigens, H-2,Antigens, H2,H 2 Antigens
D000818	Animals	Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA.	Animal,Metazoa,Animalia

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