نتایج جستجو برای: allogeneic bmt
تعداد نتایج: 28117 فیلتر نتایج به سال:
In a murine bone-marrow transplant (BMT) model designed to determine risk factors for lung dysfunction in irradiated mice, we reported that cyclophosphamide (Cy)-induced injury and lethality depended on the infusion of donor spleen T cells. In the study reported here, we hypothesized that alveolar macrophage (AM)-derived reactive oxygen/nitrogen species are associated with lung dysfunction caus...
The primary therapeutic approach to acquired aplastic anemia (AA) in older adults differs from the primary approach used in children and younger adults because in the former group, the results of allogeneic bone marrow transplantation (BMT) are less favorable. With increasing age of the patients, immunosuppressive therapy with antithymocyte globulin (ATG) and cyclosporine (CsA) constitutes the ...
T cells from allogeneic bone marrow grafts are responsible for a graft versus leukemia effect. Use of recombinant Interleukin-2 (rIL-2) after autologous bone marrow transplantation (BMT) may enhance immune function and hopefully reproduce the allogeneic reaction. We report here the hematologic and immunologic changes observed in the first 10 patients of a phase 1 trial studying the infusion of ...
Delayed immune reconstitution after allogeneic bone marrow transplantation (BMT) with associated infection is a major cause of morbidity and mortality. We used third complementarity region (CDR3) size spectratyping as a tool for monitoring T-cell repertoire reconstitution in 19 patients over a median time of 40 months after T-cell-depleted allogeneic BMT for chronic myeloid leukemia (CML). Furt...
Surfactant protein A (SP-A), a collectin associated with surfactant lipids, can have immune modulatory effects. We hypothesized that exogenous and basal endogenous SP-A can function to suppress donor T-cell-dependent inflammation that occurs during the generation of idiopathic pneumonia syndrome after bone marrow transplantation (BMT). Wild-type and SP-A-deficient mice were conditioned with cyc...
BACKGROUND The aim of this study was to evaluate changes in pulmonary function measures as predictors of outcome in acute lymphoblastic leukemia (ALL) patients after myeloablative allogeneic bone marrow transplantation (BMT). METHODS Forced expiratory volume in 1 second (FEV1) and diffusion capacity for carbon monoxide (DLCO) were evaluated before and after allogeneic BMT every 3 months in 32...
The records of 549 bone marrow transplant (BMT) patients at The Johns Hopkins Oncology Center during a 9-year period were reviewed to determine the incidence of bronchiolitis obliterans (BrOb). Seven patients had BrOb. All seven died, and BrOb was a contributing cause of death in six patients. Only recipients of allogeneic BMT were at risk for developing BrOb (2% incidence). Three cases were in...
BACKGROUND Infusion of recipient regulatory T (Treg) cells promotes durable mixed hematopoietic chimerism and allograft tolerance in mice receiving allogeneic bone marrow transplant (BMT) with minimal conditioning. We applied this strategy in a Cynomolgus macaque model. METHODS CD4 CD25 Treg cells that were polyclonally expanded in culture were highly suppressive in vitro and maintained high ...
Bone marrow transplantation (BMT) is used to treat hematological disorders, autoimmune diseases (ADs) and lymphoid cancers. Intra bone marrow-BMT (IBM-BMT) has been proven to be a powerful strategy for allogeneic BMT due to the rapid hematopoietic recovery and the complete restoration of T cell functions. IBM-BMT not only replaces hematopoietic stem cells (HSCs) but also mesenchymal stromal cel...
Idiopathic pneumonia syndrome (IPS) is a significant cause of mortality post-bone marrow transplant (BMT) in humans. In our murine model, lethal pre-BMT conditioning and allogeneic T cells result in the recruitment of host antigen-presenting cells (APC) and donor T cells into the lung post-BMT concomitant with development of severe lung dysfunction. CCL2 induction is found in bronchoalveolar la...
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