نتایج جستجو برای: alloantibody
تعداد نتایج: 445 فیلتر نتایج به سال:
BACKGROUND Patients receiving red-blood-cells may form antibodies against the alloantigens expressed by red-blood-cells, with the risk of serious morbidity and the need for extensive phenotype-matching in subsequent transfusions. The incidence of alloimmunization is considered variable for specific patient groups and for first time antibody formation. We therefore studied the cumulative inciden...
Chronic allograft rejection is a major impediment to long-term transplant success. Humoral immune responses to alloantigens are a growing clinical problem in transplantation, with mounting evidence associating alloantibodies with the development of chronic rejection. Nearly a third of transplant recipients develop de novo antibodies, for which no established therapies are effective at preventin...
An adoptive transfer system was used to study the cellular basis of memory in animals immunized by grafting with major histocompatibility complex incompatible tissue. Memory was characterised by a large (greater than 100 fold) increase in the potency of lymphocytes to precure graft rejection. This increase in potency endured for at least 1 yr after sensitization. The memory cells were shown to ...
Autoantibodies against factor VIII (FVIII) are rare but can cause life-threatening bleeding requiring costly factor replacement and prolonged immunosuppression. We report 4 consecutively treated patients whose acquired FVIII inhibitors responded rapidly to immunosuppressive regimens that included rituximab, a monoclonal antibody against CD20(+) B cells. Three patients had spontaneously occurrin...
Despite advances in immunosuppression, antibody-mediated rejection is a serious threat to allograft survival. Alloreactive memory helper T cells can induce potent alloantibody responses and often associate with poor graft outcome. Nevertheless, the ability of memory T cells to elicit well characterized manifestations of antibody-mediated rejection has not been tested. We investigated helper fun...
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