نتایج جستجو برای: mixed leukocyte reaction
تعداد نتایج: 653125 فیلتر نتایج به سال:
The genetic disease canine leukocyte adhesion deficiency (CLAD) is characterized by recurrent, severe bacterial infections, typically culminating in death by 6 months of age. CLAD is due to a mutation in the leukocyte integrin CD18 subunit, which prevents surface expression of the CD11/CD18 leukocyte integrin complex. We demonstrate that stable mixed donor:host hematopoietic chimerism, achieved...
Atypical lymphocytes (ATL) appear in the circulation of a large proportion of patients during the first week following a blood transfusion. In order to determine the source of these ATL, cytogenetic studies were performed on the peripheral blood leukocytes of ten adult patients who received fresh blood from donors of the opposite sex. Nine of the ten patients had spontaneously dividing mononucl...
The recognition phase of homograft immunity can be studied in vitro in the mixed leukocyte culture reaction. In this reaction, at the end of seven days, up to 30 per cent of the lymphocytes in culture "respond" to a single allogeneic cell stimulus. This paper presents evidence that the lymphocytes responding in culture divide with the generation time of 18-21 hours, with some asynchrony, and th...
The lymphocyte proliferation in repeatedly studied mixed leukocyte cultures of peripheral white blood cells from a skin graft donor and 2 recipients was significantly increased at the time of graft rejection. This was determined from the increased proportions of mononuclear cells labeling with tritiated thymidine, increased mitotic indices, and the appearance of increased numbers of transformed...
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