نتایج جستجو برای: lymphocyte transformation test
تعداد نتایج: 1075311 فیلتر نتایج به سال:
Molecular hydrogen (H2) has been previously reported playing an important role in ameliorating damage caused by acute radiation. In this study, we investigated the effects of H2 on the alterations induced by low-dose long-term radiation (LDLTR). All the mice in hydrogen-treated or radiation-only groups received 0.1 Gy, 0.5 Gy, 1.0 Gy, and 2.0 Gy whole-body gamma radiation, respectively. After t...
In order to further understand Epstein-Barr virus (EBV)-lymphocyte interactions, we investigated a chain of events including: (i) EBV binding to human lymphocyte subpopulations; (ii) the earliest appearance of EBV-determined nuclear antigen (EBNA) in the lymphocytes after EBV infection; and (iii) establishment of continuous lymphoblastoid cell lines (LCL) by infecting with EBV different types o...
The development of an appropriate host defense in coccidioidomycosis is predicated on the presence of a positive delayed skin test reaction to coccidioidin. In severe and/or disseminated disease, coccidioidin reactions are routinely negative. By employing serial in vitro spherulin-induced lymphocyte blast transformation (LT) studies in a group of eight severely-ill coccidioidomycosis patients, ...
The aim of this study was to determine the importance of plasma inhibitory factors in producing the impaired phytohaemagglutinin (PHA)-induced lymphocyte transformation that is seen in some patients with primary biliary cirrhosis. Twenty-six normal subjects and 12 patients with primary biliary cirrhosis were studied. The lymphocytes from each subject were cultured in the presence of autologous ...
Lymphocyte blast transformation and interferon production in mononuclear cell culture prepared on Ficoll-Hypaque gradients from individuals with herpes simplex virus-I infection were enhanced by a disease recurrence. Responses to both herpes simplex virus-2 and phytohemagglutinin were unaltered. Transformation to herpes simplex virus-I antigen was adversely affected by depleting either thymus-d...
Spleen cells from BALB/c or CAF(1) mice released little or no detectable leukemia virus when cultured 2-7 days in vitro. In contrast, spleen cells of CAF(1) mice previously inoculated with parental BALB/c spleen cells released leukemia viruses in 10 of 11 cases studied. Cultures of a mixture of spleen cells from normal BALB/c and CAF(1) mice also contained leukemia viruses. Phytohemagglutinin i...
Tolerance, as defined by an inability to produce runt disease and the failure to elicit a normal lymphocyte transfer reaction, was induced in Lewis and Brown Norway rats by the neonatal injection of bone marrow from the opposite strain. When thymus, thoracic duct lymph, or lymph node cells from such tolerant Lewis and Brown Norway rats were cultured together, or were individually cultured with ...
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