Results 231 to 240 of about 54,569 (261)
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Unusual Lack of the Epitope Recognized by OKT4 on the Helper/Inducer T Lymphocytes
Pediatrics International, 1985AbstractLack of the epitope recognized by OKT4 monoclonal antibody on the helper/inducer T lymphocytes in a 14‐year‐old boy with IgA nephritis is described.The lymphocytes reacted normally with OKT3 /Leu4 and OKT8/αLeu2a monoclonal antibodies but not with OKT4 monoclonal antibody.
Mutsumi Murakami, Yutaka Ueda
exaly +2 more sources
Selective Tropism of Lymphadenopathy Associated Virus (LAV) for Helper-Inducer T Lymphocytes
Science, 1984Lymphadenopathy associated virus (LAV) has been isolated from patients with the acquired immunodeficiency syndrome (AIDS) or lymphadenopathy syndrome. Since the immune deficiency in AIDS seems to be primarily related to the defect of the helper-inducer T lymphocyte subset, the possibility that LAV is selectively tropic for this subset was investigated.
E Vilmer +2 more
exaly +3 more sources
Scandinavian Journal of Haematology, 1983
A panel of previously characterized monoclonal antibodies: B67.6, OKT3, OKT4, B53.4, Leu3a, OKT8, Leu2a, OKM1, M12 and B52.1 were used as a probe to assess mononuclear cells in peripheral blood (PB), lymph nodes (LN) and spleens of untreated patients with Hodgkin's disease (HD).
Sérgio Romagnani +2 more
exaly +4 more sources
A panel of previously characterized monoclonal antibodies: B67.6, OKT3, OKT4, B53.4, Leu3a, OKT8, Leu2a, OKM1, M12 and B52.1 were used as a probe to assess mononuclear cells in peripheral blood (PB), lymph nodes (LN) and spleens of untreated patients with Hodgkin's disease (HD).
Sérgio Romagnani +2 more
exaly +4 more sources
Clinical Immunology and Immunopathology, 1987
T lymphocytes can be divided into two main phenotypic populations, CD4 and CD8. These can be further subdivided into 2H4, 4B4, or UCHL1 subsets by appropriate monoclonal antibodies. We have investigated these subsets in the synovial fluid of patients with rheumatoid arthritis and have found (i) a virtual absence of CD4+ 2H4+ and the marked reduction of
Costantino Pitzalis +2 more
exaly +3 more sources
T lymphocytes can be divided into two main phenotypic populations, CD4 and CD8. These can be further subdivided into 2H4, 4B4, or UCHL1 subsets by appropriate monoclonal antibodies. We have investigated these subsets in the synovial fluid of patients with rheumatoid arthritis and have found (i) a virtual absence of CD4+ 2H4+ and the marked reduction of
Costantino Pitzalis +2 more
exaly +3 more sources
Journal of Immunology, 1988
Abstract The CD4+ helper/inducer T cell population is comprised of functionally distinct subsets identifiable by the HB11 (anti-CD45R) mAb. We have previously shown that the cells that provide help for antibody production express the CD4+CD45R- phenotype. In contrast, CD4+ CD45R+ cells have minimal, if any, helper cell functions; rather,
N Yamashita, Yamashita N
exaly +3 more sources
Abstract The CD4+ helper/inducer T cell population is comprised of functionally distinct subsets identifiable by the HB11 (anti-CD45R) mAb. We have previously shown that the cells that provide help for antibody production express the CD4+CD45R- phenotype. In contrast, CD4+ CD45R+ cells have minimal, if any, helper cell functions; rather,
N Yamashita, Yamashita N
exaly +3 more sources
DIETARY NUCLEOTIDES, A REQUIREMENT FOR HELPER/INDUCER T LYMPHOCYTES
Transplantation, 1985Previous investigations have revealed that dietary nucleotide restriction delays the onset of primary murine cardiac allograft rejection and acute graft-versus-host disease followed H-2-incompatible bone marrow transplantation, suppresses sensitization to intradermally injected antigens and suppresses in vivo and in vitro lymphocyte proliferation to ...
C T, Van Buren +3 more
openaire +2 more sources
European Journal of Immunology, 1988
AbstractThe mechanisms which lead to the accumulation of T lymphocytes into inflammatory lesions are not clearly understood. We have previously shown that synovial CD4 T lymphocytes are mostly CDw29UCHL1 (helper‐inducer cells) and very few carry the CD45R antigen which identifies the suppressor‐inducer subset.
C, Pitzalis +3 more
openaire +2 more sources
AbstractThe mechanisms which lead to the accumulation of T lymphocytes into inflammatory lesions are not clearly understood. We have previously shown that synovial CD4 T lymphocytes are mostly CDw29UCHL1 (helper‐inducer cells) and very few carry the CD45R antigen which identifies the suppressor‐inducer subset.
C, Pitzalis +3 more
openaire +2 more sources
The Journal of Immunology, 1990
Abstract To test the hypothesis that resting and previously activated B lymphocytes differ in their proliferative and differentiative responses to various Th cell-derived stimuli, we have examined the interactions of purified small (resting) and large (activated) murine B cells with rabbit Ig-specific Th1 and Th2 clones in the presence ...
A K, Abbas +3 more
openaire +2 more sources
Abstract To test the hypothesis that resting and previously activated B lymphocytes differ in their proliferative and differentiative responses to various Th cell-derived stimuli, we have examined the interactions of purified small (resting) and large (activated) murine B cells with rabbit Ig-specific Th1 and Th2 clones in the presence ...
A K, Abbas +3 more
openaire +2 more sources
Acta Haematologica, 2009
Phytohemagglutinin (PHA) renders human peripheral T lymphocytes competent to replicate their DNA and divide. The stimulation of peripheral T cells of the T4 phenotype by PHA, which appears to be a transcription-dependent event, leads to the production and release of lymphokines supporting proliferation and differentiation of human pluripotent stem ...
H, Löhr +3 more
openaire +2 more sources
Phytohemagglutinin (PHA) renders human peripheral T lymphocytes competent to replicate their DNA and divide. The stimulation of peripheral T cells of the T4 phenotype by PHA, which appears to be a transcription-dependent event, leads to the production and release of lymphokines supporting proliferation and differentiation of human pluripotent stem ...
H, Löhr +3 more
openaire +2 more sources
The American Journal of Medicine, 1991
The human T-cell lymphotropic virus type 1 (HTLV-1) is the causative agent of adult T-cell leukemia/lymphoma (ATLL), a disorder in which peripheral blood and multiple organs are infiltrated by malignantly transformed T lymphocytes. We investigated the nature of pulmonary disease in a patient with serologic evidence of HTLV-1 infection.
R M, Rose +6 more
openaire +2 more sources
The human T-cell lymphotropic virus type 1 (HTLV-1) is the causative agent of adult T-cell leukemia/lymphoma (ATLL), a disorder in which peripheral blood and multiple organs are infiltrated by malignantly transformed T lymphocytes. We investigated the nature of pulmonary disease in a patient with serologic evidence of HTLV-1 infection.
R M, Rose +6 more
openaire +2 more sources