نتایج جستجو برای: mature b cell leukemia
تعداد نتایج: 2402819 فیلتر نتایج به سال:
Mature B-cell acute lymphoblastic leukemia (ALL) or Burkitt-type ALL is a rare entity and can be defined as the leukemic manifestation of Burkitt lymphoma (BL).1 BL is a highly aggressive B-cell malignancy and can be endemic, sporadic, or associated with immunodeficiency.2,3 Sporadic BL accounts for 1-2% of all adult lymphoma in Western Europe and the United States.2 Mature B-cell ALL is charac...
Interleukin-7 (IL-7) is known as a growth factor for pre B-cell and mature T-cells in human. But in leukemic cells, IL-7 effect is variously reported. To investigate the effect of IL-7 on the cells of childhood acute leukemia we used 3H-Thymidine assay. Twelve Acute lymphoblastic leukemia (ALL), seven T-ALL and three Acute myelogenous leukemia (AML) were involved in this study. Two out of twelv...
Mouse monoclonal antibodies were produced against MT-2 cell line derived from adult T-cell leukemia or human T-cell leukemia virus-rich fraction therefrom. Two IgG1 antibodies, Ta60a and Ta60b, were found to be reactive not only with cell lines derived from adult T-cell leukemia or cutaneous T-cell lymphomas, but also with activated peripheral blood lymphocytes, suggesting the similarity of Ta6...
Signaling through the Notch1 receptor has a pivotal role in early thymocyte development. Gain of Notch1 function results in the development of T-cell acute lymphoblastic leukemia in a number of mouse experimental models, and activating Notch1 mutations deregulate Notch1 signaling in the majority of human T-cell acute lymphoblastic leukemias. Notch2, another member of the Notch gene family, is p...
Limited knowledge exists about the impact of specific genetic abnormalities on the proliferation of neoplastic B cells from chronic lymphoproliferative disorders (B-CLPDs). Here we analyze the impact of cytogenetic abnormalities on the proliferation of neoplastic B cells in 432 B-CLPD patients, grouped according to diagnosis and site of sampling, versus their normal counterparts. Overall, proli...
acute myeloblastic leukemia is the most frequent cancer in adults and the patients have a wide range of sub-classes. hla dr negative cases represent one of the major immune-phenotypic classes. hla-dr is routinely used to distinguish acute promyelocytic leukemia (apl) from other aml subclasses based on the immunophenotype. the tgf-b signaling pathway, as a critical regulator, guides different v...
Transfection of the wild-type p53 gene into malignant cell lines usually results in an inhibition of proliferation. However, the physiological function of the endogenous p53 gene product has been difficult to ascertain. In order to examine whether p53 is involved in the regulation of proliferation and/or differentiation of hematopoietic tissue, we modified a recently developed flow cytometric a...
Clinically significant myocardial infiltration by blast cells is a rare occurrence in acute leukemia. Heart failure rate children with hemato-oncological diseases unknown. Here we report clinical case of an 8-year-old female patient B-cell lymphoblastic leukemia as well heart that resolved during specific therapy for the cancer. The patient's parents gave consent to use their child's data, incl...
Natural killer (NK) cells play an important role in surveillance and elimination of malignant cells. Their spontaneous cytotoxicity was first demonstrated in vitro against leukemia cell lines, and NK cells might play a crucial role in the therapy of leukemia. NK cell activity is controlled by an array of germ line-encoded activating and inhibitory receptors, as well as modulating coreceptors. T...
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