نتایج جستجو برای: precursor b
تعداد نتایج: 954137 فیلتر نتایج به سال:
Sequential immunophenotypes of bone marrow (BM) and peripheral blood (PBL) lymphoid cells from 15 B-lineage acute lymphoblastic leukemia (ALL) patients who underwent autologous bone marrow transplantation (BMT) during complete remission were determined by dual-color immunofluorescence and multiparameter flow cytometry. Autografts were depleted of CD19+ B-cell precursors by an immunochemopurging...
Uterine leiomyoma with TdT positive B lymphocytes infiltrating is very rare and may simulate precursor B-cell lymphoblastic lymphoma (B-LBL). To the best of our knowledge, this is the first description of such a lesion in English literature. A 51-year-old Chinese woman was noted a mass in her uterus in a routine physical examination. The myomectomy specimen was identified as a well-defined 8.0x...
Pre-B cell acute lymphoblastic leukemia (ALL) is the most prevalent childhood malignancy and remains one of the highest causes of childhood mortality. Despite this, the mechanisms leading to disease remain poorly understood. We asked if recurrent aberrant DNA methylation plays a role in childhood ALL and have defined a genome-scale DNA methylation profile associated with the ETV6-RUNX1 subtype ...
We show here that analysis of VpreB gene transcription can be a specific way to identify acute leukemias of cells at very early stages of B-cell development. Northern blot analysis of RNAs from 63 leukemia samples showed that VpreB RNA was present in malignancies of precursor B cells, the expression being a feature of both common acute lymphoblastic leukemia (ALL) (CD10+) and null ALL (CD10-). ...
Crosslineage T-cell receptor delta (TCR delta) rearrangements are widely used as tumor markers for the follow up of minimal residual disease in childhood B-precursor acute lymphoblastic leukemia (ALL) by polymerase chain reaction (PCR). The major drawback of this approach is the risk of false-negative results due to clonal evolution. We investigated the stability of V delta 2D delta 3 rearrange...
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