نتایج جستجو برای: cytogenetic analysis
تعداد نتایج: 2831446 فیلتر نتایج به سال:
PURPOSE Imatinib mesylate, a specific Bcr-Abl tyrosine kinase inhibitor, has shown encouraging activity in chronic myelogenous leukemia (CML). EXPERIMENTAL DESIGN We treated 237 patients (median age, 50 years; age range, 18-82 years) with Philadelphia chromosome (Ph)-positive accelerated-phase CML with oral imatinib mesylate at daily doses of 400 mg (26 patients) or 600 mg (211 patients) and ...
BACKGROUND & OBJECTIVES Myelodysplastic syndrome (MDS) is a clonal haematopoietic stem cell disorder characterized by ineffective haematopoiesis and leukaemia progression. Cytogenetic analysis has proven to be a mandatory part of the diagnosis of MDS as well as a major indicator for predicting clinical course and outcome. Studies on cytogenetics of MDS are reported mostly from the West and only...
the myelodysplastic syndrome (mds) is a highly heterogenous disorder and karyotype analysis is helpful for diagnostic and prognostic estimation. deletion in long arm chromosome 6 (6q del) as a sole abnormality is a rare event in mds. this is the first case report of del (6q) as the only observed diagnostic change in iran. we also reviewed the literature of this cytogenetic lesion.
this report presents the cytogenetic findings (g -banded chromosomal analysis} in 383 cases referred for suspected chromosomal abnormalities because of abnormal clinical features. chromosomal aberrations were found in 63 116.5%) of these cases, free trisomy 21 (7%) being the most common abnormality , followed by 47, xxykaryotype (4%). the breakdown figures for each group is discussed in the text.
AIM Evaluation of chromosomal radiosensitivity of healthy individuals and determination those with the increased susceptibility to radiogenic cancer. METHODS Cytogenetic examination of radiation induced injuries in lymphocytes of healthy individuals (n=103) was carried out on the basis of G(2)-assay. Test system of peripheral blood lymphocytes with metaphase analysis was used. RESULTS On th...
Comparative genomic hybridization (CGH) is an alternative molecular cytogenetic technique that can characterize unbalanced and often unrecognizable G-banded cytogenetic material in a one-step global screening procedure. It has the distinct advantage of providing a genome wide search without any prior information of the chromosomal aberration in question. CGH analysis provides information on the...
AIM The purpose of the present research was a presentation of case report of Robertsonian translocation composed of homologous chromosomes 21q;21q and reproductive risk found in the family affected by this type oftranslocation. METHODS Cytogenetic diagnosis has been done on chromosome preparations of lymphocytes cultured from peripheral blood by Moorhead method. RESULTS Analyses of cytogene...
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