نتایج جستجو برای: q34
تعداد نتایج: 442 فیلتر نتایج به سال:
We investigated the effects of interleukin-4 (11-4) on the survival of leukemic and normal B-cell progenitors cultured on bone marrow stroma. IL-4 (at 100 U/mL) was cytotoxic in 16 of 21 cases of B-lineage acute lymphoblastic leukemia, causing reductions in CD19’ cell numbers that ranged from 50% to greater than 99% (median 83.5%) of those in parallel cultures not exposed to the cytokine. All n...
Mutant mice exhibiting a growth retardation phenotype arose spontaneously in the inbred NC/Sgn mouse strain. The mode of inheritance of this mutation was autosomal recessive, and I named this mutation growth deficit (gd). The gd locus was mapped to the proximal part of chromosome 4, between microsatellite markers D4Mit139 and D4Mit178. Histologic abnormalities were detected in the mutant testis...
We present a case of bilateral serous retinal detachment (SRD) as a presenting sign of Philadelphia chromosome-positive acute lymphoblastic leukemia (Ph(+) ALL). A 45-year-old woman presented with decreased vision and was found to have bilateral serous retinal detachment. Peripheral blood smears revealed leukocytosis of 53.9x10(3)/microL with 64.6% lymphoblasts. A bone marrow aspirate revealed ...
Translocation of the LYL1 oncogene are rare in T-cell acute lymphoblastic leukemia, whereas the homologous TAL1 gene is rearranged in approximately 20% of patients. Previous gene-expression studies have identified an immature T-cell acute lymphoblastic leukemia subgroup with high LYL1 expression in the absence of chromosomal aberrations. Molecular characterization of a t(7;19)(q34;p13) in a ped...
Chronic myeloid leukemia or chronic myelocytic leukemia ( Ghanei and Vosoghi, 2002) is a type of blood or bone marrow cancer which is characterized by an abnormal increase of white blood cells, by the presence of the Philadelphia chromosome and the t(9;22)(q34;q11) translocation (Rowley,1973; Faderl et al., 1999). CML is more prevalent in males as compared to females (Redaelli et al., 2004). A ...
Chronic myeloid leukemia (CML) is most frequently observed in middle-aged individuals. In most patients, normal marrow cells are replaced by cells with an abnormal G-group chromosome, the Philadelphia (Ph) chromosome. The Ph chromosome that is characterized by the translocation (9;22) (q34;q11) is noted in 90-95% of patients diagnosed with CML. Studies have also shown that CML can be associated...
Isolation of region-specific cosmids from chromosome 5 by hybridization with microdissection clones.
A method is described for the isolation of chromosome region specific cosmids. The 5q35 region of the long arm of human chromosome 5 was microdissected, digested with MboI, ligated to oligonucleotide adaptors, amplified by the polymerase chain reaction and cloned into a plasmid vector. Inserts which did not contain highly repetitive sequences were used to screen a chromosome 5 cosmid library by...
Acquired mutations were recently described in cutaneous T-cell lymphomas for the JAK1, JAK3, STAT3, and STAT5B genes of the JAK-STAT pathway. In the present study, RNA-sequencing of a primary cutaneous CD4 positive T-cell lymphoma carrying a three-way t(9;13;16)(p24;q34;p11) chromosome translocation showed that JAK2 from chromosome band 9p24 was rearranged and fused to a novel partner gene, ATX...
Chronic myelogenous leukemia (CML) is characterized by the Philadelphia (Ph) chromosome created by the reciprocal translocation t(9:22)(q34;q11), resulting in the chimeric gene breakpoint cluster region (BCR)-Abelson (ABL). Variant Ph chromosome translocations involving chromosomes other than 9 and 22 occur in 5-10% of CML cases. In the present study, a novel case of a Ph chromosome-positive CM...
To evaluate the frequency of clonal abnormalities in patients with unexplained persisting eosinophilia we analyzed 40 patients (27 males, 13 females) using cytomorphology, cytogenetic analysis, interphase fluorescence in situ hybridization (FISH), and reverse transcriptase polymerase chain reaction (RT-PCR). Cytogenetic analysis revealed clonal abnormalities in five patients (four of whom were ...
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