نتایج جستجو برای: philadelphia chromosome
تعداد نتایج: 128365 فیلتر نتایج به سال:
Hemopoietic cells in chronic granulocytic leukemia (CGL) frequently contain a chromosome translocation involving chromosome 22 and another autosome, usually number 9. The translocated chromosome 22 is known as the Philadelphia (Ph) chromosome. The appearance of a second Ph chromosome is the most common cytogenetic abnormality in CGL signaling the blastic phase. For 6 yr we serially studied a ma...
Clonal cytogenetic aberrations of the Philadelphia chromosome (Ph) positive hematopoiesis have been associated with the natural evolution of chronic myeloid leukemia (CML) to advanced disease. Clonal aberrations of Ph negative metaphases have been described after treatment with interferon or imatinib. This study evaluates the effect of dasatinib on Ph positive clones with additional cytogenetic...
Chronic Myeloid Leukaemia (CML) is a clonal, myeloproliferative disease that develops when a single, pluripotential, haemopoetic stem cell acquires the Philadelphia chromosome. CML was the first haematological malignancy to be associated with a specific genetic lesion. First recognised in 1 45, CML exhibits a consistent chromosomal abnormality in leukaemic cells, identified in 1960 by Nowell an...
The prognostic significance of CD20 expression in acute lymphoblastic leukemia has been investigated in children and adults but is still a subject of debate. The aim of our study was to correlate CD20 expression with clinical-biological characteristics and outcome in 172 Philadelphia chromosome negative patients prospectively treated in a multicenter trial introducing the molecular evaluation o...
A 56-year-old man being treated for dilated cardiomyopathy presented with epigastralgia. He was diagnosed with ventricular tachycardia and Philadelphia chromosome-positive acute lymphoblastic leukemia. After treating incessant ventricular tachycardia, we commenced induction therapy for leukemia with dasatinib and prednisolone to minimize toxicity towards cardiomyocytes and the cardiac conductio...
Treatment with recombinant human interferon alpha-A (Roferon-A) is associated with stable suppression of the population of cells that display the Philadelphia (Ph1) chromosome in some patients with chronic myelogenous leukemia (CML) as defined by cytogenetic analysis. Southern blot analyses employing a 3' breakpoint cluster region (bcr) probe (Pr-1) were performed to confirm a complete suppress...
A new animal model characterized by hereditary athymia and asplenia was used as a recipient of chronic myelogenous leukemic (CML) cells with the Philadelphia (Ph1+) chromosome. Transplanted CML cells form solid vascularized tumors containing cells similar to those seen in the patient in a long-term culture. Cells taken from the tumors were nearly triploid, retained all human chromosome markers...
Chronic Myeloid Leukemia (CML) is a myeloproliferative neoplasm characterized by the presence of Philadelphia chromosome and BCR-ABL fusion oncogene. CML one illnesses that may be treated using Tyrosine Kinase Inhibitors (TKIs), type targeted therapy. Since TKIs are standard therapy, long-term survival has improved compared to chemotherapy interferon-alpha. For first-line treatment for CML, the...
Philadelphia chromosome positive de novoacute myeloid leukemia (AML)is a rare disease with reported incidence of less than 1% of newly diagnosed cases of AML. Outcome of the disease is poor, owing to its resistance to conventional chemotherapy and variable response to imatinib besylate. We report a case of 24-year man who reported to our unit in November 2014 and was treated with conventional i...
In chronic myelogenous leukemia (CML) and in a percentage of childhood and adult acute lymphoblastic leukemia (ALL) the Philadelphia (Ph') chromosome is present in the leukemic cells of patients. This chromosome is the result of a reciprocal translocation between chromosomes 9 and 22. In CML the break on chromosome 22 occurs within the major breakpoint cluster region (Mbcr) of the bcr gene. In ...
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