Philadelphia-negative chronic myeloid leukaemia: detection by FISH of BCR-ABL fusion gene localized either to chromosome 9 or chromosome 22. 1994

E Nacheva, and T Holloway, and K Brown, and D Bloxham, and A R Green
Department of Haematology, Addenbrooke's Hospital, Cambridge.

Dual-colour FISH has been used to study two patients with chronic myeloid leukaemia (CML) associated with a normal karyotype. Co-localization of signals from BCR and ABL cosmids was observed in interphase nuclei from both patients. In one patient, analysis of metaphase spreads showed that the 3' region of the ABL gene was deleted from one chromosome 9 and inserted into chromosome 22. In a second patient 5' BCR sequences were missing from one copy of chromosome 22, and co-localized with 3' ABL sequences on chromosome 9. These results demonstrate the molecular heterogeneity of Ph-negative CML. In addition, they illustrate the potential usefulness of dual-colour FISH on interphase nuclei for monitoring the response to treatment of patients with Ph-negative CML.

UI MeSH Term Description Entries
D007399 Interphase The interval between two successive CELL DIVISIONS during which the CHROMOSOMES are not individually distinguishable. It is composed of the G phases (G1 PHASE; G0 PHASE; G2 PHASE) and S PHASE (when DNA replication occurs). Interphases
D008297 Male Males
D008677 Metaphase The phase of cell nucleus division following PROMETAPHASE, in which the CHROMOSOMES line up across the equatorial plane of the SPINDLE APPARATUS prior to separation.
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D002892 Chromosomes, Human, Pair 22 A specific pair of GROUP G CHROMOSOMES of the human chromosome classification. Chromosome 22
D002899 Chromosomes, Human, Pair 9 A specific pair of GROUP C CHROMSOMES of the human chromosome classification. Chromosome 9
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D015139 Blotting, Southern A method (first developed by E.M. Southern) for detection of DNA that has been electrophoretically separated and immobilized by blotting on nitrocellulose or other type of paper or nylon membrane followed by hybridization with labeled NUCLEIC ACID PROBES. Southern Blotting,Blot, Southern,Southern Blot
D015464 Leukemia, Myelogenous, Chronic, BCR-ABL Positive Clonal hematopoetic disorder caused by an acquired genetic defect in PLURIPOTENT STEM CELLS. It starts in MYELOID CELLS of the bone marrow, invades the blood and then other organs. The condition progresses from a stable, more indolent, chronic phase (LEUKEMIA, MYELOID, CHRONIC PHASE) lasting up to 7 years, to an advanced phase composed of an accelerated phase (LEUKEMIA, MYELOID, ACCELERATED PHASE) and BLAST CRISIS. Granulocytic Leukemia, Chronic,Leukemia, Granulocytic, Chronic,Leukemia, Myelocytic, Chronic,Leukemia, Myelogenous, Chronic,Leukemia, Myeloid, Chronic,Myelocytic Leukemia, Chronic,Myelogenous Leukemia, Chronic,Myeloid Leukemia, Chronic,Leukemia, Chronic Myelogenous,Leukemia, Chronic Myeloid,Leukemia, Myelogenous, Ph1 Positive,Leukemia, Myelogenous, Ph1-Positive,Leukemia, Myeloid, Ph1 Positive,Leukemia, Myeloid, Ph1-Positive,Leukemia, Myeloid, Philadelphia Positive,Leukemia, Myeloid, Philadelphia-Positive,Myelogenous Leukemia, Ph1-Positive,Myeloid Leukemia, Ph1-Positive,Myeloid Leukemia, Philadelphia-Positive,Chronic Granulocytic Leukemia,Chronic Granulocytic Leukemias,Chronic Myelocytic Leukemia,Chronic Myelocytic Leukemias,Chronic Myelogenous Leukemia,Chronic Myelogenous Leukemias,Chronic Myeloid Leukemia,Chronic Myeloid Leukemias,Granulocytic Leukemias, Chronic,Leukemia, Chronic Granulocytic,Leukemia, Chronic Myelocytic,Leukemia, Ph1-Positive Myelogenous,Leukemia, Ph1-Positive Myeloid,Leukemia, Philadelphia-Positive Myeloid,Leukemias, Chronic Granulocytic,Leukemias, Chronic Myelocytic,Leukemias, Chronic Myelogenous,Leukemias, Chronic Myeloid,Leukemias, Ph1-Positive Myelogenous,Leukemias, Ph1-Positive Myeloid,Leukemias, Philadelphia-Positive Myeloid,Myelocytic Leukemias, Chronic,Myelogenous Leukemia, Ph1 Positive,Myelogenous Leukemias, Chronic,Myelogenous Leukemias, Ph1-Positive,Myeloid Leukemia, Ph1 Positive,Myeloid Leukemia, Philadelphia Positive,Myeloid Leukemias, Chronic,Myeloid Leukemias, Ph1-Positive,Myeloid Leukemias, Philadelphia-Positive,Ph1-Positive Myelogenous Leukemia,Ph1-Positive Myelogenous Leukemias,Ph1-Positive Myeloid Leukemia,Ph1-Positive Myeloid Leukemias,Philadelphia-Positive Myeloid Leukemia,Philadelphia-Positive Myeloid Leukemias

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