Correlation of karyotype and immunophenotype in childhood acute lymphoblastic leukemia. 1988

C H Pui, and D L Williams, and P K Roberson, and S C Raimondi, and F G Behm, and S H Lewis, and G K Rivera, and D K Kalwinsky, and M Abromowitch, and W M Crist
Department of Hematology-Oncology, St Jude Children's Research Hospital, Memphis, TN 38101.

To correlate leukemic cell karyotype with immunophenotype, we studied 364 children with acute lymphoblastic leukemia (ALL). A prognostically favorable cytogenetic feature, hyperdiploidy greater than 50 chromosomes, was found in 33% of cases classified as common ALL antigen positive (CALLA+) early pre-B (common) ALL, in contrast to 18% of pre-B cases (P = .012), 5% of T cell cases (P less than .001), and none of the B cell cases (P less than .001) or cases of CALLA negative (CALLA-) early pre-B ALL (P = .002). The frequency of translocations, an adverse cytogenetic feature, was significantly lower in CALLA+ early pre-B ALL cases (35%) than in B cell (100%; P less than .0001), pre-B (59%; P less than .001), or CALLA- early pre-B (62%; P = .016) cases. Thus, patterns of chromosomal change differ widely among the major immunophenotypic groups of ALL and may account for reported differences in responsiveness to treatment.

UI MeSH Term Description Entries
D007945 Leukemia, Lymphoid Leukemia associated with HYPERPLASIA of the lymphoid tissues and increased numbers of circulating malignant LYMPHOCYTES and lymphoblasts. Leukemia, Lymphocytic,Lymphocytic Leukemia,Lymphoid Leukemia,Leukemias, Lymphocytic,Leukemias, Lymphoid,Lymphocytic Leukemias,Lymphoid Leukemias
D010641 Phenotype The outward appearance of the individual. It is the product of interactions between genes, and between the GENOTYPE and the environment. Phenotypes
D011379 Prognosis A prediction of the probable outcome of a disease based on a individual's condition and the usual course of the disease as seen in similar situations. Prognostic Factor,Prognostic Factors,Factor, Prognostic,Factors, Prognostic,Prognoses
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002871 Chromosome Banding Staining of bands, or chromosome segments, allowing the precise identification of individual chromosomes or parts of chromosomes. Applications include the determination of chromosome rearrangements in malformation syndromes and cancer, the chemistry of chromosome segments, chromosome changes during evolution, and, in conjunction with cell hybridization studies, chromosome mapping. Banding, Chromosome,Bandings, Chromosome,Chromosome Bandings
D004171 Diploidy The chromosomal constitution of cells, in which each type of CHROMOSOME is represented twice. Symbol: 2N or 2X. Diploid,Diploid Cell,Cell, Diploid,Cells, Diploid,Diploid Cells,Diploidies,Diploids
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000951 Antigens, Neoplasm Proteins, glycoprotein, or lipoprotein moieties on surfaces of tumor cells that are usually identified by monoclonal antibodies. Many of these are of either embryonic or viral origin. Neoplasm Antigens,Tumor Antigen,Tumor Antigens,Antigen, Tumor,Antigens, Tumor
D014178 Translocation, Genetic A type of chromosome aberration characterized by CHROMOSOME BREAKAGE and transfer of the broken-off portion to another location, often to a different chromosome. Chromosomal Translocation,Translocation, Chromosomal,Chromosomal Translocations,Genetic Translocation,Genetic Translocations,Translocations, Chromosomal,Translocations, Genetic
D015260 Neprilysin Enzyme that is a major constituent of kidney brush-border membranes and is also present to a lesser degree in the brain and other tissues. It preferentially catalyzes cleavage at the amino group of hydrophobic residues of the B-chain of insulin as well as opioid peptides and other biologically active peptides. The enzyme is inhibited primarily by EDTA, phosphoramidon, and thiorphan and is reactivated by zinc. Neprilysin is identical to common acute lymphoblastic leukemia antigen (CALLA Antigen), an important marker in the diagnosis of human acute lymphocytic leukemia. There is no relationship with CALLA PLANT. Antigens, CD10,Antigens, Leukemia, Common Acute Lymphoblastic,CALLA Antigen,CD10 Antigens,Common Acute Lymphoblastic Leukemia Antigens,Endopeptidase-24.11,Enkephalin Dipeptidyl Carboxypeptidase,Enkephalinase,Kidney-Brush-Border Neutral Proteinase,Membrane Metallo-Endopeptidase,Atriopeptidase,CD10 Antigen,Enkephalinase-24.11,Neutral Endopeptidase,Neutral Endopeptidase 24.11,Thermolysin-Like Metalloendopeptidase,YGG-Forming Enzyme,Antigen, CD10,Carboxypeptidase, Enkephalin Dipeptidyl,Dipeptidyl Carboxypeptidase, Enkephalin,Endopeptidase 24.11,Endopeptidase 24.11, Neutral,Endopeptidase, Neutral,Enkephalinase 24.11,Enzyme, YGG-Forming,Kidney Brush Border Neutral Proteinase,Membrane Metallo Endopeptidase,Metallo-Endopeptidase, Membrane,Metalloendopeptidase, Thermolysin-Like,Neutral Proteinase, Kidney-Brush-Border,Thermolysin Like Metalloendopeptidase,YGG Forming Enzyme

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