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M9620359.TXT
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1996-02-26
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Document 0359
DOCN M9620359
TI Establishment and characterization of a novel cell line, TK-6, derived
from T cell blast crisis of chronic myelogenous leukemia, with the
secretion of parathyroid hormone-related protein.
DT 9602
AU Watanabe T; Kataoka T; Mizuta S; Kobayashi M; Uchida T; Imai K; Wada H;
Kinoshita T; Murate T; Mizutani S; et al; First Department of Internal
Medicine, Nagoya University School; of Medicine, Japan.
SO Leukemia. 1995 Nov;9(11):1926-34. Unique Identifier : AIDSLINE
MED/96071146
AB We established a novel T cell line, designated TK-6, from a patient with
T cell lineage blast crisis of chronic myelogenous leukemia (CML)
complicated by hypercalcemia. A surface marker study showed T cell
phenotype, cluster designation (CD)4, CD5 and CD7. Light and electron
microscopic examination revealed myeloperoxidase (MPO)-negative,
however, ultrastructural examination under certain specific conditions
demonstrated that some cells were MPO-positive. The TK-6 cell karyotype
carried a t(9;22)(q34;q11) and additional chromosome aberrations,
including a deletion of the long arm of chromosome 6 and the abnormality
of chromosome 7. Southern blot analysis showed rearrangement of the T
cell receptor beta-chain (TCR beta) gene and the major breakpoint
cluster region (bcr) gene. Northern blot analysis detected the
expression of the parathyroid hormone-related protein (PTHrP) gene,
however, the proviral genome of human T cell leukemia virus type I
(HTLV-I) was negative. This cell line will provide a valuable resource
for the analysis of the relationship between T cell lineage crisis and
myeloid differentiation and for the analysis of humoral hypercalcemia of
malignancy (HHM) or leukemia.
DE Adult Base Sequence Blast Crisis/*PATHOLOGY Calcium/METABOLISM Case
Report Cell Nucleus/ULTRASTRUCTURE Chromosome Abnormalities/PATHOLOGY
Chromosome Banding Cytokines/METABOLISM DNA Primers/CHEMISTRY DNA,
Viral/ANALYSIS Gene Rearrangement, beta-Chain T-Cell Antigen Receptor
Gene Rearrangement, B-Lymphocyte, Heavy Chain Genes, Immunoglobulin
Human HTLV-I/GENETICS Immunophenotyping Karyotyping Leukemia,
Myeloid, Chronic/*PATHOLOGY Leukemia, Myeloid,
Philadelphia-Positive/*PATHOLOGY Male Molecular Sequence Data
Neoplasm Proteins/SECRETION Proteins/*SECRETION Support, Non-U.S.
Gov't T-Lymphocytes/*CYTOLOGY Tumor Cells, Cultured/*CYTOLOGY JOURNAL
ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).