Characterization of chromosomal aberrations in human gastric carcinoma cell lines using chromosome painting
- Authors
- Chun, YH; Kil, JI; Suh, YS; Kim, SH; Kim, H; Park, SH
- Issue Date
- May-2000
- Publisher
- ELSEVIER SCIENCE INC
- Citation
- CANCER GENETICS AND CYTOGENETICS, v.119, no.1, pp 18 - 25
- Pages
- 8
- Journal Title
- CANCER GENETICS AND CYTOGENETICS
- Volume
- 119
- Number
- 1
- Start Page
- 18
- End Page
- 25
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/47368
- DOI
- 10.1016/S0165-4608(99)00217-4
- ISSN
- 0165-4608
- Abstract
- Using chromosome painting, a study of chromosomal abnormalities was performed in six gastric carcinoma cell lines (SNU-484, 601, 620, 638, 668, 719) from Korean patients. Each carcinoma cell line had unique modal karyotypic characteristics and showed a variable number of numerical and structural clonal cytogenetic aberrations. SNU-484, SNU-620, and SNU-668 had near-triploidy; SNU-601, SNU-638, and SNU-719 had near-diploidy. The origins of the marker chromosomes of these cell lines it ere identified by fluorescence in situ hybridization with constructed painting probes. In all of six cell lines, rearrangement of chromosome 17 resulting in partial deletion of 17p (and/or partial duplication of 17q) was found. The most frequent marker ri as a par tial gain of chromosome 7 with the breakpoints on 7q22 and 7q31. The nonrandom rearrangements of chromosomes Mere also determined on 1q32, 5q11-q22, 8q, 14q22, 14q34, and 15q15; suggesting that they may be the candidate regions for the isolation of the genes related to gastric cancer. (C) 2000 Elsevier Science Inc. All rights reserved.
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