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Research ArticleExperimental Studies

Numerical Aberrations of Chromosome 8 in Gastric Cancer Detected by Fluorescence In Situ Hybridization

ANNA D. PANANI, ANGELIKI D. FERTI, ALEXANDROS VGERINOS and SATIRIOS A. RAPTIS
Anticancer Research January 2004, 24 (1) 155-160;
ANNA D. PANANI
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ANGELIKI D. FERTI
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ALEXANDROS VGERINOS
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SATIRIOS A. RAPTIS
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Abstract

Background: Limited data are available on the genetic events underlying gastric cancer. Studying a few cases by conventional cytogenetic techniques, we previously reported that chromosome 8 might be frequently involved. The aim of our study was to evaluate the numerical aberrations of chromosome 8 in gastric cancer using fluorescence in situ hybridization (FISH). Materials and Methods: FISH, with an a-satellite DNA probe specific for chromosome 8, was applied to 37 primary gastric tumors directly processed for cytogenetic study. Results: Numerical aberrations of chromosome 8 were observed in 23 out of 37 tumors (62.16%). Trisomy was detected in 16 cases (43.24%), tetrasomy in 4 cases (10.81%) and monosomy in 3 cases (8.10%). No correlation was found between polysomy 8 and the histopathologic characteristics of the tumors. Conclusion: An increase in the number of chromosome 8 may frequently occur in gastric cancer. Advanced and more aggressive gastric tumors did not harbor polysomy 8. Further studies at molecular and clinical level must be carried out to identify the gene alterations reflected by polysomy 8 and possibly to facilitate the detection of specific tumors subtypes.

  • Received August 29, 2003.
  • Accepted October 20, 2003.
  • Copyright© 2004 International Institute of Anticancer Research (Dr. John G. Delinassios), All rights reserved
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Anticancer Research: 24 (1)
Anticancer Research
Vol. 24, Issue 1
January-February 2004
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Numerical Aberrations of Chromosome 8 in Gastric Cancer Detected by Fluorescence In Situ Hybridization
ANNA D. PANANI, ANGELIKI D. FERTI, ALEXANDROS VGERINOS, SATIRIOS A. RAPTIS
Anticancer Research Jan 2004, 24 (1) 155-160;

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Numerical Aberrations of Chromosome 8 in Gastric Cancer Detected by Fluorescence In Situ Hybridization
ANNA D. PANANI, ANGELIKI D. FERTI, ALEXANDROS VGERINOS, SATIRIOS A. RAPTIS
Anticancer Research Jan 2004, 24 (1) 155-160;
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