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Comparative cytogen...
Comparative cytogenetic and DNA flow cytometric analysis of 242 primary breast carcinomas
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- Adeyinka, Adewale (author)
- Lund University,Lunds universitet,Avdelningen för klinisk genetik,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Clinical Genetics,Department of Laboratory Medicine,Faculty of Medicine
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- Baldetorp, Bo (author)
- Lund University,Lunds universitet,Tumörmikromiljö,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Tumor microenvironment,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine
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- Mertens, Fredrik (author)
- Lund University,Lunds universitet,Avdelningen för klinisk genetik,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Clinical Genetics,Department of Laboratory Medicine,Faculty of Medicine
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- Olsson, Håkan (author)
- Lund University,Lunds universitet,Medicinsk onkologi,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Tumörmikromiljö,Institutionen för kliniska vetenskaper, Lund,Lunds Melanomstudiegrupp,Forskargrupper vid Lunds universitet,Medical oncology,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine,Tumor microenvironment,Department of Clinical Sciences, Lund,Lund Melanoma Study Group,Lund University Research Groups
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- Johannsson, Oskar (author)
- Lund University,Lunds universitet,Bröstcancer-genetik,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Breastcancer-genetics,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine
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- Heim, Sverre (author)
- Lund University,Lunds universitet,Avdelningen för klinisk genetik,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Clinical Genetics,Department of Laboratory Medicine,Faculty of Medicine
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Pandis, Nikos (author)
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(creator_code:org_t)
- 2003
- 2003
- English 6 s.
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In: Cancer Genetics and Cytogenetics. - 0165-4608. ; 147:1, s. 62-67
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Abstract
Subject headings
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- The cytogenetic and DNA flow cytometric findings in 242 breast carcinomas were compared. The combined use of both techniques improved the detection of abnormal cell populations from 65% by cytogenetic analysis alone and 59% by DNA flow cytometric analysis alone to 84%. Informative and comparable cytogenetic and flow cytometric data were obtained for 155 tumors. Among these 155 tumors, there was good concordance (64%) between the estimates of genomic changes by the two methods. Most discrepancies were among the DNA-diploid cases, where cytogenetic analysis detected small genomic changes. There were, however, also some exceptions in which large genomic changes detected by one method were missed by the other. Of the specific breast cancer-associated cytogenetic aberrations subjected to separate correlation analysis, polysomy for chromosome 20 was significantly associated with a high S-phase fraction, whereas loss of the long arm of chromosome 16 and/or the presence of a der(1;16) were significantly associated with a low S-phase fraction. Our data show that cytogenetic and DNA flow cytometric analyses of breast carcinomas give largely comparable results, and that combining data from both methods significantly improves the information obtained by either technique used alone on the genetic abnormalities in these tumors.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Medicinsk genetik (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Medical Genetics (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
Keyword
- Breast Neoplasms
- Carcinoma
- Chromosome Aberrations
- Chromosome Mapping
- Chromosomes, Human, Pair 16
- Chromosomes, Human, Pair 20
- Cytogenetic Analysis
- Diploidy
- Female
- Flow Cytometry
- Humans
- Karyotyping
- Ploidies
- S Phase
- Comparative Study
- Journal Article
- Research Support, Non-U.S. Gov't
Publication and Content Type
- art (subject category)
- ref (subject category)
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