Gain of chromosome 3q defines the transition from severe dysplasia to invasive carcinoma of the uterine cervix

Kerstin Heselmeyer, Evelin Schröck, Stanislas Du Manoir, Harald Blegen, Keerti Shah, Rüdiger Steinbeck, Gert Auer, Thomas Ried

Research output: Contribution to journalArticle

Abstract

We have chosen tumors of the uterine cervix as a model system to identify chromosomal aberrations that occur during carcinogenesis. A phenotype/genotype correlation was established in defined regions of archived, formalin-fixed, and hematoxylin/eosin-stained tissue sections that were dissected from normal cervical epithelium (n = 3), from mild (n = 4), moderate (n = 6), and severe dysplasias/carcinomas in situ (CIS) (n = 13), and from invasive carcinomas (n = 10) and investigated by comparative genomic hybridization. The same tissues were analyzed for DNA ploidy, proliferative activity, and the presence of human papillomavirus (HPV) sequences. The results show that an increase in proliferative activity and tetraploidization had occurred already in mildly dysplastic lesions. No recurrent chromosomal aberrations were observed in DNA extracted from normal epithelium or from mild and moderate dysplasias, indicating that the tetraploidization precedes the loss or gain of specific chromosomes. A gain of chromosome 3q became visible in one of the severe dysplasias/CIS. Notably, chromosome 3q was overrepresented in 90% of the carcinomas and was also found to have undergone a high-level copy-number increase (amplification). We therefore conclude that the gain of chromosome 3q that occurs in HPV16-infected, aneuploid cells represents a pivotal genetic aberration at the transition from severe dysplasia/CIS to invasive cervical carcinoma.

Original languageEnglish (US)
Pages (from-to)479-484
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume93
Issue number1
DOIs
StatePublished - Jan 9 1996

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Cervix Uteri
Carcinoma in Situ
Chromosomes
Carcinoma
Chromosome Aberrations
Epithelium
Comparative Genomic Hybridization
Ploidies
DNA
Genetic Association Studies
Aneuploidy
Hematoxylin
Eosine Yellowish-(YS)
Human Activities
Formaldehyde
Carcinogenesis
Neoplasms

ASJC Scopus subject areas

  • Genetics
  • General

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Gain of chromosome 3q defines the transition from severe dysplasia to invasive carcinoma of the uterine cervix. / Heselmeyer, Kerstin; Schröck, Evelin; Du Manoir, Stanislas; Blegen, Harald; Shah, Keerti; Steinbeck, Rüdiger; Auer, Gert; Ried, Thomas.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 93, No. 1, 09.01.1996, p. 479-484.

Research output: Contribution to journalArticle

Heselmeyer, Kerstin ; Schröck, Evelin ; Du Manoir, Stanislas ; Blegen, Harald ; Shah, Keerti ; Steinbeck, Rüdiger ; Auer, Gert ; Ried, Thomas. / Gain of chromosome 3q defines the transition from severe dysplasia to invasive carcinoma of the uterine cervix. In: Proceedings of the National Academy of Sciences of the United States of America. 1996 ; Vol. 93, No. 1. pp. 479-484.
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