The human plakoglobin gene localizes on chromosome 17q21 and is subjected to loss of heterozygosity in breast and ovarian cancers

Hermann Aberle, Christiane Bierkamp, Delphine Torchard, Olga Serova, Thomas Wagner, Ernst Natt, Johann Wirsching, Christiane Heidkämper, Marco Montagna, Henry T. Lynch, Gilbert M. Lenoir, Gerd Scherer, Jean Feunteun, Rolf Kemler

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Abstract

The gene encoding human plakoglobin was mapped to chromosome 17q12-q22. An intragenic restriction fragment length polymorphism was used to localize the plakoglobin gene distal to locus KRT10 and proximal to the marker D17S858. The plakoglobin gene colocalizes with the polymorphic 17q21 marker UM8 on the same cosmid insert. This subregion of chromosome 17 is known to be particularly subjected to genetic alterations in sporadic breast and ovarian tumors. We show loss of heterozygosity of the plakoglobin gene in breast and ovarian tumors. We have identified a low-frequency polymorphism in the plakoglobin coding sequence which results in an arginine to histidine substitution at amino acid position 142 of the protein, as well as a silent mutation at nucleotide position 332 of the coding sequence. This polymorphism allowed us to demonstrate an allelic association of plakoglobin with predisposition to familial breast and ovarian cancers. Our results, together with the present knowledge about the biological function of plakoglobin, suggest that plakoglobin might represent a putative tumor suppressor gene for breast and ovarian cancers.

Original languageEnglish
Pages (from-to)6384-6388
Number of pages5
JournalProceedings of the National Academy of Sciences of the United States of America
Volume92
Issue number14
DOIs
StatePublished - Jul 3 1995

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gamma Catenin
Loss of Heterozygosity
Ovarian Neoplasms
Chromosomes
Breast Neoplasms
Genes
Cosmids
Chromosomes, Human, Pair 17
Amino Acid Substitution
Tumor Suppressor Genes
Histidine
Restriction Fragment Length Polymorphisms
Arginine
Nucleotides

All Science Journal Classification (ASJC) codes

  • Genetics
  • General

Cite this

The human plakoglobin gene localizes on chromosome 17q21 and is subjected to loss of heterozygosity in breast and ovarian cancers. / Aberle, Hermann; Bierkamp, Christiane; Torchard, Delphine; Serova, Olga; Wagner, Thomas; Natt, Ernst; Wirsching, Johann; Heidkämper, Christiane; Montagna, Marco; Lynch, Henry T.; Lenoir, Gilbert M.; Scherer, Gerd; Feunteun, Jean; Kemler, Rolf.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 92, No. 14, 03.07.1995, p. 6384-6388.

Research output: Contribution to journalArticle

Aberle, H, Bierkamp, C, Torchard, D, Serova, O, Wagner, T, Natt, E, Wirsching, J, Heidkämper, C, Montagna, M, Lynch, HT, Lenoir, GM, Scherer, G, Feunteun, J & Kemler, R 1995, 'The human plakoglobin gene localizes on chromosome 17q21 and is subjected to loss of heterozygosity in breast and ovarian cancers', Proceedings of the National Academy of Sciences of the United States of America, vol. 92, no. 14, pp. 6384-6388. https://doi.org/10.1073/pnas.92.14.6384
Aberle, Hermann ; Bierkamp, Christiane ; Torchard, Delphine ; Serova, Olga ; Wagner, Thomas ; Natt, Ernst ; Wirsching, Johann ; Heidkämper, Christiane ; Montagna, Marco ; Lynch, Henry T. ; Lenoir, Gilbert M. ; Scherer, Gerd ; Feunteun, Jean ; Kemler, Rolf. / The human plakoglobin gene localizes on chromosome 17q21 and is subjected to loss of heterozygosity in breast and ovarian cancers. In: Proceedings of the National Academy of Sciences of the United States of America. 1995 ; Vol. 92, No. 14. pp. 6384-6388.
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