Cited by 135Male Breast Health StudiesSexual Differentiation and DisordersEstrogen and related hormone effects

Androgen receptor gene mutation in male breast cancer.

Lobaccaro, Jean-Marc, Lumbroso, Serge, Belon, Charles, Galtier-Dereure, Florence, Bringer, Jacques, Lesimple, Thierry, Namer, Moïse, Cutull, Bruno F. +2 more·1993·Human Molecular Genetics

Abstract

We screened thirteen male breast cancers for the presence of germline mutations in exons 2 and 3 encoding the DNA-binding domain of the androgen receptor. These two exons were amplified from genomic DNA extracted from patients' white blood cells. In one of these thirteen patients, single strand conformation polymorphism and direct sequencing detected a guanine-adenine point mutation at nucleotide 2185 that changes Arg608 into Lys in a highly conserved region of the second zinc finger of the androgen receptor. This mutation occurred in a 38 year old man with partial androgen insensitivity syndrome and normal androgen-binding capacity in cultured genital skin fibroblasts. To our knowledge, only one germline Arg to Gln androgen receptor gene mutation has been previously reported at position 607 in male breast cancer. This androgen receptor mutation along with the Arg608 into Lys mutation we describe, suggests that this genetic abnormality is not fortuitous: a decrease in androgen action within the breast cells could account for the development of male breast cancer by the loss of a protective effect of androgens on these cells. Activation of estrogen regulated genes by the change of DNA-binding characteristics of the mutant androgen receptor cannot, however, be ruled out.

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Crossref · 10.1093/hmg/2.11.1799

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Authors
Lobaccaro, J.-M., Lumbroso, S., Belon, C., Galtier-Dereure, F., Bringer, J., Lesimple, T., Namer, M., Cutull, B. F., Pujol, H., & Sultan, C.
Affiliations
  • Inserm (FR)
  • Hôpital Lapeyronie (FR)
  • Centre Hospitalier Universitaire de Rennes (FR)
  • Institut pour la Recherche sur le Cancer de Lille (FR)
Corresponding author
Sultan, Charles
Venue
Human Molecular Genetics
Published
1993
Volume
2
Issue
11
Pages
1799-1802
ISSN
  • 0964-6906 (ISSN-L)
  • 1460-2083
OpenAlex
W1964648775
Cited by
135
References
0
Citations by year
2026: 1 · 2025: 1 · 2024: 3 · 2023: 2 · 2022: 1 · 2021: 3 · 2020: 1 · 2019: 1 · 2017: 3 · 2016: 1 · 2015: 3 · 2014: 5 · 2013: 4 · 2012: 2
FWCI
13.13
Type
journal article
Language
en
Open access
closed
Locations
  • Human Molecular Genetics (publishedVersion)
  • PubMed (publishedVersion)
  • HighWire Press Open Archive (submittedVersion)
Topics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Male Breast Health Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Sexual Differentiation and Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Estrogen and related hormone effects
Keywords
androgen receptor, male breast cancer, germline mutations, DNA-binding domain, zinc finger, partial androgen insensitivity syndrome, androgen insensitivity syndrome, androgen action
MeSH terms
Adult, Amino Acid Sequence, Base Sequence, Breast Neoplasms, DNA, DNA-Binding Proteins, Exons, Female, Humans, Leukocytes, Male, Men, Molecular Sequence Data, Pedigree, Polymorphism, Genetic, Receptors, Androgen, Skin, Polymerase Chain Reaction, Point Mutation, DNA Primers

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