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Clinical, Hormonal, Behavioral, and Genetic Characteristics of Androgen Insensitivity Syndrome in a Brazilian Cohort: Five Novel Mutations in the Androgen Receptor Gene

Melo, Karla F. S., Mendonca, Berenice B., Billerbeck, Ana Elisa C., Costa, Elaine M. F., Inácio, Marlene, Silva, Frederico A. Q., Leal, Angela M. O., Latronico, Ana C., Arnhold, Ivo J. P.·2003·The Journal of Clinical Endocrinology & Metabolism

Abstract

Androgen insensitivity syndrome (AIS) is caused by mutations in the androgen receptor gene and is associated with a variety of phenotypes in 46,XY individuals, ranging from phenotypic women [complete form (CAIS)] to men with minor degrees of undervirilization or infertility [partial form (PAIS)]. We studied 32 subjects with male pseudohermaphroditism from 20 families (9 CAIS, 11 PAIS) with the following criteria for AIS: 46,XY karyotype, normal male basal and human chorionic gonadotropin-stimulated levels of serum testosterone and steroid precursors, gynecomastia at puberty, and, in prepubertal patients, a family history suggestive of X-linked inheritance. The entire coding region of the androgen receptor gene was analyzed, and mutations were found in all families with CAIS and in eight of 11 families with PAIS. Fifteen different mutations were identified, including five (S119X, T602P, L768V, I898F, and P904V) that have not been described previously. Detailed clinical and hormonal features were compared with genotype in 25 subjects with AIS and confirmed by mutational analysis. LH hormone levels and the LH x testosterone product were high in all postpubertal subjects with AIS. All subjects with PAIS maintained at postpubertal age the gender identity and social sex that was assigned to them in infancy, in contrast to other forms of pseudohermaphroditism.

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Metadata

Authors
Melo, K. F. S., Mendonca, B. B., Billerbeck, A. E. C., Costa, E. M. F., Inácio, M., Silva, F. A. Q., Leal, A. M. O., Latronico, A. C., & Arnhold, I. J. P.
Venue
The Journal of Clinical Endocrinology & Metabolism
Published
2003-07
Volume
88
Issue
7
Pages
3241-3250
ISSN
  • 0021-972X (ISSN-L)
  • 1945-7197
OpenAlex
W2011689173
Cited by
189
References
4
FWCI
2.79
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Clinical, Hormonal, Behavioral, and Genetic Characteristics of Androgen Insensitivity Syndrome in a Brazilian Cohort: Five Novel Mutations in the Androgen Receptor Gene. https://app.cochat.ai/papers/10.1210/jc.2002-021658
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Melo, K. F. S., Mendonca, B. B., Billerbeck, A. E. C., Costa, E. M. F., Inácio, M., Silva, F. A. Q., Leal, A. M. O., Latronico, A. C., & Arnhold, I. J. P. (2003). Clinical, Hormonal, Behavioral, and Genetic Characteristics of Androgen Insensitivity Syndrome in a Brazilian Cohort: Five Novel Mutations in the Androgen Receptor Gene. The Journal of Clinical Endocrinology & Metabolism. https://doi.org/10.1210/jc.2002-021658

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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