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Mutational analysis of the androgen receptor gene in two Chinese families with complete androgen insensitivity syndrome

  • Authors:
    • Song Wang
    • Haikun Xu
    • Wei An
    • Dechun Zhu
    • Dejun Li
  • View Affiliations / Copyright

    Affiliations: Department of Urology, The First Hospital of Jilin University, Changchun, Jilin 130021, P.R. China, Department of Radiology, China‑Japan Union Hospital of Jilin University, Changchun, Jilin 130033, P.R. China, Center for Prenatal Diagnosis, The First Hospital of Jilin University, Changchun, Jilin 130021, P.R. China
    Copyright: © Wang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 2277-2283
    |
    Published online on: April 6, 2016
       https://doi.org/10.3892/etm.2016.3234
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Abstract

Androgens are essential for normal male sex differentiation and are responsible for the normal development of male secondary sexual characteristics at puberty. The physiological effects of androgens are mediated by the androgen receptor (AR). Mutations in the AR gene are the most common cause of androgen insensitivity syndrome. The present study undertook a genetic analysis of the AR gene in two unrelated families affected by complete androgen insensitivity syndrome (CAIS) in China. In family 1, a previously reported nonsense mutation (G‑to‑A; p.W751X) was identified in exon 5 of the AR gene. In addition, a novel missense mutation was detected in exon 6 of the AR gene from family 2; this mutation resulted in a predicted amino acid change from phenylalanine to serine at codon 804 (T‑to‑C; p.F804S) in the ligand‑binding domain (LBD) of AR. Computer simulation of the structural changes generated by the p.F804S substitution revealed marked conformational alterations in the hydrophobic core responsible for the stability and function of the AR‑LBD. In conclusion, the present study identified two mutations from two unrelated Chinese families affected by CAIS. The novel mutation (p.F804S) may provide insights into the molecular mechanism underlying CAIS. Furthermore, it expands on the number of mutational hot spots in the international AR mutation database, which may be useful in the future for prenatal diagnosis and genetic counseling.
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Copy and paste a formatted citation
Spandidos Publications style
Wang S, Xu H, An W, Zhu D and Li D: Mutational analysis of the androgen receptor gene in two Chinese families with complete androgen insensitivity syndrome. Exp Ther Med 11: 2277-2283, 2016.
APA
Wang, S., Xu, H., An, W., Zhu, D., & Li, D. (2016). Mutational analysis of the androgen receptor gene in two Chinese families with complete androgen insensitivity syndrome. Experimental and Therapeutic Medicine, 11, 2277-2283. https://doi.org/10.3892/etm.2016.3234
MLA
Wang, S., Xu, H., An, W., Zhu, D., Li, D."Mutational analysis of the androgen receptor gene in two Chinese families with complete androgen insensitivity syndrome". Experimental and Therapeutic Medicine 11.6 (2016): 2277-2283.
Chicago
Wang, S., Xu, H., An, W., Zhu, D., Li, D."Mutational analysis of the androgen receptor gene in two Chinese families with complete androgen insensitivity syndrome". Experimental and Therapeutic Medicine 11, no. 6 (2016): 2277-2283. https://doi.org/10.3892/etm.2016.3234
Copy and paste a formatted citation
x
Spandidos Publications style
Wang S, Xu H, An W, Zhu D and Li D: Mutational analysis of the androgen receptor gene in two Chinese families with complete androgen insensitivity syndrome. Exp Ther Med 11: 2277-2283, 2016.
APA
Wang, S., Xu, H., An, W., Zhu, D., & Li, D. (2016). Mutational analysis of the androgen receptor gene in two Chinese families with complete androgen insensitivity syndrome. Experimental and Therapeutic Medicine, 11, 2277-2283. https://doi.org/10.3892/etm.2016.3234
MLA
Wang, S., Xu, H., An, W., Zhu, D., Li, D."Mutational analysis of the androgen receptor gene in two Chinese families with complete androgen insensitivity syndrome". Experimental and Therapeutic Medicine 11.6 (2016): 2277-2283.
Chicago
Wang, S., Xu, H., An, W., Zhu, D., Li, D."Mutational analysis of the androgen receptor gene in two Chinese families with complete androgen insensitivity syndrome". Experimental and Therapeutic Medicine 11, no. 6 (2016): 2277-2283. https://doi.org/10.3892/etm.2016.3234
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