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  • Title: Prenatal Diagnosis of Twin Fetuses with a Novel AR Gene Mutation in a Chinese Family of Complete Androgen Insensitivity Syndrome.
    Author: Wu W, Geng Q, Liu Y, Xu Z, Li P, Xie J.
    Journal: Fetal Pediatr Pathol; 2017 Dec; 36(6):432-436. PubMed ID: 29206494.
    Abstract:
    INTRODUCTION AND AIMS: Androgen insensitivity syndrome (AIS) is an X-linked recessive genetic disorder caused by mutations in the androgen receptor (AR) gene. Only a few cases of AIS with AR gene mutations have been diagnosed prenatally. This study aimed to investigate the gene mutation in a Chinese complete androgen insensitivity syndrome family and perform prenatal diagnosis for twin fetuses. CASE REPORT: We evaluated the AR gene of the child proband in a Chinese CAIS family, and detected a novel mutation c.3864T>C (p. Phe917Leu). Amniocentesis was performed when the mother presented to our hospital with a subsequent twin pregnancy. Mutation analysis revealed that both fetuses were hemizygous for this mutation. The aborted fetuses had typical female external genitalia and bilateral testes in abdomen. CONCLUSION: The c.3864T>C AR novel mutation is responsible for complete androgen insensitivity syndrome, and its identification was subsequently used for a subsequent successful prenatal diagnosis.
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