{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,3]],"date-time":"2026-10-03T17:31:00Z","timestamp":1791048660078,"version":"4.1.0"},"reference-count":41,"publisher":"The Endocrine Society","issue":"9","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2000,9,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Molecular causes of phenotypic diversity in androgen insensitivity syndrome, occurring even in the same family, have rarely been identified. We report on a family with four affected individuals, three brothers (B1\u20133) and their uncle, displaying strikingly different external genitalia: B1, ambiguous; B2, severe micropenis; B3, slight micropenis; and uncle, micropenis and penoscrotal hypospadias. All had been assigned a male gender. We detected the same L712F mutation of the androgen receptor (AR) gene in each subject. Methyltrienolone binding on cultured genital skin fibroblasts of B2 suggested moderate impairment of the ligand-binding domain [maximal binding capacity, 38.2 fmol\/mg protein (normal); Kd, 0.21 nmol\/L; normal range, 0.03\u20130.13 nmol\/L]. In trans-activation assays, the mutant 712F-AR showed considerable deficiency at low concentrations of testosterone (0.01\u20130.1 nmol\/L) or dihydrotestosterone (0.01 nmol\/L). Remarkably, this could be fully neutralized by testosterone concentrations greater than 1.0 nmol\/L. Hence, the 712F-AR could switch its function from subnormal to normal within the physiological concentration range of testosterone. This was reflected by an excellent response to testosterone therapy in B1, B2, and the uncle. Taking into account the well documented individual and time-dependent variation in testosterone concentration in early fetal development, our observations clearly illustrate the potential impact of varying ligand concentrations for distinct cases of phenotypic variability in androgen insensitivity syndrome.<\/jats:p>","DOI":"10.1210\/jcem.85.9.6812","type":"journal-article","created":{"date-parts":[[2014,1,8]],"date-time":"2014-01-08T17:06:07Z","timestamp":1389200767000},"page":"3245-3250","source":"Crossref","is-referenced-by-count":2,"title":["Phenotypic Diversity and Testosterone-Induced Normalization of Mutant L712F Androgen Receptor Function in a Kindred with Androgen Insensitivity*"],"prefix":"10.1210","volume":"85","author":[{"given":"Paul-Martin","family":"Holterhus","sequence":"first","affiliation":[{"name":"Department of Pediatrics, Medical University of Lu\u0308beck (P.-M.H., O.H.), 23538 Lu\u0308beck"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gernot H. G.","family":"Sinnecker","sequence":"additional","affiliation":[{"name":"Department of Pediatric and Adolescent Medicine, Klinikum der Stadt Wolfsburg (G.H.G.S.), 38440 Wolfsburg, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Olaf","family":"Hiort","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Medical University of Lu\u0308beck (P.-M.H., O.H.), 23538 Lu\u0308beck"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"80","reference":[{"key":"2020071614123066700_R1","first-page":"17","article-title":"Genetic basis of endocrine disease. IV. 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