期刊
FERTILITY AND STERILITY
卷 99, 期 3, 页码 815-818出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.fertnstert.2012.11.003
关键词
PROKR2; hypogonadotropic hypogonadism; biallelic mutations; recessive inheritance
资金
- Academy of Finland
- Finnish Foundation for Pediatric Research
- Helsinki University Central Hospital Research Funds
- Helsinki University Research Funds
- Sigrid Juselius Foundation
Objective: To investigate the inheritance pattern of two missense PROKR2 changes within a single family. Design: This is a descriptive study. Setting: Tertiary referral center. Patient(s): The proband and his brother, both with congenital hypogonadotropic hypogonadism and anosmia (Kallmann syndrome). Intervention(s): Clinical and biochemical evaluation of Kallmann syndrome. Sequence analysis of the coding exons and exon-intron boundaries of KAL1, FGFR1, FGF8, PROK2, and PROKR2 from polymerase chain reaction (PCR)-amplified genomic DNA. Recombinant human FSH treatment of the proband. Main Outcome Measure(s): Phenotypic and genotypic features, and inhibin B response to recombinant human FSH. Result(s): The proband and his brother were homozygous for two variants in PROKR2; a novel mutation c.701G>A (p.G234D), and a polymorphism c.802C>T (p.R268C). Recombinant human FSH therapy of the proband increased serum inhibin B from <16 to 136 ng/L. The heterozygous parents were fertile and had six children. Conclusion(s): These findings are consistent with recessive mode of inheritance. PROKR2 signaling does not directly affect Sertoli cell function. (Fertil Steril (R) 2013;99:815-8. (C) 2013 by American Society for Reproductive Medicine.)
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