Shuyu Xiong

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Isolated follicle stimulating hormone (FSH) deficiency due to mutations in FSHβ is an extremely rare autosomal recessive disease that has only been reported in ten patients to date. Symptoms of the disease include amenorrhoea and hypogonadism in women and azoospermia and normal testosterone levels in men. This study describes a Chinese male patient who(More)
17β-Hydroxysteroid dehydrogenase type 3 (17β-HSD3) converts the inactive Δ4-androstenedione (A) to testosterone (T). Its deficiency is the most common testosterone biosynthesis defect that results in 46,XY Disorders Of Sex Development (DSD). However, the disease is difficult to distinguish from other 46,XY DSD for similar clinical phenotypes. Therefore,(More)
Context The effectiveness of pulsatile gonadotropin-releasing hormone (GnRH) therapy in patients with congenital combined pituitary hormone deficiency (CCPHD) has not been investigated because of the limited number of patients, as well as these patients' presumed pituitary hypoplasia, poor gonadotrophic cell reserve, and impaired gonadotrophic response to(More)
OBJECTIVE To analyze ANOS1 gene mutations in a large Chinese Kallmann syndrome (KS) cohort and to characterize the clinical presentation of the disease in patients with ANOS1 mutations. PATIENTS AND METHODS Chinese patients with KS, including 187 sporadic and 23 pedigree cases were recruited. Patients' ANOS1 gene sequences were analyzed by direct(More)
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