Search Results

You are looking at 1 - 10 of 17 items for :

  • Kallmann syndrome x
  • Refine by Access: All content x
Clear All
Open access

Ja Hye Kim, Yunha Choi, Soojin Hwang, Ji-Hee Yoon, Jieun Lee, Min Jae Kang, Gu-Hwan Kim, Han-Wook Yoo, and Jin-Ho Choi

Objective: This study was performed to investigate the molecular characteristics and frequency of copy number variations (CNVs) of ANOS1 in patients with Kallmann syndrome (KS) or normosmic isolated hypogonadotropic hypogonadism (nIHH) using multiplex ligation-dependent probe amplification (MLPA) analysis and sequencing.

Methods: Among 45 patients from 43 independent families, Sanger sequencing, next-generation sequencing (NGS), or microarray was performed in 24 patients from 23 families, and MLPA was performed in 19 patients who did not show rare sequence variants (n = 18) or ANOS1 amplification by PCR (n = 1).

Results: Seven patients (4 patients with KS, 1 patient with nIHH, one prepubertal boy with anosmia, and one newborn patient) from 6 families (6/43, 14%) harbored molecular defects in ANOS1 including a nonsense mutation [c.1140G>A (p.W380*)], a frameshift mutation [c.1260del (p.Q421Kfs*61)], a splice site mutation (c.1449+1G>A), an exon 7 deletion, a complete deletion, and 7.9 Mb-sized inversion encompassing ANOS1. The complete deletion of ANOS1 was identified in a neonate with a micropenis and cryptorchidism. Unilateral renal agenesis was found in three patients, whereas only one patient displayed both synkinesia and sensorineural hearing loss. There was no reversal of hypogonadotropic hypogonadism in any patient during 9.1 ± 2.9 years of treatment with testosterone enanthate.

Conclusions: Molecular defects in the ANOS1 gene could be identified in 14% of probands including various types of CNVs (3/43, 7.0%). Comprehensive analysis using sequencing and analysis for CNVs is required to detect molecular defects in ANOS1.

Open access

Ja Hye Kim, Yunha Choi, Soojin Hwang, Gu-Hwan Kim, Han-Wook Yoo, and Jin-Ho Choi

full clinical features of CHARGE syndrome. CHD7 variants have been identified in normosmic isolated hypogonadotropic hypogonadism (nIHH), Kallmann syndrome (KS), self-limited delayed puberty, as well as CHARGE syndrome ( 3 , 4 , 5 , 6 , 7

Open access

Rui-yi Tang, Rong Chen, Miao Ma, Shou-qing Lin, Yi-wen Zhang, and Ya-ping Wang

, including deafness, renal abnormalities and digital anomalies ( 1 , 2 ). Furthermore, IHH can be categorized according to olfactory function as IHH with a normal sense of smell (normosmic IHH; nIHH) and IHH with anosmia/hyposmia (Kallmann syndrome; KS

Open access

Catarina I Gonçalves, José M Aragüés, Margarida Bastos, Luísa Barros, Nuno Vicente, Davide Carvalho, and Manuel C Lemos

hormone deficiencies. CHH may occur associated with anosmia, a condition referred as Kallmann syndrome, or may occur without associated olfactory abnormalities, referred to as normosmic CHH (nCHH) ( 1 ). Genetic studies of patients with CHH have identified

Open access

Anna-Pauliina Iivonen, Johanna Känsäkoski, Kirsi Vaaralahti, and Taneli Raivio

hypogonadotropic hypogonadism is called normosmic (ncHH) if patients have normal sense of smell, whereas Kallmann syndrome (KS) is a form of the same disease where patients have absent or deficient smell ( 2 ). In the case of normosmic cHH, abnormal GnRH function

Open access

M I Stamou, P Varnavas, L Plummer, V Koika, and N A Georgopoulos

heterogeneous IGD only ~50% of patients have a genetic mutation that is identifiable ( 2 , 6 ). Mutations in genes that disrupt the neurodevelopmental pathway of GnRH, that is the development and migration of GnRH neurons cause Kallmann Syndrome (KS), and

Open access

Fernanda A Correa, Ericka B Trarbach, Cintia Tusset, Ana Claudia Latronico, Luciana R Montenegro, Luciani R Carvalho, Marcela M Franca, Aline P Otto, Everlayny F Costalonga, Vinicius N Brito, Ana Paula Abreu, Mirian Y Nishi, Alexander A L Jorge, Ivo J P Arnhold, Yisrael Sidis, Nelly Pitteloud, and Berenice B Mendonca

/or Kallmann syndrome (KS), such as midline cerebral and facial defects (3) . The adenohypophyseal and olfactory placodes share a common embryological origin as they both emerge from the preplacodal field, which could explain this overlap (4) . FGFR1, a

Open access

Agnieszka Pazderska, Yaasir Mamoojee, Satish Artham, Margaret Miller, Stephen G Ball, Tim Cheetham, and Richard Quinton

undergoing pubertal induction with testosterone at our centre since 1998 – aged 35 years or older. The diagnoses comprised Kallmann’s syndrome ( n  = 5), normosmic CHH ( n  = 1) and CHARGE syndrome ( n  = 1). Their clinical ‘vignettes’ are detailed in

Open access

Shota Dzemaili, Jitske Tiemensma, Richard Quinton, Nelly Pitteloud, Diane Morin, and Andrew A Dwyer

hypogonadotropic hypogonadism and Kallmann’s syndrome): pathophysiological and genetic considerations . Endocrine Reviews 1998 19 521 – 539 . 8 Quinton R Duke VM Robertson A Kirk JM Matfin G de Zoysa PA Azcona C MacColl GS

Open access

Luca Persani, Biagio Cangiano, and Marco Bonomi

anomalies) with ectopic posterior pituitary and variable LH/FSH, TSH and GH defects   FGFR1 136350 AD Kallmann’s syndrome (KS) and normosmic congenital hypogonadotropic hypogonadism (nCHH), variable association with defects of other pituitary