Where genotype is not predictive of phenotype: towards an understanding of the molecular basis of reduced penetrance in human inherited disease

DN Cooper, M Krawczak, C Polychronakos… - Human genetics, 2013 - Springer
Some individuals with a particular disease-causing mutation or genotype fail to express
most if not all features of the disease in question, a phenomenon that is known as 'reduced …

Genetics of congenital hypogonadotropic hypogonadism: peculiarities and phenotype of an oligogenic disease

B Cangiano, DS Swee, R Quinton, M Bonomi - Human genetics, 2021 - Springer
A genetic basis of congenital isolated hypogonadotropic hypogonadism (CHH) can be
defined in almost 50% of cases, albeit not necessarily the complete genetic basis. Next …

Hypothalamic-pituitary-ovarian axis disorders impacting female fertility

S Mikhael, A Punjala-Patel, L Gavrilova-Jordan - Biomedicines, 2019 - mdpi.com
The hypothalamic-pituitary-ovarian (HPO) axis is a tightly regulated system controlling
female reproduction. HPO axis dysfunction leading to ovulation disorders can be classified …

GENETICS IN ENDOCRINOLOGY: Genetic counseling for congenital hypogonadotropic hypogonadism and Kallmann syndrome: new challenges in the era of …

L Maione, AA Dwyer, B Francou… - European Journal of …, 2018 - academic.oup.com
Congenital hypogonadotropic hypogonadism (CHH) and Kallmann syndrome (KS) are rare,
related diseases that prevent normal pubertal development and cause infertility in affected …

Congenital hypogonadotropic hypogonadism and constitutional delay of growth and puberty have distinct genetic architectures

D Cassatella, SR Howard, JS Acierno… - European journal of …, 2018 - academic.oup.com
Objective Congenital hypogonadotropic hypogonadism (CHH) and constitutional delay of
growth and puberty (CDGP) represent rare and common forms of GnRH deficiency …

Congenital hypogonadotropic hypogonadism and Kallmann syndrome: past, present, and future

SH Kim - Endocrinology and metabolism, 2015 - synapse.koreamed.org
The proper development and coordination of the hypothalamic-pituitary-gonadal (HPG) axis
are essential for normal reproductive competence. The key factor that regulates the function …

Neonatal gonadotropin therapy in male congenital hypogonadotropic hypogonadism

C Bouvattier, L Maione, J Bouligand, C Dodé… - Nature Reviews …, 2012 - nature.com
Congenital hypogonadotropic hypogonadism (CHH) causes pubertal failure and infertility in
both women and men due to partial or total secretory failure of the two pituitary …

Genetic basis and variable phenotypic expression of Kallmann syndrome: towards a unifying theory

AL Mitchell, A Dwyer, N Pitteloud, R Quinton - Trends in Endocrinology & …, 2011 - cell.com
Idiopathic hypogonadotropic hypogonadism (IHH) is defined by absent or incomplete
puberty and characterised biochemically by low levels of sex steroids, with low or …

SEMA3A deletion in a family with Kallmann syndrome validates the role of semaphorin 3A in human puberty and olfactory system development

J Young, C Metay, J Bouligand, B Tou… - Human …, 2012 - academic.oup.com
BACKGROUND Kallmann syndrome (KS) is a genetic disorder associating pubertal failure
with congenitally absent or impaired sense of smell. KS is related to defective neuronal …

Discovering genes essential to the hypothalamic regulation of human reproduction using a human disease model: adjusting to life in the “-omics” era

MI Stamou, KH Cox, WF Crowley Jr - Endocrine reviews, 2015 - academic.oup.com
The neuroendocrine regulation of reproduction is an intricate process requiring the exquisite
coordination of an assortment of cellular networks, all converging on the GnRH neurons …