Cited by 132Hypothalamic control of reproductive hormonesGenetic Syndromes and ImprintingGenetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities

A new pathway in the control of the initiation of puberty: the MKRN3 gene

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Abreu, Ana Paula, Macedo, Delanie B, Brito, Vinicius N, Kaiser, Ursula B, Latronico, Ana Claudia·2015·Journal of Molecular Endocrinology

Abstract

Pubertal timing is influenced by complex interactions among genetic, nutritional, environmental, and socioeconomic factors. The role of MKRN3, an imprinted gene located in the Prader-Willi syndrome critical region (chromosome 15q11-13), in pubertal initiation was first described in 2013 after the identification of deleterious MKRN3 mutations in five families with central precocious puberty (CPP) using whole-exome sequencing analysis. Since then, additional loss-of-function mutations of MKRN3 have been associated with the inherited premature sexual development phenotype in girls and boys from different ethnic groups. In all of these families, segregation analysis clearly demonstrated autosomal dominant inheritance with complete penetrance, but with exclusive paternal transmission, consistent with the monoallelic expression of MKRN3 (a maternally imprinted gene). Interestingly, the hypothalamic Mkrn3 mRNA expression pattern in mice correlated with a putative inhibitory input on puberty initiation. Indeed, the initiation of puberty depends on a decrease in factors that inhibit the release of GnRH combined with an increase in stimulatory factors. These recent human and animal findings suggest that MKRN3 plays an inhibitory role in the reproductive axis to represent a new pathway in pubertal regulation.

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  • The MKRN3 protein has a ubiquitin ligase domain.

    “Its protein structure has a ubiquitin ligase domain”

    From Pubertal development and regulation (2016) · cites this paper as [79]

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  1. Ojeda SR Lomniczi A Puberty in 2013: Unravelling the mystery of puberty Nature reviews. Endocrinology 2014b 10 67 69 24275741

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Authors
Abreu, A. P., Macedo, D. B., Brito, V. N., Kaiser, U. B., & Latronico, A. C.
Affiliations
Brigham and Women's Hospital (US)
Venue
Journal of Molecular Endocrinology
Published
2015-06
Volume
54
Issue
3
Pages
R131-R139
ISSN
  • 0952-5041 (ISSN-L)
  • 1479-6813
OpenAlex
W1926000511
Cited by
126
References
47
Citations by year
2026: 4 · 2025: 8 · 2024: 8 · 2023: 14 · 2022: 12 · 2021: 10 · 2020: 14 · 2019: 15 · 2018: 13 · 2017: 10 · 2016: 13 · 2015: 5
FWCI
2.07
Type
journal article
Language
en
Open access
Locations
  • Journal of Molecular Endocrinology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Fundação de Amparo à Pesquisa do Estado de São Paulo
  • National Institutes of Health
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (F05HD072773, R01HD019938, U54HD28138, U54HD028138, R37HD019938, R01HD082314)
Topics
  • Health Sciences › Medicine › Reproductive Medicine › Hypothalamic control of reproductive hormones
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Syndromes and Imprinting
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities
Keywords
MKRN3, pubertal timing, central precocious puberty, genomic imprinting, monoallelic expression, GnRH release, autosomal dominant inheritance, loss-of-function mutations, premature sexual development
MeSH terms
Amino Acid Sequence, Animals, Humans, Hypothalamus, Molecular Sequence Data, Phenotype, Prader-Willi Syndrome, Puberty, Puberty, Precocious, Ribonucleoproteins, Signal Transduction, Gene Expression, Age of Onset, Ubiquitin-Protein Ligases, Genetic Association Studies

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