From Prader-Willi syndrome to psychosis: translating parent-of-origin effects into schizophrenia research

Epigenomics
Maja KrefftBlazej Misiak

Abstract

Prader-Willi syndrome (PWS) is a relatively rare disorder that originates from paternally inherited deletions and maternal disomy (mUPD) within the 15q11-q13 region or alterations in the PWS imprinting center. Evidence is accumulating that mUPD underlies high prevalence of psychosis among PWS patients. Several genes involved in differentiation and survival of neurons as well as neurotransmission known to act in the development of PWS have been also implicated in schizophrenia. In this article, we provide an overview of genetic and epigenetic underpinnings of psychosis in PWS indicating overlapping points in the molecular background of PWS and schizophrenia. Simultaneously, we highlight the need for studies investigating genetic and epigenetic makeup of the 15q11-q13 in schizophrenia indicating promising candidate genes.

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Citations

Jul 15, 2015·American Journal of Human Genetics·Emma StrongLucy R Osborne
Jun 9, 2017·Journal of Neurodevelopmental Disorders·Elisabeth M DykensSoo-Jeong Kim
Feb 4, 2021·Biomedicines·Paola Bressan, Peter Kramer

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