Putative Roles of SETBP1 Dosage on the SET Oncogene to Affect Brain Development

Mutations in SET BINDING PROTEIN 1 (SETBP1) cause two different clinically distinguishable diseases called Schinzel–Giedion syndrome (SGS) or SETBP1 deficiency syndrome (SDD). Both disorders are disorders of protein dosage, where SGS is caused by decreased rate of protein breakdown due to mutations...

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Main Authors: Lilit Antonyan, Carl Ernst
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-05-01
Series:Frontiers in Neuroscience
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fnins.2022.813430/full
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author Lilit Antonyan
Carl Ernst
author_facet Lilit Antonyan
Carl Ernst
author_sort Lilit Antonyan
collection DOAJ
description Mutations in SET BINDING PROTEIN 1 (SETBP1) cause two different clinically distinguishable diseases called Schinzel–Giedion syndrome (SGS) or SETBP1 deficiency syndrome (SDD). Both disorders are disorders of protein dosage, where SGS is caused by decreased rate of protein breakdown due to mutations in a proteosome targeting domain, and SDD is caused by heterozygous loss-of-function mutations leading to haploinsufficiency. While phenotypes of affected individuals support a role for SETBP1 in brain development, little is known about the mechanisms that might underlie this. The binding partner which gave SETBP1 its name is SET and there is extensive literature on this important oncogene in non-neural tissues. Here we describe different molecular complexes in which SET is involved as well as the role of these complexes in brain development. Based on this information, we postulate how SETBP1 protein dosage might influence these SET-containing molecular pathways and affect brain development. We examine the roles of SET and SETBP1 in acetylation inhibition, phosphatase activity, DNA repair, and cell cycle control. This work provides testable hypotheses for how altered SETBP1 protein dosage affects brain development.
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spelling doaj.art-35db60faf92647028d91c4522dc297fc2022-12-22T02:11:40ZengFrontiers Media S.A.Frontiers in Neuroscience1662-453X2022-05-011610.3389/fnins.2022.813430813430Putative Roles of SETBP1 Dosage on the SET Oncogene to Affect Brain DevelopmentLilit AntonyanCarl ErnstMutations in SET BINDING PROTEIN 1 (SETBP1) cause two different clinically distinguishable diseases called Schinzel–Giedion syndrome (SGS) or SETBP1 deficiency syndrome (SDD). Both disorders are disorders of protein dosage, where SGS is caused by decreased rate of protein breakdown due to mutations in a proteosome targeting domain, and SDD is caused by heterozygous loss-of-function mutations leading to haploinsufficiency. While phenotypes of affected individuals support a role for SETBP1 in brain development, little is known about the mechanisms that might underlie this. The binding partner which gave SETBP1 its name is SET and there is extensive literature on this important oncogene in non-neural tissues. Here we describe different molecular complexes in which SET is involved as well as the role of these complexes in brain development. Based on this information, we postulate how SETBP1 protein dosage might influence these SET-containing molecular pathways and affect brain development. We examine the roles of SET and SETBP1 in acetylation inhibition, phosphatase activity, DNA repair, and cell cycle control. This work provides testable hypotheses for how altered SETBP1 protein dosage affects brain development.https://www.frontiersin.org/articles/10.3389/fnins.2022.813430/fullneurodevelopmentSETBP1Schinzel–Giedion syndromedisease modelinggene
spellingShingle Lilit Antonyan
Carl Ernst
Putative Roles of SETBP1 Dosage on the SET Oncogene to Affect Brain Development
Frontiers in Neuroscience
neurodevelopment
SETBP1
Schinzel–Giedion syndrome
disease modeling
gene
title Putative Roles of SETBP1 Dosage on the SET Oncogene to Affect Brain Development
title_full Putative Roles of SETBP1 Dosage on the SET Oncogene to Affect Brain Development
title_fullStr Putative Roles of SETBP1 Dosage on the SET Oncogene to Affect Brain Development
title_full_unstemmed Putative Roles of SETBP1 Dosage on the SET Oncogene to Affect Brain Development
title_short Putative Roles of SETBP1 Dosage on the SET Oncogene to Affect Brain Development
title_sort putative roles of setbp1 dosage on the set oncogene to affect brain development
topic neurodevelopment
SETBP1
Schinzel–Giedion syndrome
disease modeling
gene
url https://www.frontiersin.org/articles/10.3389/fnins.2022.813430/full
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