Cited by 95Congenital Ear and Nasal AnomaliesGenomics and Rare DiseasesCongenital gastrointestinal and neural anomalies

CHD8 interacts with CHD7, a protein which is mutated in CHARGE syndrome

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Batsukh, T., Pieper, L., Koszucka, A. M., von Velsen, N., Hoyer-Fender, S., Elbracht, M., Bergman, J. E. H., Hoefsloot, L. H. +1 more·2010·Human Molecular Genetics

Abstract

CHARGE syndrome is an autosomal dominant disorder caused in about two-third of cases by mutations in the CHD7 gene. For other genetic diseases e.g. hereditary spastic paraplegia, it was shown that interacting partners are involved in the underlying cause of the disease. These data encouraged us to search for CHD7 binding partners by a yeast two-hybrid library screen and CHD8 was identified as an interacting partner. The result was confirmed by a direct yeast two-hybrid analysis, co-immunoprecipitation studies and by a bimolecular fluorescence complementation assay. To investigate the function of CHD7 missense mutations in the CHD7-CHD8 interacting area on the binding capacity of both proteins, we included three known missense mutations (p.His2096Arg, p.Val2102Ile and p.Gly2108Arg) and one newly identified missense mutation (p.Trp2091Arg) in the CHD7 gene and performed both direct yeast two-hybrid and co-immunoprecipitation studies. In the direct yeast two-hybrid system, the CHD7-CHD8 interaction was disrupted by the missense mutations p.Trp2091Arg, p.His2096Arg and p.Gly2108Arg, whereas in the co-immunoprecipitation studies disruption of the CHD7-CHD8 interaction by the mutations could not be observed. The results lead to the hypothesis that CHD7 and CHD8 proteins are interacting directly and indirectly via additional linker proteins. Disruption of the direct CHD7-CHD8 interaction might change the conformation of a putative large CHD7-CHD8 complex and could be a disease mechanism in CHARGE syndrome.

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Crossref · 10.1093/hmg/ddq189

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Authors
Batsukh, T., Pieper, L., Koszucka, A. M., von Velsen, N., Hoyer-Fender, S., Elbracht, M., Bergman, J. E. H., Hoefsloot, L. H., & Pauli, S.
Affiliations
  • University of Göttingen (DE)
  • Friedrich-Alexander-Universität Erlangen-Nürnberg (DE)
  • RWTH Aachen University (DE)
  • Radboud University Nijmegen (NL)
Venue
Human Molecular Genetics
Published
2010-05-07
Volume
19
Issue
14
Pages
2858-2866
ISSN
  • 0964-6906 (ISSN-L)
  • 1460-2083
OpenAlex
W2104655319
Cited by
95
References
41
Citations by year
2026: 3 · 2025: 2 · 2024: 8 · 2023: 7 · 2022: 6 · 2021: 8 · 2020: 3 · 2019: 3 · 2018: 9 · 2017: 5 · 2016: 5 · 2015: 5 · 2014: 9 · 2013: 7 · 2012: 11
FWCI
3.14
Type
journal article
Language
en
Licence
cc-by
Locations
  • Human Molecular Genetics (publishedVersion)
  • PubMed (publishedVersion)
  • University of Groningen research database (University of Groningen / Centre for Information Technology) (publishedVersion)
  • GoeScholar The Publication Server of the Georg-August-Universität Göttingen (Georg-August-Universität Göttingen) (submittedVersion, cc-by)
  • GRO (submittedVersion, cc-by)
  • RWTH Publications (RWTH Aachen) (submittedVersion)
  • Radboud Repository (Radboud University) (submittedVersion)
  • University of Groningen research database (University of Groningen / Centre for Information Technology) (submittedVersion)
Funders
Georg-August-Universität Göttingen
Topics
  • Health Sciences › Medicine › Genetics › Congenital Ear and Nasal Anomalies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomics and Rare Diseases
  • Health Sciences › Medicine › Surgery › Congenital gastrointestinal and neural anomalies
Keywords
CHD8, CHD7, CHARGE syndrome, protein-protein interaction, missense mutations, autosomal dominant disorder
MeSH terms
Abnormalities, Multiple, Developmental Disabilities, Choanal Atresia, Coloboma, Deafness, DNA Helicases, DNA-Binding Proteins, Ear, Heart Defects, Congenital, HeLa Cells, Humans, Mutation, Protein Binding, Syndrome, Transcription Factors, Transfection, Two-Hybrid System Techniques, Sexual Infantilism, Protein Interaction Domains and Motifs

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