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Mutations in PHF8 are associated with X linked mental retardation and cleft lip/cleft palate

Open access
Laumonnier, F, Holbert, S, Ronce, N, Faravelli, F, Lenzner, S, Schwartz, C E, Lespinasse, J, Van Esch, H, Lacombe, D, Goizet, C, Phan-Dinh Tuy, F, van Bokhoven, H, Fryns, J-P, Chelly, J, Ropers, H-H, Moraine, C, Hamel, B C J, Briault, S·2005·Journal of Medical Genetics

Abstract

Truncating mutations were found in the PHF8 gene (encoding the PHD finger protein 8) in two unrelated families with X linked mental retardation (XLMR) associated with cleft lip/palate (MIM 300263). Expression studies showed that this gene is ubiquitously transcribed, with strong expression of the mouse orthologue Phf8 in embryonic and adult brain structures. The coded PHF8 protein harbours two functional domains, a PHD finger and a JmjC (Jumonji-like C terminus) domain, implicating it in transcriptional regulation and chromatin remodelling. The association of XLMR and cleft lip/palate in these patients with mutations in PHF8 suggests an important function of PHF8 in midline formation and in the development of cognitive abilities, and links this gene to XLMR associated with cleft lip/palate. Further studies will explore the specific mechanisms whereby PHF8 alterations lead to mental retardation and midline defects.

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Metadata

Authors
Laumonnier, F., Holbert, S., Ronce, N., Faravelli, F., Lenzner, S., Schwartz, C. E., Lespinasse, J., Van Esch, H., Lacombe, D., Goizet, C., Phan-Dinh Tuy, F., van Bokhoven, H., Fryns, J.-P., Chelly, J., Ropers, H.-H., Moraine, C., Hamel, B. C. J., & Briault, S.
Venue
Journal of Medical Genetics
Publisher
BMJ
Published
2005-09-30
Volume
42
Issue
10
Pages
780-786
ISSN
  • 0022-2593 (ISSN-L)
  • 1468-6244
OpenAlex
W2128778630
Cited by
213
References
2
FWCI
3.19
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Mutations in PHF8 are associated with X linked mental retardation and cleft lip/cleft palate. https://app.cochat.ai/papers/10.1136/jmg.2004.029439
The paper
Laumonnier, F., Holbert, S., Ronce, N., Faravelli, F., Lenzner, S., Schwartz, C. E., Lespinasse, J., Van Esch, H., Lacombe, D., Goizet, C., Phan-Dinh Tuy, F., van Bokhoven, H., Fryns, J.-P., Chelly, J., Ropers, H.-H., Moraine, C., Hamel, B. C. J., & Briault, S. (2005). Mutations in PHF8 are associated with X linked mental retardation and cleft lip/cleft palate. Journal of Medical Genetics. https://doi.org/10.1136/jmg.2004.029439

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.