Exome sequence identifies RIPK4 as the Bartsocas-Papas syndrome locus

Karen Mitchell, James O'Sullivan, Caterina Missero, Ed Blair, Rose Richardson, Beverley Anderson, Dario Antonini, Jeffrey C. Murray, Alan L. Shanske, Brian C. Schutte, Rose Anne Romano, Satrajit Sinha, Sanjeev S. Bhaskar, Graeme C M Black, Jill Dixon, Michael J. Dixon

Research output: Contribution to journalArticle

54 Citations (Scopus)

Abstract

Pterygium syndromes are complex congenital disorders that encompass several distinct clinical conditions characterized by multiple skin webs affecting the flexural surfaces often accompanied by craniofacial anomalies. In severe forms, such as in the autosomal-recessive Bartsocas-Papas syndrome, early lethality is common, complicating the identification of causative mutations. Using exome sequencing in a consanguineous family, we identified the homozygous mutation c.1127C>A in exon 7 of RIPK4 that resulted in the introduction of the nonsense mutation p.Ser376X into the encoded ankyrin repeat-containing kinase, a protein that is essential for keratinocyte differentiation. Subsequently, we identified a second mutation in exon 2 of RIPK4 (c.242T>A) that resulted in the missense variant p.Ile81Asn in the kinase domain of the protein. We have further demonstrated that RIPK4 is a direct transcriptional target of the protein p63, a master regulator of stratified epithelial development, which acts as a nodal point in the cascade of molecular events that prevent pterygium syndromes.

Original languageEnglish
Pages (from-to)69-75
Number of pages7
JournalAmerican Journal of Human Genetics
Volume90
Issue number1
DOIs
Publication statusPublished - Jan 13 2012

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Exome
Protein Kinases
Mutation
Exons
Ankyrin Repeat
Congenital, Hereditary, and Neonatal Diseases and Abnormalities
Nonsense Codon
Keratinocytes
Skin
Lethal Type Popliteal Pterygium Syndrome
Proteins
Multiple pterygium syndrome

ASJC Scopus subject areas

  • Genetics
  • Genetics(clinical)

Cite this

Mitchell, K., O'Sullivan, J., Missero, C., Blair, E., Richardson, R., Anderson, B., ... Dixon, M. J. (2012). Exome sequence identifies RIPK4 as the Bartsocas-Papas syndrome locus. American Journal of Human Genetics, 90(1), 69-75. https://doi.org/10.1016/j.ajhg.2011.11.013

Exome sequence identifies RIPK4 as the Bartsocas-Papas syndrome locus. / Mitchell, Karen; O'Sullivan, James; Missero, Caterina; Blair, Ed; Richardson, Rose; Anderson, Beverley; Antonini, Dario; Murray, Jeffrey C.; Shanske, Alan L.; Schutte, Brian C.; Romano, Rose Anne; Sinha, Satrajit; Bhaskar, Sanjeev S.; Black, Graeme C M; Dixon, Jill; Dixon, Michael J.

In: American Journal of Human Genetics, Vol. 90, No. 1, 13.01.2012, p. 69-75.

Research output: Contribution to journalArticle

Mitchell, K, O'Sullivan, J, Missero, C, Blair, E, Richardson, R, Anderson, B, Antonini, D, Murray, JC, Shanske, AL, Schutte, BC, Romano, RA, Sinha, S, Bhaskar, SS, Black, GCM, Dixon, J & Dixon, MJ 2012, 'Exome sequence identifies RIPK4 as the Bartsocas-Papas syndrome locus', American Journal of Human Genetics, vol. 90, no. 1, pp. 69-75. https://doi.org/10.1016/j.ajhg.2011.11.013
Mitchell K, O'Sullivan J, Missero C, Blair E, Richardson R, Anderson B et al. Exome sequence identifies RIPK4 as the Bartsocas-Papas syndrome locus. American Journal of Human Genetics. 2012 Jan 13;90(1):69-75. https://doi.org/10.1016/j.ajhg.2011.11.013
Mitchell, Karen ; O'Sullivan, James ; Missero, Caterina ; Blair, Ed ; Richardson, Rose ; Anderson, Beverley ; Antonini, Dario ; Murray, Jeffrey C. ; Shanske, Alan L. ; Schutte, Brian C. ; Romano, Rose Anne ; Sinha, Satrajit ; Bhaskar, Sanjeev S. ; Black, Graeme C M ; Dixon, Jill ; Dixon, Michael J. / Exome sequence identifies RIPK4 as the Bartsocas-Papas syndrome locus. In: American Journal of Human Genetics. 2012 ; Vol. 90, No. 1. pp. 69-75.
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