De novo missense variants in PPP1CB are associated with intellectual disability and congenital heart disease

Lijiang Ma, Yavuz Bayram, Heather M. McLaughlin, Megan T. Cho, Alyson Krokosky, Clesson E. Turner, Kristin Lindstrom, Caleb P. Bupp, Katey Mayberry, Weiyi Mu, Joann N Bodurtha, Veronique Weinstein, Neda Zadeh, Wendy Alcaraz, Zöe Powis, Yunru Shao, Daryl A. Scott, Andrea M. Lewis, Janson J. White, Shalani N. JhangianiElif Yilmaz Gulec, Seema R. Lalani, James R. Lupski, Kyle Retterer, Rhonda E. Schnur, Ingrid M. Wentzensen, Sherri Bale, Wendy K. Chung

Research output: Contribution to journalArticle

Abstract

Intellectual disabilities are genetically heterogeneous and can be associated with congenital anomalies. Using whole-exome sequencing (WES), we identified five different de novo missense variants in the protein phosphatase-1 catalytic subunit beta (PPP1CB) gene in eight unrelated individuals who share an overlapping phenotype of dysmorphic features, macrocephaly, developmental delay or intellectual disability (ID), congenital heart disease, short stature, and skeletal and connective tissue abnormalities. Protein phosphatase-1 (PP1) is a serine/threonine-specific protein phosphatase involved in the dephosphorylation of a variety of proteins. The PPP1CB gene encodes a PP1 subunit that regulates the level of protein phosphorylation. All five altered amino acids we observed are highly conserved among the PP1 subunit family, and all are predicted to disrupt PP1 subunit binding and impair dephosphorylation. Our data suggest that our heterozygous de novo PPP1CB pathogenic variants are associated with syndromic intellectual disability.

Original languageEnglish (US)
Pages (from-to)1399-1409
Number of pages11
JournalHuman Genetics
Volume135
Issue number12
DOIs
StatePublished - Dec 1 2016

Fingerprint

Protein Phosphatase 1
Intellectual Disability
Heart Diseases
Megalencephaly
Exome
Developmental Disabilities
Phosphoprotein Phosphatases
Connective Tissue
Genes
Proteins
Phosphorylation
Phenotype
Amino Acids

ASJC Scopus subject areas

  • Genetics
  • Genetics(clinical)

Cite this

Ma, L., Bayram, Y., McLaughlin, H. M., Cho, M. T., Krokosky, A., Turner, C. E., ... Chung, W. K. (2016). De novo missense variants in PPP1CB are associated with intellectual disability and congenital heart disease. Human Genetics, 135(12), 1399-1409. https://doi.org/10.1007/s00439-016-1731-1

De novo missense variants in PPP1CB are associated with intellectual disability and congenital heart disease. / Ma, Lijiang; Bayram, Yavuz; McLaughlin, Heather M.; Cho, Megan T.; Krokosky, Alyson; Turner, Clesson E.; Lindstrom, Kristin; Bupp, Caleb P.; Mayberry, Katey; Mu, Weiyi; Bodurtha, Joann N; Weinstein, Veronique; Zadeh, Neda; Alcaraz, Wendy; Powis, Zöe; Shao, Yunru; Scott, Daryl A.; Lewis, Andrea M.; White, Janson J.; Jhangiani, Shalani N.; Gulec, Elif Yilmaz; Lalani, Seema R.; Lupski, James R.; Retterer, Kyle; Schnur, Rhonda E.; Wentzensen, Ingrid M.; Bale, Sherri; Chung, Wendy K.

In: Human Genetics, Vol. 135, No. 12, 01.12.2016, p. 1399-1409.

Research output: Contribution to journalArticle

Ma, L, Bayram, Y, McLaughlin, HM, Cho, MT, Krokosky, A, Turner, CE, Lindstrom, K, Bupp, CP, Mayberry, K, Mu, W, Bodurtha, JN, Weinstein, V, Zadeh, N, Alcaraz, W, Powis, Z, Shao, Y, Scott, DA, Lewis, AM, White, JJ, Jhangiani, SN, Gulec, EY, Lalani, SR, Lupski, JR, Retterer, K, Schnur, RE, Wentzensen, IM, Bale, S & Chung, WK 2016, 'De novo missense variants in PPP1CB are associated with intellectual disability and congenital heart disease', Human Genetics, vol. 135, no. 12, pp. 1399-1409. https://doi.org/10.1007/s00439-016-1731-1
Ma, Lijiang ; Bayram, Yavuz ; McLaughlin, Heather M. ; Cho, Megan T. ; Krokosky, Alyson ; Turner, Clesson E. ; Lindstrom, Kristin ; Bupp, Caleb P. ; Mayberry, Katey ; Mu, Weiyi ; Bodurtha, Joann N ; Weinstein, Veronique ; Zadeh, Neda ; Alcaraz, Wendy ; Powis, Zöe ; Shao, Yunru ; Scott, Daryl A. ; Lewis, Andrea M. ; White, Janson J. ; Jhangiani, Shalani N. ; Gulec, Elif Yilmaz ; Lalani, Seema R. ; Lupski, James R. ; Retterer, Kyle ; Schnur, Rhonda E. ; Wentzensen, Ingrid M. ; Bale, Sherri ; Chung, Wendy K. / De novo missense variants in PPP1CB are associated with intellectual disability and congenital heart disease. In: Human Genetics. 2016 ; Vol. 135, No. 12. pp. 1399-1409.
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AU - Lupski, James R.

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