Table 9.

MPPH Syndrome: Notable Pathogenic Variants by Gene

GeneReference SequencesDNA Nucleotide ChangePredicted
Protein Change
Comment [Reference]
AKT3 NM_005465​.7
NP_005456​.1
c.1393C>Tp.Arg465TrpMost common MPPH-assoc pathogenic variant [Alcantara et al 2017]
PIK3R2 NM_005027​.4
NP_005018​.2
c.1117G>Ap.Gly373ArgMost common PIK3R2 pathogenic variant [Rivière et al 2012, Nakamura et al 2014, Mirzaa et al 2015, Terrone et al 2016].

Variants listed in the table have been provided by the authors. GeneReviews staff have not independently verified the classification of variants.

GeneReviews follows the standard naming conventions of the Human Genome Variation Society (varnomen​.hgvs.org). See Quick Reference for an explanation of nomenclature.

From: MPPH Syndrome

Cover of GeneReviews®
GeneReviews® [Internet].
Adam MP, Feldman J, Mirzaa GM, et al., editors.
Seattle (WA): University of Washington, Seattle; 1993-2024.
Copyright © 1993-2024, University of Washington, Seattle. GeneReviews is a registered trademark of the University of Washington, Seattle. All rights reserved.

GeneReviews® chapters are owned by the University of Washington. Permission is hereby granted to reproduce, distribute, and translate copies of content materials for noncommercial research purposes only, provided that (i) credit for source (http://www.genereviews.org/) and copyright (© 1993-2024 University of Washington) are included with each copy; (ii) a link to the original material is provided whenever the material is published elsewhere on the Web; and (iii) reproducers, distributors, and/or translators comply with the GeneReviews® Copyright Notice and Usage Disclaimer. No further modifications are allowed. For clarity, excerpts of GeneReviews chapters for use in lab reports and clinic notes are a permitted use.

For more information, see the GeneReviews® Copyright Notice and Usage Disclaimer.

For questions regarding permissions or whether a specified use is allowed, contact: ude.wu@tssamda.

NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.