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Congenital myopathy v3.84 PPA2 Arina Puzriakova Phenotypes for gene: PPA2 were changed from Sudden cardiac failure, infantile, 617222 to Sudden cardiac failure, infantile, OMIM:617222
Congenital myopathy v1.215 PPA2 Louise Daugherty Source NHS GMS was added to PPA2.
Congenital myopathy v1.212 PPA2 Louise Daugherty Classified gene: PPA2 as Amber List (moderate evidence)
Congenital myopathy v1.212 PPA2 Louise Daugherty Added comment: Comment on list classification: Amber gene recommended by Anna Sarkozy as a result of GLH Test Group prior to sign off.
Congenital myopathy v1.212 PPA2 Louise Daugherty Gene: ppa2 has been classified as Amber List (Moderate Evidence).
Congenital myopathy v1.211 PPA2 Louise Daugherty gene: PPA2 was added
gene: PPA2 was added to Congenital myopathy. Sources: Expert Review
Mode of inheritance for gene: PPA2 was set to BIALLELIC, autosomal or pseudoautosomal
Phenotypes for gene: PPA2 were set to Sudden cardiac failure, infantile, 617222
Review for gene: PPA2 was set to AMBER
Added comment: gene recommended to be added to panel by Anna Sarkozy as a result of GLH Test Group prior to sign off. Recessive variants are associated with sudden cardiac death in infants and young adults. Skeletal muscle from one mildly myopathic infant displayed nemaline bodies Guimier A, Gordon CT, Godard F, et al. : Biallelic PPA2 Mutations Cause Sudden Unexpected Cardiac Arrest in Infancy. Am J Hum Genet. 2016;99(3):666–73. and
Kennedy H, Haack TB, Hartill V, et al. : Sudden Cardiac Death Due to Deficiency of the Mitochondrial Inorganic Pyrophosphatase PPA2. Am J Hum Genet. 2016;99(3):674–82.
Sources: Expert Review