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Mendeliome v0.9012 RPS6KA3 Zornitza Stark Marked gene: RPS6KA3 as ready
Mendeliome v0.9012 RPS6KA3 Zornitza Stark Gene: rps6ka3 has been classified as Green List (High Evidence).
Mendeliome v0.9012 RPS6KA3 Zornitza Stark Phenotypes for gene: RPS6KA3 were changed from to Coffin-Lowry syndrome MIM# 303600; Intellectual disability; short stature; delayed bone age; hearing deficit; hypotonia; tapering fingers; abnormal facies (hypertelorism, anteverted nares, prominent frontal region)
Mendeliome v0.9011 RPS6KA3 Zornitza Stark Publications for gene: RPS6KA3 were set to
Mendeliome v0.9010 RPS6KA3 Zornitza Stark Mode of inheritance for gene: RPS6KA3 was changed from Unknown to X-LINKED: hemizygous mutation in males, biallelic mutations in females
Mendeliome v0.9009 RPS6KA3 Zornitza Stark reviewed gene: RPS6KA3: Rating: GREEN; Mode of pathogenicity: None; Publications: 6879200; Phenotypes: Coffin-Lowry syndrome MIM# 303600, Intellectual disability, short stature, delayed bone age, hearing deficit, hypotonia, tapering fingers, abnormal facies (hypertelorism, anteverted nares, prominent frontal region); Mode of inheritance: X-LINKED: hemizygous mutation in males, biallelic mutations in females
Mendeliome v0.6769 ALDH1L2 Naomi Baker gene: ALDH1L2 was added
gene: ALDH1L2 was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: ALDH1L2 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: ALDH1L2 were set to PMID: 31341639; 33168096
Phenotypes for gene: ALDH1L2 were set to pruritic ichthyosis, severe diffuse hypomyelination seen on MRI, and abnormal lipid peaks
Review for gene: ALDH1L2 was set to RED
Added comment: Individual reported with bialleleic ALDH1L2 variants (non-canonical splice and a frameshift mutation), who also has a de novo hemizygous RPS6KA3 frameshift mutation. Authors state that not all features of the individual could be explained by the RPS6KA3 variant, and that consideration of Coffin-Lowry sysndrome was only made after identification of the RPS6KA3 variant. Therefore individual has there is a blended phenotype of Coffin–Lowry syndrome and Sjögren–Larsson syndrome. From functional studies authors propose that the ALDH1L2 loss induces mitochondrial dysfunction due to reduced NADPH and increased oxidative stress (PMID: 31341639). Knockout mouse model was viable and did not show an apparent phenotype, however metabolomic analysis showed vastly changed metabotypes in the liver and plasma in these mice suggesting channeling of fatty acids away from β-oxidation. Authors therefore postulate that the role of ALDH1L2 in the lipid metabolism explains why the loss of this enzyme is associated with neuro-cutaneous disease.
Sources: Literature
Mendeliome v0.0 RPS6KA3 Zornitza Stark gene: RPS6KA3 was added
gene: RPS6KA3 was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: RPS6KA3 was set to Unknown