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BabyScreen+ newborn screening v0.1890 HMGCS2 Zornitza Stark Marked gene: HMGCS2 as ready
BabyScreen+ newborn screening v0.1890 HMGCS2 Zornitza Stark Gene: hmgcs2 has been classified as Amber List (Moderate Evidence).
BabyScreen+ newborn screening v0.1890 HMGCS2 Zornitza Stark Classified gene: HMGCS2 as Amber List (moderate evidence)
BabyScreen+ newborn screening v0.1890 HMGCS2 Zornitza Stark Gene: hmgcs2 has been classified as Amber List (Moderate Evidence).
BabyScreen+ newborn screening v0.1889 HMGCS2 Zornitza Stark Tag for review tag was added to gene: HMGCS2.
Tag treatable tag was added to gene: HMGCS2.
Tag metabolic tag was added to gene: HMGCS2.
BabyScreen+ newborn screening v0.1889 HMGCS2 Zornitza Stark reviewed gene: HMGCS2: Rating: AMBER; Mode of pathogenicity: None; Publications: ; Phenotypes: HMG-CoA synthase-2 deficiency MIM#605911; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
BabyScreen+ newborn screening v0.1872 HMGCS2 Lilian Downie gene: HMGCS2 was added
gene: HMGCS2 was added to gNBS. Sources: Expert list
Mode of inheritance for gene: HMGCS2 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: HMGCS2 were set to PMID: 32259399, 32470406
Phenotypes for gene: HMGCS2 were set to HMG-CoA synthase-2 deficiency MIM#605911
Penetrance for gene: HMGCS2 were set to Incomplete
Review for gene: HMGCS2 was set to AMBER
Added comment: Metabolic disorder; patients present with hypoketotic hypoglycemia, encephalopathy, and hepatomegaly, usually precipitated by an intercurrent infection or prolonged fasting. Recover completely between illnesses, do develop fatty liver.
?incomplete penetrance or variable age of onset
On GUARDIAN and Rx Genes
Rx IV glucose during acute episodes, avoid prolonged fasting
Metabolic parameters are normal in between episodes, so no ability to do a confirmatory biochemical test.
Pros: readily treatable if child has an episode Cons: unncessary worry as child may never have episode
Super rare ?30 cases
Discuss with JC?
Sources: Expert list