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BabyScreen+ newborn screening v0.2036 NAXD Zornitza Stark Marked gene: NAXD as ready
BabyScreen+ newborn screening v0.2036 NAXD Zornitza Stark Gene: naxd has been classified as Amber List (Moderate Evidence).
BabyScreen+ newborn screening v0.2036 NAXD Zornitza Stark Classified gene: NAXD as Amber List (moderate evidence)
BabyScreen+ newborn screening v0.2036 NAXD Zornitza Stark Gene: naxd has been classified as Amber List (Moderate Evidence).
BabyScreen+ newborn screening v0.2035 NAXD Zornitza Stark gene: NAXD was added
gene: NAXD was added to Baby Screen+ newborn screening. Sources: Expert list
treatable, metabolic tags were added to gene: NAXD.
Mode of inheritance for gene: NAXD was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: NAXD were set to 30576410; 31755961; 32462209; 35231119
Phenotypes for gene: NAXD were set to Encephalopathy, progressive, early-onset, with brain edema and/or leukoencephalopathy, 2 MIM#618321
Review for gene: NAXD was set to AMBER
Added comment: Seven unrelated cases, episodes of fever/infection prior to deterioration reported. Variable phenotype: one patient reported with neurodevelopmental disorder, autism spectrum disorder and a muscular-dystrophy-like myopathy; another with progressive encephalopathy with brain oedema. Patient cells and muscle biopsies also showed impaired mitochondrial function, higher sensitivity to metabolic stress, and decreased mitochondrial reactive oxygen species production. In vitro functional assays also conducted.

Treatment: niacin

However, only two cases reported. Treatment not established.
Sources: Expert list