Infantile cerebellar-retinal degeneration

Definition:

Infantile cerebellar-retinal degeneration (ICRD) is a disorder characterized by profound psychomotor retardation and progressive visual loss, including optic nerve and retinal atrophy. Recently, missense mutations in a TCA enzyme, mitochondrial aconitase (ACO2), catalysing interconversion of citrate into isocitrate, have been reported in a sibship with infantile-onset encephalopathy, optic nerve involvement, and cerebellar atrophy.

References:

[1]. Metodi Dimitrov Metodiev, et al. Mutations in the tricarboxylic acid cycle enzyme, aconitase 2, cause either isolated or syndromic optic neuropathy with encephalopathy and cerebellar atrophy. J Med Genet. 2014 Dec;51(12):834-8. [Content Brief]

[2]. Ronen Spiegel, et al. Infantile cerebellar-retinal degeneration associated with a mutation in mitochondrial aconitase, ACO2. Am J Hum Genet. 2012 Mar 9;90(3):518-23. [Content Brief]

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