An evaluative review of the evidence supporting idiopathic basal ganglia calcification for inclusion in the compassionate allowances intitiative

Purpose of reviewThere is growing interest in disorders involved in ectopic mineralization. Fahr disease or idiopathic basal ganglia calcification can serve as a model for ectopic mineralization in the basal ganglia, which is fairly common in the general population. In this review, we will focus on causative gene mutations and corresponding pathophysiologic pathways in Fahr disease.Recent findingsPatients with Fahr disease have a variability of symptoms, such as movement disorders, psychiatric signs, and cognitive impairment, but can also be asymptomatic. Fahr disease is mostly autosomal dominant inherited, and there are mutations found in 4 causative genes. Mutations in SLC20A2 and XPR1 lead to a disrupted phosphate metabolism involving brain-specific inorganic phosphate transporters. Mutations in PDGFB and PDGFRB are associated with disrupted blood-brain barrier integrity and dysfunctional pericyte maintenance. In addition, the MYORG gene has recently been discovered to be involved in the autosomal recessive inheritance of Fahr.SummaryKnowledge about the mutations and corresponding pathways may expose therapeutic opportunities for patients with Fahr disease and vascular calcifications in the brain in general.

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Mechanisms of calcification in Fahr disease and exposure of potential therapeutic targets

Peters

Brouwer

Bartstra

et al. 2020

Neur Clin Pract

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An evaluative review of the evidence supporting idiopathic basal ganglia calcification for inclusion in the compassionate allowances intitiative

Cited by 1 publication

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Mechanisms of calcification in Fahr disease and exposure of potential therapeutic targets

Mechanisms of calcification in Fahr disease and exposure of potential therapeutic targets

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