A novel mutation of the CLN8 gene: is there a Mediterranean phenotype?

Pediatr Neurol

Department of Pediatrics, Carmel Medical Center, and Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel.

Published: June 2007

We report the first known case in Israel of a patient with an early childhood onset of ceroid-lipofuscinosis who is homozygous to a mutation of the CLN8 gene. This patient further expands the clinical varieties of CLN8, initially reported in Finland and Turkey and recently in Italy. The ultrastructural pathology of a skin biopsy specimen revealed abundant typical fingerprint profiles, but rare granular osmiophilic bodies and curvilinear structures. Sequencing of exon 3 of the CLN8 gene revealed a novel C>G missense mutation at a conserved amino acid glutamine 256 to glutamic acid. Our findings further raise the possibility of the existence of a Mediterranean CLN8 variant.

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http://dx.doi.org/10.1016/j.pediatrneurol.2007.01.008DOI Listing

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