Rebecca Foulger commented on gene: HLCS: As discussed with members of the GMS Neurology Specialist Test Group on the Webex call 22nd November 2019 for Clinical Indication R59 Early onset or syndromic epilepsy: Agreed that there is insufficient evidence to rate this gene Green. Better tested through the metabolic panel. Demoted from Green to Amber.
Rebecca Foulger commented on gene: HLCS: PMID:27114915 (Donti et al., 2016) describe a cohort of 5 patients. Case 5 had focal seizures age 5 months which have continued since. He has compound het variants in HLCS (N570K and c.1519+5G>A). The authors note that the phenotypic spectrum of HCLS is broad, from intractable seizures and ID to normal growth and development.
Louise Daugherty Added comment: Comment on list classification: changed rating from Red to Green as suggested by external reviewer. . Publications support gene-disease association and rating of this gene to Green.