Juvenile neuronal ceroid-lipofuscinosis: developmental progress after supplementation with polyunsaturated fatty
M J Bennett1, A R Gayton, C D Rittey
1University of Texas Southwestern Medical Center, Department of Pathology, Children's Medical Center of Dallas 75235.
Insights
Dietary polyunsaturated fatty acids (PUFAs) supplementation may stabilize juvenile neuronal ceroid-lipofuscinosis (NCL). Early intervention with PUFAs might halt disease progression in children with NCL.
Area of Science:
- Biochemistry
- Pediatric Neurology
- Nutritional Science
Background:
- Juvenile neuronal ceroid-lipofuscinosis (NCL) is a rare genetic disorder.
- Patients with juvenile NCL exhibit low membrane phospholipid levels.
- Current treatment options for juvenile NCL are limited.
Observation:
- Six patients with juvenile NCL received dietary polyunsaturated fatty acids (PUFAs) supplementation.
- Supplementation duration ranged from 4 years 10 months to over 7 years.
- Annual evaluations assessed intelligence, fine motor ability, vision, and overall development.
Findings:
- Most patients maintained stable mental development during PUFA supplementation.
- Fine motor function and vision remained stable only in the two youngest subjects.
- These preliminary findings suggest a potential disease-modifying effect of PUFAs.
Implications:
- Early PUFA supplementation may arrest the progression of juvenile NCL.
- Further research, including multicenter controlled trials, is warranted.
- Dietary interventions could offer a novel therapeutic strategy for NCL.
Abstract:
Six patients with juvenile neuronal ceroid-lipofuscinosis (NCL) who were demonstrated to have abnormally low levels of membrane phospholipids were treated by dietary supplementation with polyunsaturated fatty acids (PUFAs) for periods ranging from 4 years 10 months to 7 years 3 months. Annual evaluations of intelligence and fine motor ability were undertaken while on supplementation. Mental development remained stable in most subjects throughout this period; fine motor function and vision were stable in the two youngest subjects only. These data suggest that PUFA supplementation may arrest the natural course of juvenile NCL if treatment is started early. A larger, multicenter, controlled trial is warranted.
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