A PTG Variant Contributes to a Milder Phenotype in Lafora Disease
Author Information
Author(s): Guerrero Rosa, Vernia Santiago, Sanz Raúl, Abreu-Rodríguez Irene, Almaraz Carmen, García-Hoyos María, Michelucci Roberto, Tassinari Carlo Alberto, Riguzzi Patrizia, Nobile Carlo, Sanz Pascual, Serratosa José M., Gómez-Garre Pilar
Primary Institution: Instituto Investigación Sanitaria Fundación Jiménez Díaz, Madrid, Spain
Hypothesis
Can modifier genes contribute to the clinical course of Lafora disease patients with EPM2A or EPM2B mutations?
Conclusion
Variations in the PTG gene may influence the progression of Lafora disease, suggesting it as a potential target for treatment.
Supporting Evidence
- The PPP1R3C gene may be associated with a slower progression of Lafora disease.
- A new mutation (N249S) in the PPP1R3C gene was identified in a patient with a milder disease course.
- The N249S mutation reduces the interaction of PTG with glycogen phosphorylase and laforin.
Takeaway
Some people with Lafora disease have a gene change that makes their symptoms less severe, which could help doctors find new treatments.
Methodology
The study involved genotyping and sequencing analysis of the PPP1R3C gene in Lafora disease patients to identify associations with disease progression.
Limitations
The study focused on a limited number of patients and may not represent all cases of Lafora disease.
Participant Demographics
The study included 23 patients from 10 families diagnosed with Lafora disease.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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