PTG Depletion Removes Lafora Bodies and Rescues the Fatal Epilepsy of Lafora Disease
2011

PTG Depletion Rescues Lafora Disease

Sample size: 12 publication 10 minutes Evidence: high

Author Information

Author(s): Turnbull Julie, DePaoli-Roach Anna A., Zhao Xiaochu, Cortez Miguel A., Pencea Nela, Tiberia Erica, Piliguian Mark, Roach Peter J., Wang Peixiang, Ackerley Cameron A., Minassian Berge A.

Primary Institution: The Hospital for Sick Children, Toronto, Canada

Hypothesis

Can removing PTG from mice with Lafora disease prevent the formation of polyglucosans and alleviate symptoms?

Conclusion

Removing PTG from mice with Lafora disease leads to a significant reduction in polyglucosans and resolves neurodegeneration and myoclonic epilepsy.

Supporting Evidence

  • PTG depletion resulted in nearly complete disappearance of polyglucosans in the brain.
  • Neurodegeneration and myoclonic epilepsy were resolved in double knockout mice.
  • Double knockout mice exhibited normal lifespan and behavior.
  • Reduction in Lafora bodies was significant across various brain regions.

Takeaway

Scientists found that taking away a specific protein in mice with a severe brain disease made them healthier and stopped their seizures.

Methodology

The study involved breeding laforin-deficient mice with PTG knockout mice to create double knockout mice and assessing the effects on polyglosan formation and neurodegeneration.

Limitations

The study was conducted in mice, and results may not directly translate to humans.

Participant Demographics

Mice used in the study included laforin-deficient and PTG knockout strains.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1371/journal.pgen.1002037

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