Genetic mutations in Parkinson’s disease: screening of a selected population from North-Eastern Italy
2024

Genetic Mutations in Parkinson's Disease in Northeastern Italy

Sample size: 218 publication 10 minutes Evidence: moderate

Author Information

Author(s): Bonato Giulia, Antonini Angelo, Pistonesi Francesca, Campagnolo Marta, Guerra Andrea, Biundo Roberta, Pilleri Manuela, Bertolin Cinzia, Salviati Leonardo

Primary Institution: University of Padova

Hypothesis

This study aims to define the genetic bases and clinical features of Parkinson's disease in a cohort of patients from Northeastern Italy.

Conclusion

Applying simple clinical criteria for genetic testing allows for better identification of patients with monogenic Parkinson's disease and improves resource allocation.

Supporting Evidence

  • Monogenic Parkinson's disease was diagnosed in 43 patients, representing 20% of the cohort.
  • GBA1 mutations were found in 12.8% of the cohort, indicating a high prevalence.
  • Patients with GBA1 mutations showed more severe symptoms and complications compared to those without.
  • The selection criterion of age at onset under 55 years was a significant predictor of a positive genetic test.
  • Patients with GBA1 mutations had a higher burden of motor and non-motor complications.

Takeaway

Researchers looked at people with Parkinson's disease in Northeastern Italy to find out if they had certain genetic changes that could help explain their condition.

Methodology

An NGS multigenic panel was used to test 218 Parkinson's disease patients based on age at onset, family history, and atypical features.

Potential Biases

Potential bias in patient selection and genetic interpretation.

Limitations

The study is limited to a specific geographical area and may not represent the broader population.

Participant Demographics

The cohort included 132 males (60.5%) and 86 females (39.4%), with a mean age at motor onset of 50.8 years.

Statistical Information

P-Value

0.0037

Confidence Interval

95% CI 1.5–9.3

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1007/s10072-024-07690-7

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