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a-synuclein (SNCA) but not dynamin 3 (DNM3) influences age at onset of leucine-rich repeat kinase 2 (LRRK2) Parkinson's disease in Spain

Abstract: Objectives: A recent study showed that Arab-Berbers GG homozygous at rs2421947(C/G) in the dynamin 3 gene (DNM3) had 12.5 years earlier age at onset of leucine-rich repeat kinase 2 (LRRK2)-associated Parkinson?s disease (PD) (L2PD). We explored whether this variant modulates the L2PD age at onset in Spain. Methods: We genotyped rs2421947 in 329 participants (210 L2PD patients, 119 L2PD nonmanifesting p.G2019S carriers), and marker rs356219 (A/G) in the a-synuclein gene (SNCA). Results: By Kaplan Meier and Cox regression analyses, we did not find an association of the DNM3 polymorphism with L2PD age at onset. However, we found an association of the SNCA marker with up to an 11 years difference in the L2PD median age at onset (58 years for GG carriers vs 69 years for AA). Conclusion: Our results indicate that SNCA rs356219 but not dynamin 3 DNM3 rs2421947 modifies the penetrance of the mutation G2019S in the Spanish population by influencing the L2PD age at onset. These findings suggest that different genetic modifiers may influence the L2PD age at onset in different populations.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Fuente: Mov Disord. 2018 Apr;33(4):637-641

Editorial: John Wiley and Sons Inc.

 Año de publicación: 2018

Nº de páginas: 5

Tipo de publicación: Artículo de Revista

 DOI: 10.1002/mds.27295

ISSN: 0885-3185,1531-8257

 Proyecto español: SAF2015-73508-JIN

Url de la publicación: https://www.doi.org/10.1002/mds.27295

Autoría

FERNÁNDEZ SANTIAGO, RUBÉN

GARRIDO, ALICIA

ISABEL GONZALEZ ARAMBURU

SIERRA, MARÍA

FERNÁNDEZ, MANEL

VALLDEORIOLA, FRANCESC

MUÑOZ, ESTEBAN

COMPTA, YAROSLAU

MARTÍ, MARÍA JOSÉ

RÍOS, JOSÉ

TOLOSA, EDUARDO

EZQUERRA, MARIO

BARCELONA LRRK2 STUDY GROUP