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Assaying the Kinase Activity of LRRK2 in vitro
06:09

Assaying the Kinase Activity of LRRK2 in vitro

Published on: January 18, 2012

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L'RRK de Triomphe: a solution for LRRK2 GTPase activity?

Jonathon Nixon-Abell1,2, Daniel C Berwick3, Kirsten Harvey1

  • 1Department of Pharmacology, UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, U.K.

Biochemical Society Transactions
|December 4, 2016
PubMed

Insights

Leucine-rich repeat kinase 2 (LRRK2) is key in Parkinson's disease (PD) pathogenesis. Pathogenic mutations may cause PD by increasing LRRK2 GTPase activity, with a protective variant aiding research.

Area of Science:

  • Neuroscience
  • Molecular Biology
  • Genetics

Background:

  • Leucine-rich repeat kinase 2 (LRRK2) is implicated in Parkinson's disease (PD) pathogenesis.
  • The precise function of LRRK2 and the impact of mutations remain unclear.
  • LRRK2 mutations are a significant genetic factor in PD.

Purpose of the Study:

  • To elucidate the function of LRRK2, particularly its GTPase activity.
  • To understand how pathogenic mutations affect LRRK2 function in PD.
  • To investigate the role of the R1398H variant in LRRK2 function.

Main Methods:

  • Analysis of LRRK2 GTPase activity in relation to pathogenic mutations.
  • Investigating the effect of mutations in the Ras and Roc domains.
  • Characterization of the protective R1398H variant.

Main Results:

  • A consensus is emerging regarding the effect of pathogenic mutations on LRRK2 GTPase activity.
  • GTP-bound LRRK2 is identified as pathogenic.
  • LRRK2 functions as a GTPase activated by dimerisation.
  • The R1398H variant serves as a control for pathogenic mutations.

Conclusions:

  • LRRK2 GTPase activity is central to its role in PD.
  • Understanding LRRK2 function is crucial for developing PD treatments.
  • The R1398H variant provides a valuable tool for LRRK2 research.
Keywords:
GTPasesParkinson's diseaseWnt proteinsleucine-rich repeat kinaseneurodegeneration

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