Cellular functions of LRRK2 implicate vesicular trafficking pathways in Parkinson's disease

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Updated: Mar 11, 2026

Assaying the Kinase Activity of LRRK2 in vitro
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Assaying the Kinase Activity of LRRK2 in vitro

Published on: January 18, 2012

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Mark R Cookson1

  • 1Cell Biology and Gene Expression Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Building 35, Room 1A116, MSC3707, 35, Convent Drive, Bethesda, MD 20892-3707, USA.

Biochemical Society Transactions
|December 4, 2016
PubMed

Insights

Mutations in the leucine-rich repeat kinase 2 (LRRK2) gene impact Parkinson's disease by altering cell transport. This review examines LRRK2's controversial role in cellular compartments and the autophagy-lysosome pathway.

Area of Science:

  • Neuroscience
  • Cell Biology
  • Genetics

Background:

  • Mutations in the leucine-rich repeat kinase 2 (LRRK2) gene are linked to Parkinson's disease.
  • LRRK2's function is associated with intracellular trafficking pathways.
  • Rab GTPases are implicated in directing LRRK2 to specific cellular compartments.

Purpose of the Study:

  • To discuss the current understanding of LRRK2's role in intracellular trafficking.
  • To evaluate evidence supporting and challenging the model of LRRK2 localization and function.
  • To highlight controversial and unclear aspects of LRRK2 function.

Main Methods:

  • Literature review and synthesis of existing research on LRRK2.
  • Analysis of studies investigating LRRK2 interactions with membranes and Rab GTPases.
  • Examination of LRRK2's impact on the autophagy-lysosome pathway.

Main Results:

  • LRRK2 interacts with various cellular membranes.
  • Rab GTPases may regulate LRRK2 recruitment to specific locations.
  • LRRK2 influences the autophagy-lysosome pathway, but mechanisms are debated.

Conclusions:

  • The precise mechanisms and controversies surrounding LRRK2's cellular localization and function require further investigation.
  • Understanding LRRK2's role in trafficking and autophagy is crucial for Parkinson's disease research.
Keywords:
GolgiRab GTPasesautophagyhuman geneticskinasevesicles

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