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Related Experiment Video

Updated: Apr 16, 2026

Assaying the Kinase Activity of LRRK2 in vitro

Assaying the Kinase Activity of LRRK2 in vitro

Published on: January 18, 2012

Computational analysis of the LRRK2 interactome.

Claudia Manzoni¹, Paul Denny², Ruth C Lovering²

¹School of Pharmacy, University of Reading , Whiteknights, Reading , UK ; Department of Molecular Neuroscience, UCL Institute of Neurology, University College London , Queen Square, London , UK.

|March 5, 2015

Summary

Mutations in Leucine-Rich Repeat Kinase 2 (LRRK2) are a common cause of Parkinson's disease. This study analyzed LRRK2 interactors, revealing roles in transport and cellular organization, potentially impacting Parkinson's and inflammatory bowel disorder research.

Keywords:

GO terms enrichment Interactome LRRK2 Parkinson’s disease Protein–protein interactions

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Last Updated: Apr 16, 2026

Assaying the Kinase Activity of LRRK2 in vitro

Assaying the Kinase Activity of LRRK2 in vitro

Published on: January 18, 2012

Metabolic Labeling of Leucine Rich Repeat Kinases 1 and 2 with Radioactive Phosphate

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Published on: September 18, 2013

Rab10 Phosphorylation Detection by LRRK2 Activity Using SDS-PAGE with a Phosphate-binding Tag

Rab10 Phosphorylation Detection by LRRK2 Activity Using SDS-PAGE with a Phosphate-binding Tag

Published on: December 14, 2017

Area of Science:

Neuroscience
Genetics
Cell Biology

Background:

Leucine-Rich Repeat Kinase 2 (LRRK2) is a key protein linked to Parkinson's disease (PD), with numerous mutations identified.
Genetic studies associate LRRK2 variations with both familial and sporadic forms of PD, as well as inflammatory bowel disorder (IBD).
Despite extensive research, the precise biological function of LRRK2 remains unclear.

Purpose of the Study:

To elucidate the cellular functions of LRRK2 by analyzing its protein interactome.
To identify potential links between LRRK2's biological roles and its association with neurological and inflammatory diseases.

Main Methods:

Utilized BioGRID and IntAct databases to gather a comprehensive list of LRRK2 interacting proteins.
Performed Gene Ontology (GO) term enrichment analysis on the LRRK2 interactome using two independent enrichment portals.
Cross-referenced identified LRRK2 interactors with genetic data linked to Parkinson's disease and inflammatory bowel disorder.

Main Results:

The LRRK2 interactome is significantly associated with cellular processes including transport, organization, vesicle trafficking, and cytoskeleton dynamics.
Analysis revealed that 21 identified LRRK2 interactors are genetically implicated in the risk of developing Parkinson's disease or inflammatory bowel disorder.
These findings provide a functional context for LRRK2 in cellular biology.

Conclusions:

LRRK2 plays a crucial role in fundamental cellular processes such as transport and organization.
The identified interactors and associated cellular functions offer new avenues for investigating LRRK2 pathophysiology in Parkinson's disease and inflammatory bowel disorder.
This research highlights potential therapeutic targets and research directions for LRRK2-related disorders.