Cited by 253Parkinson's Disease Mechanisms and TreatmentsNuclear Receptors and SignalingNeurological disorders and treatments

The role of the LRRK2 gene in Parkinsonism

Open access
Li, Jie-Qiong, Tan, Lan, Yu, Jin-Tai·2014·Molecular Neurodegeneration

Abstract

Parkinson's disease (PD), like many common age-related conditions, has been recognized to have a substantial genetic component. Multiple lines of evidence suggest that Leucine-rich repeat kinase 2 (LRRK2) is a crucial factor to understanding the etiology of PD. LRRK2 is a large, widely expressed, multi-domain and multifunctional protein. LRRK2 mutations are the major cause to inherited and sporadic PD. In this review, we discuss the pathology and clinical features which show diversity and variability of LRRK2-associated PD. In addition, we do a thorough literature review and provide theoretical data for gene counseling. Further, we present the evidence linking LRRK2 to various possible pathogenic mechanism of PD such as α-synuclein, tau, inflammatory response, oxidative stress, mitochondrial dysfunction, synaptic dysfunction as well as autophagy-lysosomal system. Based on the above work, we investigate activities both within GTPase and outside enzymatic regions in order to obtain a potential therapeutic approach to solve the LRRK2 problem.

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Crossref · 10.1186/1750-1326-9-47

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  • PD is characterized by filamentous and oligomeric α-synuclein accumulation and degeneration of dopaminergic neurons in the substantia nigra pars compacta leading to motor impairments.

    “It is characterized by filamentous and oligomeric 𝛂 -synuclein ( 𝛂 -syn) accumulation, and degeneration of dopaminergic neurons in the substantia nigra pars compacta (SNpc) leading to motor impairments (357, 616).”

    From Blood-Brain Barrier: From Physiology to Disease and Back (2019) · cites this paper as [357]

    The Introduction describes loss of dopaminergic neurons in the substantia nigra pars compacta, α-synuclein-positive Lewy inclusions, and motor symptoms of PD. The LRRK2 and α-synuclein section also discusses α-synuclein aggregation. Neither passage specifies filamentous and oligomeric α-synuclein accumulation, so that detail is unsupported by this source. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • The most common LRRK2 mutation, G2019S (gain of function), is associated with 2% of sporadic cases and 6% of familial cases.

    “The most common LRRK2 mutation, G2019S (gain of function), is associated with 2% of sporadic cases and 6% of familial cases (357).”

    From Blood-Brain Barrier: From Physiology to Disease and Back (2019) · cites this paper as [357]

  • LRRK2 (PARK8) gene mutations are the most common genetic cause of both familial and sporadic PD.

    “LRRK2 (PARK8) gene mutations are the most common genetic cause of both familial and sporadic PD.257”

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Authors
Li, J.-Q., Tan, L., & Yu, J.-T.
Affiliations
Qingdao University (CN)
Corresponding author
  • Tan, Lan
  • Yu, Jin-Tai
Venue
Molecular Neurodegeneration
Published
2014-11-12
Volume
9
Issue
1
Pages
47-47
ISSN
1750-1326 (ISSN-L)
OpenAlex
W2145005920
Cited by
249
References
127
Citations by year
2026: 9 · 2025: 18 · 2024: 24 · 2023: 29 · 2022: 27 · 2021: 15 · 2020: 28 · 2019: 30 · 2018: 30 · 2017: 17 · 2016: 12 · 2015: 10
FWCI
1.79
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Molecular Neurodegeneration (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • National Natural Science Foundation of China (81371406, ZR2011HZ001, 81171209, 81471309, ZR2010HQ004)
  • Natural Science Foundation of Shandong Province (ZR2011HZ001, ZR2010HQ004)
Topics
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Nuclear Receptors and Signaling
  • Health Sciences › Medicine › Neurology › Neurological disorders and treatments
Keywords
LRRK2, Parkinson's disease, leucine-rich repeat kinase 2, LRRK2 mutations, alpha-synuclein, tau protein, neuroinflammation, oxidative stress, mitochondrial dysfunction, synaptic dysfunction, autophagy-lysosome pathway, therapeutic target
MeSH terms
Leucine-Rich Repeat Serine-Threonine Protein Kinase-2, Animals, Humans, Protein Serine-Threonine Kinases, Parkinsonian Disorders

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