Cited by 111Parkinson's Disease Mechanisms and TreatmentsNuclear Receptors and SignalingProtein Kinase Regulation and GTPase Signaling

Regulation of myeloid cell phagocytosis by LRRK2 via WAVE2 complex stabilization is altered in Parkinson’s disease

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Kim, Kwang Soo, Marcogliese, Paul C., Yang, Jungwoo, Callaghan, Steve M., Resende, Virginia, Abdel-Messih, Elizabeth, Marras, Connie, Visanji, Naomi P. +15 more·2018·Proceedings of the National Academy of Sciences

Abstract

Significance: Determining the role for LRRK2, the most common Parkinson’s disease (PD) gene in neurons has been a challenge for the field. Combining interaction data from an unbiased screen in flies and a conserved physical relationship, we show that LRRK2 binds and phosphorylates the actin remodeling protein WAVE2 specifically in myeloid cells. Furthermore, we demonstrate that this relationship is important for WAVE2 stability and the dynamics of the phagocytic response. Finally, we provide evidence that in both mammalian cocultures, flies, and a murine model of PD that LRRK2s action on WAVE2 may be important for neuronal survival. This work supports the role for LRRK2 in immune-signaling and the role for the immune system in the pathogenesis and progression of PD.

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Crossref · 10.1073/pnas.1718946115

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  • The WAVE regulatory complex regulates actin cytoskeleton organization and participates in cytokinesis, migration, endocytosis, and phagocytosis.

    “This complex regulates actin cytoskeleton organization and participates in cytokinesis, migration, endocytosis, and phagocytosis (14, 15).”

    From Deletion of <i>Abi3</i> gene locus exacerbates neuropathological features of Alzheimer’s disease in a mouse model of Aβ amyloidosis (2021) · cites this paper as [14]

    The paper’s introduction says WAVE proteins promote actin nucleation and links actin remodeling to motility and phagocytosis; the Discussion also connects WAVE2 complex stabilization to actin remodeling. Our copy does not attribute cytokinesis or endocytosis to the WAVE complex. The endocytosis mention found in the references concerns LRRK2, not WAVE. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • An LRRK2 kinase inhibitor or an ARP2/3 inhibitor prevents microglial activation and neurotoxicity in vitro, suggesting the involvement of the LRRK2-WAVE2 pathway in microglia in PD pathogenesis.

    “An LRRK2 kinase inhibitor or an ARP2/3 inhibitor prevents microglial activation and neurotoxicity in vitro169,170, suggesting the involvement of the LRRK2-WAVE2 pathway in microglia in PD pathogenesis.”

    From The WAVE complex in developmental and adulthood brain disorders (2025) · cites this paper as [169]

    The Results report that LRRK2 kinase inhibitors suppressed bead engulfment by microglia, and that the ARP2/3 inhibitor CK-869 reduced dopaminergic neuronal loss in microglia–neuron cocultures. They do not show that LRRK2 kinase inhibition prevented neurotoxicity or directly measure prevention of microglial activation by either inhibitor. The Discussion proposes a role for the LRRK2–WAVE2 pathway in PD, consistent with the sentence’s hedged implication. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • LRRK2 binds and phosphorylates mouse WAVE2 at Thr470 (Thr471 in human WAVE2), stabilizing and preventing the proteasomal degradation of WAVE2, whereas LRRK2 does not interact with WAVE1.

    “LRRK2 binds and phosphorylates mouse WAVE2 at Thr470 (Thr471 in human WAVE2, Fig. 3b), stabilizing and preventing the proteasomal degradation of WAVE2, whereas LRRK2 does not interact with WAVE1169.”

    From The WAVE complex in developmental and adulthood brain disorders (2025) · cites this paper as [169]

    The opening summary states that LRRK2 binds and phosphorylates Wave2 at Thr470, stabilizing it against proteasomal degradation. The Discussion says Wave1 does not form a complex with Lrrk2 in bone marrow-derived macrophages. Our copy does not identify Thr471 as the corresponding site in human WAVE2, so that parenthetical is not supported by this source. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • Macrophages or microglia isolated from PD patients or LRRK2-G2019S mice display increased phosphorylation at Thr470 on WAVE2 and enhanced phagocytic responses, but LRRK2 deletion causes the opposite effects.

    “Macrophages or microglia isolated from PD patients or LRRK2-G2019S mice display increased phosphorylation at Thr470 on WAVE2 and enhanced phagocytic responses, but LRRK2 deletion causes the opposite effects.”

    From The WAVE complex in developmental and adulthood brain disorders (2025) · cites this paper as [169]

    The Results report increased phagocytosis in macrophages from LRRK2-G2019S PD patients and in microglia from G2019S mice, with reduced phagocytosis after Lrrk2 deletion. They also identify Thr470 as a site LRRK2 can phosphorylate, but the reported cellular measurements concern overall WAVE2 threonine phosphorylation in mouse macrophages; they do not establish increased Thr470 phosphorylation in the patient macrophages or mouse microglia named in the claim. The indexed passages provide section labels but no page numbers. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • WAVE2 levels are also reduced in primary microglia and bone marrow-derived macrophages from LRRK2 knockout mice.

    “WAVE2 levels are also reduced in primary microglia and bone marrow-derived macrophages from LRRK2 KO mice.”

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Authors
Kim, K. S., Marcogliese, P. C., Yang, J., Callaghan, S. M., Resende, V., Abdel-Messih, E., Marras, C., Visanji, N. P., Huang, J., Schlossmacher, M. G., Trinkle-Mulcahy, L., Slack, R. S., Lang, A. E., Canadian Lrrk2 in Inflammation Team (CLINT), Park, D. S., Brown, E., Gibbings, D., Hayley, S., Park, D., Philpott, D. C., Rioux, J. D., Schlossmacher, M., & Schurr, E.
Affiliations
  • University of Ottawa (CA)
  • Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON K1H 8M5, Canada;
  • University Health Network (CA)
  • University of Toronto (CA)
  • Brain and Mind Research Institute, University of Ottawa, Ottawa, ON K1H 8M5, Canada;
Venue
Proceedings of the National Academy of Sciences
Published
2018-05-14
Volume
115
Issue
22
Pages
E5164-E5173
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2803478714
Cited by
111
References
63
Citations by year
2026: 5 · 2025: 10 · 2024: 12 · 2023: 10 · 2022: 23 · 2021: 15 · 2020: 16 · 2019: 15 · 2018: 5
FWCI
8.66
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
Gouvernement du Canada | Canadian Institutes of Health Research (148402)
Topics
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Nuclear Receptors and Signaling
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
Keywords
LRRK2, Parkinson's disease, WAVE2, myeloid cells, phagocytosis, actin cytoskeleton remodeling, protein phosphorylation, protein stability, immune signaling, neuronal survival
MeSH terms
Leucine-Rich Repeat Serine-Threonine Protein Kinase-2, Animals, Cell Line, Drosophila, Humans, Parkinson Disease, Signal Transduction, Microglia, Myeloid Cells, Wiskott-Aldrich Syndrome Protein Family, Mice, Cytophagocytosis

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