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mTOR independent regulation of macroautophagy by Leucine Rich Repeat Kinase 2 via Beclin-1

Manzoni, C; Mamais, A; Roosen, DA; Dihanich, S; Soutar, MPM; Plun-Favreau, H; Bandopadhyay, R; ... Lewis, PA; + view all (2016) mTOR independent regulation of macroautophagy by Leucine Rich Repeat Kinase 2 via Beclin-1. Scientific Reports , 6 , Article 35106. 10.1038/srep35106. Green open access

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Leucine rich repeat kinase 2 is a complex enzyme with both kinase and GTPase activities, closely linked to the pathogenesis of several human disorders including Parkinson’s disease, Crohn’s disease, leprosy and cancer. LRRK2 has been implicated in numerous cellular processes; however its physiological function remains unclear. Recent reports suggest that LRRK2 can act to regulate the cellular catabolic process of macroautophagy, although the precise mechanism whereby this occurs has not been identified. To investigate the signalling events through which LRRK2 acts to influence macroautophagy, the mammalian target of rapamycin (mTOR)/Unc-51-like kinase 1 (ULK1) and Beclin-1/phosphatidylinositol 3-kinase (PI3K) pathways were evaluated in astrocytic cell models in the presence and absence of LRRK2 kinase inhibitors. Chemical inhibition of LRRK2 kinase activity resulted in the stimulation of macroautophagy in a non-canonical fashion, independent of mTOR and ULK1, but dependent upon the activation of Beclin 1-containing class III PI3-kinase.

Type: Article
Title: mTOR independent regulation of macroautophagy by Leucine Rich Repeat Kinase 2 via Beclin-1
Open access status: An open access version is available from UCL Discovery
DOI: 10.1038/srep35106
Publisher version: http://dx.doi.org/10.1038/srep35106
Language: English
Additional information: This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0). The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
URI: http://discovery.ucl.ac.uk/id/eprint/1520974
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