Researchers developed and applied such assays to measure the levels of leucine-rich repeat kinase 2 as well as the phosphorylation of LRRK2 itself or one of its substrates, Rab10.
[Scientific Reports]
7753456 Z93MWWGR items 1 apa 0 default asc 1 163801 https://www.stemcellsciencenews.com/wp-content/plugins/zotpress/
%7B%22status%22%3A%22success%22%2C%22updateneeded%22%3Afalse%2C%22instance%22%3A%22zotpress-4d9f6e9a8c245f8be7ad238840c1590e%22%2C%22meta%22%3A%7B%22request_last%22%3A0%2C%22request_next%22%3A0%2C%22used_cache%22%3Atrue%7D%2C%22data%22%3A%5B%7B%22key%22%3A%22Z93MWWGR%22%2C%22library%22%3A%7B%22id%22%3A7753456%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Wang%20et%20al.%22%2C%22parsedDate%22%3A%222021-06-18%22%2C%22numChildren%22%3A0%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20padding-left%3A%201em%3B%20text-indent%3A-1em%3B%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%3EWang%2C%20X.%2C%20Negrou%2C%20E.%2C%20Maloney%2C%20M.%20T.%2C%20Bondar%2C%20V.%20V.%2C%20Andrews%2C%20S.%20V.%2C%20Montalban%2C%20M.%2C%20Llapashtica%2C%20C.%2C%20Maciuca%2C%20R.%2C%20Nguyen%2C%20H.%2C%20Solanoy%2C%20H.%2C%20Arguello%2C%20A.%2C%20Przybyla%2C%20L.%2C%20Moerke%2C%20N.%20J.%2C%20Huntwork-Rodriguez%2C%20S.%2C%20%26amp%3B%20Henry%2C%20A.%20G.%20%282021%29.%20Understanding%20LRRK2%20kinase%20activity%20in%20preclinical%20models%20and%20human%20subjects%20through%20quantitative%20analysis%20of%20LRRK2%20and%20pT73%20Rab10.%20%3Ci%3EScientific%20Reports%3C%5C%2Fi%3E%2C%20%3Ci%3E11%3C%5C%2Fi%3E%281%29%2C%2012900.%20%3Ca%20href%3D%27https%3A%5C%2F%5C%2Fdoi.org%5C%2F10.1038%5C%2Fs41598-021-91943-4%27%3Ehttps%3A%5C%2F%5C%2Fdoi.org%5C%2F10.1038%5C%2Fs41598-021-91943-4%3C%5C%2Fa%3E%20%3Ca%20title%3D%27Cite%20in%20RIS%20Format%27%20class%3D%27zp-CiteRIS%27%20href%3D%27https%3A%5C%2F%5C%2Fwww.stemcellsciencenews.com%5C%2Fwp-content%5C%2Fplugins%5C%2Fzotpress%5C%2Flib%5C%2Frequest%5C%2Frequest.cite.php%3Fapi_user_id%3D7753456%26amp%3Bitem_key%3DZ93MWWGR%27%3ECite%3C%5C%2Fa%3E%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Understanding%20LRRK2%20kinase%20activity%20in%20preclinical%20models%20and%20human%20subjects%20through%20quantitative%20analysis%20of%20LRRK2%20and%20pT73%20Rab10%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Xiang%22%2C%22lastName%22%3A%22Wang%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Elvira%22%2C%22lastName%22%3A%22Negrou%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Michael%20T.%22%2C%22lastName%22%3A%22Maloney%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Vitaliy%20V.%22%2C%22lastName%22%3A%22Bondar%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Shan%20V.%22%2C%22lastName%22%3A%22Andrews%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Manuel%22%2C%22lastName%22%3A%22Montalban%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Ceyda%22%2C%22lastName%22%3A%22Llapashtica%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Romeo%22%2C%22lastName%22%3A%22Maciuca%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Hoang%22%2C%22lastName%22%3A%22Nguyen%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Hilda%22%2C%22lastName%22%3A%22Solanoy%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Annie%22%2C%22lastName%22%3A%22Arguello%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Laralynne%22%2C%22lastName%22%3A%22Przybyla%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Nathan%20J.%22%2C%22lastName%22%3A%22Moerke%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Sarah%22%2C%22lastName%22%3A%22Huntwork-Rodriguez%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Anastasia%20G.%22%2C%22lastName%22%3A%22Henry%22%7D%5D%2C%22abstractNote%22%3A%22Variants%20in%20the%20leucine-rich%20repeat%20kinase%202%20%28LRRK2%29%20gene%20are%20associated%20with%20increased%20risk%20for%20familial%20and%20sporadic%20Parkinson%5Cu2019s%20disease%20%28PD%29.%20Pathogenic%20variants%20in%20LRRK2%2C%20including%20the%20common%20variant%20G2019S%2C%20result%20in%20increased%20LRRK2%20kinase%20activity%2C%20supporting%20the%20therapeutic%20potential%20of%20LRRK2%20kinase%20inhibitors%20for%20PD.%20To%20better%20understand%20the%20role%20of%20LRRK2%20in%20disease%20and%20to%20support%20the%20clinical%20development%20of%20LRRK2%20inhibitors%2C%20quantitative%20and%20high-throughput%20assays%20to%20measure%20LRRK2%20levels%20and%20activity%20are%20needed.%20We%20developed%20and%20applied%20such%20assays%20to%20measure%20the%20levels%20of%20LRRK2%20as%20well%20as%20the%20phosphorylation%20of%20LRRK2%20itself%20or%20one%20of%20its%20substrates%2C%20Rab10%20%28pT73%20Rab10%29.%20We%20observed%20increased%20LRRK2%20activity%20in%20various%20cellular%20models%20of%20disease%2C%20including%20iPSC-derived%20microglia%2C%20as%20well%20as%20in%20human%20subjects%20carrying%20the%20disease-linked%20variant%20LRRK2%20G2019S.%20Capitalizing%20on%20the%20high-throughput%20and%20sensitive%20nature%20of%20these%20assays%2C%20we%20detected%20a%20significant%20reduction%20in%20LRRK2%20activity%20in%20subjects%20carrying%20missense%20variants%20in%20LRRK2%20associated%20with%20reduced%20disease%20risk.%20Finally%2C%20we%20optimized%20these%20assays%20to%20enable%20analysis%20of%20LRRK2%20activity%20following%20inhibition%20in%20human%20peripheral%20blood%20mononuclear%20cells%20%28PBMCs%29%20and%20whole%20blood%2C%20demonstrating%20their%20potential%20utility%20as%20biomarkers%20to%20assess%20changes%20in%20LRRK2%20expression%20and%20activity%20in%20the%20clinic.%22%2C%22date%22%3A%222021-06-18%22%2C%22language%22%3A%22en%22%2C%22DOI%22%3A%2210.1038%5C%2Fs41598-021-91943-4%22%2C%22ISSN%22%3A%222045-2322%22%2C%22url%22%3A%22https%3A%5C%2F%5C%2Fwww.nature.com%5C%2Farticles%5C%2Fs41598-021-91943-4%22%2C%22deleted%22%3A1%2C%22collections%22%3A%5B%5D%2C%22dateModified%22%3A%222021-06-23T16%3A45%3A34Z%22%7D%7D%5D%7D
Wang, X., Negrou, E., Maloney, M. T., Bondar, V. V., Andrews, S. V., Montalban, M., Llapashtica, C., Maciuca, R., Nguyen, H., Solanoy, H., Arguello, A., Przybyla, L., Moerke, N. J., Huntwork-Rodriguez, S., & Henry, A. G. (2021). Understanding LRRK2 kinase activity in preclinical models and human subjects through quantitative analysis of LRRK2 and pT73 Rab10. Scientific Reports, 11(1), 12900. https://doi.org/10.1038/s41598-021-91943-4 Cite