Ribosomal protein s15 phosphorylation mediates LRRK2 neurodegeneration in parkinson's disease

Ian Martin, Jungwoo Wren Kim, Byoung Dae Lee, Ho Chul Kang, Jin Chong Xu, Hao Jia, Jeannette Stankowski, Min Sik Kim, Jun Zhong, Manoj Kumar, Shaida A. Andrabi, Yulan Xiong, Dennis W. Dickson, Zbigniew K. Wszolek, Akhilesh Pandey, Ted M. Dawson, Valina L. Dawson

Research output: Contribution to journalArticle

121 Citations (Scopus)

Abstract

Mutations in leucine-rich repeat kinase 2 (LRRK2) are a common cause of familial and sporadic Parkinson's disease (PD). Elevated LRRK2 kinase activity and neurodegeneration are linked, but the phosphosubstrate that connects LRRK2 kinase activity to neurodegeneration is not known. Here, we show that ribosomal protein s15 is a key pathogenic LRRK2 substrate in Drosophila and human neuron PD models. Phosphodeficient s15 carrying a threonine 136 to alanine substitution rescues dopamine neuron degeneration and age-related locomotor deficits in G2019S LRRK2 transgenic Drosophila and substantially reduces G2019S LRRK2-mediated neurite loss and cell death in human dopamine and cortical neurons. Remarkably, pathogenic LRRK2 stimulates both cap-dependent and cap-independent mRNA translation and induces a bulk increase in protein synthesis in Drosophila, which can be prevented by phosphodeficient T136A s15. These results reveal a novel mechanism of PD pathogenesis linked to elevated LRRK2 kinase activity and aberrant protein synthesis in vivo.

Original languageEnglish (US)
Pages (from-to)472-485
Number of pages14
JournalCell
Volume157
Issue number2
DOIs
StatePublished - Apr 10 2014
Externally publishedYes

Fingerprint

Phosphorylation
Leucine
Parkinson Disease
Phosphotransferases
Neurons
Dopaminergic Neurons
Dopamine
ribosomal protein S15
Nerve Degeneration
Protein Biosynthesis
Neurites
Cell death
Threonine
Alanine
Drosophila
Proteins
Cell Death
Substitution reactions
Messenger RNA
Mutation

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Martin, I., Kim, J. W., Lee, B. D., Kang, H. C., Xu, J. C., Jia, H., ... Dawson, V. L. (2014). Ribosomal protein s15 phosphorylation mediates LRRK2 neurodegeneration in parkinson's disease. Cell, 157(2), 472-485. https://doi.org/10.1016/j.cell.2014.01.064

Ribosomal protein s15 phosphorylation mediates LRRK2 neurodegeneration in parkinson's disease. / Martin, Ian; Kim, Jungwoo Wren; Lee, Byoung Dae; Kang, Ho Chul; Xu, Jin Chong; Jia, Hao; Stankowski, Jeannette; Kim, Min Sik; Zhong, Jun; Kumar, Manoj; Andrabi, Shaida A.; Xiong, Yulan; Dickson, Dennis W.; Wszolek, Zbigniew K.; Pandey, Akhilesh; Dawson, Ted M.; Dawson, Valina L.

In: Cell, Vol. 157, No. 2, 10.04.2014, p. 472-485.

Research output: Contribution to journalArticle

Martin, I, Kim, JW, Lee, BD, Kang, HC, Xu, JC, Jia, H, Stankowski, J, Kim, MS, Zhong, J, Kumar, M, Andrabi, SA, Xiong, Y, Dickson, DW, Wszolek, ZK, Pandey, A, Dawson, TM & Dawson, VL 2014, 'Ribosomal protein s15 phosphorylation mediates LRRK2 neurodegeneration in parkinson's disease', Cell, vol. 157, no. 2, pp. 472-485. https://doi.org/10.1016/j.cell.2014.01.064
Martin, Ian ; Kim, Jungwoo Wren ; Lee, Byoung Dae ; Kang, Ho Chul ; Xu, Jin Chong ; Jia, Hao ; Stankowski, Jeannette ; Kim, Min Sik ; Zhong, Jun ; Kumar, Manoj ; Andrabi, Shaida A. ; Xiong, Yulan ; Dickson, Dennis W. ; Wszolek, Zbigniew K. ; Pandey, Akhilesh ; Dawson, Ted M. ; Dawson, Valina L. / Ribosomal protein s15 phosphorylation mediates LRRK2 neurodegeneration in parkinson's disease. In: Cell. 2014 ; Vol. 157, No. 2. pp. 472-485.
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