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Holmes G, Ferguson SR, Lewis PA, Echeverri K. LRRK2 kinase activity is necessary for development and regeneration in Nematostella vectensis. Neural Dev 2024; 19:16. [PMID: 39118162 PMCID: PMC11308222 DOI: 10.1186/s13064-024-00193-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Accepted: 07/23/2024] [Indexed: 08/10/2024] Open
Abstract
BACKGROUND The starlet sea anemone, Nematostella vectensis, is an emerging model organism with a high regenerative capacity, which was recently found to possess an orthologue to the human Leucine Rich Repeat Kinase 2 (LRRK2) gene. Mutations in this gene are the most common cause of inherited Parkinson's Disease (PD), highlighting the importance of understanding its function. Despite two decades of research, however, the function of LRRK2 is not well established. METHODS To investigate the function of LRRKs in Nematostella vectensis, we applied small molecule inhibitors targeting the kinase activity of LRRK2 to examine its function in development, homeostasis and regeneration in Nematostella vectensis. RESULTS In vivo analyses inhibiting the kinase function of this enzyme demonstrated a role of nvLRRK2 in development and regeneration of N. vectensis. These findings implicate a developmental role of LRRK2 in Nematostella, adding to the expanding knowledge of its physiological function. CONCLUSIONS Our work introduces a new model organism with which to study LRRK biology. We report that LRRK kinase activity is necessary for the development and regeneration of Nematostella. Given the short generation time, genetic trackability and in vivo imaging capabilities, this work introduces Nematostella vectensis as a new model in which to study genes linked to neurodegenerative diseases such as Parkinson's.
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Affiliation(s)
- Grace Holmes
- Royal Veterinary College, University of London, Camden, London, NW1 0TU, UK
| | - Sophie R Ferguson
- Marine Biological Laboratory, Eugene Bell Center for Regenerative Biology and Tissue Engineering, Woods Hole, MA, 02543, USA
| | - Patrick Alfryn Lewis
- Royal Veterinary College, University of London, Camden, London, NW1 0TU, UK.
- UCL Queen Square Institute of Neurology, University of London, London, WC1N 3BG, UK.
| | - Karen Echeverri
- Marine Biological Laboratory, Eugene Bell Center for Regenerative Biology and Tissue Engineering, Woods Hole, MA, 02543, USA.
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2
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Li D, Yu SF, Lin L, Guo JR, Huang SM, Wu XL, You HL, Cheng XJ, Zhang QY, Zeng YQ, Pan XD. Deficiency of leucine-rich repeat kinase 2 aggravates thioacetamide-induced acute liver failure and hepatic encephalopathy in mice. J Neuroinflammation 2024; 21:123. [PMID: 38725082 PMCID: PMC11084037 DOI: 10.1186/s12974-024-03125-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 05/05/2024] [Indexed: 05/12/2024] Open
Abstract
BACKGROUND Hepatic encephalopathy (HE) is closely associated with inflammatory responses. However, as a crucial regulator of the immune and inflammatory responses, the role of leucine-rich repeat kinase 2 (LRRK2) in the pathogenesis of HE remains unraveled. Herein, we investigated this issue in thioacetamide (TAA)-induced HE following acute liver failure (ALF). METHODS TAA-induced HE mouse models of LRRK2 wild type (WT), LRRK2 G2019S mutation (Lrrk2G2019S) and LRRK2 knockout (Lrrk2-/-) were established. A battery of neurobehavioral experiments was conducted. The biochemical indexes and pro-inflammatory cytokines were detected. The prefrontal cortex (PFC), striatum (STR), hippocampus (HIP), and liver were examined by pathology and electron microscopy. The changes of autophagy-lysosomal pathway and activity of critical Rab GTPases were analyzed. RESULTS The Lrrk2-/--HE model reported a significantly lower survival rate than the other two models (24% vs. 48%, respectively, p < 0.05), with no difference found between the WT-HE and Lrrk2G2019S-HE groups. Compared with the other groups, after the TAA injection, the Lrrk2-/- group displayed a significant increase in ammonium and pro-inflammatory cytokines, aggravated hepatic inflammation/necrosis, decreased autophagy, and abnormal phosphorylation of lysosomal Rab10. All three models reported microglial activation, neuronal loss, disordered vesicle transmission, and damaged myelin structure. The Lrrk2-/--HE mice presented no severer neuronal injury than the other genotypes. CONCLUSIONS LRRK2 deficiency may exacerbate TAA-induced ALF and HE in mice, in which inflammatory response is evident in the brain and aggravated in the liver. These novel findings indicate a need of sufficient clinical awareness of the adverse effects of LRRK2 inhibitors on the liver.
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Affiliation(s)
- Dan Li
- Department of Gastroenterology, Fujian Medical University Union Hospital, 29, Xinquan Road, Fujian, 350001, China.
- Fujian Clinical Research Center for Digestive System Tumors and Upper Gastrointestinal Diseases, Fujian, 350001, China.
| | - Shu-Fang Yu
- Department of Gastroenterology, Fujian Medical University Union Hospital, 29, Xinquan Road, Fujian, 350001, China
| | - Lin Lin
- Department of Neurology, Fujian Institute of Geriatrics, Center for Cognitive Neurology, Fujian Medical University Union Hospital, 29 Xinquan Road, Fuzhou, 350001, China
- Fujian Key Laboratory of Molecular Neurology, Fujian Medical University, 29 Xinquan Road, Fuzhou, 350001, China
- Fujian Key Laboratory of Vascular Aging, Fujian Medical University, Fuzhou, 350001, Fujian, China
| | - Jie-Ru Guo
- Department of Gastroenterology, Fujian Medical University Union Hospital, 29, Xinquan Road, Fujian, 350001, China
| | - Si-Mei Huang
- Department of Gastroenterology, Fujian Medical University Union Hospital, 29, Xinquan Road, Fujian, 350001, China
| | - Xi-Lin Wu
- Department of Neurology, Fujian Institute of Geriatrics, Center for Cognitive Neurology, Fujian Medical University Union Hospital, 29 Xinquan Road, Fuzhou, 350001, China
- Fujian Key Laboratory of Molecular Neurology, Fujian Medical University, 29 Xinquan Road, Fuzhou, 350001, China
- Institute of Clinical Neurology, Fujian Medical University, 29 Xinquan Road, Fuzhou, 350001, China
| | - Han-Lin You
- Department of Neurology, Fujian Institute of Geriatrics, Center for Cognitive Neurology, Fujian Medical University Union Hospital, 29 Xinquan Road, Fuzhou, 350001, China
- Fujian Key Laboratory of Molecular Neurology, Fujian Medical University, 29 Xinquan Road, Fuzhou, 350001, China
| | - Xiao-Juan Cheng
- Department of Neurology, Fujian Institute of Geriatrics, Center for Cognitive Neurology, Fujian Medical University Union Hospital, 29 Xinquan Road, Fuzhou, 350001, China
- Fujian Key Laboratory of Molecular Neurology, Fujian Medical University, 29 Xinquan Road, Fuzhou, 350001, China
| | - Qiu-Yang Zhang
- Department of Neurology, Fujian Institute of Geriatrics, Center for Cognitive Neurology, Fujian Medical University Union Hospital, 29 Xinquan Road, Fuzhou, 350001, China
| | - Yu-Qi Zeng
- Department of Neurology, Fujian Institute of Geriatrics, Center for Cognitive Neurology, Fujian Medical University Union Hospital, 29 Xinquan Road, Fuzhou, 350001, China
- Fujian Key Laboratory of Molecular Neurology, Fujian Medical University, 29 Xinquan Road, Fuzhou, 350001, China
| | - Xiao-Dong Pan
- Department of Neurology, Fujian Institute of Geriatrics, Center for Cognitive Neurology, Fujian Medical University Union Hospital, 29 Xinquan Road, Fuzhou, 350001, China.
- Fujian Key Laboratory of Molecular Neurology, Fujian Medical University, 29 Xinquan Road, Fuzhou, 350001, China.
- Fujian Key Laboratory of Vascular Aging, Fujian Medical University, Fuzhou, 350001, Fujian, China.
- Institute of Clinical Neurology, Fujian Medical University, 29 Xinquan Road, Fuzhou, 350001, China.
- Clinical Research Center for Precision Diagnosis and Treatment of Neurological Diseases of Fujian Province, Fuzhou, 350001, China.
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3
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Dutta K, Ravi L. Molecular dynamic investigation for Roco4 kinase inhibitor as treatment options for parkinsonism. J Mol Model 2024; 30:133. [PMID: 38625397 DOI: 10.1007/s00894-024-05925-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Accepted: 04/03/2024] [Indexed: 04/17/2024]
Abstract
CONTEXT Parkinson's disease is a neurodegenerative condition characterized by the degeneration of dopaminergic neurons, resulting in motor disabilities such as rigidity, bradykinesia, postural instability, and resting tremors. While the exact cause of Parkinson's remains uncertain, both familial and sporadic forms are often associated with the G2019S mutation found in the kinase domain of LRRK2. Roco4 is an analogue of LRRK2 protein in Dictyostelium discoideum which is an established model organism to investigate LRRK2 inhibitors. In this study, the potential treatment of Parkinson's was explored by inhibiting the activity of the mutated LRRK2 protein using Roco4 as the base protein structure. Mongolicain-A and Bacoside-A exhibited significant selectivity towards the G2019S mutation, displaying a binding affinity of - 12.3 Kcal/mol and - 11.4 Kcal/mol respectively. Mongolicain-A demonstrated increased specificity towards Roco4, while Bacoside-A demonstrated significant binding affinity to all 34 kinases proteins alike. The Molecular Dynamics Studies (MDS) results strongly suggests that Mongolicain-A is a significant inhibitor of Roco4 kinase. ADMET and drugability analysis also suggests that among the two best ligands, Mongolicain-A demonstrates significant physicochemical properties to be suitable for best drug like molecule. Based on the in-silico molecular docking, molecular dynamic simulation, ADMET and drugability analyses, it is strongly suggested that, Mongolicain-A could be a potential candidate for treatment and management of Parkinson's disease via inhibition of LRRK2 protein. Further in-vitro and in-vivo investigations are in demand to validate these findings. METHODS To identify potential inhibitors, 3069 phytochemicals were screened using molecular docking via AutoDock Vina. Molecular Dynamics Simulation was carried out using GROMACS 2022.2 for a duration of 100ns per complex to study the stability and inhibition potential of the protein ligand complexes. ADMET analysis was carriedout using Molinspiration and preADMET web tool.
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Affiliation(s)
- Kankana Dutta
- Department of Life Sciences, University of Trieste, 34132, Trieste, Italy
| | - Lokesh Ravi
- Department of Food Technology, Faculty of Life and Allied Health Sciences, MS Ramaiah University of Applied Sciences, Bengaluru, 560054, Karnataka, India.
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Candito DA, Simov V, Gulati A, Kattar S, Chau RW, Lapointe BT, Methot JL, DeMong DE, Graham TH, Kurukulasuriya R, Keylor MH, Tong L, Morriello GJ, Acton JJ, Pio B, Liu W, Scott JD, Ardolino MJ, Martinot TA, Maddess ML, Yan X, Gunaydin H, Palte RL, McMinn SE, Nogle L, Yu H, Minnihan EC, Lesburg CA, Liu P, Su J, Hegde LG, Moy LY, Woodhouse JD, Faltus R, Xiong T, Ciaccio P, Piesvaux JA, Otte KM, Kennedy ME, Bennett DJ, DiMauro EF, Fell MJ, Neelamkavil S, Wood HB, Fuller PH, Ellis JM. Discovery and Optimization of Potent, Selective, and Brain-Penetrant 1-Heteroaryl-1 H-Indazole LRRK2 Kinase Inhibitors for the Treatment of Parkinson's Disease. J Med Chem 2022; 65:16801-16817. [PMID: 36475697 DOI: 10.1021/acs.jmedchem.2c01605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Inhibition of leucine-rich repeat kinase 2 (LRRK2) kinase activity represents a genetically supported, chemically tractable, and potentially disease-modifying mechanism to treat Parkinson's disease. Herein, we describe the optimization of a novel series of potent, selective, central nervous system (CNS)-penetrant 1-heteroaryl-1H-indazole type I (ATP competitive) LRRK2 inhibitors. Type I ATP-competitive kinase physicochemical properties were integrated with CNS drug-like properties through a combination of structure-based drug design and parallel medicinal chemistry enabled by sp3-sp2 cross-coupling technologies. This resulted in the discovery of a unique sp3-rich spirocarbonitrile motif that imparted extraordinary potency, pharmacokinetics, and favorable CNS drug-like properties. The lead compound, 25, demonstrated exceptional on-target potency in human peripheral blood mononuclear cells, excellent off-target kinase selectivity, and good brain exposure in rat, culminating in a low projected human dose and a pre-clinical safety profile that warranted advancement toward pre-clinical candidate enabling studies.
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Affiliation(s)
- David A Candito
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Vladimir Simov
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Anmol Gulati
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Solomon Kattar
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Ryan W Chau
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Blair T Lapointe
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Joey L Methot
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Duane E DeMong
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Thomas H Graham
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Ravi Kurukulasuriya
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Mitchell H Keylor
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Ling Tong
- Merck & Co., Inc., 2015 Galloping Hill Road, Kenilworth, New Jersey07033, United States
| | - Gregori J Morriello
- Merck & Co., Inc., 2015 Galloping Hill Road, Kenilworth, New Jersey07033, United States
| | - John J Acton
- Merck & Co., Inc., 2015 Galloping Hill Road, Kenilworth, New Jersey07033, United States
| | - Barbara Pio
- Merck & Co., Inc., 2015 Galloping Hill Road, Kenilworth, New Jersey07033, United States
| | - Weiguo Liu
- Merck & Co., Inc., 2015 Galloping Hill Road, Kenilworth, New Jersey07033, United States
| | - Jack D Scott
- Merck & Co., Inc., 2015 Galloping Hill Road, Kenilworth, New Jersey07033, United States
| | - Michael J Ardolino
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Theodore A Martinot
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Matthew L Maddess
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Xin Yan
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Hakan Gunaydin
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Rachel L Palte
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Spencer E McMinn
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Lisa Nogle
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Hongshi Yu
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Ellen C Minnihan
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Charles A Lesburg
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Ping Liu
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Jing Su
- Merck & Co., Inc., 2015 Galloping Hill Road, Kenilworth, New Jersey07033, United States
| | - Laxminarayan G Hegde
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Lily Y Moy
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Janice D Woodhouse
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Robert Faltus
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Tina Xiong
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Paul Ciaccio
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Jennifer A Piesvaux
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Karin M Otte
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Matthew E Kennedy
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | | | - Erin F DiMauro
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Matthew J Fell
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - Santhosh Neelamkavil
- Merck & Co., Inc., 2015 Galloping Hill Road, Kenilworth, New Jersey07033, United States
| | - Harold B Wood
- Merck & Co., Inc., 2015 Galloping Hill Road, Kenilworth, New Jersey07033, United States
| | - Peter H Fuller
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
| | - J Michael Ellis
- Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts02115, United States
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5
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Smith LJ, Lee CY, Menozzi E, Schapira AHV. Genetic variations in GBA1 and LRRK2 genes: Biochemical and clinical consequences in Parkinson disease. Front Neurol 2022; 13:971252. [PMID: 36034282 PMCID: PMC9416236 DOI: 10.3389/fneur.2022.971252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 07/25/2022] [Indexed: 11/24/2022] Open
Abstract
Variants in the GBA1 and LRRK2 genes are the most common genetic risk factors associated with Parkinson disease (PD). Both genes are associated with lysosomal and autophagic pathways, with the GBA1 gene encoding for the lysosomal enzyme, glucocerebrosidase (GCase) and the LRRK2 gene encoding for the leucine-rich repeat kinase 2 enzyme. GBA1-associated PD is characterized by earlier age at onset and more severe non-motor symptoms compared to sporadic PD. Mutations in the GBA1 gene can be stratified into severe, mild and risk variants depending on the clinical presentation of disease. Both a loss- and gain- of function hypothesis has been proposed for GBA1 variants and the functional consequences associated with each variant is often linked to mutation severity. On the other hand, LRRK2-associated PD is similar to sporadic PD, but with a more benign disease course. Mutations in the LRRK2 gene occur in several structural domains and affect phosphorylation of GTPases. Biochemical studies suggest a possible convergence of GBA1 and LRRK2 pathways, with double mutant carriers showing a milder phenotype compared to GBA1-associated PD. This review compares GBA1 and LRRK2-associated PD, and highlights possible genotype-phenotype associations for GBA1 and LRRK2 separately, based on biochemical consequences of single variants.
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Affiliation(s)
- Laura J. Smith
- Department of Clinical and Movement Neurosciences, Queen Square Institute of Neurology, University College London (UCL), London, United Kingdom
- Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, United States
| | - Chiao-Yin Lee
- Department of Clinical and Movement Neurosciences, Queen Square Institute of Neurology, University College London (UCL), London, United Kingdom
- Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, United States
| | - Elisa Menozzi
- Department of Clinical and Movement Neurosciences, Queen Square Institute of Neurology, University College London (UCL), London, United Kingdom
- Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, United States
| | - Anthony H. V. Schapira
- Department of Clinical and Movement Neurosciences, Queen Square Institute of Neurology, University College London (UCL), London, United Kingdom
- Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, United States
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6
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Kumar S, Behl T, Sehgal A, Chigurupati S, Singh S, Mani V, Aldubayan M, Alhowail A, Kaur S, Bhatia S, Al-Harrasi A, Subramaniyan V, Fuloria S, Fuloria NK, Sekar M, Abdel Daim MM. Exploring the focal role of LRRK2 kinase in Parkinson's disease. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:32368-32382. [PMID: 35147886 DOI: 10.1007/s11356-022-19082-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 02/02/2022] [Indexed: 06/14/2023]
Abstract
The major breakthroughs in our knowledge of how biology plays a role in Parkinson's disease (PD) have opened up fresh avenues designed to know the pathogenesis of disease and identify possible therapeutic targets. Mitochondrial abnormal functioning is a key cellular feature in the pathogenesis of PD. An enzyme, leucine-rich repeat kinase 2 (LRRK2), involved in both the idiopathic and familial PD risk, is a therapeutic target. LRRK2 has a link to the endolysosomal activity. Enhanced activity of the LRRK2 kinase, endolysosomal abnormalities and aggregation of autophagic vesicles with imperfectly depleted substrates, such as α-synuclein, are all seen in the substantia nigra dopaminergic neurons in PD. Despite the fact that LRRK2 is involved in endolysosomal and autophagic activity, it is undefined if inhibiting LRRK2 kinase activity will prevent endolysosomal dysfunction or minimise the degeneration of dopaminergic neurons. The inhibitor's capability of LRRK2 kinase to inhibit endolysosomal and neuropathological alterations in human PD indicates that LRRK2 inhibitors could have significant therapeutic usefulness in PD. G2019S is perhaps the maximum common mutation in PD subjects. Even though LRRK2's well-defined structure has still not been established, numerous LRRK2 inhibitors have been discovered. This review summarises the role of LRRK2 kinase in Parkinson's disease.
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Affiliation(s)
- Sachin Kumar
- Chitkara College of Pharmacy, Chitkara University, Rajpura, Punjab, India.
| | - Tapan Behl
- Chitkara College of Pharmacy, Chitkara University, Rajpura, Punjab, India
| | - Aayush Sehgal
- Chitkara College of Pharmacy, Chitkara University, Rajpura, Punjab, India
| | - Sridevi Chigurupati
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, Qassim University, Buraydah, Kingdom of Saudi Arabia
| | - Sukhbir Singh
- Chitkara College of Pharmacy, Chitkara University, Rajpura, Punjab, India
| | - Vasudevan Mani
- Department of Pharmacology and Toxicology, College of Pharmacy, Qassim University, Buraydah, Kingdom of Saudi Arabia
| | - Maha Aldubayan
- Department of Pharmacology and Toxicology, College of Pharmacy, Qassim University, Buraydah, Kingdom of Saudi Arabia
| | - Ahmed Alhowail
- Department of Pharmacology and Toxicology, College of Pharmacy, Qassim University, Buraydah, Kingdom of Saudi Arabia
| | - Satvinder Kaur
- GHG Khalsa College of Pharmacy, Gurusar Sadhar, Ludhiana, Punjab, India
| | - Saurabh Bhatia
- Natural & Medical Sciences Research Center, University of Nizwa, Nizwa, Oman
- School of Health Science, University of Petroleum and Energy Studies, Dehradun, Uttarakhand, India
| | - Ahmed Al-Harrasi
- Natural & Medical Sciences Research Center, University of Nizwa, Nizwa, Oman
| | | | - Shivkanya Fuloria
- Faculty of Pharmacy and Centre of Excellence for Biomaterials Engineering, AIMST University, Bedon, Kedah, Malaysia
| | - Neeraj Kumar Fuloria
- Faculty of Pharmacy and Centre of Excellence for Biomaterials Engineering, AIMST University, Bedon, Kedah, Malaysia
| | - Mahendran Sekar
- Department of Pharmaceutical Chemistrty, Faculty of Pharmacy and Health Science, Universiti Kuala Lumpur, Royal College of Medicine Perak, Ipoh, Perak, Malaysia
| | - Mohamed M Abdel Daim
- Department of Pharmaceutical Sciences, Pharmacy Program, Batterjee Medical College, Jeddah, Saudi Arabia
- Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, Egypt
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7
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Atypical Ubiquitination and Parkinson's Disease. Int J Mol Sci 2022; 23:ijms23073705. [PMID: 35409068 PMCID: PMC8998352 DOI: 10.3390/ijms23073705] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 03/24/2022] [Accepted: 03/25/2022] [Indexed: 02/04/2023] Open
Abstract
Ubiquitination (the covalent attachment of ubiquitin molecules to target proteins) is one of the main post-translational modifications of proteins. Historically, the type of polyubiquitination, which involves K48 lysine residues of the monomeric ubiquitin, was the first studied type of ubiquitination. It usually targets proteins for their subsequent proteasomal degradation. All the other types of ubiquitination, including monoubiquitination; multi-monoubiquitination; and polyubiquitination involving lysine residues K6, K11, K27, K29, K33, and K63 and N-terminal methionine, were defined as atypical ubiquitination (AU). Good evidence now exists that AUs, participating in the regulation of various cellular processes, are crucial for the development of Parkinson's disease (PD). These AUs target various proteins involved in PD pathogenesis. The K6-, K27-, K29-, and K33-linked polyubiquitination of alpha-synuclein, the main component of Lewy bodies, and DJ-1 (another PD-associated protein) is involved in the formation of insoluble aggregates. Multifunctional protein kinase LRRK2 essential for PD is subjected to K63- and K27-linked ubiquitination. Mitophagy mediated by the ubiquitin ligase parkin is accompanied by K63-linked autoubiquitination of parkin itself and monoubiquitination and polyubiquitination of mitochondrial proteins with the formation of both classical K48-linked ubiquitin chains and atypical K6-, K11-, K27-, and K63-linked polyubiquitin chains. The ubiquitin-specific proteases USP30, USP33, USP8, and USP15, removing predominantly K6-, K11-, and K63-linked ubiquitin conjugates, antagonize parkin-mediated mitophagy.
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8
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Fan Y, Nirujogi RS, Garrido A, Ruiz-Martínez J, Bergareche-Yarza A, Mondragón-Rezola E, Vinagre-Aragón A, Croitoru I, Gorostidi Pagola A, Paternain Markinez L, Alcalay R, Hickman RA, Düring J, Gomes S, Pratuseviciute N, Padmanabhan S, Valldeoriola F, Pérez Sisqués L, Malagelada C, Ximelis T, Molina Porcel L, Martí MJ, Tolosa E, Alessi DR, Sammler EM. R1441G but not G2019S mutation enhances LRRK2 mediated Rab10 phosphorylation in human peripheral blood neutrophils. Acta Neuropathol 2021; 142:475-494. [PMID: 34125248 PMCID: PMC8357670 DOI: 10.1007/s00401-021-02325-z] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 05/03/2021] [Accepted: 05/04/2021] [Indexed: 12/30/2022]
Abstract
Heterozygous gain-of-kinase function variants in LRRK2 (leucine-rich repeat kinase 2) cause 1-2% of all cases of Parkinson's disease (PD) albeit with incomplete and age-dependent penetrance. All pathogenic LRRK2 mutations reside within the two catalytic domains of LRRK2-either in its kinase domain (e.g. G2019S) with modest effect or its ROC-COR GTPase domain (e.g. R1441G/H) with large effect on LRRK2 kinase activity. We have previously reported assays to interrogate LRRK2 kinase pathway activity in human bio-samples measuring phosphorylation of its endogenous substrate Rab10, that mirrors LRRK2 kinase activation status. Here, we isolated neutrophils from fresh peripheral blood from 101 participants including 42 LRRK2 mutation carriers (21 with the G2019S and 21 with the R1441G mutations), 27 patients with idiopathic PD, and 32 controls. Using a dual approach, LRRK2 dependent Rab10 phosphorylation at Threonine 73 (pRab10Thr73) was measured by quantitative multiplexed immunoblotting for pRab10Thr73/total Rab10 as well as targeted mass-spectrometry for absolute pRab10Thr73 occupancy. We found a significant over fourfold increase in pRab10Thr73 phosphorylation in carriers of the LRRK2 R1441G mutation irrespective of clinical disease status. The effect of the LRRK2 G2019S mutation did not reach statistical significance. Furthermore, we show that LRRK2 phosphorylation at Serine 935 is not a marker for LRRK2 kinase activity in human neutrophils. When analysing pRab10Thr73 phosphorylation in post-mortem brain samples, we observed overall high variability irrespective of clinical and LRRK2 mutation status and attributed this mainly to the adverse effect of the peri- and post-mortem period on the stability of posttranslational modifications such as protein phosphorylation. Overall, in vivo LRRK2 dependent pRab10Thr73 phosphorylation in human peripheral blood neutrophils is a specific, robust and promising biomarker for significant LRRK2 kinase hyperactivation, as with the LRRK2 R1441G mutation. Additional readouts and/or assays may be needed to increase sensitivity to detect modest LRRK2 kinase activation, as with the LRRK2 G2019S mutation. Our assays could be useful for patient stratification and target engagement studies for LRRK2 kinase inhibitors.
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Affiliation(s)
- Ying Fan
- Medical Research Council Protein Phosphorylation and Ubiquitylation Unit, University of Dundee, Dundee, DD1 5EH, UK
| | - Raja S Nirujogi
- Medical Research Council Protein Phosphorylation and Ubiquitylation Unit, University of Dundee, Dundee, DD1 5EH, UK
| | - Alicia Garrido
- Parkinson's Disease and Movement Disorders Unit, Neurology Service, Hospital Clínic de Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red Sobre Enfermedades Neurodegenerativas (CIBERNED), Hospital Clínic, IDIBAPS, Universitat de Barcelona, Barcelona, Spain
| | - Javier Ruiz-Martínez
- Group of Neurodegenerative Diseases, Biodonostia Research Institute, San Sebastian, Spain
| | | | | | - Ana Vinagre-Aragón
- Group of Neurodegenerative Diseases, Biodonostia Research Institute, San Sebastian, Spain
| | - Ioana Croitoru
- Group of Neurodegenerative Diseases, Biodonostia Research Institute, San Sebastian, Spain
| | - Ana Gorostidi Pagola
- Group of Neurodegenerative Diseases, Biodonostia Research Institute, San Sebastian, Spain
| | | | - Roy Alcalay
- Department of Neurology, Columbia University Medical Center, New York, NY, USA
| | - Richard A Hickman
- Department of Pathology and Cell Biology, Columbia University Medical Center, New York, NY, USA
| | - Jonas Düring
- Medical Research Council Protein Phosphorylation and Ubiquitylation Unit, University of Dundee, Dundee, DD1 5EH, UK
| | - Sara Gomes
- Medical Research Council Protein Phosphorylation and Ubiquitylation Unit, University of Dundee, Dundee, DD1 5EH, UK
| | - Neringa Pratuseviciute
- Medical Research Council Protein Phosphorylation and Ubiquitylation Unit, University of Dundee, Dundee, DD1 5EH, UK
| | | | - Francesc Valldeoriola
- Parkinson's Disease and Movement Disorders Unit, Neurology Service, Hospital Clínic de Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red Sobre Enfermedades Neurodegenerativas (CIBERNED), Hospital Clínic, IDIBAPS, Universitat de Barcelona, Barcelona, Spain
| | - Leticia Pérez Sisqués
- Departament de Biomedicina, Facultat de Medicina I Ciències de La Salut, Institut de Neurociències, Universitat de Barcelona, Barcelona, Catalonia, Spain
| | - Cristina Malagelada
- Departament de Biomedicina, Facultat de Medicina I Ciències de La Salut, Institut de Neurociències, Universitat de Barcelona, Barcelona, Catalonia, Spain
- Centro de Investigación Biomédica en Red Sobre Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
| | - Teresa Ximelis
- Neurological Tissue Bank of the Biobanc-Hospital Clinic-Institut D'Investigacions Biomediques August Pi I Sunyer (IDIBAPS), Barcelona, Spain
| | - Laura Molina Porcel
- Neurological Tissue Bank of the Biobanc-Hospital Clinic-Institut D'Investigacions Biomediques August Pi I Sunyer (IDIBAPS), Barcelona, Spain
- Alzheimer's Disease and Other Cognitive Disorders Unit, Neurology Service, Hospital Clínic, Institut D'Investigacions Biomediques August Pi I Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain
| | - Maria José Martí
- Parkinson's Disease and Movement Disorders Unit, Neurology Service, Hospital Clínic de Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red Sobre Enfermedades Neurodegenerativas (CIBERNED), Hospital Clínic, IDIBAPS, Universitat de Barcelona, Barcelona, Spain
| | - Eduardo Tolosa
- Parkinson's Disease and Movement Disorders Unit, Neurology Service, Hospital Clínic de Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red Sobre Enfermedades Neurodegenerativas (CIBERNED), Hospital Clínic, IDIBAPS, Universitat de Barcelona, Barcelona, Spain
| | - Dario R Alessi
- Medical Research Council Protein Phosphorylation and Ubiquitylation Unit, University of Dundee, Dundee, DD1 5EH, UK
| | - Esther M Sammler
- Medical Research Council Protein Phosphorylation and Ubiquitylation Unit, University of Dundee, Dundee, DD1 5EH, UK.
- Molecular and Clinical Medicine, Ninewells Hospital and Medical School, University of Dundee, Dundee, DD1 9SY, UK.
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9
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Azeggagh S, Berwick DC. The development of inhibitors of leucine-rich repeat kinase 2 (LRRK2) as a therapeutic strategy for Parkinson's disease: the current state of play. Br J Pharmacol 2021; 179:1478-1495. [PMID: 34050929 DOI: 10.1111/bph.15575] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 05/14/2021] [Accepted: 05/21/2021] [Indexed: 12/29/2022] Open
Abstract
Current therapeutic approaches for Parkinson's disease (PD) are based around treatments that alleviate symptoms but do not slow or prevent disease progression. As such, alternative strategies are needed. A promising approach is the use of molecules that reduce the function of leucine-rich repeat kinase (LRRK2). Gain-of-function mutations in LRRK2 account for a notable proportion of familial Parkinson's disease cases, and significantly, elevated LRRK2 kinase activity is reported in idiopathic Parkinson's disease. Here, we describe progress in finding therapeutically effective LRRK2 inhibitors, summarising studies that range from in vitro experiments to clinical trials. LRRK2 is a complex protein with two enzymatic activities and a myriad of functions. This creates opportunities for a rich variety of strategies and also increases the risk of unintended consequences. We comment on the strength and limitations of the different approaches and conclude that with two molecules under clinical trial and a diversity of alternative options in the pipeline, there is cause for optimism.
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Affiliation(s)
- Sonia Azeggagh
- School of Life, Health and Chemical Sciences, The Open University, Milton Keynes, UK
| | - Daniel C Berwick
- Institute of Medical and Biomedical Education, St George's, University of London, London, UK
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10
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Sun J, Roy S. Gene-based therapies for neurodegenerative diseases. Nat Neurosci 2021; 24:297-311. [PMID: 33526943 PMCID: PMC8394447 DOI: 10.1038/s41593-020-00778-1] [Citation(s) in RCA: 75] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Accepted: 12/15/2020] [Indexed: 02/06/2023]
Abstract
Gene therapy is making a comeback. With its twin promise of targeting disease etiology and 'long-term correction', gene-based therapies (defined here as all forms of genome manipulation) are particularly appealing for neurodegenerative diseases, for which conventional pharmacologic approaches have been largely disappointing. The recent success of a viral-vector-based gene therapy in spinal muscular atrophy-promoting survival and motor function with a single intravenous injection-offers a paradigm for such therapeutic intervention and a platform to build on. Although challenges remain, the newfound optimism largely stems from advances in the development of viral vectors that can diffusely deliver genes throughout the CNS, as well as genome-engineering tools that can manipulate disease pathways in ways that were previously impossible. Surely spinal muscular atrophy cannot be the only neurodegenerative disease amenable to gene therapy, and one can imagine a future in which the toolkit of a clinician will include gene-based therapeutics. The goal of this Review is to highlight advances in the development and application of gene-based therapies for neurodegenerative diseases and offer a prospective look into this emerging arena.
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Affiliation(s)
- Jichao Sun
- Department of Geriatrics, Shenzhen People’s Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen 518020, Guangdong, China
| | - Subhojit Roy
- Department of Pathology, University of California, San Diego, La Jolla, CA,Department of Neurosciences, University of California, San Diego, La Jolla, CA,Correspondence:
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11
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Nirujogi RS, Tonelli F, Taylor M, Lis P, Zimprich A, Sammler E, Alessi DR. Development of a multiplexed targeted mass spectrometry assay for LRRK2-phosphorylated Rabs and Ser910/Ser935 biomarker sites. Biochem J 2021; 478:299-326. [PMID: 33367571 PMCID: PMC7833208 DOI: 10.1042/bcj20200930] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 12/23/2020] [Accepted: 12/23/2020] [Indexed: 12/12/2022]
Abstract
Mutations that increase the protein kinase activity of LRRK2 are one of the most common causes of familial Parkinson's disease. LRRK2 phosphorylates a subset of Rab GTPases within their Switch-II motif, impacting interaction with effectors. We describe and validate a new, multiplexed targeted mass spectrometry assay to quantify endogenous levels of LRRK2-phosphorylated Rab substrates (Rab1, Rab3, Rab8, Rab10, Rab35 and Rab43) as well as total levels of Rabs, LRRK2 and LRRK2-phosphorylated at the Ser910 and Ser935 biomarker sites. Exploiting this assay, we quantify for the first time the relative levels of each of the pRab proteins in different cells (mouse embryonic fibroblasts, human neutrophils) and mouse tissues (brain, kidney, lung and spleen). We define how these components are impacted by Parkinson's pathogenic mutations (LRRK2[R1441C] and VPS35[D620N]) and LRRK2 inhibitors. We find that the VPS35[D620N], but not LRRK2[R1441C] mutation, enhances Rab1 phosphorylation in a manner blocked by administration of an LRRK2 inhibitor, providing the first evidence that endogenous Rab1 is a physiological substrate for LRRK2. We exploit this assay to demonstrate that in Parkinson's patients with VPS35[D620N] mutations, phosphorylation of multiple Rab proteins (Rab1, Rab3, Rab8, Rab10 and Rab43) is elevated. We highlight the benefits of this assay over immunoblotting approaches currently deployed to assess LRRK2 Rab signalling pathway.
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Affiliation(s)
- Raja S. Nirujogi
- Medical Research Council (MRC) Protein Phosphorylation and Ubiquitylation Unit, School of Life Sciences, University of Dundee, Dow Street, Dundee DD1 5EH, U.K
| | - Francesca Tonelli
- Medical Research Council (MRC) Protein Phosphorylation and Ubiquitylation Unit, School of Life Sciences, University of Dundee, Dow Street, Dundee DD1 5EH, U.K
| | - Matthew Taylor
- Medical Research Council (MRC) Protein Phosphorylation and Ubiquitylation Unit, School of Life Sciences, University of Dundee, Dow Street, Dundee DD1 5EH, U.K
| | - Pawel Lis
- Medical Research Council (MRC) Protein Phosphorylation and Ubiquitylation Unit, School of Life Sciences, University of Dundee, Dow Street, Dundee DD1 5EH, U.K
| | - Alexander Zimprich
- Department of Neurology, Medical University of Vienna, Währinger Gürtel 18-20, 1090 Wien, Austria
| | - Esther Sammler
- Medical Research Council (MRC) Protein Phosphorylation and Ubiquitylation Unit, School of Life Sciences, University of Dundee, Dow Street, Dundee DD1 5EH, U.K
| | - Dario R. Alessi
- Medical Research Council (MRC) Protein Phosphorylation and Ubiquitylation Unit, School of Life Sciences, University of Dundee, Dow Street, Dundee DD1 5EH, U.K
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12
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Lopez G, Lazzeri G, Rappa A, Isimbaldi G, Cribiù FM, Guerini-Rocco E, Ferrero S, Vaira V, Di Fonzo A. Comprehensive Genomic Analysis Reveals the Prognostic Role of LRRK2 Copy-Number Variations in Human Malignancies. Genes (Basel) 2020; 11:genes11080846. [PMID: 32722212 PMCID: PMC7465025 DOI: 10.3390/genes11080846] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 07/14/2020] [Accepted: 07/22/2020] [Indexed: 12/27/2022] Open
Abstract
Genetic alterations of leucine-rich repeat kinase 2 (LRRK2), one of the most important contributors to familial Parkinson’s disease (PD), have been hypothesized to play a role in cancer development due to demographical and preclinical data. Here, we sought to define the prevalence and prognostic significance of LRRK2 somatic mutations across all types of human malignancies by querying the publicly available online genomic database cBioPortal. Ninety-six different studies with 14,041 cases were included in the analysis, and 761/14,041 (5.4%) showed genetic alterations in LRRK2. Among these, 585 (76.9%) were point mutations, indels or fusions, 168 (22.1%) were copy number variations (CNVs), and 8 (1.0%) showed both types of alterations. One case showed the somatic mutation R1441C. A significant difference in terms of overall survival (OS) was noted between cases harboring somatic LRRK2 whole deletions, amplifications, and CNV-unaltered cases (median OS: 20.09, 57.40, and 106.57 months, respectively; p = 0.0008). These results suggest that both LRRK2 amplifications and whole gene deletions could play a role in cancer development, paving the way for future research in terms of potential treatment with LRRK2 small molecule inhibitors for LRRK2-amplified cases.
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Affiliation(s)
- Gianluca Lopez
- Pathology Unit, Fondazione IRCCS Ca’ Granda–Ospedale Maggiore Policlinico, 20122 Milan, Italy; (F.M.C.); (S.F.); (V.V.)
- School of Pathology, University of Milan, 20122 Milan, Italy
- Correspondence:
| | - Giulia Lazzeri
- Neurology Unit, Fondazione IRCCS Ca’ Granda–Ospedale Maggiore Policlinico, 20122 Milan, Italy; (G.L.); (A.D.F.)
- Dino Ferrari Center, Neuroscience Section, Department of Pathophysiology and Transplantation, University of Milan, 20122 Milan, Italy
- School of Neurology, University of Milan, 20122 Milan, Italy
| | - Alessandra Rappa
- European Institute of Oncology (IEO), 20141 Milan, Italy; (A.R.); (E.G.-R.)
| | - Giuseppe Isimbaldi
- Unit of Surgical Pathology and Cytogenetics, ASST Grande Ospedale Metropolitano Niguarda, 20162 Milan, Italy;
| | - Fulvia Milena Cribiù
- Pathology Unit, Fondazione IRCCS Ca’ Granda–Ospedale Maggiore Policlinico, 20122 Milan, Italy; (F.M.C.); (S.F.); (V.V.)
| | - Elena Guerini-Rocco
- European Institute of Oncology (IEO), 20141 Milan, Italy; (A.R.); (E.G.-R.)
- Department of Oncology and Hemato-oncology, University of Milan, 20122 Milan, Italy
| | - Stefano Ferrero
- Pathology Unit, Fondazione IRCCS Ca’ Granda–Ospedale Maggiore Policlinico, 20122 Milan, Italy; (F.M.C.); (S.F.); (V.V.)
- Department of Biomedical, Surgical, and Dental Sciences, University of Milan, 20122 Milan, Italy
| | - Valentina Vaira
- Pathology Unit, Fondazione IRCCS Ca’ Granda–Ospedale Maggiore Policlinico, 20122 Milan, Italy; (F.M.C.); (S.F.); (V.V.)
| | - Alessio Di Fonzo
- Neurology Unit, Fondazione IRCCS Ca’ Granda–Ospedale Maggiore Policlinico, 20122 Milan, Italy; (G.L.); (A.D.F.)
- Dino Ferrari Center, Neuroscience Section, Department of Pathophysiology and Transplantation, University of Milan, 20122 Milan, Italy
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13
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Rivero-Ríos P, Romo-Lozano M, Fernández B, Fdez E, Hilfiker S. Distinct Roles for RAB10 and RAB29 in Pathogenic LRRK2-Mediated Endolysosomal Trafficking Alterations. Cells 2020; 9:cells9071719. [PMID: 32709066 PMCID: PMC7407826 DOI: 10.3390/cells9071719] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 07/12/2020] [Accepted: 07/13/2020] [Indexed: 12/14/2022] Open
Abstract
Summary Statement Pathogenic LRRK2 expression causes endolysosomal trafficking alterations by impairing RAB10 function, and these alterations are rescued by RAB29 independent of its Golgi localization. Abstract Mutations in the gene encoding leucine-rich repeat kinase 2 (LRRK2) cause familial Parkinson’s disease, and sequence variations are associated with the sporadic form of the disease. LRRK2 phosphorylates a subset of RAB proteins implicated in secretory and recycling trafficking pathways, including RAB8A and RAB10. Another RAB protein, RAB29, has been reported to recruit LRRK2 to the Golgi, where it stimulates its kinase activity. Our previous studies revealed that G2019S LRRK2 expression or knockdown of RAB8A deregulate epidermal growth factor receptor (EGFR) trafficking, with a concomitant accumulation of the receptor in a RAB4-positive recycling compartment. Here, we show that the G2019S LRRK2-mediated EGFR deficits are mimicked by knockdown of RAB10 and rescued by expression of active RAB10. By contrast, RAB29 knockdown is without effect, but expression of RAB29 also rescues the pathogenic LRRK2-mediated trafficking deficits independently of Golgi integrity. Our data suggest that G2019S LRRK2 deregulates endolysosomal trafficking by impairing the function of RAB8A and RAB10, while RAB29 positively modulates non-Golgi-related trafficking events impaired by pathogenic LRRK2.
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Affiliation(s)
- Pilar Rivero-Ríos
- Institute of Parasitology and Biomedicine “López-Neyra”, Consejo Superior de Investigaciones Científicas (CSIC), Avda del Conocimiento s/n, 18016 Granada, Spain; (P.R.-R.); (M.R.-L.); (B.F.); (E.F.)
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USA
| | - Maria Romo-Lozano
- Institute of Parasitology and Biomedicine “López-Neyra”, Consejo Superior de Investigaciones Científicas (CSIC), Avda del Conocimiento s/n, 18016 Granada, Spain; (P.R.-R.); (M.R.-L.); (B.F.); (E.F.)
| | - Belén Fernández
- Institute of Parasitology and Biomedicine “López-Neyra”, Consejo Superior de Investigaciones Científicas (CSIC), Avda del Conocimiento s/n, 18016 Granada, Spain; (P.R.-R.); (M.R.-L.); (B.F.); (E.F.)
| | - Elena Fdez
- Institute of Parasitology and Biomedicine “López-Neyra”, Consejo Superior de Investigaciones Científicas (CSIC), Avda del Conocimiento s/n, 18016 Granada, Spain; (P.R.-R.); (M.R.-L.); (B.F.); (E.F.)
| | - Sabine Hilfiker
- Department of Anesthesiology, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ 07103, USA
- Correspondence:
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14
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Centrosomal cohesion deficits as cellular biomarker in lymphoblastoid cell lines from LRRK2 Parkinson's disease patients. Biochem J 2020; 476:2797-2813. [PMID: 31527116 PMCID: PMC6792036 DOI: 10.1042/bcj20190315] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2019] [Revised: 09/02/2019] [Accepted: 09/12/2019] [Indexed: 12/18/2022]
Abstract
Leucine-rich repeat kinase 2 (LRRK2) is a promising therapeutic target for the treatment of Parkinson's disease (PD), and orally bioavailable, brain penetrant and highly potent LRRK2 kinase inhibitors are in early stages of clinical testing. Detection of LRRK2 phosphorylation, as well as phosphorylation of Rab10, a LRRK2 kinase substrate, have been proposed as target engagement biomarkers for LRRK2 inhibitor clinical trials. However, these readouts do not seem able to stratify patients based on enhanced LRRK2 kinase activity. Here, we describe a robust cell biological assay based on centrosomal cohesion alterations which were observed in peripheral blood mononuclear cell-derived lymphoblastoid cell lines (LCLs) from patients with G2019S LRRK2 mutations as compared with healthy controls, and could also be detected in a subset of sporadic PD patient samples. We suggest that LCLs may be a valuable resource for LRRK2 research, and that determination of centrosomal cohesion deficits may assist in the stratification of a subset of sporadic PD patients.
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Abstract
Parkinson disease is a complex, age-related, neurodegenerative disease associated with dopamine deficiency and both motor and nonmotor deficits. Many environmental and genetic factors influence Parkinson disease risk, with different factors predominating in different patients. These factors converge on specific pathways, including mitochondrial dysfunction, oxidative stress, protein aggregation, impaired autophagy, and neuroinflammation. Ultimately, treatment of Parkinson disease may focus on targeted therapies for pathophysiologically defined subtypes of Parkinson disease patients.
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Affiliation(s)
- David K Simon
- Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Avenue Boston, MA 02215, USA.
| | - Caroline M Tanner
- Department of Neurology, University of California - San Francisco, 1635 Divisadero St., Suite 520-530, San Francisco, CA 94115; Parkinson's Disease Research Education and Clinical Center San Francisco Veteran's Affairs Medical Center, 4150 Clement St. (127P), San Francisco, CA 94121
| | - Patrik Brundin
- Center for Neurodegenerative Science, Van Andel Institute, 333 Bostwick Avenue Northeast, Grand Rapids, MI 49503-2518, USA
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16
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Ebanks K, Lewis PA, Bandopadhyay R. Vesicular Dysfunction and the Pathogenesis of Parkinson's Disease: Clues From Genetic Studies. Front Neurosci 2020; 13:1381. [PMID: 31969802 PMCID: PMC6960401 DOI: 10.3389/fnins.2019.01381] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 12/05/2019] [Indexed: 12/14/2022] Open
Abstract
Parkinson's disease (PD) is a common age-related neurodegenerative disorder with disabling motor symptoms and no available disease modifying treatment. The majority of the PD cases are of unknown etiology, with both genetics and environment playing important roles. Over the past 25 years, however, genetic analysis of patients with familial history of Parkinson's and, latterly, genome wide association studies (GWAS) have provided significant advances in our understanding of the causes of the disease. These genetic insights have uncovered pathways that are affected in both genetic and sporadic forms of PD. These pathways involve oxidative stress, abnormal protein homeostasis, mitochondrial dysfunction, and lysosomal defects. In addition, newly identified PD genes and GWAS nominated genes point toward synaptic changes involving vesicles. This review will highlight the genes that contribute PD risk relating to intracellular vesicle trafficking and their functional consequences. There is still much to investigate on this newly identified and converging pathway of vesicular dynamics and PD, which will aid in better understanding and suggest novel therapeutic strategies for PD patients.
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Affiliation(s)
- Kirsten Ebanks
- Reta Lila Weston Institute, UCL Queen Square Institute of Neurology, University College London, London, United Kingdom
- Department of Clinical and Motor Neuroscience, UCL Queen Square Institute of Neurology, University College London, London, United Kingdom
| | - Patrick A. Lewis
- School of Pharmacy, University of Reading, Reading, United Kingdom
- Department of Neurodegenerative Disease, UCL Queen Square Institute of Neurology, London, United Kingdom
| | - Rina Bandopadhyay
- Reta Lila Weston Institute, UCL Queen Square Institute of Neurology, University College London, London, United Kingdom
- Department of Clinical and Motor Neuroscience, UCL Queen Square Institute of Neurology, University College London, London, United Kingdom
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17
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Abstract
Kinase activating missense mutations in leucine-rich repeat kinase 2 (LRRK2) are pathogenically linked to neurodegenerative Parkinson's disease (PD). Over the past decade, substantial effort has been devoted to the development of potent and selective small molecule inhibitors of LRRK2, as well as their preclinical testing across different Parkinson's disease models. This review outlines the genetic and biochemical evidence that pathogenic missense mutations increase LRRK2 kinase activity, which in turn provides the rationale for the development of small molecule inhibitors as potential PD therapeutics. An overview of progress in the development of LRRK2 inhibitors is provided, which in particular indicates that highly selective and potent compounds capable of clinical utility have been developed. We outline evidence from rodent- and human-induced pluripotent stem cell models that support a pathogenic role for LRRK2 kinase activity, and review the substantial experiments aimed at evaluating the safety of LRRK2 inhibitors. We address challenges still to overcome in the translational therapeutic pipeline, including biomarker development and clinical trial strategies, and finally outline the potential utility of LRRK2 inhibitors for other genetic forms of PD and ultimately sporadic PD. Collective evidence supports the ongoing clinical translation of LRRK2 inhibitors as a therapeutic intervention for PD is greatly needed.
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18
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Szumilak M, Stanczak A. Cinnoline Scaffold-A Molecular Heart of Medicinal Chemistry? Molecules 2019; 24:molecules24122271. [PMID: 31216762 PMCID: PMC6631947 DOI: 10.3390/molecules24122271] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 06/14/2019] [Accepted: 06/16/2019] [Indexed: 12/18/2022] Open
Abstract
The cinnoline nucleus is a very important bicyclic heterocycle that is used as the structural subunit of many compounds with interesting pharmaceutical properties. Cinnoline derivatives exhibit broad spectrum of pharmacological activities such as antibacterial, antifungal, antimalarial, anti-inflammatory, analgesic, anxiolytic and antitumor activities. Some of them are under evaluation in clinical trials. In the present review, we have compiled studies focused on the biological properties of cinnoline derivatives conducted by many research groups worldwide between 2005 and 2019. Comprehensive and target oriented information clearly indicate that the development of cinnoline based molecules constitute a significant contribution to the identification of lead compounds with optimized pharmacodynamic and pharmacokinetic properties.
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Affiliation(s)
- Marta Szumilak
- Department of Hospital Pharmacy, Faculty of Pharmacy, Medical University of Lodz, 1 Muszynskiego Street, 90-151 Lodz, Poland.
| | - Andrzej Stanczak
- Department of Applied Pharmacy, Faculty of Pharmacy, Medical University of Lodz, 1 Muszynskiego Street, 90-151 Lodz, Poland.
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Shore DGM, Sweeney ZK, Beresford A, Chan BK, Chen H, Drummond J, Gill A, Kleinheinz T, Liu X, Medhurst AD, McIver EG, Moffat JG, Zhu H, Estrada AA. Discovery of potent azaindazole leucine-rich repeat kinase 2 (LRRK2) inhibitors possessing a key intramolecular hydrogen bond - Part 2. Bioorg Med Chem Lett 2019; 29:674-680. [PMID: 30522953 DOI: 10.1016/j.bmcl.2018.10.017] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2018] [Revised: 10/08/2018] [Accepted: 10/12/2018] [Indexed: 11/28/2022]
Abstract
The discovery of disease-modifying therapies for Parkinson's Disease (PD) represents a critical need in neurodegenerative medicine. Genetic mutations in LRRK2 are risk factors for the development of PD, and some of these mutations have been linked to increased LRRK2 kinase activity and neuronal toxicity in cellular and animal models. As such, research towards brain-permeable kinase inhibitors of LRRK2 has received much attention. In the course of a program to identify structurally diverse inhibitors of LRRK2 kinase activity, a 5-azaindazole series was optimized for potency, metabolic stability and brain penetration. A key design element involved the incorporation of an intramolecular hydrogen bond to increase permeability and potency against LRRK2. This communication will outline the structure-activity relationships of this matched pair series including the challenge of obtaining a desirable balance between metabolic stability and brain penetration.
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Affiliation(s)
- Daniel G M Shore
- Department of Discovery Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, USA.
| | - Zachary K Sweeney
- Department of Discovery Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Alan Beresford
- Department of Drug Metabolism and Pharmacokinetics, BioFocus, Chesterford Research Park, Saffron Walden, Essex CB10 1XL, UK
| | - Bryan K Chan
- Department of Discovery Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Huifen Chen
- Department of Discovery Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Jason Drummond
- Department of Biochemical and Cellular Pharmacology, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Andrew Gill
- Department of Biochemical and Cellular Pharmacology, BioFocus, Chesterford Research Park, Saffron Walden, Essex CB10 1XL, UK
| | - Tracy Kleinheinz
- Department of Biochemical and Cellular Pharmacology, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Xingrong Liu
- Department of Drug Metabolism and Pharmacokinetics, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Andrew D Medhurst
- Department of Biochemical and Cellular Pharmacology, BioFocus, Chesterford Research Park, Saffron Walden, Essex CB10 1XL, UK
| | - Edward G McIver
- LifeArc, Accelerator Building, Open Innovation Campus, Stevenage SG1 2FX, UK
| | - John G Moffat
- Department of Biochemical and Cellular Pharmacology, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Haitao Zhu
- Department of Neuroscience, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Anthony A Estrada
- Department of Discovery Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, USA
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20
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The Parkinson's disease VPS35[D620N] mutation enhances LRRK2-mediated Rab protein phosphorylation in mouse and human. Biochem J 2018; 475:1861-1883. [PMID: 29743203 PMCID: PMC5989534 DOI: 10.1042/bcj20180248] [Citation(s) in RCA: 138] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 04/30/2018] [Accepted: 05/04/2018] [Indexed: 02/07/2023]
Abstract
Missense mutations in the LRRK2 (Leucine-rich repeat protein kinase-2) and VPS35 genes result in autosomal dominant Parkinson's disease. The VPS35 gene encodes for the cargo-binding component of the retromer complex, while LRRK2 modulates vesicular trafficking by phosphorylating a subgroup of Rab proteins. Pathogenic mutations in LRRK2 increase its kinase activity. It is not known how the only thus far described pathogenic VPS35 mutation, [p.D620N] exerts its effects. We reveal that the VPS35[D620N] knock-in mutation strikingly elevates LRRK2-mediated phosphorylation of Rab8A, Rab10, and Rab12 in mouse embryonic fibroblasts. The VPS35[D620N] mutation also increases Rab10 phosphorylation in mouse tissues (the lung, kidney, spleen, and brain). Furthermore, LRRK2-mediated Rab10 phosphorylation is increased in neutrophils as well as monocytes isolated from three Parkinson's patients with a heterozygous VPS35[D620N] mutation compared with healthy donors and idiopathic Parkinson's patients. LRRK2-mediated Rab10 phosphorylation is significantly suppressed by knock-out or knock-down of VPS35 in wild-type, LRRK2[R1441C], or VPS35[D620N] cells. Finally, VPS35[D620N] mutation promotes Rab10 phosphorylation more potently than LRRK2 pathogenic mutations. Available data suggest that Parkinson's patients with VPS35[D620N] develop the disease at a younger age than those with LRRK2 mutations. Our observations indicate that VPS35 controls LRRK2 activity and that the VPS35[D620N] mutation results in a gain of function, potentially causing PD through hyperactivation of the LRRK2 kinase. Our findings suggest that it may be possible to elaborate compounds that target the retromer complex to suppress LRRK2 activity. Moreover, patients with VPS35[D620N] associated Parkinson's might benefit from LRRK2 inhibitor treatment that have entered clinical trials in humans.
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21
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Interrogating Parkinson's disease LRRK2 kinase pathway activity by assessing Rab10 phosphorylation in human neutrophils. Biochem J 2018; 475:23-44. [PMID: 29127255 PMCID: PMC5748842 DOI: 10.1042/bcj20170803] [Citation(s) in RCA: 105] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2017] [Revised: 11/08/2017] [Accepted: 11/10/2017] [Indexed: 02/02/2023]
Abstract
There is compelling evidence for the role of the leucine-rich repeat kinase 2 (LRRK2) and in particular its kinase function in Parkinson's disease. Orally bioavailable, brain penetrant and potent LRRK2 kinase inhibitors are in the later stages of clinical development. Here, we describe a facile and robust assay to quantify LRRK2 kinase pathway activity by measuring LRRK2-mediated phosphorylation of Rab10 in human peripheral blood neutrophils. We use the selective MJFF-pRab10 monoclonal antibody recognising the Rab10 Thr73 phospho-epitope that is phosphorylated by LRRK2. We highlight the feasibility and practicability of using our assay in the clinical setting by studying a few patients with G2019S LRRK2 associated and sporadic Parkinson's as well as healthy controls. We suggest that peripheral blood neutrophils are a valuable resource for LRRK2 research and should be considered for inclusion in Parkinson's bio-repository collections as they are abundant, homogenous and express relatively high levels of LRRK2 as well as Rab10. In contrast, the widely used peripheral blood mononuclear cells are heterogeneous and only a minority of cells (monocytes and contaminating neutrophils) express LRRK2. While our LRRK2 kinase pathway assay could assist in patient stratification based on LRRK2 kinase activity, we envision that it may find greater utility in pharmacodynamic and target engagement studies in future LRRK2 inhibitor trials.
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22
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Back to the future: new target-validated Rab antibodies for evaluating LRRK2 signalling in cell biology and Parkinson's disease. Biochem J 2018; 475:185-189. [PMID: 29305429 PMCID: PMC5754967 DOI: 10.1042/bcj20170870] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Revised: 12/05/2017] [Accepted: 12/06/2017] [Indexed: 01/09/2023]
Abstract
The addition of phosphate groups to substrates allows protein kinases to regulate a myriad of biological processes, and contextual analysis of protein-bound phosphate is important for understanding how kinases contribute to physiology and disease. Leucine-rich repeat kinase 2 (LRRK2) is a Ser/Thr kinase linked to familial and sporadic cases of Parkinson's disease (PD). Recent work established that multiple Rab GTPases are physiological substrates of LRRK2, with Rab10 in particular emerging as a human substrate whose site-specific phosphorylation mirrors hyperactive LRRK2 lesions associated with PD. However, current assays to quantify Rab10 phosphorylation are expensive, time-consuming and technically challenging. In back-to-back studies reported in the Biochemical Journal, Alessi and colleagues teamed up with clinical colleagues and collaborators at the Michael J. Fox Foundation (MJFF) for Parkinson's research to develop, and validate, a panel of exquisitely sensitive phospho-specific Rab antibodies. Of particular interest, the monoclonal antibody-designated MJFF-pRAB10 detects phosphorylated Rab 10 on Thr73 in a variety of cells, brain extracts, PD-derived samples and human neutrophils, the latter representing a previously unrecognised biological resource for LRRK2 signalling analysis. In the future, these antibodies could become universal resources in the fight to understand and quantify connections between LRRK2 and Rab proteins, including those associated with clinical PD.
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23
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Purlyte E, Dhekne HS, Sarhan AR, Gomez R, Lis P, Wightman M, Martinez TN, Tonelli F, Pfeffer SR, Alessi DR. Rab29 activation of the Parkinson's disease-associated LRRK2 kinase. EMBO J 2017; 37:1-18. [PMID: 29212815 PMCID: PMC5753036 DOI: 10.15252/embj.201798099] [Citation(s) in RCA: 190] [Impact Index Per Article: 27.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2017] [Revised: 11/13/2017] [Accepted: 11/16/2017] [Indexed: 11/17/2022] Open
Abstract
Parkinson's disease predisposing LRRK2 kinase phosphorylates a group of Rab GTPase proteins including Rab29, within the effector‐binding switch II motif. Previous work indicated that Rab29, located within the PARK16 locus mutated in Parkinson's patients, operates in a common pathway with LRRK2. Here, we show that Rab29 recruits LRRK2 to the trans‐Golgi network and greatly stimulates its kinase activity. Pathogenic LRRK2 R1441G/C and Y1699C mutants that promote GTP binding are more readily recruited to the Golgi and activated by Rab29 than wild‐type LRRK2. We identify conserved residues within the LRRK2 ankyrin domain that are required for Rab29‐mediated Golgi recruitment and kinase activation. Consistent with these findings, knockout of Rab29 in A549 cells reduces endogenous LRRK2‐mediated phosphorylation of Rab10. We show that mutations that prevent LRRK2 from interacting with either Rab29 or GTP strikingly inhibit phosphorylation of a cluster of highly studied biomarker phosphorylation sites (Ser910, Ser935, Ser955 and Ser973). Our data reveal that Rab29 is a master regulator of LRRK2, controlling its activation, localization, and potentially biomarker phosphorylation.
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Affiliation(s)
- Elena Purlyte
- MRC Protein Phosphorylation and Ubiquitylation Unit, School of Life Sciences, University of Dundee, Dundee, UK
| | - Herschel S Dhekne
- Department of Biochemistry, Stanford University School of Medicine, Stanford, CA, USA
| | - Adil R Sarhan
- MRC Protein Phosphorylation and Ubiquitylation Unit, School of Life Sciences, University of Dundee, Dundee, UK
| | - Rachel Gomez
- Department of Biochemistry, Stanford University School of Medicine, Stanford, CA, USA
| | - Pawel Lis
- MRC Protein Phosphorylation and Ubiquitylation Unit, School of Life Sciences, University of Dundee, Dundee, UK
| | - Melanie Wightman
- MRC Protein Phosphorylation and Ubiquitylation Unit, School of Life Sciences, University of Dundee, Dundee, UK
| | - Terina N Martinez
- The Michael J. Fox Foundation for Parkinson's Research, New York, NY, USA
| | - Francesca Tonelli
- MRC Protein Phosphorylation and Ubiquitylation Unit, School of Life Sciences, University of Dundee, Dundee, UK
| | - Suzanne R Pfeffer
- Department of Biochemistry, Stanford University School of Medicine, Stanford, CA, USA
| | - Dario R Alessi
- MRC Protein Phosphorylation and Ubiquitylation Unit, School of Life Sciences, University of Dundee, Dundee, UK
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24
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Williamson DS, Smith GP, Acheson-Dossang P, Bedford ST, Chell V, Chen IJ, Daechsel JCA, Daniels Z, David L, Dokurno P, Hentzer M, Herzig MC, Hubbard RE, Moore JD, Murray JB, Newland S, Ray SC, Shaw T, Surgenor AE, Terry L, Thirstrup K, Wang Y, Christensen KV. Design of Leucine-Rich Repeat Kinase 2 (LRRK2) Inhibitors Using a Crystallographic Surrogate Derived from Checkpoint Kinase 1 (CHK1). J Med Chem 2017; 60:8945-8962. [PMID: 29023112 DOI: 10.1021/acs.jmedchem.7b01186] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Mutations in leucine-rich repeat kinase 2 (LRRK2), such as G2019S, are associated with an increased risk of developing Parkinson's disease. Surrogates for the LRRK2 kinase domain based on checkpoint kinase 1 (CHK1) mutants were designed, expressed in insect cells infected with baculovirus, purified, and crystallized. X-ray structures of the surrogates complexed with known LRRK2 inhibitors rationalized compound potency and selectivity. The CHK1 10-point mutant was preferred, following assessment of surrogate binding affinity with LRRK2 inhibitors. Fragment hit-derived arylpyrrolo[2,3-b]pyridine LRRK2 inhibitors underwent structure-guided optimization using this crystallographic surrogate. LRRK2-pSer935 HEK293 IC50 data for 22 were consistent with binding to Ala2016 in LRRK2 (equivalent to Ala147 in CHK1 10-point mutant structure). Compound 22 was shown to be potent, moderately selective, orally available, and brain-penetrant in wild-type mice, and confirmation of target engagement was demonstrated, with LRRK2-pSer935 IC50 values for 22 in mouse brain and kidney being 1.3 and 5 nM, respectively.
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Affiliation(s)
- Douglas S Williamson
- Vernalis (R&D) Ltd. , Granta Park, Great Abington, Cambridge, CB21 6GB, United Kingdom
| | | | | | - Simon T Bedford
- Vernalis (R&D) Ltd. , Granta Park, Great Abington, Cambridge, CB21 6GB, United Kingdom
| | - Victoria Chell
- Vernalis (R&D) Ltd. , Granta Park, Great Abington, Cambridge, CB21 6GB, United Kingdom
| | - I-Jen Chen
- Vernalis (R&D) Ltd. , Granta Park, Great Abington, Cambridge, CB21 6GB, United Kingdom
| | | | - Zoe Daniels
- Vernalis (R&D) Ltd. , Granta Park, Great Abington, Cambridge, CB21 6GB, United Kingdom
| | | | - Pawel Dokurno
- Vernalis (R&D) Ltd. , Granta Park, Great Abington, Cambridge, CB21 6GB, United Kingdom
| | | | | | - Roderick E Hubbard
- Vernalis (R&D) Ltd. , Granta Park, Great Abington, Cambridge, CB21 6GB, United Kingdom
| | - Jonathan D Moore
- Vernalis (R&D) Ltd. , Granta Park, Great Abington, Cambridge, CB21 6GB, United Kingdom
| | - James B Murray
- Vernalis (R&D) Ltd. , Granta Park, Great Abington, Cambridge, CB21 6GB, United Kingdom
| | - Samantha Newland
- Vernalis (R&D) Ltd. , Granta Park, Great Abington, Cambridge, CB21 6GB, United Kingdom
| | - Stuart C Ray
- Vernalis (R&D) Ltd. , Granta Park, Great Abington, Cambridge, CB21 6GB, United Kingdom
| | - Terry Shaw
- Vernalis (R&D) Ltd. , Granta Park, Great Abington, Cambridge, CB21 6GB, United Kingdom
| | - Allan E Surgenor
- Vernalis (R&D) Ltd. , Granta Park, Great Abington, Cambridge, CB21 6GB, United Kingdom
| | - Lindsey Terry
- Vernalis (R&D) Ltd. , Granta Park, Great Abington, Cambridge, CB21 6GB, United Kingdom
| | - Kenneth Thirstrup
- Vernalis (R&D) Ltd. , Granta Park, Great Abington, Cambridge, CB21 6GB, United Kingdom
| | - Yikang Wang
- Vernalis (R&D) Ltd. , Granta Park, Great Abington, Cambridge, CB21 6GB, United Kingdom
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