{"title":"September Infographic","authors":"","doi":"10.1002/mds.70558","DOIUrl":"https://doi.org/10.1002/mds.70558","url":null,"abstract":"<p>\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure>\u0000 Greater Motor and Nonmotor Burden at Diagnosis Is Associated With Amyloid Copathology in Parkinson's Disease\u0000 </p>","PeriodicalId":213,"journal":{"name":"Movement Disorders","volume":"41 9","pages":""},"PeriodicalIF":7.7,"publicationDate":"2026-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149027755","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Movement DisordersPub Date : 2026-09-24Epub Date: 2026-08-28DOI: 10.1002/mds.70506
Ludy C. Shih, David K. Simon, Clifford B. Saper, Stewart A. Factor
{"title":"In Memoriam, Daniel Tarsy, MD (1940–2026)","authors":"Ludy C. Shih, David K. Simon, Clifford B. Saper, Stewart A. Factor","doi":"10.1002/mds.70506","DOIUrl":"10.1002/mds.70506","url":null,"abstract":"","PeriodicalId":213,"journal":{"name":"Movement Disorders","volume":"41 9","pages":"2249-2250"},"PeriodicalIF":7.7,"publicationDate":"2026-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148836233","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Movement DisordersPub Date : 2026-09-24Epub Date: 2026-06-01DOI: 10.1002/mds.70365
Eva Matt PhD, Nina Plischek MSc, Michael Mitterwallner PhD, Sonja Radjenovic PhD, Alexandra Weber MSc, Alina Domitner MSc, Gregor Dörl MSc, Anna Zettl MSc, Sarah Osou MSc, Anna Leitgeb BSc, Agnes Santer MD, Viktoria Winkler MD, Julia Mandelburger MD, Heidemarie Zach MD, PhD, Roland Beisteiner MD, MA
Movement DisordersPub Date : 2026-09-24Epub Date: 2026-06-04DOI: 10.1002/mds.70358
Xiao Chen MPH, Hui Chen PhD, Peilu Wang MD, PhD, Michael A. Schwarzschild MD, PhD, Albert Y. Hung MD, PhD, Xiang Gao MD, PhD, Alberto Ascherio MD, DrPH, Mario H. Flores-Torres MD, PhD, Kjetil Bjornevik MD, PhD
Movement DisordersPub Date : 2026-09-24Epub Date: 2026-06-25DOI: 10.1002/mds.70397
Esther Sammler MD, PhD, Francesca Tonelli PhD, Michelle Durborow BS, Pharm, Jim McNasby JD, Todd Sherer PhD, Mahmood Ahmed PhD, Stevan W. Djuric PhD, Kalpana Merchant PhD, Alastair Reith PhD, Darryle Schoepp PhD, Christine Klein MD, Shalini Padmanabhan PhD, Dario R. Alessi PhD
{"title":"Addressing the Challenges of Translating LRRK2 Biology into Disease-Modifying Therapies: The LRRK2 Investigative Therapeutics Exchange Initiative","authors":"Esther Sammler MD, PhD, Francesca Tonelli PhD, Michelle Durborow BS, Pharm, Jim McNasby JD, Todd Sherer PhD, Mahmood Ahmed PhD, Stevan W. Djuric PhD, Kalpana Merchant PhD, Alastair Reith PhD, Darryle Schoepp PhD, Christine Klein MD, Shalini Padmanabhan PhD, Dario R. Alessi PhD","doi":"10.1002/mds.70397","DOIUrl":"10.1002/mds.70397","url":null,"abstract":"<p>Parkinson's disease (PD) is a common and growing neurological disorder without a therapy that slows or halts progression, despite decades of investment and an increasingly sophisticated mechanistic understanding of its underlying biology. Among targets emerging from the genomic era, leucine-rich repeat kinase 2 (LRRK2) stands out for its robust genetic validation, mechanistic clarity, and pharmacological tractability. Importantly, a pipeline of LRRK2-targeted therapies has emerged. The first major efficacy readout from an LRRK2 kinase inhibitor program has now been reported: the Phase 2b LUMA study of BIIB122 (DNL151) did not demonstrate a clinical benefit in an unstratified cohort of early-stage PD patients.<span><sup>1</sup></span> Rather than diminishing the rationale for targeting LRRK2, these findings highlight critical questions that remain unresolved, including the degree of target engagement required to achieve therapeutic benefit in the brain and the identification of patient populations most likely to respond to LRRK2-directed therapies. The results therefore reinforce the need for a coordinated, multidisciplinary strategy to develop next-generation LRRK2-targeted interventions, biomarkers, and patient stratification approaches.<span><sup>1, 2</sup></span> The successful delivery of LRRK2-targeted therapies will depend on actively diversifying therapeutic strategies, refining trial design through biomarker integration, and advancing precision neurology approaches aligned with disease biology. The limiting factor is not the target but how it is being tested.</p><p>LRRK2 occupies a unique position in the PD landscape. It is one of the most common causes of autosomal dominant PD and a significant risk factor for sporadic disease.<span><sup>3</sup></span> The G2019S variant alone accounts for ~1% to 2% of PD cases globally, increasing to ~30% in certain North African Arab and Ashkenazi Jewish populations.<span><sup>4</sup></span> Beyond coding variants, genome-wide association studies implicate noncoding LRRK2 variants in modulating PD risk,<span><sup>5</sup></span> whereas environmental exposures linked to PD activate the pathway.<span><sup>6, 7</sup></span> Together, these data position LRRK2 at the intersection of genetic predisposition and environmental susceptibility across the PD spectrum.</p><p>Pathogenic LRRK2 variants converge on a shared functional consequence: kinase hyperactivation that disrupts endolysosomal biology, autophagy, and ciliogenesis across neuronal and peripheral compartments. This biological coherence is matched by pharmacological tractability.<span><sup>8</sup></span> LRRK2 is currently being targeted by multiple therapeutic modalities in clinical trials, including ATP-competitive type I kinase inhibitors, targeted degradation strategies (PROTACs), and antisense oligonucleotides (ASO) (https://zenodo.org/records/15604012). However, the full therapeutic potential of LRRK2 targeting remains only partially realize","PeriodicalId":213,"journal":{"name":"Movement Disorders","volume":"41 9","pages":"2280-2288"},"PeriodicalIF":7.7,"publicationDate":"2026-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/mds.70397","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148322667","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}