arrow
Back
L

Leonidas Stefanis

national and kapodistrian university of athens

66H-index
401Paper Count
2.0WCitation Count
Published Papers 180
Publication Date
Increased Serum Neurofilament Light Chain Levels in Parkinson's Disease Patients Carrying the p.A53T SNCA Mutation: Data from the Parkinson's Progression Markers Initiative Study
err2026-02-23
err0
errOAAI
errNikolaos Papagiannakis MD, PhD; Christos Koros MD, PhD; Athina-Maria Simitsi MD, PhD; Leonidas Stefanis MD, PhD; and The Parkinson's Progression Markers Initiative
errShare
errSave
In Vivo Mapping of Catecholaminergic Loss and Iron Deposition in Huntington's Disease
err2026-02-12
err0
errOAAI
errEdoardo R. de Natale MD, MSc, PhD; Heather Wilson MSc, PhD; Efstratios Karavasilis MSc, PhD; Athanasia Liozidou BPsych, MPsych, MPH; Chrisoula Kartanou PhD; Georgios Velonakis MD; Jens Kuhle MD, PhD; Ioannis Zalonis MD, PhD; Georgia Karadima MSc, PhD; Leonidas Stefanis MD, PhD; Georgios Koutsis MB, BChir, PhD; Marios Politis MD, MSc, PHD, DIC, FRCP, FEAN
errShare
errSave
Huntington's Disease-like Syndrome as a Rare Presentation of CACNA1A-Related Disorder
err2025-11-01
err0
errOAAI
errBoumis, Petros; Potagas, Constantin; Koros, Christos; Constantinides, Vasilios; Ragazos, Nikolaos; Koniari, Chrysoula; Aristeidou, Stavroula; Kartanou, Chrisoula; Linardaki, Emmanouela; Tavernarakis, Nektarios; Anagnostou, Evangelos; Stefanis, Leonidas; Papageorgiou, Socratis; Karadima, Georgia; Koutsis, Georgios
errShare
errSave
Progressive supranuclear palsy against everyone else: a look into the specificity of MRI markers
err2025-10-16
err0
PREAI
errVasilios C. Constantinides; Maria-Evgenia Brinia; Ioanna Kapsali; Nikolaos Giagkou; Georgios Velonakis; Sokratis G. Papageorgiou; George P. Paraskevas; Elisabeth Kapaki; Leonidas Stefanis
errShare
errSave
Cell-free DNA integrity and complement C4d as novel liquid biopsy biomarkers for paraneoplastic and non-paraneoplastic autoimmune encephalitis
err2025-09-19
err0
errOAAI
errAigli G. Vakrakou; Maria-Evgenia Brinia; Anastasia Cheiraki; Anastasia Alexaki; Anna Papadopoulou; Giannis Vatsellas; Vasileia Kokala Dimitropoulou; Anastasia Derventzi; Vassilios C. Constantinides; Panos Stathopoulos; Foteini Boufidou; Leonidas Stefanis; Christine Stadelmann; Stefan Nessler; Elisabeth Kapaki†; Constantinos Kilidireas†
errShare
errSave
PGRN Manifesting as Parkinson's Disease: Counseling and Treatment Implications
err2025-09-01
err0
PREAI
errMakrygianni, Maria; Beratis, Ion N.; Giagkou, Nikolaos; Papageorgiou, Sokratis; Stefanis, Leonidas; Stamelou, Maria
errShare
errSave
Nose-to-brain siRNA delivery by PEI/PPI-based nanoparticles reduces α-synuclein expression in a Parkinson’s disease mouse model
err2025-08-06
err0
errOAAI
errMalte Feja; Isabell Drath; Sandra Weiß; Alexander Ewe; Birthe Gericke; Tiago F. Outeiro; Leonidas Stefanis; Achim Aigner; Franziska Richter
errShare
errSave
In search of the optimal MRI marker for progressive supranuclear palsy: a large, single-center, retrospective study on the effect of phenotype, diagnostic certainty and disease duration
err2025-07-21
err0
errOAAI
errVasilios C. Constantinides; Nikolaos Giagkou; Maria-Evgenia Brinia; Ioanna Kapsali; Georgios Velonakis; Sokratis G. Papageorgiou; George P. Paraskevas; Elisabeth Kapaki; Leonidas Stefanis
errShare
errSave
Aggregated α-synuclein in erythrocytes as a potential biomarker for idiopathic Parkinson's Disease
err2025-04-01
err0
PREAI
errDimoula, Konstantina; Papagiannakis, Nikolaos; Maniati, Matina; Stefanis, Leonidas; Emmanouilidou, Evangelia
errShare
errSave
Exploratory Analysis of Cerebrospinal Fluid IL-6 and IL-17A Levels in Subcortical Small-Vessel Disease Compared to Alzheimer's Disease: A Pilot Study
err2025-03-10
err0
errOAAI
errLiakakis, Georgios; Vakrakou, Aigli G.; Boufidou, Fotini; Constantinides, Vasilios; Velonakis, Georgios; Paraskevas, George P.; Stefanis, Leonidas; Kapaki, Elisabeth
errShare
errSave
Motor and nonmotor features of p.A53T alpha-synuclein PD vs idiopathic PD: longitudinal data from the PPMI study
err2025-02-12
err0
errOAAI
errSimitsi, Athina Maria; Sfikas, Evangelos; Koros, Christos; Papagiannakis, Nikolaos; Beratis, Ion; Papadimitriou, Dimitra; Antonellou, Roubina; Fragiadaki, Styliani; Kontaxopoulou, Dionysia; Picillo, Marina; Pachi, Ioanna; Alefanti, Ioanna; Stamelou, Maria; Barone, Paolo; Stefanis, Leonidas
errShare
errSave
Screening for SCA27B, CANVAS and other repeat expansion disorders in Greek patients with late-onset cerebellar ataxia suggests a need to update current diagnostic algorithms
err2024-12-01
err0
PREAI
errKoutsis, Georgios; Kartanou, Chrisoula; Kontogeorgiou, Zoi; Koniari, Chrysoula; Mitrousias, Alexandros; Pellerin, David; Dicaire, Marie-Jose; Iruzubieta, Pablo; Danzi, Matt C.; Athanassopoulos, Konstantinos; Ragazos, Nikolaos; Stamelou, Maria; Rentzos, Michail; Anagnostou, Evangelos; Zuchner, Stephan; Brais, Bernard; Houlden, Henry; Panas, Marios; Stefanis, Leonidas; Karadima, Georgia
errShare
errSave
α-Synuclein in Parkinson's Disease: 12 Years Later
err2024-09-30
err0
PREAI
errVekrellis, Kostas; Emmanouilidou, Evangelia; Xilouri, Maria; Stefanis, Leonidas
errShare
errSave
In Vivo Prevalence of Beta-Amyloid Pathology and Alzheimer's Disease Co-Pathology in Idiopathic Normal-Pressure Hydrocephalus-Association with Neuropsychological Features
err2024-08-20
err0
errOAAI
errPyrgelis, Efstratios-Stylianos; Paraskevas, George P.; Constantinides, Vasilios C.; Boufidou, Fotini; Stefanis, Leonidas; Kapaki, Elisabeth
errShare
errSave
Association of Body Mass Index and Parkinson Disease A Bidirectional Mendelian Randomization Study
err2024-08-13
err1
PREAI
errDomenighetti, Cloe; Sugier, Pierre-Emmanuel; Ashok Kumar Sreelatha, Ashwin; Schulte, Claudia; Grover, Sandeep; Portugal, Berta; Lee, Pei-Chen; May, Patrick; Bobbili, Dheeraj; Radivojkov Blagojevic, Milena; Lichtner, Peter; Singleton, Andrew B.; Hernandez, Dena; Edsall, Connor; Mellick, George D.; Zimprich, Alexander A.; Pirker, Walter; Rogaeva, Ekaterina A.; Lang, Anthony E.; Koks, Sulev; Taba, Pille; Lesage, Suzanne; Brice, Alexis; Corvol, Jean-Christophe; Chartier-Harlin, Marie-Christine; Mutez, Eugenie; Brockmann, Kathrin; Deutschlander, Angela B.; Hadjigeorgiou, Georgios M.; Dardiotis, Efthimios; Stefanis, Leonidas; Simitsi, Athina Maria; Valente, Enza Maria; Petrucci, Simona; Straniero, Letizia; Zecchinelli, Anna L.; Pezzoli, Gianni; Brighina, Laura; Ferrarese, Carlo; Annesi, Grazia; Quattrone, Andrea; Gagliardi, Monica; Matsuo, Hirotaka; Nakayama, Akiyoshi; Hattori, Nobutaka; Nishioka, Kenya; Chung, Sun Ju; Kim, Yun Joong; Kolber, Pierre; Van De Warrenburg, Bart P. C.; Bloem, Bastiaan R.; Toft, Mathias; Pihlstrm, Lasse; Correia Guedes, Leonor; Ferreira, Joaquim J.; Bardien, Soraya; Carr, Jonathan; Tolosa, Eduardo; Ezquerra, Mario; Pastor, Pau; Diez-Fairen, Monica; Wirdefeldt, Karin; Pedersen, Nancy L.; Ran, Caroline; Belin, Andrea C.; Puschmann, Andreas; Hellberg, Clara; Clarke, Carl E.; Morrison, Karen E.; Tan, Manuela M.; Krainc, Dimitri; Burbulla, Lena F.; Farrer, Matthew; Kruger, Rejko; Gasser, Thomas; Sharma, Manu; Elbaz, Alexis
errShare
errSave
Precision Dopaminergic Treatment in a Cohort of Parkinson's Disease Patients Carrying Autosomal Recessive Gene Variants: Clinical Cohort Data and a Mini Review
err2024-07-30
err0
errOAAI
errKoros, Christos; Simitsi, Athina-Maria; Papagiannakis, Nikolaos; Bougea, Anastasia; Antonelou, Roubina; Pachi, Ioanna; Sfikas, Evangelos; Stanitsa, Evangelia; Angelopoulou, Efthalia; Constantinides, Vasilios C.; Papageorgiou, Sokratis G.; Potagas, Constantin; Stamelou, Maria; Stefanis, Leonidas
errShare
errSave
Research Priorities on the Role of α-Synuclein in Parkinson's Disease Pathogenesis
err2024-06-30
err4
errOAAI
errBurre, Jacqueline; Edwards, Robert H.; Halliday, Glenda; Lang, Anthony E.; Lashuel, Hilal A.; Melki, Ronald; Murayama, Shigeo; Outeiro, Tiago F.; Papa, Stella M.; Stefanis, Leonidas; Woerman, Amanda L.; Surmeier, Dalton James; Kalia, Lorraine V.; Takahashi, Ryosuke
errShare
errSave