K
Karen Marder
Researcher at Columbia University
Publications - 406
Citations - 40413
Karen Marder is an academic researcher from Columbia University. The author has contributed to research in topics: Dementia & Parkinson's disease. The author has an hindex of 99, co-authored 373 publications receiving 36285 citations. Previous affiliations of Karen Marder include University of York & Columbia University Medical Center.
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Journal ArticleDOI
Updated research nosology for HIV-associated neurocognitive disorders
Andrea Antinori,Gabriele Arendt,James T. Becker,Bruce J. Brew,Desiree Byrd,Mariana Cherner,David B. Clifford,Paola Cinque,Leon G. Epstein,K. Goodkin,Magnus Gisslén,Igor Grant,Robert K. Heaton,Jeymohan Joseph,Karen Marder,Camillo Marra,Justin C. McArthur,Michael Nunn,Richard W. Price,Lynn Pulliam,Kevin Robertson,Ned Sacktor,Victor Valcour,Valerie Wojna +23 more
TL;DR: This report reviews the collective experience with HIV-associated neurocognitive disorders (HAND), particularly since the advent of highly active antiretroviral treatment, and their definitional criteria; discusses the impact of comorbidities; and suggests inclusion of the term asymptomatic neuroc cognitive impairment to categorize individuals with subclinical impairment.
Journal ArticleDOI
Unified huntington’s disease rating scale: Reliability and consistency
Karl Kieburtz,John B. Penney,Peter Corno,Neal G. Ranen,Ira Shoulson,Andrew Feigin,Davi Abwender,J. Timothy Greenarnyre,Donald S. Higgins,Frederick J. Marshall,Joshua L. Goldstein,Kimberly Steinberg,Charles Shih,Irene H. Richard,Charlyne Hickey,Carol Zimmerman,Constance Orme,Kathy Claude,David Oakes,Daniel S. Sax,Anthony Kim,Steven M. Hersch,Randi Jones,Alexander P. Auchus,David B. Olsen,Cheryl Bissey-Black,Allen Rubin,Rose Schwartz,Richard Dubinsky,William Mallonee,Carolyn Gray,Nan Godfrey,Greg Suter,Kathleen M. Shannon,Glenn T. Stebbins,Jean A. Jaglin,Karen Marder,Stuart Taylor,Elan D. Louis,Carol Moskowitz,Deborah Zeck Thorne,Naomi Zubin,Nancy S. Wexler,Michael R. Swenson,Jane S. Paulsen,Neal R. Swerdlow,Roger L. Albin,Christine Wernette,Francis O. Walker,Vicki Hunt +49 more
TL;DR: The limited longitudinal database indicates that the UHDRS may be useful for tracking changes in the clinical features of HD over time and there was an excellent degree of interrater reliability for the motor scores.
Journal ArticleDOI
Large-scale meta-analysis of genome-wide association data identifies six new risk loci for Parkinson's disease
Mike A. Nalls,Nathan Pankratz,Christina M. Lill,Chuong B. Do,Dena G. Hernandez,Dena G. Hernandez,Mohamad Saad,Mohamad Saad,Mohamad Saad,Anita L. DeStefano,Anita L. DeStefano,Eleanna Kara,Jose Bras,Manu Sharma,Claudia Schulte,Margaux F. Keller,Sampath Arepalli,Christopher Letson,Connor Edsall,Hreinn Stefansson,Xinmin Liu,Hannah A. Pliner,Joseph H. Lee,Rong Cheng,M. Arfan Ikram,John P. A. Ioannidis,Georgios M. Hadjigeorgiou,Joshua C. Bis,Maria Martinez,Maria Martinez,Joel S. Perlmutter,Alison Goate,Karen Marder,Brian K. Fiske,Margaret Sutherland,Georgia Xiromerisiou,Richard H. Myers,Lorraine N. Clark,Kari Stefansson,John Hardy,Peter Heutink,Honglei Chen,Nicholas W. Wood,Henry Houlden,Haydeh Payami,Alexis Brice,Alexis Brice,William K. Scott,Thomas Gasser,Lars Bertram,Nicholas Eriksson,Tatiana Foroud,Andrew B. Singleton +52 more
TL;DR: This article conducted a meta-analysis of Parkinson's disease genome-wide association studies using a common set of 7,893,274 variants across 13,708 cases and 95,282 controls.
Journal ArticleDOI
Multicenter Analysis of Glucocerebrosidase Mutations in Parkinson's Disease
Ellen Sidransky,Mike A. Nalls,Jan O. Aasly,Judith Aharon-Peretz,Grazia Annesi,Egberto Reis Barbosa,Anat Bar-Shira,Daniela Berg,Jose Bras,Jose Bras,Alexis Brice,Alexis Brice,Chiung-Mei Chen,Lorraine N. Clark,Christel Condroyer,Elvira Valeria De Marco,Alexandra Durr,Alexandra Durr,Michael J. Eblan,Stanley Fahn,Matthew J. Farrer,Hon-Chung Fung,Ziv Gan-Or,Thomas Gasser,Ruth Gershoni-Baruch,Ruth Gershoni-Baruch,Nir Giladi,Nir Giladi,Alida Griffith,Tanya Gurevich,Tanya Gurevich,Cristina Januário,Peter Kropp,Anthony E. Lang,Guey Jen Lee-Chen,Suzanne Lesage,Karen Marder,Ignacio F. Mata,Anat Mirelman,Jun Mitsui,Ikuko Mizuta,Giuseppe Nicoletti,Giuseppe Nicoletti,Catarina R. Oliveira,Ruth Ottman,Avi Orr-Urtreger,Lygia da Veiga Pereira,Aldo Quattrone,Aldo Quattrone,Ekaterina Rogaeva,Arndt Rolfs,Hanna Rosenbaum,Roberto Rozenberg,Ali Samii,Ali Samii,Ali Samii,Ted Samaddar,Claudia Schulte,Manu Sharma,Manu Sharma,Andrew B. Singleton,Andrew B. Singleton,Mariana Spitz,Mariana Spitz,Eng-King Tan,Eng-King Tan,Nahid Tayebi,Tatsushi Toda,André R. Troiano,Shoji Tsuji,Matthias Wittstock,Tyra G. Wolfsberg,Yih-Ru Wu,Cyrus P. Zabetian,Yi Zhao,Shira G. Ziegler +75 more
TL;DR: Data collected demonstrate that there is a strong association between GBA mutations and Parkinson's disease, and those with a GBA mutation presented earlier with the disease, were more likely to have affected relatives, and were morelikely to have atypical clinical manifestations.
Journal ArticleDOI
Effect of oestrogen during menopause on risk and age at onset of Alzheimer's disease
Ming-Xin Tang,Diane M. Jacobs,Yaakov Stern,Karen Marder,Peter W. Schofield,Barry J. Gurland,Howard Andrews,Richard Mayeux +7 more
TL;DR: Oestrogen use in postmenopausal women may delay the onset and decrease the risk of Alzheimer's disease and Prospective studies are needed to establish the dose and duration required to provide this benefit and to assess its safety in elderly post menopause women.