Clinical and Pathological Characteristics of LRRK2 G2019S Patients with PD (original) (raw)

Abstract

The objective of this study is to describe the neuropathologic findings in three LRRK2 G2019S carriers with Parkinson's disease (PD). We cross-referenced a list of 956 PD individuals that had been previously genotyped in clinical studies at Columbia University, with 282 subjects with a parkinsonian syndrome who came to autopsy in our brain bank since 1991. We found three autopsies of G2019S mutation carriers. Pathological analyses of the samples were blind to the genetic findings. We retrospectively reviewed the clinical records of the three patients. All three had a clinical and pathological diagnosis of PD. Cognitive impairment was a late feature in two out of three patients. Cortical involvement varied significantly: one had diffuse Lewy body (LB) pathology, tau inclusions, and amyloid pathology consistent with advanced Alzheimer's disease; one had diffuse cortical LB; and one had only brainstem predominant LB pathology. Cognitive impairment may be a long-term complication in G2019S mutation carriers. However, the extent of cortical involvement is variable. Larger longitudinal follow-up of LRRK2 G2019S mutation carriers is required to assess for risk factors for cortical involvement and dementia.

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Disclosures

Dr. Poulopoulos, Dr. Cortes, Dr. Vonsattel, Dr. Cote, and Ms. Moskowitz report no disclosures.

Dr. Fahn reports receiving support from consulting and advisory board membership with honoraria from Oxford Biomedica (Sept 2009), Proctor-Goodwin (Nov 2009), GE Healthcare (Nov 2009), RJG Foundation (March 2010), IMPAX Pharmaceuticals (May 2010), and Lundbeck (June 2010). He is receiving research support from the Parkinson's Disease Foundation (no salary support). He received a grant from the Smart Family Foundation (no salary support). He received a grant from the US Department of Defense's Telemedicine and Advanced Technology Research Center (TATRC) for the World Parkinson Congress 2010, and a grant from the National Institutes of Health for the World Parkinson Congress 2010. Dr. Fahn received lecture honoraria from Columbia University (July 2009), Sun Pharmaceuticals India (Sept 2009), World Association of Sleep Medicine (Nov 2009), American Academy of Neurology (April 2010), and Columbia University (July 2010). Dr. Fahn reports serving as an editor with author honoraria from “Current Neurology and Neurosurgery Report” (annual); Elsevier for co-author of book Principles and Practice of Movement Disorders.

Dr. Waters received speaking honorarium from Boehringer and Teva.

Dr. Honig is funded by NIH grant P50AG008702.

Dr. Clark is funded by NIH grants R21NS050487 (PI), R01NS60113 (PI), R01NS0738072 (CoPI), P50AG008702 (CoI), P50 NS038370 (CoI), the Parkinson’s Disease foundation and the Michael J Fox foundation.

Dr. Marder served on the editorial board of Neurology and is funded by NIH [NS36630 (PI), 1UL1 RR024156-01(Director PCIR), PO412196-G (Co-I), PO412196-G (Co-I)] and R01NS36630, and from the Parkinson Disease Foundation, Huntington's Disease Society of America, the Parkinson Study Group, and the Michael J. Fox foundation.

Dr. Alcalay is funded by NIH (K12 part of UL1 RR024156) and the Brookdale Foundation, the Parkinson's Disease Foundation, the Michael J. Fox foundation, and the Smart Foundation.

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Authors and Affiliations

  1. Department of Neurology, College of Physicians and Surgeons, Columbia University, New York, NY, USA
    Markos Poulopoulos, Stanley Fahn, Cheryl Waters, Carol Moskowitz, Karen S. Marder & Roy N. Alcalay
  2. Taub Institute for Research on Alzheimer’s Disease and the Aging Brain, College of Physicians and Surgeons, Columbia University, New York, NY, USA
    Etty Cortes, Jean-Paul G. Vonsattel, Lucien J. Cote, Carol Moskowitz, Lawrence S. Honig, Lorraine N. Clark, Karen S. Marder & Roy N. Alcalay
  3. Gertrude H. Sergievsky Center, College of Physicians and Surgeons, Columbia University, New York, NY, USA
    Karen S. Marder
  4. Department of Pathology and Cell Biology, College of Physicians and Surgeons, Columbia University, New York, NY, USA
    Lorraine N. Clark
  5. Center for Human Genetics, College of Physicians and Surgeons, Columbia University, New York, NY, USA
    Lorraine N. Clark
  6. Department of Psychiatry, Columbia University Medical Center, New York, NY, USA
    Karen S. Marder
  7. Neurological Institute, 710 West 168th street, New York, NY, 10032, USA
    Roy N. Alcalay

Authors

  1. Markos Poulopoulos
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  2. Etty Cortes
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  3. Jean-Paul G. Vonsattel
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  4. Stanley Fahn
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  5. Cheryl Waters
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  6. Lucien J. Cote
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  7. Carol Moskowitz
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  8. Lawrence S. Honig
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  9. Lorraine N. Clark
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  10. Karen S. Marder
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  11. Roy N. Alcalay
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Corresponding author

Correspondence toRoy N. Alcalay.

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Study funding

This study was supported by NIH grants: R01NS36630 (Dr. Marder), R01NS060113 (Dr. Clark), P50AG008702 (Drs. Clark, Honig, Marder and Vonsattel), P50 NS038370 (Drs. Clark and Vonsattel) UL1 RR024156 (Dr. Alcalay) and the Parkinson’s Disease Foundation (Drs. Marder, Fahn and Clark). Dr. Poulopoulos is a Parkinson's Disease Foundation fellow

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Poulopoulos, M., Cortes, E., Vonsattel, JP.G. et al. Clinical and Pathological Characteristics of LRRK2 G2019S Patients with PD.J Mol Neurosci 47, 139–143 (2012). https://doi.org/10.1007/s12031-011-9696-y

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