Cited by 87Dementia and Cognitive Impairment ResearchParkinson's Disease Mechanisms and TreatmentsAlzheimer's disease research and treatments

TMEM106B Effect on cognition in Parkinson disease and frontotemporal dementia

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Tropea, Thomas F., Mak, Jordan, Guo, Michael H., Xie, Sharon X., Suh, Eunran, Rick, Jacqueline, Siderowf, Andrew, Weintraub, Daniel +6 more·2019·Annals of Neurology

Abstract

Objective: Common variants near TMEM106B associate with risk of developing frontotemporal dementia (FTD). Emerging evidence suggests a role for TMEM106B in neurodegenerative processes beyond FTD. We evaluate the effect of TMEM106B genotype on cognitive decline across multiple neurogenerative diseases. Methods: We longitudinally followed 870 subjects with diagnoses of Parkinson disease (PD; n = 179), FTD (n = 179), Alzheimer disease (AD; n = 300), memory‐predominant mild cognitive impairment (MCI; n = 75), or neurologically normal control subjects (NC; n = 137) at the University of Pennsylvania (UPenn). All participants had annual Mini‐Mental State Examination (MMSE; median follow‐up duration = 3.0 years) and were genotyped at TMEM106B index single nucleotide polymorphism rs1990622. Genotype effects on cognition were confirmed by extending analyses to additional cognitive instruments (Mattis Dementia Rating Scale‐2 [DRS‐2] and Montreal Cognitive Assessment [MoCA]) and to an international validation cohort (Parkinson's Progression Markers Initiative [PPMI], N = 371). Results: The TMEM106B rs1990622 T allele, linked to increased risk of FTD, associated with greater MMSE decline over time in PD subjects but not in AD or MCI subjects. For FTD subjects, rs1990622 T associated with more rapid decrease in MMSE only under the minor‐allele, rs1990622 C, dominant model. Among PD patients, rs1990622 T carriers from the UPenn cohort demonstrated more rapid longitudinal decline in DRS‐2 scores. Finally, in the PPMI cohort, TMEM106B risk allele carriers demonstrated more rapid longitudinal decline in MoCA scores. Interpretation: Irrespective of cognitive instrument or cohort assessed, TMEM106B acts as a genetic modifier for cognitive trajectory in PD. Our results implicate lysosomal dysfunction in the pathogenesis of cognitive decline in 2 different proteinopathies. ANN NEUROL 2019;85:801–811.

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  • GRN and TMEM106B are reportedly potential genetic risk factors for differential aging in the cerebral cortex and cognitive impairment in amyotrophic lateral sclerosis and Parkinson's disease.

    “For instance, GRN and TMEM106B are reportedly potential genetic risk factors for differential aging in the cerebral cortex42 and cognitive impairment in amyotrophic lateral sclerosis43 and Parkinson’s disease44,45.”

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Authors
Tropea, T. F., Mak, J., Guo, M. H., Xie, S. X., Suh, E., Rick, J., Siderowf, A., Weintraub, D., Grossman, M., Irwin, D., Wolk, D. A., Trojanowski, J. Q., Van Deerlin, V., & Chen‐Plotkin, A. S.
Affiliations
  • University of Pennsylvania (US)
  • Broad Institute (US)
  • Mental Illness Research, Education and Clinical Centers (US)
  • Department of Pathology and Laboratory Medicine, Perelman School of Medicine University of Pennsylvania Philadelphia PA
Corresponding author
Chen‐Plotkin, Alice S.
Venue
Annals of Neurology
Publisher
Wiley
Published
2019-05-14
Volume
85
Issue
6
Pages
801-811
ISSN
  • 0364-5134 (ISSN-L)
  • 1531-8249
OpenAlex
W2940159300
Cited by
83
References
33
Citations by year
2026: 12 · 2025: 12 · 2024: 12 · 2023: 14 · 2022: 13 · 2021: 10 · 2020: 9 · 2019: 1
FWCI
6.56
Type
journal article
Language
en
Open access
Locations
  • Annals of Neurology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institute of Neurological Disorders and Stroke (P50 NS06284, R01 NS082265, T32 NS091008)
  • University of Pennsylvania (Benaroya Fund, ITMAT Scholarship, Parker Family Chair)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
Keywords
TMEM106B, Parkinson's disease, frontotemporal dementia, cognitive decline, genetic modifiers, lysosomal dysfunction, Alzheimer's disease, mild cognitive impairment, proteinopathies, longitudinal cognitive trajectories
MeSH terms
Mental Status and Dementia Tests, Aged, Cognition, Female, Follow-Up Studies, Humans, Longitudinal Studies, Male, Membrane Proteins, Middle Aged, Nerve Tissue Proteins, Neuropsychological Tests, Parkinson Disease, Frontotemporal Dementia, Cognitive Dysfunction

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