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April 2021; 11 (2) Research

Neurofilament Light Chain Related to Longitudinal Decline in Frontotemporal Lobar Degeneration

Jiasi Vicky Zhang, David J. Irwin, Kaj Blennow, Henrik Zetterberg, Edward B. Lee, Leslie M. Shaw, Katya Rascovsky, Lauren Massimo, Corey T. McMillan, Alice Chen-Plotkin, Lauren Elman, Virginia M.-Y. Lee, Leo McCluskey, Jon B. Toledo, Daniel Weintraub, David Wolk, John Q. Trojanowski, Murray Grossman
First published September 4, 2020, DOI: https://doi.org/10.1212/CPJ.0000000000000959
Jiasi Vicky Zhang
Penn Frontotemporal Degeneration Center (JVZ, DJI, KR, L. Massimo, CTM, MG) and Department of Neurology (DJI, KR, L. Massimo, CTM, AC-P, LE, L. McCluskey, D. Wolk, MG), Department of Pathology and Laboratory Medicine and Center for Neurodegenerative Disease Research (EBL, LMS, VM-YL, JBT, JQT), Department of Psychiatry (D. Weintraub), University of Pennsylvania, Philadelphia; Institute of Neuroscience and Physiology (KB, HZ), Department of Psychiatry and Neurochemistry, Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden; Clinical Neurochemistry Laboratory (KB, HZ), Sahlgrenska University Hospital, Mölndal, Sweden; UK Dementia Research Institute at UCL (HZ); and Department of Neurodegenerative Disease (HZ), UCL Institute of Neurology, UK.
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David J. Irwin
Penn Frontotemporal Degeneration Center (JVZ, DJI, KR, L. Massimo, CTM, MG) and Department of Neurology (DJI, KR, L. Massimo, CTM, AC-P, LE, L. McCluskey, D. Wolk, MG), Department of Pathology and Laboratory Medicine and Center for Neurodegenerative Disease Research (EBL, LMS, VM-YL, JBT, JQT), Department of Psychiatry (D. Weintraub), University of Pennsylvania, Philadelphia; Institute of Neuroscience and Physiology (KB, HZ), Department of Psychiatry and Neurochemistry, Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden; Clinical Neurochemistry Laboratory (KB, HZ), Sahlgrenska University Hospital, Mölndal, Sweden; UK Dementia Research Institute at UCL (HZ); and Department of Neurodegenerative Disease (HZ), UCL Institute of Neurology, UK.
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Kaj Blennow
Penn Frontotemporal Degeneration Center (JVZ, DJI, KR, L. Massimo, CTM, MG) and Department of Neurology (DJI, KR, L. Massimo, CTM, AC-P, LE, L. McCluskey, D. Wolk, MG), Department of Pathology and Laboratory Medicine and Center for Neurodegenerative Disease Research (EBL, LMS, VM-YL, JBT, JQT), Department of Psychiatry (D. Weintraub), University of Pennsylvania, Philadelphia; Institute of Neuroscience and Physiology (KB, HZ), Department of Psychiatry and Neurochemistry, Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden; Clinical Neurochemistry Laboratory (KB, HZ), Sahlgrenska University Hospital, Mölndal, Sweden; UK Dementia Research Institute at UCL (HZ); and Department of Neurodegenerative Disease (HZ), UCL Institute of Neurology, UK.
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Henrik Zetterberg
Penn Frontotemporal Degeneration Center (JVZ, DJI, KR, L. Massimo, CTM, MG) and Department of Neurology (DJI, KR, L. Massimo, CTM, AC-P, LE, L. McCluskey, D. Wolk, MG), Department of Pathology and Laboratory Medicine and Center for Neurodegenerative Disease Research (EBL, LMS, VM-YL, JBT, JQT), Department of Psychiatry (D. Weintraub), University of Pennsylvania, Philadelphia; Institute of Neuroscience and Physiology (KB, HZ), Department of Psychiatry and Neurochemistry, Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden; Clinical Neurochemistry Laboratory (KB, HZ), Sahlgrenska University Hospital, Mölndal, Sweden; UK Dementia Research Institute at UCL (HZ); and Department of Neurodegenerative Disease (HZ), UCL Institute of Neurology, UK.
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Edward B. Lee
Penn Frontotemporal Degeneration Center (JVZ, DJI, KR, L. Massimo, CTM, MG) and Department of Neurology (DJI, KR, L. Massimo, CTM, AC-P, LE, L. McCluskey, D. Wolk, MG), Department of Pathology and Laboratory Medicine and Center for Neurodegenerative Disease Research (EBL, LMS, VM-YL, JBT, JQT), Department of Psychiatry (D. Weintraub), University of Pennsylvania, Philadelphia; Institute of Neuroscience and Physiology (KB, HZ), Department of Psychiatry and Neurochemistry, Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden; Clinical Neurochemistry Laboratory (KB, HZ), Sahlgrenska University Hospital, Mölndal, Sweden; UK Dementia Research Institute at UCL (HZ); and Department of Neurodegenerative Disease (HZ), UCL Institute of Neurology, UK.
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Leslie M. Shaw
Penn Frontotemporal Degeneration Center (JVZ, DJI, KR, L. Massimo, CTM, MG) and Department of Neurology (DJI, KR, L. Massimo, CTM, AC-P, LE, L. McCluskey, D. Wolk, MG), Department of Pathology and Laboratory Medicine and Center for Neurodegenerative Disease Research (EBL, LMS, VM-YL, JBT, JQT), Department of Psychiatry (D. Weintraub), University of Pennsylvania, Philadelphia; Institute of Neuroscience and Physiology (KB, HZ), Department of Psychiatry and Neurochemistry, Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden; Clinical Neurochemistry Laboratory (KB, HZ), Sahlgrenska University Hospital, Mölndal, Sweden; UK Dementia Research Institute at UCL (HZ); and Department of Neurodegenerative Disease (HZ), UCL Institute of Neurology, UK.
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Katya Rascovsky
Penn Frontotemporal Degeneration Center (JVZ, DJI, KR, L. Massimo, CTM, MG) and Department of Neurology (DJI, KR, L. Massimo, CTM, AC-P, LE, L. McCluskey, D. Wolk, MG), Department of Pathology and Laboratory Medicine and Center for Neurodegenerative Disease Research (EBL, LMS, VM-YL, JBT, JQT), Department of Psychiatry (D. Weintraub), University of Pennsylvania, Philadelphia; Institute of Neuroscience and Physiology (KB, HZ), Department of Psychiatry and Neurochemistry, Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden; Clinical Neurochemistry Laboratory (KB, HZ), Sahlgrenska University Hospital, Mölndal, Sweden; UK Dementia Research Institute at UCL (HZ); and Department of Neurodegenerative Disease (HZ), UCL Institute of Neurology, UK.
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Lauren Massimo
Penn Frontotemporal Degeneration Center (JVZ, DJI, KR, L. Massimo, CTM, MG) and Department of Neurology (DJI, KR, L. Massimo, CTM, AC-P, LE, L. McCluskey, D. Wolk, MG), Department of Pathology and Laboratory Medicine and Center for Neurodegenerative Disease Research (EBL, LMS, VM-YL, JBT, JQT), Department of Psychiatry (D. Weintraub), University of Pennsylvania, Philadelphia; Institute of Neuroscience and Physiology (KB, HZ), Department of Psychiatry and Neurochemistry, Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden; Clinical Neurochemistry Laboratory (KB, HZ), Sahlgrenska University Hospital, Mölndal, Sweden; UK Dementia Research Institute at UCL (HZ); and Department of Neurodegenerative Disease (HZ), UCL Institute of Neurology, UK.
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Corey T. McMillan
Penn Frontotemporal Degeneration Center (JVZ, DJI, KR, L. Massimo, CTM, MG) and Department of Neurology (DJI, KR, L. Massimo, CTM, AC-P, LE, L. McCluskey, D. Wolk, MG), Department of Pathology and Laboratory Medicine and Center for Neurodegenerative Disease Research (EBL, LMS, VM-YL, JBT, JQT), Department of Psychiatry (D. Weintraub), University of Pennsylvania, Philadelphia; Institute of Neuroscience and Physiology (KB, HZ), Department of Psychiatry and Neurochemistry, Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden; Clinical Neurochemistry Laboratory (KB, HZ), Sahlgrenska University Hospital, Mölndal, Sweden; UK Dementia Research Institute at UCL (HZ); and Department of Neurodegenerative Disease (HZ), UCL Institute of Neurology, UK.
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Alice Chen-Plotkin
Penn Frontotemporal Degeneration Center (JVZ, DJI, KR, L. Massimo, CTM, MG) and Department of Neurology (DJI, KR, L. Massimo, CTM, AC-P, LE, L. McCluskey, D. Wolk, MG), Department of Pathology and Laboratory Medicine and Center for Neurodegenerative Disease Research (EBL, LMS, VM-YL, JBT, JQT), Department of Psychiatry (D. Weintraub), University of Pennsylvania, Philadelphia; Institute of Neuroscience and Physiology (KB, HZ), Department of Psychiatry and Neurochemistry, Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden; Clinical Neurochemistry Laboratory (KB, HZ), Sahlgrenska University Hospital, Mölndal, Sweden; UK Dementia Research Institute at UCL (HZ); and Department of Neurodegenerative Disease (HZ), UCL Institute of Neurology, UK.
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Lauren Elman
Penn Frontotemporal Degeneration Center (JVZ, DJI, KR, L. Massimo, CTM, MG) and Department of Neurology (DJI, KR, L. Massimo, CTM, AC-P, LE, L. McCluskey, D. Wolk, MG), Department of Pathology and Laboratory Medicine and Center for Neurodegenerative Disease Research (EBL, LMS, VM-YL, JBT, JQT), Department of Psychiatry (D. Weintraub), University of Pennsylvania, Philadelphia; Institute of Neuroscience and Physiology (KB, HZ), Department of Psychiatry and Neurochemistry, Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden; Clinical Neurochemistry Laboratory (KB, HZ), Sahlgrenska University Hospital, Mölndal, Sweden; UK Dementia Research Institute at UCL (HZ); and Department of Neurodegenerative Disease (HZ), UCL Institute of Neurology, UK.
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Virginia M.-Y. Lee
Penn Frontotemporal Degeneration Center (JVZ, DJI, KR, L. Massimo, CTM, MG) and Department of Neurology (DJI, KR, L. Massimo, CTM, AC-P, LE, L. McCluskey, D. Wolk, MG), Department of Pathology and Laboratory Medicine and Center for Neurodegenerative Disease Research (EBL, LMS, VM-YL, JBT, JQT), Department of Psychiatry (D. Weintraub), University of Pennsylvania, Philadelphia; Institute of Neuroscience and Physiology (KB, HZ), Department of Psychiatry and Neurochemistry, Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden; Clinical Neurochemistry Laboratory (KB, HZ), Sahlgrenska University Hospital, Mölndal, Sweden; UK Dementia Research Institute at UCL (HZ); and Department of Neurodegenerative Disease (HZ), UCL Institute of Neurology, UK.
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Leo McCluskey
Penn Frontotemporal Degeneration Center (JVZ, DJI, KR, L. Massimo, CTM, MG) and Department of Neurology (DJI, KR, L. Massimo, CTM, AC-P, LE, L. McCluskey, D. Wolk, MG), Department of Pathology and Laboratory Medicine and Center for Neurodegenerative Disease Research (EBL, LMS, VM-YL, JBT, JQT), Department of Psychiatry (D. Weintraub), University of Pennsylvania, Philadelphia; Institute of Neuroscience and Physiology (KB, HZ), Department of Psychiatry and Neurochemistry, Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden; Clinical Neurochemistry Laboratory (KB, HZ), Sahlgrenska University Hospital, Mölndal, Sweden; UK Dementia Research Institute at UCL (HZ); and Department of Neurodegenerative Disease (HZ), UCL Institute of Neurology, UK.
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Jon B. Toledo
Penn Frontotemporal Degeneration Center (JVZ, DJI, KR, L. Massimo, CTM, MG) and Department of Neurology (DJI, KR, L. Massimo, CTM, AC-P, LE, L. McCluskey, D. Wolk, MG), Department of Pathology and Laboratory Medicine and Center for Neurodegenerative Disease Research (EBL, LMS, VM-YL, JBT, JQT), Department of Psychiatry (D. Weintraub), University of Pennsylvania, Philadelphia; Institute of Neuroscience and Physiology (KB, HZ), Department of Psychiatry and Neurochemistry, Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden; Clinical Neurochemistry Laboratory (KB, HZ), Sahlgrenska University Hospital, Mölndal, Sweden; UK Dementia Research Institute at UCL (HZ); and Department of Neurodegenerative Disease (HZ), UCL Institute of Neurology, UK.
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Daniel Weintraub
Penn Frontotemporal Degeneration Center (JVZ, DJI, KR, L. Massimo, CTM, MG) and Department of Neurology (DJI, KR, L. Massimo, CTM, AC-P, LE, L. McCluskey, D. Wolk, MG), Department of Pathology and Laboratory Medicine and Center for Neurodegenerative Disease Research (EBL, LMS, VM-YL, JBT, JQT), Department of Psychiatry (D. Weintraub), University of Pennsylvania, Philadelphia; Institute of Neuroscience and Physiology (KB, HZ), Department of Psychiatry and Neurochemistry, Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden; Clinical Neurochemistry Laboratory (KB, HZ), Sahlgrenska University Hospital, Mölndal, Sweden; UK Dementia Research Institute at UCL (HZ); and Department of Neurodegenerative Disease (HZ), UCL Institute of Neurology, UK.
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David Wolk
Penn Frontotemporal Degeneration Center (JVZ, DJI, KR, L. Massimo, CTM, MG) and Department of Neurology (DJI, KR, L. Massimo, CTM, AC-P, LE, L. McCluskey, D. Wolk, MG), Department of Pathology and Laboratory Medicine and Center for Neurodegenerative Disease Research (EBL, LMS, VM-YL, JBT, JQT), Department of Psychiatry (D. Weintraub), University of Pennsylvania, Philadelphia; Institute of Neuroscience and Physiology (KB, HZ), Department of Psychiatry and Neurochemistry, Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden; Clinical Neurochemistry Laboratory (KB, HZ), Sahlgrenska University Hospital, Mölndal, Sweden; UK Dementia Research Institute at UCL (HZ); and Department of Neurodegenerative Disease (HZ), UCL Institute of Neurology, UK.
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John Q. Trojanowski
Penn Frontotemporal Degeneration Center (JVZ, DJI, KR, L. Massimo, CTM, MG) and Department of Neurology (DJI, KR, L. Massimo, CTM, AC-P, LE, L. McCluskey, D. Wolk, MG), Department of Pathology and Laboratory Medicine and Center for Neurodegenerative Disease Research (EBL, LMS, VM-YL, JBT, JQT), Department of Psychiatry (D. Weintraub), University of Pennsylvania, Philadelphia; Institute of Neuroscience and Physiology (KB, HZ), Department of Psychiatry and Neurochemistry, Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden; Clinical Neurochemistry Laboratory (KB, HZ), Sahlgrenska University Hospital, Mölndal, Sweden; UK Dementia Research Institute at UCL (HZ); and Department of Neurodegenerative Disease (HZ), UCL Institute of Neurology, UK.
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Murray Grossman
Penn Frontotemporal Degeneration Center (JVZ, DJI, KR, L. Massimo, CTM, MG) and Department of Neurology (DJI, KR, L. Massimo, CTM, AC-P, LE, L. McCluskey, D. Wolk, MG), Department of Pathology and Laboratory Medicine and Center for Neurodegenerative Disease Research (EBL, LMS, VM-YL, JBT, JQT), Department of Psychiatry (D. Weintraub), University of Pennsylvania, Philadelphia; Institute of Neuroscience and Physiology (KB, HZ), Department of Psychiatry and Neurochemistry, Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden; Clinical Neurochemistry Laboratory (KB, HZ), Sahlgrenska University Hospital, Mölndal, Sweden; UK Dementia Research Institute at UCL (HZ); and Department of Neurodegenerative Disease (HZ), UCL Institute of Neurology, UK.
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Citation
Neurofilament Light Chain Related to Longitudinal Decline in Frontotemporal Lobar Degeneration
Jiasi Vicky Zhang, David J. Irwin, Kaj Blennow, Henrik Zetterberg, Edward B. Lee, Leslie M. Shaw, Katya Rascovsky, Lauren Massimo, Corey T. McMillan, Alice Chen-Plotkin, Lauren Elman, Virginia M.-Y. Lee, Leo McCluskey, Jon B. Toledo, Daniel Weintraub, David Wolk, John Q. Trojanowski, Murray Grossman
Neurol Clin Pract Apr 2021, 11 (2) 105-116; DOI: 10.1212/CPJ.0000000000000959

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Abstract

Objective Accurate diagnosis and prognosis of frontotemporal lobar degeneration (FTLD) during life is an urgent concern in the context of emerging disease-modifying treatment trials. Few CSF markers have been validated longitudinally in patients with known pathology, and we hypothesized that CSF neurofilament light chain (NfL) would be associated with longitudinal cognitive decline in patients with known FTLD-TAR DNA binding protein ~43kD (TDP) pathology.

Methods This case-control study evaluated CSF NfL, total tau, phosphorylated tau, and β-amyloid1-42 in patients with known FTLD-tau or FTLD-TDP pathology (n = 50) and healthy controls (n = 65) and an extended cohort of clinically diagnosed patients with likely FTLD-tau or FTLD-TDP (n = 148). Regression analyses related CSF analytes to longitudinal cognitive decline (follow-up ∼1 year), controlling for demographic variables and core AD CSF analytes.

Results In FTLD-TDP with known pathology, CSF NfL is significantly elevated compared with controls and significantly associated with longitudinal decline on specific executive and language measures, after controlling for age, disease duration, and core AD CSF analytes. Similar findings are found in the extended cohort, also including clinically identified likely FTLD-TDP. Although CSF NfL is elevated in FTLD-tau compared with controls, the association between NfL and longitudinal cognitive decline is limited to executive measures.

Conclusion CSF NfL is associated with longitudinal clinical decline in relevant cognitive domains in patients with FTLD-TDP after controlling for demographic factors and core AD CSF analytes and may also be related to longitudinal decline in executive functioning in FTLD-tau.

Footnotes

  • Funding information and disclosures are provided at the end of the article. Full disclosure form information provided by the authors is available with the full text of this article at Neurology.org/cp.

  • Received January 6, 2020.
  • Accepted April 6, 2020.
  • © 2020 American Academy of Neurology
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