Cited by 47Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

NPT088 reduces both amyloid‐β and tau pathologies in transgenic mice

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Levenson, Jonathan M., Schroeter, Sally, Carroll, Jenna C., Cullen, Valerie, Asp, Eva, Proschitsky, Ming, Chung, Charlotte H.‐Y., Gilead, Sharon +10 more·2016·Alzheimer's & Dementia: Translational Research & Clinical Interventions

Abstract

Introduction: Alzheimer's disease (AD) is characterized by appearance of both extracellular senile plaques and intracellular neurofibrillary tangles, comprised of aggregates of misfolded amyloid‐β (Aβ) and hyper‐phosphorylated tau, respectively. In a previous study, we demonstrated that g3p, a capsid protein from bacteriophage M13, binds to and remodels misfolded aggregates of proteins that assume an amyloid conformation. We engineered a fusion protein (“NPT088”) consisting of the active fragment of g3p and human‐IgG 1 ‐Fc. Methods: Aged Tg2576 mice or rTg4510 mice received NPT088 weekly via IP injection. Cognitive and/or functional motor endpoints were monitored during dosing. Pathology was quantified biochemically and immunohistochemically. Results: NPT088‐lowered Aβ plaque and improved cognitive performance of aged Tg2576 mice. Moreover, NPT088 reduced phospho‐tau pathology, reduced brain atrophy, and improved cognition in rTg4510 mice. Discussion: These observations establish NPT088 as a novel therapeutic approach and potential drug class that targets both Aβ and tau, the hallmark pathologies of AD.

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Authors
Levenson, J. M., Schroeter, S., Carroll, J. C., Cullen, V., Asp, E., Proschitsky, M., Chung, C. H. ‐., Gilead, S., Nadeem, M., Dodiya, H. B., Shoaga, S., Mufson, E. J., Tsubery, H., Krishnan, R., Wright, J., Solomon, B., Fisher, R., & Gannon, K. S.
Affiliations
  • NeuroPhage Pharmaceuticals, Inc. Cambridge MA USA
  • Rush University Medical Center (US)
  • Tel Aviv University (IL)
Corresponding author
Levenson, Jonathan M.
Venue
Alzheimer's & Dementia: Translational Research & Clinical Interventions
Publisher
Wiley
Published
2016-07-13
Volume
2
Issue
3
Pages
141-155
ISSN
2352-8737 (ISSN-L)
OpenAlex
W2469188549
Cited by
47
References
72
Citations by year
2026: 2 · 2025: 5 · 2024: 5 · 2023: 2 · 2022: 4 · 2021: 8 · 2020: 4 · 2019: 13 · 2018: 3 · 2017: 1
FWCI
4.56
Type
journal article
Language
en
Open access
Locations
  • Alzheimer s & Dementia Translational Research & Clinical Interventions (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
Alzheimer's disease, amyloid-beta, tau hyperphosphorylation, capsid protein, fusion protein, Tg2576 mice, rTg4510 mice, amyloid plaques, neurofibrillary tangles, cognitive impairment, brain atrophy, anti-amyloid therapy

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