Cited by 488Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

Monoclonal antibody PHF‐1 recognizes tau protein phosphorylated at serine residues 396 and 404

Otvos, L., Feiner, L., Lang, E., Szendrei, G. I., Goedert, M., Lee, V. M‐Y.·1994·Journal of Neuroscience Research

Abstract

The microtubule‐associated protein τ is hyperphosphorylated in the paired helical filaments (PHFs) of Alzheimer's disease. Immunological and direct chemical studies have identified Ser 396 and Ser 404 as two of the phosphorylated sites. Previously, we have demonstrated, using synthetic τ peptides containing phosphorylated Ser 396 , that this site is recognized by the monoclonal antibody PHF‐1. The present sudy extends this observation by showing that PHF‐1 recognizes τ peptides containing either individually phosphorylated Ser 396 or Ser 404 , but that there is a >10‐fold increase in the sensitivity of detection of τ peptides by PHF‐1 when both serines are phosphorylated. The recognition of singly or doubly phosphorylated Ser 396 and Ser 404 in τ by PHF‐1 can also be demonstrated in Chinese hamster ovary cells transfected with full‐length wild‐type τ constructs or mutant constructs with Ala substituted for Ser 396 or Ser 404 . We conclude that the PHF‐1 epitope contains both phosphorylated Ser 396 and Ser 404 . © 1994 Wiley‐Liss, Inc.

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Crossref · 10.1002/jnr.490390607

Cites

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Research works printed but not linked: 1

  1. Trojanowski JQ, 1993, From pathological marker to potential mediator of neuronal dysfunction and degeneration in Alzheimer's disease, Clin Neurosci, 1, 184

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Authors
Otvos, L., Feiner, L., Lang, E., Szendrei, G. I., Goedert, M., & Lee, V. M.
Affiliations
  • The Wistar Institute (US)
  • University of Pennsylvania (US)
  • MRC Laboratory of Molecular Biology (GB)
Corresponding author
Otvos, L.
Venue
Journal of Neuroscience Research
Publisher
Wiley
Published
1994-12-15
Volume
39
Issue
6
Pages
669-673
ISSN
  • 0360-4012 (ISSN-L)
  • 1097-4547
OpenAlex
W1984482388
Cited by
488
References
21
Citations by year
2026: 14 · 2025: 27 · 2024: 14 · 2023: 11 · 2022: 13 · 2021: 11 · 2020: 13 · 2019: 13 · 2018: 6 · 2017: 13 · 2016: 16 · 2015: 12 · 2014: 7 · 2013: 24 · 2012: 23
FWCI
7.47
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Neuroscience Research (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (5r01ag010670-02, 5p01ag009215-20)
  • National Institute on Aging (AG09215, AG 10670)
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
tau protein, tau hyperphosphorylation, paired helical filaments, Alzheimer's disease, epitope mapping, CHO cells
MeSH terms
Alzheimer Disease, Amino Acid Sequence, Animals, Antibodies, Monoclonal, Epitopes, Enzyme-Linked Immunosorbent Assay, Cricetinae, Humans, Molecular Sequence Data, Peptides, Phosphorylation, Serine, Blotting, Western, CHO Cells, tau Proteins, DNA, Complementary

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