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Updated: May 3, 2026
An In Vitro Model for Studying Tau Aggregation Using Lentiviral-mediated Transduction of Human Neurons
Published on: May 23, 2019
Novel autoimmune response in a tauopathy mouse model
Carlos J Nogueras-Ortiz1, Hector J De Jesús-Cortes2, Jaime Vaquer-Alicea2
1Department of Biology, University of Puerto Rico - Río Piedras Campus San Juan, PR, USA ; Department of Chemistry, University of Puerto Rico - Río Piedras Campus San Juan, PR, USA.
Auto-antibodies against Amphiphysin-1 (AMPH1) are elevated in a mouse model of tau-mediated neurodegeneration. These auto-AMPH1 antibodies correlate with disease progression and may serve as a novel biomarker for Alzheimer's disease and related tauopathies.
Area of Science:
- Neuroscience
- Biochemistry
- Immunology
Background:
- Non-invasive molecular diagnostics are crucial for Alzheimer's disease (AD) and tauopathy research.
- Current biomarkers lack specificity, and their link to pathological events is unclear.
- Amphiphysin-1 (AMPH1) protein levels decrease in the CNS of tauopathy models and AD brains.
Purpose of the Study:
- To investigate the presence and levels of auto-AMPH1 antibodies in tau-mediated neurodegeneration.
- To assess the potential of auto-AMPH1 antibodies as diagnostic biomarkers.
Main Methods:
- Detection of auto-AMPH1 antibodies in mouse sera using immunoblots and ELISA.
- Comparison between neurodegenerative (JNPL3) and healthy control (NTg) mice.
- Correlation analysis with motor impairment and CNS AMPH1 levels.
Main Results:
- Elevated levels of auto-AMPH1 antibodies were found in JNPL3 mice sera compared to NTg controls.
- Auto-AMPH1 antibody abundance correlated positively with motor deficits.
- Increased auto-AMPH1 antibodies correlated with decreased AMPH1 protein levels in the CNS.
Conclusions:
- Auto-AMPH1 antibodies show potential as biomarkers for tau-mediated neurodegeneration progression.
- This finding could lead to improved diagnostic tools for Alzheimer's disease and related disorders.
- Further research is warranted to validate these findings in human patients.
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