Assessing Neuroprotective Agents for Aβ-Induced Neurotoxicity
Kelly H Forest1, Robert A Nichols1
1Department of Cell & Molecular Biology, John A. Burns School of Medicine, University of Hawai'i at Manoa, Honolulu, HI, USA.
Trends in Molecular Medicine
|June 29, 2019
Summary
Alzheimer's disease (AD) involves amyloid-beta (Aβ) buildup years before diagnosis. Identifying brain neuroprotective agents offers a novel therapeutic strategy for this incurable neurodegenerative condition.
Area of Science:
- Neurodegenerative diseases
- Alzheimer's disease research
- Neuroprotection
Background:
- Alzheimer's disease (AD) is a progressive, incurable neurodegenerative disorder.
- AD pathology includes amyloid-beta (Aβ) plaques and tau tangles.
- Elevated soluble Aβ oligomers precede clinical AD diagnosis and visible pathology.
Purpose of the Study:
- To explore the potential of neuroprotective agents in treating Alzheimer's disease.
- To investigate the inherent neuroprotective mechanisms within the brain that delay Aβ-induced toxicity.
Main Methods:
- Analysis of the temporal relationship between Aβ accumulation and neurotoxicity.
- Hypothesizing the existence and role of endogenous neuroprotective systems.
- Proposing strategic approaches for identifying and utilizing neuroprotective agents.
Main Results:
- Soluble Aβ oligomers increase significantly years before AD diagnosis.
- A considerable delay exists between Aβ-induced synaptic dysfunction and overt neurotoxicity.
- This delay suggests the presence of intrinsic brain neuroprotective mechanisms.
Conclusions:
- The inherent neuroprotective systems in the brain are crucial for understanding AD progression.
- Targeting and enhancing these neuroprotective mechanisms could yield novel therapeutic strategies for AD.
- Developing neuroprotective agents represents a promising avenue for treating Alzheimer's disease.
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