What we can learn from animal models about cerebral multi-morbidity

Area of Science:

• Neuroscience
• Pathology
• Genetics

Background:

• Late-onset neurodegenerative diseases like Alzheimer's and Parkinson's are linked to protein-folding disorders.
• Hallmark lesions in Alzheimer's include amyloid-β plaques and tau tangles.
• Proteins like α-synuclein aggregate in Parkinson's and are also found in Alzheimer's, indicating disease overlap.

Purpose of the Study:

• To review the role of transgenic animal models in understanding cerebral co-morbidity.
• To elucidate the mechanisms behind protein interactions in neurodegenerative diseases.
• To explore insights from various animal models, including senescence-accelerated mice.

Main Methods:

• Review of existing literature on transgenic animal models.
• Analysis of vertebrate and invertebrate models.
• Inclusion of data from non-transgenic senescence-accelerated mouse-prone models.

Main Results:

• Transgenic animal models provide mechanistic insights into protein-folding disorders.
• Interactions between disease-specific proteins accelerate neurodegeneration.
• Cerebral co-morbidity is prevalent, with overlapping neuropathological lesions.

Conclusions:

• Animal models are crucial for understanding the complex interplay of proteins in neurodegenerative diseases.
• Understanding these interactions is key to addressing the challenges of aging brain disorders.
• Further research using diverse models will enhance our knowledge of cerebral multi-morbidity.