Retinal Bacteria May Signal Alzheimer's Progress
TL;DR Summary
A Cedars-Sinai study finds Chlamydia pneumoniae in the retina—more abundant in people with Alzheimer's—where infection correlates with cognitive decline. Lab tests in neurons and animal models show infection-driven inflammation, neuron death, and amyloid-beta buildup, suggesting retinal infection could reflect brain pathology and serve as a noninvasive biomarker and potential treatment target, though causality is not proven.
- Bacteria at The Back of Your Eye May Be Linked With Alzheimer's Progress ScienceAlert
- Study Finds That Bacteria in Eye Worsens Alzheimer’s Cedars-Sinai
- Experts pinpoint bacteria in the eyes that could drive dementia - discovery heralds treatment to PREVENT deadly condition Daily Mail
- Common respiratory infection may be linked to Alzheimer’s Earth.com
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