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. 2021 Mar 26;15:635486. doi: 10.3389/fncel.2021.635486

Figure 1.

Figure 1

Schematic diagram of risk factors and mechanistic events that underlie the pathogenesis of Alzheimer disease (AD) and age-related macular degeneration (AMD). The question sign indicates an unknown, potentially “infectious” contributor to the downstream immunopathological cascades that are common in both AD and AMD.