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![Pathogen infection in Alzheimer's disease: pathophysiology and therapeutic strategies](https://image.oaes.cc/c73715e2-b79d-4ec9-8f60-7df4954240b9/5411.fig.2.jpg)
Figure 2. Schematic diagram of the potential mechanisms of H. pylori and P. gingivalis associated with AD pathology. BBB: Blood-brain barrier; GSK-3β: glycogen synthase kinase-3β; LRP-1: low-density lipoprotein receptor-related protein-1; NFTs: neurofibrillary tangles; PP2A: protein phosphatase-2A.