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. 2023 Jun 15;15:25. doi: 10.1038/s41368-023-00227-2

Fig. 1.

Fig. 1

Mechanism by which periodontitis promotes T2D occurrence and development. Periodontitis-derived virulence factors can enter blood circulation through the deep periodontal pocket or through the gastrointestinal tract and lead to β-cell dysfunction in the pancreas and abnormal glucose and lipid metabolism in peripheral insulin-targeting tissues, such as the liver, visceral adipose tissue, and skeletal muscle