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. 2018 Apr 3;37:77. doi: 10.1186/s13046-018-0726-2

Fig. 7.

Fig. 7

A schematic of radiotherapy induced cell death activates paracrine HMGB1-TLR2 signaling and accelerates pancreatic carcinoma metastasis. Radiotherapy induced the cancer cells’ death. HMGB1 is released by dying cells and binds specific receptor TLR2. HMGB1/TLR2 stimulates phosphorylation of PI3K/Akt and EMT in a paracrine manner, which promotes the metastasis of cancer cells to the lung