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. 2020 Jan 3;18(1):171–181. doi: 10.1038/s41423-019-0353-7

Fig. 6. The proposed molecular network for age-related thymic involution.

Fig. 6

TGFβ is an important factor that triggers the EMT process in TECs through the p-Smad2/FoxC2 signaling pathway, and the interaction of CD147 on T cells with Annexin A2 on TECs accelerates the EMT process in TECs via the Src/p-E-cadherin signaling pathway.