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. 2019 Aug 16;10:1954. doi: 10.3389/fimmu.2019.01954

Figure 6.

Figure 6

Interdependency of the immune status and the healing outcome after bone fracture. The ratio of CD8+ effector T cells (CD8+ TEFF) to CD4+ regulatory T cells (CD4+ TReg) affects the healing outcome after bone fracture. Under normal healing conditions, the T cell ratio is balanced. An elevated amount of CD8+ TEFF relative to CD4+ TReg is unfavorable for successful healing. A shifted balance in the CD4+ TRegsb direction improves bone fracture healing.