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. 2018 Jul 17;15:16. doi: 10.1186/s12979-018-0121-z

Fig. 2.

Fig. 2

CD4 + CD57 + CD28- (2A) and CD8 + CD57 + CD28- (2B) T cell frequencies in PD and HD patients. Both CD4 + CD57 + CD28- and CD8 + CD57 + CD28- T cell frequencies are increased in HD patients suggesting enhanced replicative senescence