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. 2019 May 28;10:579. doi: 10.3389/fphar.2019.00579

FIGURE 2.

FIGURE 2

PB-MSCs efficiently promoted M0-type polarization toward M2 type. (A–E) M1 (i.e., iNOS and TNFα) or M2 (i.e., CD206 and Arg-1) type typical markers were evaluated by flow cytometry in M0-type macrophages following co-culture with either PB-MSCs or BM-MSCs using the Transwell system for 3 days. (F–I) The expression of pro-inflammatory (e.g., IL-6 and IL-1β) and anti-inflammatory (e.g., IL-10 and CCL-22) factors was determined by using a real-time PCR in M0 macrophage co-cultured with either PB-MSCs or BM-MSCs for 3 days. (J,K) The levels of pro-inflammatory cytokine (e.g., TNFα) and anti-inflammatory cytokine (e.g., IL-10) factors were detected by using ELISA in supernatants of M0 macrophages co-cultured with either PB-MSCs or BM-MSCs for 3 days. n = 5, #p < 0.05, vs. M0 co-cultured without either PB-MSCs or BM-MSCs, ∗p < 0.01, vs. M0 co-cultured with either PB-MSCs.