Fig. 6From: Macrophage polarization in periodontal ligament stem cells enhanced periodontal regenerationThe effects of the conditioned medium (CM) derived from PDLSC cultures on the pro-/anti-inflammatory expression of different phenotypes of macrophages: a TNF-α, b IL-10, c Arg-1, and d iNOS. M(-), non-activated macrophages; PDLSC-CM, conditioned medium of PDLSCs. *p < 0.05Back to article page