In the expression of M2-type genes, de CD206 and ARG expression was significantly up-regulated in the 0-90-45 group, showing an increasing trend of 0–90, 0-90-135, 0-90-45 ( Fig 3B ).
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3D printing of different fibres towards HA/PCL scaffolding induces macrophage polarization and promotes osteogenic differentiation of BMSCs.
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On the third day, the proliferative activity of BMSCs showed a decreasing trend of 0-90-45, 0-09-135, and 0–90.