Surface Functionalization of 3D-Printed Porous Ti-6Al-4V Scaffolds with PDA‑mHA-Col I Composite Coating Drives Macrophage Polarization toward the M2 Phenotype and Promotes Immunomodulation: An In Vitro Study. - Han X; Yuan H; Xiao Y; Tang Z; Tian G; Gao J; Cai Q; Lin L; Xu X (Current gene therapy, 2026)