The striking divergence of ABCB1 mRNA expression and P-glycoprotein protein levels in M1 and M2 macrophages associates with the microRNA miR-21-3p, a regulator of "RNA binding protein, mRNA processing factor". - Hamburg K; Weiss J; Stingl JC; Theile D (Naunyn-Schmiedeberg's archives of pharmacology, 2026)