Fig. 2From: Diabetic microenvironment preconditioning of adipose tissue-derived mesenchymal stem cells enhances their anti-diabetic, anti-long-term complications, and anti-inflammatory effects in type 2 diabetic ratsRepresentative of iNOS-positive or Arg1-positive cells in co-cultured M1 macrophages with control, LPS, ADSCs and pre-ADSCs by optical microscope, immunofluorescence and quantification of iNOS-positive or Arg1-positive cells; bars = 50 μm (A–C). Quantitative reverse transcriptase polymerase chain reaction analysis of gene expression in the control, LPS, ADSCs and pre-ADSCs groups (D); *P < 0.05, **P < 0.01Back to article page