Co-cultures comprising PBS (control), subcutaneous non-T2DM ASCs + HVSMCs, subcutaneous T2DM ASCs treated with or without bFGF for 9 days + HVSMCs, and visceral T2DM ASCs treated with or without bFGF for 9 days + HVSMCs, were analysed. The gene discussed is FGF2; the disease is type 2 diabetes mellitus.