Surface antigens of MSC-like cells from renal AML. Representative FACS analysis demonstrated positivity for MSC markers CD29, CD44, CD73, CD90, CD105 and CD166, but negativity for CD14, CD31, CD34, CD45, CD144 and HLA-DR. Dark lines indicate the isotypic control. FITC, fluorescein isothiocyanate; PE, phycoerythrin. MSC, mesenchymal stem cells; AML, angiomyolipoma.