Specific objectives To compare changes in the immunophenotype and ex-vivo T-cell functional tests from samples of peripheral blood and measurement in the urine of messenger RNA for FoxP3,in kidney transplant recipients given or not syngeneic (from the recipient) MSC infusion under basiliximab/low-dose RATG induction therapy and maintenance immunosuppressive treatment with low-dose cyclosporine (CsA) plus low-dose mycophenolate mofetil (MMF).