Liver function tests (GGT, AST, ALT, and ALK) and kidney function tests (BUN and creatinine) after SCF+G-CSF treatment in chronic stroke with different doses in aged mice. Blood samples were taken 4 hours after the final injection of SCF+G-CSF or saline. Noting that all biochemicals are not increased by SCF+G-CSF in any dose compared to saline controls. N=5. Mean ± SE.