Figure 3: Results of KLF5 and FGFBP immunohistochemical staining in different group (x400). (A) The expression situation of KLF5. a1: Infarction group, a2: Ischemia group, a3: Control group; (B) The expression situation of FGFBP. b1: Infarction group, b2: Ischemia group, b3: Control group. KLF5: Kruppel-like factor 5, FGFBP: Factor-binding protein