Figure 8.

Microvessel density (MVD).(A) Photomicrograph of immunohistochemical staining of CD31 (200×); (B) MVD. a: saline control group; b: recombinant Bifidobacterium infantis containing pTRKH2-PsT plasmid group; c: recombinant Bifidobacterium infantis containing pTRKH2-PsT/sKDR plasmid group. ^*P < 0.05 vs. group a; ^▲P < 0.05 vs. group b. The arrows are directed to the vessels.