Injection of Matrix Metalloproteinase-9 Leads to Ventricular Remodeling

Figure 4

The morphology and distribution of myocardial collagen in Stage I (a–d) and Stage II (e–h) rats (VG staining, normal light microscope, ×200); (i) the CVF of the different groups in Stage I and Stage II. Notes: collagenous fibers are red, and muscle fibers are yellow. Results are expressed as the average magnitude of each value within a group of (/group). represents compared to the control group. # represents compared to the low-dose group.

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