Human Tissue Kallikrein 1 Is Downregulated in Elderly Human Prostates and Possesses Potential In Vitro Antioxidative and Antifibrotic Effects in Rodent Prostates

Figure 4

Expression of KLK1 in prostate surgical specimens of patients with BPH and correlation among KLK1, age, and prostate fibrosis. (a, b) Representative IHC photos of KLK1 and Masson photos in different ages of BPH patients, respectively (magnification ×100). (c–e) Pairwise correlations between KLK1 AOD, age, and the area ratio of collagen (), respectively.

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