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Immunohistochemistry for testicular transferrin in seminiferous tubuli. Transferrin immunostaining was observed at the level of Sertoli cells and in germ cells in normal rats (CO) and in cirrhotic rats treated with IGF-1 (CI + IGF) but a lower or absent transferrin immunostaining was observed in several tubuli of untreated cirrhotic rats (CI) (score, CI: 3.40 ± 0.03, CO: 3.98 ± 0.04, CI + IGF-1: 3.76 ± 0.05).
