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FIGURE 3. Inhibition of [125I-Tyr11]somatostatin-14 binding to cultured lung fibroblasts from IPF and control patients by somatostatin-14 and octreotide. Fibroblasts were incubated for 1 h at 37°C with [125I-Tyr11]somatostatin-14 alone (0.2 nmol/L, white bars) or in presence of somatostatin-14 (106 mol/L, hatched bars) or octreotide (106 mol/L, black bars). For each patient, results are expressed as mean ± SEM of 46 determinations of bound disintegrations per minute (dpm) normalized to 106 cells. *P < 0.05 vs. [125I-Tyr11]somatostatin alone. **P < 0.01 vs. [125I-Tyr11]somatostatin alone.