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Fig. 5 | Respiratory Research

Fig. 5

From: Dipeptidyl peptidase-4 is highly expressed in bronchial epithelial cells of untreated asthma and it increases cell proliferation along with fibronectin production in airway constitutive cells

Fig. 5

Assay of the effect of rhDPP4 on the proliferation of BSMCs and HFL-1 cells. a Proliferative effect of rhDPP4 on BSMCs. Significant proliferation was seen with rhDPP4 at 50 and 100 ng/ml. But a proliferative effect was not observed at 500 ng/ml. *P < .005 and **P < .05, compared with no rhDPP4. b In HFL-1, a concentration-dependent proliferative effect was observed at rhDPP4 concentrations of 50 ng/ml and above. *P < .01, compared with no rhDPP4

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