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Wound healing assay of CMT-93 cells and CMT-93 PM with SP-D. (A) The proliferative capacities of CMT-93 PM (1) and (2) were higher than those of CMT-93 cells following treatment with SP-D (10 µg/ml). The data shown are mean ± SD. *P<0.05. (B) Representative image of cells at 0 h, and of the scraped areas of CMT-93 and CMT-93 PM (2). The line shows the length of the wound. SP-D, surfactant protein D; CMT-93 PM, CMT-93 pulmonary metastases.
