The expression of hepatocyte growth factor (HGF) and its receptor, c-Met, was investigated immunohistologically in tissue specimens of patients with a pulmonary adenocarcinoma. The prognosis was significantly worse in the HGF-positive or c-Met-positive patients than in the negative patients. Multivariate analysis showed that c-Met had a significant effect on the prognosis, whereas HGF did not. Our findings suggest that HGF and c-Met play an important role in tumor progression and that c-Met can be a useful prognostic marker for pulmonary adenocarcinomas.
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Takanami et al. (2009) studied this question.
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