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Critical Reviews™ in Oncogenesis
SJR: 0.631 SNIP: 0.503 CiteScore™: 2

ISSN Imprimer: 0893-9675
ISSN En ligne: 2162-6448

Critical Reviews™ in Oncogenesis

DOI: 10.1615/CritRevOncog.v5.i2-3.10
pages 107-120

Regulation of Normal and Transformed Tracheobronchial Epithelial Cell Proliferation by Autocrine Growth Factors

Patrice C. Ferriola
Epithelial Carcinogenesis Group, Laboratory of Pulmonary Pathobiology, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709
Paul Nettesheim
Epithelial Carcinogenesis Group, Laboratory of Pulmonary Pathobiology, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709

RÉSUMÉ

Several peptide growth factors have been identified as autocrine regulators of normal tracheobronchial epithelial cells, including the transforming growth factors alpha and beta. Using in vitro tissue culture models of multistep neoplastic transformation as well as cell lines derived from human bronchogenic tumors, a significant number of growth factors have been found to function as autocrine factors for neoplastic tracheobronchial cells as well. In several instances, the regulation of the autocrine pathway is disrupted in neoplastic tracheobroncial cells compared with their normal counterparts. These results indicate that there are multiple aberrations in growth factor pathways occurring in tracheobronchial epithelial cells during progression to the neoplastic phenotype.


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