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The Wnt signaling pathway is critical in normal development, and mutation of specific components is frequently observed in carcinomas of diverse origins. However, the potential involvement of this pathway in lung tumorigenesis has not been established. In this study, analysis of multiple Wnt mRNAs in non-small cell lung cancer (NSCLC) cell lines and primary(More)
Pharmacological activators of peroxisome proliferator-activated receptor(PPAR ) inhibit growth of non–small-cell lung cancer (NSCLC) cell lines in vitro and in xenograft models. Because these agents engage off-target pathways, we have assessed the effects of PPAR by overexpressing the protein in NSCLC cells. We reported previously that increased PPAR(More)
The proliferation, differentiation, and fusion of a small number of myogenic precursor cells must be precisely regulated during development to ensure the proper size, organization, and function of the limb musculature. We have examined the role of Sonic hedgehog (Shh) in these processes by both augmentation and inhibition of the Shh-mediated signaling(More)
During embryogenesis, muscle and bone develop in close temporal and spatial proximity. We show that Indian Hedgehog, a bone-derived signaling molecule, participates in growth of skeletal muscle. In Ihh(-/-) embryos, skeletal muscle development appears abnormal at embryonic day 14.5 and at later ages through embryonic day 20.5, dramatic losses of hindlimb(More)
Pharmacological activators of peroxisome proliferator-activated receptor-gamma (PPAR(gamma)) have been shown to inhibit growth of lung tumors largely through growth inhibition and induction of apopotosis. However, since many of these agents engage other effectors, the role of (PPAR(gamma) in lung tumorigenesis remains poorly defined. To specifically examine(More)
Pharmacological activators of peroxisome proliferator-activated receptor-gamma (PPARgamma) inhibit growth of non-small-cell lung cancer (NSCLC) cell lines in vitro and in xenograft models. Because these agents engage off-target pathways, we have assessed the effects of PPARgamma by overexpressing the protein in NSCLC cells. We reported previously that(More)
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