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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

Activins A, AB, and B inhibit hepatocyte growth factor synthesis by MRC-5 human lung fibroblasts.

The effect of activins A, AB, and B on hepatocyte growth factor ( HGF) synthesis stimulated by 12-O-tetradecanoylphorbol beta-acetate (TPA) was studied in MRC-5 human lung fibroblasts. Activins A, AB, and B inhibited the increase in HGF secretion induced by TPA in different dose-dependent manners and potencies. At 5 ng/ml, activins A and AB inhibited the increase approximately 30% and 10%, respectively, and at 25 ng/ml both activins produced almost maximal inhibition, i.e., approximately 40%. Activin B caused 10% inhibition at 12 ng/ml, and at 25 ng/ml produced almost maximal inhibition, approximately 30%. Further analysis with activin A indicated that the inhibition was caused by decreased HGF mRNA levels, followed by decreased cellular HGF levels. At 25 ng/ml, activin A inhibited the increase in HGF in the cellular lysate and the increase in HGF mRNA level approximately 80% and 40%, respectively.[1]

References

  1. Activins A, AB, and B inhibit hepatocyte growth factor synthesis by MRC-5 human lung fibroblasts. Niimi, S., Hyuga, M., Kazama, H., Inagawa, M., Seki, T., Ariga, T., Kobayashi, T., Hayakawa, T. Biol. Pharm. Bull. (2002) [Pubmed]
 
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