Abstract
Transforming growth factor (TGF)-β signalling pathway recently received attention as putative therapeutic target in cancer therapy. TGF-β is dual functional in development of cancer. In early stages of tumour development, TGF-β plays tumour suppressive, and as tumour progressed, TGF-β is an oncogenic factor. Functioning as tumour suppressor, TGF-β is a potential growth inhibitor. Cancerous cells show high sensitivity to TGF-β inhibition either by depletion of TGF-β signalling components in genetic level or by perturbation of downstream signalling proteins in protein level. Intense investigations had revealed that Smad proteins constitute as core components of TGF-β intracellular cascades. Typical development of cancer often contains production of excess TGF-β which accelerates the invasion and metastasis as well as inhibiting the anti-tumoural immune responses. In order to design optimal approaches in cancer therapeutic regimes, comprehending the oncogenic function of TGF-β and function of its downstream proteins (Smads) are required. The approaches must be in the direction of inhibition of those TGF-β functions which induce metastasis phenotypes, but at the same time preserve its growth inhibitory effects. To date several anti-cancer drugs such as Genistein and several microRNAs such as microRNA-452, demonstrated the new insights in induction of tumour suppressive potential of TGF-β signalling pathways among various cancer types.
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Hasanpourghadi, M., Mustafa, M.R. (2018). TGF-β/Smad Signalling Pathway in Cancer. In: Fayyaz, S., Farooqi, A. (eds) Recent Trends in Cancer Biology: Spotlight on Signaling Cascades and microRNAs. Springer, Cham. https://doi.org/10.1007/978-3-319-71553-7_9
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