Editorial GuideCell Biology

Focus Issue: An Expanding World for TGF-β Signaling

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Sci. Signal.  18 Nov 2008:
Vol. 1, Issue 46, pp. eg8
DOI: 10.1126/scisignal.146eg8

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The complexity of the signaling network that is initiated by members of the transforming growth factor–β (TGF-β) superfamily continues to increase. In addition, Smads, which were originally identified as key transducers of TGF-β signals, are beginning to emerge as players in other TGF-β–independent processes. Perspectives in this issue, as well as highlights from a recent meeting on TGF-β and select resources from the Archives, spotlight this emerging complexity.

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