Abstract
Many proteins originally identified as cytoplasmic — including many associated with the cytoskeleton or cell junctions — are increasingly being found in the nucleus, where they have specific functions. Here, we focus on proteins that translocate from the cytoplasm to the nucleus in response to external signals and regulate transcription without binding to DNA directly (for example, through interaction with transcription factors). We propose that proteins with such characteristics are classified as a distinct group of extracellular signalling effectors, and we suggest the term STRaND (shuttling transcriptional regulators and non-DNA binding) to refer to this group. Crucial roles of STRaNDs include linking cell morphology and adhesion with changes in transcriptional programmes in response to signals such as mechanical stresses.
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Acknowledgements
This work was supported by the Ludwig Institute for Cancer Research. M.L. is supported by the Program for Professor of Special Appointment (Eastern Scholar) at Shanghai Institutions of Higher Learning (No.TP2014029) and the Samuel Waxman Cancer Research Foundation Co-PI Program. The authors thank Colin Goding for critical reading of the manuscript.
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Lu, M., Muers, M. & Lu, X. Introducing STRaNDs: shuttling transcriptional regulators that are non-DNA binding. Nat Rev Mol Cell Biol 17, 523–532 (2016). https://doi.org/10.1038/nrm.2016.41
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DOI: https://doi.org/10.1038/nrm.2016.41
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