The Reprogramming of Tumor Stroma by HSF1 Is a Potent Enabler of Malignancy

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The Reprogramming of Tumor Stroma by HSF1 Is a Potent Enabler of Malignancy

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Title: The Reprogramming of Tumor Stroma by HSF1 Is a Potent Enabler of Malignancy
Author: Scherz-Shouval, Ruth; Santagata, Sandro; Mendillo, Marc L.; Sholl, Lynette Marie; Ben-Aharon, Irit; Beck, Andrew H; Dias-Santagata, Dora; Koeva, Martina; Stemmer, Salomon M.; Whitesell, Luke; Lindquist, Susan

Note: Order does not necessarily reflect citation order of authors.

Citation: Scherz-Shouval, Ruth, Sandro Santagata, Marc L. Mendillo, Lynette M. Sholl, Irit Ben-Aharon, Andrew H. Beck, Dora Dias-Santagata, et al. 2014. “The Reprogramming of Tumor Stroma by HSF1 Is a Potent Enabler of Malignancy.” Cell 158 (3) (July): 564–578. doi:10.1016/j.cell.2014.05.045.
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Abstract: Stromal cells within the tumor microenvironment are essential for tumor progression and metastasis. Surprisingly little is known about the factors that drive the transcriptional reprogramming of stromal cells within tumors. We report that the transcriptional regulator Heat-Shock Factor 1 (HSF1) is frequently activated in cancer-associated fibroblasts (CAFs), where it is a potent enabler of malignancy. HSF1 drives a transcriptional program in CAFs that complements, yet is completely different from, the program it drives in adjacent cancer cells. This CAF program is uniquely structured to support the malignant potential of cancer cells in a non-cell-autonomous way. Two central stromal signaling molecules—TGFβ and stromal-derived factor 1 (SDF1) – play a critical role. In early stage breast and lung cancer, high stromal HSF1 activation is strongly associated with poor patient outcome. Thus, tumors co-opt the ancient survival functions of HSF1 to orchestrate malignancy in both cell-autonomous and non-cell-autonomous ways, with far-reaching therapeutic implications.
Published Version: doi:10.1016/j.cell.2014.05.045
Other Sources: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4249939/
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:32706165
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