Transforming growth factor beta (TGF-β) and inflammation in cancer |
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| Authors: | Brian Bierie Harold L Moses |
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| Institution: | 1. Department of Cancer Biology, Vanderbilt University, Nashville, TN, USA;2. Department of Medicine, Vanderbilt University, Nashville, TN, USA;3. Vanderbilt-Ingram Cancer Center, Vanderbilt University, Nashville, TN, USA;1. Harvard Medical School, Boston, MA 02115, USA;2. Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, USA;3. Department of Microbiology & Immunology, University of Miami Miller School of Medicine, Miami, FL 33136, USA;4. Department of Pathology, University of Miami Miller School of Medicine, Miami, FL 33136, USA;5. Department of Basic Sciences, Charles E. Schmidt College of Medicine, Florida Atlantic University, Boca Raton, FL 33431, USA;1. First Department of Medicine, S. Matteo Hospital, University of Pavia, Pavia, Italy;2. Centre for Immunology and Infectious Disease, Blizard Institute, Barts and the London School of Medicine and Dentistry, London, UK;3. Laboratorio de Inmunología y Fisiopatología, University of La Plata, La Plata, Argentina;1. Department of Cell and Tissue Biology, and Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California at San Francisco, San Francisco, CA 94143, USA;2. Whitehead Institute for Biomedical Research, MIT Ludwig Center for Molecular Oncology, and Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02142, USA;1. School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju 61005, Republic of Korea;2. Department of Biomedical Science and Engineering, Gwangju Institute of Science and Technology, Gwangju 61005, Republic of Korea;3. School of Liberal Arts and Sciences, Gwangju Institute of Science and Technology, Gwangju 61005, Republic of Korea;4. Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA |
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| Abstract: | The transforming growth factor beta (TGF-β) has been studied with regard to the regulation of cell behavior for over three decades. A large body of research has been devoted to the regulation of epithelial cell and derivative carcinoma cell populations in vitro and in vivo. TGF-β has been shown to inhibit epithelial cell cycle progression and promote apoptosis that together significantly contribute to the tumor suppressive role for TGF-β during carcinoma initiation and progression. TGF-β is also able to promote an epithelial to mesenchymal transition that has been associated with increased tumor cell motility, invasion and metastasis. However, it has now been shown that loss of carcinoma cell responsiveness to TGF-β stimulation can also promote metastasis. Interestingly, enhanced metastasis in the absence of a carcinoma cell response to TGF-β stimulation has been shown to involve increased chemokine production resulting in recruitment of pro-metastatic myeloid derived suppressor cell (MDSC) populations to the tumor microenvironment at the leading invasive edge. When present, MDSCs enhance angiogenesis, promote immune tolerance and provide matrix degrading enzymes that promote tumor progression and metastasis. Further, the recruitment of MDSC populations in this context likely enhances the classic role for TGF-β in immune suppression since the MDSCs are an abundant source of TGF-β production. Importantly, it is now clear that carcinoma-immune cell cross-talk initiated by TGF-β signaling within the carcinoma cell is a significant determinant worth consideration when designing therapeutic strategies to manage tumor progression and metastasis. |
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