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Fibrosis: from mechanisms to medicines

Abstract

Fibrosis can affect any organ and is responsible for up to 45% of all deaths in the industrialized world. It has long been thought to be relentlessly progressive and irreversible, but both preclinical models and clinical trials in various organ systems have shown that fibrosis is a highly dynamic process. This has clear implications for therapeutic interventions that are designed to capitalize on this inherent plasticity. However, despite substantial progress in our understanding of the pathobiology of fibrosis, a translational gap remains between the identification of putative antifibrotic targets and conversion of this knowledge into effective treatments in humans. Here we discuss the transformative experimental strategies that are being leveraged to dissect the key cellular and molecular mechanisms that regulate fibrosis, and the translational approaches that are enabling the emergence of precision medicine-based therapies for patients with fibrosis.

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Fig. 1: Deconvolving fibrosis using multi-modal single-cell approaches.
Fig. 2: Functional heterogeneity and plasticity of fibroblasts.
Fig. 3: Metabolomic reprogramming of activated fibroblasts.
Fig. 4: Divergent cytokine pathways drive fibrosis.
Fig. 5: Challenges and solutions in the translation of antifibrotic mechanisms into drugs.

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References

  1. Eming, S. A., Martin, P. & Tomic-Canic, M. Wound repair and regeneration: mechanisms, signaling, and translation. Sci. Transl. Med. 6, 265sr6 (2014).

    PubMed  PubMed Central  Google Scholar 

  2. Allen, R. J. et al. Genetic variants associated with susceptibility to idiopathic pulmonary fibrosis in people of European ancestry: a genome-wide association study. Lancet Respir. Med. 5, 869–880 (2017).

    CAS  PubMed  PubMed Central  Google Scholar 

  3. Kim, H. Y. et al. Genotype-related clinical characteristics and myocardial fibrosis and their association with prognosis in hypertrophic cardiomyopathy. J. Clin. Med. 9, E1671 (2020).

    PubMed  Google Scholar 

  4. Young, C. N. J. et al. Total absence of dystrophin expression exacerbates ectopic myofiber calcification and fibrosis and alters macrophage infiltration patterns. Am. J. Pathol. 190, 190–205 (2020).

    CAS  PubMed  Google Scholar 

  5. Schiller, H. B. et al. The Human Lung Cell Atlas: a high-resolution reference map of the human lung in health and disease. Am. J. Respir. Cell Mol. Biol. 61, 31–41 (2019).

    CAS  PubMed  PubMed Central  Google Scholar 

  6. Zepp, J. A. et al. Distinct mesenchymal lineages and niches promote epithelial self-renewal and myofibrogenesis in the lung. Cell 170, 1134–1148 (2017).

    CAS  PubMed  PubMed Central  Google Scholar 

  7. Xie, T. et al. Single-cell deconvolution of fibroblast heterogeneity in mouse pulmonary fibrosis. Cell Rep. 22, 3625–3640 (2018).

    CAS  PubMed  PubMed Central  Google Scholar 

  8. Peyser, R. et al. Defining the activated fibroblast population in lung fibrosis using single-cell sequencing. Am. J. Respir. Cell Mol. Biol. 61, 74–85 (2019).

    CAS  PubMed  Google Scholar 

  9. Tsukui, T. et al. Collagen-producing lung cell atlas identifies multiple subsets with distinct localization and relevance to fibrosis. Nat. Commun. 11, 1920 (2020).

    ADS  CAS  PubMed  PubMed Central  Google Scholar 

  10. Reyfman, P. A. et al. Single-cell transcriptomic analysis of human lung provides insights into the pathobiology of pulmonary fibrosis. Am. J. Respir. Crit. Care Med. 199, 1517–1536 (2019).

    CAS  PubMed  PubMed Central  Google Scholar 

  11. Misharin, A. V. et al. Monocyte-derived alveolar macrophages drive lung fibrosis and persist in the lung over the life span. J. Exp. Med. 214, 2387–2404 (2017).

    CAS  PubMed  PubMed Central  Google Scholar 

  12. Xu, Y. et al. Single-cell RNA sequencing identifies diverse roles of epithelial cells in idiopathic pulmonary fibrosis. JCI Insight 1, e90558 (2016).

    PubMed  PubMed Central  Google Scholar 

  13. Wu, H. et al. Progressive pulmonary fibrosis is caused by elevated mechanical tension on alveolar stem cells. Cell 180, 107–121 (2020).

    CAS  PubMed  Google Scholar 

  14. Adams, T. S. et al. Single cell RNA-seq reveals ectopic and aberrant lung resident cell populations in idiopathic pulmonary fibrosis. Sci. Adv. 6, eaba1983 (2019).

    Google Scholar 

  15. Halpern, K. B. et al. Single-cell spatial reconstruction reveals global division of labour in the mammalian liver. Nature 542, 352–356 (2017).

    ADS  CAS  PubMed  PubMed Central  Google Scholar 

  16. MacParland, S. A. et al. Single cell RNA sequencing of human liver reveals distinct intrahepatic macrophage populations. Nat. Commun. 9, 4383 (2018).

    ADS  PubMed  PubMed Central  Google Scholar 

  17. Aizarani, N. et al. A human liver cell atlas reveals heterogeneity and epithelial progenitors. Nature 572, 199–204 (2019).

    CAS  PubMed  PubMed Central  Google Scholar 

  18. Halpern, K. B. et al. Paired-cell sequencing enables spatial gene expression mapping of liver endothelial cells. Nat. Biotechnol. 36, 962–970 (2018).

    CAS  PubMed  PubMed Central  Google Scholar 

  19. Friedman, S. L., Roll, F. J., Boyles, J. & Bissell, D. M. Hepatic lipocytes: the principal collagen-producing cells of normal rat liver. Proc. Natl Acad. Sci. USA 82, 8681–8685 (1985).

    ADS  CAS  PubMed  PubMed Central  Google Scholar 

  20. Dobie, R. et al. Single-cell transcriptomics uncovers zonation of function in the mesenchyme during liver fibrosis. Cell Rep. 29, 1832–1847 (2019).

    CAS  PubMed  PubMed Central  Google Scholar 

  21. Krenkel, O., Hundertmark, J., Ritz, T. P., Weiskirchen, R. & Tacke, F. Single cell RNA sequencing identifies subsets of hepatic stellate cells and myofibroblasts in liver fibrosis. Cells 8, E503 (2019).

    PubMed  Google Scholar 

  22. Ramachandran, P. et al. Resolving the fibrotic niche of human liver cirrhosis at single-cell level. Nature 575, 512–518 (2019). This study dissected unanticipated aspects of the cellular and molecular basis of human liver fibrosis at a single-cell level, providing a framework for the discovery of rational therapeutic targets in liver cirrhosis.

    ADS  CAS  PubMed  PubMed Central  Google Scholar 

  23. Vento-Tormo, R. et al. Single-cell reconstruction of the early maternal–fetal interface in humans. Nature 563, 347–353 (2018).

    ADS  CAS  PubMed  Google Scholar 

  24. Efremova, M. & Teichmann, S. A. Computational methods for single-cell omics across modalities. Nat. Methods 17, 14–17 (2020).

    CAS  PubMed  Google Scholar 

  25. Butler, A., Hoffman, P., Smibert, P., Papalexi, E. & Satija, R. Integrating single-cell transcriptomic data across different conditions, technologies, and species. Nat. Biotechnol. 36, 411–420 (2018).

    CAS  PubMed  PubMed Central  Google Scholar 

  26. Ratziu, V. & Friedman, S. L. Why do so many NASH trials fail? Gastroenterology https://doi.org/10.1053/j.gastro.2020.05.046 (2020).

  27. Kinchen, J. et al. Structural remodeling of the human colonic mesenchyme in inflammatory bowel disease. Cell 175, 372–386 (2018).

    CAS  PubMed  PubMed Central  Google Scholar 

  28. Croft, A. P. et al. Distinct fibroblast subsets drive inflammation and damage in arthritis. Nature 570, 246–251 (2019). This study uncovered anatomically discrete, functionally distinct subsets of fibroblasts in the context of arthritis.

    ADS  CAS  PubMed  PubMed Central  Google Scholar 

  29. Kirita, Y., Wu, H., Uchimura, K., Wilson, P. C. & Humphreys, B. D. Cell profiling of mouse acute kidney injury reveals conserved cellular responses to injury. Proc. Natl Acad. Sci. USA 117, 15874–15883 (2020).

    CAS  PubMed  PubMed Central  Google Scholar 

  30. Kuppe, C. et al. Decoding myofibroblast origins in human kidney fibrosis. Nature (in the press, 2020).

  31. Der, E. et al. Tubular cell and keratinocyte single-cell transcriptomics applied to lupus nephritis reveal type I IFN and fibrosis relevant pathways. Nat. Immunol. 20, 915–927 (2019).

    CAS  PubMed  PubMed Central  Google Scholar 

  32. Driskell, R. R. et al. Distinct fibroblast lineages determine dermal architecture in skin development and repair. Nature 504, 277–281 (2013).

    ADS  CAS  PubMed  PubMed Central  Google Scholar 

  33. Rinkevich, Y. et al. Skin fibrosis. Identification and isolation of a dermal lineage with intrinsic fibrogenic potential. Science 348, aaa2151 (2015).

    PubMed  PubMed Central  Google Scholar 

  34. Guerrero-Juarez, C. F. et al. Single-cell analysis reveals fibroblast heterogeneity and myeloid-derived adipocyte progenitors in murine skin wounds. Nat. Commun. 10, 650 (2019).

    ADS  CAS  PubMed  PubMed Central  Google Scholar 

  35. Bergmeier, V. et al. Identification of a myofibroblast-specific expression signature in skin wounds. Matrix Biol. 65, 59–74 (2018).

    CAS  PubMed  Google Scholar 

  36. Correa-Gallegos, D. et al. Patch repair of deep wounds by mobilized fascia. Nature 576, 287–292 (2019). This work identified a specialized subset of fibroblasts, fascia fibroblasts, which gather the surrounding ECM and then rise to the surface of the skin after wounding.

    CAS  PubMed  Google Scholar 

  37. Shook, B. A. et al. Myofibroblast proliferation and heterogeneity are supported by macrophages during skin repair. Science 362, eaar2971 (2018).

    PubMed  PubMed Central  Google Scholar 

  38. Montero-Melendez, T. et al. Therapeutic senescence via GPCR activation in synovial fibroblasts facilitates resolution of arthritis. Nat. Commun. 11, 745 (2020).

    ADS  CAS  PubMed  PubMed Central  Google Scholar 

  39. Schafer, M. J., Haak, A. J., Tschumperlin, D. J. & LeBrasseur, N. K. Targeting senescent cells in fibrosis: pathology, paradox, and practical considerations. Curr. Rheumatol. Rep. 20, 3 (2018).

    PubMed  Google Scholar 

  40. Amor, C. et al. Senolytic CAR T cells reverse senescence-associated pathologies. Nature 583, 127–132 (2020).

    ADS  CAS  PubMed  PubMed Central  Google Scholar 

  41. Hickson, L. J. et al. Senolytics decrease senescent cells in humans: preliminary report from a clinical trial of Dasatinib plus Quercetin in individuals with diabetic kidney disease. EBioMedicine 47, 446–456 (2019).

    PubMed  PubMed Central  Google Scholar 

  42. Schneider, R. K. et al. Gli1+ mesenchymal stromal cells are a key driver of bone marrow fibrosis and an important cellular therapeutic target. Cell Stem Cell 23, 308–309 (2018).

    CAS  PubMed  Google Scholar 

  43. El Agha, E. et al. Two-way conversion between lipogenic and myogenic fibroblastic phenotypes marks the progression and resolution of lung fibrosis. Cell Stem Cell 20, 261–273 (2017).

    CAS  PubMed  Google Scholar 

  44. Scott, R. W., Arostegui, M., Schweitzer, R., Rossi, F. M. V. & Underhill, T. M. Hic1 defines quiescent mesenchymal progenitor subpopulations with distinct functions and fates in skeletal muscle regeneration. Cell Stem Cell 25, 797–813 (2019).

    CAS  PubMed  PubMed Central  Google Scholar 

  45. Soliman, H. et al. Pathogenic potential of Hic1-expressing cardiac stromal progenitors. Cell Stem Cell 26, 459–461 (2020).

    CAS  PubMed  Google Scholar 

  46. Mahmoudi, S. et al. Heterogeneity in old fibroblasts is linked to variability in reprogramming and wound healing. Nature 574, 553–558 (2019).

    ADS  CAS  PubMed  PubMed Central  Google Scholar 

  47. Kisseleva, T. et al. Myofibroblasts revert to an inactive phenotype during regression of liver fibrosis. Proc. Natl Acad. Sci. USA 109, 9448–9453 (2012).

    ADS  CAS  PubMed  PubMed Central  Google Scholar 

  48. Troeger, J. S. et al. Deactivation of hepatic stellate cells during liver fibrosis resolution in mice. Gastroenterology 143, 1073–1083 (2012).

    CAS  PubMed  Google Scholar 

  49. Wohlfahrt, T. et al. PU.1 controls fibroblast polarization and tissue fibrosis. Nature 566, 344–349 (2019).

    ADS  CAS  PubMed  PubMed Central  Google Scholar 

  50. Plikus, M. V. et al. Regeneration of fat cells from myofibroblasts during wound healing. Science 355, 748–752 (2017).

    ADS  CAS  PubMed  PubMed Central  Google Scholar 

  51. Song, G. et al. Direct reprogramming of hepatic myofibroblasts into hepatocytes in vivo attenuates liver fibrosis. Cell Stem Cell 18, 797–808 (2016).

    CAS  PubMed  Google Scholar 

  52. Rezvani, M. et al. In vivo hepatic reprogramming of myofibroblasts with AAV vectors as a therapeutic strategy for liver fibrosis. Cell Stem Cell 18, 809–816 (2016).

    CAS  PubMed  PubMed Central  Google Scholar 

  53. Aghajanian, H. et al. Targeting cardiac fibrosis with engineered T cells. Nature 573, 430–433 (2019).

    ADS  CAS  PubMed  PubMed Central  Google Scholar 

  54. Pereira, B. I. et al. Senescent cells evade immune clearance via HLA-E-mediated NK and CD8+ T cell inhibition. Nat. Commun. 10, 2387 (2019).

    ADS  PubMed  PubMed Central  Google Scholar 

  55. Pakshir, P. & Hinz, B. The big five in fibrosis: macrophages, myofibroblasts, matrix, mechanics, and miscommunication. Matrix Biol. 68-69, 81–93 (2018).

    CAS  PubMed  Google Scholar 

  56. Januszyk, M. et al. Mechanical offloading of incisional wounds is associated with transcriptional downregulation of inflammatory pathways in a large animal model. Organogenesis 10, 186–193 (2014).

    PubMed  PubMed Central  Google Scholar 

  57. Froese, A. R. et al. Stretch-induced activation of transforming growth factor-β1 in pulmonary fibrosis. Am. J. Respir. Crit. Care Med. 194, 84–96 (2016).

    CAS  PubMed  Google Scholar 

  58. Lindsey, M. L., Iyer, R. P., Jung, M., DeLeon-Pennell, K. Y. & Ma, Y. Matrix metalloproteinases as input and output signals for post-myocardial infarction remodeling. J. Mol. Cell. Cardiol. 91, 134–140 (2016).

    CAS  PubMed  Google Scholar 

  59. Craig, V. J., Zhang, L., Hagood, J. S. & Owen, C. A. Matrix metalloproteinases as therapeutic targets for idiopathic pulmonary fibrosis. Am. J. Respir. Cell Mol. Biol. 53, 585–600 (2015).

    CAS  PubMed  PubMed Central  Google Scholar 

  60. Lundberg, E. & Borner, G. H. H. Spatial proteomics: a powerful discovery tool for cell biology. Nat. Rev. Mol. Cell Biol. 20, 285–302 (2019).

    CAS  PubMed  Google Scholar 

  61. Schwabe, R. F., Tabas, I. & Pajvani, U. B. Mechanisms of fibrosis development in nonalcoholic steatohepatitis. Gastroenterology 158, 1913–1928 (2020).

    CAS  PubMed  Google Scholar 

  62. Xie, N. et al. Glycolytic reprogramming in myofibroblast differentiation and lung fibrosis. Am. J. Respir. Crit. Care Med. 192, 1462–1474 (2015).

    CAS  PubMed  PubMed Central  Google Scholar 

  63. Faubert, B. et al. Lactate metabolism in human lung tumors. Cell 171, 358–371 (2017).

    CAS  PubMed  PubMed Central  Google Scholar 

  64. Kottmann, R. M. et al. Lactic acid is elevated in idiopathic pulmonary fibrosis and induces myofibroblast differentiation via pH-dependent activation of transforming growth factor-β. Am. J. Respir. Crit. Care Med. 186, 740–751 (2012).

    CAS  PubMed  PubMed Central  Google Scholar 

  65. Liu, G. & Summer, R. Cellular metabolism in lung health and disease. Annu. Rev. Physiol. 81, 403–428 (2019).

    CAS  PubMed  Google Scholar 

  66. Nigdelioglu, R. et al. Transforming growth factor (TGF)-β promotes de novo serine synthesis for collagen production. J. Biol. Chem. 291, 27239–27251 (2016).

    CAS  PubMed  PubMed Central  Google Scholar 

  67. Park, S. Y., Le, C. T., Sung, K. Y., Choi, D. H. & Cho, E. H. Succinate induces hepatic fibrogenesis by promoting activation, proliferation, and migration, and inhibiting apoptosis of hepatic stellate cells. Biochem. Biophys. Res. Commun. 496, 673–678 (2018).

    CAS  PubMed  Google Scholar 

  68. Lian, N. et al. Curcumin regulates cell fate and metabolism by inhibiting hedgehog signaling in hepatic stellate cells. Lab. Invest. 95, 790–803 (2015).

    CAS  PubMed  Google Scholar 

  69. Ding, H. et al. Inhibiting aerobic glycolysis suppresses renal interstitial fibroblast activation and renal fibrosis. Am. J. Physiol. Renal Physiol. 313, F561–F575 (2017).

    CAS  PubMed  Google Scholar 

  70. Wei, Q. et al. Glycolysis inhibitors suppress renal interstitial fibrosis via divergent effects on fibroblasts and tubular cells. Am. J. Physiol. Renal Physiol. 316, F1162–F1172 (2019).

    CAS  PubMed  PubMed Central  Google Scholar 

  71. Ge, J. et al. Glutaminolysis promotes collagen translation and stability via α-ketoglutarate-mediated mTOR activation and proline hydroxylation. Am. J. Respir. Cell Mol. Biol. 58, 378–390 (2018).

    CAS  PubMed  PubMed Central  Google Scholar 

  72. Bai, L. et al. Glutaminolysis epigenetically regulates antiapoptotic gene expression in idiopathic pulmonary fibrosis fibroblasts. Am. J. Respir. Cell Mol. Biol. 60, 49–57 (2019).

    CAS  PubMed  PubMed Central  Google Scholar 

  73. Cui, H. et al. Inhibition of glutaminase 1 attenuates experimental pulmonary fibrosis. Am. J. Respir. Cell Mol. Biol. 61, 492–500 (2019).

    CAS  PubMed  PubMed Central  Google Scholar 

  74. Kang, H. M. et al. Defective fatty acid oxidation in renal tubular epithelial cells has a key role in kidney fibrosis development. Nat. Med. 21, 37–46 (2015). This study elegantly links abnormal fatty acid oxidation to fibrogenesis.

    CAS  PubMed  Google Scholar 

  75. Luengo, A., Gui, D. Y. & Vander Heiden, M. G. Targeting metabolism for cancer therapy. Cell Chem. Biol. 24, 1161–1180 (2017).

    CAS  PubMed  PubMed Central  Google Scholar 

  76. Wynn, T. A. & Vannella, K. M. Macrophages in tissue repair, regeneration, and fibrosis. Immunity 44, 450–462 (2016).

    CAS  PubMed  PubMed Central  Google Scholar 

  77. Vannella, K. M. & Wynn, T. A. Mechanisms of organ injury and repair by macrophages. Annu. Rev. Physiol. 79, 593–617 (2017).

    CAS  PubMed  Google Scholar 

  78. Krenkel, O. & Tacke, F. Liver macrophages in tissue homeostasis and disease. Nat. Rev. Immunol. 17, 306–321 (2017).

    CAS  PubMed  Google Scholar 

  79. Chakarov, S. et al. Two distinct interstitial macrophage populations coexist across tissues in specific subtissular niches. Science 363, eaau0964 (2019).

    CAS  PubMed  Google Scholar 

  80. Guilliams, M., Thierry, G. R., Bonnardel, J. & Bajenoff, M. Establishment and maintenance of the macrophage niche. Immunity 52, 434–451 (2020).

    CAS  PubMed  Google Scholar 

  81. Lavine, K. J. et al. Distinct macrophage lineages contribute to disparate patterns of cardiac recovery and remodeling in the neonatal and adult heart. Proc. Natl Acad. Sci. USA 111, 16029–16034 (2014).

    ADS  CAS  PubMed  PubMed Central  Google Scholar 

  82. Duffield, J. S. et al. Selective depletion of macrophages reveals distinct, opposing roles during liver injury and repair. J. Clin. Invest. 115, 56–65 (2005).

    CAS  PubMed  PubMed Central  Google Scholar 

  83. Borthwick, L. A. et al. Macrophages are critical to the maintenance of IL-13-dependent lung inflammation and fibrosis. Mucosal Immunol. 9, 38–55 (2016).

    CAS  PubMed  Google Scholar 

  84. Satoh, T. et al. Identification of an atypical monocyte and committed progenitor involved in fibrosis. Nature 541, 96–101 (2017).

    ADS  CAS  PubMed  Google Scholar 

  85. Bajpai, G. et al. The human heart contains distinct macrophage subsets with divergent origins and functions. Nat. Med. 24, 1234–1245 (2018).

    CAS  PubMed  PubMed Central  Google Scholar 

  86. Aran, D. et al. Reference-based analysis of lung single-cell sequencing reveals a transitional profibrotic macrophage. Nat. Immunol. 20, 163–172 (2019).

    CAS  PubMed  PubMed Central  Google Scholar 

  87. Dick, S. A. et al. Self-renewing resident cardiac macrophages limit adverse remodeling following myocardial infarction. Nat. Immunol. 20, 29–39 (2019).

    CAS  PubMed  Google Scholar 

  88. Wang, J. & Kubes, P. A reservoir of mature cavity macrophages that can rapidly invade visceral organs to affect tissue repair. Cell 165, 668–678 (2016).

    CAS  PubMed  Google Scholar 

  89. Deniset, J. F. et al. Gata6+ pericardial cavity macrophages relocate to the injured heart and prevent cardiac fibrosis. Immunity 51, 131–140 (2019).

    CAS  PubMed  PubMed Central  Google Scholar 

  90. Adler, M. et al. Principles of cell circuits for tissue repair and fibrosis. iScience 23, 100841 (2020).

    ADS  CAS  PubMed  PubMed Central  Google Scholar 

  91. Henderson, N. C. et al. Galectin-3 expression and secretion links macrophages to the promotion of renal fibrosis. Am. J. Pathol. 172, 288–298 (2008).

    CAS  PubMed  PubMed Central  Google Scholar 

  92. Zhou, X. et al. Circuit design features of a stable two-cell system. Cell 172, 744–757 (2018).

    CAS  PubMed  PubMed Central  Google Scholar 

  93. Lodyga, M. et al. Cadherin-11-mediated adhesion of macrophages to myofibroblasts establishes a profibrotic niche of active TGFβ. Sci. Signal. 12, eaao3469 (2019).

    CAS  PubMed  Google Scholar 

  94. Minutti, C. M. et al. A macrophage-pericyte axis directs tissue restoration via amphiregulin-induced transforming growth factor beta activation. Immunity 50, 645–654 (2019).

    CAS  PubMed  PubMed Central  Google Scholar 

  95. Pakshir, P. et al. Dynamic fibroblast contractions attract remote macrophages in fibrillar collagen matrix. Nat. Commun. 10, 1850 (2019).

    ADS  PubMed  PubMed Central  Google Scholar 

  96. Diebold, R. J. et al. Early-onset multifocal inflammation in the transforming growth factor beta 1-null mouse is lymphocyte mediated. Proc. Natl Acad. Sci. USA 92, 12215–12219 (1995).

    ADS  CAS  PubMed  PubMed Central  Google Scholar 

  97. McEntee, C. P., Gunaltay, S. & Travis, M. A. Regulation of barrier immunity and homeostasis by integrin-mediated transforming growth factor β activation. Immunology 160, 139–148 (2020).

    CAS  PubMed  Google Scholar 

  98. Kelly, A. et al. Human monocytes and macrophages regulate immune tolerance via integrin αvβ8-mediated TGFβ activation. J. Exp. Med. 215, 2725–2736 (2018).

    CAS  PubMed  PubMed Central  Google Scholar 

  99. Barczyk, M., Carracedo, S. & Gullberg, D. Integrins. Cell Tissue Res. 339, 269–280 (2010).

    CAS  PubMed  Google Scholar 

  100. Hynes, R. O. Integrins: bidirectional, allosteric signaling machines. Cell 110, 673–687 (2002).

    CAS  PubMed  Google Scholar 

  101. Robertson, I. B. & Rifkin, D. B. Regulation of the bioavailability of TGFβ and TGFβ-related proteins. Cold Spring Harb. Perspect. Biol. 8, a021907 (2016).

    PubMed  PubMed Central  Google Scholar 

  102. Reed, N. I. et al. The αvβ1 integrin plays a critical in vivo role in tissue fibrosis. Sci. Transl. Med. 7, 288ra79 (2015).

    PubMed  PubMed Central  Google Scholar 

  103. Munger, J. S. et al. A mechanism for regulating pulmonary inflammation and fibrosis: the integrin αvβ6 binds and activates latent TGFβ1. Cell 96, 319–328 (1999).

    CAS  PubMed  Google Scholar 

  104. Wipff, P. J., Rifkin, D. B., Meister, J. J. & Hinz, B. Myofibroblast contraction activates latent TGFβ1 from the extracellular matrix. J. Cell Biol. 179, 1311–1323 (2007).

    CAS  PubMed  PubMed Central  Google Scholar 

  105. Shi, M. et al. Latent TGFβ structure and activation. Nature 474, 343–349 (2011).

    CAS  PubMed  PubMed Central  Google Scholar 

  106. Dong, X. et al. Force interacts with macromolecular structure in activation of TGFβ. Nature 542, 55–59 (2017).

    ADS  CAS  PubMed  PubMed Central  Google Scholar 

  107. Dong, X., Hudson, N. E., Lu, C. & Springer, T. A. Structural determinants of integrin β-subunit specificity for latent TGFβ. Nat. Struct. Mol. Biol. 21, 1091–1096 (2014).

    CAS  PubMed  PubMed Central  Google Scholar 

  108. Campbell, M. G. et al. Cryo-EM reveals integrin-mediated TGFβ activation without release from latent TGFβ. Cell 180, 490–501 (2020).

    CAS  PubMed  PubMed Central  Google Scholar 

  109. Hahm, K. et al. αvβ6 integrin regulates renal fibrosis and inflammation in Alport mouse. Am. J. Pathol. 170, 110–125 (2007).

    CAS  PubMed  PubMed Central  Google Scholar 

  110. Wang, B. et al. Role of αvβ6 integrin in acute biliary fibrosis. Hepatology 46, 1404–1412 (2007).

    CAS  PubMed  Google Scholar 

  111. Peng, Z. W. et al. Integrin αvβ6 critically regulates hepatic progenitor cell function and promotes ductular reaction, fibrosis, and tumorigenesis. Hepatology 63, 217–232 (2016).

    CAS  PubMed  Google Scholar 

  112. Horan, G. S. et al. Partial inhibition of integrin αvβ6 prevents pulmonary fibrosis without exacerbating inflammation. Am. J. Respir. Crit. Care Med. 177, 56–65 (2008).

    CAS  PubMed  Google Scholar 

  113. Puthawala, K. et al. Inhibition of integrin αvβ6, an activator of latent transforming growth factor-β, prevents radiation-induced lung fibrosis. Am. J. Respir. Crit. Care Med. 177, 82–90 (2008).

    CAS  PubMed  Google Scholar 

  114. Araya, J. et al. Squamous metaplasia amplifies pathologic epithelial-mesenchymal interactions in COPD patients. J. Clin. Invest. 117, 3551–3562 (2007).

    CAS  PubMed  PubMed Central  Google Scholar 

  115. Kitamura, H. et al. Mouse and human lung fibroblasts regulate dendritic cell trafficking, airway inflammation, and fibrosis through integrin αvβ8-mediated activation of TGFβ. J. Clin. Invest. 121, 2863–2875 (2011).

    CAS  PubMed  PubMed Central  Google Scholar 

  116. Minagawa, S. et al. Selective targeting of TGFβ activation to treat fibroinflammatory airway disease. Sci. Transl. Med. 6, 241ra79 (2014).

    PubMed  PubMed Central  Google Scholar 

  117. Henderson, N. C. et al. Targeting of αv integrin identifies a core molecular pathway that regulates fibrosis in several organs. Nat. Med. 19, 1617–1624 (2013).

    CAS  PubMed  Google Scholar 

  118. Barron, L. & Wynn, T. A. Fibrosis is regulated by Th2 and Th17 responses and by dynamic interactions between fibroblasts and macrophages. Am. J. Physiol. Gastrointest. Liver Physiol. 300, G723–G728 (2011).

    CAS  PubMed  PubMed Central  Google Scholar 

  119. Park, M. J. et al. IL-1–IL-17 signaling axis contributes to fibrosis and inflammation in two different murine models of systemic sclerosis. Front. Immunol. 9, 1611 (2018).

    PubMed  PubMed Central  Google Scholar 

  120. Wilson, M. S. et al. Bleomycin and IL-1β-mediated pulmonary fibrosis is IL-17A dependent. J. Exp. Med. 207, 535–552 (2010).

    ADS  CAS  PubMed  PubMed Central  Google Scholar 

  121. Wang, B. Z. et al. Interleukin-17A antagonist attenuates radiation-induced lung injuries in mice. Exp. Lung Res. 40, 77–85 (2014).

    ADS  CAS  PubMed  Google Scholar 

  122. Meng, F. et al. Interleukin-17 signaling in inflammatory, Kupffer cells, and hepatic stellate cells exacerbates liver fibrosis in mice. Gastroenterology 143, 765–776 (2012).

    CAS  PubMed  Google Scholar 

  123. Sun, B. et al. Role of interleukin 17 in TGFβ signaling-mediated renal interstitial fibrosis. Cytokine 106, 80–88 (2018).

    CAS  PubMed  Google Scholar 

  124. Feng, W. et al. IL-17 induces myocardial fibrosis and enhances RANKL/OPG and MMP/TIMP signaling in isoproterenol-induced heart failure. Exp. Mol. Pathol. 87, 212–218 (2009).

    CAS  PubMed  Google Scholar 

  125. Fabre, T. et al. Type 3 cytokines IL-17A and IL-22 drive TGFβ-dependent liver fibrosis. Sci. Immunol. 3, eaar7754 (2018).

    PubMed  Google Scholar 

  126. Tan, Z. et al. IL-17A plays a critical role in the pathogenesis of liver fibrosis through hepatic stellate cell activation. J. Immunol. 191, 1835–1844 (2013).

    CAS  PubMed  Google Scholar 

  127. Zhang, S. et al. Neutralization of interleukin-17 attenuates cholestatic liver fibrosis in mice. Scand. J. Immunol. 83, 102–108 (2016).

    CAS  PubMed  Google Scholar 

  128. Zhang, X. W. et al. Antagonism of interleukin-17A ameliorates experimental hepatic fibrosis by restoring the IL-10/STAT3-suppressed autophagy in hepatocytes. Oncotarget 8, 9922–9934 (2017).

    PubMed  Google Scholar 

  129. Fabre, T., Kared, H., Friedman, S. L. & Shoukry, N. H. IL-17A enhances the expression of profibrotic genes through upregulation of the TGFβ receptor on hepatic stellate cells in a JNK-dependent manner. J. Immunol. 193, 3925–3933 (2014).

    CAS  PubMed  Google Scholar 

  130. Oh, K. et al. Epithelial transglutaminase 2 is needed for T cell interleukin-17 production and subsequent pulmonary inflammation and fibrosis in bleomycin-treated mice. J. Exp. Med. 208, 1707–1719 (2011).

    CAS  PubMed  PubMed Central  Google Scholar 

  131. Wree, A. et al. NLRP3 inflammasome driven liver injury and fibrosis: roles of IL-17 and TNF in mice. Hepatology 67, 736–749 (2018).

    CAS  PubMed  Google Scholar 

  132. Gasse, P. et al. IL-1 and IL-23 mediate early IL-17A production in pulmonary inflammation leading to late fibrosis. PLoS One 6, e23185 (2011).

    ADS  CAS  PubMed  PubMed Central  Google Scholar 

  133. Lemmers, A. et al. The interleukin-17 pathway is involved in human alcoholic liver disease. Hepatology 49, 646–657 (2009).

    CAS  PubMed  Google Scholar 

  134. Macek Jilkova, Z. et al. Progression of fibrosis in patients with chronic viral hepatitis is associated with IL-17+ neutrophils. Liver Int. 36, 1116–1124 (2016).

    CAS  PubMed  Google Scholar 

  135. Yang, D. et al. Dysregulated lung commensal bacteria drive interleukin-17b production to promote pulmonary fibrosis through their outer membrane vesicles. Immunity 50, 692–706 (2019).

    CAS  PubMed  Google Scholar 

  136. Seki, E. et al. TLR4 enhances TGFβ signaling and hepatic fibrosis. Nat. Med. 13, 1324–1332 (2007).

    CAS  PubMed  Google Scholar 

  137. de Kretser, D. M. et al. Serum activin A and B levels predict outcome in patients with acute respiratory failure: a prospective cohort study. Crit. Care 17, R263 (2013).

    PubMed  PubMed Central  Google Scholar 

  138. Gieseck, R. L., III, Wilson, M. S. & Wynn, T. A. Type 2 immunity in tissue repair and fibrosis. Nat. Rev. Immunol. 18, 62–76 (2018).

    CAS  PubMed  Google Scholar 

  139. Hams, E. et al. IL-25 and type 2 innate lymphoid cells induce pulmonary fibrosis. Proc. Natl Acad. Sci. USA 111, 367–372 (2014).

    ADS  CAS  PubMed  Google Scholar 

  140. Jessup, H. K. et al. Intradermal administration of thymic stromal lymphopoietin induces a T cell- and eosinophil-dependent systemic Th2 inflammatory response. J. Immunol. 181, 4311–4319 (2008).

    CAS  PubMed  Google Scholar 

  141. McHedlidze, T. et al. Interleukin-33-dependent innate lymphoid cells mediate hepatic fibrosis. Immunity 39, 357–371 (2013).

    CAS  PubMed  PubMed Central  Google Scholar 

  142. Vannella, K. M. et al. Combinatorial targeting of TSLP, IL-25, and IL-33 in type 2 cytokine-driven inflammation and fibrosis. Sci. Transl. Med. 8, 337ra65 (2016).

    PubMed  Google Scholar 

  143. Lee, C. G. et al. Interleukin-13 induces tissue fibrosis by selectively stimulating and activating transforming growth factor β1. J. Exp. Med. 194, 809–821 (2001).

    CAS  PubMed  PubMed Central  Google Scholar 

  144. Kaviratne, M. et al. IL-13 activates a mechanism of tissue fibrosis that is completely TGFβ independent. J. Immunol. 173, 4020–4029 (2004).

    CAS  PubMed  Google Scholar 

  145. Gieseck, R. L. III et al. Interleukin-13 activates distinct cellular pathways leading to ductular reaction, steatosis, and fibrosis. Immunity 45, 145–158 (2016).

    CAS  PubMed  PubMed Central  Google Scholar 

  146. Hart, K. M. et al. Type 2 immunity is protective in metabolic disease but exacerbates NAFLD collaboratively with TGFβ. Sci. Transl. Med. 9, eaal3694 (2017). This study identified opposing roles for type 2 immunity in metabolic syndrome and liver fibrosis in an experimental model of NASH.

    PubMed  Google Scholar 

  147. Chiaramonte, M. G., Donaldson, D. D., Cheever, A. W. & Wynn, T. A. An IL-13 inhibitor blocks the development of hepatic fibrosis during a T-helper type 2-dominated inflammatory response. J. Clin. Invest. 104, 777–785 (1999).

    CAS  PubMed  PubMed Central  Google Scholar 

  148. Xue, J. et al. Alternatively activated macrophages promote pancreatic fibrosis in chronic pancreatitis. Nat. Commun. 6, 7158 (2015).

    ADS  CAS  PubMed  Google Scholar 

  149. Liu, L. et al. CD4+ T lymphocytes, especially Th2 cells, contribute to the progress of renal fibrosis. Am. J. Nephrol. 36, 386–396 (2012).

    CAS  PubMed  Google Scholar 

  150. Chung, S. I. et al. IL-13 is a therapeutic target in radiation lung injury. Sci. Rep. 6, 39714 (2016).

    ADS  CAS  PubMed  PubMed Central  Google Scholar 

  151. Singh, B., Kasam, R. K., Sontake, V., Wynn, T. A. & Madala, S. K. Repetitive intradermal bleomycin injections evoke T-helper cell 2 cytokine-driven pulmonary fibrosis. Am. J. Physiol. Lung Cell. Mol. Physiol. 313, L796–L806 (2017).

    PubMed  PubMed Central  Google Scholar 

  152. Sciurba, J. C. et al. Fibroblast-specific integrin-alpha V differentially regulates type 17 and type 2 driven inflammation and fibrosis. J. Pathol. 248, 16–29 (2019).

    CAS  PubMed  Google Scholar 

  153. Wang, M. et al. Cross-talk between TH2 and TH17 pathways in patients with chronic rhinosinusitis with nasal polyps. J. Allergy Clin. Immunol. 144, 1254–1264 (2019).

    CAS  PubMed  Google Scholar 

  154. Choy, D. F. et al. TH2 and TH17 inflammatory pathways are reciprocally regulated in asthma. Sci. Transl. Med. 7, 301ra129 (2015).

    PubMed  Google Scholar 

  155. Ramalingam, T. R. et al. Enhanced protection from fibrosis and inflammation in the combined absence of IL-13 and IFN-γ. J. Pathol. 239, 344–354 (2016).

    CAS  PubMed  PubMed Central  Google Scholar 

  156. Tang, W. et al. Targeted expression of IL-11 in the murine airway causes lymphocytic inflammation, bronchial remodeling, and airways obstruction. J. Clin. Invest. 98, 2845–2853 (1996). This paper identified autocrine IL-11–IL-11R signaling in fibroblasts as a key mechanism driving cardiovascular fibrosis in response to a variety of stimuli.

    CAS  PubMed  PubMed Central  Google Scholar 

  157. Schafer, S. et al. IL-11 is a crucial determinant of cardiovascular fibrosis. Nature 552, 110–115 (2017).

    ADS  CAS  PubMed  PubMed Central  Google Scholar 

  158. Ng, B. et al. Interleukin-11 is a therapeutic target in idiopathic pulmonary fibrosis. Sci. Transl. Med. 11, eaaw1237 (2019).

    CAS  PubMed  Google Scholar 

  159. Abreu, M. T. et al. Mutations in NOD2 are associated with fibrostenosing disease in patients with Crohn’s disease. Gastroenterology 123, 679–688 (2002).

    CAS  PubMed  Google Scholar 

  160. Rieder, F. et al. Association of the novel serologic anti-glycan antibodies anti-laminarin and anti-chitin with complicated Crohn’s disease behavior. Inflamm. Bowel Dis. 16, 263–274 (2010).

    PubMed  Google Scholar 

  161. Rieder, F. et al. Serum anti-glycan antibodies predict complicated Crohn’s disease behavior: a cohort study. Inflamm. Bowel Dis. 16, 1367–1375 (2010).

    PubMed  Google Scholar 

  162. Rieder, F., Kessler, S., Sans, M. & Fiocchi, C. Animal models of intestinal fibrosis: new tools for the understanding of pathogenesis and therapy of human disease. Am. J. Physiol. Gastrointest. Liver Physiol. 303, G786–G801 (2012).

    CAS  PubMed  PubMed Central  Google Scholar 

  163. Moresco, E. M., LaVine, D. & Beutler, B. Toll-like receptors. Curr. Biol. 21, R488–R493 (2011).

    CAS  PubMed  Google Scholar 

  164. Månsson, L. E. et al. MyD88 signaling promotes both mucosal homeostatic and fibrotic responses during Salmonella-induced colitis. Am. J. Physiol. Gastrointest. Liver Physiol. 303, G311–G323 (2012).

    PubMed  Google Scholar 

  165. Imai, J. et al. Flagellin-mediated activation of IL-33-ST2 signaling by a pathobiont promotes intestinal fibrosis. Mucosal Immunol. 12, 632–643 (2019).

    CAS  PubMed  PubMed Central  Google Scholar 

  166. Jacob, N. et al. Inflammation-independent TL1A-mediated intestinal fibrosis is dependent on the gut microbiome. Mucosal Immunol. 11, 1466–1476 (2018).

    CAS  PubMed  PubMed Central  Google Scholar 

  167. Otte, J. M., Rosenberg, I. M. & Podolsky, D. K. Intestinal myofibroblasts in innate immune responses of the intestine. Gastroenterology 124, 1866–1878 (2003).

    CAS  PubMed  Google Scholar 

  168. Zhao, S. et al. Selective deletion of MyD88 signaling in α-SMA positive cells ameliorates experimental intestinal fibrosis via post-transcriptional regulation. Mucosal Immunol. 13, 665–678 (2020). This study highlights a selective mechanism by which bacteria activate myofibroblasts through flagellin.

    PubMed  PubMed Central  Google Scholar 

  169. Chan, C. C. et al. Prognostic value of plasma endotoxin levels in patients with cirrhosis. Scand. J. Gastroenterol. 32, 942–946 (1997).

    CAS  PubMed  Google Scholar 

  170. Seki, E. & Brenner, D. A. Toll-like receptors and adaptor molecules in liver disease: update. Hepatology 48, 322–335 (2008).

    CAS  PubMed  Google Scholar 

  171. Sun, L. et al. Lipopolysaccharide enhances TGFβ1 signalling pathway and rat pancreatic fibrosis. J. Cell. Mol. Med. 22, 2346–2356 (2018).

    CAS  PubMed  PubMed Central  Google Scholar 

  172. Yang, L. et al. TRIF differentially regulates hepatic steatosis and inflammation/fibrosis in mice. Cell. Mol. Gastroenterol. Hepatol. 3, 469–483 (2017).

    PubMed  PubMed Central  Google Scholar 

  173. Mazagova, M. et al. Commensal microbiota is hepatoprotective and prevents liver fibrosis in mice. FASEB J. 29, 1043–1055 (2015).

    CAS  PubMed  Google Scholar 

  174. Leaf, I. A. et al. Pericyte MyD88 and IRAK4 control inflammatory and fibrotic responses to tissue injury. J. Clin. Invest. 127, 321–334 (2017).

    PubMed  Google Scholar 

  175. Jialal, I., Major, A. M. & Devaraj, S. Global Toll-like receptor 4 knockout results in decreased renal inflammation, fibrosis and podocytopathy. J. Diabetes Complications 28, 755–761 (2014).

    PubMed  Google Scholar 

  176. Liu, J. H. et al. A novel inhibitor of homodimerization targeting MyD88 ameliorates renal interstitial fibrosis by counteracting TGFβ1-induced EMT in vivo and in vitro. Kidney Blood Press. Res. 43, 1677–1687 (2018).

    CAS  PubMed  Google Scholar 

  177. Stifano, G. et al. Chronic Toll-like receptor 4 stimulation in skin induces inflammation, macrophage activation, transforming growth factor beta signature gene expression, and fibrosis. Arthritis Res. Ther. 16, R136 (2014).

    PubMed  PubMed Central  Google Scholar 

  178. Liang, J. et al. Hyaluronan and TLR4 promote surfactant-protein-C-positive alveolar progenitor cell renewal and prevent severe pulmonary fibrosis in mice. Nat. Med. 22, 1285–1293 (2016). This work discovered an anti-fibrotic mechanism for hyaluronan in pulmonary fibrosis, revealing a novel function for TLR4.

    CAS  PubMed  PubMed Central  Google Scholar 

  179. Pilling, D. et al. Reduction of bleomycin-induced pulmonary fibrosis by serum amyloid P. J. Immunol. 179, 4035–4044 (2007).

    CAS  PubMed  Google Scholar 

  180. Nakagawa, N. et al. Pentraxin-2 suppresses c-Jun/AP-1 signaling to inhibit progressive fibrotic disease. JCI Insight 1, e87446 (2016).

    PubMed  PubMed Central  Google Scholar 

  181. Rogliani, P., Calzetta, L., Cavalli, F., Matera, M. G. & Cazzola, M. Pirfenidone, nintedanib and N-acetylcysteine for the treatment of idiopathic pulmonary fibrosis: a systematic review and meta-analysis. Pulm. Pharmacol. Ther. 40, 95–103 (2016).

    CAS  PubMed  Google Scholar 

  182. Cao, J. et al. Joint profiling of chromatin accessibility and gene expression in thousands of single cells. Science 361, 1380–1385 (2018).

    ADS  CAS  PubMed  PubMed Central  Google Scholar 

  183. Peterson, V. M. et al. Multiplexed quantification of proteins and transcripts in single cells. Nat. Biotechnol. 35, 936–939 (2017).

    CAS  PubMed  Google Scholar 

  184. Stoeckius, M. et al. Simultaneous epitope and transcriptome measurement in single cells. Nat. Methods 14, 865–868 (2017).

    CAS  PubMed  PubMed Central  Google Scholar 

  185. Rodriques, S. G. et al. Slide-seq: a scalable technology for measuring genome-wide expression at high spatial resolution. Science 363, 1463–1467 (2019).

    ADS  CAS  PubMed  PubMed Central  Google Scholar 

  186. Vickovic, S. et al. High-definition spatial transcriptomics for in situ tissue profiling. Nat. Methods 16, 987–990 (2019).

    CAS  PubMed  PubMed Central  Google Scholar 

  187. Eng, C. L. et al. Transcriptome-scale super-resolved imaging in tissues by RNA seqFISH+. Nature 568, 235–239 (2019).

    ADS  CAS  PubMed  PubMed Central  Google Scholar 

  188. Stuart, T. et al. Comprehensive integration of single-cell data. Cell 177, 1888–1902 (2019).

    CAS  PubMed  PubMed Central  Google Scholar 

  189. Regev, A. et al. The Human Cell Atlas. eLife 6, e27041 (2017).

    PubMed  PubMed Central  Google Scholar 

  190. Dudley, J. T. et al. Computational repositioning of the anticonvulsant topiramate for inflammatory bowel disease. Sci. Transl. Med. 3, 96ra76 (2011).

    CAS  PubMed  PubMed Central  Google Scholar 

  191. Torok, N. J., Dranoff, J. A., Schuppan, D. & Friedman, S. L. Strategies and endpoints of antifibrotic drug trials: summary and recommendations from the AASLD Emerging Trends Conference, Chicago, June 2014. Hepatology 62, 627–634 (2015).

    PubMed  Google Scholar 

  192. Rieder, F. et al. An expert consensus to standardise definitions, diagnosis and treatment targets for anti-fibrotic stricture therapies in Crohn’s disease. Aliment. Pharmacol. Ther. 48, 347–357 (2018).

    CAS  PubMed  PubMed Central  Google Scholar 

  193. Montesi, S. B., Désogère, P., Fuchs, B. C. & Caravan, P. Molecular imaging of fibrosis: recent advances and future directions. J. Clin. Invest. 129, 24–33 (2019).

    PubMed  PubMed Central  Google Scholar 

  194. Montesi, S. B. et al. Type I collagen-targeted positron emission tomography imaging in idiopathic pulmonary fibrosis: first-in-human studies. Am. J. Respir. Crit. Care Med. 200, 258–261 (2019).

    CAS  PubMed  PubMed Central  Google Scholar 

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Acknowledgements

N.C.H. is supported by a Wellcome Trust Senior Research Fellowship in Clinical Science (ref. 219542/Z/19/Z), the Medical Research Council, a Chan Zuckerberg Initiative Seed Network Grant, the British Heart Foundation and Tenovus Scotland. F.R. is supported by grants from the National Institutes of Health (T32DK083251, P30DK097948 Pilot, K08DK110415 and R01DK123233), the Crohn’s and Colitis Foundation, the Cleveland Clinic, the Rainin Foundation and the Helmsley Charitable Trust through the Stenosis Therapy and Anti-Fibrotic Research (STAR) Consortium.

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N.C.H., F.R. and T.A.W contributed equally to the writing and editing of all aspects of this review.

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Correspondence to Thomas A. Wynn.

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N.C.H. has received research funding from AbbVie, Pfizer, Gilead and Galecto, and is an advisor or consultant for Galecto, Indalo Therapeutics, Pliant Therapeutics, GSK and Boehringer-Ingelheim. F.R. is an advisor or consultant for AbbVie, Allergan, BMS, Boehringer-Ingelheim, Celgene, Falk Pharma, Gilead, Genentech, Gossamer, GSK, Receptos, Thetis, UCB, Samsung, Koutif, Pliant Therapeutics, Metacrine, Takeda, Theravance, Pfizer, Agomab, Helmsley, RedX and Roche. T.A.W. is employed by Pfizer.

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Henderson, N.C., Rieder, F. & Wynn, T.A. Fibrosis: from mechanisms to medicines. Nature 587, 555–566 (2020). https://doi.org/10.1038/s41586-020-2938-9

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