Analogies between the periphery of cancer and the leading edge of pulmonary fibrosis

J Transl Med. 2023 Apr 21;21(1):274. doi: 10.1186/s12967-023-04096-5.


The periphery of malignant tumors and the leading edge of fibrotic tissue have analogous metabolic pathways. Both use glycolysis as the primary source of energy to produce biomass with consequential acidification of the microenvironment. A low PH has been shown to increase the ability of cancer cells to invade the surrounding tissue in both in vitro and in vivo studies. The pH-dependent activation of TGF-B leading to myofibroblast activation is an important step in the initiation and progression of fibrosis. Markers of accelerated cell proliferation have also been reported in the periphery of malignant tumors and the leading edge of fibrosis. Understanding the shared molecular and metabolic characteristics of these conditions may explain the increased prevalence of cancer among patients with fibrosis.

PMID:37085817 | PMC:PMC10120126 | DOI:10.1186/s12967-023-04096-5


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