Hypoxia in Cancer and Fibrosis: Part of the Problem and Part of the Solution

Adaptive responses to hypoxia are involved in the progression of lung cancer and pulmonary fibrosis. However, it has not been pointed out that hypoxia may be the link between these diseases. As tumors or scars expand, a lack of oxygen results in the activation of the hypoxia response, promoting cell...

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Main Authors: Yair Romero, Arnoldo Aquino-Gálvez
Format: Article
Language:English
Published: MDPI AG 2021-08-01
Series:International Journal of Molecular Sciences
Subjects:
Online Access:https://www.mdpi.com/1422-0067/22/15/8335
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author Yair Romero
Arnoldo Aquino-Gálvez
author_facet Yair Romero
Arnoldo Aquino-Gálvez
author_sort Yair Romero
collection DOAJ
description Adaptive responses to hypoxia are involved in the progression of lung cancer and pulmonary fibrosis. However, it has not been pointed out that hypoxia may be the link between these diseases. As tumors or scars expand, a lack of oxygen results in the activation of the hypoxia response, promoting cell survival even during chronic conditions. The role of hypoxia-inducible factors (HIFs) as master regulators of this adaptation is crucial in both lung cancer and idiopathic pulmonary fibrosis, which have shown the active transcriptional signature of this pathway. Emerging evidence suggests that interconnected feedback loops such as metabolic changes, fibroblast differentiation or extracellular matrix remodeling contribute to HIF overactivation, making it an irreversible phenomenon. This review will focus on the role of HIF signaling and its possible overlapping in order to identify new opportunities in therapy and regeneration.
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spelling doaj.art-441b63344e084b09a284faaed6b2791e2023-11-22T05:46:57ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672021-08-012215833510.3390/ijms22158335Hypoxia in Cancer and Fibrosis: Part of the Problem and Part of the SolutionYair Romero0Arnoldo Aquino-Gálvez1Facultad de Ciencias, Universidad Nacional Autónoma de México, Mexico City 04510, MexicoInstituto Nacional de Enfermedades Respiratorias “Ismael Cosío Villegas”, Mexico City 14080, MexicoAdaptive responses to hypoxia are involved in the progression of lung cancer and pulmonary fibrosis. However, it has not been pointed out that hypoxia may be the link between these diseases. As tumors or scars expand, a lack of oxygen results in the activation of the hypoxia response, promoting cell survival even during chronic conditions. The role of hypoxia-inducible factors (HIFs) as master regulators of this adaptation is crucial in both lung cancer and idiopathic pulmonary fibrosis, which have shown the active transcriptional signature of this pathway. Emerging evidence suggests that interconnected feedback loops such as metabolic changes, fibroblast differentiation or extracellular matrix remodeling contribute to HIF overactivation, making it an irreversible phenomenon. This review will focus on the role of HIF signaling and its possible overlapping in order to identify new opportunities in therapy and regeneration.https://www.mdpi.com/1422-0067/22/15/8335hypoxia-inducible factorslung canceridiopathic pulmonary fibrosisregeneration
spellingShingle Yair Romero
Arnoldo Aquino-Gálvez
Hypoxia in Cancer and Fibrosis: Part of the Problem and Part of the Solution
International Journal of Molecular Sciences
hypoxia-inducible factors
lung cancer
idiopathic pulmonary fibrosis
regeneration
title Hypoxia in Cancer and Fibrosis: Part of the Problem and Part of the Solution
title_full Hypoxia in Cancer and Fibrosis: Part of the Problem and Part of the Solution
title_fullStr Hypoxia in Cancer and Fibrosis: Part of the Problem and Part of the Solution
title_full_unstemmed Hypoxia in Cancer and Fibrosis: Part of the Problem and Part of the Solution
title_short Hypoxia in Cancer and Fibrosis: Part of the Problem and Part of the Solution
title_sort hypoxia in cancer and fibrosis part of the problem and part of the solution
topic hypoxia-inducible factors
lung cancer
idiopathic pulmonary fibrosis
regeneration
url https://www.mdpi.com/1422-0067/22/15/8335
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AT arnoldoaquinogalvez hypoxiaincancerandfibrosispartoftheproblemandpartofthesolution