Cited by 188Autophagy in Disease and TherapyCancer, Hypoxia, and MetabolismUbiquitin and proteasome pathways

Hypoxia and Selective Autophagy in Cancer Development and Therapy

Open access
Daskalaki, Ioanna, Gkikas, Ilias, Tavernarakis, Nektarios·2018·Frontiers in Cell and Developmental Biology

Abstract

Low oxygen availability, a condition known as hypoxia, is a common feature of various pathologies including stroke, ischemic heart disease, and cancer. Hypoxia adaptation requires coordination of intricate pathways and mechanisms such as hypoxia-inducible factors (HIFs), the unfolded protein response (UPR), mTOR, and autophagy. Recently, great effort has been invested toward elucidating the interplay between hypoxia-induced autophagy and cancer cell metabolism. Although novel types of selective autophagy have been identified, including mitophagy, pexophagy, lipophagy, ERphagy and nucleophagy among others, their potential interface with hypoxia response mechanisms remains poorly understood. Autophagy activation facilitates the removal of damaged cellular compartments and recycles components, thus promoting cell survival. Importantly, tumor cells rely on autophagy to support self-proliferation and metastasis; characteristics related to poor disease prognosis. Therefore, a deeper understanding of the molecular crosstalk between hypoxia response mechanisms and autophagy could provide important insights with relevance to cancer and hypoxia-related pathologies. Here, we survey recent findings implicating selective autophagy in hypoxic responses, and discuss emerging links between these pathways and cancer pathophysiology.

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  • Autophagy can be induced by certain treatments or microenvironmental effects in relation to metabolic adaptation and resistance.

    “Autophagy can be induced by certain treatments or microevironmental effects in relation to metabolic adaptation and resistance [45].”

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Authors
Daskalaki, I., Gkikas, I., & Tavernarakis, N.
Affiliations
University of Crete (GR)
Corresponding author
Tavernarakis, Nektarios
Venue
Frontiers in Cell and Developmental Biology
Published
2018-09-10
Volume
6
Pages
104-104
ISSN
2296-634X (ISSN-L)
OpenAlex
W2890767393
Cited by
188
References
216
Citations by year
2026: 17 · 2025: 20 · 2024: 21 · 2023: 19 · 2022: 31 · 2021: 39 · 2020: 22 · 2019: 15 · 2018: 3 · 2017: 1
FWCI
2.82
Type
journal article
Language
en
Open access
Locations
  • Frontiers in Cell and Developmental Biology (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • European Commission
  • H2020 European Research Council (695190, 737599)
Topics
  • Health Sciences › Medicine › Epidemiology › Autophagy in Disease and Therapy
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Hypoxia, and Metabolism
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ubiquitin and proteasome pathways
Keywords
hypoxia, selective autophagy, cancer, hypoxia-inducible factor, unfolded protein response, mTOR, cancer metabolism, mitophagy, pexophagy, lipophagy, nucleophagy, metastasis, tumor cell survival

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