Article ; Online: Cellular signaling in the hypoxic cancer microenvironment: Implications for drug resistance and therapeutic targeting.
2023 Volume 113, Page(s) 110911
Abstract: The rewiring of cellular metabolism is a defining characteristic of cancer, as tumor cells adapt to acquire essential nutrients from a nutrient-poor environment to sustain their viability and biomass. While hypoxia has been identified as a major factor ... ...
| Abstract | The rewiring of cellular metabolism is a defining characteristic of cancer, as tumor cells adapt to acquire essential nutrients from a nutrient-poor environment to sustain their viability and biomass. While hypoxia has been identified as a major factor depriving cancer cells of nutrients, recent studies have revealed that cancer cells distant from supporting blood vessels also face nutrient limitations. To overcome this challenge, hypoxic cancer cells, which heavily rely on glucose as an energy source, employ alternative pathways such as glycogen metabolism and reductive carboxylation of glutamine to meet their energy requirements for survival. Our preliminary studies, alongside others in the field, have shown that under glucose-deficient conditions, hypoxic cells can utilize mannose and maltose as alternative energy sources. This review aims to comprehensively examine the hypoxic cancer microenvironment, its association with drug resistance, and potential therapeutic strategies for targeting this unique niche. Furthermore, we will critically evaluate the current literature on hypoxic cancer microenvironments and explore state-of-the-art techniques used to analyze alternate carbohydrates, specifically mannose and maltose, in complex biological fluids. We will also propose the most effective analytical methods for quantifying mannose and maltose in such biological samples. By gaining a deeper understanding of the hypoxic cancer cell microenvironment and its role in drug resistance, novel therapeutic approaches can be developed to exploit this knowledge. |
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| MeSH term(s) | Humans ; Cell Hypoxia ; Maltose/pharmacology ; Maltose/therapeutic use ; Mannose/pharmacology ; Mannose/therapeutic use ; Neoplasms/metabolism ; Hypoxia ; Glucose/pharmacology ; Tumor Microenvironment ; Drug Resistance |
| Chemical Substances | Maltose (69-79-4) ; Mannose (PHA4727WTP) ; Glucose (IY9XDZ35W2) |
| Language | English |
| Publishing date | 2023-10-05 |
| Publishing country | England |
| Document type | Review ; Journal Article |
| ZDB-ID | 1002702-6 |
| ISSN | 1873-3913 ; 0898-6568 |
| ISSN (online) | 1873-3913 |
| ISSN | 0898-6568 |
| DOI | 10.1016/j.cellsig.2023.110911 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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