Metabolic Reprograming in Macrophage Polarization
Open accessAbstract
Studying the metabolism of immune cells in recent years has emphasized the tight link existing between the metabolic state and the phenotype of these cells. Macrophages in particular are a good example of this phenomenon. Whether the macrophage obtains its energy through glycolysis or through oxidative metabolism can give rise to different phenotypes. Classically activated or M1 macrophages are key players of the first line of defense against bacterial infections and are known to obtain energy through glycolysis. Alternatively activated or M2 macrophages on the other hand are involved in tissue repair and wound healing and use oxidative metabolism to fuel their longer-term functions. Metabolic intermediates, however, are not just a source of energy but can be directly implicated in a particular macrophage phenotype. In M1 macrophages, the Krebs cycle intermediate succinate regulates HIF1α, which is responsible for driving the sustained production of the pro-inflammatory cytokine IL1β. In M2 macrophages, the sedoheptulose kinase carbohydrate kinase-like protein is critical for regulating the pentose phosphate pathway. The potential to target these events and impact on disease is an exciting prospect.
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Treatment with LPS in macrophages, dendritic and microglia cells provokes a metabolic shift from oxidative phosphorylation (OXPHOS) towards aerobic glycolysis, a process required to quickly supply high energy demands of the inflammatory response.
“Treatment with LPS in macrophages, dendritic and microglia cells provokes a metabolic shift from oxidative phosphorylation (OXPHOS) towards aerobic glycolysis, a process required to quickly supply high energy demands of the inflammatory response (Galván-Peña and O'Neill, 2014),(Ruiz-García et al., 2011), (Ganeshan and Chawla, 2014),(Orihuela et al., 2016).”
From TET2 Regulates the Neuroinflammatory Response in Microglia (2019) · cites this paper as Galván-Peña and O'Neill, 2014
Split into 2 atoms — 1 confirmed, 1 partially supported, 0 disputed, 0 misattributed, 0 unverifiable. Expand the claim to see per-atom verdicts.
Experimental — accuracy not yet measuredHk3 and Pfkfb3 play an important role during the aerobic glycolysis process.
“both playing an important role during the aerobic glycolysis process (Galván-Peña and O'Neill, 2014)(Ruiz-García et al., 2011).”
From TET2 Regulates the Neuroinflammatory Response in Microglia (2019) · cites this paper as Galván-Peña and O'Neill, 2014
The “Glycolytic M1 Versus Oxidative M2 Macrophages” section says that induction of a gene it calls PFKB3 accompanies a switch that increases glycolytic flux in activated macrophages, supporting the Pfkfb3 part of the claim. Our copy does not mention Hk3 or establish its role in aerobic glycolysis. (LLM, conf=0.85)
Experimental — accuracy not yet measuredIn pro-inflammatory (M1) macrophages, aerobic glycolysis is a consequence of glucose uptake and the conversion of pyruvate into lactate.
“In pro-inflammatory (M1) macrophages, aerobic glycolysis is a consequence of glucose uptake and the conversion of pyruvate into lactate (Galván-Peña and O'Neill, 2014).”
From TET2 Regulates the Neuroinflammatory Response in Microglia (2019) · cites this paper as Galván-Peña and O'Neill, 2014
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Cites
Succinate is an inflammatory signal that induces IL-1β through HIF-1α
Tannahill, G. M., Curtis, A. M., Adamik, J., Palsson-McDermott, E. M., McGettrick, A. F., Goel, G., Frezza, C., Bernard, N. J., Kelly, B., Foley, N. H., et al. (2013) · Nature · doi:10.1038/nature11986 · Cited by 4,176 · cited 2× · see citing works
“For instance, HIF2α also controls IL1β production, which is associated with an M1 phenotype rather than M2 (15).”
BackgroundMacrophage-specific PPARγ controls alternative activation and improves insulin resistance
Odegaard, J. I., Ricardo-Gonzalez, R. R., Goforth, M. H., Morel, C. R., Subramanian, V., Mukundan, L., Eagle, A. R., Vats, D., Brombacher, F., Ferrante, A. W., et al. (2007) · Nature · doi:10.1038/nature05894 · Cited by 2,107 · cited 1× · see citing works
“PPARγ on the other hand, is involved in the transcription of different factors required for β-oxidation of fatty acids (18, 19).”
BackgroundOxidative metabolism and PGC-1β attenuate macrophage-mediated inflammation
Vats, D., Mukundan, L., Odegaard, J. I., Zhang, L., Smith, K. L., Morel, C. R., Greaves, D. R., Murray, P. J., & Chawla, A. (2006) · Cell Metabolism · doi:10.1016/j.cmet.2006.05.011 · Cited by 1,369 · cited 2× · see citing works
“Similarly, forcing oxidative metabolism in an M1 macrophage potentiates the M2 phenotype (12, 13).”
BackgroundSindrilaru, A., Peters, T., Wieschalka, S., Baican, C., Baican, A., Peter, H., Hainzl, A., Schatz, S., Qi, Y., Schlecht, A., et al. (2011) · Journal of Clinical Investigation · doi:10.1172/jci44490 · Cited by 1,100 · cited 1× · see citing works
“For instance, patients presenting with chronic venous ulcers suffer from chronic inflammation as a result of failing to switch from M1 macrophages to M2 (36).”
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The Sedoheptulose Kinase CARKL Directs Macrophage Polarization through Control of Glucose Metabolism
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- Authors
- Galván-Peña, S., & O’Neill, L. A. J.
- Venue
- Frontiers in Immunology
- Publisher
- Frontiers Media SA
- Published
- 2014-09-02
- Volume
- 5
- Pages
- 420-420
- ISSN
- 1664-3224 (ISSN-L)
- PMC
- PMC4151090
- OpenAlex
- W1838882977
- Cited by
- 944
- References
- 7
- Citations by year
- 2026: 42 · 2025: 71 · 2024: 87 · 2023: 79 · 2022: 103 · 2021: 115 · 2020: 100 · 2019: 89 · 2018: 74 · 2017: 74 · 2016: 61 · 2015: 45 · 2014: 1 · 2012: 1
- FWCI
- 5.89
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- cc-by
- Locations
- Frontiers in Immunology (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)
- Topics
- Life Sciences › Immunology and Microbiology › Immunology › Immune cells in cancer
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Hypoxia, and Metabolism
- Life Sciences › Immunology and Microbiology › Immunology › Immune responses and vaccinations
- Keywords
- macrophage polarization, metabolic reprogramming, M1 macrophages, M2 macrophages, glycolysis, oxidative metabolism, succinic acid, HIF-1α, IL-1β, pentose phosphate pathway, Krebs cycle intermediates, immune cell metabolism
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