Abstract
The immunological process of clonal selection requires a rapid burst in lymphocyte proliferation, and this involves a metabolic shift to provide energy and the building blocks of new cells. After activation, naive and memory T cells switch from the oxidation of free fatty acids to glycolysis and glutaminolysis to meet these demands. Beyond this, however, the availability of specific metabolites and the pathways that process them interconnect with signaling events in the cell to influence cell cycle, differentiation, cell death and immunological function. Here we define 'metabolic checkpoints' that represent such interconnections and provide examples of how these checkpoints sense metabolic status and transduce signals to affect T lymphocyte responses.
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References
Schumacher, T.N., Gerlach, C. & van Heijst, J.W. Mapping the life histories of T cells. Nat. Rev. Immunol. 10, 621–631 (2010).
Green, D.R. Overview: apoptotic signaling pathways in the immune system. Immunol. Rev. 193, 5–9 (2003).
Wang, R. & Green, D.R. The immune diet: meeting the metabolic demands of lymphocyte activation. F1000 Biology Reports 4, 5–9 (2012).
Wang, R. et al. The transcription factor Myc controls metabolic reprogramming upon T lymphocyte activation. Immunity 35, 871–882 (2011).
Gerriets, V.A. & Rathmell, J.C. Metabolic pathways in T cell fate and function. Trends Immunol. 33, 168–173 (2012).
Frauwirth, K.A. et al. The CD28 signaling pathway regulates glucose metabolism. Immunity 16, 769–777 (2002).
Michalek, R.D. et al. Estrogen-related receptor-α is a metabolic regulator of effector T-cell activation and differentiation. Proc. Natl. Acad. Sci. USA 108, 18348–18353 (2011).
Okkenhaug, K. et al. Impaired B and T cell antigen receptor signaling in p110δ PI 3-kinase mutant mice. Science 297, 1031–1034 (2002).
Fruman, D.A. et al. Impaired B cell development and proliferation in absence of phosphoinositide 3-kinase p85α. Science 283, 393–397 (1999).
Macintyre, A.N. et al. Protein kinase B controls transcriptional programs that direct cytotoxic T cell fate but is dispensable for T cell metabolism. Immunity 34, 224–236 (2011).
O'Shea, J.J. & Paul, W.E. Mechanisms underlying lineage commitment and plasticity of helper CD4+ T cells. Science 327, 1098–1102 (2010).
Zhou, L., Chong, M.M. & Littman, D.R. Plasticity of CD4+ T cell lineage differentiation. Immunity 30, 646–655 (2009).
Harty, J.T. & Badovinac, V.P. Shaping and reshaping CD8+ T-cell memory. Nat. Rev. Immunol. 8, 107–119 (2008).
Shi, L.Z. et al. HIF1alpha-dependent glycolytic pathway orchestrates a metabolic checkpoint for the differentiation of TH17 and Treg cells. J. Exp. Med. 208, 1367–1376 (2011).
Michalek, R.D. et al. Cutting edge: Distinct glycolytic and lipid oxidative metabolic programs are essential for effector and regulatory CD4+ T cell subsets. J. Immunol. 186, 3299–3303 (2011).
van der Windt, G.J. et al. Mitochondrial respiratory capacity is a critical regulator of CD8+ T cell memory development. Immunity 36, 68–78 (2012).
Hartwell, L.H. & Weinert, T.A. Checkpoints: controls that ensure the order of cell cycle events. Science 246, 629–634 (1989).
Elledge, S.J. Cell cycle checkpoints: preventing an identity crisis. Science 274, 1664–1672 (1996).
Jacob, F., Perrin, D., Sanchez, C. & Monod, J. Operon: a group of genes with the expression coordinated by an operator. C. R. Hebd. Seances Acad. Sci. 250, 1727–1729 (1960).
Marijuán, P.C., Navarro, J. & del Moral, R. On prokaryotic intelligence: strategies for sensing the environment. Biosystems 99, 94–103 (2010).
Krell, T. et al. Bacterial sensor kinases: diversity in the recognition of environmental signals. Annu. Rev. Microbiol. 64, 539–559 (2010).
Wellen, K.E. & Thompson, C.B. A two-way street: reciprocal regulation of metabolism and signalling. Nat. Rev. Mol. Cell Biol. 13, 270–276 (2012).
Kaelin, W.G. Jr. The von Hippel-Lindau tumour suppressor protein: O2 sensing and cancer. Nat. Rev. Cancer 8, 865–873 (2008).
Keith, B., Johnson, R.S. & Simon, M.C. HIF1α and HIF2α: sibling rivalry in hypoxic tumour growth and progression. Nat. Rev. Cancer 12, 9–22 (2012).
Semenza, G.L. Hypoxia-inducible factors in physiology and medicine. Cell 148, 399–408 (2012).
Epstein, A.C. et al. C. elegans EGL-9 and mammalian homologs define a family of dioxygenases that regulate HIF by prolyl hydroxylation. Cell 107, 43–54 (2001).
Hirsilä, M., Koivunen, P., Gunzler, V., Kivirikko, K.I. & Myllyharju, J. Characterization of the human prolyl 4-hydroxylases that modify the hypoxia-inducible factor. J. Biol. Chem. 278, 30772–30780 (2003).
Gerald, D. et al. JunD reduces tumor angiogenesis by protecting cells from oxidative stress. Cell 118, 781–794 (2004).
Selak, M.A. et al. Succinate links TCA cycle dysfunction to oncogenesis by inhibiting HIF-α prolyl hydroxylase. Cancer Cell 7, 77–85 (2005).
Sitkovsky, M. & Lukashev, D. Regulation of immune cells by local-tissue oxygen tension: HIF1α and adenosine receptors. Nat. Rev. Immunol. 5, 712–721 (2005).
Nizet, V. & Johnson, R.S. Interdependence of hypoxic and innate immune responses. Nat. Rev. Immunol. 9, 609–617 (2009).
Dang, E.V. et al. Control of TH17/Treg balance by hypoxia-inducible factor 1. Cell 146, 772–784 (2011).
Kojima, H., Sitkovsky, M.V. & Cascalho, M. HIF-1α deficiency perturbs T and B cell functions. Curr. Pharm. Des. 9, 1827–1832 (2003).
Lukashev, D. et al. Cutting edge: hypoxia-inducible factor 1alpha and its activation-inducible short isoform I.1 negatively regulate functions of CD4+ and CD8+ T lymphocytes. J. Immunol. 177, 4962–4965 (2006).
Chi, H. Regulation and function of mTOR signalling in T cell fate decisions. Nat. Rev. Immunol. 12, 325–338 (2012).
Laplante, M. & Sabatini, D.M. mTOR signaling in growth control and disease. Cell 149, 274–293 (2012).
Mihaylova, M.M. & Shaw, R.J. The AMPK signalling pathway coordinates cell growth, autophagy and metabolism. Nat. Cell Biol. 13, 1016–1023 (2011).
Hardie, D.G., Ross, F.A. & Hawley, S.A. AMPK: a nutrient and energy sensor that maintains energy homeostasis. Nat. Rev. Mol. Cell Biol. 13, 251–262 (2012).
Han, J.M. et al. Leucyl-tRNA synthetase is an intracellular leucine sensor for the mTORC1-signaling pathway. Cell 149, 410–424 (2012).
Dennis, P.B. et al. Mammalian TOR: a homeostatic ATP sensor. Science 294, 1102–1105 (2001).
Yu, Y. et al. Phosphoproteomic analysis identifies Grb10 as an mTORC1 substrate that negatively regulates insulin signaling. Science 332, 1322–1326 (2011).
Hsu, P.P. et al. The mTOR-regulated phosphoproteome reveals a mechanism of mTORC1-mediated inhibition of growth factor signaling. Science 332, 1317–1322 (2011).
Inoki, K., Zhu, T. & Guan, K.L. TSC2 mediates cellular energy response to control cell growth and survival. Cell 115, 577–590 (2003).
Gwinn, D.M. et al. AMPK phosphorylation of raptor mediates a metabolic checkpoint. Mol. Cell 30, 214–226 (2008).
Tamás, P. et al. Regulation of the energy sensor AMP-activated protein kinase by antigen receptor and Ca2+ in T lymphocytes. J. Exp. Med. 203, 1665–1670 (2006).
Mayer, A., Denanglaire, S., Viollet, B., Leo, O. & Andris, F. AMP-activated protein kinase regulates lymphocyte responses to metabolic stress but is largely dispensable for immune cell development and function. Eur. J. Immunol. 38, 948–956 (2008).
MacIver, N.J. et al. The liver kinase B1 is a central regulator of T cell development, activation, and metabolism. J. Immunol. 187, 4187–4198 (2011).
Powell, J.D., Lerner, C.G. & Schwartz, R.H. Inhibition of cell cycle progression by rapamycin induces T cell clonal anergy even in the presence of costimulation. J. Immunol. 162, 2775–2784 (1999).
Zheng, Y. et al. A role for mammalian target of rapamycin in regulating T cell activation versus anergy. J. Immunol. 178, 2163–2170 (2007).
Yang, K., Neale, G., Green, D.R., He, W. & Chi, H. The tumor suppressor Tsc1 enforces quiescence of naive T cells to promote immune homeostasis and function. Nat. Immunol. 12, 888–897 (2011).
Youle, R.J. & Narendra, D.P. Mechanisms of mitophagy. Nat. Rev. Mol. Cell Biol. 12, 9–14 (2011).
Kim, J., Kundu, M., Viollet, B. & Guan, K.L. AMPK and mTOR regulate autophagy through direct phosphorylation of Ulk1. Nat. Cell Biol. 13, 132–141 (2011).
Shang, L. et al. Nutrient starvation elicits an acute autophagic response mediated by Ulk1 dephosphorylation and its subsequent dissociation from AMPK. Proc. Natl. Acad. Sci. USA 108, 4788–4793 (2011).
Egan, D.F. et al. Phosphorylation of ULK1 (hATG1) by AMP-activated protein kinase connects energy sensing to mitophagy. Science 331, 456–461 (2011).
Kamada, Y. et al. Tor-mediated induction of autophagy via an Apg1 protein kinase complex. J. Cell Biol. 150, 1507–1513 (2000).
Kamada, Y. et al. Tor directly controls the Atg1 kinase complex to regulate autophagy. Mol. Cell. Biol. 30, 1049–1058 (2010).
Li, C. et al. Autophagy is induced in CD4+ T cells and important for the growth factor-withdrawal cell death. J. Immunol. 177, 5163–5168 (2006).
Pua, H.H., Dzhagalov, I., Chuck, M., Mizushima, N. & He, Y.W. A critical role for the autophagy gene Atg5 in T cell survival and proliferation. J. Exp. Med. 204, 25–31 (2007).
Pua, H.H., Guo, J., Komatsu, M. & He, Y.W. Autophagy is essential for mitochondrial clearance in mature T lymphocytes. J. Immunol. 182, 4046–4055 (2009).
Jia, W., Pua, H.H., Li, Q.J. & He, Y.W. Autophagy regulates endoplasmic reticulum homeostasis and calcium mobilization in T lymphocytes. J. Immunol. 186, 1564–1574 (2011).
Procaccini, C. et al. An oscillatory switch in mTOR kinase activity sets regulatory T cell responsiveness. Immunity 33, 929–941 (2010).
Delgoffe, G.M. et al. The mTOR kinase differentially regulates effector and regulatory T cell lineage commitment. Immunity 30, 832–844 (2009).
Delgoffe, G.M. et al. The kinase mTOR regulates the differentiation of helper T cells through the selective activation of signaling by mTORC1 and mTORC2. Nat. Immunol. 12, 295–303 (2011).
Lee, K. et al. Mammalian target of rapamycin protein complex 2 regulates differentiation of Th1 and Th2 cell subsets via distinct signaling pathways. Immunity 32, 743–753 (2010).
Pearce, E.L. et al. Enhancing CD8 T-cell memory by modulating fatty acid metabolism. Nature 460, 103–107 (2009).
Harding, H.P. et al. Regulated translation initiation controls stress-induced gene expression in mammalian cells. Mol. Cell 6, 1099–1108 (2000).
Wek, R.C., Jiang, H.Y. & Anthony, T.G. Coping with stress: eIF2 kinases and translational control. Biochem. Soc. Trans. 34, 7–11 (2006).
Huang, L., Baban, B., Johnson, B.A. III & Mellor, A.L. Dendritic cells, indoleamine 2,3 dioxygenase and acquired immune privilege. Int. Rev. Immunol. 29, 133–155 (2010).
Bunpo, P. et al. The eIF2 kinase GCN2 is essential for the murine immune system to adapt to amino acid deprivation by asparaginase. J. Nutr. 140, 2020–2027 (2010).
Nicholson, L.B., Raveney, B.J. & Munder, M. Monocyte dependent regulation of autoimmune inflammation. Curr. Mol. Med. 9, 23–29 (2009).
Sundrud, M.S. et al. Halofuginone inhibits TH17 cell differentiation by activating the amino acid starvation response. Science 324, 1334–1338 (2009).
Munn, D.H. et al. GCN2 kinase in T cells mediates proliferative arrest and anergy induction in response to indoleamine 2,3-dioxygenase. Immunity 22, 633–642 (2005).
Iyer, S.S. et al. Protein energy malnutrition impairs homeostatic proliferation of memory CD8 T cells. J. Immunol. 188, 77–84 (2012).
Quintana, F.J. et al. Control of Treg and TH17 cell differentiation by the aryl hydrocarbon receptor. Nature 453, 65–71 (2008).
Veldhoen, M., Hirota, K., Christensen, J., O'Garra, A. & Stockinger, B. Natural agonists for aryl hydrocarbon receptor in culture medium are essential for optimal differentiation of Th17 T cells. J. Exp. Med. 206, 43–49 (2009).
Veldhoen, M. et al. The aryl hydrocarbon receptor links TH17-cell-mediated autoimmunity to environmental toxins. Nature 453, 106–109 (2008).
Mezrich, J.D. et al. An interaction between kynurenine and the aryl hydrocarbon receptor can generate regulatory T cells. J. Immunol. 185, 3190–3198 (2010).
Opitz, C.A. et al. An endogenous tumour-promoting ligand of the human aryl hydrocarbon receptor. Nature 478, 197–203 (2011).
Bensinger, S.J. & Tontonoz, P. Integration of metabolism and inflammation by lipid-activated nuclear receptors. Nature 454, 470–477 (2008).
Repa, J.J. & Mangelsdorf, D.J. The role of orphan nuclear receptors in the regulation of cholesterol homeostasis. Annu. Rev. Cell Dev. Biol. 16, 459–481 (2000).
Janowski, B.A., Willy, P.J., Devi, T.R., Falck, J.R. & Mangelsdorf, D.J. An oxysterol signalling pathway mediated by the nuclear receptor LXRα. Nature 383, 728–731 (1996).
Forman, B.M., Ruan, B., Chen, J., Schroepfer, G.J. Jr. & Evans, R.M. The orphan nuclear receptor LXRα is positively and negatively regulated by distinct products of mevalonate metabolism. Proc. Natl. Acad. Sci. USA 94, 10588–10593 (1997).
Mitro, N. et al. The nuclear receptor LXR is a glucose sensor. Nature 445, 219–223 (2007).
Denechaud, P.D. et al. ChREBP, but not LXRs, is required for the induction of glucose-regulated genes in mouse liver. J. Clin. Invest. 118, 956–964 (2008).
Bensinger, S.J. et al. LXR signaling couples sterol metabolism to proliferation in the acquired immune response. Cell 134, 97–111 (2008).
Cui, G. et al. Liver X receptor (LXR) mediates negative regulation of mouse and human Th17 differentiation. J. Clin. Invest. 121, 658–670 (2011).
Schults, M.A. et al. Diminished carcinogen detoxification is a novel mechanism for hypoxia-inducible factor 1-mediated genetic instability. J. Biol. Chem. 285, 14558–14564 (2010).
Lim, J.H. et al. Sirtuin 1 modulates cellular responses to hypoxia by deacetylating hypoxia-inducible factor 1alpha. Mol. Cell 38, 864–878 (2010).
Li, X. et al. SIRT1 deacetylates and positively regulates the nuclear receptor LXR. Mol. Cell 28, 91–106 (2007).
Cantó, C. & Auwerx, J. NAD+ as a signaling molecule modulating metabolism. Cold Spring Harb. Symp. Quant. Biol. 76, 291–298 (2011).
Imai, S. & Guarente, L. Ten years of NAD-dependent SIR2 family deacetylases: implications for metabolic diseases. Trends Pharmacol. Sci. 31, 212–220 (2010).
Yang, X.J. & Seto, E. Lysine acetylation: codified crosstalk with other posttranslational modifications. Mol. Cell 31, 449–461 (2008).
Guan, K.L. & Xiong, Y. Regulation of intermediary metabolism by protein acetylation. Trends Biochem. Sci. 36, 108–116 (2011).
Cai, L. & Tu, B.P. On acetyl-CoA as a gauge of cellular metabolic state. Cold Spring Harb. Symp. Quant. Biol. 76, 195–202 (2011).
Lin, S.J. & Guarente, L. Nicotinamide adenine dinucleotide, a metabolic regulator of transcription, longevity and disease. Curr. Opin. Cell Biol. 15, 241–246 (2003).
Smith, B.C., Hallows, W.C. & Denu, J.M. A continuous microplate assay for sirtuins and nicotinamide-producing enzymes. Anal. Biochem. 394, 101–109 (2009).
Imai, S., Armstrong, C.M., Kaeberlein, M. & Guarente, L. Transcriptional silencing and longevity protein Sir2 is an NAD-dependent histone deacetylase. Nature 403, 795–800 (2000).
Rongvaux, A., Andris, F., Van Gool, F. & Leo, O. Reconstructing eukaryotic NAD metabolism. BioEssays 25, 683–690 (2003).
Rongvaux, A. et al. Nicotinamide phosphoribosyl transferase/pre-B cell colony-enhancing factor/visfatin is required for lymphocyte development and cellular resistance to genotoxic stress. J. Immunol. 181, 4685–4695 (2008).
Houtkooper, R.H., Canto, C., Wanders, R.J. & Auwerx, J. The secret life of NAD+: an old metabolite controlling new metabolic signaling pathways. Endocr. Rev. 31, 194–223 (2010).
Goodwin, P.M., Lewis, P.J., Davies, M.I., Skidmore, C.J. & Shall, S. The effect of gamma radiation and neocarzinostatin on NAD and ATP levels in mouse leukaemia cells. Biochim. Biophys. Acta 543, 576–582 (1978).
Krishnakumar, R. & Kraus, W.L. The PARP side of the nucleus: molecular actions, physiological outcomes, and clinical targets. Mol. Cell 39, 8–24 (2010).
Schreiber, V., Dantzer, F., Ame, J.C. & de Murcia, G. Poly(ADP-ribose): novel functions for an old molecule. Nat. Rev. Mol. Cell Biol. 7, 517–528 (2006).
Skidmore, C.J. et al. The involvement of poly(ADP-ribose) polymerase in the degradation of NAD caused by γ-radiation and N-methyl-N-nitrosourea. Eur. J. Biochem 101, 135–142 (1979).
Mendoza-Alvarez, H. & Alvarez-Gonzalez, R. Poly(ADP-ribose) polymerase is a catalytic dimer and the automodification reaction is intermolecular. J. Biol. Chem. 268, 22575–22580 (1993).
Bai, P. et al. PARP-1 inhibition increases mitochondrial metabolism through SIRT1 activation. Cell Metab. 13, 461–468 (2011).
Berger, S.J., Manory, I., Sudar, D.C., Krothapalli, D. & Berger, N.A. Pyridine nucleotide analog interference with metabolic processes in mitogen-stimulated human T lymphocytes. Exp. Cell Res. 173, 379–387 (1987).
Valdor, R. et al. Regulation of NFAT by poly(ADP-ribose) polymerase activity in T cells. Mol. Immunol. 45, 1863–1871 (2008).
Olabisi, O.A. et al. Regulation of transcription factor NFAT by ADP-ribosylation. Mol. Cell. Biol. 28, 2860–2871 (2008).
Fields, P.E., Kim, S.T. & Flavell, R.A. Cutting edge: changes in histone acetylation at the IL-4 and IFN-γ loci accompany Th1/Th2 differentiation. J. Immunol. 169, 647–650 (2002).
Avni, O. et al. TH cell differentiation is accompanied by dynamic changes in histone acetylation of cytokine genes. Nat. Immunol. 3, 643–651 (2002).
Li, B. et al. FOXP3 interactions with histone acetyltransferase and class II histone deacetylases are required for repression. Proc. Natl. Acad. Sci. USA 104, 4571–4576 (2007).
van Loosdregt, J. et al. Regulation of Treg functionality by acetylation-mediated Foxp3 protein stabilization. Blood 115, 965–974 (2010).
Tao, R. et al. Deacetylase inhibition promotes the generation and function of regulatory T cells. Nat. Med. 13, 1299–1307 (2007).
Beier, U.H. et al. Sirtuin-1 targeting promotes Foxp3+ T-regulatory cell function and prolongs allograft survival. Mol. Cell. Biol. 31, 1022–1029 (2011).
Floess, S. et al. Epigenetic control of the foxp3 locus in regulatory T cells. PLoS Biol. 5, e38 (2007).
Nasta, F., Laudisi, F., Sambucci, M., Rosado, M.M. & Pioli, C. Increased Foxp3+ regulatory T cells in poly(ADP-Ribose) polymerase-1 deficiency. J. Immunol. 184, 3470–3477 (2010).
Oumouna, M. et al. Poly(ADP-ribose) polymerase-1 inhibition prevents eosinophil recruitment by modulating Th2 cytokines in a murine model of allergic airway inflammation: a potential specific effect on IL-5. J. Immunol. 177, 6489–6496 (2006).
Chiarugi, A. Inhibitors of poly(ADP-ribose) polymerase-1 suppress transcriptional activation in lymphocytes and ameliorate autoimmune encephalomyelitis in rats. Br. J. Pharmacol. 137, 761–770 (2002).
Farez, M.F. et al. Toll-like receptor 2 and poly(ADP-ribose) polymerase 1 promote central nervous system neuroinflammation in progressive EAE. Nat. Immunol. 10, 958–964 (2009).
Zhang, J. et al. The type III histone deacetylase Sirt1 is essential for maintenance of T cell tolerance in mice. J. Clin. Invest. 119, 3048–3058 (2009).
Sequeira, J. et al. sirt1-null mice develop an autoimmune-like condition. Exp. Cell Res. 314, 3069–3074 (2008).
Gao, B., Kong, Q., Kemp, K., Zhao, Y.S. & Fang, D. Analysis of sirtuin 1 expression reveals a molecular explanation of IL-2-mediated reversal of T-cell tolerance. Proc. Natl. Acad. Sci. USA 109, 899–904 (2012).
Bordone, L. & Guarente, L. Calorie restriction, SIRT1 and metabolism: understanding longevity. Nat. Rev. Mol. Cell Biol. 6, 298–305 (2005).
Sun, D. et al. Regulation of immune function by calorie restriction and cyclophosphamide treatment in lupus-prone NZB/NZW F1 mice. Cell. Immunol. 228, 54–65 (2004).
Piccio, L., Stark, J.L. & Cross, A.H. Chronic calorie restriction attenuates experimental autoimmune encephalomyelitis. J. Leukoc. Biol. 84, 940–948 (2008).
Petro, T.M. Regulatory role of resveratrol on Th17 in autoimmune disease. Int. Immunopharmacol. 11, 310–318 (2011).
Pae, M., Meydani, S.N. & Wu, D. The role of nutrition in enhancing immunity in aging. Aging Dis. 3, 91–129 (2012).
Liu, Y., Yu, Y., Matarese, G. & La Cava, A. Cutting edge: fasting-induced hypoleptinemia expands functional regulatory T cells in systemic lupus erythematosus. J. Immunol. 188, 2070–2073 (2012).
Ahmed, T. et al. Calorie restriction enhances T-cell-mediated immune response in adult overweight men and women. J. Gerontol. A Biol. Sci. Med. Sci. 64, 1107–1113 (2009).
Edelman, A.M., Blumenthal, D.K. & Krebs, E.G. Protein serine/threonine kinases. Annu. Rev. Biochem. 56, 567–613 (1987).
Gribble, F.M. et al. A novel method for measurement of submembrane ATP concentration. J. Biol. Chem. 275, 30046–30049 (2000).
Moses, V. & Lonberg-Holm, K.K. The study of metabolic compartmentalization. J. Theor. Biol. 10, 336–351 (1966).
Fang, M. et al. The ER UDPase ENTPD5 promotes protein N-glycosylation, the Warburg effect, and proliferation in the PTEN pathway. Cell 143, 711–724 (2010).
Wellen, K.E. et al. The hexosamine biosynthetic pathway couples growth factor-induced glutamine uptake to glucose metabolism. Genes Dev. 24, 2784–2799 (2010).
Mazurek, S. Pyruvate kinase type M2: a key regulator of the metabolic budget system in tumor cells. Int. J. Biochem. Cell Biol. 43, 969–980 (2011).
Shaw, R.J. & Cantley, L.C. Decoding key nodes in the metabolism of cancer cells: sugar & spice and all things nice. F1000 Biol. Rep. 4, 2 (2012).
Ignacak, J. & Stachurska, M.B. The dual activity of pyruvate kinase type M2 from chromatin extracts of neoplastic cells. Comp. Biochem. Physiol. B Biochem. Mol. Biol. 134, 425–433 (2003).
Gao, X., Wang, H., Yang, J.J., Liu, X. & Liu, Z.R. Pyruvate kinase M2 regulates gene transcription by acting as a protein kinase. Mol. Cell 45, 598–609 (2012).
Semenova, G. & Chernoff, J. PKM2 enters the morpheein academy. Mol. Cell 45, 583–584 (2012).
Mazurek, S., Grimm, H., Boschek, C.B., Vaupel, P. & Eigenbrodt, E. Pyruvate kinase type M2: a crossroad in the tumor metabolome. Br. J. Nutr. 87 (suppl. 1), S23–S29 (2002).
Christofk, H.R., Vander Heiden, M.G., Wu, N., Asara, J.M. & Cantley, L.C. Pyruvate kinase M2 is a phosphotyrosine-binding protein. Nature 452, 181–186 (2008).
Anastasiou, D. et al. Inhibition of pyruvate kinase M2 by reactive oxygen species contributes to cellular antioxidant responses. Science 334, 1278–1283 (2011).
Grüning, N.M. et al. Pyruvate kinase triggers a metabolic feedback loop that controls redox metabolism in respiring cells. Cell Metab. 14, 415–427 (2011).
Acknowledgements
We thank H. Chi and L. Shi for discussions. Supported by St. Jude Children's Research Hospital (George J. Mitchell fellowship to R.W.), the US National Institutes of Health (AI40646 and GM52735 to D.R.G.) and the American Lebanese and Syrian Associated Charities.
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Wang, R., Green, D. Metabolic checkpoints in activated T cells. Nat Immunol 13, 907–915 (2012). https://doi.org/10.1038/ni.2386
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DOI: https://doi.org/10.1038/ni.2386