151
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Schmidt DR, Patel R, Kirsch DG, Lewis CA, Vander Heiden MG, Locasale JW. Metabolomics in cancer research and emerging applications in clinical oncology. CA Cancer J Clin 2021; 71:333-358. [PMID: 33982817 PMCID: PMC8298088 DOI: 10.3322/caac.21670] [Citation(s) in RCA: 293] [Impact Index Per Article: 97.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 03/07/2021] [Accepted: 03/09/2021] [Indexed: 12/12/2022] Open
Abstract
Cancer has myriad effects on metabolism that include both rewiring of intracellular metabolism to enable cancer cells to proliferate inappropriately and adapt to the tumor microenvironment, and changes in normal tissue metabolism. With the recognition that fluorodeoxyglucose-positron emission tomography imaging is an important tool for the management of many cancers, other metabolites in biological samples have been in the spotlight for cancer diagnosis, monitoring, and therapy. Metabolomics is the global analysis of small molecule metabolites that like other -omics technologies can provide critical information about the cancer state that are otherwise not apparent. Here, the authors review how cancer and cancer therapies interact with metabolism at the cellular and systemic levels. An overview of metabolomics is provided with a focus on currently available technologies and how they have been applied in the clinical and translational research setting. The authors also discuss how metabolomics could be further leveraged in the future to improve the management of patients with cancer.
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Affiliation(s)
- Daniel R. Schmidt
- Koch Institute, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Department of Radiation Oncology, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
| | - Rutulkumar Patel
- Department of Radiation Oncology, Duke University School of Medicine, Durham, NC 27708 USA
| | - David G. Kirsch
- Department of Radiation Oncology, Duke University School of Medicine, Durham, NC 27708 USA
- Department of Pharmacology and Cancer Biology, Duke University, Durham, NC 27708 USA
| | - Caroline A. Lewis
- Whitehead Institute for Biomedical Research, Cambridge, MA 02142, USA
| | - Matthew G. Vander Heiden
- Koch Institute, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Jason W. Locasale
- Department of Pharmacology and Cancer Biology, Duke University, Durham, NC 27708 USA
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152
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Lagarde D, Jeanson Y, Portais JC, Galinier A, Ader I, Casteilla L, Carrière A. Lactate Fluxes and Plasticity of Adipose Tissues: A Redox Perspective. Front Physiol 2021; 12:689747. [PMID: 34276410 PMCID: PMC8278056 DOI: 10.3389/fphys.2021.689747] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 06/09/2021] [Indexed: 12/18/2022] Open
Abstract
Lactate, a metabolite produced when the glycolytic flux exceeds mitochondrial oxidative capacities, is now viewed as a critical regulator of metabolism by acting as both a carbon and electron carrier and a signaling molecule between cells and tissues. In recent years, increasing evidence report its key role in white, beige, and brown adipose tissue biology, and highlights new mechanisms by which lactate participates in the maintenance of whole-body energy homeostasis. Lactate displays a wide range of biological effects in adipose cells not only through its binding to the membrane receptor but also through its transport and the subsequent effect on intracellular metabolism notably on redox balance. This study explores how lactate regulates adipocyte metabolism and plasticity by balancing intracellular redox state and by regulating specific signaling pathways. We also emphasized the contribution of adipose tissues to the regulation of systemic lactate metabolism, their roles in redox homeostasis, and related putative physiopathological repercussions associated with their decline in metabolic diseases and aging.
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Affiliation(s)
- Damien Lagarde
- Goodman Cancer Research Center, McGill University, Montreal, QC, Canada.,Department of Biochemistry, McGill University, Montreal, QC, Canada.,Institut RESTORE, UMR 1301 INSERM, 5070 CNRS, Université Paul Sabatier, Toulouse, France
| | - Yannick Jeanson
- Institut RESTORE, UMR 1301 INSERM, 5070 CNRS, Université Paul Sabatier, Toulouse, France
| | - Jean-Charles Portais
- Institut RESTORE, UMR 1301 INSERM, 5070 CNRS, Université Paul Sabatier, Toulouse, France.,MetaboHUB-MetaToul, National Infrastructure of Metabolomics and Fluxomics, Toulouse, France
| | - Anne Galinier
- Institut RESTORE, UMR 1301 INSERM, 5070 CNRS, Université Paul Sabatier, Toulouse, France.,Institut Fédératif de Biologie, CHU Purpan, Toulouse, France
| | - Isabelle Ader
- Institut RESTORE, UMR 1301 INSERM, 5070 CNRS, Université Paul Sabatier, Toulouse, France
| | - Louis Casteilla
- Institut RESTORE, UMR 1301 INSERM, 5070 CNRS, Université Paul Sabatier, Toulouse, France
| | - Audrey Carrière
- Institut RESTORE, UMR 1301 INSERM, 5070 CNRS, Université Paul Sabatier, Toulouse, France
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153
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Tu VY, Ayari A, O’Connor RS. Beyond the Lactate Paradox: How Lactate and Acidity Impact T Cell Therapies against Cancer. Antibodies (Basel) 2021; 10:25. [PMID: 34203136 PMCID: PMC8293081 DOI: 10.3390/antib10030025] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 06/14/2021] [Accepted: 06/22/2021] [Indexed: 11/16/2022] Open
Abstract
T cell therapies, including CAR T cells, have proven more effective in hematologic malignancies than solid tumors, where the local metabolic environment is distinctly immunosuppressive. In particular, the acidic and hypoxic features of the tumor microenvironment (TME) present a unique challenge for T cells. Local metabolism is an important consideration for activated T cells as they undergo bursts of migration, proliferation and differentiation in hostile soil. Tumor cells and activated T cells both produce lactic acid at high rates. The role of lactic acid in T cell biology is complex, as lactate is an often-neglected carbon source that can fuel TCA anaplerosis. Circulating lactate is also an important means to regulate redox balance. In hypoxic tumors, lactate is immune-suppressive. Here, we discuss how intrinsic- (T cells) as well as extrinsic (tumor cells and micro-environmental)-derived metabolic factors, including lactate, suppress the ability of antigen-specific T cells to eradicate tumors. Finally, we introduce recent discoveries that target the TME in order to potentiate T cell-based therapies against cancer.
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Affiliation(s)
- Violet Y. Tu
- Center for Cellular Immunotherapies, Perelman School of Medicine of the University of Pennsylvania, Philadelphia, PA 19104, USA;
- Department of Biological Physics, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Asma Ayari
- Nucleus Biologics, LLC., San Diego, CA 92127, USA;
| | - Roddy S. O’Connor
- Center for Cellular Immunotherapies, Perelman School of Medicine of the University of Pennsylvania, Philadelphia, PA 19104, USA;
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine of the University of Pennsylvania, Philadelphia, PA 19104, USA
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154
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Chandel V, Kumar D. Targeting Signalling Cross-Talk between Cancer Cells and Cancer-Associated Fibroblast through Monocarboxylate Transporters in Head and Neck Cancer. Anticancer Agents Med Chem 2021; 21:1369-1378. [PMID: 32698754 DOI: 10.2174/1871520620666200721135230] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 04/15/2020] [Accepted: 04/16/2020] [Indexed: 11/22/2022]
Abstract
Head and Neck Squamous Cell Carcinoma (HNSCC) is an aggressive malignancy affecting more than 600,000 cases worldwide annually, associated with poor prognosis and significant morbidity. HNSCC tumors are dysplastic, with up to 80% fibroblasts. It has been reported that Cancer-Associated Fibroblasts (CAFs) facilitate HNSCC progression. Unlike normal cells, malignant cells often display increased glycolysis, even in the presence of oxygen; a phenomenon known as the Warburg effect. As a consequence, there is an increase in Lactic Acid (LA) production. Earlier, it has been reported that HNSCC tumors exhibit high LA levels that correlate with reduced survival. It has been reported that the activation of the receptor tyrosine kinase, c- MET, by CAF-secreted Hepatocyte Growth Factor (HGF) is a major contributing event in the progression of HNSCC. In nasopharyngeal carcinoma, c-MET inhibition downregulates the TP53-Induced Glycolysis and Apoptosis Regulator (TIGAR) and NADPH production resulting in apoptosis. Previously, it was demonstrated that HNSCC tumor cells are highly glycolytic. Further, CAFs show a higher capacity to utilize LA as a carbon source to fuel mitochondrial respiration than HNSCC. Earlier, we have reported that in admixed cultures, both cell types increase the expression of Monocarboxylate Transporters (MCTs) for a bidirectional LA transporter. Consequently, MCTs play an important role in signalling cross-talk between cancer cells and cancer associate fibroblast in head and neck cancer, and targeting MCTs would lead to the development of a potential therapeutic approach for head and neck cancer. In this review, we focus on the regulation of MCTs in head and neck cancer through signalling cross-talk between cancer cells and cancer-associated fibroblasts, and targeting this signalling cross talk would lead to the development of a potential therapeutic approach for head and neck cancer.
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Affiliation(s)
- Vaishali Chandel
- Amity Institute of Molecular Medicine & Stem Cell Research (AIMMSCR), Amity University Uttar Pradesh, Sec-125, Noida-201313, (UP), India
| | - Dhruv Kumar
- Amity Institute of Molecular Medicine & Stem Cell Research (AIMMSCR), Amity University Uttar Pradesh, Sec-125, Noida-201313, (UP), India
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155
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Khan A, Siddiqui S, Husain SA, Mazurek S, Iqbal MA. Phytocompounds Targeting Metabolic Reprogramming in Cancer: An Assessment of Role, Mechanisms, Pathways, and Therapeutic Relevance. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:6897-6928. [PMID: 34133161 DOI: 10.1021/acs.jafc.1c01173] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The metabolism of cancer is remarkably different from that of normal cells and confers a variety of benefits, including the promotion of other cancer hallmarks. As the rewired metabolism is a near-universal property of cancer cells, efforts are underway to exploit metabolic vulnerabilities for therapeutic benefits. In the continued search for safer and effective ways of cancer treatment, structurally diverse plant-based compounds have gained substantial attention. Here, we present an extensive assessment of the role of phytocompounds in modulating cancer metabolism and attempt to make a case for the use of plant-based compounds in targeting metabolic vulnerabilities of cancer. We discuss the pharmacological interactions of phytocompounds with major metabolic pathways and evaluate the role of phytocompounds in the regulation of growth signaling and transcriptional programs involved in the metabolic transformation of cancer. Lastly, we examine the potential of these compounds in the clinical management of cancer along with limitations and challenges.
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Affiliation(s)
- Asifa Khan
- Department of Biotechnology, Faculty of Natural Sciences, Jamia Millia Islamia (A Central University), New Delhi 110025, India
- Department of Biosciences, Faculty of Natural Sciences, Jamia Millia Islamia (A Central University), New Delhi 110025, India
| | - Shumaila Siddiqui
- Department of Biotechnology, Faculty of Natural Sciences, Jamia Millia Islamia (A Central University), New Delhi 110025, India
| | - Syed Akhtar Husain
- Department of Biosciences, Faculty of Natural Sciences, Jamia Millia Islamia (A Central University), New Delhi 110025, India
| | - Sybille Mazurek
- Institute of Veterinary-Physiology and Biochemistry, University of Giessen, Giessen 35392, Germany
| | - Mohammad Askandar Iqbal
- Department of Biotechnology, Faculty of Natural Sciences, Jamia Millia Islamia (A Central University), New Delhi 110025, India
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156
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Ghergurovich JM, Lang JD, Levin MK, Briones N, Facista SJ, Mueller C, Cowan AJ, McBride MJ, Rodriguez ESR, Killian A, Dao T, Lamont J, Barron A, Su X, Hendricks WP, Espina V, Von Hoff DD, O’Shaughnessy J, Rabinowitz JD. Local production of lactate, ribose phosphate, and amino acids within human triple-negative breast cancer. MED 2021; 2:736-754. [PMID: 34223403 PMCID: PMC8248508 DOI: 10.1016/j.medj.2021.03.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND Upregulated glucose metabolism is a common feature of tumors. Glucose can be broken down by either glycolysis or the oxidative pentose phosphate pathway (oxPPP). The relative usage within tumors of these catabolic pathways remains unclear. Similarly, the extent to which tumors make biomass precursors from glucose, versus take them up from the circulation, is incompletely defined. METHODS We explore human triple negative breast cancer (TNBC) metabolism by isotope tracing with [1,2-13C]glucose, a tracer that differentiates glycolytic versus oxPPP catabolism and reveals glucose-driven anabolism. Patients enrolled in clinical trial NCT03457779 and received IV infusion of [1,2-13C]glucose during core biopsy of their primary TNBC. Tumor samples were analyzed for metabolite labeling by liquid chromatography-mass spectrometry (LC-MS). Genomic and proteomic analyses were performed and related to observed metabolic fluxes. FINDINGS TNBC ferments glucose to lactate, with glycolysis dominant over the oxPPP. Most ribose phosphate is nevertheless produced by oxPPP. Glucose also feeds amino acid synthesis, including of serine, glycine, aspartate, glutamate, proline and glutamine (but not asparagine). Downstream in glycolysis, tumor pyruvate and lactate labeling exceeds that found in serum, indicating that lactate exchange via monocarboxylic transporters is less prevalent in human TNBC compared with most normal tissues or non-small cell lung cancer. CONCLUSIONS Glucose directly feeds ribose phosphate, amino acid synthesis, lactate, and the TCA cycle locally within human breast tumors.
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Affiliation(s)
- Jonathan M. Ghergurovich
- Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ 08544, USA
- Department of Molecular Biology, Princeton University, Princeton, NJ 08544, USA
| | - Jessica D. Lang
- Integrated Cancer Genomics Division, Translational Genomics Research Institute (TGen), Phoenix, AZ 85004, USA
| | - Maren K. Levin
- Baylor Scott & White Research Institute, Dallas, TX 75204, USA
| | - Natalia Briones
- Integrated Cancer Genomics Division, Translational Genomics Research Institute (TGen), Phoenix, AZ 85004, USA
| | - Salvatore J. Facista
- Integrated Cancer Genomics Division, Translational Genomics Research Institute (TGen), Phoenix, AZ 85004, USA
| | - Claudius Mueller
- Center for Applied Proteomics and Molecular Medicine, George Mason University, Manassas, VA 20110, USA
| | - Alexis J. Cowan
- Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ 08544, USA
- Department of Molecular Biology, Princeton University, Princeton, NJ 08544, USA
| | - Matthew J. McBride
- Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ 08544, USA
- Department of Chemistry, Princeton University, Princeton, NJ 08544, USA
| | | | - Aaron Killian
- Baylor Scott & White Research Institute, Dallas, TX 75204, USA
| | - Tuoc Dao
- Baylor University Medical Center, Texas Oncology, US Oncology, Dallas, TX 75246, USA
| | - Jeffrey Lamont
- Baylor University Medical Center, Texas Oncology, US Oncology, Dallas, TX 75246, USA
| | - Alison Barron
- Baylor University Medical Center, Texas Oncology, US Oncology, Dallas, TX 75246, USA
| | - Xiaoyang Su
- Department of Medicine, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ 08901 USA
| | - William P.D. Hendricks
- Integrated Cancer Genomics Division, Translational Genomics Research Institute (TGen), Phoenix, AZ 85004, USA
| | - Virginia Espina
- Center for Applied Proteomics and Molecular Medicine, George Mason University, Manassas, VA 20110, USA
| | - Daniel D. Von Hoff
- Molecular Medicine Division, Translational Genomics Research Institute (TGen), Phoenix, AZ 85004, USA
| | - Joyce O’Shaughnessy
- Baylor University Medical Center, Texas Oncology, US Oncology, Dallas, TX 75246, USA
| | - Joshua D. Rabinowitz
- Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ 08544, USA
- Department of Chemistry, Princeton University, Princeton, NJ 08544, USA
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157
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Metabolic reprograming of antioxidant defense: a precision medicine perspective for radiotherapy of lung cancer? Biochem Soc Trans 2021; 49:1265-1277. [PMID: 34110407 DOI: 10.1042/bst20200866] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 05/13/2021] [Accepted: 05/18/2021] [Indexed: 12/13/2022]
Abstract
Radiotherapy plays a key role in the management of lung cancer patients in curative and palliative settings. Traditionally, radiotherapy was either given alone or in combination with surgery, classical cytotoxic chemotherapy, or both. Technical and physical innovations achieved during the last two decades have helped to enhance the accuracy of radiotherapy dose delivery and have facilitated geometric radiotherapy individualization. Furthermore, multimodal combinations with molecularly tailored drugs or immunotherapy yielded promising survival benefits in selected patients. Yet high locoregional failure rates and frequent development of metastases still limit the patient outcome. One major obstacle to successful treatment is the high molecular heterogeneity observed in lung cancer. So far, clinical radiotherapy does not routinely use the knowledge on molecular subtypes with regard to therapy individualization and predictive biomarkers are missing. Herein, altered cancer metabolism has attracted novel attention during recent years as it promotes tumor growth and progression as well as resistance to anticancer therapies. The present perspective will exemplarily highlight how clinically relevant molecular subtypes defined by co-occurring somatic mutations in KRAS-driven lung cancer impact the metabolic phenotype of cancer cells, how the metabolic phenotype supports intrinsic radioresistance by the improved antioxidant defense, and also discuss potential subtype-specific actionable metabolic vulnerabilities. Understanding metabolic phenotypes of radioresistance and metabolic bottlenecks of cancer cells undergoing radiotherapy in a cancer-specific context will offer largely unexploited future avenues for biological individualization and optimization of radiotherapy. Transcriptional profiles will provide additional benefit in defining metabolic phenotypes associated with radioresistance, particularly in cases, where such dependencies cannot be identified by specific somatic mutations.
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158
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The tissue expression of MCT3, MCT8, and MCT9 genes in women with breast cancer. Genes Genomics 2021; 43:1065-1077. [PMID: 34097251 DOI: 10.1007/s13258-021-01116-w] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Accepted: 05/27/2021] [Indexed: 12/17/2022]
Abstract
BACKGROUND Breast cancer (BC) is a common malignancy with a high mortality rate. Malignant cell transformation is associated with metabolic changes. One group of proteins that are affected is the monocarboxylate transporters (MCTs-SLC16A). The MCTs comprise 14 members, and they play an important role in the growth, proliferation, and metabolism of cancer cells by transporting monocarboxylates such as lactate, pyruvate and thyroid hormones. OBJECTIVE We aimed to evaluate the expression of MCT3 (SLC16A8), MCT8 (SLC16A2) and MCT9 (SLC16A9) genes in breast cancer samples, comparing to normal adjacent tissues. METHODS Forty paired breast cancer tumor samples, the adjacent non-tumor and five healthy tissues were collected. Three cancer cell lines (MCF-7, MDA-MB-231, and SKBR3) were also analyzed. The expression of SLC16A8, SLC16A2 and SLC16A9 were assessed using quantitative real-time PCR. The relationship between gene expression with the pathological features of the tumors, and the hormone receptors status of the patient's tumors were also analyzed. RESULTS There was a significantly lower expression of the MCT3 gene in tumor samples compared to adjacent normal tissue and healthy samples (p value < 0.05). There was a significant difference in the expression of all three candidate genes between the BC tissues and normal tissues, and for the, tissues with different hormone receptor status and the molecular subtypes. Altered MCT8 and MCT9 gene expression was associated with a reduced survival CONCLUSION: MCT3 expression is significantly downregulated in breast cancer tissue. MCT3 may represent a novel therapeutic target in breast cancer patients, or in some hormone receptor subgroups.
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159
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Zahan T, Das PK, Akter SF, Habib R, Rahman MH, Karim MR, Islam F. Therapy Resistance in Cancers: Phenotypic, Metabolic, Epigenetic and Tumour Microenvironmental Perspectives. Anticancer Agents Med Chem 2021; 20:2190-2206. [PMID: 32748758 DOI: 10.2174/1871520620999200730161829] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Revised: 05/02/2020] [Accepted: 05/17/2020] [Indexed: 12/11/2022]
Abstract
BACKGROUND Chemoresistance is a vital problem in cancer therapy where cancer cells develop mechanisms to encounter the effect of chemotherapeutics, resulting in cancer recurrence. In addition, chemotherapy- resistant leads to the formation of a more aggressive form of cancer cells, which, in turn, contributes to the poor survival of patients with cancer. OBJECTIVE In this review, we aimed to provide an overview of how the therapy resistance property evolves in cancer cells, contributing factors and their role in cancer chemoresistance, and exemplified the problems of some available therapies. METHODS The published literature on various electronic databases including, Pubmed, Scopus, Google scholar containing keywords cancer therapy resistance, phenotypic, metabolic and epigenetic factors, were vigorously searched, retrieved and analyzed. RESULTS Cancer cells have developed a range of cellular processes, including uncontrolled activation of Epithelial- Mesenchymal Transition (EMT), metabolic reprogramming and epigenetic alterations. These cellular processes play significant roles in the generation of therapy resistance. Furthermore, the microenvironment where cancer cells evolve effectively contributes to the process of chemoresistance. In tumour microenvironment immune cells, Mesenchymal Stem Cells (MSCs), endothelial cells and cancer-associated fibroblasts (CAFs) contribute to the maintenance of therapy-resistant phenotype via the secretion of factors that promote resistance to chemotherapy. CONCLUSION To conclude, as these factors hinder successful cancer therapies, therapeutic resistance property of cancer cells is a subject of intense research, which in turn could open a new horizon to aim for developing efficient therapies.
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Affiliation(s)
- Tasnim Zahan
- Molecular Mechanisms of Disease, Radboud University, Nijmegen, The Netherlands
| | - Plabon K Das
- Department of Biochemistry and Molecular Biology, University of Rajshahi, Rajshahi-6205, Bangladesh
| | - Syeda F Akter
- Department of Biochemistry and Molecular Biology, University of Rajshahi, Rajshahi-6205, Bangladesh
| | - Rowshanul Habib
- Department of Biochemistry and Molecular Biology, University of Rajshahi, Rajshahi-6205, Bangladesh
| | - Md Habibur Rahman
- Department of Biochemistry and Molecular Biology, University of Rajshahi, Rajshahi-6205, Bangladesh
| | - Md Rezaul Karim
- Department of Biochemistry and Molecular Biology, University of Rajshahi, Rajshahi-6205, Bangladesh
| | - Farhadul Islam
- Department of Biochemistry and Molecular Biology, University of Rajshahi, Rajshahi-6205, Bangladesh,Institute for Glycomics, Griffith University, Queensland, Australia
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160
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Frank AC, Raue R, Fuhrmann DC, Sirait-Fischer E, Reuse C, Weigert A, Lütjohann D, Hiller K, Syed SN, Brüne B. Lactate dehydrogenase B regulates macrophage metabolism in the tumor microenvironment. Am J Cancer Res 2021; 11:7570-7588. [PMID: 34158867 PMCID: PMC8210612 DOI: 10.7150/thno.58380] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 05/04/2021] [Indexed: 12/20/2022] Open
Abstract
Background: Glucose metabolism in the tumor-microenvironment is a fundamental hallmark for tumor growth and intervention therein remains an attractive option for anti-tumor therapy. Whether tumor-derived factors such as microRNAs (miRs) regulate glucose metabolism in stromal cells, especially in tumor-associated macrophages (TAMs), to hijack them for trophic support, remains elusive. Methods: Ago-RIP-Seq identified macrophage lactate dehydrogenase B (LDHB) as a target of tumor-derived miR-375 in both 2D/3D cocultures and in murine TAMs from a xenograft mouse model. The prognostic value was analyzed by ISH and multiplex IHC of breast cancer patient tissues. Functional consequences of the miR-375-LDHB axis in TAMs were investigated upon mimic/antagomir treatment by live metabolic flux assays, GC/MS, qPCR, Western blot, lentiviral knockdown and FACS. The therapeutic potential of a combinatorial miR-375-decoy/simvastatin treatment was validated by live cell imaging. Results: Macrophage LDHB decreased in murine and human breast carcinoma. LDHB downregulation increase aerobic glycolysis and lactagenesis in TAMs in response to tumor-derived miR-375. Lactagenesis reduced fatty acid synthesis but activated SREBP2, which enhanced cholesterol biosynthesis in macrophages. LDHB downregulation skewed TAMs to function as a lactate and sterol/oxysterol source for the proliferation of tumor cells. Restoring of LDHB expression potentiated inhibitory effects of simvastatin on tumor cell proliferation. Conclusion: Our findings identified a crucial role of LDHB in macrophages and established tumor-derived miR-375 as a novel regulator of macrophage metabolism in breast cancer, which might pave the way for strategies of combinatorial cancer cell/stroma cell interventions.
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161
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Jiang J, Huang D, Jiang Y, Hou J, Tian M, Li J, Sun L, Zhang Y, Zhang T, Li Z, Li Z, Tong S, Ma Y. Lactate Modulates Cellular Metabolism Through Histone Lactylation-Mediated Gene Expression in Non-Small Cell Lung Cancer. Front Oncol 2021; 11:647559. [PMID: 34150616 PMCID: PMC8208031 DOI: 10.3389/fonc.2021.647559] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 03/26/2021] [Indexed: 12/25/2022] Open
Abstract
Lactate has been observed to fuel TCA cycle and is associated with cancer progression in human lung cancer, the leading cause of cancer deaths worldwide, but the effect of lactate on lung cancer metabolism is rarely reported. In this study, disordered metabolism in non-small cell lung cancer was demonstrated by increased G6PD and SDHA protein levels via immunofluorescence, and up-regulated lactate dehydrogenase was found to be associated with poor prognosis. Then flow cytometry and Seahorse XFe analyzer were utilized to detect the effect of lactate on glycolysis and mitochondrial function in non-small cell lung cancer cells. The results show that in non-small cell lung cancer cells lactate attenuates glucose uptake and glycolysis while maintaining mitochondrial homeostasis as indicated by improved mitochondrial membrane potential. Further exploration found that mRNA levels of glycolytic enzymes (HK-1, PKM) and TCA cycle enzymes (SDHA, IDH3G) are respectively down-regulated and up-regulated by lactate, and increased histone lactylation was observed in promoters of HK-1 and IDH3G via chromatin immunoprecipitation assay. Taken together, the above results indicate that lactate modulates cellular metabolism at least in part through histone lactylation-mediated gene expression in non-small cell lung cancer.
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Affiliation(s)
- Jun Jiang
- Oncology Department, Affiliated Hospital of Qinghai University, Xining, China
| | - DengLiang Huang
- Central Laboratory, Affiliated Hospital of Qinghai University, Xining, China
| | - Yuan Jiang
- Central Laboratory, Affiliated Hospital of Qinghai University, Xining, China
| | - Jing Hou
- Central Laboratory, Affiliated Hospital of Qinghai University, Xining, China
| | - MeiYuan Tian
- Central Laboratory, Affiliated Hospital of Qinghai University, Xining, China
| | - JianHua Li
- Central Laboratory, Affiliated Hospital of Qinghai University, Xining, China
| | - Li Sun
- Central Laboratory, Affiliated Hospital of Qinghai University, Xining, China
| | - YaoGang Zhang
- Qinghai Province Research Key Laboratory of Echinococcosis, Affiliated Hospital of Qinghai University, Xining, China
| | - Tao Zhang
- Rehabilitation Department, Affiliated Hospital of Qinghai University, Xining, China
| | - ZhiQin Li
- Department of Scientific Research Office, Affiliated Hospital of Qinghai University, Xining, China
| | - ZhongCheng Li
- Oncology Department, Affiliated Hospital of Qinghai University, Xining, China
| | - SiXian Tong
- Department of Scientific Research Office, Affiliated Hospital of Qinghai University, Xining, China
| | - YanYan Ma
- Department of Scientific Research Office, Affiliated Hospital of Qinghai University, Xining, China
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162
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Vandyck HHLD, Hillen LM, Bosisio FM, van den Oord J, zur Hausen A, Winnepenninckx V. Rethinking the biology of metastatic melanoma: a holistic approach. Cancer Metastasis Rev 2021; 40:603-624. [PMID: 33870460 PMCID: PMC8213587 DOI: 10.1007/s10555-021-09960-8] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 03/29/2021] [Indexed: 02/06/2023]
Abstract
Over the past decades, melanoma-related mortality has remained nearly stable. The main reason is treatment failure of metastatic disease and the inherently linked knowledge gap regarding metastasis formation. In order to elicit invasion, melanoma cells manipulate the tumor microenvironment, gain motility, and adhere to the extracellular matrix and cancer-associated fibroblasts. Melanoma cells thereby express different cell adhesion molecules like laminins, integrins, N-cadherin, and others. Epithelial-mesenchymal transition (EMT) is physiological during embryologic development, but reactivated during malignancy. Despite not being truly epithelial, neural crest-derived malignancies like melanoma share similar biological programs that enable tumorigenesis, invasion, and metastasis. This complex phenomenon is termed phenotype switching and is intertwined with oncometabolism as well as dormancy escape. Additionally, it has been shown that primary melanoma shed exosomes that create a favorable premetastatic niche in the microenvironment of secondary organs and lymph nodes. Although the growing body of literature describes the aforementioned concepts separately, an integrative holistic approach is missing. Using melanoma as a tumor model, this review will shed light on these complex biological principles in an attempt to clarify the mechanistic metastatic pathways that dictate tumor and patient fate.
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Affiliation(s)
- Hendrik HLD Vandyck
- Department of Pathology, GROW-School for Oncology & Developmental Biology, Maastricht University Medical Center, MUMC+, PO Box 5800, 6202 AZ Maastricht, The Netherlands
| | - Lisa M Hillen
- Department of Pathology, GROW-School for Oncology & Developmental Biology, Maastricht University Medical Center, MUMC+, PO Box 5800, 6202 AZ Maastricht, The Netherlands
| | - Francesca M Bosisio
- Laboratory of Translational Cell and Tissue Research (TCTR), Department of Pathology, KU Leuven and UZ Leuven, Leuven, Belgium
| | - Joost van den Oord
- Laboratory of Translational Cell and Tissue Research (TCTR), Department of Pathology, KU Leuven and UZ Leuven, Leuven, Belgium
| | - Axel zur Hausen
- Department of Pathology, GROW-School for Oncology & Developmental Biology, Maastricht University Medical Center, MUMC+, PO Box 5800, 6202 AZ Maastricht, The Netherlands
| | - Véronique Winnepenninckx
- Department of Pathology, GROW-School for Oncology & Developmental Biology, Maastricht University Medical Center, MUMC+, PO Box 5800, 6202 AZ Maastricht, The Netherlands
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Yasuda T, Ishimoto T, Baba H. Conflicting metabolic alterations in cancer stem cells and regulation by the stromal niche. Regen Ther 2021; 17:8-12. [PMID: 33598509 PMCID: PMC7851492 DOI: 10.1016/j.reth.2021.01.005] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 01/06/2021] [Indexed: 12/22/2022] Open
Abstract
Recent studies have revealed that cancer stem cells (CSCs) undergo metabolic alterations that differentiate them from non-CSCs. Inhibition of specific metabolic pathways in CSCs has been conducted to eliminate the CSC population in many types of cancer. However, there is conflicting evidence about whether CSCs depend on glycolysis or mitochondrial oxidative phosphorylation (OXPHOS) to maintain their stem cell properties. This review summarizes the latest knowledge regarding CSC-specific metabolic alterations and offers recent evidence that the surrounding microenvironments may play an important role in the maintenance of CSC properties.
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Key Words
- ALDH, aldehyde dehydrogenase
- ATP, adenosine triphosphate
- CD44v, CD44 variant isoform
- CSCs
- CSCs, cancer stem cells
- EMT, epithelial–mesenchymal transition
- EVs, extracellular vesicles
- FAO, fatty acid oxidation
- FBP1, fructose-1,6-biphosphatase 1
- GLUT1, glucose transporter 1
- GP6, glucose-6-phosphate
- Glycolysis
- HCC, hepatocellular carcinoma
- HIF1a, hypoxia inducible factor 1a
- IMP2, insulin-like growth factor 2
- IncRNAs, long noncoding RNAs
- LSCs, leukemia stem cells
- Mitochondrial OXPHOS
- NRF2, nuclear factor erythroid 2–related factor 2
- OXPHOS, oxidative phosphorylation
- PDK1, pyruvate dehydrogenase kinase 1
- PPP, pentose phosphate pathway
- ROS
- ROS, reactive oxygen species
- SOD2, superoxide dismutase 2
- Stromal niche
- TCA, tricarboxylic acid
- TICs, tumor initiating stem-like cells
- mTORC1, mammalian target of rapamycin complex 1
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Affiliation(s)
- Tadahito Yasuda
- Department of Gastroenterological Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
- Gastrointestinal Cancer Biology, International Research Center for Medical Sciences (IRCMS), Kumamoto University, Kumamoto, Japan
| | - Takatsugu Ishimoto
- Department of Gastroenterological Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
- Gastrointestinal Cancer Biology, International Research Center for Medical Sciences (IRCMS), Kumamoto University, Kumamoto, Japan
| | - Hideo Baba
- Department of Gastroenterological Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
- Center for Metabolic Regulation of Healthy Aging, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
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164
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Khalaf K, Hana D, Chou JTT, Singh C, Mackiewicz A, Kaczmarek M. Aspects of the Tumor Microenvironment Involved in Immune Resistance and Drug Resistance. Front Immunol 2021; 12:656364. [PMID: 34122412 PMCID: PMC8190405 DOI: 10.3389/fimmu.2021.656364] [Citation(s) in RCA: 199] [Impact Index Per Article: 66.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 04/27/2021] [Indexed: 12/11/2022] Open
Abstract
The tumor microenvironment (TME) is a complex and ever-changing "rogue organ" composed of its own blood supply, lymphatic and nervous systems, stroma, immune cells and extracellular matrix (ECM). These complex components, utilizing both benign and malignant cells, nurture the harsh, immunosuppressive and nutrient-deficient environment necessary for tumor cell growth, proliferation and phenotypic flexibility and variation. An important aspect of the TME is cellular crosstalk and cell-to-ECM communication. This interaction induces the release of soluble factors responsible for immune evasion and ECM remodeling, which further contribute to therapy resistance. Other aspects are the presence of exosomes contributed by both malignant and benign cells, circulating deregulated microRNAs and TME-specific metabolic patterns which further potentiate the progression and/or resistance to therapy. In addition to biochemical signaling, specific TME characteristics such as the hypoxic environment, metabolic derangements, and abnormal mechanical forces have been implicated in the development of treatment resistance. In this review, we will provide an overview of tumor microenvironmental composition, structure, and features that influence immune suppression and contribute to treatment resistance.
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Affiliation(s)
- Khalil Khalaf
- Department of Cancer Diagnostics and Immunology, Greater Poland Cancer Center, Poznań, Poland
- Department of Cancer Immunology, Poznan University of Medical Sciences, Poznań, Poland
| | - Doris Hana
- Department of Cancer Diagnostics and Immunology, Greater Poland Cancer Center, Poznań, Poland
- Department of Cancer Immunology, Poznan University of Medical Sciences, Poznań, Poland
| | - Jadzia Tin-Tsen Chou
- Department of Cancer Diagnostics and Immunology, Greater Poland Cancer Center, Poznań, Poland
- Department of Cancer Immunology, Poznan University of Medical Sciences, Poznań, Poland
| | - Chandpreet Singh
- Department of Cancer Diagnostics and Immunology, Greater Poland Cancer Center, Poznań, Poland
- Department of Cancer Immunology, Poznan University of Medical Sciences, Poznań, Poland
| | - Andrzej Mackiewicz
- Department of Cancer Diagnostics and Immunology, Greater Poland Cancer Center, Poznań, Poland
- Department of Cancer Immunology, Poznan University of Medical Sciences, Poznań, Poland
| | - Mariusz Kaczmarek
- Department of Cancer Diagnostics and Immunology, Greater Poland Cancer Center, Poznań, Poland
- Department of Cancer Immunology, Poznan University of Medical Sciences, Poznań, Poland
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Cancer Cell Metabolism in Hypoxia: Role of HIF-1 as Key Regulator and Therapeutic Target. Int J Mol Sci 2021; 22:ijms22115703. [PMID: 34071836 PMCID: PMC8199012 DOI: 10.3390/ijms22115703] [Citation(s) in RCA: 146] [Impact Index Per Article: 48.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 05/18/2021] [Accepted: 05/24/2021] [Indexed: 12/13/2022] Open
Abstract
In order to meet the high energy demand, a metabolic reprogramming occurs in cancer cells. Its role is crucial in promoting tumor survival. Among the substrates in demand, oxygen is fundamental for bioenergetics. Nevertheless, tumor microenvironment is frequently characterized by low-oxygen conditions. Hypoxia-inducible factor 1 (HIF-1) is a pivotal modulator of the metabolic reprogramming which takes place in hypoxic cancer cells. In the hub of cellular bioenergetics, mitochondria are key players in regulating cellular energy. Therefore, a close crosstalk between mitochondria and HIF-1 underlies the metabolic and functional changes of cancer cells. Noteworthy, HIF-1 represents a promising target for novel cancer therapeutics. In this review, we summarize the molecular mechanisms underlying the interplay between HIF-1 and energetic metabolism, with a focus on mitochondria, of hypoxic cancer cells.
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Cancer-Associated Fibroblasts Regulate Bladder Cancer Invasion and Metabolic Phenotypes through Autophagy. DISEASE MARKERS 2021; 2021:6645220. [PMID: 34122670 PMCID: PMC8169272 DOI: 10.1155/2021/6645220] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 02/18/2021] [Accepted: 05/15/2021] [Indexed: 12/19/2022]
Abstract
Recently, both cancer-associated fibroblasts (CAFs) and autophagy have been proven to play an important role in tumor development, including bladder cancer (BCa). However, the real mechanisms remain largely unclear. Here, we reconstruct a mimic tumor microenvironment to explore the interaction between CAFs and the BCa cell line T24 using a coculture system. Autophagy in CAFs was induced or inhibited by rapamycin or siRNA, respectively. After coculture with CAFs, T24 cell proliferation, invasion, and aerobic glycolysis were tested in vitro. Rapamycin induced and siAtg5 inhibited autophagy in CAFs. Enhanced autophagy in CAFs promoted cell proliferation and invasion in T24 cells in vitro, while there was no significant difference between the autophagy-inhibited group and the controls. Lactate concentration was elevated in both rapamycin-treated and siAtg5-treated groups compared with the control group. In addition, the expression levels of MCT1, MCT4, HK2, SLC2A1, and MMP-9 were all increased in T24 cells in the autophagy-enhanced group. Our results indicated that CAFs could regulate BCa invasion and metabolic phenotypes through autophagy, providing us with new alternative treatments for BCa in the future.
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The Acidic Brain-Glycolytic Switch in the Microenvironment of Malignant Glioma. Int J Mol Sci 2021; 22:ijms22115518. [PMID: 34073734 PMCID: PMC8197239 DOI: 10.3390/ijms22115518] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Revised: 05/16/2021] [Accepted: 05/19/2021] [Indexed: 12/15/2022] Open
Abstract
Malignant glioma represents a fatal disease with a poor prognosis and development of resistance mechanisms against conventional therapeutic approaches. The distinct tumor zones of this heterogeneous neoplasm develop their own microenvironment, in which subpopulations of cancer cells communicate. Adaptation to hypoxia in the center of the expanding tumor mass leads to the glycolytic and angiogenic switch, accompanied by upregulation of different glycolytic enzymes, transporters, and other metabolites. These processes render the tumor microenvironment more acidic, remodel the extracellular matrix, and create energy gradients for the metabolic communication between different cancer cells in distinct tumor zones. Escape mechanisms from hypoxia-induced cell death and energy deprivation are the result. The functional consequences are more aggressive and malignant behavior with enhanced proliferation and survival, migration and invasiveness, and the induction of angiogenesis. In this review, we go from the biochemical principles of aerobic and anaerobic glycolysis over the glycolytic switch, regulated by the key transcription factor hypoxia-inducible factor (HIF)-1α, to other important metabolic players like the monocarboxylate transporters (MCTs)1 and 4. We discuss the metabolic symbiosis model via lactate shuttling in the acidic tumor microenvironment and highlight the functional consequences of the glycolytic switch on glioma malignancy. Furthermore, we illustrate regulation by micro ribonucleic acids (miRNAs) and the connection between isocitrate dehydrogenase (IDH) mutation status and glycolytic metabolism. Finally, we give an outlook about the diagnostic and therapeutic implications of the glycolytic switch and the relation to tumor immunity in malignant glioma.
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168
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Wang D, Hartman R, Han C, Zhou CM, Couch B, Malkamaki M, Roginskaya V, Van Houten B, Mullett SJ, Wendell SG, Jurczak MJ, Kang J, Lee J, Sowa G, Vo N. Lactate oxidative phosphorylation by annulus fibrosus cells: evidence for lactate-dependent metabolic symbiosis in intervertebral discs. Arthritis Res Ther 2021; 23:145. [PMID: 34020698 PMCID: PMC8139157 DOI: 10.1186/s13075-021-02501-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Accepted: 04/03/2021] [Indexed: 01/03/2023] Open
Abstract
Background Intervertebral disc degeneration contributes to low back pain. The avascular intervertebral disc consists of a central hypoxic nucleus pulpous (NP) surrounded by the more oxygenated annulus fibrosus (AF). Lactic acid, an abundant end-product of NP glycolysis, has long been viewed as a harmful waste that acidifies disc tissue and decreases cell viability and function. As lactic acid is readily converted into lactate in disc tissue, the objective of this study was to determine whether lactate could be used by AF cells as a carbon source rather than being removed from disc tissue as a waste byproduct. Methods Import and conversion of lactate to tricarboxylic acid (TCA) cycle intermediates and amino acids in rabbit AF cells were measured by heavy-isotope (13C-lactate) tracing experiments using mass spectrometry. Levels of protein expression of lactate converting enzymes, lactate importer and exporter in NP and AF tissues were quantified by Western blots. Effects of lactate on proteoglycan (35S-sulfate) and collagen (3H-proline) matrix protein synthesis and oxidative phosphorylation (Seahorse XFe96 Extracellular Flux Analyzer) in AF cells were assessed. Results Heavy-isotope tracing experiments revealed that AF cells imported and converted lactate into TCA cycle intermediates and amino acids using in vitro cell culture and in vivo models. Addition of exogenous lactate (4mM) in culture media induced expression of the lactate importer MCT1 and increased oxygen consumption rate by 50%, mitochondrial ATP-linked respiration by 30%, and collagen synthesis by 50% in AF cell cultures grown under physiologic oxygen (2-5% O2) and glucose concentration (1-5mM). AF tissue highly expresses MCT1, LDH-H, an enzyme that preferentially converts lactate to pyruvate, and PDH, an enzyme that converts pyruvate to acetyl-coA. In contrast, NP tissue highly expresses MCT4, a lactate exporter, and LDH-M, an enzyme that preferentially converts pyruvate to lactate. Conclusions These findings support disc lactate-dependent metabolic symbiosis in which lactate produced by the hypoxic, glycolytic NP cells is utilized by the more oxygenated AF cells via oxidative phosphorylation for energy and matrix production, thus shifting the current research paradigm of viewing disc lactate as a waste product to considering it as an important biofuel. These scientifically impactful results suggest novel therapeutic targets in disc metabolism and degeneration. Supplementary Information The online version contains supplementary material available at 10.1186/s13075-021-02501-2.
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Affiliation(s)
- Dong Wang
- Department of Orthopaedic Surgery, Ferguson Laboratory for Orthopedic and Spine Research, University of Pittsburgh, 200 Lothrop Street, E1644 Biomedical Science Tower, Pittsburgh, PA, 15261, USA
| | - Robert Hartman
- Department of Orthopaedic Surgery, Ferguson Laboratory for Orthopedic and Spine Research, University of Pittsburgh, 200 Lothrop Street, E1644 Biomedical Science Tower, Pittsburgh, PA, 15261, USA.,University of Pittsburgh Medical Center Enterprises, Pittsburgh, PA, 15213, USA
| | - Chao Han
- Department of Orthopaedic Surgery, Ferguson Laboratory for Orthopedic and Spine Research, University of Pittsburgh, 200 Lothrop Street, E1644 Biomedical Science Tower, Pittsburgh, PA, 15261, USA.,Tianjin Hospital, 406 Jiefang South Road Hexi District, Tianjin, PR China
| | - Chao-Ming Zhou
- Department of Orthopaedic Surgery, Ferguson Laboratory for Orthopedic and Spine Research, University of Pittsburgh, 200 Lothrop Street, E1644 Biomedical Science Tower, Pittsburgh, PA, 15261, USA
| | - Brandon Couch
- Department of Orthopaedic Surgery, Ferguson Laboratory for Orthopedic and Spine Research, University of Pittsburgh, 200 Lothrop Street, E1644 Biomedical Science Tower, Pittsburgh, PA, 15261, USA
| | - Matias Malkamaki
- Department of Orthopaedic Surgery, Ferguson Laboratory for Orthopedic and Spine Research, University of Pittsburgh, 200 Lothrop Street, E1644 Biomedical Science Tower, Pittsburgh, PA, 15261, USA
| | - Vera Roginskaya
- Department of Pharmacology and Chemical Biology, University of Pittsburgh, 5117 Centre Avenue, Pittsburgh, PA, 15213, USA
| | - Bennett Van Houten
- Department of Pharmacology and Chemical Biology, University of Pittsburgh, 5117 Centre Avenue, Pittsburgh, PA, 15213, USA
| | - Steven J Mullett
- Department of Pharmacology and Chemical Biology, University of Pittsburgh, 5117 Centre Avenue, Pittsburgh, PA, 15213, USA.,Health Sciences Metabolomics and Lipidomics Core, University of Pittsburgh, Pittsburgh, PA, USA
| | - Stacy G Wendell
- Department of Pharmacology and Chemical Biology, University of Pittsburgh, 5117 Centre Avenue, Pittsburgh, PA, 15213, USA.,Health Sciences Metabolomics and Lipidomics Core, University of Pittsburgh, Pittsburgh, PA, USA
| | - Michael J Jurczak
- Department of Medicine, Division of Endocrinology and Metabolism, University of Pittsburgh, Pittsburgh, PA, USA.,Center for Metabolism and Mitochondrial Medicine, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - James Kang
- Department of Orthopedics, Brigham and Women's Hospital, School of Medicine, Harvard University, 75 Francis Street, Boston, MA, 02115, USA
| | - Joon Lee
- Department of Orthopaedic Surgery, Ferguson Laboratory for Orthopedic and Spine Research, University of Pittsburgh, 200 Lothrop Street, E1644 Biomedical Science Tower, Pittsburgh, PA, 15261, USA
| | - Gwendolyn Sowa
- Department of Orthopaedic Surgery, Ferguson Laboratory for Orthopedic and Spine Research, University of Pittsburgh, 200 Lothrop Street, E1644 Biomedical Science Tower, Pittsburgh, PA, 15261, USA. .,Department of Physical Medicine and Rehabilitation, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15219, USA.
| | - Nam Vo
- Department of Orthopaedic Surgery, Ferguson Laboratory for Orthopedic and Spine Research, University of Pittsburgh, 200 Lothrop Street, E1644 Biomedical Science Tower, Pittsburgh, PA, 15261, USA.
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Jiang Z, Shi Y, Zhao W, Zhang Y, Xie Y, Zhang B, Tan G, Wang Z. Development of an Immune-Related Prognostic Index Associated With Glioblastoma. Front Neurol 2021; 12:610797. [PMID: 34093386 PMCID: PMC8172186 DOI: 10.3389/fneur.2021.610797] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 04/06/2021] [Indexed: 12/12/2022] Open
Abstract
Background: Although the tumor microenvironment (TME) is known to influence the prognosis of glioblastoma (GBM), the underlying mechanisms are not clear. This study aims to identify hub genes in the TME that affect the prognosis of GBM. Methods: The transcriptome profiles of the central nervous systems of GBM patients were downloaded from The Cancer Genome Atlas (TCGA). The ESTIMATE scoring algorithm was used to calculate immune and stromal scores. The application of these scores in histology classification was tested. Univariate Cox regression analysis was conducted to identify genes with prognostic value. Subsequently, functional enrichment analysis and protein-protein interaction (PPI) network analysis were performed to reveal the pathways and biological functions associated with the genes. Next, these prognosis genes were validated in an independent GBM cohort from the Chinese Glioma Genome Atlas (CGGA). Finally, the efficacy of current antitumor drugs targeting these genes against glioma was evaluated. Results: Gene expression profiles and clinical data of 309 GBM samples were obtained from TCGA database. Higher immune and stromal scores were found to be significantly correlated with tissue type and poor overall survival (OS) (p = 0.15 and 0.77, respectively). Functional enrichment analysis identified 860 upregulated and 162 downregulated cross genes, which were mainly linked to immune response, inflammatory response, cell membrane, and receptor activity. Survival analysis identified 228 differentially expressed genes associated with the prognosis of GBM (p ≤ 0.05). A total of 48 hub genes were identified by the Cytoscape tool, and pathway enrichment analysis of the genes was performed using Database for Annotation, Visualization and Integrated Discovery (DAVID). The 228 genes were validated in an independent GBM cohort from the CGGA. In total, 10 genes were found to be significantly associated with prognosis of GBM. Finally, 14 antitumor drugs were identified by drug-gene interaction analysis. Conclusions: Here, 10 TME-related genes and 14 corresponding antitumor agents were found to be associated with the prognosis and OS of GBM.
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Affiliation(s)
- Zhengye Jiang
- Department of Neurosurgery, Xiamen Key Laboratory of Brain Center, The First Affiliated Hospital of Xiamen University, Xiamen, China
- School of Medicine, Institute of Neurosurgery, Xiamen University, Xiamen, China
| | - Yanxi Shi
- Department of Cardiology, Jiaxing Second Hospital, Jiaxing, China
| | - Wenpeng Zhao
- Department of Neurosurgery, Xiamen Key Laboratory of Brain Center, The First Affiliated Hospital of Xiamen University, Xiamen, China
- School of Medicine, Institute of Neurosurgery, Xiamen University, Xiamen, China
| | - Yaya Zhang
- Department of Neurosurgery, Xiamen Key Laboratory of Brain Center, The First Affiliated Hospital of Xiamen University, Xiamen, China
- School of Medicine, Institute of Neurosurgery, Xiamen University, Xiamen, China
| | - Yuanyuan Xie
- Department of Neurosurgery, Xiamen Key Laboratory of Brain Center, The First Affiliated Hospital of Xiamen University, Xiamen, China
- School of Medicine, Institute of Neurosurgery, Xiamen University, Xiamen, China
| | - Bingchang Zhang
- Department of Neurosurgery, Xiamen Key Laboratory of Brain Center, The First Affiliated Hospital of Xiamen University, Xiamen, China
- School of Medicine, Institute of Neurosurgery, Xiamen University, Xiamen, China
| | - Guowei Tan
- Department of Neurosurgery, Xiamen Key Laboratory of Brain Center, The First Affiliated Hospital of Xiamen University, Xiamen, China
- School of Medicine, Institute of Neurosurgery, Xiamen University, Xiamen, China
| | - Zhanxiang Wang
- Department of Neurosurgery, Xiamen Key Laboratory of Brain Center, The First Affiliated Hospital of Xiamen University, Xiamen, China
- School of Medicine, Institute of Neurosurgery, Xiamen University, Xiamen, China
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Minami N, Tanaka K, Sasayama T, Kohmura E, Saya H, Sampetrean O. Lactate Reprograms Energy and Lipid Metabolism in Glucose-Deprived Oxidative Glioma Stem Cells. Metabolites 2021; 11:metabo11050325. [PMID: 34070154 PMCID: PMC8158503 DOI: 10.3390/metabo11050325] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 05/11/2021] [Accepted: 05/13/2021] [Indexed: 12/28/2022] Open
Abstract
Fast-growing tumors satisfy their bioenergetic needs by supplementing glucose with alternative carbon sources. Cancer stem cells are the most versatile and robust cells within malignant tumors. They avoid potentially lethal metabolic and other types of stress through flexible reprogramming of relevant pathways, but it has remained unclear whether alternative carbon sources are important for the maintenance of their tumor-propagating ability. Here we assessed the ability of glycolytic and oxidative murine glioma stem cells (GSCs) to grow in an ultralow glucose medium. Sphere formation assays revealed that exogenous lactate and acetate reversed the growth impairment of oxidative GSCs in such medium. Extracellular flux analysis showed that lactate supported oxygen consumption in these cells, whereas metabolomics analysis revealed that it increased the intracellular levels of tricarboxylic acid cycle intermediates, ATP, and GTP as well as increased adenylate and guanylate charge. Lactate also reversed the depletion of choline apparent in the glucose-deprived cells as well as reprogrammed phospholipid and fatty acid biosynthesis. This metabolic reprogramming was associated with a more aggressive phenotype of intracranial tumors formed by lactate-treated GSCs. Our results thus suggest that lactate is an important alternative energetic and biosynthetic substrate for oxidative GSCs, and that it sustains their growth under conditions of glucose deprivation.
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Affiliation(s)
- Noriaki Minami
- Division of Gene Regulation, Institute for Advanced Medical Research, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan; (N.M.); (H.S.)
- Department of Neurosurgery, Kobe University Graduate School of Medicine, 7-5-1, Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan; (K.T.); (T.S.); (E.K.)
| | - Kazuhiro Tanaka
- Department of Neurosurgery, Kobe University Graduate School of Medicine, 7-5-1, Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan; (K.T.); (T.S.); (E.K.)
| | - Takashi Sasayama
- Department of Neurosurgery, Kobe University Graduate School of Medicine, 7-5-1, Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan; (K.T.); (T.S.); (E.K.)
| | - Eiji Kohmura
- Department of Neurosurgery, Kobe University Graduate School of Medicine, 7-5-1, Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan; (K.T.); (T.S.); (E.K.)
| | - Hideyuki Saya
- Division of Gene Regulation, Institute for Advanced Medical Research, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan; (N.M.); (H.S.)
| | - Oltea Sampetrean
- Division of Gene Regulation, Institute for Advanced Medical Research, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan; (N.M.); (H.S.)
- Correspondence: ; Tel.: +81-3-5363-3983
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Ademi H, Shinde DA, Gassmann M, Gerst D, Chaachouay H, Vogel J, Gorr TA. Targeting neovascularization and respiration of tumor grafts grown on chick embryo chorioallantoic membranes. PLoS One 2021; 16:e0251765. [PMID: 33999935 PMCID: PMC8128225 DOI: 10.1371/journal.pone.0251765] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 05/02/2021] [Indexed: 12/25/2022] Open
Abstract
Since growing tumors stimulate angiogenesis, via vascular endothelial growth factor (VEGF), angiogenesis inhibitors (AIs, blockers of the VEGF signaling pathway) have been introduced to cancer therapy. However, AIs often yielded only modest and short-lived gains in cancer patients and more invasive tumor phenotypes in animal models. Combining anti-VEGF strategies with lactate uptake blockers may boost both efficacy and safety of AIs. We assessed this hypothesis by using the ex ovo chorioallantoic membrane (CAM) assay. We show that AI-based monotherapy (Avastin®, AVA) increases tumor hypoxia in human CAM cancer cell xenografts and cell spread in human as well as canine CAM cancer cell xenografts. In contrast, combining AVA treatment with lactate importer MCT1 inhibitors (α-cyano-4-hydroxycinnamic acid (CHC) or AZD3965 (AZD)) reduced both tumor growth and cell dissemination of human and canine explants. Moreover, combining AVA+AZD diminished blood perfusion and tumor hypoxia in human explants. Thus, the ex ovo CAM assay as an easy, fast and cheap experimental setup is useful for pre-clinical cancer research. Moreover, as an animal-free experimental setup the CAM assay can reduce the high number of laboratory animals used in pre-clinical cancer research.
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Affiliation(s)
- Hyrije Ademi
- Institute of Veterinary Physiology, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
- Center for Clinical Studies at the Vetsuisse Faculty of the University of Zurich, Zurich, Switzerland
| | - Dheeraj A. Shinde
- Institute of Veterinary Physiology, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
| | - Max Gassmann
- Institute of Veterinary Physiology, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
- Zurich Centre for Integrative Human Physiology (ZIHP), University of Zurich, Zurich, Switzerland
| | - Daniela Gerst
- Institute of Veterinary Physiology, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
| | - Hassan Chaachouay
- Division of Radiation Oncology, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
- Bioactives, Health & Environment Laboratory, Epigenetics, Health & Environment Unit, Faculty of Science and Techniques, Moulay Ismail University, Errachidia, Morocco
| | - Johannes Vogel
- Institute of Veterinary Physiology, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
| | - Thomas A. Gorr
- Institute of Veterinary Physiology, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
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High metabolic heterogeneity on baseline 18FDG-PET/CT scan as a poor prognostic factor for newly diagnosed diffuse large B-cell lymphoma. Blood Adv 2021; 4:2286-2296. [PMID: 32453838 DOI: 10.1182/bloodadvances.2020001816] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Accepted: 04/19/2020] [Indexed: 12/11/2022] Open
Abstract
Metabolic heterogeneity (MH) can be measured using 18F-fluorodeoxyglucose (18FDG) positron emission tomography/computed tomography (PET/CT), and it indicates an inhomogeneous tumor microenvironment. High MH has been shown to predict a worse prognosis for primary mediastinal B-cell lymphoma, whereas its prognostic value in diffuse large B-cell lymphoma (DLBCL) remains to be determined. In the current study, we investigated the prognostic values of MH evaluated in newly diagnosed DLBCL. In the training cohort, 86 patients treated with cyclophosphamide, doxorubicin, vincristine, and prednisone-like chemotherapies were divided into low-MH and high-MH groups using receiver operating characteristic analysis. MH was not correlated with metabolic tumor volume of the corresponding lesion, indicating that MH was independent of tumor burden. At 5 years, overall survivals were 89.5% vs 61.2% (P = .0122) and event-free survivals were 73.1% vs 51.1% (P = .0327) in the low- and high-MH groups, respectively. A multivariate Cox-regression analysis showed that MH was an independent predictive factor for overall survival. The adverse prognostic impacts of high MH were confirmed in an independent validation cohort with 64 patients. In conclusion, MH on baseline 18FDG-PET/CT scan predicts treatment outcomes for patients with newly diagnosed DLBCL.
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173
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Holland P, Hagopian WM, Jahren AH, Rusten TE. Natural abundance isotope ratios to differentiate sources of carbon used during tumor growth in vivo. BMC Biol 2021; 19:85. [PMID: 33966633 PMCID: PMC8108461 DOI: 10.1186/s12915-021-01012-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 03/24/2021] [Indexed: 12/31/2022] Open
Abstract
Background Radioactive or stable isotopic labeling of metabolites is a strategy that is routinely used to map the cellular fate of a selected labeled metabolite after it is added to cell culture or to the circulation of an animal. However, a labeled metabolite can be enzymatically changed in cellular metabolism, complicating the use of this experimental strategy to understand how a labeled metabolite moves between organs. These methods are also technically demanding, expensive and potentially toxic. To allow quantification of the bulk movement of metabolites between organs, we have developed a novel application of stable isotope ratio mass spectrometry (IRMS). Results We exploit natural differences in 13C/12C ratios of plant nutrients for a low-cost and non-toxic carbon labeling, allowing a measurement of bulk carbon transfer between organs in vivo. IRMS measurements were found to be sufficiently sensitive to measure organs from individual Drosophila melanogaster larvae, giving robust measurements down to 2.5 μg per sample. We apply the method to determine if carbon incorporated into a growing solid tumor is ultimately derived from food or host tissues. Conclusion Measuring tumor growth in a D. melanogaster larvae tumor model reveals that these tumors derive a majority of carbon from host sources. We believe the low cost and non-toxic nature of this methodology gives it broad applicability to study carbon flows between organs also in other animals and for a range of other biological questions. Supplementary Information The online version contains supplementary material available at 10.1186/s12915-021-01012-5.
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Affiliation(s)
- Petter Holland
- Centre for Cancer Cell Reprogramming, Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Montebello, N-0379, Oslo, Norway. .,Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, Montebello, N-0379, Oslo, Norway.
| | - William M Hagopian
- Centre for Earth Evolution and Dynamics, University of Oslo, Blindern, N-0315, Oslo, Norway
| | - A Hope Jahren
- Centre for Earth Evolution and Dynamics, University of Oslo, Blindern, N-0315, Oslo, Norway
| | - Tor Erik Rusten
- Centre for Cancer Cell Reprogramming, Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Montebello, N-0379, Oslo, Norway. .,Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, Montebello, N-0379, Oslo, Norway.
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174
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Latzko L, Schöpf B, Weissensteiner H, Fazzini F, Fendt L, Steiner E, Bruckmoser E, Schäfer G, Moncayo RC, Klocker H, Laimer J. Implications of Standardized Uptake Values of Oral Squamous Cell Carcinoma in PET-CT on Prognosis, Tumor Characteristics and Mitochondrial DNA Heteroplasmy. Cancers (Basel) 2021; 13:2273. [PMID: 34068489 PMCID: PMC8125984 DOI: 10.3390/cancers13092273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 04/17/2021] [Accepted: 05/05/2021] [Indexed: 11/27/2022] Open
Abstract
Under aerobic conditions, some cancers switch to glycolysis to cover their energy requirements. Taking advantage of this process, functional imaging techniques such as PET-CT can be used to detect and assess tumorous tissues. The aim of this study was to investigate standardized uptake values and mitochondrial DNA mutations in oral squamous cell carcinoma. A cohort of 57 patients underwent 18[F]FDG-PET-CT and standardized uptake values were collected. In 15 patients, data on mitochondrial DNA mutations of the tumor were available. Kaplan-Meier curves were calculated, and correlation analyses as well as univariate Cox proportional hazard models were performed. Using ROC analysis to determine a statistical threshold for SUVmax in PET investigations, a cut-off value was determined at 9.765 MB/mL. Survival analysis for SUVmax in these groups showed a Hazard Ratio of 4 (95% CI 1.7-9) in the high SUVmax group with 5-year survival rates of 23.5% (p = 0.00042). For SUVmax and clinicopathological tumor features, significant correlations were found. A tendency towards higher mtDNA heteroplasmy levels in high SUVmax groups could be observed. We were able to confirm the prognostic value of SUVmax in OSCC, showing higher survival rates at lower SUVmax levels. Correlations between SUVmax and distinct tumor characteristics were highly significant, providing evidence that SUVmax may act as a reliable diagnostic parameter. Correlation analysis of mtDNA mutations suggests an influence on metabolic activity in OSCC.
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Affiliation(s)
- Lukas Latzko
- University Hospital for Craniomaxillofacial and Oral Surgery, Medical University of Innsbruck, A-6020 Innsbruck, Austria;
| | - Bernd Schöpf
- Institute of Genetic Epidemiology, Department of Genetics and Pharmacology, Medical University of Innsbruck, A-6020 Innsbruck, Austria; (B.S.); (H.W.); (F.F.); (L.F.)
| | - Hansi Weissensteiner
- Institute of Genetic Epidemiology, Department of Genetics and Pharmacology, Medical University of Innsbruck, A-6020 Innsbruck, Austria; (B.S.); (H.W.); (F.F.); (L.F.)
| | - Federica Fazzini
- Institute of Genetic Epidemiology, Department of Genetics and Pharmacology, Medical University of Innsbruck, A-6020 Innsbruck, Austria; (B.S.); (H.W.); (F.F.); (L.F.)
| | - Liane Fendt
- Institute of Genetic Epidemiology, Department of Genetics and Pharmacology, Medical University of Innsbruck, A-6020 Innsbruck, Austria; (B.S.); (H.W.); (F.F.); (L.F.)
| | - Eberhard Steiner
- Division of Experimental Urology, Department of Urology, Medical University of Innsbruck, A-6020 Innsbruck, Austria; (E.S.); (H.K.)
| | - Emanuel Bruckmoser
- Oral and Maxillofacial Surgeon, Private Practice, A-5020 Salzburg, Austria;
| | - Georg Schäfer
- Institute for Pathology, Neuropathology and Molecular Pathology, Medical University of Innsbruck, A-6020 Innsbruck, Austria;
| | | | - Helmut Klocker
- Division of Experimental Urology, Department of Urology, Medical University of Innsbruck, A-6020 Innsbruck, Austria; (E.S.); (H.K.)
| | - Johannes Laimer
- University Hospital for Craniomaxillofacial and Oral Surgery, Medical University of Innsbruck, A-6020 Innsbruck, Austria;
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175
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Prasad P, Ghosh S, Roy SS. Glutamine deficiency promotes stemness and chemoresistance in tumor cells through DRP1-induced mitochondrial fragmentation. Cell Mol Life Sci 2021; 78:4821-4845. [PMID: 33895866 PMCID: PMC11073067 DOI: 10.1007/s00018-021-03818-6] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 02/11/2021] [Accepted: 03/20/2021] [Indexed: 12/11/2022]
Abstract
Glutamine is essential for maintaining the TCA cycle in cancer cells yet they undergo glutamine starvation in the core of tumors. Cancer stem cells (CSCs), responsible for tumor recurrence are often found in the nutrient limiting cores. Our study uncovers the molecular basis and cellular links between glutamine deprivation and stemness in the cancer cells. We showed that glutamine is dispensable for the survival of ovarian and colon cancer cells while it is required for their proliferation. Glutamine starvation leads to the metabolic reprogramming in tumor cells with enhanced glycolysis and unaltered oxidative phosphorylation. Production of reactive oxygen species (ROS) in glutamine limiting condition induces MAPK-ERK1/2 signaling pathway to phosphorylate dynamin-related protein-1(DRP1) at Ser616. Moreover, p-DRP1 promotes mitochondrial fragmentation and enhances numbers of CD44 and CD117/CD45 positive CSCs. Besides the established features of cancer stem cells, glutamine deprivation induces perinuclear localization of fragmented mitochondria and reduction in proliferation rate which are usually observed in CSCs. Treatment with glutaminase inhibitor (L-DON) mimics the effects of glutamine starvation without altering cell survival in in vitro as well as in in vivo model. Interestingly, the combinatorial treatment of L-DON with DRP1 inhibitor (MDiVi-1) reduces the stem cell population in tumor tissue in mouse model. Collectively our data suggest that glutamine deficiency in the core of tumors can increase the cancer stem cell population and the combination therapy with MDiVi-1 and L-DON is a useful approach to reduce CSCs population in tumor.
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Affiliation(s)
- Parash Prasad
- Cell Biology and Physiology Division, CSIR-Indian Institute of Chemical Biology, 4 Raja S. C. Mullick Road, Kolkata, 700032, India
| | - Sampurna Ghosh
- Cell Biology and Physiology Division, CSIR-Indian Institute of Chemical Biology, 4 Raja S. C. Mullick Road, Kolkata, 700032, India
| | - Sib Sankar Roy
- Cell Biology and Physiology Division, CSIR-Indian Institute of Chemical Biology, 4 Raja S. C. Mullick Road, Kolkata, 700032, India.
- Academy of Scientific and Innovative Research, CSIR-Indian Institute of Chemical Biology Campus, 4 Raja S. C. Mullick Road, Kolkata, 700032, India.
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176
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Di Ianni N, Musio S, Pellegatta S. Altered Metabolism in Glioblastoma: Myeloid-Derived Suppressor Cell (MDSC) Fitness and Tumor-Infiltrating Lymphocyte (TIL) Dysfunction. Int J Mol Sci 2021; 22:ijms22094460. [PMID: 33923299 PMCID: PMC8123145 DOI: 10.3390/ijms22094460] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 04/18/2021] [Accepted: 04/21/2021] [Indexed: 12/18/2022] Open
Abstract
The metabolism of glioblastoma (GBM), the most aggressive and lethal primary brain tumor, is flexible and adaptable to different adverse conditions, such as nutrient deprivation. Beyond glycolysis, altered lipid metabolism is implicated in GBM progression. Indeed, metabolic subtypes were recently identified based on divergent glucose and lipid metabolism. GBM is also characterized by an immunosuppressive microenvironment in which myeloid-derived suppressor cells (MDSCs) are a powerful ally of tumor cells. Increasing evidence supports the interconnection between GBM and MDSC metabolic pathways. GBM cells exert a crucial contribution to MDSC recruitment and maturation within the tumor microenvironment, where the needs of tumor-infiltrating lymphocytes (TILs) with antitumor function are completely neglected. In this review, we will discuss the unique or alternative source of energy exploited by GBM and MDSCs, exploring how deprivation of specific nutrients and accumulation of toxic byproducts can induce T-cell dysfunction. Understanding the metabolic programs of these cell components and how they impact fitness or dysfunction will be useful to improve treatment modalities, including immunotherapeutic strategies.
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177
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MCT4 Promotes Tumor Malignancy in F98 Glioma Cells. JOURNAL OF ONCOLOGY 2021; 2021:6655529. [PMID: 33936203 PMCID: PMC8060090 DOI: 10.1155/2021/6655529] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Revised: 03/16/2021] [Accepted: 03/25/2021] [Indexed: 12/31/2022]
Abstract
Monocarboxylate transporter 4 (MCT4, SLC16A3) is elevated under hypoxic conditions in many malignant tumors including gliomas. Moreover, MCT4 expression is associated with shorter overall survival. However, the functional consequences of MCT4 expression on the distinct hallmarks of cancer have not yet been explored at the cellular level. Here, we investigated the impact of MCT4 overexpression on proliferation, survival, cell death, migration, invasion, and angiogenesis in F98 glioma cells. Stable F98 glioma cell lines with MCT4 overexpression, normal expression, and knockdown were generated. Distinct hallmarks of cancer were examined using in silico analysis, various in vitro cell culture assays, and ex vivo organotypic rat brain slice culture model. Consistent with its function as lactate and proton exporter, MCT4 expression levels correlated inversely with extracellular pH and proportionally with extracellular lactate concentrations. Our results further indicate that MCT4 promotes proliferation and survival by altered cell cycle regulation and cell death mechanisms. Moreover, MCT4 overexpression enhances cell migration and invasiveness via reorganization of the actin cytoskeleton. Finally, MCT4 inhibition mitigates the induction of angiogenesis, suggesting that MCT4 also plays a crucial role in tumor-related angiogenesis. In summary, our data highlight MCT4/SLC16A3 as a key gene for distinct hallmarks of tumor malignancy in glioma cells.
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178
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Prochownik EV, Wang H. The Metabolic Fates of Pyruvate in Normal and Neoplastic Cells. Cells 2021; 10:cells10040762. [PMID: 33808495 PMCID: PMC8066905 DOI: 10.3390/cells10040762] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 03/23/2021] [Accepted: 03/28/2021] [Indexed: 02/06/2023] Open
Abstract
Pyruvate occupies a central metabolic node by virtue of its position at the crossroads of glycolysis and the tricarboxylic acid (TCA) cycle and its production and fate being governed by numerous cell-intrinsic and extrinsic factors. The former includes the cell’s type, redox state, ATP content, metabolic requirements and the activities of other metabolic pathways. The latter include the extracellular oxygen concentration, pH and nutrient levels, which are in turn governed by the vascular supply. Within this context, we discuss the six pathways that influence pyruvate content and utilization: 1. The lactate dehydrogenase pathway that either converts excess pyruvate to lactate or that regenerates pyruvate from lactate for use as a fuel or biosynthetic substrate; 2. The alanine pathway that generates alanine and other amino acids; 3. The pyruvate dehydrogenase complex pathway that provides acetyl-CoA, the TCA cycle’s initial substrate; 4. The pyruvate carboxylase reaction that anaplerotically supplies oxaloacetate; 5. The malic enzyme pathway that also links glycolysis and the TCA cycle and generates NADPH to support lipid bio-synthesis; and 6. The acetate bio-synthetic pathway that converts pyruvate directly to acetate. The review discusses the mechanisms controlling these pathways, how they cross-talk and how they cooperate and are regulated to maximize growth and achieve metabolic and energetic harmony.
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Affiliation(s)
- Edward V. Prochownik
- Division of Hematology/Oncology, UPMC Children’s Hospital of Pittsburgh, Pittsburgh, PA 15224, USA;
- The Department of Microbiology and Molecular Genetics, UPMC, Pittsburgh, PA 15213, USA
- The Hillman Cancer Center, UPMC, Pittsburgh, PA 15213, USA
- The Pittsburgh Liver Research Center, Pittsburgh, PA 15260, USA
- Correspondence: ; Tel.: +1-(412)-692-6795
| | - Huabo Wang
- Division of Hematology/Oncology, UPMC Children’s Hospital of Pittsburgh, Pittsburgh, PA 15224, USA;
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179
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Köpnick AL, Jansen A, Geistlinger K, Epalle NH, Beitz E. Basigin drives intracellular accumulation of l-lactate by harvesting protons and substrate anions. PLoS One 2021; 16:e0249110. [PMID: 33770122 PMCID: PMC7996999 DOI: 10.1371/journal.pone.0249110] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Accepted: 03/11/2021] [Indexed: 12/22/2022] Open
Abstract
Transmembrane transport of l-lactate by members of the monocarboxylate transporter family, MCT, is vital in human physiology and a malignancy factor in cancer. Interaction with an accessory protein, typically basigin, is required to deliver the MCT to the plasma membrane. It is unknown whether basigin additionally exerts direct effects on the transmembrane l-lactate transport of MCT1. Here, we show that the presence of basigin leads to an intracellular accumulation of l-lactate 4.5-fold above the substrate/proton concentrations provided by the external buffer. Using basigin truncations we localized the effect to arise from the extracellular Ig-I domain. Identification of surface patches of condensed opposite electrostatic potential, and experimental analysis of charge-affecting Ig-I mutants indicated a bivalent harvesting antenna functionality for both, protons and substrate anions. From these data, and determinations of the cytosolic pH with a fluorescent probe, we conclude that the basigin Ig-I domain drives lactate uptake by locally increasing the proton and substrate concentration at the extracellular MCT entry site. The biophysical properties are physiologically relevant as cell growth on lactate media was strongly promoted in the presence of the Ig-I domain. Lack of the domain due to shedding, or misfolding due to breakage of a stabilizing disulfide bridge reversed the effect. Tumor progression according to classical or reverse Warburg effects depends on the transmembrane l-lactate distribution, and this study shows that the basigin Ig-I domain is a pivotal determinant.
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Affiliation(s)
- Anna-Lena Köpnick
- Department of Pharmaceutical and Medicinal Chemistry, Christian-Albrechts-University of Kiel, Kiel, Germany
| | - Annika Jansen
- Department of Pharmaceutical and Medicinal Chemistry, Christian-Albrechts-University of Kiel, Kiel, Germany
| | - Katharina Geistlinger
- Department of Pharmaceutical and Medicinal Chemistry, Christian-Albrechts-University of Kiel, Kiel, Germany
| | - Nathan Hugo Epalle
- Department of Pharmaceutical and Medicinal Chemistry, Christian-Albrechts-University of Kiel, Kiel, Germany
| | - Eric Beitz
- Department of Pharmaceutical and Medicinal Chemistry, Christian-Albrechts-University of Kiel, Kiel, Germany
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180
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Virtuoso A, Giovannoni R, De Luca C, Gargano F, Cerasuolo M, Maggio N, Lavitrano M, Papa M. The Glioblastoma Microenvironment: Morphology, Metabolism, and Molecular Signature of Glial Dynamics to Discover Metabolic Rewiring Sequence. Int J Mol Sci 2021; 22:3301. [PMID: 33804873 PMCID: PMC8036663 DOI: 10.3390/ijms22073301] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 03/17/2021] [Accepted: 03/22/2021] [Indexed: 02/07/2023] Open
Abstract
Different functional states determine glioblastoma (GBM) heterogeneity. Brain cancer cells coexist with the glial cells in a functional syncytium based on a continuous metabolic rewiring. However, standard glioma therapies do not account for the effects of the glial cells within the tumor microenvironment. This may be a possible reason for the lack of improvements in patients with high-grade gliomas therapies. Cell metabolism and bioenergetic fitness depend on the availability of nutrients and interactions in the microenvironment. It is strictly related to the cell location in the tumor mass, proximity to blood vessels, biochemical gradients, and tumor evolution, underlying the influence of the context and the timeline in anti-tumor therapeutic approaches. Besides the cancer metabolic strategies, here we review the modifications found in the GBM-associated glia, focusing on morphological, molecular, and metabolic features. We propose to analyze the GBM metabolic rewiring processes from a systems biology perspective. We aim at defining the crosstalk between GBM and the glial cells as modules. The complex networking may be expressed by metabolic modules corresponding to the GBM growth and spreading phases. Variation in the oxidative phosphorylation (OXPHOS) rate and regulation appears to be the most important part of the metabolic and functional heterogeneity, correlating with glycolysis and response to hypoxia. Integrated metabolic modules along with molecular and morphological features could allow the identification of key factors for controlling the GBM-stroma metabolism in multi-targeted, time-dependent therapies.
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Affiliation(s)
- Assunta Virtuoso
- Laboratory of Neuronal Networks, Department of Mental and Physical Health and Preventive Medicine, University of Campania ‘‘Luigi Vanvitelli”, 80138 Naples, Italy; (A.V.); (F.G.); (M.C.); (M.P.)
- School of Medicine and Surgery, University of Milano-Bicocca, 20900 Monza, Italy;
| | | | - Ciro De Luca
- Laboratory of Neuronal Networks, Department of Mental and Physical Health and Preventive Medicine, University of Campania ‘‘Luigi Vanvitelli”, 80138 Naples, Italy; (A.V.); (F.G.); (M.C.); (M.P.)
| | - Francesca Gargano
- Laboratory of Neuronal Networks, Department of Mental and Physical Health and Preventive Medicine, University of Campania ‘‘Luigi Vanvitelli”, 80138 Naples, Italy; (A.V.); (F.G.); (M.C.); (M.P.)
| | - Michele Cerasuolo
- Laboratory of Neuronal Networks, Department of Mental and Physical Health and Preventive Medicine, University of Campania ‘‘Luigi Vanvitelli”, 80138 Naples, Italy; (A.V.); (F.G.); (M.C.); (M.P.)
| | - Nicola Maggio
- Department of Neurology, Sackler Faculty of Medicine, Sagol School of Neuroscience, Tel Aviv University, Tel Aviv 6997801, Israel;
- Department of Neurology, The Chaim Sheba Medical Center, Ramat Gan 5211401, Israel
| | - Marialuisa Lavitrano
- School of Medicine and Surgery, University of Milano-Bicocca, 20900 Monza, Italy;
| | - Michele Papa
- Laboratory of Neuronal Networks, Department of Mental and Physical Health and Preventive Medicine, University of Campania ‘‘Luigi Vanvitelli”, 80138 Naples, Italy; (A.V.); (F.G.); (M.C.); (M.P.)
- SYSBIO Centre of Systems Biology ISBE-IT, University of Milano-Bicocca, 20126 Milan, Italy
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Ruiz-Iglesias A, Mañes S. The Importance of Mitochondrial Pyruvate Carrier in Cancer Cell Metabolism and Tumorigenesis. Cancers (Basel) 2021; 13:cancers13071488. [PMID: 33804985 PMCID: PMC8037430 DOI: 10.3390/cancers13071488] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 03/16/2021] [Accepted: 03/19/2021] [Indexed: 02/06/2023] Open
Abstract
Simple Summary The characteristic metabolic hallmark of cancer cells is the massive catabolism of glucose by glycolysis, even under aerobic conditions—the so-called Warburg effect. Although energetically unfavorable, glycolysis provides “building blocks” to sustain the unlimited growth of malignant cells. Aberrant glycolysis is also responsible for lactate accumulation and acidosis in the tumor milieu, which fosters hypoxia and immunosuppression. One of the mechanisms used by cancer cells to increase glycolytic flow is the negative regulation of the proteins that conform the mitochondrial pyruvate carrier (MPC) complex, which transports pyruvate into the mitochondrial matrix to be metabolized in the tricarboxylic acid (TCA) cycle. Evidence suggests that MPC downregulation in tumor cells impacts many aspects of tumorigenesis, including cancer cell-intrinsic (proliferation, invasiveness, stemness, resistance to therapy) and -extrinsic (angiogenesis, anti-tumor immune activity) properties. In many cancers, but not in all, MPC downregulation is associated with poor survival. MPC regulation is therefore central to tackling glycolysis in tumors. Abstract Pyruvate is a key molecule in the metabolic fate of mammalian cells; it is the crossroads from where metabolism proceeds either oxidatively or ends with the production of lactic acid. Pyruvate metabolism is regulated by many enzymes that together control carbon flux. Mitochondrial pyruvate carrier (MPC) is responsible for importing pyruvate from the cytosol to the mitochondrial matrix, where it is oxidatively phosphorylated to produce adenosine triphosphate (ATP) and to generate intermediates used in multiple biosynthetic pathways. MPC activity has an important role in glucose homeostasis, and its alteration is associated with diabetes, heart failure, and neurodegeneration. In cancer, however, controversy surrounds MPC function. In some cancers, MPC upregulation appears to be associated with a poor prognosis. However, most transformed cells undergo a switch from oxidative to glycolytic metabolism, the so-called Warburg effect, which, amongst other possibilities, is induced by MPC malfunction or downregulation. Consequently, impaired MPC function might induce tumors with strong proliferative, migratory, and invasive capabilities. Moreover, glycolytic cancer cells secrete lactate, acidifying the microenvironment, which in turn induces angiogenesis, immunosuppression, and the expansion of stromal cell populations supporting tumor growth. This review examines the latest findings regarding the tumorigenic processes affected by MPC.
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182
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A Holistic Evolutionary and 3D Pharmacophore Modelling Study Provides Insights into the Metabolism, Function, and Substrate Selectivity of the Human Monocarboxylate Transporter 4 (hMCT4). Int J Mol Sci 2021; 22:ijms22062918. [PMID: 33805725 PMCID: PMC8001682 DOI: 10.3390/ijms22062918] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 03/04/2021] [Accepted: 03/11/2021] [Indexed: 11/23/2022] Open
Abstract
Monocarboxylate transporters (MCTs) are of great research interest for their role in cancer cell metabolism and their potential ability to transport pharmacologically relevant compounds across the membrane. Each member of the MCT family could potentially provide novel therapeutic approaches to various diseases. The major differences among MCTs are related to each of their specific metabolic roles, their relative substrate and inhibitor affinities, the regulation of their expression, their intracellular localization, and their tissue distribution. MCT4 is the main mediator for the efflux of L-lactate produced in the cell. Thus, MCT4 maintains the glycolytic phenotype of the cancer cell by supplying the molecular resources for tumor cell proliferation and promotes the acidification of the extracellular microenvironment from the co-transport of protons. A promising therapeutic strategy in anti-cancer drug design is the selective inhibition of MCT4 for the glycolytic suppression of solid tumors. A small number of studies indicate molecules for dual inhibition of MCT1 and MCT4; however, no selective inhibitor with high-affinity for MCT4 has been identified. In this study, we attempt to approach the structural characteristics of MCT4 through an in silico pipeline for molecular modelling and pharmacophore elucidation towards the identification of specific inhibitors as a novel anti-cancer strategy.
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183
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Choe JH, Mazambani S, Kim TH, Kim JW. Oxidative Stress and the Intersection of Oncogenic Signaling and Metabolism in Squamous Cell Carcinomas. Cells 2021; 10:606. [PMID: 33803326 PMCID: PMC8000417 DOI: 10.3390/cells10030606] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 02/25/2021] [Accepted: 03/03/2021] [Indexed: 12/13/2022] Open
Abstract
Squamous cell carcinomas (SCCs) arise from both stratified squamous and non-squamous epithelium of diverse anatomical sites and collectively represent one of the most frequent solid tumors, accounting for more than one million cancer deaths annually. Despite this prevalence, SCC patients have not fully benefited from recent advances in molecularly targeted therapy or immunotherapy. Rather, decades old platinum-based or radiation regimens retaining limited specificity to the unique characteristics of SCC remain first-line treatment options. Historically, a lack of a consolidated perspective on genetic aberrations driving oncogenic transformation and other such factors essential for SCC pathogenesis and intrinsic confounding cellular heterogeneity in SCC have contributed to a critical dearth in effective and specific therapies. However, emerging evidence characterizing the distinct genomic, epigenetic, and metabolic landscapes of SCC may be elucidating unifying features in a seemingly heterogeneous disease. In this review, by describing distinct metabolic alterations and genetic drivers of SCC revealed by recent studies, we aim to establish a conceptual framework for a previously unappreciated network of oncogenic signaling, redox perturbation, and metabolic reprogramming that may reveal targetable vulnerabilities at their intersection.
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Affiliation(s)
- Joshua H. Choe
- Department of Biological Sciences, Columbia University, New York, NY 10027, USA
| | - Simbarashe Mazambani
- Department of Biological Sciences, The University of Texas at Dallas, Richardson, TX 75080, USA; (S.M.); (T.H.K.)
| | - Tae Hoon Kim
- Department of Biological Sciences, The University of Texas at Dallas, Richardson, TX 75080, USA; (S.M.); (T.H.K.)
| | - Jung-whan Kim
- Department of Biological Sciences, The University of Texas at Dallas, Richardson, TX 75080, USA; (S.M.); (T.H.K.)
- Research and Development, VeraVerse Inc., 50-1 Yonsei-ro, Seodaemun-gu, Seoul 03722, Korea
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Carbonic Anhydrase IX Promotes Human Cervical Cancer Cell Motility by Regulating PFKFB4 Expression. Cancers (Basel) 2021; 13:cancers13051174. [PMID: 33803236 PMCID: PMC7967120 DOI: 10.3390/cancers13051174] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 03/07/2021] [Accepted: 03/08/2021] [Indexed: 12/27/2022] Open
Abstract
Simple Summary Carbonic anhydrase IX (CAIX) is a hypoxia-induced protein that is highly expressed in numerous human cancers. However, the molecular mechanisms involved in CAIX and human cervical cancer metastasis remain poorly understood. Our study found that CAIX overexpression increases PFKFB4 expression and EMT, promoting cervical cancer cell migration. CAIX could contribute to cervical cancer cell metastasis and its inhibition could be a cervical cancer treatment strategy. Abstract Carbonic anhydrase IX (CAIX) is a hypoxia-induced protein that is highly expressed in numerous human cancers. However, the molecular mechanisms involved in CAIX and human cervical cancer metastasis remain poorly understood. In this study, CAIX overexpression in SiHa cells increased cell migration and epithelial-to-mesenchymal transition (EMT). Silencing CAIX in the Caski cell line decreased the motility of cells and EMT. Furthermore, the RNA-sequencing analysis identified a target gene, bifunctional 6-phosphofructo-2-kinase/fructose-2,6-bisphosphatase (PFKFB4), which is influenced by CAIX overexpression and knockdown. A positive correlation was found between CAIX expression and PFKFB4 levels in the cervical cancer of the TCGA database. Mechanistically, CAIX overexpression activated the phosphorylation of extracellular signal-regulated kinases (ERKs) to induce EMT and promote cell migration. In clinical results, human cervical cancer patients with CAIXhigh/PFKFB4high expression in the late stage had higher rates of lymph node metastasis and the shortest survival time. Our study found that CAIX overexpression increases PFKFB4 expression and EMT, promoting cervical cancer cell migration. CAIX could contribute to cervical cancer cell metastasis and its inhibition could be a cervical cancer treatment strategy.
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185
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Bakhti SZ, Latifi-Navid S. Oral microbiota and Helicobacter pylori in gastric carcinogenesis: what do we know and where next? BMC Microbiol 2021; 21:71. [PMID: 33663382 PMCID: PMC7934379 DOI: 10.1186/s12866-021-02130-4] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 02/21/2021] [Indexed: 02/06/2023] Open
Abstract
Gastric cancer (GC) is one of the most common malignancies causing death worldwide, and Helicobacter pylori is a powerful inducer of precancerous lesions and GC. The oral microbiota is a complex ecosystem and is responsible for maintaining homeostasis, modulating the immune system, and resisting pathogens. It has been proposed that the gastric microbiota of oral origin is involved in the development and progression of GC. Nevertheless, the causal relationship between oral microbiota and GC and the role of H. pylori in this relationship is still controversial. This study was set to review the investigations done on oral microbiota and analyze various lines of evidence regarding the role of oral microbiota in GC, to date. Also, we discussed the interaction and relationship between H. pylori and oral microbiota in GC and the current understanding with regard to the underlying mechanisms of oral microbiota in carcinogenesis. More importantly, detecting the patterns of interaction between the oral cavity microbiota and H. pylori may render new clues for the diagnosis or screening of cancer. Integration of oral microbiota and H. pylori might manifest a potential method for the assessment of GC risk. Hence it needs to be specified the patterns of bacterial transmission from the oral cavity to the stomach and their interaction. Further evidence on the mechanisms underlying the oral microbiota communities and how they trigger GC may contribute to the identification of new prevention methods for GC. We may then modulate the oral microbiota by intervening with oral-gastric bacterial transmission or controlling certain bacteria in the oral cavity.
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Affiliation(s)
- Seyedeh Zahra Bakhti
- Department of Biology, Faculty of Sciences, University of Mohaghegh Ardabili, Ardabil, 56199-11367, Iran
| | - Saeid Latifi-Navid
- Department of Biology, Faculty of Sciences, University of Mohaghegh Ardabili, Ardabil, 56199-11367, Iran.
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186
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Systematic Identification of MACC1-Driven Metabolic Networks in Colorectal Cancer. Cancers (Basel) 2021; 13:cancers13050978. [PMID: 33652667 PMCID: PMC7956336 DOI: 10.3390/cancers13050978] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 02/16/2021] [Accepted: 02/21/2021] [Indexed: 11/25/2022] Open
Abstract
Simple Summary We aimed at the systematic identification of MACC1-driven metabolic networks in colorectal cancer. By this systematic analysis, our studies revealed new insights into MACC1-caused metabolomics phenotypes: (i) MACC1 fosters metastasis by rewiring glucose and glutamine metabolism, (ii) MACC1 increases glucose use by enhanced surface GLUT1; (iii) MACC1 increases glutamine and pyruvate use by enhanced uptake, and (iv) MACC1 reduces glutamine flux but has minor effects on pyruvate flux. Therefore, MACC1 is an important regulator of cancer metabolism. Abstract MACC1 is a prognostic and predictive metastasis biomarker for more than 20 solid cancer entities. However, its role in cancer metabolism is not sufficiently explored. Here, we report on how MACC1 impacts the use of glucose, glutamine, lactate, pyruvate and fatty acids and show the comprehensive analysis of MACC1-driven metabolic networks. We analyzed concentration-dependent changes in nutrient use, nutrient depletion, metabolic tracing employing 13C-labeled substrates, and in vivo studies. We found that MACC1 permits numerous effects on cancer metabolism. Most of those effects increased nutrient uptake. Furthermore, MACC1 alters metabolic pathways by affecting metabolite production or turnover from metabolic substrates. MACC1 supports use of glucose, glutamine and pyruvate via their increased depletion or altered distribution within metabolic pathways. In summary, we demonstrate that MACC1 is an important regulator of metabolism in cancer cells.
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187
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Kiran D, Basaraba RJ. Lactate Metabolism and Signaling in Tuberculosis and Cancer: A Comparative Review. Front Cell Infect Microbiol 2021; 11:624607. [PMID: 33718271 PMCID: PMC7952876 DOI: 10.3389/fcimb.2021.624607] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Accepted: 01/13/2021] [Indexed: 12/16/2022] Open
Abstract
Infection with Mycobacterium tuberculosis (Mtb) leading to tuberculosis (TB) disease continues to be a major global health challenge. Critical barriers, including but not limited to the development of multi-drug resistance, lack of diagnostic assays that detect patients with latent TB, an effective vaccine that prevents Mtb infection, and infectious and non-infectious comorbidities that complicate active TB, continue to hinder progress toward a TB cure. To complement the ongoing development of new antimicrobial drugs, investigators in the field are exploring the value of host-directed therapies (HDTs). This therapeutic strategy targets the host, rather than Mtb, and is intended to augment host responses to infection such that the host is better equipped to prevent or clear infection and resolve chronic inflammation. Metabolic pathways of immune cells have been identified as promising HDT targets as more metabolites and metabolic pathways have shown to play a role in TB pathogenesis and disease progression. Specifically, this review highlights the potential role of lactate as both an immunomodulatory metabolite and a potentially important signaling molecule during the host response to Mtb infection. While long thought to be an inert end product of primarily glucose metabolism, the cancer research field has discovered the importance of lactate in carcinogenesis and resistance to chemotherapeutic drug treatment. Herein, we discuss similarities between the TB granuloma and tumor microenvironments in the context of lactate metabolism and identify key metabolic and signaling pathways that have been shown to play a role in tumor progression but have yet to be explored within the context of TB. Ultimately, lactate metabolism and signaling could be viable HDT targets for TB; however, critical additional research is needed to better understand the role of lactate at the host-pathogen interface during Mtb infection before adopting this HDT strategy.
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Affiliation(s)
| | - Randall J. Basaraba
- Metabolism of Infectious Diseases Laboratory, Mycobacteria Research Laboratories, Department of Microbiology, Immunology, and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
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188
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Leu M, Kitz J, Pilavakis Y, Hakroush S, Wolff HA, Canis M, Rieken S, Schirmer MA. Monocarboxylate transporter-1 (MCT1) protein expression in head and neck cancer affects clinical outcome. Sci Rep 2021; 11:4578. [PMID: 33633176 PMCID: PMC7907348 DOI: 10.1038/s41598-021-84019-w] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 02/04/2021] [Indexed: 01/31/2023] Open
Abstract
Treatment of locally advanced, unresectable head and neck squamous cell carcinoma (HNSCC) often yields only modest results with radiochemotherapy (RCT) as standard of care. Prognostic features related to outcome upon RCT might be highly valuable to improve treatment. Monocarboxylate transporters-1 and -4 (MCT1/MCT4) were evaluated as potential biomarkers. A cohort of HNSCC patients without signs for distant metastases was assessed eliciting 82 individuals eligible whereof 90% were diagnosed with locally advanced stage IV. Tumor specimens were stained for MCT1 and MCT4 in the cell membrane by immunohistochemistry. Obtained data were evaluated with respect to overall (OS) and progression-free survival (PFS). Protein expression of MCT1 and MCT4 in cell membrane was detected in 16% and 85% of the tumors, respectively. Expression of both transporters was not statistically different according to the human papilloma virus (HPV) status. Positive staining for MCT1 (n = 13, negative in n = 69) strongly worsened PFS with a hazard ratio (HR) of 3.1 (95%-confidence interval 1.6-5.7, p < 0.001). OS was likewise affected with a HR of 3.8 (2.0-7.3, p < 0.001). Multivariable Cox regression confirmed these findings. We propose MCT1 as a promising biomarker in HNSCC treated by primary RCT.
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Affiliation(s)
- Martin Leu
- grid.411984.10000 0001 0482 5331Clinic of Radiotherapy and Radiation Oncology, University Medical Center Göttingen, Robert-Koch-Strasse 40, 37075 Göttingen, Germany
| | - J. Kitz
- grid.411984.10000 0001 0482 5331Institute of Pathology, University Medical Center Göttingen, Robert-Koch-Strasse 40, 37075 Göttingen, Germany
| | - Y. Pilavakis
- grid.411984.10000 0001 0482 5331Clinic of Otorhinolaryngology, University Medical Center Göttingen, Robert-Koch-Strasse 40, 37075 Göttingen, Germany
| | - S. Hakroush
- grid.411984.10000 0001 0482 5331Institute of Pathology, University Medical Center Göttingen, Robert-Koch-Strasse 40, 37075 Göttingen, Germany
| | - H. A. Wolff
- Department of Radiology, Nuclear Medicine and Radiotherapy, Radiology Munich, Maximiliansplatz 2, 80333 Munich, Germany ,grid.7727.50000 0001 2190 5763Department of Radiation Oncology, Medical Center, University of Regensburg, Franz-Josef-Strauss-Allee 11, 93053 Regensburg, Germany
| | - M. Canis
- grid.5252.00000 0004 1936 973XDepartment of Otorhinolaryngology, Head and Neck Surgery, Ludwig-Maximilians-University Munich, Marchioninistrasse 15, 81377 Munich, Germany
| | - S. Rieken
- grid.411984.10000 0001 0482 5331Clinic of Radiotherapy and Radiation Oncology, University Medical Center Göttingen, Robert-Koch-Strasse 40, 37075 Göttingen, Germany
| | - M. A. Schirmer
- grid.411984.10000 0001 0482 5331Clinic of Radiotherapy and Radiation Oncology, University Medical Center Göttingen, Robert-Koch-Strasse 40, 37075 Göttingen, Germany
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189
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Thabault L, Liberelle M, Koruza K, Yildiz E, Joudiou N, Messens J, Brisson L, Wouters J, Sonveaux P, Frédérick R. Discovery of a novel lactate dehydrogenase tetramerization domain using epitope mapping and peptides. J Biol Chem 2021; 296:100422. [PMID: 33607109 PMCID: PMC8010463 DOI: 10.1016/j.jbc.2021.100422] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 02/08/2021] [Accepted: 02/12/2021] [Indexed: 01/08/2023] Open
Abstract
Despite being initially regarded as a metabolic waste product, lactate is now considered to serve as a primary fuel for the tricarboxylic acid cycle in cancer cells. At the core of lactate metabolism, lactate dehydrogenases (LDHs) catalyze the interconversion of lactate to pyruvate and as such represent promising targets in cancer therapy. However, direct inhibition of the LDH active site is challenging from physicochemical and selectivity standpoints. However, LDHs are obligate tetramers. Thus, targeting the LDH tetrameric interface has emerged as an appealing strategy. In this work, we examine a dimeric construct of truncated human LDH to search for new druggable sites. We report the identification and characterization of a new cluster of interactions in the LDH tetrameric interface. Using nanoscale differential scanning fluorimetry, chemical denaturation, and mass photometry, we identified several residues (E62, D65, L71, and F72) essential for LDH tetrameric stability. Moreover, we report a family of peptide ligands based on this cluster of interactions. We next demonstrated these ligands to destabilize tetrameric LDHs through binding to this new tetrameric interface using nanoscale differential scanning fluorimetry, NMR water–ligand observed via gradient spectroscopy, and microscale thermophoresis. Altogether, this work provides new insights on the LDH tetrameric interface as well as valuable pharmacological tools for the development of LDH tetramer disruptors.
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Affiliation(s)
- Léopold Thabault
- Louvain Drug Research Institute (LDRI), Université catholique de Louvain (UCLouvain), Brussels, Belgium; Pole of Pharmacology and Therapeutics, Institut de Recherche Expérimentale et Clinique (IREC), Université catholique de Louvain (UCLouvain), Brussels, Belgium
| | - Maxime Liberelle
- Louvain Drug Research Institute (LDRI), Université catholique de Louvain (UCLouvain), Brussels, Belgium
| | - Katarina Koruza
- VIB-VUB Center for Structural Biology, Brussels, Belgium; Redox Signaling Lab, Brussels Center for Redox Biology, Brussels, Belgium; Structural Biology Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Esra Yildiz
- Louvain Drug Research Institute (LDRI), Université catholique de Louvain (UCLouvain), Brussels, Belgium
| | - Nicolas Joudiou
- Nuclear and Electron Spin Technologies, Louvain Drug Research Institute (LDRI), Université catholique de Louvain (UCLouvain), Brussels, Belgium
| | - Joris Messens
- VIB-VUB Center for Structural Biology, Brussels, Belgium; Redox Signaling Lab, Brussels Center for Redox Biology, Brussels, Belgium; Structural Biology Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Lucie Brisson
- Inserm UMR1069, Nutrition, Growth and Cancer, University of Tours, Tours, France
| | - Johan Wouters
- NARILIS, Department of Chemistry, UNamur, University of Namur, Namur, Belgium
| | - Pierre Sonveaux
- Pole of Pharmacology and Therapeutics, Institut de Recherche Expérimentale et Clinique (IREC), Université catholique de Louvain (UCLouvain), Brussels, Belgium.
| | - Raphaël Frédérick
- Louvain Drug Research Institute (LDRI), Université catholique de Louvain (UCLouvain), Brussels, Belgium.
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190
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Peck B, Bland P, Mavrommati I, Muirhead G, Cottom H, Wai PT, Maguire SL, Barker HE, Morrison E, Kriplani D, Yu L, Gibson A, Falgari G, Brennan K, Farnie G, Buus R, Marlow R, Novo D, Knight E, Guppy N, Kolarevic D, Susnjar S, Milijic NM, Naidoo K, Gazinska P, Roxanis I, Pancholi S, Martin LA, Holgersen EM, Cheang MCU, Noor F, Postel-Vinay S, Quinn G, McDade S, Krasny L, Huang P, Daley F, Wallberg F, Choudhary JS, Haider S, Tutt AN, Natrajan R. 3D Functional Genomics Screens Identify CREBBP as a Targetable Driver in Aggressive Triple-Negative Breast Cancer. Cancer Res 2021; 81:847-859. [PMID: 33509944 PMCID: PMC7611219 DOI: 10.1158/0008-5472.can-20-1822] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 10/12/2020] [Accepted: 11/25/2020] [Indexed: 11/16/2022]
Abstract
Triple-negative breast cancers (TNBC) are resistant to standard-of-care chemotherapy and lack known targetable driver gene alterations. Identification of novel drivers could aid the discovery of new treatment strategies for this hard-to-treat patient population, yet studies using high-throughput and accurate models to define the functions of driver genes in TNBC to date have been limited. Here, we employed unbiased functional genomics screening of the 200 most frequently mutated genes in breast cancer, using spheroid cultures to model in vivo-like conditions, and identified the histone acetyltransferase CREBBP as a novel tumor suppressor in TNBC. CREBBP protein expression in patient tumor samples was absent in 8% of TNBCs and at a high frequency in other tumors, including squamous lung cancer, where CREBBP-inactivating mutations are common. In TNBC, CREBBP alterations were associated with higher genomic heterogeneity and poorer patient survival and resulted in upregulation and dependency on a FOXM1 proliferative program. Targeting FOXM1-driven proliferation indirectly with clinical CDK4/6 inhibitors (CDK4/6i) selectively impaired growth in spheroids, cell line xenografts, and patient-derived models from multiple tumor types with CREBBP mutations or loss of protein expression. In conclusion, we have identified CREBBP as a novel driver in aggressive TNBC and identified an associated genetic vulnerability in tumor cells with alterations in CREBBP and provide a preclinical rationale for assessing CREBBP alterations as a biomarker of CDK4/6i response in a new patient population. SIGNIFICANCE: This study demonstrates that CREBBP genomic alterations drive aggressive TNBC, lung cancer, and lymphomas and may be selectively treated with clinical CDK4/6 inhibitors.
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Affiliation(s)
- Barrie Peck
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, England, United Kingdom
- Division of Molecular Pathology, The Institute of Cancer Research, London, England, United Kingdom
| | - Philip Bland
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, England, United Kingdom
- Division of Molecular Pathology, The Institute of Cancer Research, London, England, United Kingdom
| | - Ioanna Mavrommati
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, England, United Kingdom
- Division of Molecular Pathology, The Institute of Cancer Research, London, England, United Kingdom
| | - Gareth Muirhead
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, England, United Kingdom
| | - Hannah Cottom
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, England, United Kingdom
- Division of Molecular Pathology, The Institute of Cancer Research, London, England, United Kingdom
| | - Patty T Wai
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, England, United Kingdom
- Division of Molecular Pathology, The Institute of Cancer Research, London, England, United Kingdom
| | - Sarah L Maguire
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, England, United Kingdom
- Centre for Cancer Research and Cell Biology, Queen's University Belfast, Belfast, Northern Ireland, United Kingdom
| | - Holly E Barker
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, England, United Kingdom
- Division of Stem Cells and Cancer, The Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia
| | - Eamonn Morrison
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, England, United Kingdom
| | - Divya Kriplani
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, England, United Kingdom
| | - Lu Yu
- Division of Cancer Biology, The Institute of Cancer Research, London, England, United Kingdom
| | - Amy Gibson
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, England, United Kingdom
- Division of Molecular Pathology, The Institute of Cancer Research, London, England, United Kingdom
| | - Giulia Falgari
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, England, United Kingdom
- Division of Molecular Pathology, The Institute of Cancer Research, London, England, United Kingdom
| | - Keith Brennan
- Faculty of Life Sciences, University of Manchester, Manchester, England, United Kingdom
| | - Gillian Farnie
- SGC Oxford, University of Oxford, Oxford, England, United Kingdom
| | - Richard Buus
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, England, United Kingdom
| | - Rebecca Marlow
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, England, United Kingdom
- Breast Cancer Now Research Unit, King's College London, London, England, United Kingdom
| | - Daniela Novo
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, England, United Kingdom
| | - Eleanor Knight
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, England, United Kingdom
| | - Naomi Guppy
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, England, United Kingdom
| | - Daniela Kolarevic
- The Royal Marsden NHS Foundation Trust, London, England, United Kingdom
| | - Snezana Susnjar
- Department of Medical Oncology, The Institute of Oncology and Radiology of Serbia, Belgrade, Serbia
| | - Natasa Medic Milijic
- Department of Pathology and Cytology, The Institute of Oncology and Radiology of Serbia, Belgrade, Serbia
| | - Kalnisha Naidoo
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, England, United Kingdom
| | - Patrycja Gazinska
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, England, United Kingdom
| | - Ioannis Roxanis
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, England, United Kingdom
| | - Sunil Pancholi
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, England, United Kingdom
| | - Lesley-Ann Martin
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, England, United Kingdom
| | - Erle M Holgersen
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, England, United Kingdom
| | - Maggie C U Cheang
- Clinical Trials and Statistics Unit, The Institute of Cancer Research, London, England, United Kingdom
| | - Farzana Noor
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, England, United Kingdom
| | - Sophie Postel-Vinay
- Department of Drug Development (DITEP), Gustave Roussy Cancer Campus, Université Paris-Saclay, Villejuif, France
- UMR981, ATIP-Avenir team, INSERM, Villejuif, France
| | - Gerard Quinn
- Centre for Cancer Research and Cell Biology, Queen's University Belfast, Belfast, Northern Ireland, United Kingdom
| | - Simon McDade
- Centre for Cancer Research and Cell Biology, Queen's University Belfast, Belfast, Northern Ireland, United Kingdom
| | - Lukas Krasny
- Division of Molecular Pathology, The Institute of Cancer Research, London, England, United Kingdom
| | - Paul Huang
- Division of Molecular Pathology, The Institute of Cancer Research, London, England, United Kingdom
| | - Frances Daley
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, England, United Kingdom
| | - Fredrik Wallberg
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, England, United Kingdom
| | - Jyoti S Choudhary
- Division of Cancer Biology, The Institute of Cancer Research, London, England, United Kingdom
| | - Syed Haider
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, England, United Kingdom
| | - Andrew N Tutt
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, England, United Kingdom
- Breast Cancer Now Research Unit, King's College London, London, England, United Kingdom
| | - Rachael Natrajan
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, England, United Kingdom.
- Division of Molecular Pathology, The Institute of Cancer Research, London, England, United Kingdom
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191
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Li H, Wu H, Wang Q, Ning S, Xu S, Pang D. Dual effects of N 6-methyladenosine on cancer progression and immunotherapy. MOLECULAR THERAPY-NUCLEIC ACIDS 2021; 24:25-39. [PMID: 33738136 PMCID: PMC7933696 DOI: 10.1016/j.omtn.2021.02.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
According to the latest global cancer statistics, cancer has become a major threat to human health, but cancer treatment has encountered many bottlenecks. As an emerging topic in epigenetics, N6-methyladenosine (m6A) is the most common internal modification on eukaryotic mRNA, which has attracted increasing attention in recent years. Accumulating studies have shown that aberrant m6A modifications have profound effects on the characteristics of tumors, which undoubtedly led to a significant breakthrough in cancer treatment. Although m6A function as an oncogene or tumor suppressor is not fully revealed, determining its precise function in the development and evolution of malignant tumors is crucial in improving clinical decisions involving targeted therapies. In this review, we briefly introduce the composition of the m6A methylation machinery and mainly summarize the biological mechanism of m6A in cancer cell death, angiogenesis, epithelial-mesenchymal transition (EMT), and therapeutic resistance. Subsequently, we present the exogenous regulatory factors of m6A and highlight the role of m6A on immune cells and cancer immunotherapy. The potential therapeutic strategies of m6A in human cancer are also discussed, considering research gaps and future applications.
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Affiliation(s)
- Hui Li
- Harbin Medical University, 157 Baojian Road, Harbin 150086, China.,Department of Breast Surgery, Harbin Medical University Cancer Hospital, 150 Haping Road, Harbin 150081, China.,Heilongjiang Academy of Medical Sciences, 157 Baojian Road, Harbin 150086, China
| | - Hao Wu
- Harbin Medical University, 157 Baojian Road, Harbin 150086, China.,Sino-Russian Medical Research Center, Harbin Medical University Cancer Hospital, 150 Haping Road, Harbin 150081, China.,Heilongjiang Academy of Medical Sciences, 157 Baojian Road, Harbin 150086, China
| | - Qin Wang
- Harbin Medical University, 157 Baojian Road, Harbin 150086, China.,Sino-Russian Medical Research Center, Harbin Medical University Cancer Hospital, 150 Haping Road, Harbin 150081, China.,Heilongjiang Academy of Medical Sciences, 157 Baojian Road, Harbin 150086, China
| | - Shipeng Ning
- Harbin Medical University, 157 Baojian Road, Harbin 150086, China.,Department of Breast Surgery, Harbin Medical University Cancer Hospital, 150 Haping Road, Harbin 150081, China.,Heilongjiang Academy of Medical Sciences, 157 Baojian Road, Harbin 150086, China
| | - Shouping Xu
- Harbin Medical University, 157 Baojian Road, Harbin 150086, China.,Department of Breast Surgery, Harbin Medical University Cancer Hospital, 150 Haping Road, Harbin 150081, China.,Heilongjiang Academy of Medical Sciences, 157 Baojian Road, Harbin 150086, China
| | - Da Pang
- Harbin Medical University, 157 Baojian Road, Harbin 150086, China.,Department of Breast Surgery, Harbin Medical University Cancer Hospital, 150 Haping Road, Harbin 150081, China.,Sino-Russian Medical Research Center, Harbin Medical University Cancer Hospital, 150 Haping Road, Harbin 150081, China.,Heilongjiang Academy of Medical Sciences, 157 Baojian Road, Harbin 150086, China
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192
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Disruption of pH Dynamics Suppresses Proliferation and Potentiates Doxorubicin Cytotoxicity in Breast Cancer Cells. Pharmaceutics 2021; 13:pharmaceutics13020242. [PMID: 33572458 PMCID: PMC7916175 DOI: 10.3390/pharmaceutics13020242] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 01/30/2021] [Accepted: 02/06/2021] [Indexed: 01/08/2023] Open
Abstract
The reverse pH gradient is a major feature associated with cancer cell reprogrammed metabolism. This phenotype is supported by increased activity of pH regulators like ATPases, carbonic anhydrases (CAs), monocarboxylate transporters (MCTs) and sodium-proton exchangers (NHEs) that induce an acidic tumor microenvironment, responsible for the cancer acid-resistant phenotype. In this work, we analyzed the expression of these pH regulators and explored their inhibition in breast cancer cells as a strategy to enhance the sensitivity to chemotherapy. Expression of the different pH regulators was evaluated by immunofluorescence and Western blot in two breast cancer cell lines (MDA-MB-231 and MCF-7) and by immunohistochemistry in human breast cancer tissues. Cell viability, migration and invasion were evaluated upon exposure to the pH regulator inhibitors (PRIs) concanamycin-A, cariporide, acetazolamide and cyano-4-hydroxycinnamate. Additionally, PRIs were combined with doxorubicin to analyze the effect of cell pH dynamic disruption on doxorubicin sensitivity. Both cancer cell lines expressed all pH regulators, except for MCT1 and CAXII, only expressed in MCF-7 cells. There was higher plasma membrane expression of the pH regulators in human breast cancer tissues than in normal breast epithelium. Additionally, pH regulator expression was significantly associated with different molecular subtypes of breast cancer. pH regulator inhibition decreased cancer cell aggressiveness, with a higher effect in MDA-MB-231. A synergistic inhibitory effect was observed when PRIs were combined with doxorubicin in the breast cancer cell line viability. Our results support proton dynamic disruption as a breast cancer antitumor strategy and the use of PRIs to boost the activity of conventional therapy.
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193
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Metabolic Reprogramming, Questioning, and Implications for Cancer. BIOLOGY 2021; 10:biology10020129. [PMID: 33562201 PMCID: PMC7916061 DOI: 10.3390/biology10020129] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 01/30/2021] [Accepted: 02/03/2021] [Indexed: 01/08/2023]
Abstract
The expression "metabolic reprogramming" has been encountered more and more in the literature since the mid-1990s. It seems to encompass several notions depending on the author, but the lack of a clear definition allows it to be used as a "catch-all" expression. Our first intention is to point out the inconsistencies in the use of the reprogramming terminology for cancer metabolism. The second is to address the over-focus of the role of mutations in metabolic adaptation. With the increased interest in metabolism and, more specifically, in the Warburg effect in cancer research, it seems appropriate to discuss this terminology and related concepts in detail.
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Preclinical Evaluation of [ 18F]FACH in Healthy Mice and Piglets: An 18F-Labeled Ligand for Imaging of Monocarboxylate Transporters with PET. Int J Mol Sci 2021; 22:ijms22041645. [PMID: 33562048 PMCID: PMC7915902 DOI: 10.3390/ijms22041645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 02/02/2021] [Accepted: 02/03/2021] [Indexed: 11/16/2022] Open
Abstract
The expression of monocarboxylate transporters (MCTs) is linked to pathophysiological changes in diseases, including cancer, such that MCTs could potentially serve as diagnostic markers or therapeutic targets. We recently developed [18F]FACH as a radiotracer for non-invasive molecular imaging of MCTs by positron emission tomography (PET). The aim of this study was to evaluate further the specificity, metabolic stability, and pharmacokinetics of [18F]FACH in healthy mice and piglets. We measured the [18F]FACH plasma protein binding fractions in mice and piglets and the specific binding in cryosections of murine kidney and lung. The biodistribution of [18F]FACH was evaluated by tissue sampling ex vivo and by dynamic PET/MRI in vivo, with and without pre-treatment by the MCT inhibitor α-CCA-Na or the reference compound, FACH-Na. Additionally, we performed compartmental modelling of the PET signal in kidney cortex and liver. Saturation binding studies in kidney cortex cryosections indicated a KD of 118 ± 12 nM and Bmax of 6.0 pmol/mg wet weight. The specificity of [18F]FACH uptake in the kidney cortex was confirmed in vivo by reductions in AUC0–60min after pre-treatment with α-CCA-Na in mice (−47%) and in piglets (−66%). [18F]FACH was metabolically stable in mouse, but polar radio-metabolites were present in plasma and tissues of piglets. The [18F]FACH binding potential (BPND) in the kidney cortex was approximately 1.3 in mice. The MCT1 specificity of [18F]FACH uptake was confirmed by displacement studies in 4T1 cells. [18F]FACH has suitable properties for the detection of the MCTs in kidney, and thus has potential as a molecular imaging tool for MCT-related pathologies, which should next be assessed in relevant disease models.
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Benyahia Z, Blackman MCNM, Hamelin L, Zampieri LX, Capeloa T, Bedin ML, Vazeille T, Schakman O, Sonveaux P. In Vitro and In Vivo Characterization of MCT1 Inhibitor AZD3965 Confirms Preclinical Safety Compatible with Breast Cancer Treatment. Cancers (Basel) 2021; 13:cancers13030569. [PMID: 33540599 PMCID: PMC7867268 DOI: 10.3390/cancers13030569] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 01/24/2021] [Accepted: 01/30/2021] [Indexed: 12/04/2022] Open
Abstract
Simple Summary The vast majority of tumors originate in tissues that use different substrates and oxygen to produce energy. However, tumors are disorganized structurally and functionally, which creates areas where oxygen and nutrients are poorly available. To survive and proliferate, cancer cells adapt by switching their metabolism to lactic fermentation. Their fate is further optimized by intercellular cooperation, but this creates a weakness that can be exploited therapeutically. Indeed, AZD3965 is a new drug currently tested in clinical trials that inhibits a cooperation based on lactate swapping for glucose between fermenting and respiring cells. It inhibits lactate transporter monocarboxylate transporter 1. Here, using malignant and nonmalignant cells representative of the breast tissue and several behavioral tests in mice, we establish that AZD3965 is safe for therapeutic use against cancer. The only side effect that we detected was a short-term memory retention defect that transiently perturbed the orientation of mice in space. Abstract To survive and proliferate in solid tumors, cancer cells adapt and evolve rapidly in microenvironments where oxygen and substrate bioavailability fluctuates over time and space. This creates metabolic heterogeneity. Cancer cells can further cooperate metabolically, for example by swapping glycolytic end-product lactate for blood-borne glucose. This type of cooperation can be targeted therapeutically, since transmembrane lactate exchanges are facilitated by lactate-proton symporters of the monocarboxylate (MCT) family. Among new drugs, AZD3965 is a first-in-class selective MCT1 inhibitor currently tested in Phase I/II clinical trials for patients with different types of cancers. Because MCT1 can function bidirectionally, we tested here whether and how malignant and nonmalignant cells adapt their metabolism and MCT repertoire when AZD3965 inhibits either lactate import or export. Using breast-associated malignant and nonmalignant cell lines as models, we report that AZD3965 is not directly cytotoxic. In the presence of glucose and glutamine, oxidative cells can survive when lactate uptake is blocked, and proliferating cells compensate MCT1 inhibition by overexpressing MCT4, a specialized facilitator of lactate export. Phenotypic characterization of mice focusing on metabolism, muscle and brain physiology found partial and transient memory retention defect as sole consequence of MCT1 inhibition by AZD3965. We therefore conclude that AZD3965 is compatible with anticancer therapy.
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Affiliation(s)
- Zohra Benyahia
- Pole of Pharmacology and Therapeutics, Institut de Recherche Expérimentale et Clinique (IREC), Université Catholique de Louvain (UCLouvain), Avenue Hippocrate 57 box B1.57.04, 1200 Brussels, Belgium; (Z.B.); (M.C.N.M.B.); (L.H.); (L.X.Z.); (T.C.); (M.L.B.); (T.V.)
| | - Marine C. N. M. Blackman
- Pole of Pharmacology and Therapeutics, Institut de Recherche Expérimentale et Clinique (IREC), Université Catholique de Louvain (UCLouvain), Avenue Hippocrate 57 box B1.57.04, 1200 Brussels, Belgium; (Z.B.); (M.C.N.M.B.); (L.H.); (L.X.Z.); (T.C.); (M.L.B.); (T.V.)
| | - Loïc Hamelin
- Pole of Pharmacology and Therapeutics, Institut de Recherche Expérimentale et Clinique (IREC), Université Catholique de Louvain (UCLouvain), Avenue Hippocrate 57 box B1.57.04, 1200 Brussels, Belgium; (Z.B.); (M.C.N.M.B.); (L.H.); (L.X.Z.); (T.C.); (M.L.B.); (T.V.)
| | - Luca X. Zampieri
- Pole of Pharmacology and Therapeutics, Institut de Recherche Expérimentale et Clinique (IREC), Université Catholique de Louvain (UCLouvain), Avenue Hippocrate 57 box B1.57.04, 1200 Brussels, Belgium; (Z.B.); (M.C.N.M.B.); (L.H.); (L.X.Z.); (T.C.); (M.L.B.); (T.V.)
| | - Tania Capeloa
- Pole of Pharmacology and Therapeutics, Institut de Recherche Expérimentale et Clinique (IREC), Université Catholique de Louvain (UCLouvain), Avenue Hippocrate 57 box B1.57.04, 1200 Brussels, Belgium; (Z.B.); (M.C.N.M.B.); (L.H.); (L.X.Z.); (T.C.); (M.L.B.); (T.V.)
| | - Marie L. Bedin
- Pole of Pharmacology and Therapeutics, Institut de Recherche Expérimentale et Clinique (IREC), Université Catholique de Louvain (UCLouvain), Avenue Hippocrate 57 box B1.57.04, 1200 Brussels, Belgium; (Z.B.); (M.C.N.M.B.); (L.H.); (L.X.Z.); (T.C.); (M.L.B.); (T.V.)
| | - Thibaut Vazeille
- Pole of Pharmacology and Therapeutics, Institut de Recherche Expérimentale et Clinique (IREC), Université Catholique de Louvain (UCLouvain), Avenue Hippocrate 57 box B1.57.04, 1200 Brussels, Belgium; (Z.B.); (M.C.N.M.B.); (L.H.); (L.X.Z.); (T.C.); (M.L.B.); (T.V.)
| | - Olivier Schakman
- Pole of Cell Physiology, Institut des Neurosciences (IoNS), Université Catholique de Louvain (UCLouvain), Avenue E. Mounier 53 box B1.53.17, 1200 Brussels, Belgium;
| | - Pierre Sonveaux
- Pole of Pharmacology and Therapeutics, Institut de Recherche Expérimentale et Clinique (IREC), Université Catholique de Louvain (UCLouvain), Avenue Hippocrate 57 box B1.57.04, 1200 Brussels, Belgium; (Z.B.); (M.C.N.M.B.); (L.H.); (L.X.Z.); (T.C.); (M.L.B.); (T.V.)
- Correspondence:
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Grasmann G, Mondal A, Leithner K. Flexibility and Adaptation of Cancer Cells in a Heterogenous Metabolic Microenvironment. Int J Mol Sci 2021; 22:1476. [PMID: 33540663 PMCID: PMC7867260 DOI: 10.3390/ijms22031476] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 01/28/2021] [Accepted: 01/29/2021] [Indexed: 02/06/2023] Open
Abstract
The metabolic microenvironment, comprising all soluble and insoluble nutrients and co-factors in the extracellular milieu, has a major impact on cancer cell proliferation and survival. A large body of evidence from recent studies suggests that tumor cells show a high degree of metabolic flexibility and adapt to variations in nutrient availability. Insufficient vascular networks and an imbalance of supply and demand shape the metabolic tumor microenvironment, which typically contains a lower concentration of glucose compared to normal tissues. The present review sheds light on the recent literature on adaptive responses in cancer cells to nutrient deprivation. It focuses on the utilization of alternative nutrients in anabolic metabolic pathways in cancer cells, including soluble metabolites and macromolecules and outlines the role of central metabolic enzymes conferring metabolic flexibility, like gluconeogenesis enzymes. Moreover, a conceptual framework for potential therapies targeting metabolically flexible cancer cells is presented.
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Affiliation(s)
- Gabriele Grasmann
- Division of Pulmonology, Department of Internal Medicine, Medical University of Graz, A-8036 Graz, Austria; (G.G.); (A.M.)
| | - Ayusi Mondal
- Division of Pulmonology, Department of Internal Medicine, Medical University of Graz, A-8036 Graz, Austria; (G.G.); (A.M.)
| | - Katharina Leithner
- Division of Pulmonology, Department of Internal Medicine, Medical University of Graz, A-8036 Graz, Austria; (G.G.); (A.M.)
- BioTechMed-Graz, A-8010 Graz, Austria
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197
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Zhao S, Peralta RM, Avina-Ochoa N, Delgoffe GM, Kaech SM. Metabolic regulation of T cells in the tumor microenvironment by nutrient availability and diet. Semin Immunol 2021; 52:101485. [PMID: 34462190 PMCID: PMC8545851 DOI: 10.1016/j.smim.2021.101485] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Accepted: 08/12/2021] [Indexed: 12/11/2022]
Abstract
Recent advances in immunotherapies such as immune checkpoint blockade (ICB) and chimeric antigen receptor T cells (CAR-T) for the treatment of cancer have generated excitement over their ability to yield durable, and potentially curative, responses in a multitude of cancers. These findings have established that the immune system is capable of eliminating tumors and led us to a better, albeit still incomplete, understanding of the mechanisms by which tumors interact with and evade destruction by the immune system. Given the central role of T cells in immunotherapy, elucidating the cell intrinsic and extrinsic factors that govern T cell function in tumors will facilitate the development of immunotherapies that establish durable responses in a greater number of patients. One such factor is metabolism, a set of fundamental cellular processes that not only sustains cell survival and proliferation, but also serves as a means for cells to interpret their local environment. Nutrient sensing is critical for T cells that must infiltrate into a metabolically challenging tumor microenvironment and expand under these harsh conditions to eliminate cancerous cells. Here we introduce T cell exhaustion with respect to cellular metabolism, followed by a discussion of nutrient availability at the tumor and organismal level in relation to T cell metabolism and function to provide rationale for the study and targeting of metabolism in anti-tumor immune responses.
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Affiliation(s)
- Steven Zhao
- NOMIS Center for Immunobiology and Microbial Pathogenesis, Salk Institute for Biological Studies, La Jolla, CA, USA
| | - Ronal M Peralta
- Tumor Microenvironment Center, Department of Immunology, UPMC Hillman Cancer Center and University of Pittsburgh, Pittsburgh, PA, USA
| | - Natalia Avina-Ochoa
- NOMIS Center for Immunobiology and Microbial Pathogenesis, Salk Institute for Biological Studies, La Jolla, CA, USA
| | - Greg M Delgoffe
- Tumor Microenvironment Center, Department of Immunology, UPMC Hillman Cancer Center and University of Pittsburgh, Pittsburgh, PA, USA.
| | - Susan M Kaech
- NOMIS Center for Immunobiology and Microbial Pathogenesis, Salk Institute for Biological Studies, La Jolla, CA, USA.
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198
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Abstract
Caveolin-1 (CAV1) is commonly considered to function as a cell surface protein, for instance in the genesis of caveolae. Nonetheless, it is also present in many intracellular organelles and compartments. The contributions of these intracellular pools to CAV1 function are generally less well understood, and this is also the case in the context of cancer. This review will summarize literature available on the role of CAV1 in cancer, highlighting particularly our understanding of the canonical (CAV1 in the plasma membrane) and non-canonical pathways (CAV1 in organelles and exosomes) linked to the dual role of the protein as a tumor suppressor and promoter of metastasis. With this in mind, we will focus on recently emerging concepts linking CAV1 function to the regulation of intracellular organelle communication within the same cell where CAV1 is expressed. However, we now know that CAV1 can be released from cells in exosomes and generate systemic effects. Thus, we will also elaborate on how CAV1 participates in intracellular communication between organelles as well as signaling between cells (non-canonical pathways) in cancer.
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Weber DD, Thapa M, Aminzadeh-Gohari S, Redtenbacher AS, Catalano L, Feichtinger RG, Koelblinger P, Dallmann G, Emberger M, Kofler B, Lang R. Targeted Metabolomics Identifies Plasma Biomarkers in Mice with Metabolically Heterogeneous Melanoma Xenografts. Cancers (Basel) 2021; 13:434. [PMID: 33498757 PMCID: PMC7865782 DOI: 10.3390/cancers13030434] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 01/15/2021] [Accepted: 01/20/2021] [Indexed: 12/16/2022] Open
Abstract
Melanomas are genetically and metabolically heterogeneous, which influences therapeutic efficacy and contributes to the development of treatment resistance in patients with metastatic disease. Metabolite phenotyping helps to better understand complex metabolic diseases, such as melanoma, and facilitates the development of novel therapies. Our aim was to characterize the tumor and plasma metabolomes of mice bearing genetically different melanoma xenografts. We engrafted the human melanoma cell lines A375 (BRAF mutant), WM47 (BRAF mutant), WM3000 (NRAS mutant), and WM3311 (BRAF, NRAS, NF1 triple-wildtype) and performed a broad-spectrum targeted metabolomics analysis of tumor and plasma samples obtained from melanoma-bearing mice as well as plasma samples from healthy control mice. Differences in ceramide and phosphatidylcholine species were observed between melanoma subtypes irrespective of the genetic driver mutation. Furthermore, beta-alanine metabolism differed between melanoma subtypes and was significantly enriched in plasma from melanoma-bearing mice compared to healthy mice. Moreover, we identified beta-alanine, p-cresol sulfate, sarcosine, tiglylcarnitine, two dihexosylceramides, and one phosphatidylcholine as potential melanoma biomarkers in plasma. The present data reflect the metabolic heterogeneity of melanomas but also suggest a diagnostic biomarker signature for melanoma screening.
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Affiliation(s)
- Daniela D. Weber
- Research Program for Receptor Biochemistry and Tumor Metabolism, Department of Pediatrics, University Hospital of the Paracelsus Medical University, 5020 Salzburg, Austria; (D.D.W.); (S.A.-G.); (A.-S.R.); (L.C.); (R.G.F.)
| | - Maheshwor Thapa
- BIOCRATES Life Sciences AG, 6020 Innsbruck, Austria; (M.T.); (G.D.)
| | - Sepideh Aminzadeh-Gohari
- Research Program for Receptor Biochemistry and Tumor Metabolism, Department of Pediatrics, University Hospital of the Paracelsus Medical University, 5020 Salzburg, Austria; (D.D.W.); (S.A.-G.); (A.-S.R.); (L.C.); (R.G.F.)
| | - Anna-Sophia Redtenbacher
- Research Program for Receptor Biochemistry and Tumor Metabolism, Department of Pediatrics, University Hospital of the Paracelsus Medical University, 5020 Salzburg, Austria; (D.D.W.); (S.A.-G.); (A.-S.R.); (L.C.); (R.G.F.)
| | - Luca Catalano
- Research Program for Receptor Biochemistry and Tumor Metabolism, Department of Pediatrics, University Hospital of the Paracelsus Medical University, 5020 Salzburg, Austria; (D.D.W.); (S.A.-G.); (A.-S.R.); (L.C.); (R.G.F.)
| | - René G. Feichtinger
- Research Program for Receptor Biochemistry and Tumor Metabolism, Department of Pediatrics, University Hospital of the Paracelsus Medical University, 5020 Salzburg, Austria; (D.D.W.); (S.A.-G.); (A.-S.R.); (L.C.); (R.G.F.)
| | - Peter Koelblinger
- Department of Dermatology and Allergology, University Hospital of the Paracelsus Medical University, 5020 Salzburg, Austria;
| | - Guido Dallmann
- BIOCRATES Life Sciences AG, 6020 Innsbruck, Austria; (M.T.); (G.D.)
| | | | - Barbara Kofler
- Research Program for Receptor Biochemistry and Tumor Metabolism, Department of Pediatrics, University Hospital of the Paracelsus Medical University, 5020 Salzburg, Austria; (D.D.W.); (S.A.-G.); (A.-S.R.); (L.C.); (R.G.F.)
| | - Roland Lang
- Department of Dermatology and Allergology, University Hospital of the Paracelsus Medical University, 5020 Salzburg, Austria;
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Bali P, Coker J, Lozano-Pope I, Zengler K, Obonyo M. Microbiome Signatures in a Fast- and Slow-Progressing Gastric Cancer Murine Model and Their Contribution to Gastric Carcinogenesis. Microorganisms 2021; 9:microorganisms9010189. [PMID: 33477306 PMCID: PMC7829848 DOI: 10.3390/microorganisms9010189] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 01/10/2021] [Accepted: 01/13/2021] [Indexed: 02/07/2023] Open
Abstract
Gastric cancer is the third most common cause of death from cancer in the world and infection with Helicobacter
pylori (H. pylori) is the main cause of gastric cancer. In addition to Helicobacter infection, the overall stomach microbiota has recently emerged as a potential factor in gastric cancer progression. Previously we had established that mice deficient in myeloid differentiation primary response gene 88 (MyD88, Myd88-/-
) rapidly progressed to neoplasia when infected with H. felis. Thus, in order to assess the role of the microbiota in this fast-progressing gastric cancer model we investigated changes of the gastric microbiome in mice with different genotypic backgrounds: wild type (WT), MyD88-deficient (Myd88-/-
), mice deficient in the Toll/interleukin-1 receptor (TIR) domain-containing adaptor-inducing interferon-β (TRIF, Trif
Lps2), and MyD88- and TRIF-deficient (Myd88-/-
/Trif
Lps2, double knockout (DKO)) mice. We compared changes in alpha diversity, beta diversity, relative abundance, and log-fold differential of relative abundance ratios in uninfected and Helicobacter infected mice and studied their correlations with disease progression to gastric cancer in situ. We observed an overall reduction in microbial diversity post-infection with H. felis across all genotypes. Campylobacterales were observed in all infected mice, with marked reduction in abundance at 3 and 6 months in Myd88-/-
mice. A sharp increase in Lactobacillales in infected Myd88-/-
and DKO mice at 3 and 6 months was observed as compared to Trif
Lps2 and WT mice, hinting at a possible role of these bacteria in gastric cancer progression. This was further reinforced upon comparison of Lactobacillales log-fold differentials with histological data, indicating that Lactobacillales are closely associated with Helicobacter infection and gastric cancer progression. Our study suggests that differences in genotypes could influence the stomach microbiome and make it more susceptible to the development of gastric cancer upon Helicobacter infection. Additionally, increase in Lactobacillales could contribute to faster development of gastric cancer and might serve as a potential biomarker for the fast progressing form of gastric cancer.
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Affiliation(s)
- Prerna Bali
- Department of Medicine, School of Medicine, University of California, San Diego, La Jolla, CA 92093, USA; (P.B.); (I.L.-P.)
| | - Joanna Coker
- Department of Pediatrics, University of California, San Diego, La Jolla, CA 92093, USA; (J.C.); (K.Z.)
| | - Ivonne Lozano-Pope
- Department of Medicine, School of Medicine, University of California, San Diego, La Jolla, CA 92093, USA; (P.B.); (I.L.-P.)
| | - Karsten Zengler
- Department of Pediatrics, University of California, San Diego, La Jolla, CA 92093, USA; (J.C.); (K.Z.)
- Center for Microbiome Innovation, University of California, San Diego, La Jolla, CA 92093, USA
- Department of Bioengineering, University of California, San Diego, La Jolla, CA 92093, USA
| | - Marygorret Obonyo
- Department of Medicine, School of Medicine, University of California, San Diego, La Jolla, CA 92093, USA; (P.B.); (I.L.-P.)
- Center for Microbiome Innovation, University of California, San Diego, La Jolla, CA 92093, USA
- Correspondence:
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