1
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Cao Y, Wang S, Zhang M, Lai B, Liang Y. PFKFB3-mediated glycolysis in hepatic stellate cells promotes liver regeneration. Biochem Biophys Res Commun 2024; 712-713:149958. [PMID: 38640731 DOI: 10.1016/j.bbrc.2024.149958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 04/11/2024] [Accepted: 04/15/2024] [Indexed: 04/21/2024]
Abstract
Hepatic stellate cells (HSCs) perform a significant function in liver regeneration (LR) by becoming active. We propose to investigate if activated HSCs enhance glycolysis via PFKFB3, an essential glycolytic regulator, and whether targeting this pathway could be beneficial for LR. The liver and isolated HSCs of mice subjected to 2/3 partial hepatectomy (PHx) exhibited a significant rise in PFKFB3 expression, as indicated by quantitative RT-PCR analyses and Western blotting. Also, the primary HSCs of mice subjected to PHx have a significant elevation of the glycolysis level. Knocking down PFKFB3 significantly diminished the enhancement of glycolysis by PDGF in human LX2 cells. The hepatocyte proliferation in mice treated with PHx was almost completely prevented when the PFKFB3 inhibitor 3PO was administered, emerging that PFKFB3 is essential in LR. Furthermore, there was a decline in mRNA expression of immediate early genes and proinflammatory cytokines. In terms of mechanism, both the p38 MAP kinase and ERK1/2 phosphorylation in LO2 cells and LO2 proliferation were significantly reduced by the conditioned medium (CM) obtained from LX2 cells with either PFKFB3 knockdown or inhibition. Compared to the control group, isolated hepatocytes from 3PO-treated mice showed decreased p38 MAP kinase and ERK1/2 phosphorylation and proliferation. Thus, LR after PHx involves the activation of PFKFB3 in HSCs, which enhances glycolysis and promotes lactate production, thereby facilitating hepatocyte proliferation via the p38/ERK MAPK signaling pathway.
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Affiliation(s)
- Yapeng Cao
- Cardiovascular Research Center, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Key Laboratory of Environment and Genes Related to Diseases, Xi'an Jiaotong University, Xi'an, 710061, China.
| | - Siyu Wang
- Cardiovascular Research Center, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Key Laboratory of Environment and Genes Related to Diseases, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Min Zhang
- Cardiovascular Research Center, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Key Laboratory of Environment and Genes Related to Diseases, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Baochang Lai
- Cardiovascular Research Center, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Key Laboratory of Environment and Genes Related to Diseases, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Yanni Liang
- Shaanxi Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, State Key Laboratory of Research and Development of Characteristic Qin Medicine Resources (Cultivation), Shaanxi University of Chinese Medicine, Xian Yang, 712046, China.
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2
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Boufaied N, Chetta P, Hallal T, Cacciatore S, Lalli D, Luthold C, Homsy K, Imada EL, Syamala S, Photopoulos C, Di Matteo A, de Polo A, Storaci AM, Huang Y, Giunchi F, Sheridan PA, Michelotti G, Nguyen QD, Zhao X, Liu Y, Davicioni E, Spratt DE, Sabbioneda S, Maga G, Mucci LA, Ghigna C, Marchionni L, Butler LM, Ellis L, Bordeleau F, Loda M, Vaira V, Labbé DP, Zadra G. Obesogenic High-Fat Diet and MYC Cooperate to Promote Lactate Accumulation and Tumor Microenvironment Remodeling in Prostate Cancer. Cancer Res 2024; 84:1834-1855. [PMID: 38831751 PMCID: PMC11148549 DOI: 10.1158/0008-5472.can-23-0519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 12/29/2023] [Accepted: 04/05/2024] [Indexed: 06/05/2024]
Abstract
Cancer cells exhibit metabolic plasticity to meet oncogene-driven dependencies while coping with nutrient availability. A better understanding of how systemic metabolism impacts the accumulation of metabolites that reprogram the tumor microenvironment (TME) and drive cancer could facilitate development of precision nutrition approaches. Using the Hi-MYC prostate cancer mouse model, we demonstrated that an obesogenic high-fat diet (HFD) rich in saturated fats accelerates the development of c-MYC-driven invasive prostate cancer through metabolic rewiring. Although c-MYC modulated key metabolic pathways, interaction with an obesogenic HFD was necessary to induce glycolysis and lactate accumulation in tumors. These metabolic changes were associated with augmented infiltration of CD206+ and PD-L1+ tumor-associated macrophages (TAM) and FOXP3+ regulatory T cells, as well as with the activation of transcriptional programs linked to disease progression and therapy resistance. Lactate itself also stimulated neoangiogenesis and prostate cancer cell migration, which were significantly reduced following treatment with the lactate dehydrogenase inhibitor FX11. In patients with prostate cancer, high saturated fat intake and increased body mass index were associated with tumor glycolytic features that promote the infiltration of M2-like TAMs. Finally, upregulation of lactate dehydrogenase, indicative of a lactagenic phenotype, was associated with a shorter time to biochemical recurrence in independent clinical cohorts. This work identifies cooperation between genetic drivers and systemic metabolism to hijack the TME and promote prostate cancer progression through oncometabolite accumulation. This sets the stage for the assessment of lactate as a prognostic biomarker and supports strategies of dietary intervention and direct lactagenesis blockade in treating advanced prostate cancer. SIGNIFICANCE Lactate accumulation driven by high-fat diet and MYC reprograms the tumor microenvironment and promotes prostate cancer progression, supporting the potential of lactate as a biomarker and therapeutic target in prostate cancer. See related commentary by Frigo, p. 1742.
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Affiliation(s)
- Nadia Boufaied
- Cancer Research Program, Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
| | - Paolo Chetta
- University of Milan, Residency Program in Pathology, Milan, Italy
- Department of Pathology, Massachusetts General Hospital, Boston, Massachusetts
| | - Tarek Hallal
- Cancer Research Program, Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
- Department of Anatomy and Cell Biology, McGill University, Montréal, Québec, Canada
| | - Stefano Cacciatore
- Bionformatics Unit, International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town, South Africa
| | - Daniela Lalli
- Department of Science and Technological Innovation, University of Piemonte Orientale “A. Avogadro,” Alessandria, Italy
| | - Carole Luthold
- CHU de Québec-Université Laval Research Center (Oncology Division) and Cancer Research Center, Centre de Recherche en Organogénèse Expérimentale/LOEX, Université Laval, Québec, Canada
| | - Kevin Homsy
- CHU de Québec-Université Laval Research Center (Oncology Division) and Cancer Research Center, Centre de Recherche en Organogénèse Expérimentale/LOEX, Université Laval, Québec, Canada
| | - Eddie L. Imada
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York Presbyterian-Weill Cornell Campus, New York, New York
| | - Sudeepa Syamala
- Department of Oncologic Pathology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts
| | - Cornelia Photopoulos
- Department of Oncologic Pathology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts
| | - Anna Di Matteo
- Institute of Molecular Genetics, National Research Council (CNR-IGM), Pavia, Italy
| | - Anna de Polo
- Cancer Research Program, Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
| | | | - Ying Huang
- Department of Oncologic Pathology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts
| | - Francesca Giunchi
- Pathology Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | | | | | - Quang-De Nguyen
- Department of Imaging, Lurie Family Imaging Center, Center for Biomedical Imaging in Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts
| | - Xin Zhao
- Veracyte, South San Francisco, California
| | - Yang Liu
- Veracyte, South San Francisco, California
| | | | - Daniel E. Spratt
- Department of Radiation Oncology, University Hospitals Seidman Cancer Center, Case Western Reserve University School of Medicine, Cleveland, Ohio
| | - Simone Sabbioneda
- Institute of Molecular Genetics, National Research Council (CNR-IGM), Pavia, Italy
| | - Giovanni Maga
- Institute of Molecular Genetics, National Research Council (CNR-IGM), Pavia, Italy
| | - Lorelei A. Mucci
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
| | - Claudia Ghigna
- Institute of Molecular Genetics, National Research Council (CNR-IGM), Pavia, Italy
| | - Luigi Marchionni
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York Presbyterian-Weill Cornell Campus, New York, New York
| | - Lisa M. Butler
- South Australian Immunogenomics Cancer Institute and Freemasons Centre for Male Health and Wellbeing, University of Adelaide, South Australian Health and Medical Research Institute, Adelaide, Australia
| | - Leigh Ellis
- Department of Surgery, Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences and the Walter Reed National Military Medical Center; The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland
| | - François Bordeleau
- CHU de Québec-Université Laval Research Center (Oncology Division) and Cancer Research Center, Centre de Recherche en Organogénèse Expérimentale/LOEX, Université Laval, Québec, Canada
- Department of Molecular Biology, Clinical Biochemistry, and Pathology, Laval University, Québec, Canada
| | - Massimo Loda
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York Presbyterian-Weill Cornell Campus, New York, New York
| | - Valentina Vaira
- Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy
- Division of Pathology, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - David P. Labbé
- Cancer Research Program, Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
- Department of Anatomy and Cell Biology, McGill University, Montréal, Québec, Canada
- Division of Urology, Department of Surgery, McGill University, Montréal, Québec, Canada
| | - Giorgia Zadra
- Department of Oncologic Pathology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts
- Institute of Molecular Genetics, National Research Council (CNR-IGM), Pavia, Italy
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
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3
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Xu S, Liao J, Liu B, Zhang C, Xu X. Aerobic glycolysis of vascular endothelial cells: a novel perspective in cancer therapy. Mol Biol Rep 2024; 51:717. [PMID: 38824197 PMCID: PMC11144152 DOI: 10.1007/s11033-024-09588-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Accepted: 04/25/2024] [Indexed: 06/03/2024]
Abstract
Vascular endothelial cells (ECs) are monolayers of cells arranged in the inner walls of blood vessels. Under normal physiological conditions, ECs play an essential role in angiogenesis, homeostasis and immune response. Emerging evidence suggests that abnormalities in EC metabolism, especially aerobic glycolysis, are associated with the initiation and progression of various diseases, including multiple cancers. In this review, we discuss the differences in aerobic glycolysis of vascular ECs under normal and pathological conditions, focusing on the recent research progress of aerobic glycolysis in tumor vascular ECs and potential strategies for cancer therapy.
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Affiliation(s)
- Shenhao Xu
- Department of urology, the Fourth Affiliated Hospital of School of Medicine, and International School of Medicine, International Institutes of Medicine, Zhejiang University, Yiwu, 322000, China
| | - Jiahao Liao
- Department of urology, the Fourth Affiliated Hospital of School of Medicine, and International School of Medicine, International Institutes of Medicine, Zhejiang University, Yiwu, 322000, China
| | - Bing Liu
- Department of urology, the Fourth Affiliated Hospital of School of Medicine, and International School of Medicine, International Institutes of Medicine, Zhejiang University, Yiwu, 322000, China
| | - Cheng Zhang
- Department of urology, the Fourth Affiliated Hospital of School of Medicine, and International School of Medicine, International Institutes of Medicine, Zhejiang University, Yiwu, 322000, China.
| | - Xin Xu
- The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, China.
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4
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Li F, Xu L, Li C, Hu F, Su Y. Immunological role of Gas6/TAM signaling in hemostasis and thrombosis. Thromb Res 2024; 238:161-171. [PMID: 38723521 DOI: 10.1016/j.thromres.2024.05.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Revised: 04/26/2024] [Accepted: 05/02/2024] [Indexed: 05/21/2024]
Abstract
The immune system is an emerging regulator of hemostasis and thrombosis. The concept of immunothrombosis redefines the relationship between coagulation and immunomodulation, and the Gas6/Tyro3-Axl-MerTK (TAM) signaling pathway builds the bridge across them. During coagulation, Gas6/TAM signaling pathway not only activates platelets, but also promotes thrombosis through endothelial cells and vascular smooth muscle cells involved in inflammatory responses. Thrombosis appears to be a common result of a Gas6/TAM signaling pathway-mediated immune dysregulation. TAM TK and its ligands have been found to be involved in coagulation through the PI3K/AKT or JAK/STAT pathway in various systemic diseases, providing new perspectives in the understanding of immunothrombosis. Gas6/TAM signaling pathway serves as a breakthrough target for novel therapeutic strategies to improve disease management. Many preclinical and clinical studies of TAM receptor inhibitors are in process, confirming the pivotal role of Gas6/TAM signaling pathway in immunothrombosis. Therapeutics targeting the TAM receptor show potential both in anticoagulation management and immunotherapy. Here, we review the immunological functions of the Gas6/TAM signaling pathway in coagulation and its multiple mechanisms in diseases identified to date, and discuss the new clinical strategies that may generated by these roles.
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Affiliation(s)
- Fanshu Li
- Department of Rheumatology and Immunology, Peking University People's Hospital & Beijing Key Laboratory for Rheumatism Mechanism and Immune Diagnosis (BZ0135), Beijing, China
| | - Liling Xu
- Department of Rheumatology and Immunology, Peking University People's Hospital & Beijing Key Laboratory for Rheumatism Mechanism and Immune Diagnosis (BZ0135), Beijing, China.
| | - Chun Li
- Department of Rheumatology and Immunology, Peking University People's Hospital & Beijing Key Laboratory for Rheumatism Mechanism and Immune Diagnosis (BZ0135), Beijing, China
| | - Fanlei Hu
- Department of Rheumatology and Immunology, Peking University People's Hospital & Beijing Key Laboratory for Rheumatism Mechanism and Immune Diagnosis (BZ0135), Beijing, China; State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, China; Department of Integration of Chinese and Western Medicine, School of Basic Medical Sciences, Peking University, Beijing, China.
| | - Yin Su
- Department of Rheumatology and Immunology, Peking University People's Hospital & Beijing Key Laboratory for Rheumatism Mechanism and Immune Diagnosis (BZ0135), Beijing, China; Peking University People's Hospital, Qingdao, China
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5
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Monaci S, Coppola F, Filippi I, Falsini A, Carraro F, Naldini A. Targeting hypoxia signaling pathways in angiogenesis. Front Physiol 2024; 15:1408750. [PMID: 38725568 PMCID: PMC11079266 DOI: 10.3389/fphys.2024.1408750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Accepted: 04/10/2024] [Indexed: 05/12/2024] Open
Abstract
Oxygen (O2) supply is constantly maintained by the vascular network for a proper tissue oxygenation. Hypoxia is the result of an increased O2 demand and/or decreased supply and is common in both physiological conditions and human diseases. Angiogenesis is one of the adaptive responses to hypoxia and is mainly regulated by the hypoxia-inducible factors, HIFs. These heterodimeric transcription factors are composed of one of three O2-dependent α subunits (HIF-1, HIF-2, and HIF-3) and a constitutively expressed O2-insensitive subunit (HIF-1β). Among them HIF-1α is the most characterized and its activity is tightly controlled. Under hypoxia, its intracellular accumulation triggers the transcription of several genes, involved in cell survival/proliferation, autophagy, apoptosis, cell metabolism, and angiogenesis. HIF pathway is also modulated by specific microRNAs (miRNAs), thus resulting in the variation of several cellular responses, including alteration of the angiogenic process. The pro-angiogenic activity of HIF-1α is not restricted to endothelial cells, as it also affects the behavior of other cell types, including tumor and inflammatory/immune cells. In this context, exosomes play a crucial role in cell-cell communication by transferring bio-active cargos such as mRNAs, miRNAs, and proteins (e.g., VEGFA mRNA, miR210, HIF-1α). This minireview will provide a synopsis of the multiple factors able to modulate hypoxia-induced angiogenesis especially in the tumor microenvironment context. Targeting hypoxia signaling pathways by up-to-date approaches may be relevant in the design of therapeutic strategies in those pathologies where angiogenesis is dysregulated.
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Affiliation(s)
- Sara Monaci
- Cellular and Molecular Physiology Unit, Department of Molecular and Developmental Medicine, University of Siena, Siena, Italy
| | - Federica Coppola
- Cellular and Molecular Physiology Unit, Department of Molecular and Developmental Medicine, University of Siena, Siena, Italy
| | - Irene Filippi
- Cellular and Molecular Physiology Unit, Department of Molecular and Developmental Medicine, University of Siena, Siena, Italy
| | - Alessandro Falsini
- Cellular and Molecular Physiology Unit, Department of Molecular and Developmental Medicine, University of Siena, Siena, Italy
| | - Fabio Carraro
- Department of Medical Biotechnologies, University of Siena, Siena, Italy
| | - Antonella Naldini
- Cellular and Molecular Physiology Unit, Department of Molecular and Developmental Medicine, University of Siena, Siena, Italy
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6
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Sadeghsoltani F, Hassanpour P, Safari MM, Haiaty S, Rahbarghazi R, Rahmati M, Mota A. Angiogenic activity of mitochondria; beyond the sole bioenergetic organelle. J Cell Physiol 2024; 239:e31185. [PMID: 38219050 DOI: 10.1002/jcp.31185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 12/08/2023] [Accepted: 12/12/2023] [Indexed: 01/15/2024]
Abstract
Angiogenesis is a complex process that involves the expansion of the pre-existing vascular plexus to enhance oxygen and nutrient delivery and is stimulated by various factors, including hypoxia. Since the process of angiogenesis requires a lot of energy, mitochondria play an important role in regulating and promoting this phenomenon. Besides their roles as an oxidative metabolism base, mitochondria are potential bioenergetics organelles to maintain cellular homeostasis via sensing alteration in oxygen levels. Under hypoxic conditions, mitochondria can regulate angiogenesis through different factors. It has been indicated that unidirectional and bidirectional exchange of mitochondria or their related byproducts between the cells is orchestrated via different intercellular mechanisms such as tunneling nanotubes, extracellular vesicles, and gap junctions to maintain the cell homeostasis. Even though, the transfer of mitochondria is one possible mechanism by which cells can promote and regulate the process of angiogenesis under reperfusion/ischemia injury. Despite the existence of a close relationship between mitochondrial donation and angiogenic response in different cell types, the precise molecular mechanisms associated with this phenomenon remain unclear. Here, we aimed to highlight the possible role of mitochondria concerning angiogenesis, especially the role of mitochondrial transport and the possible relation of this transfer with autophagy, the housekeeping phenomenon of cells, and angiogenesis.
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Affiliation(s)
- Fatemeh Sadeghsoltani
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Clinical Biochemistry and Laboratory Medicine, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Parisa Hassanpour
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mir-Meghdad Safari
- Open Heart ICU of Shahid Madani Cardiovascular Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sanya Haiaty
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Reza Rahbarghazi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Applied Cell Sciences, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohamad Rahmati
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ali Mota
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Clinical Biochemistry and Laboratory Medicine, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
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7
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Tutusaus A, Morales A, García de Frutos P, Marí M. GAS6/TAM Axis as Therapeutic Target in Liver Diseases. Semin Liver Dis 2024; 44:99-114. [PMID: 38395061 PMCID: PMC11027478 DOI: 10.1055/a-2275-0408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/25/2024]
Abstract
TAM (TYRO3, AXL, and MERTK) protein tyrosine kinase membrane receptors and their vitamin K-dependent ligands GAS6 and protein S (PROS) are well-known players in tumor biology and autoimmune diseases. In contrast, TAM regulation of fibrogenesis and the inflammation mechanisms underlying metabolic dysfunction-associated steatohepatitis (MASH), cirrhosis, and, ultimately, liver cancer has recently been revealed. GAS6 and PROS binding to phosphatidylserine exposed in outer membranes of apoptotic cells links TAMs, particularly MERTK, with hepatocellular damage. In addition, AXL and MERTK regulate the development of liver fibrosis and inflammation in chronic liver diseases. Acute hepatic injury is also mediated by the TAM system, as recent data regarding acetaminophen toxicity and acute-on-chronic liver failure have uncovered. Soluble TAM-related proteins, mainly released from activated macrophages and hepatic stellate cells after hepatic deterioration, are proposed as early serum markers for disease progression. In conclusion, the TAM system is becoming an interesting pharmacological target in liver pathology and a focus of future biomedical research in this field.
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Affiliation(s)
- Anna Tutusaus
- Department of Cell Death and Proliferation, IIBB-CSIC, IDIBAPS, Barcelona, Catalunya, Spain
- Barcelona Clinic Liver Cancer (BCLC) Group, Barcelona, Spain
| | - Albert Morales
- Department of Cell Death and Proliferation, IIBB-CSIC, IDIBAPS, Barcelona, Catalunya, Spain
- Barcelona Clinic Liver Cancer (BCLC) Group, Barcelona, Spain
| | - Pablo García de Frutos
- Department of Cell Death and Proliferation, IIBB-CSIC, IDIBAPS, Barcelona, Catalunya, Spain
- Centro de Investigación Biomédica en Red sobre Enfermedades Cardiovasculares (CIBERCV), Barcelona, Comunidad de Madrid, Spain
| | - Montserrat Marí
- Department of Cell Death and Proliferation, IIBB-CSIC, IDIBAPS, Barcelona, Catalunya, Spain
- Barcelona Clinic Liver Cancer (BCLC) Group, Barcelona, Spain
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8
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Kang X, Huang Y, Wang H, Jadhav S, Yue Z, Tiwari AK, Babu RJ. Tumor-Associated Macrophage Targeting of Nanomedicines in Cancer Therapy. Pharmaceutics 2023; 16:61. [PMID: 38258072 PMCID: PMC10819517 DOI: 10.3390/pharmaceutics16010061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 12/24/2023] [Accepted: 12/25/2023] [Indexed: 01/24/2024] Open
Abstract
The tumor microenvironment (TME) is pivotal in tumor growth and metastasis, aligning with the "Seed and Soil" theory. Within the TME, tumor-associated macrophages (TAMs) play a central role, profoundly influencing tumor progression. Strategies targeting TAMs have surfaced as potential therapeutic avenues, encompassing interventions to block TAM recruitment, eliminate TAMs, reprogram M2 TAMs, or bolster their phagocytic capabilities via specific pathways. Nanomaterials including inorganic materials, organic materials for small molecules and large molecules stand at the forefront, presenting significant opportunities for precise targeting and modulation of TAMs to enhance therapeutic efficacy in cancer treatment. This review provides an overview of the progress in designing nanoparticles for interacting with and influencing the TAMs as a significant strategy in cancer therapy. This comprehensive review presents the role of TAMs in the TME and various targeting strategies as a promising frontier in the ever-evolving field of cancer therapy. The current trends and challenges associated with TAM-based therapy in cancer are presented.
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Affiliation(s)
- Xuejia Kang
- Department of Drug Discovery and Development, Harrison College of Pharmacy, Auburn University, Auburn, AL 36849, USA;
- Materials Research and Education Center, Materials Engineering, Department of Mechanical Engineering, Auburn University, Auburn, AL 36849, USA
| | - Yongzhuo Huang
- Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Guangzhou 528400, China;
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China;
| | - Huiyuan Wang
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China;
| | - Sanika Jadhav
- Department of Pharmaceutical Sciences and Experimental Therapeutics, College of Pharmacy, University of Iowa, Iowa City, IA 52242, USA;
| | - Zongliang Yue
- Department of Health Outcome and Research Policy, Harrison School of Pharmacy, Auburn University, Auburn, AL 36849, USA;
| | - Amit K. Tiwari
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Arkansas of Medical Sciences, Little Rock, AR 72205, USA;
| | - R. Jayachandra Babu
- Department of Drug Discovery and Development, Harrison College of Pharmacy, Auburn University, Auburn, AL 36849, USA;
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9
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Im K, Choi YJ, Kim DH, Kim DS, Ban K, Ji W, Baek IJ, Choi CM, Lee JC, Rho JK. AXL receptor tyrosine kinase inhibition improves the anti-tumor effects of CD8 + T cells by inducing CD103 + dendritic cell-mediated T cell priming. Biochem Biophys Res Commun 2023; 680:7-14. [PMID: 37703603 DOI: 10.1016/j.bbrc.2023.09.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 08/23/2023] [Accepted: 09/10/2023] [Indexed: 09/15/2023]
Abstract
AXL is a member of TAM receptor family and has been highlighted as a potential target for cancer treatment. Accumulating evidence has uncovered the critical role of the AXL signaling pathway in tumor growth, metastasis, and resistance against anti-cancer drugs, as well as its association with cancer immune escape. However, the function of AXL as a manipulator of the immune system in the tumor microenvironment (TME) remains unclear. Therefore, in this study, we investigated the impact of AXL on immune cells in the TME of a syngeneic tumor model using AXL knockout (AXL-/-) mice. Compared to AXL wild-type (AXL+/+) mice, tumor growth was significantly suppressed in AXL-/- mice, and an induced population of tumor-infiltrated CD8+ T cells and CD103+ dendritic cells (DCs) was observed. The change of CD8+ T cells and CD103+ DCs was also confirmed in tumor-draining lymph nodes (TdLN). In addition, the clonal expansion of OVA-specific CD8+ T cells was dominant in AXL-/- mice. Finally, anti-PD-1 treatment evidenced synergistic anti-cancer effects in AXL-/- mice. Overall, our data indicate that AXL signaling may inhibit the clonal expansion of tumor-specific CD8+ T cells through the regulation of the migration of CD8+ T cells and DCs in TME. Thus, AXL may be a powerful molecular target to improve anti-cancer effects through single or combined therapy with immune checkpoint inhibitors (ICI).
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Affiliation(s)
- Kyungtaek Im
- Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan, College of Medicine, Seoul, 05505, South Korea
| | - Yun Jung Choi
- Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan, College of Medicine, Seoul, 05505, South Korea
| | - Dong Ha Kim
- Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan, College of Medicine, Seoul, 05505, South Korea
| | - Da-Som Kim
- Department of Biomedical Sciences, Asan Medical Center, AMIST, University of Ulsan, College of Medicine, Seoul, 05505, South Korea
| | - Kyosun Ban
- Department of Biomedical Sciences, Asan Medical Center, AMIST, University of Ulsan, College of Medicine, Seoul, 05505, South Korea
| | - Wonjun Ji
- Department of Pulmonology and Critical Care Medicine, Asan Medical Center, University of Ulsan, College of Medicine, Seoul, 05505, South Korea
| | - In-Jeoung Baek
- Department of Cell and Genetic Engineering, Asan Medical Center, University of Ulsan, College of Medicine, Seoul, 05505, South Korea
| | - Chang-Min Choi
- Department of Pulmonology and Critical Care Medicine, Asan Medical Center, University of Ulsan, College of Medicine, Seoul, 05505, South Korea
| | - Jae Cheol Lee
- Department of Oncology, Asan Medical Center, University of Ulsan, College of Medicine, Seoul, 05505, South Korea
| | - Jin Kyung Rho
- Department of Biochemistry and Molecular Biology, Asan Medical Center, University of Ulsan, College of Medicine, Seoul, 05505, South Korea.
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10
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Kotchetkov P, Blakeley N, Lacoste B. Involvement of brain metabolism in neurodevelopmental disorders. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2023; 173:67-113. [PMID: 37993180 DOI: 10.1016/bs.irn.2023.08.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2023]
Abstract
Neurodevelopmental disorders (NDDs) affect a significant portion of the global population and have a substantial social and economic impact worldwide. Most NDDs manifest in early childhood and are characterized by deficits in cognition, communication, social interaction and motor control. Due to a limited understanding of the etiology of NDDs, current treatment options primarily focus on symptom management rather than on curative solutions. Moreover, research on NDDs is problematic due to its reliance on a neurocentric approach. However, recent studies are broadening the scope of research on NDDs, to include dysregulations within a diverse network of brain cell types, including vascular and glial cells. This review aims to summarize studies from the past few decades on potential new contributions to the etiology of NDDs, with a special focus on metabolic signatures of various brain cells. In particular, we aim to convey how the metabolic functions are intimately linked to the onset and/or progression of common NDDs such as autism spectrum disorders, fragile X syndrome, Rett syndrome and Down syndrome.
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Affiliation(s)
- Pavel Kotchetkov
- Neuroscience Program, The Ottawa Hospital Research Institute, Ottawa, ON, Canada; Department of Cellular & Molecular Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Nicole Blakeley
- Neuroscience Program, The Ottawa Hospital Research Institute, Ottawa, ON, Canada; Department of Cellular & Molecular Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Baptiste Lacoste
- Neuroscience Program, The Ottawa Hospital Research Institute, Ottawa, ON, Canada; Department of Cellular & Molecular Medicine, University of Ottawa, Ottawa, ON, Canada; University of Ottawa Brain and Mind Research Institute, Ottawa, ON, Canada.
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11
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Singh M, Afonso J, Sharma D, Gupta R, Kumar V, Rani R, Baltazar F, Kumar V. Targeting monocarboxylate transporters (MCTs) in cancer: How close are we to the clinics? Semin Cancer Biol 2023; 90:1-14. [PMID: 36706846 DOI: 10.1016/j.semcancer.2023.01.007] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 01/23/2023] [Accepted: 01/23/2023] [Indexed: 01/26/2023]
Abstract
As a result of metabolic reprogramming, cancer cells display high rates of glycolysis, causing an excess production of lactate along with an increase in extracellular acidity. Proton-linked monocarboxylate transporters (MCTs) are crucial in the maintenance of this metabolic phenotype, by mediating the proton-coupled lactate flux across cell membranes, also contributing to cancer cell pH regulation. Among the proteins codified by the SLC16 gene family, MCT1 and MCT4 isoforms are the most explored in cancers, being overexpressed in many cancer types, from solid tumours to haematological malignancies. Similarly to what occurs in particular physiological settings, MCT1 and MCT4 are able to mediate lactate shuttles among cancer cells, and also between cancer and stromal cells in the tumour microenvironment. This form of metabolic cooperation is responsible for important cancer aggressiveness features, such as cell proliferation, survival, angiogenesis, migration, invasion, metastasis, immune tolerance and therapy resistance. The growing understanding of MCT functions and regulation is offering a new path to the design of novel inhibitors that can be foreseen in clinical practices. This review provides an overview of the role of MCT isoforms in cancer and summarizes the recent advances in their pharmacological targeting, highlighting the potential of new potent and selective MCT1 and/or MCT4 inhibitors in cancer therapeutics, and anticipating its inclusion in clinical practice.
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Affiliation(s)
- Mamta Singh
- Amity Institute of Molecular Medicine and Stem Cell Research Amity, University UP, Sector-125, Noida 201313, India
| | - Julieta Afonso
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal; ICVS/3B's - PT Government Associate Laboratory, Guimarães, Portugal
| | - Dolly Sharma
- Amity Institute of Molecular Medicine and Stem Cell Research Amity, University UP, Sector-125, Noida 201313, India; Amity Institute of Biotechnology, Amity University UP, Sector-125, Noida, India-201313
| | - Rajat Gupta
- Amity Institute of Molecular Medicine and Stem Cell Research Amity, University UP, Sector-125, Noida 201313, India
| | - Vivek Kumar
- Department of Chemistry, DBG College, Sector-18, Panipat, Haryana, India
| | - Reshma Rani
- Drug Discovery, Jubilant Biosys, Greater Noida 201306, UP, India.
| | - Fátima Baltazar
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal; ICVS/3B's - PT Government Associate Laboratory, Guimarães, Portugal.
| | - Vinit Kumar
- Amity Institute of Molecular Medicine and Stem Cell Research Amity, University UP, Sector-125, Noida 201313, India.
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12
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Yang J, Dong C, Wu J, Liu D, Luo Q, Jin X. Fructose utilization enhanced by GLUT5 promotes lung cancer cell migration via activating glycolysis/AKT pathway. Clin Transl Oncol 2023; 25:1080-1090. [PMID: 36454516 DOI: 10.1007/s12094-022-03015-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 11/12/2022] [Indexed: 12/03/2022]
Abstract
PURPOSE Lung cancer is the leading cause of cancer-related mortalities worldwide, and metastasis contributes to a large number of deaths in lung carcinoma patients. New approaches for anti-metastatic treatment are urgently needed. Enhanced fructose metabolism mediated by GLUT5 directly contributes to cancer metastasis. However, the underlying mechanism remains to be elucidated, which we aimed to explore in this study. METHODS The overexpression and knockdown of SLC2A5, the encoding gene of GLUT5, were established by retrovirus system and CRISPR/Cas9 technology, respectively. Cell migration was conducted by trans-well assay. Western blotting assay was carried out to detect the expression of GLUT5, total AKT, phosphorylated AKT (pAKT-S473 and pAKT-T308) and LDHA. Lactate production was measured by colorimetric assay. Experimental lung metastasis model by tail vein injection was constructed to evaluate the metastatic potential of GLUT5 in vivo. RESULTS Overexpression of SLC2A5 promoted migration of lung cancer cells both in vitro and in vivo, and shortened the overall survival of mice. While, SLC2A5 deletion blocked the migration of lung cancer cells. GLUT5-mediated fructose utilization upregulated phosphorylated AKT, which was responsible for enhanced migration of lung cancer cells. Additionally, GLUT5-mediated fructose utilization boosted glycolysis with overproduction of lactate, resulting in upregulation of phosphorylated AKT. Moreover, lung cancer cell migration and AKT activation were restrained by glycolysis inhibitor 2-deoxy-D-glucose (2-DG) or GLUT5-specific inhibitor 2,5-anhydro-D-mannitol (2,5-AM). CONCLUSION Our study unveils glycolysis/lactate/AKT pathway is responsible for lung cancer cell migration induced by GLUT5-mediated fructose metabolism, providing a potential therapeutic avenue for lung cancer metastasis.
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Affiliation(s)
- Jing Yang
- Cancer Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
- Department of Pharmacy, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai, 200071, China
| | - Changsheng Dong
- Cancer Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Jia Wu
- Cancer Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Dan Liu
- Cancer Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Qin Luo
- Cancer Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China.
| | - Xing Jin
- Cancer Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China.
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Singh L, Nair L, Kumar D, Arora MK, Bajaj S, Gadewar M, Mishra SS, Rath SK, Dubey AK, Kaithwas G, Choudhary M, Singh M. Hypoxia induced lactate acidosis modulates tumor microenvironment and lipid reprogramming to sustain the cancer cell survival. Front Oncol 2023; 13:1034205. [PMID: 36761981 PMCID: PMC9906992 DOI: 10.3389/fonc.2023.1034205] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Accepted: 01/04/2023] [Indexed: 01/26/2023] Open
Abstract
It is well known that solid hypoxic tumour cells oxidise glucose through glycolysis, and the end product of this pathway is fermented into lactate which accumulates in the tumour microenvironment (TME). Initially, it was proclaimed that cancer cells cannot use lactate; therefore, they dump it into the TME and subsequently augment the acidity of the tumour milieu. Furthermore, the TME acts as a lactate sink with stope variable amount of lactate in different pathophysiological condition. Regardless of the amount of lactate pumped out within TME, it disappears immediately which still remains an unresolved puzzle. Recent findings have paved pathway in exploring the main role of lactate acidosis in TME. Cancer cells utilise lactate in the de novo fatty acid synthesis pathway to initiate angiogenesis and invasiveness, and lactate also plays a crucial role in the suppression of immunity. Furthermore, lactate re-programme the lipid biosynthetic pathway to develop a metabolic symbiosis in normoxic, moderately hypoxic and severely hypoxic cancer cells. For instance: severely hypoxic cancer cells enable to synthesizing poly unsaturated fatty acids (PUFA) in oxygen scarcity secretes excess of lactate in TME. Lactate from TME is taken up by the normoxic cancer cells whereas it is converted back to PUFAs after a sequence of reactions and then liberated in the TME to be utilized in the severely hypoxic cancer cells. Although much is known about the role of lactate in these biological processes, the exact molecular pathways that are involved remain unclear. This review attempts to understand the molecular pathways exploited by lactate to initiate angiogenesis, invasiveness, suppression of immunity and cause re-programming of lipid synthesis. This review will help the researchers to develop proper understanding of lactate associated bimodal regulations of TME.
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Affiliation(s)
- Lakhveer Singh
- School of Pharmaceutical & Population Health Informatics, DIT University, Dehradun, India
| | - Lakshmi Nair
- Department of Pharmaceutical Science, Assam University (A Central University), Silchar, Assam, India
| | - Dinesh Kumar
- Department of Pharmaceutical Sciences, Central University of Haryana, Mahendergarh, Haryana, India
| | - Mandeep Kumar Arora
- School of Pharmaceutical & Population Health Informatics, DIT University, Dehradun, India
| | - Sakshi Bajaj
- Chaudhary Devi Lal College of Pharmacy, Yamuna Nagar, India
| | - Manoj Gadewar
- School of Medical and Allied Sciences, KR Mangalam University, Gurgaon, India
| | | | - Santosh Kumar Rath
- School of Pharmaceutical & Population Health Informatics, DIT University, Dehradun, India
| | - Amit Kumar Dubey
- School of Pharmaceutical & Population Health Informatics, DIT University, Dehradun, India
| | - Gaurav Kaithwas
- Department of Pharmaceutical Science, Babasaheb Bhimrao Ambedkar University, Lucknow, India
| | - Manjusha Choudhary
- University Institute of Pharmaceutical Sciences, Kurukshetra University, Kurukshetra, India,*Correspondence: Manjusha Choudhary, ; Manjari Singh,
| | - Manjari Singh
- Department of Pharmaceutical Science, Assam University (A Central University), Silchar, Assam, India,*Correspondence: Manjusha Choudhary, ; Manjari Singh,
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Henriksen HH, Marín de Mas I, Nielsen LK, Krocker J, Stensballe J, Karvelsson ST, Secher NH, Rolfsson Ó, Wade CE, Johansson PI. Endothelial Cell Phenotypes Demonstrate Different Metabolic Patterns and Predict Mortality in Trauma Patients. Int J Mol Sci 2023; 24:2257. [PMID: 36768579 PMCID: PMC9916682 DOI: 10.3390/ijms24032257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 01/15/2023] [Accepted: 01/19/2023] [Indexed: 01/26/2023] Open
Abstract
In trauma patients, shock-induced endotheliopathy (SHINE) is associated with a poor prognosis. We have previously identified four metabolic phenotypes in a small cohort of trauma patients (N = 20) and displayed the intracellular metabolic profile of the endothelial cell by integrating quantified plasma metabolomic profiles into a genome-scale metabolic model (iEC-GEM). A retrospective observational study of 99 trauma patients admitted to a Level 1 Trauma Center. Mass spectrometry was conducted on admission samples of plasma metabolites. Quantified metabolites were analyzed by computational network analysis of the iEC-GEM. Four plasma metabolic phenotypes (A-D) were identified, of which phenotype D was associated with an increased injury severity score (p < 0.001); 90% (91.6%) of the patients who died within 72 h possessed this phenotype. The inferred EC metabolic patterns were found to be different between phenotype A and D. Phenotype D was unable to maintain adequate redox homeostasis. We confirm that trauma patients presented four metabolic phenotypes at admission. Phenotype D was associated with increased mortality. Different EC metabolic patterns were identified between phenotypes A and D, and the inability to maintain adequate redox balance may be linked to the high mortality.
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Affiliation(s)
- Hanne H. Henriksen
- Section for Transfusion Medicine, Capital Region Blood Bank, Rigshospitalet, University of Copenhagen, 2100 Copenhagen, Denmark
- CAG Center for Endotheliomics, Copenhagen University Hospital, Rigshospitalet, 2100 Copenhagen, Denmark
| | - Igor Marín de Mas
- Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
| | - Lars K. Nielsen
- Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
- Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, 4072 Brisbane, Australia
| | - Joseph Krocker
- Center for Translational Injury Research, Department of Surgery, University of Texas Health Science Center, Houston, TX 77030, USA
| | - Jakob Stensballe
- Section for Transfusion Medicine, Capital Region Blood Bank, Rigshospitalet, University of Copenhagen, 2100 Copenhagen, Denmark
- CAG Center for Endotheliomics, Copenhagen University Hospital, Rigshospitalet, 2100 Copenhagen, Denmark
- Department of Anesthesia and Trauma Center, Center of Head and Orthopedics, Rigshospitalet, 2100 Copenhagen, Denmark
| | | | - Niels H. Secher
- Department of Anesthesiology, Centre for Cancer and Organ Diseases, Rigshospitalet, University of Copenhagen, 2100 Copenhagen, Denmark
| | - Óttar Rolfsson
- Center for Systems Biology, University of Iceland, 101 Reykjavik, Iceland
| | - Charles E. Wade
- Center for Translational Injury Research, Department of Surgery, University of Texas Health Science Center, Houston, TX 77030, USA
| | - Pär I. Johansson
- Section for Transfusion Medicine, Capital Region Blood Bank, Rigshospitalet, University of Copenhagen, 2100 Copenhagen, Denmark
- CAG Center for Endotheliomics, Copenhagen University Hospital, Rigshospitalet, 2100 Copenhagen, Denmark
- Center for Translational Injury Research, Department of Surgery, University of Texas Health Science Center, Houston, TX 77030, USA
- Center for Systems Biology, University of Iceland, 101 Reykjavik, Iceland
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15
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Acidosis significantly alters immune checkpoint expression profiles of T cells from oesophageal adenocarcinoma patients. Cancer Immunol Immunother 2023; 72:55-71. [PMID: 35708739 DOI: 10.1007/s00262-022-03228-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 05/17/2022] [Indexed: 01/07/2023]
Abstract
Tumour acidosis contributes to cancer progression by inhibiting anti-tumour immunity. However, the effect of acidosis on anti-tumour T cell phenotypes in oesophageal adenocarcinoma (OAC) is unknown. Therefore, this study investigated the effect of acidosis on anti-tumour T cell profiles and if immune checkpoint blockade (ICB) could enhance anti-tumour T cell immunity under acidosis. Acidic conditions substantially altered immune checkpoint expression profiles of OAC patient-derived T cells, upregulating TIM-3, LAG-3 and CTLA-4. Severe acidosis (pH 5.5) significantly decreased the percentage of central memory CD4+ T cells, an effect that was attenuated by ICB treatment. ICB increased T cell production of IFN-γ under moderate acidosis (pH 6.6) but not severe acidosis (pH 5.5) and decreased IL-10 production by T cells under severe acidic conditions only. A link between lactate and metastasis was also depicted; patients with nodal metastasis had higher serum lactate levels (p = 0.07) which also positively correlated with circulating levels of pro-angiogenic factor Tie-2. Our findings establish that acidosis-induced upregulation of immune checkpoints on T cells may potentially contribute to immune evasion and disease progression in OAC. However, acidic conditions curtailed ICB efficacy, supporting a rationale for utilizing systemic oral buffers to neutralize tumour acidity to improve ICB efficacy. Study schematic-PBMCs were isolated from OAC patients (A) and expanded ex vivo for 7 days using anti-CD3/28 +IL-2 T cell activation protocol (B) and further cultured for 48 h under increasing acidic conditions in the absence or presence of immune checkpoint blockade (nivolumab, ipilimumab or dual nivolumab + ipilimumab) (C). Immunophenotyping was then carried out to assess immune checkpoint expression profiles and anti-tumour T cell phenotypes (D). Serum lactate was assessed in OAC patients (E-F) and levels were correlated with patient demographics (G) and the levels of circulating immune/pro-angiogenic cytokines that were determined by multiplex ELISA (H). Key Findings-severe acidic conditions upregulated multiple immune checkpoints on T cells (I). Efficacy of ICB was curtailed under severe acidic conditions (J). Circulating lactate levels positively correlated with circulating levels of pro-angiogenic factor tie-2 and higher serum lactate levels were found in patients who had nodal metastasis (K).
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16
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Huang Y. Targeting glycolysis for cancer therapy using drug delivery systems. J Control Release 2023; 353:650-662. [PMID: 36493949 DOI: 10.1016/j.jconrel.2022.12.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 12/03/2022] [Indexed: 12/15/2022]
Abstract
There is close crosstalk between cancer metabolism and immunity. Cancer metabolism regulation is a promising therapeutic target for cancer immunotherapy. Warburg effect is characterized by abnormal glucose metabolism that includes common features of increased glucose uptake and lactate production. The aerobic glycolysis can reprogram the cancer cells and promote the formation of a suppressive immune microenvironment. As a case in point, lactate plays an essential role in tumorigenesis, which is the end product of glycolysis as well as serves as a fuel supporting cancer cell survival. Meanwhile, it is also an important immune regulator that drives immunosuppression in tumors. Immunometabolic therapy is to intervene tumor metabolism and regulate the related metabolites that participate in the innate and acquired immunity, thereby reinstalling the immune balance and eliciting anticancer immune responses. In this contribution to the Orations - New Horizons of the Journal of controlled Release I will provide an overview of glucose metabolism in tumors and its effects on drug resistance and tumor metastasis, and present the advance of glycolysis-targeting therapy strategies with drug delivery techniques, as well as discuss the challenges in glycolysis-targeting immunometabolic therapy.
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Affiliation(s)
- Yongzhuo Huang
- Zhongshan Institute for Drug Discovery, SIMM, CAS, China; Shanghai Institute of Materia Medica Chinese Academy of Science, China.
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17
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Chen L, Lin X, Lei Y, Xu X, Zhou Q, Chen Y, Liu H, Jiang J, Yang Y, Zheng F, Wu B. Aerobic glycolysis enhances HBx-initiated hepatocellular carcinogenesis via NF-κBp65/HK2 signalling. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2022; 41:329. [PMID: 36411480 PMCID: PMC9677649 DOI: 10.1186/s13046-022-02531-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 10/31/2022] [Indexed: 11/22/2022]
Abstract
BACKGROUND Aerobic glycolysis has been recognized as one of the growth-promoting metabolic alterations of cancer cells. Emerging evidence indicates that nuclear factor κB (NF-κB) plays significant roles in metabolic adaptation in normal cells and cancer cells. However, whether and how NF-κB regulates metabolic reprogramming in hepatocellular carcinoma (HCC), specifically hepatitis B virus X protein (HBx)-initiated HCC, has not been determined. METHODS A dataset of the HCC cohort from the TCGA database was used to analyse the expression of NF-κB family members. Expression of NF-κBp65 and phosphorylation of NF-κBp65 (p-p65) were detected in liver tissues from HBV-related HCC patients and normal controls. A newly established HBx+/+/NF-κBp65f/f and HBx+/+/NF-κBp65Δhepa spontaneous HCC mouse model was used to investigate the effects of NF-κBp65 on HBx-initiated hepatocarcinogenesis. Whether and how NF-κBp65 is involved in aerobic glycolysis induced by HBx in hepatocellular carcinogenesis were analysed in vitro and in vivo. RESULTS NF-κBp65 was upregulated in HBV-related HCC, and HBx induced NF-κBp65 upregulation and phosphorylation in vivo and in vitro. Hepatocyte-specific NF-κBp65 deficiency remarkably decreased HBx-initiated spontaneous HCC incidence in HBx-TG mice. Mechanistically, HBx induced aerobic glycolysis by activating NF-κBp65/hexokinase 2 (HK2) signalling in spontaneous hepatocarcinogenesis, and overproduced lactate significantly promoted HCC cell pernicious proliferation via the PI3K (phosphatidylinositide 3-kinase)/Akt pathway in hepatocarcinogenesis. CONCLUSION The data elucidate that NF-κBp65 plays a pivotal role in HBx-initiated spontaneous HCC, which depends on hyperactive NF-κBp65/HK2-mediated aerobic glycolysis to activate PI3K/Akt signalling. Thus, phosphorylation of NF-κBp65 will be a potential therapeutic target for HBV-related HCC.
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Affiliation(s)
- Lingjun Chen
- grid.412558.f0000 0004 1762 1794Department of Gastroenterology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 510630 Guangdong Province China ,grid.484195.5Guangdong Provincial Key Laboratory of Liver Disease Research, Guangzhou, 510630 Guangdong Province China
| | - Xianyi Lin
- grid.412558.f0000 0004 1762 1794Department of Gastroenterology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 510630 Guangdong Province China ,grid.484195.5Guangdong Provincial Key Laboratory of Liver Disease Research, Guangzhou, 510630 Guangdong Province China
| | - Yiming Lei
- grid.412558.f0000 0004 1762 1794Department of Gastroenterology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 510630 Guangdong Province China ,grid.484195.5Guangdong Provincial Key Laboratory of Liver Disease Research, Guangzhou, 510630 Guangdong Province China
| | - Xuan Xu
- grid.412558.f0000 0004 1762 1794Department of Gastroenterology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 510630 Guangdong Province China ,grid.484195.5Guangdong Provincial Key Laboratory of Liver Disease Research, Guangzhou, 510630 Guangdong Province China
| | - Qi Zhou
- grid.412558.f0000 0004 1762 1794Department of Gastroenterology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 510630 Guangdong Province China ,grid.484195.5Guangdong Provincial Key Laboratory of Liver Disease Research, Guangzhou, 510630 Guangdong Province China
| | - Yan Chen
- grid.412558.f0000 0004 1762 1794Department of Gastroenterology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 510630 Guangdong Province China ,grid.484195.5Guangdong Provincial Key Laboratory of Liver Disease Research, Guangzhou, 510630 Guangdong Province China
| | - Huiling Liu
- grid.412558.f0000 0004 1762 1794Department of Gastroenterology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 510630 Guangdong Province China ,grid.484195.5Guangdong Provincial Key Laboratory of Liver Disease Research, Guangzhou, 510630 Guangdong Province China
| | - Jie Jiang
- grid.412558.f0000 0004 1762 1794Department of Gastroenterology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 510630 Guangdong Province China ,grid.484195.5Guangdong Provincial Key Laboratory of Liver Disease Research, Guangzhou, 510630 Guangdong Province China
| | - Yidong Yang
- grid.412558.f0000 0004 1762 1794Department of Gastroenterology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 510630 Guangdong Province China ,grid.484195.5Guangdong Provincial Key Laboratory of Liver Disease Research, Guangzhou, 510630 Guangdong Province China
| | - Fengping Zheng
- grid.412558.f0000 0004 1762 1794Department of Gastroenterology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 510630 Guangdong Province China ,grid.484195.5Guangdong Provincial Key Laboratory of Liver Disease Research, Guangzhou, 510630 Guangdong Province China
| | - Bin Wu
- grid.412558.f0000 0004 1762 1794Department of Gastroenterology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 510630 Guangdong Province China ,grid.484195.5Guangdong Provincial Key Laboratory of Liver Disease Research, Guangzhou, 510630 Guangdong Province China
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18
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Metabolic Reprogramming in Tumor Endothelial Cells. Int J Mol Sci 2022; 23:ijms231911052. [PMID: 36232355 PMCID: PMC9570383 DOI: 10.3390/ijms231911052] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 09/15/2022] [Accepted: 09/17/2022] [Indexed: 11/29/2022] Open
Abstract
The dynamic crosstalk between the different components of the tumor microenvironment is critical to determine cancer progression, metastatic dissemination, tumor immunity, and therapeutic responses. Angiogenesis is critical for tumor growth, and abnormal blood vessels contribute to hypoxia and acidosis in the tumor microenvironment. In this hostile environment, cancer and stromal cells have the ability to alter their metabolism in order to support the high energetic demands and favor rapid tumor proliferation. Recent advances have shown that tumor endothelial cell metabolism is reprogrammed, and that targeting endothelial metabolic pathways impacts developmental and pathological vessel sprouting. Therefore, the use of metabolic antiangiogenic therapies to normalize the blood vasculature, in combination with immunotherapies, offers a clinical niche to treat cancer.
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19
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Lopes-Coelho F, Martins F, Hipólito A, Conde SV, Pereira SA, Gonçalves LG, Serpa J. A Metabolic Signature to Monitor Endothelial Cell Differentiation, Activation, and Vascular Organization. Biomedicines 2022; 10:biomedicines10092293. [PMID: 36140393 PMCID: PMC9496047 DOI: 10.3390/biomedicines10092293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 09/09/2022] [Accepted: 09/10/2022] [Indexed: 11/16/2022] Open
Abstract
The formation of new blood vessels is an important step in the morphogenesis and organization of tissues and organs; hence, the success of regenerative medicine procedures is highly dependent on angiogenesis control. Despite the biotechnological advances, tissue engineering is still a challenge. Regarding vascular network formation, the regulators are well known, yet the identification of markers is pivotal in order to improve the monitoring of the differentiation and proliferation of endothelial cells, as well as the establishment of a vascular network supporting tissue viability for an efficacious implantation. The metabolic profile accompanies the physiological stages of cells involved in angiogenesis, being a fruitful hub of biomarkers, whose levels can be easily retrieved. Through NMR spectroscopy, we identified branched amino acids, acetate, and formate as central biomarkers of monocyte-to-endothelial-cell differentiation and endothelial cell proliferation. This study reinforces the successful differentiation process of monocytes into endothelial cells, allowing self-to-self transplantation of patient-derived vascular networks, which is an important step in tissue engineering, since monocytes are easily isolated and autologous transplantation reduces the immune rejection events.
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Affiliation(s)
- Filipa Lopes-Coelho
- iNOVA4Health, NOVA Medical School|Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria, 130, 1169-056 Lisboa, Portugal
- Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Rua Prof Lima Basto, 1099-023 Lisboa, Portugal
| | - Filipa Martins
- iNOVA4Health, NOVA Medical School|Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria, 130, 1169-056 Lisboa, Portugal
- Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Rua Prof Lima Basto, 1099-023 Lisboa, Portugal
| | - Ana Hipólito
- iNOVA4Health, NOVA Medical School|Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria, 130, 1169-056 Lisboa, Portugal
- Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Rua Prof Lima Basto, 1099-023 Lisboa, Portugal
| | - Sílvia V. Conde
- iNOVA4Health, NOVA Medical School|Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria, 130, 1169-056 Lisboa, Portugal
| | - Sofia A. Pereira
- iNOVA4Health, NOVA Medical School|Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria, 130, 1169-056 Lisboa, Portugal
| | - Luís G. Gonçalves
- Instituto de Tecnologia Química e Tecnológica (ITQB) António Xavier da Universidade Nova de Lisboa, Av. da República, 2780-157 Oeiras, Portugal
| | - Jacinta Serpa
- iNOVA4Health, NOVA Medical School|Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria, 130, 1169-056 Lisboa, Portugal
- Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Rua Prof Lima Basto, 1099-023 Lisboa, Portugal
- Correspondence:
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20
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Luo X, Zou W, Wei Z, Yu S, Zhao Y, Wu Y, Wang A, Lu Y. Inducing vascular normalization: A promising strategy for immunotherapy. Int Immunopharmacol 2022; 112:109167. [PMID: 36037653 DOI: 10.1016/j.intimp.2022.109167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 08/12/2022] [Accepted: 08/12/2022] [Indexed: 11/30/2022]
Abstract
In solid tumors, the vasculature is highly abnormal in structure and function, resulting in the formation of an immunosuppressive tumor microenvironment by limiting immune cells infiltration into tumors. Vascular normalization is receiving much attention as an alternative strategy to anti-angiogenic therapy, and its potential therapeutic targets include signaling pathways, angiogenesis-related genes, and metabolic pathways. Endothelial cells play an important role in the formation of blood vessel structure and function, and their metabolic processes drive blood vessel sprouting in parallel with the control of genetic signals in cancer. The feedback loop between vascular normalization and immunotherapy has been discussed extensively in many reviews. In this review, we summarize the impact of aberrant tumor vascular structure and function on drug delivery, metastasis, and anti-tumor immune responses. In addition, we present evidences for the mutual regulation of immune vasculature. Based on the importance of endothelial metabolism in controlling angiogenesis, we elucidate the crosstalk between endothelial cells and immune cells from the perspective of metabolic pathways and propose that targeting abnormal endothelial metabolism to achieve vascular normalization can be an alternative strategy for cancer treatment, which provides a new theoretical basis for future research on the combination of vascular normalization and immunotherapy.
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Affiliation(s)
- Xin Luo
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Wei Zou
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Zhonghong Wei
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China; Jiangsu Joint International Research Laboratory of Chinese Medicine and Regenerative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China; Jiangsu Collaborative Innovation Center of Traditional Chinese Medicine (TCM) Prevention and Treatment of Tumor, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Suyun Yu
- Department of Biochemistry and Molecular Biology, School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Yang Zhao
- Department of Biochemistry and Molecular Biology, School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Yuanyuan Wu
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China; Jiangsu Joint International Research Laboratory of Chinese Medicine and Regenerative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China; Jiangsu Collaborative Innovation Center of Traditional Chinese Medicine (TCM) Prevention and Treatment of Tumor, Nanjing University of Chinese Medicine, Nanjing 210023, China.
| | - Aiyun Wang
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China; Jiangsu Joint International Research Laboratory of Chinese Medicine and Regenerative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China; Jiangsu Collaborative Innovation Center of Traditional Chinese Medicine (TCM) Prevention and Treatment of Tumor, Nanjing University of Chinese Medicine, Nanjing 210023, China.
| | - Yin Lu
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China; Jiangsu Joint International Research Laboratory of Chinese Medicine and Regenerative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China; Jiangsu Collaborative Innovation Center of Traditional Chinese Medicine (TCM) Prevention and Treatment of Tumor, Nanjing University of Chinese Medicine, Nanjing 210023, China.
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21
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Carlsen J, Henriksen HH, Marin de Mas I, Johansson PI. An explorative metabolomic analysis of the endothelium in pulmonary hypertension. Sci Rep 2022; 12:13284. [PMID: 35918401 PMCID: PMC9345936 DOI: 10.1038/s41598-022-17374-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 07/25/2022] [Indexed: 11/18/2022] Open
Abstract
Pulmonary hypertension (PH) is classified into five clinical diagnostic groups, including group 1 [idiopathic pulmonary arterial hypertension (IPAH) and connective tissue disease-associated PAH (CTD-aPAH)] and group 4 (chronic thromboembolic pulmonary hypertension (CTEPH)). PH is a progressive, life-threatening, incurable disease. The pathological mechanisms underlying PH remain elusive; recent evidence has revealed that abnormal metabolic activities in the endothelium may play a crucial role. This research introduces a novel approach for studying PH endothelial function, building on the genome-scale metabolic reconstruction of the endothelial cell (EC) to investigate intracellular metabolism. We demonstrate that the intracellular metabolic activities of ECs in PH patients cluster into four phenotypes independent of the PH diagnosis. Notably, the disease severity differs significantly between the metabolic phenotypes, suggesting their clinical relevance. The significant metabolic differences between the PH phenotypes indicate that they may require different therapeutic interventions. In addition, diagnostic capabilities enabling their identification is warranted to investigate whether this opens a novel avenue of precision medicine.
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Affiliation(s)
- J Carlsen
- Department of Cardiology, 2141 Copenhagen University Hospital, Rigshospitalet, Blegdamsvej 9, 2100, Copenhagen, Denmark. .,CAG Center for Endotheliomics, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark.
| | - H H Henriksen
- Department of Clinical Immunology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark.,CAG Center for Endotheliomics, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - I Marin de Mas
- CAG Center for Endotheliomics, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark.,Novo Nordisk Foundation Center for Biosustainability, Danish Technical University, Lyngby, Denmark
| | - P I Johansson
- Department of Clinical Immunology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark.,CAG Center for Endotheliomics, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
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22
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Zügner E, Yang HC, Kotzbeck P, Boulgaropoulos B, Sourij H, Hagvall S, Elmore CS, Esterline R, Moosmang S, Oscarsson J, Pieber TR, Peng XR, Magnes C. Differential In Vitro Effects of SGLT2 Inhibitors on Mitochondrial Oxidative Phosphorylation, Glucose Uptake and Cell Metabolism. Int J Mol Sci 2022; 23:ijms23147966. [PMID: 35887308 PMCID: PMC9319636 DOI: 10.3390/ijms23147966] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 07/07/2022] [Accepted: 07/09/2022] [Indexed: 02/04/2023] Open
Abstract
(1) The cardio-reno-metabolic benefits of the SGLT2 inhibitors canagliflozin (cana), dapagliflozin (dapa), ertugliflozin (ertu), and empagliflozin (empa) have been demonstrated, but it remains unclear whether they exert different off-target effects influencing clinical profiles. (2) We aimed to investigate the effects of SGLT2 inhibitors on mitochondrial function, cellular glucose-uptake (GU), and metabolic pathways in human-umbilical-vein endothelial cells (HUVECs). (3) At 100 µM (supra-pharmacological concentration), cana decreased ECAR by 45% and inhibited GU (IC5o: 14 µM). At 100 µM and 10 µM (pharmacological concentration), cana increased the ADP/ATP ratio, whereas dapa and ertu (3, 10 µM, about 10× the pharmacological concentration) showed no effect. Cana (100 µM) decreased the oxygen consumption rate (OCR) by 60%, while dapa decreased it by 7%, and ertu and empa (all 100 µM) had no significant effect. Cana (100 µM) inhibited GLUT1, but did not significantly affect GLUTs’ expression levels. Cana (100 µM) treatment reduced glycolysis, elevated the amino acids supplying the tricarboxylic-acid cycle, and significantly increased purine/pyrimidine-pathway metabolites, in contrast to dapa (3 µM) and ertu (10 µM). (4) The results confirmed cana´s inhibition of mitochondrial activity and GU at supra-pharmacological and pharmacological concentrations, whereas the dapa, ertu, and empa did not show effects even at supra-pharmacological concentrations. At supra-pharmacological concentrations, cana (but not dapa or ertu) affected multiple cellular pathways and inhibited GLUT1.
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Affiliation(s)
- Elmar Zügner
- Institute for Biomedicine and Health Sciences (HEALTH), Joanneum Research Forschungsgesellschaft m.b.H, Neue Stiftingtalstrasse 2, 8010 Graz, Austria; (E.Z.); (B.B.); (T.R.P.)
| | - Hsiu-Chiung Yang
- Research and Early Development, Cardiovascular, Renal and Metabolism, BioPharmaceuticals R&D, AstraZeneca, 431 83 Gothenburg, Sweden; (H.-C.Y.); (S.H.); (S.M.)
| | - Petra Kotzbeck
- Division of Endocrinology and Diabetology, Department of Internal Medicine, Medical University of Graz, Auenbruggerplatz 15, 8036 Graz, Austria; (P.K.); (H.S.)
- Cooperative Centre for Regenerative Medicine (COREMED), Joanneum Research Forschungsgesellschaft m.b.H, Neue Stiftingtalstrasse 2, 8010 Graz, Austria
- Research Unit for Tissue Regeneration, Repair and Reconstruction, Division of Plastic, Aesthetic and Reconstructive Surgery, Department of Surgery, Medical University of Graz, 8036 Graz, Austria
| | - Beate Boulgaropoulos
- Institute for Biomedicine and Health Sciences (HEALTH), Joanneum Research Forschungsgesellschaft m.b.H, Neue Stiftingtalstrasse 2, 8010 Graz, Austria; (E.Z.); (B.B.); (T.R.P.)
- Division of Endocrinology and Diabetology, Department of Internal Medicine, Medical University of Graz, Auenbruggerplatz 15, 8036 Graz, Austria; (P.K.); (H.S.)
| | - Harald Sourij
- Division of Endocrinology and Diabetology, Department of Internal Medicine, Medical University of Graz, Auenbruggerplatz 15, 8036 Graz, Austria; (P.K.); (H.S.)
| | - Sepideh Hagvall
- Research and Early Development, Cardiovascular, Renal and Metabolism, BioPharmaceuticals R&D, AstraZeneca, 431 83 Gothenburg, Sweden; (H.-C.Y.); (S.H.); (S.M.)
| | | | - Russell Esterline
- Late-Stage Development, Cardiovascular, Renal and Metabolism, BioPharmaceuticals R&D, AstraZeneca, Gaithersburg, MD 20878, USA; (R.E.); (J.O.)
| | - Sven Moosmang
- Research and Early Development, Cardiovascular, Renal and Metabolism, BioPharmaceuticals R&D, AstraZeneca, 431 83 Gothenburg, Sweden; (H.-C.Y.); (S.H.); (S.M.)
| | - Jan Oscarsson
- Late-Stage Development, Cardiovascular, Renal and Metabolism, BioPharmaceuticals R&D, AstraZeneca, Gaithersburg, MD 20878, USA; (R.E.); (J.O.)
| | - Thomas R. Pieber
- Institute for Biomedicine and Health Sciences (HEALTH), Joanneum Research Forschungsgesellschaft m.b.H, Neue Stiftingtalstrasse 2, 8010 Graz, Austria; (E.Z.); (B.B.); (T.R.P.)
- Division of Endocrinology and Diabetology, Department of Internal Medicine, Medical University of Graz, Auenbruggerplatz 15, 8036 Graz, Austria; (P.K.); (H.S.)
| | - Xiao-Rong Peng
- Research and Early Development, Cardiovascular, Renal and Metabolism, BioPharmaceuticals R&D, AstraZeneca, 431 83 Gothenburg, Sweden; (H.-C.Y.); (S.H.); (S.M.)
- Correspondence: (X.-R.P.); (C.M.)
| | - Christoph Magnes
- Institute for Biomedicine and Health Sciences (HEALTH), Joanneum Research Forschungsgesellschaft m.b.H, Neue Stiftingtalstrasse 2, 8010 Graz, Austria; (E.Z.); (B.B.); (T.R.P.)
- Correspondence: (X.-R.P.); (C.M.)
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23
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Chaudhari P, Madaan A, Rivera JC, Charfi I, Habelrih T, Hou X, Nezhady M, Lodygensky G, Pineyro G, Muanza T, Chemtob S. Neuronal GPR81 regulates developmental brain angiogenesis and promotes brain recovery after a hypoxic ischemic insult. J Cereb Blood Flow Metab 2022; 42:1294-1308. [PMID: 35107038 PMCID: PMC9207492 DOI: 10.1177/0271678x221077499] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Perinatal hypoxic/ischemic (HI) brain injury is a major clinical problem with devastating neurodevelopmental outcomes in neonates. During HI brain injury, dysregulated factor production contributes to microvascular impairment. Glycolysis-derived lactate accumulated during ischemia has been proposed to protect against ischemic injury, but its mechanism of action is poorly understood. Herein, we hypothesize that lactate via its G-protein coupled receptor (GPR81) controls postnatal brain angiogenesis and plays a protective role after HI injury. We show that GPR81 is predominantly expressed in neurons of the cerebral cortex and hippocampus. GPR81-null mice displayed a delay in cerebral microvascular development linked to reduced levels of various major angiogenic factors and augmented expression of anti-angiogenic Thrombospondin-1 (TSP-1) in comparison to their WT littermates. Coherently, lactate stimulation induced an increase in growth factors (VEGF, Ang1 and 2, PDGF) and reduced TSP-1 expression in neurons, which contributed to accelerating angiogenesis. HI injury in GPR81-null animals curtailed vascular density and consequently increased infarct size compared to changes seen in WT mice; conversely intracerebroventricular lactate injection increased vascular density and diminished infarct size in WT but not in GPR81-null mice. Collectively, we show that lactate acting via GPR81 participates in developmental brain angiogenesis, and attenuates HI injury by restoring compromised microvasculature.
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Affiliation(s)
- Prabhas Chaudhari
- Departments of Pediatrics, Ophthalmology and Pharmacology, CHU Sainte-Justine Research Center, Montréal, Canada.,Department of Experimental Medicine, McGill University, Montréal, Canada
| | - Ankush Madaan
- Departments of Pediatrics, Ophthalmology and Pharmacology, CHU Sainte-Justine Research Center, Montréal, Canada.,Department of Pharmacology, McGill University, Montréal, Canada
| | - José Carlos Rivera
- Departments of Pediatrics, Ophthalmology and Pharmacology, CHU Sainte-Justine Research Center, Montréal, Canada.,Department of Opthalmology, Université de Montréal, Montréal, Canada.,Maisonneuve-Rosemont Hospital, Research Center, Montréal, Canada
| | - Iness Charfi
- Department of Experimental Medicine, McGill University, Montréal, Canada.,Department of Pharmacology, McGill University, Montréal, Canada
| | - Tiffany Habelrih
- Departments of Pediatrics, Ophthalmology and Pharmacology, CHU Sainte-Justine Research Center, Montréal, Canada
| | - Xin Hou
- Departments of Pediatrics, Ophthalmology and Pharmacology, CHU Sainte-Justine Research Center, Montréal, Canada
| | - Mohammad Nezhady
- Departments of Pediatrics, Ophthalmology and Pharmacology, CHU Sainte-Justine Research Center, Montréal, Canada
| | - Gregory Lodygensky
- Departments of Pediatrics, Ophthalmology and Pharmacology, CHU Sainte-Justine Research Center, Montréal, Canada
| | - Graciela Pineyro
- Departments of Pediatrics, Ophthalmology and Pharmacology, CHU Sainte-Justine Research Center, Montréal, Canada.,Department of Experimental Medicine, McGill University, Montréal, Canada.,Department of Pharmacology, McGill University, Montréal, Canada
| | - Thierry Muanza
- Department of Experimental Medicine, McGill University, Montréal, Canada
| | - Sylvain Chemtob
- Departments of Pediatrics, Ophthalmology and Pharmacology, CHU Sainte-Justine Research Center, Montréal, Canada.,Department of Pharmacology, McGill University, Montréal, Canada.,Department of Opthalmology, Université de Montréal, Montréal, Canada.,Maisonneuve-Rosemont Hospital, Research Center, Montréal, Canada
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24
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Baradaran A, Asadzadeh Z, Hemmat N, Baghbanzadeh A, Shadbad MA, Khosravi N, Derakhshani A, Alemohammad H, Afrashteh Nour M, Safarpour H, Silvestris N, Brunetti O, Baradaran B. The cross-talk between tumor-associated macrophages and tumor endothelium: Recent advances in macrophage-based cancer immunotherapy. Biomed Pharmacother 2022; 146:112588. [PMID: 35062062 DOI: 10.1016/j.biopha.2021.112588] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 12/21/2021] [Accepted: 12/23/2021] [Indexed: 11/02/2022] Open
Abstract
Tumor-associated macrophages (TAMs) are among the abundant cell populations of the tumor microenvironment (TME), which have pivotal roles in tumor development, chemoresistance, immune evasion, and metastasis. Growing evidence indicates that TAMs and the cross-talk between TAMs and tumoral endothelial cells can substantially contribute to tumor angiogenesis, which is considered a vital process for cancer development. Besides, tumoral endothelial cells can regulate the leukocyte infiltration to the TME in solid cancers and contribute to immune evasion. Therefore, targeting the immunosuppressive TAMs and the cross-talk between them can be a promising strategy for improving anti-tumoral immune responses. This review aims to summarize the biology of TAMs, their recently identified roles in tumor development/angiogenesis, and recent advances in macrophage-based cancer immunotherapy approaches for treating cancers.
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Affiliation(s)
- Ali Baradaran
- Diamantina Institute, Translational Research Institute, The University of Queensland, Brisbane, QLD, Australia; Research & Development, BSD Robotics, Queensland, Australia
| | - Zahra Asadzadeh
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Nima Hemmat
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amir Baghbanzadeh
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mahdi Abdoli Shadbad
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Neda Khosravi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Afshin Derakhshani
- Experimental Pharmacology Laboratory, IRCCS Istituto Tumori "Giovanni Paolo II", Bari, Italy
| | - Hajar Alemohammad
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mina Afrashteh Nour
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hossein Safarpour
- Cellular and Molecular Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Nicola Silvestris
- Medical Oncology Unit-IRCCS IstitutoTumori "Giovanni Paolo II" of Bari, Bari, Italy; Department of Biomedical Sciences and Human Oncology DIMO-University of Bari, Bari, Italy
| | - Oronzo Brunetti
- Medical Oncology Unit-IRCCS IstitutoTumori "Giovanni Paolo II" of Bari, Bari, Italy.
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Neurosciences Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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25
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McDonald CJ, Blankenheim ZJ, Drewes LR. Brain Endothelial Cells: Metabolic Flux and Energy Metabolism. Handb Exp Pharmacol 2022; 273:59-79. [PMID: 34251530 DOI: 10.1007/164_2021_494] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The neurovascular unit (NVU) consists of multiple cell types including brain endothelial cells, pericytes, astrocytes, and neurons that function collectively to maintain homeostasis within the CNS microenvironment. As the principal barrier-forming component of the NVU, the endothelial cells perform an array of complex functions that require substantial energy resources. The principal metabolic pathways for producing ATP are glycolysis and mitochondrial oxidative phosphorylation. While previous studies have demonstrated that glycolysis is a primary pathway for most endothelial cells, details about the energy producing pathways of brain endothelial cells are not fully characterized. The contributions of glycolysis and mitochondrial respiration to energy metabolism are quantifiable using metabolic flux analysis that measures cellular oxygen consumption and acidification (proton production) in a closed microtiter plate format. ATP production rates are then calculated. The bioenergetics of the human brain microvascular endothelial cell line, hCMEC/D3, indicate that these cells exhibit relatively elevated rates of glycolytic flux and glycolytic ATP production, thus confirming their glycolytic nature even in the presence of abundant oxygen. Furthermore, energy producing pathways involving mitochondrial respiration are relatively low, although contributing significantly to total ATP production. Interestingly, the bioenergetics of the hCMEC/D3 cells are relatively similar to those of human primary brain microvascular endothelial cells (hBVECs). These findings allow a quantitative understanding of the bioenergetics of brain endothelial cells in a cultured and proliferative state and also provide a platform for comparative studies of disease states and conditions involving exposures to drugs or metabolic disruptors.
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Affiliation(s)
- Cade J McDonald
- Department of Biomedical Sciences, University of Minnesota Duluth Medical School, Duluth, MN, USA
| | - Zachery J Blankenheim
- Department of Biomedical Sciences, University of Minnesota Duluth Medical School, Duluth, MN, USA
| | - Lester R Drewes
- Department of Biomedical Sciences, University of Minnesota Duluth Medical School, Duluth, MN, USA.
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26
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van Boxtel W, Uijen MJ, Krens SD, Dijkema T, Willems SM, Jonker MA, Pegge SA, van Engen-van Grunsven AC, van Herpen CM. Excessive toxicity of cabozantinib in a phase II study in patients with recurrent and/or metastatic salivary gland cancer. Eur J Cancer 2022; 161:128-137. [DOI: 10.1016/j.ejca.2021.10.033] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 10/21/2021] [Accepted: 10/27/2021] [Indexed: 12/13/2022]
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27
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Potential Utility of Synthetic D-Lactate Polymers in Skin Cancer. JID INNOVATIONS 2021; 1:100043. [PMID: 34909738 PMCID: PMC8659406 DOI: 10.1016/j.xjidi.2021.100043] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 05/05/2021] [Accepted: 06/01/2021] [Indexed: 02/04/2023] Open
Abstract
Increased breakdown of glucose through glycolysis in both aerobic and anaerobic conditions is a hallmark feature of mammalian cancer and leads to increased production of L-lactate. The high-level lactate present within the tumor microenvironment is reused as a crucial biofuel to support rapid cancer cell proliferation, survival, and immune evasion. Inhibitors that target the glycolysis process are being developed for cancer therapy. In this study, we report an approach of using synthetic D-lactate dimers to inhibit melanoma and squamous cell carcinoma cell proliferation and survival. We also provide in vivo evidence that intratumoral injection of D-lactate dimers induced an innate immune response and inhibited subcutaneous melanoma xenograft growth in immunodeficient mice. Our findings support a potential utility of D-lactate dimers in skin cancer treatment and therefore warrant further mechanistic studies.
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28
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Lu P, Wang G, Qian T, Cai X, Zhang P, Li M, Shen Y, Xue C, Wang H. The balanced microenvironment regulated by the degradants of appropriate PLGA scaffolds and chitosan conduit promotes peripheral nerve regeneration. Mater Today Bio 2021; 12:100158. [PMID: 34841240 PMCID: PMC8605345 DOI: 10.1016/j.mtbio.2021.100158] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 11/10/2021] [Accepted: 11/13/2021] [Indexed: 12/19/2022] Open
Abstract
Tissue-engineered nerve grafts (TENGs) are the most promising way for repairing long-distance peripheral nerve defects. Chitosan and poly (lactic-co-glycolic acid) (PLGA) scaffolds are considered as the promising materials in the pharmaceutical and biomedical fields especially in the field of tissue engineering. To further clarify the effects of a chitosan conduit inserted with various quantity of poly (lactic-co-glycolic acid) (PLGA) scaffolds, and their degrades on the peripheral nerve regeneration, the chitosan nerve conduit inserted with different amounts of PLGA scaffolds were used to repair rat sciatic nerve defects. The peripheral nerve regeneration at the different time points was dynamically and comprehensively evaluated. Moreover, the influence of different amounts of PLGA scaffolds on the regeneration microenvironment including inflammatory response and cell state were also revealed. The modest abundance of PLGA is more instrumental to the success of nerve regeneration, which is demonstrated in terms of the structure of the regenerated nerve, reinnervation of the target muscle, nerve impulse conduction, and overall function. The PLGA scaffolds aid the migration and maturation of Schwann cells. Furthermore, the PLGA and chitosan degradation products in a correct ratio neutralize, reducing the inflammatory response and enhancing the regeneration microenvironment. The balanced microenvironment regulated by the degradants of appropriate PLGA scaffolds and chitosan conduit promotes peripheral nerve regeneration. The findings represent a further step towards programming TENGs construction, applying polyester materials in regenerative medicine, and understanding the neural regeneration microenvironment. Guide scaffolds are necessary for construction of TENGs to benefeat Schwann cell migration and maturation. A large number of acid degradation products of PLGA scaffolds adversely affect cell proliferation, migration and apoptosis. Appropriate amount of PLGA scaffolds balance positive cell guidance and negative degradation inflammation. Dosage of PLGA and its combination with complementary biomaterials are key factors that affect regeneration effects.
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Key Words
- ANOVA, one-way analysis of variance
- CCK8, Cell Counting Kit-8
- CMAPs, compound muscle action potentials
- DAPI, 4’ 6-diamidino-2-phenylindole
- DMEM, Dulbecco’s modified eagle medium
- FBS, fetal bovine serum
- HE, hematoxylin-eosin
- Inflammation
- NC, negative control
- NS, normal saline
- OD, optical density
- PGA, poly (glycolic acid)
- PLA, poly (lactic acid)
- PLGA
- PLGA, poly (lactic-co-glycolic acid)
- Regeneration microenvironment
- SCs, Schwann cells
- SD, Sprague-Dawley
- SD, standard deviation
- SFI, sciatic nerve function index
- Schwann cells
- TENG, tissue-engineered nerve graft
- TUNEL, terminal deoxynucleotidyl transferase-mediated dUTP-biotin nick end labeling
- α-BGT, α-bungarotoxin
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Affiliation(s)
- Panjian Lu
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, China
| | - Gang Wang
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, China
| | - Tianmei Qian
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, China
| | - Xiaodong Cai
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, China
| | - Ping Zhang
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, China
| | - Meiyuan Li
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, China
| | - Yinying Shen
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, China
| | - Chengbin Xue
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, China.,Jiangsu Clinical Medicine Center of Tissue Engineering and Nerve Injury Repair, Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong, China
| | - Hongkui Wang
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, China
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29
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Aria H, Ghaedrahmati F, Ganjalikhani-Hakemi M. Cutting edge: Metabolic immune reprogramming, reactive oxygen species, and cancer. J Cell Physiol 2021; 236:6168-6189. [PMID: 33561318 DOI: 10.1002/jcp.30303] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 01/09/2021] [Accepted: 01/19/2021] [Indexed: 02/05/2023]
Abstract
A recently proposed term "immunometabolism" points to the functional intracellular metabolic changes that occur within different immune cells. Recent findings suggest that immune responses can be determined by the metabolic status of immune cells and metabolic reprogramming is an important feature of immune cell activation. Metabolic reprogramming is also well known for cancer cells and has been suggested as a major sign of cancer progression. Metabolic reprogramming of immune cells is also seen in the tumor microenvironment. In the past decade, immunometabolism has progressively become an extraordinarily vibrant and productive area of study in immunology because of its importance for immunotherapy. Understanding the immunometabolic situation of T cells and other immune cells along with the metabolic behavior of cancer cells can help us design new therapeutic approaches against cancers. Here, we have the aim to review the cutting-edge findings on the immunometabolic situation in immune and tumor cells. We discuss new findings on signaling pathways during metabolic reprogramming, its regulation, and the participation of reactive oxygen species in these processes.
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Affiliation(s)
- Hamid Aria
- Department of Immunology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Farhoodeh Ghaedrahmati
- Department of Immunology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
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30
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Rodriguez D, Watts D, Gaete D, Sormendi S, Wielockx B. Hypoxia Pathway Proteins and Their Impact on the Blood Vasculature. Int J Mol Sci 2021; 22:ijms22179191. [PMID: 34502102 PMCID: PMC8431527 DOI: 10.3390/ijms22179191] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 08/16/2021] [Accepted: 08/21/2021] [Indexed: 12/12/2022] Open
Abstract
Every cell in the body requires oxygen for its functioning, in virtually every animal, and a tightly regulated system that balances oxygen supply and demand is therefore fundamental. The vascular network is one of the first systems to sense oxygen, and deprived oxygen (hypoxia) conditions automatically lead to a cascade of cellular signals that serve to circumvent the negative effects of hypoxia, such as angiogenesis associated with inflammation, tumor development, or vascular disorders. This vascular signaling is driven by central transcription factors, namely the hypoxia inducible factors (HIFs), which determine the expression of a growing number of genes in endothelial cells and pericytes. HIF functions are tightly regulated by oxygen sensors known as the HIF-prolyl hydroxylase domain proteins (PHDs), which are enzymes that hydroxylate HIFs for eventual proteasomal degradation. HIFs, as well as PHDs, represent attractive therapeutic targets under various pathological settings, including those involving vascular (dys)function. We focus on the characteristics and mechanisms by which vascular cells respond to hypoxia under a variety of conditions.
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31
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Muñoz‐San Martín C, Pérez‐Ginés V, Torrente‐Rodríguez RM, Gamella M, Solís‐Fernández G, Montero‐Calle A, Pedrero M, Serafín V, Martínez‐Bosch N, Navarro P, García de Frutos P, Batlle M, Barderas R, Pingarrón JM, Campuzano S. Electrochemical immunosensing of Growth arrest‐specific 6 in human plasma and tumor cell secretomes. ELECTROCHEMICAL SCIENCE ADVANCES 2021. [DOI: 10.1002/elsa.202100096] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Affiliation(s)
- Cristina Muñoz‐San Martín
- Departamento de Química Analítica, Facultad de CC. Químicas Universidad Complutense de Madrid Madrid Spain
| | - Víctor Pérez‐Ginés
- Departamento de Química Analítica, Facultad de CC. Químicas Universidad Complutense de Madrid Madrid Spain
| | | | - Maria Gamella
- Departamento de Química Analítica, Facultad de CC. Químicas Universidad Complutense de Madrid Madrid Spain
| | | | - Ana Montero‐Calle
- Chronic Disease Programme, UFIEC Carlos III Health Institute Majadahonda Madrid Spain
| | - María Pedrero
- Departamento de Química Analítica, Facultad de CC. Químicas Universidad Complutense de Madrid Madrid Spain
| | - Verónica Serafín
- Departamento de Química Analítica, Facultad de CC. Químicas Universidad Complutense de Madrid Madrid Spain
| | - Neus Martínez‐Bosch
- Cancer Research Program, Hospital del Mar Medical Research Institute (IMIM) Unidad Asociada IIBB‐CSIC Barcelona Spain
| | - Pilar Navarro
- Cancer Research Program, Hospital del Mar Medical Research Institute (IMIM) Unidad Asociada IIBB‐CSIC Barcelona Spain
- Departamento de Muerte y Proliferación Celular Instituto de Investigaciones Biomédicas de Barcelona – Centro Superior de Investigaciones Científicas (IIBB‐CSIC) Barcelona Spain
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) Barcelona Catalonia Spain
| | - Pablo García de Frutos
- Departamento de Muerte y Proliferación Celular Instituto de Investigaciones Biomédicas de Barcelona – Centro Superior de Investigaciones Científicas (IIBB‐CSIC) Barcelona Spain
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) Barcelona Catalonia Spain
| | - Montserrat Batlle
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) Barcelona Catalonia Spain
- Centro de Investigación Biomédica en Red de Enfermedades CardioVasculares (CIBERCV) Instituto de Carlos III Madrid Spain
| | - Rodrigo Barderas
- Chronic Disease Programme, UFIEC Carlos III Health Institute Majadahonda Madrid Spain
| | - José M. Pingarrón
- Departamento de Química Analítica, Facultad de CC. Químicas Universidad Complutense de Madrid Madrid Spain
| | - Susana Campuzano
- Departamento de Química Analítica, Facultad de CC. Químicas Universidad Complutense de Madrid Madrid Spain
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32
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Mehta AK, Kadel S, Townsend MG, Oliwa M, Guerriero JL. Macrophage Biology and Mechanisms of Immune Suppression in Breast Cancer. Front Immunol 2021; 12:643771. [PMID: 33968034 PMCID: PMC8102870 DOI: 10.3389/fimmu.2021.643771] [Citation(s) in RCA: 77] [Impact Index Per Article: 25.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 02/17/2021] [Indexed: 12/14/2022] Open
Abstract
Macrophages are crucial innate immune cells that maintain tissue homeostasis and defend against pathogens; however, their infiltration into tumors has been associated with adverse outcomes. Tumor-associated macrophages (TAMs) represent a significant component of the inflammatory infiltrate in breast tumors, and extensive infiltration of TAMs has been linked to poor prognosis in breast cancer. Here, we detail how TAMs impede a productive tumor immunity cycle by limiting antigen presentation and reducing activation of cytotoxic T lymphocytes (CTLs) while simultaneously supporting tumor cell survival, angiogenesis, and metastasis. There is an urgent need to overcome TAM-mediated immune suppression for durable anti-tumor immunity in breast cancer. To date, failure to fully characterize TAM biology and classify multiple subsets has hindered advancement in therapeutic targeting. In this regard, the complexity of TAMs has recently taken center stage owing to their subset diversity and tightly regulated molecular and metabolic phenotypes. In this review, we reveal major gaps in our knowledge of the functional and phenotypic characterization of TAM subsets associated with breast cancer, before and after treatment. Future work to characterize TAM subsets, location, and crosstalk with neighboring cells will be critical to counteract TAM pro-tumor functions and to identify novel TAM-modulating strategies and combinations that are likely to enhance current therapies and overcome chemo- and immuno-therapy resistance.
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Affiliation(s)
- Anita K Mehta
- Breast Tumor Immunology Laboratory, Dana-Farber Cancer Institute, Boston, MA, United States.,Division of Breast Surgery, Department of Surgery, Brigham and Women's Hospital, Boston, MA, United States
| | - Sapana Kadel
- Breast Tumor Immunology Laboratory, Dana-Farber Cancer Institute, Boston, MA, United States
| | - Madeline G Townsend
- Breast Tumor Immunology Laboratory, Dana-Farber Cancer Institute, Boston, MA, United States.,Division of Breast Surgery, Department of Surgery, Brigham and Women's Hospital, Boston, MA, United States
| | - Madisson Oliwa
- Breast Tumor Immunology Laboratory, Dana-Farber Cancer Institute, Boston, MA, United States.,Division of Breast Surgery, Department of Surgery, Brigham and Women's Hospital, Boston, MA, United States
| | - Jennifer L Guerriero
- Breast Tumor Immunology Laboratory, Dana-Farber Cancer Institute, Boston, MA, United States.,Division of Breast Surgery, Department of Surgery, Brigham and Women's Hospital, Boston, MA, United States
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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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34
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Pötzsch A, Zocher S, Bernas SN, Leiter O, Rünker AE, Kempermann G. L-lactate exerts a pro-proliferative effect on adult hippocampal precursor cells in vitro. iScience 2021; 24:102126. [PMID: 33659884 PMCID: PMC7895751 DOI: 10.1016/j.isci.2021.102126] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 06/05/2020] [Accepted: 01/27/2021] [Indexed: 12/20/2022] Open
Abstract
L-lactate has energetic and signaling properties, and its availability is modulated by activity-dependent stimuli, which also regulate adult hippocampal neurogenesis. Studying the effects of L-lactate on neural precursor cells (NPCs) in vitro, we found that L-lactate is pro-proliferative and that this effect is dependent on the active lactate transport by monocarboxylate transporters. Increased proliferation was not linked to amplified mitochondrial respiration. Instead, L-lactate deviated glucose metabolism to the pentose phosphate pathway, indicated by increased glucose-6-phosphate dehydrogenase activity while glycolysis decreased. Knockout of Hcar1 revealed that the pro-proliferative effect of L-lactate was not dependent on receptor activity although phosphorylation of ERK1/2 and Akt was increased following L-lactate treatment. Together, we show that availability of L-lactate is linked to the proliferative potential of NPCs and add evidence to the hypothesis that lactate influences cellular homeostatic processes in the adult brain, specifically in the context of adult hippocampal neurogenesis. L-lactate increases NPC proliferation in an MCT-dependent manner The pro-proliferative effect of L-lactate is independent of HCAR1 signaling L-lactate decreases glycolysis in favor of pentose phosphate pathway activity L-lactate treatment leads to a transient increase in Akt and ERK1/2 phosphorylation
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Affiliation(s)
- Alexandra Pötzsch
- German Center for Neurodegenerative Diseases (DZNE) Dresden, Dresden, Germany.,CRTD - Center for Regenerative Therapies Dresden, Technische Universität Dresden, Dresden, Germany
| | - Sara Zocher
- German Center for Neurodegenerative Diseases (DZNE) Dresden, Dresden, Germany.,CRTD - Center for Regenerative Therapies Dresden, Technische Universität Dresden, Dresden, Germany
| | - Stefanie N Bernas
- German Center for Neurodegenerative Diseases (DZNE) Dresden, Dresden, Germany.,CRTD - Center for Regenerative Therapies Dresden, Technische Universität Dresden, Dresden, Germany
| | - Odette Leiter
- CRTD - Center for Regenerative Therapies Dresden, Technische Universität Dresden, Dresden, Germany
| | - Annette E Rünker
- German Center for Neurodegenerative Diseases (DZNE) Dresden, Dresden, Germany.,CRTD - Center for Regenerative Therapies Dresden, Technische Universität Dresden, Dresden, Germany
| | - Gerd Kempermann
- German Center for Neurodegenerative Diseases (DZNE) Dresden, Dresden, Germany.,CRTD - Center for Regenerative Therapies Dresden, Technische Universität Dresden, Dresden, Germany
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35
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TGF-β in Cancer: Metabolic Driver of the Tolerogenic Crosstalk in the Tumor Microenvironment. Cancers (Basel) 2021; 13:cancers13030401. [PMID: 33499083 PMCID: PMC7865468 DOI: 10.3390/cancers13030401] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 01/18/2021] [Accepted: 01/20/2021] [Indexed: 02/06/2023] Open
Abstract
Overcoming tumor immunosuppression still represents one ambitious achievement for cancer immunotherapy. Of note, the cytokine TGF-β contributes to immune evasion in multiple cancer types, by feeding the establishment of a tolerogenic environment in the host. Indeed, it fosters the expansion and accumulation of immunosuppressive regulatory cell populations within the tumor microenvironment (TME), where it also activates resident stromal cells and enhances angiogenesis programs. More recently, TGF-β has also turned out as a key metabolic adjuster in tumors orchestrating metabolic pathways in the TME. In this review, we will scrutinize TGF-β-mediated immune and stromal cell crosstalk within the TME, with a primary focus on metabolic programs.
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36
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Jiang H, Zou Y, Zhao J, Li X, Yang S, Zhou X, Mou D, Zhong W, Cai Y. Pyruvate Kinase M2 Mediates Glycolysis in the Lymphatic Endothelial Cells and Promotes the Progression of Lymphatic Malformations. THE AMERICAN JOURNAL OF PATHOLOGY 2020; 191:204-215. [PMID: 33130045 DOI: 10.1016/j.ajpath.2020.10.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 09/09/2020] [Accepted: 10/06/2020] [Indexed: 12/22/2022]
Abstract
Metabolism plays a pivotal role in the formation of the lymphatic vasculature. Pyruvate kinase M2 (PKM2) is typically a metabolic marker of proliferating cells and maintains the growth of vascular endothelial cells. In this study, the potential status of PKM2 in lymphatic endothelial cells and the pathogenesis of lymphatic malformations (LMs) was investigated. The glycolysis index, including glucose uptake, ATP, and lactate production, stayed at a relatively high level in human dermal lymphatic endothelial cells (HDLECs) compared with human umbilical vein endothelial cells, whereas the inhibition of PKM2 by shikonin or PKM2 knockdown significantly suppressed glycolysis, migration, tubular formation, and invasion of HDLECs. Moreover, compared with lymphatic vessels in healthy skin, lymphatic vessels of LMs expressed PKM2 highly, and this expression correlated with infection of LMs. Meanwhile, the overexpression of PKM2 in HDLECs strengthened the proliferation, migration, tubular formation, and invasion of HDLECs. The findings from further experiments in a rat LM model support that targeting PKM2 by shikonin significantly impedes the progression of LMs, even in an infected LM rat model. Taken together, these results indicate that PKM2 plays a pivotal role in the activation of LECs and promotes the progression of LMs, whereas the inhibition of PKM2 can effectively suppress the pathogenesis of LM lesions in the rat model.
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Affiliation(s)
- Hao Jiang
- State Key Laboratory Breeding Base of Basic Science of Stomatology (HUbei-MOST) & Key Laboratory of Oral Biomedicine, Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China; Department of Oral & Maxillofacial Surgery, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Yanping Zou
- State Key Laboratory Breeding Base of Basic Science of Stomatology (HUbei-MOST) & Key Laboratory of Oral Biomedicine, Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China; Department of Oral & Maxillofacial Surgery, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Jihong Zhao
- State Key Laboratory Breeding Base of Basic Science of Stomatology (HUbei-MOST) & Key Laboratory of Oral Biomedicine, Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China; Department of Oral & Maxillofacial Surgery, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Xuecong Li
- State Key Laboratory Breeding Base of Basic Science of Stomatology (HUbei-MOST) & Key Laboratory of Oral Biomedicine, Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China; Department of Oral & Maxillofacial Surgery, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Shaodong Yang
- Department of Pathology, School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | | | | | - Wenqun Zhong
- State Key Laboratory Breeding Base of Basic Science of Stomatology (HUbei-MOST) & Key Laboratory of Oral Biomedicine, Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China; Department of Oral & Maxillofacial Surgery, School & Hospital of Stomatology, Wuhan University, Wuhan, China.
| | - Yu Cai
- State Key Laboratory Breeding Base of Basic Science of Stomatology (HUbei-MOST) & Key Laboratory of Oral Biomedicine, Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China; Department of Oral & Maxillofacial Surgery, School & Hospital of Stomatology, Wuhan University, Wuhan, China.
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37
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Bonacina F, Da Dalt L, Catapano AL, Norata GD. Metabolic adaptations of cells at the vascular-immune interface during atherosclerosis. Mol Aspects Med 2020; 77:100918. [PMID: 33032828 PMCID: PMC7534736 DOI: 10.1016/j.mam.2020.100918] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 09/28/2020] [Accepted: 09/28/2020] [Indexed: 12/20/2022]
Abstract
Metabolic reprogramming is a physiological cellular adaptation to intracellular and extracellular stimuli that couples to cell polarization and function in multiple cellular subsets. Pathological conditions associated to nutrients overload, such as dyslipidaemia, may disturb cellular metabolic homeostasis and, in turn, affect cellular response and activation, thus contributing to disease progression. At the vascular/immune interface, the site of atherosclerotic plaque development, many of these changes occur. Here, an intimate interaction between endothelial cells (ECs), vascular smooth muscle cells (VSMCs) and immune cells, mainly monocytes/macrophages and lymphocytes, dictates physiological versus pathological response. Furthermore, atherogenic stimuli trigger metabolic adaptations both at systemic and cellular level that affect the EC layer barrier integrity, VSMC proliferation and migration, monocyte infiltration, macrophage polarization, lymphocyte T and B activation. Rewiring cellular metabolism by repurposing “metabolic drugs” might represent a pharmacological approach to modulate cell activation at the vascular immune interface thus contributing to control the immunometabolic response in the context of cardiovascular diseases.
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Affiliation(s)
- F Bonacina
- Department of Excellence of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Milan, Italy.
| | - L Da Dalt
- Department of Excellence of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Milan, Italy.
| | - A L Catapano
- Department of Excellence of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Milan, Italy; IRCSS Multimedica, Milan, Italy.
| | - G D Norata
- Department of Excellence of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Milan, Italy; IRCCS, Ospedale Bassini, Cinisello Balsamo, Italy.
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38
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Afroundeh R, Saleh V, Siahkouhian M, Asadi A. THE EFFECT OF AN 8-WEEK ANAEROBIC GYMNASTICS TRAINING ON BDNF, VEGF, AND SOME PHYSIOLOGICAL CHARACTERISTICS IN CHILDREN. SCIENCE OF GYMNASTICS JOURNAL 2020. [DOI: 10.52165/sgj.12.3.381-394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
The purpose of the present study was to observe changes in levels of brain-derived neurotrophic factor (BDNF), vascular endothelial growth factor (VEGF), resting metabolic rate (RMR) and maximum oxygen consumption (VO2max) in the gymnast children after an anaerobic gymnastics training program. Thirty beginner gymnasts aged 8-12 years old were randomly assigned to control (n = 15) and experimental (n = 15) groups. The anaerobic gymnastics training was conducted for 8 weeks, 3 times per a week. Each session lasted 45 minutes: 10 min warm-up, 30 min core exercise, and 5 min cool down. The anthropometric and body composition of subjects were measured and growth factors were measured by using human BDNF and VEGF PicoKine™ ELISA Kit and analysis was performed using sandwich enzyme-linked immunosorbent assay (Morland et al.) before and after the intervention, and VO2max, maximum heart rate and RMR were measured using a gas analyzer. At the baseline there were not any significant differences between both groups (p>0.05). But in the post-test, a significant difference was observed for BDNF(p=0.02) and VEGF(p=0.018) values between the two groups. Within-group there was a decrease in the value of the maximum heart rate indicator (P<0.05) and VO2max and BDNF increased significantly after an intervention (P<0.05). In conclusion, the results of the present study suggest that anaerobic gymnastic training increases the level of salivary BDNF and VEGF in children. These types of exercises may also improve cardiorespiratory fitness in children.
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39
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Fuller OK, Whitham M, Mathivanan S, Febbraio MA. The Protective Effect of Exercise in Neurodegenerative Diseases: The Potential Role of Extracellular Vesicles. Cells 2020; 9:cells9102182. [PMID: 32998245 PMCID: PMC7599526 DOI: 10.3390/cells9102182] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 09/18/2020] [Accepted: 09/23/2020] [Indexed: 02/07/2023] Open
Abstract
Physical activity has systemic effects on the body, affecting almost every organ. It is important not only for general health and wellbeing, but also in the prevention of diseases. The mechanisms behind the therapeutic effects of physical activity are not completely understood; however, studies indicate these benefits are not confined to simply managing energy balance and body weight. They also include systemic factors which are released into the circulation during exercise and which appear to underlie the myriad of benefits exercise can elicit. It was shown that along with a number of classical cytokines, active tissues also engage in inter-tissue communication via extracellular vesicles (EVs), specifically exosomes and other small EVs, which are able to deliver biomolecules to cells and alter their metabolism. Thus, EVs may play a role in the acute and systemic adaptations that take place during and after physical activity, and may be therapeutically useful in the treatment of a range of diseases, including metabolic disorders such as type 2 diabetes and obesity; and the focus of this review, neurological disorders such as Alzheimer's disease.
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Affiliation(s)
- Oliver K Fuller
- Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne, VIC 3052, Australia;
| | - Martin Whitham
- College of Life and Environmental Sciences, University of Birmingham, Edgbaston B15 2TT, UK;
| | - Suresh Mathivanan
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, VIC 3083, Australia;
| | - Mark A Febbraio
- Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne, VIC 3052, Australia;
- Correspondence:
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40
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Tutusaus A, Marí M, Ortiz-Pérez JT, Nicolaes GAF, Morales A, García de Frutos P. Role of Vitamin K-Dependent Factors Protein S and GAS6 and TAM Receptors in SARS-CoV-2 Infection and COVID-19-Associated Immunothrombosis. Cells 2020; 9:E2186. [PMID: 32998369 PMCID: PMC7601762 DOI: 10.3390/cells9102186] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 09/25/2020] [Accepted: 09/26/2020] [Indexed: 02/07/2023] Open
Abstract
The vitamin K-dependent factors protein S (PROS1) and growth-arrest-specific gene 6 (GAS6) and their tyrosine kinase receptors TYRO3, AXL, and MERTK, the TAM subfamily of receptor tyrosine kinases (RTK), are key regulators of inflammation and vascular response to damage. TAM signaling, which has largely studied in the immune system and in cancer, has been involved in coagulation-related pathologies. Because of these established biological functions, the GAS6-PROS1/TAM system is postulated to play an important role in SARS-CoV-2 infection and progression complications. The participation of the TAM system in vascular function and pathology has been previously reported. However, in the context of COVID-19, the role of TAMs could provide new clues in virus-host interplay with important consequences in the way that we understand this pathology. From the viral mimicry used by SARS-CoV-2 to infect cells, to the immunothrombosis that is associated with respiratory failure in COVID-19 patients, TAM signaling seems to be involved at different stages of the disease. TAM targeting is becoming an interesting biomedical strategy, which is useful for COVID-19 treatment now, but also for other viral and inflammatory diseases in the future.
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Affiliation(s)
- Anna Tutusaus
- Department of Cell Death and Proliferation, IIBB-CSIC, IDIBAPS, 08036 Barcelona, Spain; (A.T.); (M.M.)
| | - Montserrat Marí
- Department of Cell Death and Proliferation, IIBB-CSIC, IDIBAPS, 08036 Barcelona, Spain; (A.T.); (M.M.)
| | - José T. Ortiz-Pérez
- Clinic Cardiovascular Institute, Hospital Clinic Barcelona, 08036 Barcelona, Spain;
- Centro de Investigación Biomédica en Red sobre Enfermedades Cardiovasculares (CIBERCV), 28029 Madrid, Spain
| | - Gerry A. F. Nicolaes
- Department of Biochemistry, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, 6200 MD Maastricht, The Netherlands;
| | - Albert Morales
- Department of Cell Death and Proliferation, IIBB-CSIC, IDIBAPS, 08036 Barcelona, Spain; (A.T.); (M.M.)
- Barcelona Clinic Liver Cancer (BCLC) Group, Liver Unit, Hospital Clínic, CIBEREHD, 08036 Barcelona, Spain
| | - Pablo García de Frutos
- Department of Cell Death and Proliferation, IIBB-CSIC, IDIBAPS, 08036 Barcelona, Spain; (A.T.); (M.M.)
- Centro de Investigación Biomédica en Red sobre Enfermedades Cardiovasculares (CIBERCV), 28029 Madrid, Spain
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41
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Bosseboeuf E, Raimondi C. Signalling, Metabolic Pathways and Iron Homeostasis in Endothelial Cells in Health, Atherosclerosis and Alzheimer's Disease. Cells 2020; 9:cells9092055. [PMID: 32911833 PMCID: PMC7564205 DOI: 10.3390/cells9092055] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 09/04/2020] [Accepted: 09/04/2020] [Indexed: 02/06/2023] Open
Abstract
Endothelial cells drive the formation of new blood vessels in physiological and pathological contexts such as embryonic development, wound healing, cancer and ocular diseases. Once formed, all vessels of the vasculature system present an endothelial monolayer (the endothelium), lining the luminal wall of the vessels, that regulates gas and nutrient exchange between the circulating blood and tissues, contributing to maintaining tissue and vascular homeostasis. To perform their functions, endothelial cells integrate signalling pathways promoted by growth factors, cytokines, extracellular matrix components and signals from mechanosensory complexes sensing the blood flow. New evidence shows that endothelial cells rely on specific metabolic pathways for distinct cellular functions and that the integration of signalling and metabolic pathways regulates endothelial-dependent processes such as angiogenesis and vascular homeostasis. In this review, we provide an overview of endothelial functions and the recent advances in understanding the role of endothelial signalling and metabolism in physiological processes such as angiogenesis and vascular homeostasis and vascular diseases. Also, we focus on the signalling pathways promoted by the transmembrane protein Neuropilin-1 (NRP1) in endothelial cells, its recently discovered role in regulating mitochondrial function and iron homeostasis and the role of mitochondrial dysfunction and iron in atherosclerosis and neurodegenerative diseases.
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Crezee T, Rabold K, de Jong L, Jaeger M, Netea-Maier RT. Metabolic programming of tumor associated macrophages in the context of cancer treatment. ANNALS OF TRANSLATIONAL MEDICINE 2020; 8:1028. [PMID: 32953828 PMCID: PMC7475452 DOI: 10.21037/atm-20-1114] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Tumor associated macrophages (TAMs) are important components of the tumor microenvironment (TME). They are characterized by a remarkable functional plasticity, thereby mostly promoting cancer progression. Changes in immune cell metabolism are paramount for this functional adaptation. Here, we review the functional consequences of the metabolic programming of TAMs and the influence of local and systemic targeted therapies on the metabolic characteristics of the TME that shape the functional phenotype of the TAMs. Understanding these metabolic changes within the context of the cross-talk between the different components of the TME including the TAMs and the tumor cells is an essential step that can pave the way towards identifications of ways to improve responses to different treatments, to overcome resistance to treatments, tumor progression and reduce treatment-specific toxicity.
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Affiliation(s)
- Thomas Crezee
- Department of Pathology, Radboud University Medical Center and Radboud Institute for Molecular Life Sciences, Nijmegen, The Netherlands
| | - Katrin Rabold
- Department of Internal Medicine, Radboud University Medical Center, Nijmegen, The Netherlands.,Radiotherapy and OncoImmunology Laboratory, Department of Radiation Oncology, Radboud University Medical Center, Nijmegen, The Netherlands.,Radboud Institute for Molecular Life Sciences (RIMLS), Radboud University Nijmegen Medical Center, Geert Grooteplein Zuid 28, 6525 GA Nijmegen, The Netherlands
| | - Lisanne de Jong
- Department of Internal Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Martin Jaeger
- Department of Internal Medicine, Radboud University Medical Center, Nijmegen, The Netherlands.,Radboud Institute for Molecular Life Sciences (RIMLS), Radboud University Nijmegen Medical Center, Geert Grooteplein Zuid 28, 6525 GA Nijmegen, The Netherlands.,Department of Internal Medicine, Division of Endocrinology, Radboud University Medical Center, Geert Grooteplein Zuid 8, 6525 GA, Nijmegen, The Netherlands
| | - Romana T Netea-Maier
- Department of Internal Medicine, Division of Endocrinology, Radboud University Medical Center, Geert Grooteplein Zuid 8, 6525 GA, Nijmegen, The Netherlands
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Miranda-Galvis M, Teng Y. Targeting Hypoxia-Driven Metabolic Reprogramming to Constrain Tumor Progression and Metastasis. Int J Mol Sci 2020; 21:ijms21155487. [PMID: 32751958 PMCID: PMC7432774 DOI: 10.3390/ijms21155487] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 07/24/2020] [Accepted: 07/30/2020] [Indexed: 02/07/2023] Open
Abstract
Hypoxia in locally advanced solid tumors develops due to uncontrollable cell proliferation, altered metabolism, and the severe structural and functional abnormality of the tumor vasculature, leading to an imbalance between oxygen supply and consumption in the fast-growing tumors and negative impact on the therapeutic outcome. Several hypoxia-responsive molecular determinants, such as hypoxia-inducible factors, guide the cellular adaptation to hypoxia by gene activation, which is critical for promoting malignant progression in the hostile tumor microenvironment. Over time, a large body of evidence exists to suggest that tumor hypoxia also influences the tumor metabolic reprogramming, resulting in neoangiogenesis, metastasis, and immune evasion. In this respect, our review aims to understand the biological processes, key events, and consequences regarding the hypoxia-driven metabolic adaptation of tumor cells. We also assess the potential therapeutic impact of hypoxia and highlight our review by discussing possible therapeutic strategies targeting hypoxia, which would advance the current understanding of hypoxia-associated tumor propagation and malignant progression and improve the management of tumor hypoxia.
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Affiliation(s)
- Marisol Miranda-Galvis
- Department of Oral Biology and Diagnostic Sciences, Dental College of Georgia, Augusta University, Augusta, GA 30912, USA;
| | - Yong Teng
- Department of Oral Biology and Diagnostic Sciences, Dental College of Georgia, Augusta University, Augusta, GA 30912, USA;
- Georgia Cancer Center, Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
- Department of Medical Laboratory, Imaging and Radiologic Sciences, College of Allied Health, Augusta University, Augusta, GA 30912, USA
- Correspondence: ; Tel.: +1-70-6446-5611; Fax: +1-70-6721-9415
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Role of Tumor-Associated Myeloid Cells in Breast Cancer. Cells 2020; 9:cells9081785. [PMID: 32726950 PMCID: PMC7464644 DOI: 10.3390/cells9081785] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 07/24/2020] [Accepted: 07/24/2020] [Indexed: 12/13/2022] Open
Abstract
Stromal immune cells constitute the tumor microenvironment. These immune cell subsets include myeloid cells, the so-called tumor-associated myeloid cells (TAMCs), which are of two types: tumor-associated macrophages (TAMs) and myeloid-derived suppressor cells (MDSCs). Breast tumors, particularly those in human epidermal growth factor receptor 2 (HER-2)-positive breast cancer and triple-negative breast cancer, are solid tumors containing immune cell stroma. TAMCs drive breast cancer progression via immune mediated, nonimmune-mediated, and metabolic interactions, thus serving as a potential therapeutic target for breast cancer. TAMC-associated breast cancer treatment approaches potentially involve the inhibition of TAM recruitment, modulation of TAM polarization/differentiation, reduction of TAM products, elimination of MDSCs, and reduction of MDSC products. Furthermore, TAMCs can enhance or restore immune responses during cancer immunotherapy. This review describes the role of TAMs and MDSCs in breast cancer and elucidates the clinical implications of TAMs and MDSCs as potential targets for breast cancer treatment.
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45
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Gas6/Axl Signaling Pathway in the Tumor Immune Microenvironment. Cancers (Basel) 2020; 12:cancers12071850. [PMID: 32660000 PMCID: PMC7408754 DOI: 10.3390/cancers12071850] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 07/04/2020] [Accepted: 07/06/2020] [Indexed: 01/19/2023] Open
Abstract
Receptor tyrosine kinases have been shown to dysregulate a number of pathways associated with tumor development, progression, and metastasis. Axl is a receptor tyrosine kinase expressed in many cancer types and has been associated with therapy resistance and poor clinical prognosis and outcomes. In addition, Axl and its ligand growth arrest specific 6 (Gas6) protein are expressed by a number of host cells. The Gas6/Axl signaling pathway has been implicated in the promotion of tumor cell proliferation, survival, migration, invasion, angiogenesis, and immune evasion. As a result, Axl is an attractive, novel therapeutic target to impair multiple stages of tumor progression from both neoplastic and host cell axes. This review focuses on the role of the Gas6/Axl signaling pathway in promoting the immunosuppressive tumor microenvironment, as immune evasion is considered one of the hallmarks of cancer. The review discusses the structure and activation of the Gas6/Axl signaling pathway, GAS6 and AXL expression patterns in the tumor microenvironment, mechanisms of Axl-mediated tumor immune response, and the role of Gas6/Axl signaling in immune cell recruitment.
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46
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Ocaña MC, Martínez-Poveda B, Marí-Beffa M, Quesada AR, Medina MÁ. Fasentin diminishes endothelial cell proliferation, differentiation and invasion in a glucose metabolism-independent manner. Sci Rep 2020; 10:6132. [PMID: 32273578 PMCID: PMC7145862 DOI: 10.1038/s41598-020-63232-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Accepted: 03/27/2020] [Indexed: 12/19/2022] Open
Abstract
The synthetic compound fasentin has been described as a modulator of GLUT-1 and GLUT-4 transporters, thus inhibiting glucose uptake in some cancer cells. Endothelial glucose metabolism has been recently connected to angiogenesis and it is now an emerging topic in scientific research. Indeed, certain compounds with a known effect on glucose metabolism have also been shown to inhibit angiogenesis. In this work we tested the capability of fasentin to modulate angiogenesis in vitro and in vivo. We show that fasentin inhibited tube formation in endothelial cells by a mechanism that involves a negative effect on endothelial cell proliferation and invasion, without affecting other steps related to the angiogenic process. However, fasentin barely decreased glucose uptake in human dermal microvascular endothelial cells and the GLUT-1 inhibitor STF-31 failed to inhibit tube formation in these cells. Therefore, this modulatory capacity on endothelial cells function exerted by fasentin is most likely independent of a modulation of glucose metabolism. Taken together, our results show a novel biological activity of fasentin, which could be evaluated for its utility in cancer and other angiogenesis-dependent diseases.
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Affiliation(s)
- Mª Carmen Ocaña
- Universidad de Málaga, Andalucía Tech, Departamento de Biología Molecular y Bioquímica, Facultad de Ciencias, E-29071, Málaga, Spain
- IBIMA (Biomedical Research Institute of Málaga), E-29071, Málaga, Spain
| | - Beatriz Martínez-Poveda
- Universidad de Málaga, Andalucía Tech, Departamento de Biología Molecular y Bioquímica, Facultad de Ciencias, E-29071, Málaga, Spain
- IBIMA (Biomedical Research Institute of Málaga), E-29071, Málaga, Spain
| | - Manuel Marí-Beffa
- Universidad de Málaga, Andalucía Tech, Departamento de Biología Celular, Genética y Fisiología, Facultad de Ciencias, E-29071, Málaga, Spain
| | - Ana R Quesada
- Universidad de Málaga, Andalucía Tech, Departamento de Biología Molecular y Bioquímica, Facultad de Ciencias, E-29071, Málaga, Spain
- IBIMA (Biomedical Research Institute of Málaga), E-29071, Málaga, Spain
- CIBER de Enfermedades Raras (CIBERER), E-29071, Málaga, Spain
| | - Miguel Ángel Medina
- Universidad de Málaga, Andalucía Tech, Departamento de Biología Molecular y Bioquímica, Facultad de Ciencias, E-29071, Málaga, Spain.
- IBIMA (Biomedical Research Institute of Málaga), E-29071, Málaga, Spain.
- CIBER de Enfermedades Raras (CIBERER), E-29071, Málaga, Spain.
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Abstract
Experiments in culture systems where one cell type is provided with abundant nutrients and oxygen have been used to inform much of our understanding of cancer metabolism. However, many differences have been observed between the metabolism of tumors and the metabolism of cancer cells grown in monoculture. These differences reflect, at least in part, the presence of nonmalignant cells in the tumor microenvironment and the interactions between those cells and cancer cells. However, less is known about how the metabolism of various tumor stromal cell types differs from that of cancer cells, and how this difference might inform therapeutic targeting of metabolic pathways. Emerging data have identified both cooperative and competitive relationships between different cell types in a tumor, and this review examines how four abundant stromal cell types in the tumor microenvironment, fibroblasts, T cells, macrophages, and endothelial cells, contribute to the metabolism of tumors.
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Affiliation(s)
- Allison N. Lau
- Koch Institute for Integrative Cancer Research and Department of Biology, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA;,
| | - Matthew G. Vander Heiden
- Koch Institute for Integrative Cancer Research and Department of Biology, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA;,
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA
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48
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Lopes-Coelho F, Martins F, Serpa J. Endothelial Cells (ECs) Metabolism: A Valuable Piece to Disentangle Cancer Biology. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1219:143-159. [PMID: 32130698 DOI: 10.1007/978-3-030-34025-4_8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Effective therapies to fight cancer should not be focused specifically on cancer cells, but it should consider the various components of the TME. Non-cancerous cells cooperate with cancer cells by sharing signaling and organic molecules, accounting for cancer progression. Most of the anti-angiogenic therapy clinically approved for the treatment of human diseases relies on targeting vascular endothelial growth factor (VEGF) signaling pathway. Unexpectedly and unfortunately, the results of anti-angiogenic therapies in the treatment of human diseases are not so effective, showing an insufficient efficacy and resistance.This chapter will give some insights on showing that targeting endothelial cell metabolism is a missing piece to revolutionize cancer therapy. Only recently endothelial cell (EC) metabolism has been granted as an important inducer of angiogenesis. Metabolic studies in EC demonstrated that targeting EC metabolism can be an alternative to overcome the failure of anti-angiogenic therapies. Hence, it is urgent to increase the knowledge on how ECs alter their metabolism during human diseases, in order to open new therapeutic perspectives in the treatment of pathophysiological angiogenesis, as in cancer.
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Affiliation(s)
- Filipa Lopes-Coelho
- CEDOC, Chronic Diseases Research Centre, NOVA Medical School | Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Lisbon, Portugal
- Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Lisbon, Portugal
| | - Filipa Martins
- CEDOC, Chronic Diseases Research Centre, NOVA Medical School | Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Lisbon, Portugal
- Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Lisbon, Portugal
| | - Jacinta Serpa
- CEDOC, Chronic Diseases Research Centre, NOVA Medical School | Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Lisbon, Portugal.
- Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Lisbon, Portugal.
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49
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Li Y, Wittchen ES, Monaghan-Benson E, Hahn C, Earp HS, Doerschuk CM, Burridge K. The role of endothelial MERTK during the inflammatory response in lungs. PLoS One 2019; 14:e0225051. [PMID: 31805065 PMCID: PMC6894824 DOI: 10.1371/journal.pone.0225051] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Accepted: 10/28/2019] [Indexed: 12/20/2022] Open
Abstract
As a key homeostasis regulator in mammals, the MERTK receptor tyrosine kinase is crucial for efferocytosis, a process that requires remodeling of the cell membrane and adjacent actin cytoskeleton. Membrane and cytoskeletal reorganization also occur in endothelial cells during inflammation, particularly during neutrophil transendothelial migration (TEM) and during changes in permeability. However, MERTK’s function in endothelial cells remains unclear. This study evaluated the contribution of endothelial MERTK to neutrophil TEM and endothelial barrier function. In vitro experiments using primary human pulmonary microvascular endothelial cells found that neutrophil TEM across the endothelial monolayers was enhanced when MERTK expression in endothelial cells was reduced by siRNA knockdown. Examination of endothelial barrier function revealed increased passage of dextran across the MERTK-depleted monolayers, suggesting that MERTK helps maintain endothelial barrier function. MERTK knockdown also altered adherens junction structure, decreased junction protein levels, and reduced basal Rac1 activity in endothelial cells, providing potential mechanisms of how MERTK regulates endothelial barrier function. To study MERTK’s function in vivo, inflammation in the lungs of global Mertk-/- mice was examined during acute pneumonia. In response to P. aeruginosa, more neutrophils were recruited to the lungs of Mertk-/- than wildtype mice. Vascular leakage of Evans blue dye into the lung tissue was also greater in Mertk-/- mice. To analyze endothelial MERTK’s involvement in these processes, we generated inducible endothelial cell-specific (iEC) Mertk-/- mice. When similarly challenged with P. aeruginosa, iEC Mertk-/- mice demonstrated no difference in neutrophil TEM into the inflamed lungs or in vascular permeability compared to control mice. These results suggest that deletion of MERTK in human pulmonary microvascular endothelial cells in vitro and in all cells in vivo aggravates the inflammatory response. However, selective MERTK deletion in endothelial cells in vivo failed to replicate this response.
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Affiliation(s)
- Yitong Li
- Department of Cell Biology and Physiology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
| | - Erika S Wittchen
- Department of Cell Biology and Physiology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
| | - Elizabeth Monaghan-Benson
- Department of Cell Biology and Physiology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
| | - Cornelia Hahn
- Marsico Lung Institute, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America.,Division of Pulmonary Diseases and Critical Care Medicine, Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
| | - H Shelton Earp
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
| | - Claire M Doerschuk
- Marsico Lung Institute, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America.,Division of Pulmonary Diseases and Critical Care Medicine, Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America.,Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
| | - Keith Burridge
- Department of Cell Biology and Physiology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America.,Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
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50
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AXL receptor tyrosine kinase as a promising anti-cancer approach: functions, molecular mechanisms and clinical applications. Mol Cancer 2019; 18:153. [PMID: 31684958 PMCID: PMC6827209 DOI: 10.1186/s12943-019-1090-3] [Citation(s) in RCA: 277] [Impact Index Per Article: 55.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Accepted: 10/18/2019] [Indexed: 02/08/2023] Open
Abstract
Molecular targeted therapy for cancer has been a research hotspot for decades. AXL is a member of the TAM family with the high-affinity ligand growth arrest-specific protein 6 (GAS6). The Gas6/AXL signalling pathway is associated with tumour cell growth, metastasis, invasion, epithelial-mesenchymal transition (EMT), angiogenesis, drug resistance, immune regulation and stem cell maintenance. Different therapeutic agents targeting AXL have been developed, typically including small molecule inhibitors, monoclonal antibodies (mAbs), nucleotide aptamers, soluble receptors, and several natural compounds. In this review, we first provide a comprehensive discussion of the structure, function, regulation, and signalling pathways of AXL. Then, we highlight recent strategies for targeting AXL in the treatment of cancer.AXL-targeted drugs, either as single agents or in combination with conventional chemotherapy or other small molecule inhibitors, are likely to improve the survival of many patients. However, future investigations into AXL molecular signalling networks and robust predictive biomarkers are warranted to select patients who could receive clinical benefit and to avoid potential toxicities.
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