1
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Long Y, Zhao T, Xiao Y, Kong S, Wang R, Cai K, Nie H. Effect of oxymatrine on neutrophil function based on zebrafish inflammation model and primary neutrophil inflammatory responses. Int Immunopharmacol 2024; 142:113064. [PMID: 39243560 DOI: 10.1016/j.intimp.2024.113064] [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: 04/22/2024] [Revised: 07/15/2024] [Accepted: 08/30/2024] [Indexed: 09/09/2024]
Abstract
Sophora flavescens Ait. (SFA), an extensively utilized herb for the treatment of fevers, inflammatory disorders, ulcers and skin diseases related to bur, contains oxymatrine (OMT) as its principal active constituent. OMT exerts regulatory effects over inflammation, oxidative stress and apoptosis. Neutrophils, critical regulators of the inflammation response, have not been thoroughly elucidated regarding the protective properties and underlying mechanisms of OMT-mediated anti-inflammation. This study was aim to explore the protective effect of OMT on neutrophils under inflammatory conditions and delve into its potential mechanism. Leveraging the advantages of zebrafish, an animal model with a real-time dynamic observation system, we established an in vivo caudal fin wound model and a copper sulfate induced-inflammation model in zebrafish line Tg (mpx:GFP). The result revealed that OMT significantly attenuated neutrophil migration, upregulated the mRNA expression levels of JNK, casp3, mapk14a, mapkapk2a and map2k1 damaged by zebrafish caudal fin wound model, and downregulated mRNA expression levels of JNK, casp3, mapk14a, mapkapk2a and map2k1 in the copper sulfate injury model. In vitro experiments demonstrated that OMT modulated the chemotaxis response of primary neutrophils from mice, enhanced phagocytosis, reduced oxidative stress and alleviated inflammation level. We hypothesize that the OMT may exert its anti-inflammatory effects by regulating primary neutrophils through the MAPK signaling pathway.
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Affiliation(s)
- Yingxin Long
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, 601 Huangpu Avenue West, Guangzhou 510632, China
| | - Tingting Zhao
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, 601 Huangpu Avenue West, Guangzhou 510632, China
| | - Yuan Xiao
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, 601 Huangpu Avenue West, Guangzhou 510632, China; Department of Pharmacy, Guizhou Provincial People's Hospital, No.83 Zhongshandong Road, Guiyang, Guizhou Province, China
| | - Shang Kong
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, 601 Huangpu Avenue West, Guangzhou 510632, China
| | - Ranjing Wang
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, 601 Huangpu Avenue West, Guangzhou 510632, China
| | - Kexin Cai
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, 601 Huangpu Avenue West, Guangzhou 510632, China
| | - Hong Nie
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, 601 Huangpu Avenue West, Guangzhou 510632, China.
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2
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Malona J, Chuaqui C, Seletsky BM, Beebe L, Cantin S, Kalken DVAN, Fahnoe K, Wang Z, Browning B, Szabo H, Koopman LA, Oravecz T, McDonald JJ, Ramirez-Valle F, Gaur R, Mensah KA, Thomas M, Connarn JN, Hu H, Alexander MD, Corin AF. Discovery of CC-99677, a selective targeted covalent MAPKAPK2 (MK2) inhibitor for autoimmune disorders. Transl Res 2022; 249:49-73. [PMID: 35691544 DOI: 10.1016/j.trsl.2022.06.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 05/13/2022] [Accepted: 06/03/2022] [Indexed: 12/11/2022]
Abstract
As an anti-inflammatory strategy, MAPK-activated protein kinase-2 (MK2) inhibition can potentially avoid the clinical failures seen for direct p38 inhibitors, especially tachyphylaxis. CC-99677, a selective targeted covalent MK2 inhibitor, employs a rare chloropyrimidine that bonds to the sulfur of cysteine 140 in the ATP binding site via a nucleophilic aromatic substitutions (SNAr) mechanism. This irreversible mechanism translates biochemical potency to cells shown by potent inhibition of heat shock protein 27 (HSP27) phosphorylation in LPS-activated monocytic THP-1 cells. The cytokine inhibitory profile of CC-99677 differentiates it from known p38 inhibitors, potentially suppressing a p38 pathway inflammatory response while avoiding tachyphylaxis. Dosed orally, CC-99677 is efficacious in a rat model of ankylosing spondylitis. Single doses, 3 to 400 mg, in healthy human volunteers show linear pharmacokinetics and apparent sustained tumor necrosis factor-α inhibition, with a favorable safety profile. These results support further development of CC-99677 for autoimmune diseases like ankylosing spondylitis.
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Affiliation(s)
| | | | | | - Lisa Beebe
- Bristol Myers Squibb, Princeton, New Jersey
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Haiqing Hu
- Bristol Myers Squibb, Princeton, New Jersey
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3
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Rashbrook VS, Brash JT, Ruhrberg C. Cre toxicity in mouse models of cardiovascular physiology and disease. NATURE CARDIOVASCULAR RESEARCH 2022; 1:806-816. [PMID: 37692772 PMCID: PMC7615056 DOI: 10.1038/s44161-022-00125-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 07/27/2022] [Indexed: 09/12/2023]
Abstract
The Cre-LoxP system provides a widely used method for studying gene requirements in the mouse as the main mammalian genetic model organism. To define the molecular and cellular mechanisms that underlie cardiovascular development, function and disease, various mouse strains have been engineered that allow Cre-LoxP-mediated gene targeting within specific cell types of the cardiovascular system. Despite the usefulness of this system, evidence is accumulating that Cre activity can have toxic effects in cells, independently of its ability to recombine pairs of engineered LoxP sites in target genes. Here, we have gathered published evidence for Cre toxicity in cells and tissues relevant to cardiovascular biology and provide an overview of mechanisms proposed to underlie Cre toxicity. Based on this knowledge, we propose that each study utilising the Cre-LoxP system to investigate gene function in the cardiovascular system should incorporate appropriate controls to account for Cre toxicity.
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Affiliation(s)
- Victoria S. Rashbrook
- UCL Institute of Ophthalmology, University College London, 11-43 Bath Street, London EC1V 9EL, UK
| | - James T. Brash
- UCL Institute of Ophthalmology, University College London, 11-43 Bath Street, London EC1V 9EL, UK
| | - Christiana Ruhrberg
- UCL Institute of Ophthalmology, University College London, 11-43 Bath Street, London EC1V 9EL, UK
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4
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Suarez-Lopez L, Shui B, Brubaker DK, Hill M, Bergendorf A, Changelian PS, Laguna A, Starchenko A, Lauffenburger DA, Haigis KM. Cross-species transcriptomic signatures predict response to MK2 inhibition in mouse models of chronic inflammation. iScience 2021; 24:103406. [PMID: 34849469 PMCID: PMC8609096 DOI: 10.1016/j.isci.2021.103406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 06/28/2021] [Accepted: 11/03/2021] [Indexed: 11/30/2022] Open
Abstract
Inflammatory bowel diseases (IBDs) are genetically complex and exhibit significant inter-patient heterogeneity in disease presentation and therapeutic response. Here, we show that mouse models of IBD exhibit variable responses to inhibition of MK2, a pro-inflammatory serine/threonine kinase, and that MK2 inhibition suppresses inflammation by targeting inflammatory monocytes and neutrophils in murine models. Using a computational approach (TransComp-R) that allows for cross-species comparison of transcriptomic features, we identified an IBD patient subgroup that is predicted to respond to MK2 inhibition, and an independent preclinical model of chronic intestinal inflammation predicted to be non-responsive, which we validated experimentally. Thus, cross-species mouse-human translation approaches can help to identify patient subpopulations in which to deploy new therapies. MK2 kinase inhibition shows variable efficacy in different IBD mouse models TCT and TNFΔARE mice express distinct inflammatory and MK2-responsive genes “Response to MK2i” signature is enriched in monocytes and neutrophils Cross-species modeling identifies patient groups potentially responsive to MK2i
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Affiliation(s)
- Lucia Suarez-Lopez
- Department of Cancer Biology, Dana Farber Cancer Institute, Boston, MA 02215, USA
- Department of Medicine, Brigham & Women's Hospital and Harvard Medical School, Boston, MA 02215, USA
| | - Bing Shui
- Department of Cancer Biology, Dana Farber Cancer Institute, Boston, MA 02215, USA
- Department of Medicine, Brigham & Women's Hospital and Harvard Medical School, Boston, MA 02215, USA
| | - Douglas K. Brubaker
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47906, USA
- Regenstrief Center for Healthcare Engineering, Purdue University, West Lafayette, IN 47906, USA
| | - Marza Hill
- Department of Cancer Biology, Dana Farber Cancer Institute, Boston, MA 02215, USA
| | - Alexander Bergendorf
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47906, USA
| | - Paul S. Changelian
- Aclaris Therapeutics, Inc., 4320 Forest Park Avenue, St. Louis, MO 63108, USA
| | - Aisha Laguna
- Department of Cancer Biology, Dana Farber Cancer Institute, Boston, MA 02215, USA
| | - Alina Starchenko
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Douglas A. Lauffenburger
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Kevin M. Haigis
- Department of Cancer Biology, Dana Farber Cancer Institute, Boston, MA 02215, USA
- Department of Medicine, Brigham & Women's Hospital and Harvard Medical School, Boston, MA 02215, USA
- Corresponding author
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5
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Current Status of Angiogenic Cell Therapy and Related Strategies Applied in Critical Limb Ischemia. Int J Mol Sci 2021; 22:ijms22052335. [PMID: 33652743 PMCID: PMC7956816 DOI: 10.3390/ijms22052335] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 02/20/2021] [Accepted: 02/23/2021] [Indexed: 02/06/2023] Open
Abstract
Critical limb ischemia (CLI) constitutes the most severe form of peripheral arterial disease (PAD), it is characterized by progressive blockade of arterial vessels, commonly correlated to atherosclerosis. Currently, revascularization strategies (bypass grafting, angioplasty) remain the first option for CLI patients, although less than 45% of them are eligible for surgical intervention mainly due to associated comorbidities. Moreover, patients usually require amputation in the short-term. Angiogenic cell therapy has arisen as a promising alternative for these "no-option" patients, with many studies demonstrating the potential of stem cells to enhance revascularization by promoting vessel formation and blood flow recovery in ischemic tissues. Herein, we provide an overview of studies focused on the use of angiogenic cell therapies in CLI in the last years, from approaches testing different cell types in animal/pre-clinical models of CLI, to the clinical trials currently under evaluation. Furthermore, recent alternatives related to stem cell therapies such as the use of secretomes, exosomes, or even microRNA, will be also described.
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6
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Suarez-Lopez L, Kong YW, Sriram G, Patterson JC, Rosenberg S, Morandell S, Haigis KM, Yaffe MB. MAPKAP Kinase-2 Drives Expression of Angiogenic Factors by Tumor-Associated Macrophages in a Model of Inflammation-Induced Colon Cancer. Front Immunol 2021; 11:607891. [PMID: 33708191 PMCID: PMC7940202 DOI: 10.3389/fimmu.2020.607891] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Accepted: 12/30/2020] [Indexed: 12/24/2022] Open
Abstract
Chronic inflammation increases the risk for colorectal cancer through a variety of mechanisms involving the tumor microenvironment. MAPK-activated protein kinase 2 (MK2), a major effector of the p38 MAPK stress and DNA damage response signaling pathway, and a critical regulator of pro-inflammatory cytokine production, has been identified as a key contributor to colon tumorigenesis under conditions of chronic inflammation. We have previously described how genetic inactivation of MK2 in an inflammatory model of colon cancer results in delayed tumor progression, decreased tumor angiogenesis, and impaired macrophage differentiation into a pro-tumorigenic M2-like state. The molecular mechanism responsible for the impaired angiogenesis and tumor progression, however, has remained contentious and poorly defined. Here, using RNA expression analysis, assays of angiogenesis factors, genetic models, in vivo macrophage depletion and reconstitution of macrophage MK2 function using adoptive cell transfer, we demonstrate that MK2 activity in macrophages is necessary and sufficient for tumor angiogenesis during inflammation-induced cancer progression. We identify a critical and previously unappreciated role for MK2-dependent regulation of the well-known pro-angiogenesis factor CXCL-12/SDF-1 secreted by tumor associated-macrophages, in addition to MK2-dependent regulation of Serpin-E1/PAI-1 by several cell types within the tumor microenvironment.
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Affiliation(s)
- Lucia Suarez-Lopez
- Center for Precision Cancer Medicine, Koch Institute for Integrated Cancer Research and Departments of Biological Engineering and Biology, Massachusetts Institute of Technology, Cambridge, MA, United States
- Department of Cancer Biology, Dana Farber Cancer Institute, Boston, MA, United States
| | - Yi Wen Kong
- Center for Precision Cancer Medicine, Koch Institute for Integrated Cancer Research and Departments of Biological Engineering and Biology, Massachusetts Institute of Technology, Cambridge, MA, United States
| | - Ganapathy Sriram
- Center for Precision Cancer Medicine, Koch Institute for Integrated Cancer Research and Departments of Biological Engineering and Biology, Massachusetts Institute of Technology, Cambridge, MA, United States
| | - Jesse C. Patterson
- Center for Precision Cancer Medicine, Koch Institute for Integrated Cancer Research and Departments of Biological Engineering and Biology, Massachusetts Institute of Technology, Cambridge, MA, United States
| | - Samantha Rosenberg
- Center for Precision Cancer Medicine, Koch Institute for Integrated Cancer Research and Departments of Biological Engineering and Biology, Massachusetts Institute of Technology, Cambridge, MA, United States
| | - Sandra Morandell
- Center for Precision Cancer Medicine, Koch Institute for Integrated Cancer Research and Departments of Biological Engineering and Biology, Massachusetts Institute of Technology, Cambridge, MA, United States
| | - Kevin M. Haigis
- Department of Cancer Biology, Dana Farber Cancer Institute, Boston, MA, United States
| | - Michael B. Yaffe
- Center for Precision Cancer Medicine, Koch Institute for Integrated Cancer Research and Departments of Biological Engineering and Biology, Massachusetts Institute of Technology, Cambridge, MA, United States
- Divisions of Acute Care Surgery, Trauma and Surgical Critical Care, and Surgical Oncology, Department of Surgery, Beth Israel Deaconess Medical Center, Boston, MA, United States
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7
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Beltran-Camacho L, Jimenez-Palomares M, Rojas-Torres M, Sanchez-Gomar I, Rosal-Vela A, Eslava-Alcon S, Perez-Segura MC, Serrano A, Antequera-González B, Alonso-Piñero JA, González-Rovira A, Extremera-García MJ, Rodriguez-Piñero M, Moreno-Luna R, Larsen MR, Durán-Ruiz MC. Identification of the initial molecular changes in response to circulating angiogenic cells-mediated therapy in critical limb ischemia. Stem Cell Res Ther 2020; 11:106. [PMID: 32143690 PMCID: PMC7060566 DOI: 10.1186/s13287-020-01591-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 01/10/2020] [Accepted: 02/06/2020] [Indexed: 12/18/2022] Open
Abstract
Background Critical limb ischemia (CLI) constitutes the most aggressive form of peripheral arterial occlusive disease, characterized by the blockade of arteries supplying blood to the lower extremities, significantly diminishing oxygen and nutrient supply. CLI patients usually undergo amputation of fingers, feet, or extremities, with a high risk of mortality due to associated comorbidities. Circulating angiogenic cells (CACs), also known as early endothelial progenitor cells, constitute promising candidates for cell therapy in CLI due to their assigned vascular regenerative properties. Preclinical and clinical assays with CACs have shown promising results. A better understanding of how these cells participate in vascular regeneration would significantly help to potentiate their role in revascularization. Herein, we analyzed the initial molecular mechanisms triggered by human CACs after being administered to a murine model of CLI, in order to understand how these cells promote angiogenesis within the ischemic tissues. Methods Balb-c nude mice (n:24) were distributed in four different groups: healthy controls (C, n:4), shams (SH, n:4), and ischemic mice (after femoral ligation) that received either 50 μl physiological serum (SC, n:8) or 5 × 105 human CACs (SE, n:8). Ischemic mice were sacrificed on days 2 and 4 (n:4/group/day), and immunohistochemistry assays and qPCR amplification of Alu-human-specific sequences were carried out for cell detection and vascular density measurements. Additionally, a label-free MS-based quantitative approach was performed to identify protein changes related. Results Administration of CACs induced in the ischemic tissues an increase in the number of blood vessels as well as the diameter size compared to ischemic, non-treated mice, although the number of CACs decreased within time. The initial protein changes taking place in response to ischemia and more importantly, right after administration of CACs to CLI mice, are shown. Conclusions Our results indicate that CACs migrate to the injured area; moreover, they trigger protein changes correlated with cell migration, cell death, angiogenesis, and arteriogenesis in the host. These changes indicate that CACs promote from the beginning an increase in the number of vessels as well as the development of an appropriate vascular network. Graphical abstract ![]()
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Affiliation(s)
- Lucia Beltran-Camacho
- Biomedicine, Biotechnology and Public Health Department, Cádiz University, Cadiz, Spain.,Institute of Biomedical Research Cadiz (INIBICA), Cadiz, Spain
| | - Margarita Jimenez-Palomares
- Biomedicine, Biotechnology and Public Health Department, Cádiz University, Cadiz, Spain.,Institute of Biomedical Research Cadiz (INIBICA), Cadiz, Spain
| | - Marta Rojas-Torres
- Biomedicine, Biotechnology and Public Health Department, Cádiz University, Cadiz, Spain.,Institute of Biomedical Research Cadiz (INIBICA), Cadiz, Spain
| | - Ismael Sanchez-Gomar
- Biomedicine, Biotechnology and Public Health Department, Cádiz University, Cadiz, Spain.,Institute of Biomedical Research Cadiz (INIBICA), Cadiz, Spain
| | - Antonio Rosal-Vela
- Biomedicine, Biotechnology and Public Health Department, Cádiz University, Cadiz, Spain.,Institute of Biomedical Research Cadiz (INIBICA), Cadiz, Spain
| | - Sara Eslava-Alcon
- Biomedicine, Biotechnology and Public Health Department, Cádiz University, Cadiz, Spain.,Institute of Biomedical Research Cadiz (INIBICA), Cadiz, Spain
| | | | - Ana Serrano
- Biomedicine, Biotechnology and Public Health Department, Cádiz University, Cadiz, Spain
| | - Borja Antequera-González
- Biomedicine, Biotechnology and Public Health Department, Cádiz University, Cadiz, Spain.,Institute of Biomedical Research Cadiz (INIBICA), Cadiz, Spain
| | - Jose Angel Alonso-Piñero
- Biomedicine, Biotechnology and Public Health Department, Cádiz University, Cadiz, Spain.,Institute of Biomedical Research Cadiz (INIBICA), Cadiz, Spain
| | - Almudena González-Rovira
- Biomedicine, Biotechnology and Public Health Department, Cádiz University, Cadiz, Spain.,Institute of Biomedical Research Cadiz (INIBICA), Cadiz, Spain
| | - Mª Jesús Extremera-García
- Biomedicine, Biotechnology and Public Health Department, Cádiz University, Cadiz, Spain.,Institute of Biomedical Research Cadiz (INIBICA), Cadiz, Spain
| | | | - Rafael Moreno-Luna
- Laboratory of Neuroinflammation, Hospital Nacional de Paraplejicos, SESCAM, Toledo, Spain
| | - Martin Røssel Larsen
- Department of Biochemistry and Molecular Biology, University of Southern Denmark, Odense, Denmark
| | - Mª Carmen Durán-Ruiz
- Biomedicine, Biotechnology and Public Health Department, Cádiz University, Cadiz, Spain. .,Institute of Biomedical Research Cadiz (INIBICA), Cadiz, Spain.
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8
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Lin XC, Pan M, Zhu LP, Sun Q, Zhou ZS, Li CC, Zhang GG. NFAT5 promotes arteriogenesis via MCP-1-dependent monocyte recruitment. J Cell Mol Med 2019; 24:2052-2063. [PMID: 31883300 PMCID: PMC6991654 DOI: 10.1111/jcmm.14904] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 09/28/2019] [Accepted: 10/05/2019] [Indexed: 01/24/2023] Open
Abstract
Studies have demonstrated that nuclear factor of activated T cells 5 (NFAT5) is not only a tonicity‐responsive transcription factor but also activated by other stimuli, so we aim to investigate whether NFAT5 participates in collateral arteries formation in rats. We performed femoral artery ligature (FAL) in rats for hindlimb ischaemia model and found that NFAT5 was up‐regulated in rat adductors with FAL compared with sham group. Knockdown of NFAT5 with locally injection of adenovirus‐mediated NFAT5‐shRNA in rats significantly inhibited hindlimb blood perfusion recovery and arteriogenesis. Moreover, NFAT5 knockdown decreased macrophages infiltration and monocyte chemotactic protein‐1 (MCP‐1) expression in rats adductors. In vitro, with interleukin‐1β (IL‐1β) stimulation and loss‐of‐function studies, we demonstrated that NFAT5 knockdown inhibits MCP‐1 expression in endothelial cells and chemotaxis of THP‐1 cells regulated by ERK1/2 pathway. More importantly, exogenous MCP‐1 delivery could recover hindlimb blood perfusion, promote arteriogenesis and macrophages infiltration in rats after FAL, which were depressed by NFAT5 knockdown. Besides, NFAT5 knockdown also inhibited angiogenesis in gastrocnemius muscles in rats. Our results indicate that NFAT5 is a critical regulator of arteriogenesis and angiogenesis via MCP‐1‐dependent monocyte recruitment, suggesting that NFAT5 may represent an alternative therapeutic target for ischaemic diseases.
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Affiliation(s)
- Xing-Chi Lin
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Miao Pan
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Ling-Ping Zhu
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Quan Sun
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Zheng-Shi Zhou
- Department of Laboratory Animal, Xiangya School of Medicine, Central South University, Changsha, China
| | - Chuan-Chang Li
- Department of Geriatric Medicine, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Guo-Gang Zhang
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China.,Department of Cardiovascular Medicine, The Third Xiangya Hospital, Central South University, Changsha, China
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9
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Isoform-Specific Roles of ERK1 and ERK2 in Arteriogenesis. Cells 2019; 9:cells9010038. [PMID: 31877781 PMCID: PMC7017123 DOI: 10.3390/cells9010038] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Revised: 12/10/2019] [Accepted: 12/18/2019] [Indexed: 12/14/2022] Open
Abstract
Despite the clinical importance of arteriogenesis, this biological process is poorly understood. ERK1 and ERK2 are key components of a major intracellular signaling pathway activated by vascular endothelial growth (VEGF) and FGF2, growth factors critical to arteriogenesis. To investigate the specific role of each ERK isoform in arteriogenesis, we used mice with a global Erk1 knockout as well as Erk1 and Erk2 floxed mice to delete Erk1 or Erk2 in endothelial cells, macrophages, and smooth muscle cells. We found that ERK1 controls macrophage infiltration following an ischemic event. Loss of ERK1 in endothelial cells and macrophages induced an excessive macrophage infiltration leading to an increased but poorly functional arteriogenesis. Loss of ERK2 in endothelial cells leads to a decreased arteriogenesis due to decreased endothelial cell proliferation and a reduced eNOS expression. These findings show for the first time that isoform-specific roles of ERK1 and ERK2 in the control of arteriogenesis.
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10
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Li WV, Li S, Tong X, Deng L, Shi H, Li JJ. AIDE: annotation-assisted isoform discovery with high precision. Genome Res 2019; 29:2056-2072. [PMID: 31694868 PMCID: PMC6886511 DOI: 10.1101/gr.251108.119] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Accepted: 09/27/2019] [Indexed: 02/06/2023]
Abstract
Genome-wide accurate identification and quantification of full-length mRNA isoforms is crucial for investigating transcriptional and posttranscriptional regulatory mechanisms of biological phenomena. Despite continuing efforts in developing effective computational tools to identify or assemble full-length mRNA isoforms from second-generation RNA-seq data, it remains a challenge to accurately identify mRNA isoforms from short sequence reads owing to the substantial information loss in RNA-seq experiments. Here, we introduce a novel statistical method, annotation-assisted isoform discovery (AIDE), the first approach that directly controls false isoform discoveries by implementing the testing-based model selection principle. Solving the isoform discovery problem in a stepwise and conservative manner, AIDE prioritizes the annotated isoforms and precisely identifies novel isoforms whose addition significantly improves the explanation of observed RNA-seq reads. We evaluate the performance of AIDE based on multiple simulated and real RNA-seq data sets followed by PCR-Sanger sequencing validation. Our results show that AIDE effectively leverages the annotation information to compensate the information loss owing to short read lengths. AIDE achieves the highest precision in isoform discovery and the lowest error rates in isoform abundance estimation, compared with three state-of-the-art methods Cufflinks, SLIDE, and StringTie. As a robust bioinformatics tool for transcriptome analysis, AIDE enables researchers to discover novel transcripts with high confidence.
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Affiliation(s)
- Wei Vivian Li
- Department of Biostatistics and Epidemiology, Rutgers School of Public Health, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854, USA.,Department of Statistics, University of California, Los Angeles, California 90095, USA
| | - Shan Li
- Laboratory of Tumor Targeted and Immune Therapy, Clinical Research Center for Breast, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University and Collaborative Innovation Center, Chengdu 610041, China
| | - Xin Tong
- Department of Data Sciences and Operations, Marshall School of Business, University of Southern California, Los Angeles, California 90089, USA
| | - Ling Deng
- Laboratory of Molecular Diagnosis of Cancer, Clinical Research Center for Breast, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Hubing Shi
- Laboratory of Tumor Targeted and Immune Therapy, Clinical Research Center for Breast, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University and Collaborative Innovation Center, Chengdu 610041, China
| | - Jingyi Jessica Li
- Department of Statistics, University of California, Los Angeles, California 90095, USA.,Department of Human Genetics, University of California, Los Angeles, California 90095, USA
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11
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Phinney BB, Ray AL, Peretti AS, Jerman SJ, Grim C, Pinchuk IV, Beswick EJ. MK2 Regulates Macrophage Chemokine Activity and Recruitment to Promote Colon Tumor Growth. Front Immunol 2018; 9:1857. [PMID: 30298062 PMCID: PMC6160543 DOI: 10.3389/fimmu.2018.01857] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Accepted: 07/27/2018] [Indexed: 12/21/2022] Open
Abstract
A major risk factor for colon cancer growth and progression is chronic inflammation. We have shown that the MAPK-activated protein kinase 2 (MK2) pathway is critical for colon tumor growth in colitis-associated and spontaneous colon cancer models. This pathway is known to regulate expression of the tumor-promoting cytokines, IL-1, IL-6, and TNF-α. However, little is known about the ability of MK2 to regulate chemokine production. This is the first study to demonstrate this pathway also regulates the chemokines, MCP-1, Mip-1α, and Mip-2α (MMM). We show that these chemokines induce tumor cell growth and invasion in vitro and that MK2 inhibition suppresses tumor cell production of chemokines and reverses the resulting pro-tumorigenic effects. Addition of MMM to colon tumors in vivo significantly enhances tumor growth in control tumors and restores tumor growth in the presence of MK2 inhibition. We also demonstrate that MK2 signaling is critical for chemokine expression and macrophage influx to the colon tumor microenvironment. MK2 signaling in macrophages was essential for inflammatory cytokine/chemokine production, whereas MK2−/− macrophages or MK2 inhibition suppressed cytokine expression. We show that addition of bone marrow-derived macrophages to the tumor microenvironment enhances tumor growth in control tumors and restores tumor growth in tumors treated with MK2 inhibitors, while addition of MK2−/− macrophages had no effect. This is the first study to demonstrate the critical role of the MK2 pathway in chemokine production, macrophage influx, macrophage function, and tumor growth.
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Affiliation(s)
- Brandon B Phinney
- Department of Molecular Genetics and Microbiology, University of New Mexico Health Sciences Center, Albuquerque, NM, United States
| | - Anita L Ray
- Department of Molecular Genetics and Microbiology, University of New Mexico Health Sciences Center, Albuquerque, NM, United States
| | - Amanda S Peretti
- Department of Molecular Genetics and Microbiology, University of New Mexico Health Sciences Center, Albuquerque, NM, United States
| | - Stephanie J Jerman
- Department of Molecular Genetics and Microbiology, University of New Mexico Health Sciences Center, Albuquerque, NM, United States
| | - Carl Grim
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, University of Texas Medical Branch, Galveston, TX, United States
| | - Irina V Pinchuk
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, University of Texas Medical Branch, Galveston, TX, United States
| | - Ellen J Beswick
- Department of Molecular Genetics and Microbiology, University of New Mexico Health Sciences Center, Albuquerque, NM, United States
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12
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Kan HW, Hsieh JH, Chien HF, Lin YH, Yeh TY, Chao CC, Hsieh ST. CD40-mediated HIF-1α expression underlying microangiopathy in diabetic nerve pathology. Dis Model Mech 2018; 11:dmm033647. [PMID: 29549140 PMCID: PMC5963861 DOI: 10.1242/dmm.033647] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Accepted: 03/12/2018] [Indexed: 01/31/2023] Open
Abstract
To understand the pathology and molecular signatures of microangiopathy in diabetic neuropathy, we systemically and quantitatively examined the morphometry of microvascular and nerve pathologies of sural nerves. In the endoneurium of diabetic nerves, prominent microangiopathy was observed, as evidenced by reduced capillary luminal area, increased capillary basement membrane thickness and increased proportion of fibrin(+) blood vessels. Furthermore, capillary basement membrane thickness and the proportion of fibrin(+) blood vessels were correlated with small myelinated fiber density in diabetic nerves. In diabetic nerves, there was also significant macrophage and T cell infiltration, and cluster of differentiation 40 (CD40) expression was increased. The molecular alterations observed were upregulation of hypoxia-inducible factor-1α (HIF-1α), mitogen-activated protein kinase-activated protein kinase 2 (MK2; MAPKAPK2) and phosphatase and tensin homolog (PTEN). In addition, HIF-1α was correlated with small myelinated fiber density and capillary luminal area, while both MK2 and PTEN were correlated with capillary basement membrane thickness. The molecular cascades were further demonstrated and replicated in a cell model of microangiopathy on human umbilical vein endothelial cells (HUVECs) exposed to high-glucose medium by silencing of CD40, PTEN and HIF-1α in HUVECs using shRNA. These data clarified the hierarchy of the molecular cascades, i.e. upregulation of CD40 leading to HIF-1α expression in endothelium and nerve fibers. In conclusion, this study revealed the association of microangiopathy, thrombosis and inflammatory infiltrates with nerve degeneration in diabetic nerves, demonstrating that CD40 is a key molecule for the upregulation of HIF-1α and PTEN underlying the severity of microangiopathy.
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Affiliation(s)
- Hung-Wei Kan
- Department of Anatomy and Cell Biology, National Taiwan University, Taipei 10051, Taiwan
| | - Jung-Hsien Hsieh
- Department of Anatomy and Cell Biology, National Taiwan University, Taipei 10051, Taiwan
- Department of Surgery, National Taiwan University Hospital, Taipei 10002, Taiwan
| | - Hsiung-Fei Chien
- Department of Anatomy and Cell Biology, National Taiwan University, Taipei 10051, Taiwan
- Department of Surgery, National Taiwan University Hospital, Taipei 10002, Taiwan
| | - Yea-Huey Lin
- Department of Neurology, National Taiwan University Hospital, Taipei 10002, Taiwan
| | - Ti-Yen Yeh
- Department of Anatomy and Cell Biology, National Taiwan University, Taipei 10051, Taiwan
| | - Chi-Chao Chao
- Department of Neurology, National Taiwan University Hospital, Taipei 10002, Taiwan
| | - Sung-Tsang Hsieh
- Department of Anatomy and Cell Biology, National Taiwan University, Taipei 10051, Taiwan
- Department of Neurology, National Taiwan University Hospital, Taipei 10002, Taiwan
- Graduate Institute of Brain and Mind Sciences, College of Medicine, National Taiwan University, Taipei 10051, Taiwan
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13
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Ciobanu O, Elena Sandu R, Tudor Balseanu A, Zavaleanu A, Gresita A, Petcu EB, Uzoni A, Popa‐Wagner A. Caloric restriction stabilizes body weight and accelerates behavioral recovery in aged rats after focal ischemia. Aging Cell 2017; 16:1394-1403. [PMID: 28961383 PMCID: PMC5676058 DOI: 10.1111/acel.12678] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/19/2017] [Indexed: 12/15/2022] Open
Abstract
Obesity and hyperinsulinemia are risk factors for stroke. We tested the hypothesis that caloric restriction, which reduces the incidence of age‐related obesity and metabolic syndrome, may represent an efficient and cost‐effective strategy for preventing stroke and its devastating consequences. To this end, we placed aged, obese Sprague‐Dawley aged rats on a calorie‐restricted diet for 8 weeks prior to the experimental infarction. Stroke in this animal model caused a progressive decrease in weight that reached a minimum at day 6 for the young rats, and at day 10 for the aged, ad libitum‐fed rats. However, in aged animals that were calorie‐restricted prior to stroke, body weight did not decrease after stroke, but we noted accelerated body weight gain shortly thereafter starting at day 5 poststroke. Moreover, calorie‐restricted aged animals showed improved behavioral recovery in tasks requiring complex sensorimotor skills, or in tasks requiring cutaneous sensitivity and sensorimotor integration or spatial memory. Likewise, calorie‐restricted aged rats showed significant poststroke increases in serum glucose, insulin, and IGF1 levels, as well as CR‐specific changes in the expression of gene transcripts involved in glycogen metabolism, IGF signaling, apoptosis, arteriogenesis, and hypoxia. In conclusion, our study shows that recovery from stroke is enhanced in aged rats by a dietary regimen that reduces body weight prior to infarct.
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Affiliation(s)
| | - Raluca Elena Sandu
- University of Medicine and Pharmacy Craiova Neurobiology of Aging Group Craiova Romania
| | - Adrian Tudor Balseanu
- University of Medicine and Pharmacy Craiova Neurobiology of Aging Group Craiova Romania
| | - Alexandra Zavaleanu
- University of Medicine and Pharmacy Craiova Neurobiology of Aging Group Craiova Romania
| | - Andrei Gresita
- University of Medicine and Pharmacy Craiova Neurobiology of Aging Group Craiova Romania
| | - Eugen Bogdan Petcu
- University Psychiatric Center Basel Switzerland
- Griffith University School of Medicine Gold Coast Campus Gold Coast Qld 4222 Australia
| | - Adriana Uzoni
- Department of Psychiatry Aging & Psychiatric Disorders Group University of Medicine Rostock Rostock Germany
| | - Aurel Popa‐Wagner
- University of Medicine and Pharmacy Craiova Neurobiology of Aging Group Craiova Romania
- Griffith University School of Medicine Gold Coast Campus Gold Coast Qld 4222 Australia
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14
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Napp LC, Jabs O, Höckelmann A, Dutzmann J, Kapopara PR, Sedding DG, Gaestel M, Bauersachs J, Bavendiek U. Normal endothelial but impaired arterial development in MAP-Kinase activated protein kinase 2 (MK2) deficient mice. Vasc Cell 2016; 8:4. [PMID: 27790365 PMCID: PMC5073967 DOI: 10.1186/s13221-016-0038-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Accepted: 10/12/2016] [Indexed: 12/25/2022] Open
Abstract
Angiogenesis is a fundamental process during development and disease, and many details of the underlying molecular and cellular mechanisms are incompletely understood. Mitogen-activated protein kinase (MAPK)-activated protein kinase 2 (MK2), a major downstream target of p38 MAPK, has recently been identified as a regulator of Interleukin 1β dependent angiogenesis in vivo, and in vitro data suggest a role of MK2 for VEGF-dependent angiogenic processes in endothelial cells. We thus hypothesized that MK2 plays a role during physiological vascular development in vivo. Vascular development was investigated in the retina of MK2-deficient mice. Retinal angiogenesis such as sprouting, branching and pruning was unchanged in MK2-/- mice compared to wildtype littermates. Early arterial development was also comparable between genotypes. However, with further expansion of vascular smooth muscle cells (SMC) during maturation of the arterial network at later time points, the number of arterial branch points was significantly lower in MK2-/- mice, resulting in a reduced total arterial area in adult mice. Isolated aortic smooth muscle cells from MK2-/- mice showed a more dedifferentiated phenotype in vitro and downregulation of central SMC marker genes, consistent with the known impaired migration of MK2-/- SMC. In conclusion, MK2 is not required for physiological retinal angiogenesis. However, its loss is associated with an altered genetic profile of SMC and an impaired arterial network in adult mice, indicating a distinct and probably cell-specific role of MK2 in arteries.
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Affiliation(s)
- L Christian Napp
- Department of Cardiology and Angiology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany
| | - Olga Jabs
- Department of Cardiology and Angiology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany
| | - Anna Höckelmann
- Department of Cardiology and Angiology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany
| | - Jochen Dutzmann
- Department of Cardiology and Angiology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany
| | - Piyush R Kapopara
- Department of Cardiology and Angiology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany
| | - Daniel G Sedding
- Department of Cardiology and Angiology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany
| | - Matthias Gaestel
- Department of Biochemistry, Hannover Medical School, Hannover, Germany
| | - Johann Bauersachs
- Department of Cardiology and Angiology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany
| | - Udo Bavendiek
- Department of Cardiology and Angiology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany
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15
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Castillo EF, Ray AL, Beswick EJ. MK2: an unrecognized regulator of tumor promoting macrophages in colorectal cancer? ACTA ACUST UNITED AC 2016; 3. [PMID: 26998523 PMCID: PMC4798244 DOI: 10.14800/macrophage.1166] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Colorectal cancer (CRC) is one of the most common malignancies and is associated closely with inflammation before and after development. Macrophages promote colitis and colitis-associated CRC. M1 macrophages contribute to colitis directly through the production of proinflammatory cytokines and through activation of proinflammatory immune cell phenotypes. In cancer, both M1 and M2 macrophages participate in tumor development and progression through cytokine production, changes in cell signaling and activation of T cells. We have identified the mitogen-activated protein kinase-activated protein kinase 2 (MK2) as a regulator of macrophages during colitis-associated CRC (CAC). MK2 is a proinflammatory kinase that promotes production of IL-1α, IL-1β, IL-6 and TNF-α. MK2−/− mice have decreases in macrophages, macrophage-associated chemokines, and proinflammatory cytokines. Most significantly, MK2−/− mice do not develop neoplasms in an inflammatory model of CRC. However, addition of MK2+/+ macrophages to MK2−/− mice increases production of proinflammatory cytokines. In wild type mice, both cytokines and tumor burdens increase upon addition of additional macrophages. These data support the importance of MK2 in macrophage regulation during inflammation-associated CRC.
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Affiliation(s)
- Eliseo F Castillo
- Department of Molecular Genetics and Microbiology, University of New Mexico Health Sciences Center, Albuquerque, NM 87131, USA
| | - Anita L Ray
- Department of Molecular Genetics and Microbiology, University of New Mexico Health Sciences Center, Albuquerque, NM 87131, USA
| | - Ellen J Beswick
- Department of Molecular Genetics and Microbiology, University of New Mexico Health Sciences Center, Albuquerque, NM 87131, USA
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