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Yang C, Zhu Q, Chen Y, Ji K, Li S, Wu Q, Pan Q, Li J. Review of the Protective Mechanism of Curcumin on Cardiovascular Disease. Drug Des Devel Ther 2024; 18:165-192. [PMID: 38312990 PMCID: PMC10838105 DOI: 10.2147/dddt.s445555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Accepted: 01/16/2024] [Indexed: 02/06/2024] Open
Abstract
Cardiovascular diseases (CVDs) are the most common cause of death worldwide and has been the focus of research in the medical community. Curcumin is a polyphenolic compound extracted from the root of turmeric. Curcumin has been shown to have a variety of pharmacological properties over the past decades. Curcumin can significantly protect cardiomyocyte injury after ischemia and hypoxia, inhibit myocardial hypertrophy and fibrosis, improve ventricular remodeling, reduce drug-induced myocardial injury, improve diabetic cardiomyopathy(DCM), alleviate vascular endothelial dysfunction, inhibit foam cell formation, and reduce vascular smooth muscle cells(VSMCs) proliferation. Clinical studies have shown that curcumin has a protective effect on blood vessels. Toxicological studies have shown that curcumin is safe. But high doses of curcumin also have some side effects, such as liver damage and defects in embryonic heart development. This article reviews the mechanism of curcumin intervention on CVDs in recent years, in order to provide reference for the development of new drugs in the future.
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Affiliation(s)
- Chunkun Yang
- Department of Cardiology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, People's Republic of China
| | - Qinwei Zhu
- Department of Emergency, Weifang Hospital of Traditional Chinese Medicine, Weifang, Shandong, People's Republic of China
| | - Yanbo Chen
- Department of Arrhythmia, Weifang People's Hospital, Weifang, Shandong, People's Republic of China
| | - Kui Ji
- Department of Emergency, Weifang Hospital of Traditional Chinese Medicine, Weifang, Shandong, People's Republic of China
| | - Shuanghong Li
- Department of Emergency, Weifang Hospital of Traditional Chinese Medicine, Weifang, Shandong, People's Republic of China
| | - Qian Wu
- Department of Cardiology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, People's Republic of China
| | - Qingquan Pan
- Department of Emergency, Weifang Hospital of Traditional Chinese Medicine, Weifang, Shandong, People's Republic of China
| | - Jun Li
- Department of Cardiology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, People's Republic of China
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Soares CLR, Wilairatana P, Silva LR, Moreira PS, Vilar Barbosa NMM, da Silva PR, Coutinho HDM, de Menezes IRA, Felipe CFB. Biochemical aspects of the inflammatory process: A narrative review. Biomed Pharmacother 2023; 168:115764. [PMID: 37897973 DOI: 10.1016/j.biopha.2023.115764] [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: 05/17/2023] [Revised: 10/11/2023] [Accepted: 10/17/2023] [Indexed: 10/30/2023] Open
Abstract
Inflammation is a protective response of the body potentially caused by microbial, viral, or fungal infections, tissue damage, or even autoimmune reactions. The cardinal signs of inflammation are consequences of immunological, biochemical, and physiological changes that trigger the release of pro-inflammatory chemical mediators at the local of the injured site thus, increasing blood flow, vascular permeability, and leukocyte recruitment. The aim of this study is to give an overview of the inflammatory process, focusing on chemical mediators. The literature review was based on a search of journals published between the years 2009 and 2023, regarding the role of major chemical mediators in the inflammatory process and current studies in pathogenesis, diagnosis, and therapy. Some of the recent contributions in the study of inflammatory pathologies and their mediators, including cytokines and chemokines, the kinin system, free radicals, nitric oxide, histamine, cell adhesion molecules, leukotrienes, prostaglandins and the complement system and their role in human health and chronic diseases.
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Affiliation(s)
- Caroline Leal Rodrigues Soares
- Departamento de Biologia Molecular - DBM. Universidade Federal da Paraíba - UFPB, Campus I - Jardim Cidade Universitária, CEP 58059-900 João Pessoa, Brazil
| | - Polrat Wilairatana
- Department of Clinical Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand.
| | - Larissa Rodrigues Silva
- Departamento de Biologia Molecular - DBM. Universidade Federal da Paraíba - UFPB, Campus I - Jardim Cidade Universitária, CEP 58059-900 João Pessoa, Brazil
| | - Polyanna Silva Moreira
- Departamento de Biologia Molecular - DBM. Universidade Federal da Paraíba - UFPB, Campus I - Jardim Cidade Universitária, CEP 58059-900 João Pessoa, Brazil
| | - Nayana Maria Medeiros Vilar Barbosa
- Departamento de Biologia Molecular - DBM. Universidade Federal da Paraíba - UFPB, Campus I - Jardim Cidade Universitária, CEP 58059-900 João Pessoa, Brazil
| | - Pablo Rayff da Silva
- Departamento de Biologia Molecular - DBM. Universidade Federal da Paraíba - UFPB, Campus I - Jardim Cidade Universitária, CEP 58059-900 João Pessoa, Brazil
| | - Henrique Douglas Melo Coutinho
- Laboratório de Microbiologia e Biologia Molecular - LMBM. Universidade Regional do Cariri - URCA, Rua Cel Antônio Luiz, 1161, Oimenta, CEP 63105-000 Crato, Brazil.
| | - Irwin Rose Alencar de Menezes
- Laboratório de Farmacologia e Química Molecular - LFQM. Universidade Regional do Cariri - URCA, Rua Cel Antônio Luiz, 1161, Pimenta, CEP 63105-000 Crato, Brazil
| | - Cícero Francisco Bezerra Felipe
- Departamento de Biologia Molecular - DBM. Universidade Federal da Paraíba - UFPB, Campus I - Jardim Cidade Universitária, CEP 58059-900 João Pessoa, Brazil.
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Sheikh HI, Zakaria NH, Abdul Majid FA, Zamzuri F, Fadhlina A, Hairani MAS. Promising roles of Zingiber officinale roscoe, Curcuma longa L., and Momordica charantia L. as immunity modulators against COVID-19: A bibliometric analysis. JOURNAL OF AGRICULTURE AND FOOD RESEARCH 2023; 14:100680. [PMID: 37346755 PMCID: PMC10259168 DOI: 10.1016/j.jafr.2023.100680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Revised: 06/08/2023] [Accepted: 06/10/2023] [Indexed: 06/23/2023]
Abstract
Zingiber officinale, Curcuma longa, and Momordica charantia are medicinal plants that are commonly used in the form of herbal tea, which is formulated to strengthen the immune system, especially against COVID-19 infection. Excellent antioxidant, anti-inflammatory, and immunostimulatory properties have been reported for their bioactive compounds, which have been shown to aid in stimulating immune systems as well as lowering the risk of severe COVID-19 such as lung injury. Yet, no bibliometric study on the subject is available. Hence, the purpose of this study is to quantitatively examine the existing articles related to the therapeutic potential of these three herbs, as well as their mechanisms of action in combating the SARS-CoV-2 virus. A total of 121 papers were retrieved from Scopus database up to 14th March 2023. The bibliometric analysis was conducted using VOSviewer software. Based on the literature search, Z. officinale was the most researched plant. India appeared as the most prolific country, with the highest number of articles contributed by two authors from India (Rathi, R. and Gayatri Devi, R.). In terms of keywords, the plants were associated with immune modulation, management of symptoms, antioxidant, anti-inflammatory and antiviral activities. Several important bioactive compounds were responsible for these effects such as gingerol, paradol, shogaol, curcumin, calebin A, momordicoside, karaviloside and cucurbitadienol. These compounds were hypothesized to prevent and cure COVID-19 by regulating inflammatory response, downregulating oxidative stress and modulating immunostimulatory activity. This review paper therefore supports the potential of Z. officinale, C. longa, and M. charantia to be formulated as a herbal blend for treating and preventing COVID-19 infection.
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Affiliation(s)
- Hassan I Sheikh
- Faculty of Fisheries and Food Science, Universiti Malaysia Terengganu, 21030, Kuala Nerus, Terengganu, Malaysia
- Food Security Research Cluster, Universiti Malaysia Terengganu, 21030, Kuala Nerus, Terengganu, Malaysia
| | - Nor Hafizah Zakaria
- Institute of Marine Biotechnology, Universiti Malaysia Terengganu, 21030, Kuala Nerus, Terengganu, Malaysia
| | | | - Fatihah Zamzuri
- Faculty of Pharmacy, Universiti Teknologi MARA, 42300, Puncak Alam, Selangor, Malaysia
| | - Anis Fadhlina
- Department of Fundamental Dental and Medical Sciences, Kulliyyah of Dentistry, International Islamic University Malaysia, 25200, Kuantan, Pahang, Malaysia
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Kamanzi C, Becker M, Jacobs M, Konečný P, Von Holdt J, Broadhurst J. The impact of coal mine dust characteristics on pathways to respiratory harm: investigating the pneumoconiotic potency of coals. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2023; 45:7363-7388. [PMID: 37131112 PMCID: PMC10517901 DOI: 10.1007/s10653-023-01583-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Accepted: 04/19/2023] [Indexed: 05/04/2023]
Abstract
Exposure to dust from the mining environment has historically resulted in epidemic levels of mortality and morbidity from pneumoconiotic diseases such as silicosis, coal workers' pneumoconiosis (CWP), and asbestosis. Studies have shown that CWP remains a critical issue at collieries across the globe, with some countries facing resurgent patterns of the disease and additional pathologies from long-term exposure. Compliance measures to reduce dust exposure rely primarily on the assumption that all "fine" particles are equally toxic irrespective of source or chemical composition. For several ore types, but more specifically coal, such an assumption is not practical due to the complex and highly variable nature of the material. Additionally, several studies have identified possible mechanisms of pathogenesis from the minerals and deleterious metals in coal. The purpose of this review was to provide a reassessment of the perspectives and strategies used to evaluate the pneumoconiotic potency of coal mine dust. Emphasis is on the physicochemical characteristics of coal mine dust such as mineralogy/mineral chemistry, particle shape, size, specific surface area, and free surface area-all of which have been highlighted as contributing factors to the expression of pro-inflammatory responses in the lung. The review also highlights the potential opportunity for more holistic risk characterisation strategies for coal mine dust, which consider the mineralogical and physicochemical aspects of the dust as variables relevant to the current proposed mechanisms for CWP pathogenesis.
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Affiliation(s)
- Conchita Kamanzi
- Department of Chemical Engineering, Minerals to Metals Initiative, University of Cape Town, Cape Town, South Africa.
- Department of Chemical Engineering, Centre for Minerals Research, University of Cape Town, Cape Town, South Africa.
| | - Megan Becker
- Department of Chemical Engineering, Minerals to Metals Initiative, University of Cape Town, Cape Town, South Africa
- Department of Chemical Engineering, Centre for Minerals Research, University of Cape Town, Cape Town, South Africa
| | - Muazzam Jacobs
- Division of Immunology, Department of Pathology, Institute for Infectious Diseases and Molecular Medicine, Neuroscience Institute, University of Cape Town, Cape Town, South Africa
- National Health Laboratory Service, Johannesburg, South Africa
| | - Petr Konečný
- Division of Immunology, Department of Pathology, Institute for Infectious Diseases and Molecular Medicine, Neuroscience Institute, University of Cape Town, Cape Town, South Africa
| | - Johanna Von Holdt
- Department of Environmental and Geographical Science, University of Cape Town, Cape Town, South Africa
| | - Jennifer Broadhurst
- Department of Chemical Engineering, Minerals to Metals Initiative, University of Cape Town, Cape Town, South Africa
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Priya PS, Murugan R, Almutairi BO, Arokiyaraj S, Shanjeev P, Arockiaraj J. Delineating the protective action of cordycepin against cadmium induced oxidative stress and gut inflammation through downregulation of NF-κB pathway. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2023; 102:104246. [PMID: 37595934 DOI: 10.1016/j.etap.2023.104246] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 07/03/2023] [Accepted: 08/12/2023] [Indexed: 08/20/2023]
Abstract
Cadmium (Cd) exposure is known to cause gut inflammation. In this study, we investigated the protective effects of cordycepin, a natural compound with pharmacological properties, against gut inflammation induced by Cd exposure. Using zebrafish larvae and colon cell line models, we examined the impact of cordycepin on Cd-induced toxicity and inflammation. Zebrafish larvae were exposed to Cd (2 µg/mL) and treated with different concentrations of cordycepin (12.5, 25 and 50 µg/mL). Cordycepin treatment significantly reduced Cd-induced embryotoxicity in zebrafish larvae. It also alleviated Cd-induced oxidative stress by reducing reactive oxygen species (ROS), lipid peroxidation and apoptosis. Furthermore, cordycepin treatment normalized the levels of liver-related biomarkers affected due to Cd exposure. Additionally, cordycepin (50 µg/mL) demonstrated a significant reduction in Cd bioaccumulation and downregulated the expression of inflammatory genes in both zebrafish larval gut and colon cell lines. These findings suggest that cordycepin could be an effective agent against Cd-induced gut inflammation.
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Affiliation(s)
- P Snega Priya
- Toxicology and Pharmacology Laboratory, Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology, Chengalpattu District, Kattankulatur 603203, Tamil Nadu, India
| | - Raghul Murugan
- Toxicology and Pharmacology Laboratory, Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology, Chengalpattu District, Kattankulatur 603203, Tamil Nadu, India
| | - Bader O Almutairi
- Department of Zoology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Selvaraj Arokiyaraj
- Department of Food Science & Biotechnology, Sejong University, Seoul 05006, Republic of Korea
| | - P Shanjeev
- SG's Supreme Organics, Plot 148, Sri Valli Nagar, Nandhivaram Village, Guduvancherry, Chennai 603202, Tamil Nadu, India
| | - Jesu Arockiaraj
- Toxicology and Pharmacology Laboratory, Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology, Chengalpattu District, Kattankulatur 603203, Tamil Nadu, India.
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Graham UM, Dozier AK, Feola DJ, Tseng MT, Yokel RA. Macrophage Polarization Status Impacts Nanoceria Cellular Distribution but Not Its Biotransformation or Ferritin Effects. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2298. [PMID: 37630884 PMCID: PMC10459093 DOI: 10.3390/nano13162298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 07/30/2023] [Accepted: 08/03/2023] [Indexed: 08/27/2023]
Abstract
The innate immune system is the first line of defense against external threats through the initiation and regulation of inflammation. Macrophage differentiation into functional phenotypes influences the fate of nanomaterials taken up by these immune cells. High-resolution electron microscopy was used to investigate the uptake, distribution, and biotransformation of nanoceria in human and murine M1 and M2 macrophages in unprecedented detail. We found that M1 and M2 macrophages internalize nanoceria differently. M1-type macrophages predominantly sequester nanoceria near the plasma membrane, whereas nanoceria are more uniformly distributed throughout M2 macrophage cytoplasm. In contrast, both macrophage phenotypes show identical nanoceria biotransformation to cerium phosphate nanoneedles and simultaneous nanoceria with ferritin co-precipitation within the cells. Ferritin biomineralization is a direct response to nanoparticle uptake inside both macrophage phenotypes. We also found that the same ferritin biomineralization mechanism occurs after the uptake of Ce-ions into polarized macrophages and into unpolarized human monocytes and murine RAW 264.7 cells. These findings emphasize the need for evaluating ferritin biomineralization in studies that involve the internalization of nano objects, ranging from particles to viruses to biomolecules, to gain greater mechanistic insights into the overall immune responses to nano objects.
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Affiliation(s)
- Uschi M. Graham
- Pharmaceutical Sciences Department, College of Pharmacy, University of Kentucky, Lexington, KY 40536-0596, USA;
| | - Alan K. Dozier
- National Institute of Occupational Safety and Health (NIOSH), Cincinnati, OH 45213-2515, USA;
| | - David J. Feola
- Pharmacy Practice and Science Department, College of Pharmacy, University of Kentucky, Lexington, KY 40536-0596, USA;
| | - Michael T. Tseng
- Anatomical Sciences and Neurobiology, University of Louisville, Louisville, KY 40202, USA
| | - Robert A. Yokel
- Pharmaceutical Sciences Department, College of Pharmacy, University of Kentucky, Lexington, KY 40536-0596, USA;
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Tapak M, Sadeghi S, Ghazanfari T, Mosaffa N. Chemical exposure and alveolar macrophages responses: 'the role of pulmonary defense mechanism in inhalation injuries'. BMJ Open Respir Res 2023; 10:e001589. [PMID: 37479504 PMCID: PMC10364189 DOI: 10.1136/bmjresp-2022-001589] [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: 12/15/2022] [Accepted: 04/28/2023] [Indexed: 07/23/2023] Open
Abstract
Epidemiological and clinical studies have indicated an association between particulate matter (PM) exposure and acute and chronic pulmonary inflammation, which may be registered as increased mortality and morbidity. Despite the increasing evidence, the pathophysiology mechanism of these PMs is still not fully characterised. Pulmonary alveolar macrophages (PAMs), as a predominant cell in the lung, play a critically important role in these pathological mechanisms. Toxin exposure triggers events associated with macrophage activation, including oxidative stress, acute damage, tissue disruption, remodelling and fibrosis. Targeting macrophage may potentially be employed to treat these types of lung inflammation without affecting the natural immune response to bacterial infections. Biological toxins, their sources of exposure, physical and other properties, and their effects on the individuals are summarised in this article. Inhaled particulates from air pollution and toxic gases containing chemicals can interact with alveolar epithelial cells and immune cells in the airways. PAMs can sense ambient pollutants and be stimulated, triggering cellular signalling pathways. These cells are highly adaptable and can change their function and phenotype in response to inhaled agents. PAMs also have the ability to polarise and undergo plasticity in response to tissue damage, while maintaining resistance to exposure to inhaled agents.
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Affiliation(s)
- Mahtab Tapak
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Alinasab Hospital, Labratory Department, Iranian Social Security Organization (ISSO), Tabriz, Iran
| | - Somaye Sadeghi
- Advanced Therapy Medicinal Product (ATMP) Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran, Iran
| | - Tooba Ghazanfari
- Immunoregulation Research Centre, Shahed University, Tehran, Iran
- Department of Immunology, Shahed University, Tehran, Iran
| | - Nariman Mosaffa
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Li Q, Chen F, Wang F. The immunological mechanisms and therapeutic potential in drug-induced liver injury: lessons learned from acetaminophen hepatotoxicity. Cell Biosci 2022; 12:187. [PMID: 36414987 PMCID: PMC9682794 DOI: 10.1186/s13578-022-00921-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 11/01/2022] [Indexed: 11/24/2022] Open
Abstract
Acute liver failure caused by drug overdose is a significant clinical problem in developed countries. Acetaminophen (APAP), a widely used analgesic and antipyretic drug, but its overdose can cause acute liver failure. In addition to APAP-induced direct hepatotoxicity, the intracellular signaling mechanisms of APAP-induced liver injury (AILI) including metabolic activation, mitochondrial oxidant stress and proinflammatory response further affect progression and severity of AILI. Liver inflammation is a result of multiple interactions of cell death molecules, immune cell-derived cytokines and chemokines, as well as damaged cell-released signals which orchestrate hepatic immune cell infiltration. The immunoregulatory interplay of these inflammatory mediators and switching of immune responses during AILI lead to different fate of liver pathology. Thus, better understanding the complex interplay of immune cell subsets in experimental models and defining their functional involvement in disease progression are essential to identify novel therapeutic targets for the treatment of AILI. Here, this present review aims to systematically elaborate on the underlying immunological mechanisms of AILI, its relevance to immune cells and their effector molecules, and briefly discuss great therapeutic potential based on inflammatory mediators.
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Affiliation(s)
- Qianhui Li
- grid.511083.e0000 0004 7671 2506Division of Gastroenterology, Seventh Affiliated Hospital of Sun Yat-sen University, No.628, Zhenyuan Road, Shenzhen, 518107 China
| | - Feng Chen
- grid.511083.e0000 0004 7671 2506Division of Gastroenterology, Seventh Affiliated Hospital of Sun Yat-sen University, No.628, Zhenyuan Road, Shenzhen, 518107 China
| | - Fei Wang
- grid.511083.e0000 0004 7671 2506Division of Gastroenterology, Seventh Affiliated Hospital of Sun Yat-sen University, No.628, Zhenyuan Road, Shenzhen, 518107 China
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Kim JH, Jeong M, Doo EH, Koo YT, Lee SJ, Jang JW, Park JHY, Huh CS, Byun S, Lee KW. Glycine max Fermented by a Novel Probiotic, Bifidobacterium animalis subsp. lactis LDTM 8102, Increases Immuno-Modulatory Function. J Microbiol Biotechnol 2022; 32:1146-1153. [PMID: 36168203 PMCID: PMC9628972 DOI: 10.4014/jmb.2206.06038] [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: 06/19/2022] [Revised: 08/25/2022] [Accepted: 08/29/2022] [Indexed: 12/15/2022]
Abstract
Many probiotic species have been used as a fermentation starter for manufacturing functional food materials. We have isolated Bifidobacterium animalis subsp. lactis LDTM 8102 from the feces of infants as a novel strain for fermentation. While Glycine max has been known to display various bioactivities including anti-oxidant, anti-skin aging, and anti-cancer effects, the immune-modulatory effect of Glycine max has not been reported. In the current study, we have discovered that the extract of Glycine max fermented with B. animalis subsp. lactis LDTM 8102 (GFB 8102), could exert immuno-modulatory properties. GFB 8102 treatment increased the production of immune-stimulatory cytokines in RAW264.7 macrophages without any noticeable cytotoxicity. Analysis of the molecular mechanism revealed that GFB 8102 could upregulate MAPK2K and MAPK signaling pathways including ERK, p38, and JNK. GFB 8102 also increased the proliferation rate of splenocytes isolated from mice. In an animal study, administration of GFB 8102 partially recovered cyclophosphamide-mediated reduction in thymus and spleen weight. Moreover, splenocytes from the GFB 8102-treated group exhibited increased TNF-α, IL-6, and IL-1β production. Based on these findings, GFB 8102 could be a promising functional food material for enhancing immune function.
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Affiliation(s)
- Jae Hwan Kim
- Department of Biotechnology, Yonsei University, Seoul 03722, Republic of Korea,Department of Agricultural Biotechnology, Seoul National University, Seoul 08826, Republic of Korea
| | - Minju Jeong
- Department of Agricultural Biotechnology, Seoul National University, Seoul 08826, Republic of Korea
| | - Eun-Hee Doo
- Department of Yuhan Biotechnology, School of Bio-Health Sciences, Yuhan University, Bucheon 14780, Republic of Korea
| | - Young Tae Koo
- Natural Products Convergence R&D Division, Kwangdong Pharm Co. Ltd., Republic of Korea
| | - Seon Joo Lee
- Natural Products Convergence R&D Division, Kwangdong Pharm Co. Ltd., Republic of Korea
| | - Ji Won Jang
- Natural Products Convergence R&D Division, Kwangdong Pharm Co. Ltd., Republic of Korea
| | - Jung Han Yoon Park
- Bio-MAX Institute, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Chul Sung Huh
- Research Institute of Eco-friendly Livestock Science, Institute of Green-Bio Science and Technology, Seoul National University, Pyeongchang 25354, Republic of Korea,Graduate School of International Agricultural Technology, Seoul National University, Pyeongchang 25354, Republic of Korea
| | - Sanguine Byun
- Department of Biotechnology, Yonsei University, Seoul 03722, Republic of Korea,
S. Byun Phone: +82-2-2123-5896 E-mail:
| | - Ki Won Lee
- Department of Agricultural Biotechnology, Seoul National University, Seoul 08826, Republic of Korea,Bio-MAX Institute, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea,Advanced Institutes of Convergence Technology, Seoul National University, Suwon 16229, Republic of Korea,Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Republic of Korea,Corresponding author K.W. Lee Phone: +82-2-880-4662 E-mail:
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Stevenson ER, Wilkinson ML, Abramova E, Guo C, Gow AJ. Intratracheal Administration of Acyl Coenzyme A Acyltransferase-1 Inhibitor K-604 Reduces Pulmonary Inflammation Following Bleomycin-Induced Lung Injury. J Pharmacol Exp Ther 2022; 382:356-365. [PMID: 35970601 PMCID: PMC9426763 DOI: 10.1124/jpet.122.001284] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Accepted: 06/28/2022] [Indexed: 01/19/2023] Open
Abstract
Acute lung injury (ALI) is characterized by epithelial damage, barrier dysfunction, and pulmonary edema. Macrophage activation and failure to resolve play a role in ALI; thus, macrophage phenotype modulation is a rational target for therapeutic intervention. Large, lipid-laden macrophages have been observed in various injury models, including intratracheal bleomycin (ITB), suggesting that lipid storage may play a role in ALI severity. The endoplasmic reticulum-associated enzyme acyl coenzyme A acyltransferase-1 (Acat-1/Soat1) is highly expressed in macrophages, where it catalyzes the esterification of cholesterol, leading to intracellular lipid accumulation. We hypothesize that inhibition of Acat-1 will reduce macrophage activation and improve outcomes of lung injury in ITB. K-604, a selective inhibitor of Acat-1, was used to reduce cholesterol esterification and hence lipid accumulation in response to ITB. Male and female C57BL6/J mice (n = 16-21/group) were administered control, control + K-604, ITB, or ITB + K-604 on d0, control or K-604 on d3, and were sacrificed on day 7. ITB caused significant body weight loss and an increase in cholesterol accumulation in bronchoalveolar lavage cells. These changes were mitigated by Acat-1 inhibition. K-604 also significantly reduced ITB-induced alveolar thickening. Surfactant composition was normalized as indicated by a significant decrease in phospholipid: SP-B ratio in ITB+K-604 compared with ITB. K-604 administration preserved mature alveolar macrophages, decreased activation in response to ITB, and decreased the percentage mature and pro-fibrotic interstitial macrophages. These results show that inhibition of Acat-1 in the lung is associated with reduced inflammatory response to ITB-mediated lung injury. SIGNIFICANCE STATEMENT: Acyl coenzyme A acyltransferase-1 (Acat-1) is critical to lipid droplet formation, and thus inhibition of Acat-1 presents as a pharmacological target. Intratracheal administration of K-604, an Acat-1 inhibitor, reduces intracellular cholesterol ester accumulation in lung macrophages, attenuates inflammation and macrophage activation, and normalizes mediators of surface-active function after intratracheal bleomycin administration in a rodent model. The data presented within suggest that inhibition of Acat-1 in the lung improves acute lung injury outcomes.
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Affiliation(s)
- Emily R Stevenson
- Ernest Mario School of Pharmacy, Department of Pharmacology & Toxicology, Rutgers, The State University of New Jersey, Piscataway, New Jersey
| | - Melissa L Wilkinson
- Ernest Mario School of Pharmacy, Department of Pharmacology & Toxicology, Rutgers, The State University of New Jersey, Piscataway, New Jersey
| | - Elena Abramova
- Ernest Mario School of Pharmacy, Department of Pharmacology & Toxicology, Rutgers, The State University of New Jersey, Piscataway, New Jersey
| | - Changjiang Guo
- Ernest Mario School of Pharmacy, Department of Pharmacology & Toxicology, Rutgers, The State University of New Jersey, Piscataway, New Jersey
| | - Andrew J Gow
- Ernest Mario School of Pharmacy, Department of Pharmacology & Toxicology, Rutgers, The State University of New Jersey, Piscataway, New Jersey
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11
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The Activity of Chelidonium majus L. Latex and Its Components on HPV Reveal Insights into the Antiviral Molecular Mechanism. Int J Mol Sci 2022; 23:ijms23169241. [PMID: 36012505 PMCID: PMC9409487 DOI: 10.3390/ijms23169241] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 08/10/2022] [Accepted: 08/11/2022] [Indexed: 11/21/2022] Open
Abstract
Yellow-orange latex of Chelidonium majus L. has been used in folk medicine as a therapeutic agent against warts and other visible symptoms of human papillomavirus (HPV) infections for centuries. The observed antiviral and antitumor properties of C. majus latex are often attributed to alkaloids contained therein, but recent studies indicate that latex proteins may also play an important role in its pharmacological activities. Therefore, the aim of the study was to investigate the effect of the crude C. majus latex and its protein and alkaloid-rich fractions on different stages of the HPV replication cycle. The results showed that the latex components, such as alkaloids and proteins, decrease HPV infectivity and inhibit the expression of viral oncogenes (E6, E7) on mRNA and protein levels. However, the crude latex and its fractions do not affect the stability of structural proteins in HPV pseudovirions and they do not inhibit the virus from attaching to the cell surface. In addition, the protein fraction causes increased TNFα secretion, which may indicate the induction of an inflammatory response. These findings indicate that the antiviral properties of C. majus latex arise both from alkaloids and proteins contained therein, acting on different stages of the viral replication cycle.
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12
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Zheng X, Wang S, Xiao L, Han P, Xie K, Ivanovski S, Xiao Y, Zhou Y. LiCl-induced immunomodulatory periodontal regeneration via the activation of the Wnt/β-catenin signaling pathway. J Periodontal Res 2022; 57:835-848. [PMID: 35675063 PMCID: PMC9541255 DOI: 10.1111/jre.13022] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2021] [Revised: 03/23/2022] [Accepted: 05/22/2022] [Indexed: 11/28/2022]
Abstract
Background Growing evidence suggests that excessive inflammation hampers the regenerative capacity of periodontal ligament cells (PDLCs) and that activation of the Wnt/β‐catenin pathway is crucial in suppressing immune dysregulation. Objective This study aimed to establish the role of the Wnt/β‐catenin in regulating the immune microenvironment and its subsequent impact on periodontal regeneration. Methods Lithium chloride (LiCl, Wnt activator) was administered daily into the standard periodontal defects created in 12‐week‐old Lewis rats. Harvested at 1‐week and 2‐week post‐surgery, samples were then subjected to histological and immunohistochemical evaluation of macrophage distribution and phenotype (pro‐inflammatory M1 and anti‐inflammatory M2). A murine macrophage cell line, RAW 264.7, was stimulated with LiCl to activate Wnt/β‐catenin. Following treatment with the conditioned medium derived from the LiCl‐activated macrophages, the expression of bone‐ and cementum‐related markers of the PDLCs was determined. The involvement of Wnt/β‐catenin in the immunoregulation and autophagic activity was further investigated with the addition of cardamonin, a commercially available Wnt inhibitor. Results A significantly increased number of macrophages were detected around the defects during early healing upon receiving the Wnt/β‐catenin signaling cue. The defect sites in week 2 exhibited fewer M1 and more M2 macrophages along with an enhanced regeneration of alveolar bone and cementum in the Wnt/β‐catenin activation group. LiCl‐induced immunomodulatory effect was accompanied with the activation Wnt/β‐catenin signaling, which was suppressed in the presence of Wnt inhibitor. Exposure to LiCl could induce autophagy in a dose‐dependent manner, thus maintaining macrophages in a regulatory state. The expression level of bone‐ and cementum‐related markers was significantly elevated in PDLCs stimulated with LiCl‐activated macrophages. Conclusion The application of Wnt activator LiCl facilitates the recruitment of macrophages to defect sites and regulates their phenotypic switching in favor of periodontal regeneration. Suppression of Wnt/β‐catenin pathway could attenuate the LiCl‐induced immunomodulatory effect. Taken together, the Wnt/β‐catenin pathway may be targeted for therapeutic interventions in periodontal diseases.
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Affiliation(s)
- Xiumei Zheng
- Xiamen Key Laboratory of Stomatological Disease Diagnosis and Treatment, Stomatological Hospital of Xiamen Medical College, Xiamen, China.,The Australia-China Centre for Tissue Engineering and Regenerative Medicine (ACCTERM), Queensland University of Technology, Brisbane, Queensland, Australia
| | - Shengfang Wang
- School of Mechanical, Medical and Process Engineering, Centre for Biomedical Technologies, Queensland University of Technology, Brisbane, Queensland, Australia
| | - Lan Xiao
- The Australia-China Centre for Tissue Engineering and Regenerative Medicine (ACCTERM), Queensland University of Technology, Brisbane, Queensland, Australia.,School of Mechanical, Medical and Process Engineering, Centre for Biomedical Technologies, Queensland University of Technology, Brisbane, Queensland, Australia
| | - Pingping Han
- The Australia-China Centre for Tissue Engineering and Regenerative Medicine (ACCTERM), Queensland University of Technology, Brisbane, Queensland, Australia.,School of Dentistry, Faculty of Health and Behavioural Sciences, The University of Queensland, Brisbane, Queensland, Australia
| | - Kunke Xie
- Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou, China
| | - Saso Ivanovski
- The Australia-China Centre for Tissue Engineering and Regenerative Medicine (ACCTERM), Queensland University of Technology, Brisbane, Queensland, Australia.,School of Dentistry, Faculty of Health and Behavioural Sciences, The University of Queensland, Brisbane, Queensland, Australia
| | - Yin Xiao
- The Australia-China Centre for Tissue Engineering and Regenerative Medicine (ACCTERM), Queensland University of Technology, Brisbane, Queensland, Australia.,School of Mechanical, Medical and Process Engineering, Centre for Biomedical Technologies, Queensland University of Technology, Brisbane, Queensland, Australia.,Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yinghong Zhou
- The Australia-China Centre for Tissue Engineering and Regenerative Medicine (ACCTERM), Queensland University of Technology, Brisbane, Queensland, Australia.,School of Dentistry, Faculty of Health and Behavioural Sciences, The University of Queensland, Brisbane, Queensland, Australia.,Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou, China
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13
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Ortiz-Zapater E, Signes-Costa J, Montero P, Roger I. Lung Fibrosis and Fibrosis in the Lungs: Is It All about Myofibroblasts? Biomedicines 2022; 10:biomedicines10061423. [PMID: 35740444 PMCID: PMC9220162 DOI: 10.3390/biomedicines10061423] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 06/06/2022] [Accepted: 06/10/2022] [Indexed: 12/15/2022] Open
Abstract
In the lungs, fibrosis is a growing clinical problem that results in shortness of breath and can end up in respiratory failure. Even though the main fibrotic disease affecting the lung is idiopathic pulmonary fibrosis (IPF), which affects the interstitial space, there are many fibrotic events that have high and dangerous consequences for the lungs. Asthma, chronic obstructive pulmonary disease (COPD), excessive allergies, clearance of infection or COVID-19, all are frequent diseases that show lung fibrosis. In this review, we describe the different kinds of fibrosis and analyse the main types of cells involved-myofibroblasts and other cells, like macrophages-and review the main fibrotic mechanisms. Finally, we analyse present treatments for fibrosis in the lungs and highlight potential targets for anti-fibrotic therapies.
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Affiliation(s)
- Elena Ortiz-Zapater
- Department of Biochemistry and Molecular Biology, Faculty of Medicine-IIS INCLIVA, University of Valencia, 46010 Valencia, Spain
- Correspondence:
| | | | - Paula Montero
- Department of Pharmacology, Faculty of Medicine, University of Valencia, 46010 Valencia, Spain; (P.M.); (I.R.)
| | - Inés Roger
- Department of Pharmacology, Faculty of Medicine, University of Valencia, 46010 Valencia, Spain; (P.M.); (I.R.)
- Biomedical Research Networking Centre on Respiratory Diseases (CIBERES), Health Institute Carlos III, 28029 Madrid, Spain
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14
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Wang J, Zhang L, Shi Q, Yang B, He Q, Wang J, Weng Q. Targeting innate immune responses to attenuate acetaminophen-induced hepatotoxicity. Biochem Pharmacol 2022; 202:115142. [PMID: 35700755 DOI: 10.1016/j.bcp.2022.115142] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 06/06/2022] [Accepted: 06/07/2022] [Indexed: 11/02/2022]
Abstract
Acetaminophen (APAP) hepatotoxicity is an important cause of acute liver failure, resulting in massive deaths in many developed countries. Currently, the metabolic process of APAP in the body has been well studied. However, the underlying mechanism of APAP-induced liver injury remains elusive. Increasing clinical and experimental evidences indicate that the innate immune responses are involved in the pathogenesis of APAP-induced acute liver injury (AILI), in which immune cells have dual roles of inducing inflammation to exacerbate hepatotoxicity and removing dead cells and debris to help liver regeneration. In this review, we summarize the latest findings of innate immune cells involved in AILI, particularly emphasizing the activation of innate immune cells and their different roles during the injury and repair phases. Moreover, current available treatments are discussed according to the different roles of innate immune cells in the development of AILI. This review aims to update the knowledge about innate immune responses in the pathogenesis of AILI, and provide potential therapeutic interventions for AILI.
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Affiliation(s)
- Jincheng Wang
- Center for Drug Safety Evaluation and Research, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Lulu Zhang
- Center for Drug Safety Evaluation and Research, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Qi Shi
- Center for Drug Safety Evaluation and Research, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China; Hangzhou Institute of Innovative Medicine, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Bo Yang
- Center for Drug Safety Evaluation and Research, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Qiaojun He
- Center for Drug Safety Evaluation and Research, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China; Hangzhou Institute of Innovative Medicine, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China; The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Jiajia Wang
- Center for Drug Safety Evaluation and Research, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China; Hangzhou Institute of Innovative Medicine, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China.
| | - Qinjie Weng
- Center for Drug Safety Evaluation and Research, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China; Hangzhou Institute of Innovative Medicine, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China; The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310058, China.
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15
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Itoh M, Imasu H, Takano K, Umezu M, Okazaki K, Iwasaki K. Time-series biological responses toward decellularized bovine tendon graft and autograft for 52 consecutive weeks after rat anterior cruciate ligament reconstruction. Sci Rep 2022; 12:6751. [PMID: 35468916 PMCID: PMC9038763 DOI: 10.1038/s41598-022-10713-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 04/13/2022] [Indexed: 11/30/2022] Open
Abstract
There is an essential demand for developing biocompatible grafts for knee anterior cruciate ligament reconstruction (ACLR). This study investigated cell infiltration into decellularized bovine tendon xenografts using a rat knee ACLR model. Twelve-week-old Sprague–Dawley rats were used. At weeks 1, 2, 4, 8, 16, 26, and 52 (each period, n = 6) after ACLR, rats receiving decellularized bovine tendon (group D, n = 42) or autologous tendon (group A, n = 42) as grafts underwent peritibial bone tunnel bone mineral density (BMD), histological, and immunohistological assessments. BMD increased over time in both the groups until week 16 and then remained unchanged without exhibiting significant differences between the groups. Initially, cellularity in group D was lower than that in group A; however, by weeks 4–8, both the groups were comparable to the native anterior cruciate ligament group and cellularity remained unchanged until week 52. Initially, group A had more M1 macrophages, indicating inflammation, whereas group D had more M2 macrophages, indicating tissue regeneration. Nonetheless, the M1 and M2 macrophage counts of both the groups were comparable at most times. This study revealed the excellent recellularization and tendon–bone integration abilities of decellularized tendons using a cross-species model.
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16
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Blaudez F, Ivanovski S, Fournier B, Vaquette C. The utilisation of resolvins in medicine and tissue engineering. Acta Biomater 2022; 140:116-135. [PMID: 34875358 DOI: 10.1016/j.actbio.2021.11.047] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 11/29/2021] [Accepted: 11/30/2021] [Indexed: 12/19/2022]
Abstract
Recent advances in the field of regenerative medicine and biomaterial science have highlighted the importance of controlling immune cell phenotypes at the biomaterial interface. These studies have clearly indicated that a rapid resolution of the inflammatory process, mediated by a switch in the macrophage population towards a reparative phenotype, is essential for tissue regeneration to occur. While various biomaterial surfaces have been developed in order to impart immunomodulatory properties to the resulting constructs, an alternative strategy involving the use of reparative biological cues, known as resolvins, is emerging in regenerative medicine. This review reports on the mechanisms via which resolvins participate in the resolution of inflammation and describes their current utilisation in pre-clinical and clinical settings, along with their effectiveness when combined with biomaterial constructs in tissue engineering applications. STATEMENT OF SIGNIFICANCE: The resolution of the inflammatory process is necessary for achieving tissue healing and regeneration. Resolvins are lipid mediators and play a key role in the resolution of the inflammatory response and can be used in as biological cues to promote tissue regeneration. This review describes the various biological inflammatory mechanisms and pathways involving resolvins and how their action results in a pro-healing response. The use of these molecules in the clinical setting is then summarised for various applications along with their limitations. Lastly, the review focuses on the emergence resolvins in tissue engineering products including the use of a more stable form which holds greater prospect for regenerative purposes.
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Affiliation(s)
- Fanny Blaudez
- School of Dentistry and Oral Health, Griffith University, Parklands Dr, Southport QLD 4222, Australia; The University of Queensland, School of Dentistry, 288 Herston Rd, Herston QLD 4006, Australia
| | - Saso Ivanovski
- The University of Queensland, School of Dentistry, 288 Herston Rd, Herston QLD 4006, Australia
| | - Benjamin Fournier
- The University of Queensland, School of Dentistry, 288 Herston Rd, Herston QLD 4006, Australia; Université de Paris, Dental Faculty Garanciere, Oral Biology Department, Centre of Reference for Oral Rare Diseases, 5 rue Garanciere, Paris, 75006, France; Centre de Recherche des Cordeliers, Université de Paris, Sorbonne Université, INSERM UMRS 1138, Molecular Oral Pathophysiology, 15-21 rue de l'école de médecine, 75006 Paris, France
| | - Cedryck Vaquette
- The University of Queensland, School of Dentistry, 288 Herston Rd, Herston QLD 4006, Australia.
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17
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Xu W, Cheng Y, Guo Y, Yao W, Qian H. Targeting tumor associated macrophages in hepatocellular carcinoma. Biochem Pharmacol 2022; 199:114990. [DOI: 10.1016/j.bcp.2022.114990] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Revised: 03/02/2022] [Accepted: 03/07/2022] [Indexed: 12/12/2022]
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18
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Yoon S, Cho H, Nam Y, Park M, Lim A, Kim JH, Park J, Kim W. Multifunctional Probiotic and Functional Properties of Lactiplantibacillus plantarum LRCC5314, Isolated from Kimchi. J Microbiol Biotechnol 2022; 32:72-80. [PMID: 34750286 PMCID: PMC9628831 DOI: 10.4014/jmb.2109.09025] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 10/29/2021] [Accepted: 11/04/2021] [Indexed: 12/15/2022]
Abstract
In this study, the survival capacity (acid and bile salt tolerance, and adhesion to gut epithelial cells) and probiotic properties (enzyme activity-inhibition and anti-inflammatory activities, inhibition of adipogenesis, and stress hormone level reduction) of Lactiplantibacillus plantarum LRCC5314, isolated from kimchi (Korean traditional fermented cabbage), were investigated. LRCC5314 exhibited very stable survival at ph 2.0 and in 0.2% bile acid with 89.9% adhesion to Caco-2 intestinal epithelial cells after treatment for 2 h. LRCC5314 also inhibited the activities of α-amylase and α-glucosidase, which are involved in elevating postprandial blood glucose levels, by approximately 72.9% and 51.2%, respectively. Treatment of lipopolysaccharide (LPS)-stimulated RAW 264.7 cells with the LRCC5314 lysate decreased the levels of the inflammatory factors nitric oxide, tumor necrosis factor (TNF-α), interleukin (IL)-1β, and interferon-γ by 88.5%, 49.3%, 97.2%, and 99.8%, respectively, relative to those of the cells treated with LPS alone. LRCC5314 also inhibited adipogenesis in differentiating preadipocytes (3T3-L1 cells), showing a 14.7% decrease in lipid droplet levels and a 74.0% decrease in triglyceride levels, as well as distinct reductions in the mRNA expression levels of adiponectin, FAS, PPAR/γ, C/EBPα, TNF-α, and IL-6. Moreover, LRCC5314 reduced the level of cortisol, a hormone with important effect on stress, by approximately 35.6% in H295R cells. L. plantarum LRCC5314 is identified as a new probiotic with excellent in vitro multifunctional properties. Subsequent in vivo studies may further demonstrate its potential as a functional food or pharmabiotic.
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Affiliation(s)
- Seokmin Yoon
- Department of Microbiology, Chung-Ang University College of Medicine, Seoul 06974, Republic of Korea
- Lotte R&D Center, Seoul 07594, Republic of Korea
| | - Hyeokjun Cho
- Department of Microbiology, Chung-Ang University College of Medicine, Seoul 06974, Republic of Korea
- Lotte R&D Center, Seoul 07594, Republic of Korea
| | - Yohan Nam
- Department of Microbiology, Chung-Ang University College of Medicine, Seoul 06974, Republic of Korea
| | - Miri Park
- Lotte R&D Center, Seoul 07594, Republic of Korea
| | - Ahyoung Lim
- Lotte R&D Center, Seoul 07594, Republic of Korea
| | - Jong-Hwa Kim
- Department of Microbiology, Chung-Ang University College of Medicine, Seoul 06974, Republic of Korea
| | | | - Wonyong Kim
- Department of Microbiology, Chung-Ang University College of Medicine, Seoul 06974, Republic of Korea
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19
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Egbuta MA, McIntosh S, Waters DLE, Vancov T, Liu L. In Vitro Anti-Inflammatory Activity of Essential Oil and β-Bisabolol Derived from Cotton Gin Trash. Molecules 2022; 27:molecules27020526. [PMID: 35056836 PMCID: PMC8779114 DOI: 10.3390/molecules27020526] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 01/07/2022] [Accepted: 01/10/2022] [Indexed: 02/05/2023] Open
Abstract
Natural α-bisabolol has been widely used in cosmetics and is sourced mainly from the stems of Candeia trees that have become endangered due to over exploitation. The in vitro anti-inflammatory activity of cotton gin trash (CGT) essential oil and the major terpenoid (β-bisabolol) purified from the oil were investigated against lipopolysaccharide (LPS)-stimulated RAW264.7 macrophages as well as the 3t3 and HS27 fibroblast cell lines. Nitric oxide (NO), prostaglandin E2 (PGE2), tumor necrosis factor-alpha (TNF-α), interleukin 6 (IL-6), and interleukin 8 (IL-8) were measured using Greiss reagent, enzyme-linked immunosorbent assay (ELISA), and cytokine bead array (CBA)-flow cytometry. Non-toxic concentrations of CGT oil and β-bisabolol (1.6–50.0 µg/mL) significantly inhibited the production of the inflammatory mediators in a dose-dependent manner. Maximal inhibition by β-bisabolol was 55.5% for NO, 62.3% for PGE2, and 45.3% for TNF-α production in RAW cells. β-Bisabolol induced a level of inhibition similar to an equal concentration of α-bisabolol (50.0 µg/mL), a known anti-inflammatory agent. These results suggest β-bisabolol exerts similar in vitro effects to known topical anti-inflammatory agents and could therefore be exploited for cosmetic and therapeutic uses. This is the first study to report the in vitro anti-inflammatory activity of β-bisabolol in CGT essential oil.
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Affiliation(s)
- Mary A. Egbuta
- Southern Cross Plant Science, Faculty of Science and Engineering, Southern Cross University, Lismore, NSW 2480, Australia; (M.A.E.); (S.M.); (D.L.E.W.)
| | - Shane McIntosh
- Southern Cross Plant Science, Faculty of Science and Engineering, Southern Cross University, Lismore, NSW 2480, Australia; (M.A.E.); (S.M.); (D.L.E.W.)
| | - Daniel L. E. Waters
- Southern Cross Plant Science, Faculty of Science and Engineering, Southern Cross University, Lismore, NSW 2480, Australia; (M.A.E.); (S.M.); (D.L.E.W.)
| | - Tony Vancov
- Elizabeth Macarthur Agricultural Institute, NSW Department of Planning, Industry & Environment, DPI Agriculture, Woodbridge Rd, Menangle, NSW 2568, Australia;
| | - Lei Liu
- Southern Cross Plant Science, Faculty of Science and Engineering, Southern Cross University, Lismore, NSW 2480, Australia; (M.A.E.); (S.M.); (D.L.E.W.)
- Correspondence: ; Tel.: +61-02-6620-3293
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20
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Li W, Li F, Zhang X, Lin HK, Xu C. Insights into the post-translational modification and its emerging role in shaping the tumor microenvironment. Signal Transduct Target Ther 2021; 6:422. [PMID: 34924561 PMCID: PMC8685280 DOI: 10.1038/s41392-021-00825-8] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 11/02/2021] [Accepted: 11/05/2021] [Indexed: 12/11/2022] Open
Abstract
More and more in-depth studies have revealed that the occurrence and development of tumors depend on gene mutation and tumor heterogeneity. The most important manifestation of tumor heterogeneity is the dynamic change of tumor microenvironment (TME) heterogeneity. This depends not only on the tumor cells themselves in the microenvironment where the infiltrating immune cells and matrix together forming an antitumor and/or pro-tumor network. TME has resulted in novel therapeutic interventions as a place beyond tumor beds. The malignant cancer cells, tumor infiltrate immune cells, angiogenic vascular cells, lymphatic endothelial cells, cancer-associated fibroblastic cells, and the released factors including intracellular metabolites, hormonal signals and inflammatory mediators all contribute actively to cancer progression. Protein post-translational modification (PTM) is often regarded as a degradative mechanism in protein destruction or turnover to maintain physiological homeostasis. Advances in quantitative transcriptomics, proteomics, and nuclease-based gene editing are now paving the global ways for exploring PTMs. In this review, we focus on recent developments in the PTM area and speculate on their importance as a critical functional readout for the regulation of TME. A wealth of information has been emerging to prove useful in the search for conventional therapies and the development of global therapeutic strategies.
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Affiliation(s)
- Wen Li
- grid.54549.390000 0004 0369 4060Integrative Cancer Center & Cancer Clinical Research Center, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, 610042 Chengdu, P. R. China
| | - Feifei Li
- grid.54549.390000 0004 0369 4060Integrative Cancer Center & Cancer Clinical Research Center, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, 610042 Chengdu, P. R. China ,grid.256607.00000 0004 1798 2653Guangxi Collaborative Innovation Center for Biomedicine (Guangxi-ASEAN Collaborative Innovation Center for Major Disease Prevention and Treatment), Guangxi Medical University, 530021 Nanning, Guangxi China
| | - Xia Zhang
- grid.410570.70000 0004 1760 6682Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), 400038 Chongqing, China
| | - Hui-Kuan Lin
- grid.241167.70000 0001 2185 3318Department of Cancer Biology, Wake Forest Baptist Medical Center, Wake Forest University, Winston Salem, NC 27101 USA
| | - Chuan Xu
- Integrative Cancer Center & Cancer Clinical Research Center, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, 610042, Chengdu, P. R. China. .,Department of Cancer Biology, Wake Forest Baptist Medical Center, Wake Forest University, Winston Salem, NC, 27101, USA.
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21
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Dervan A, Franchi A, Almeida-Gonzalez FR, Dowling JK, Kwakyi OB, McCoy CE, O’Brien FJ, Hibbitts A. Biomaterial and Therapeutic Approaches for the Manipulation of Macrophage Phenotype in Peripheral and Central Nerve Repair. Pharmaceutics 2021; 13:2161. [PMID: 34959446 PMCID: PMC8706646 DOI: 10.3390/pharmaceutics13122161] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 11/23/2021] [Accepted: 11/25/2021] [Indexed: 12/18/2022] Open
Abstract
Injury to the peripheral or central nervous systems often results in extensive loss of motor and sensory function that can greatly diminish quality of life. In both cases, macrophage infiltration into the injury site plays an integral role in the host tissue inflammatory response. In particular, the temporally related transition of macrophage phenotype between the M1/M2 inflammatory/repair states is critical for successful tissue repair. In recent years, biomaterial implants have emerged as a novel approach to bridge lesion sites and provide a growth-inductive environment for regenerating axons. This has more recently seen these two areas of research increasingly intersecting in the creation of 'immune-modulatory' biomaterials. These synthetic or naturally derived materials are fabricated to drive macrophages towards a pro-repair phenotype. This review considers the macrophage-mediated inflammatory events that occur following nervous tissue injury and outlines the latest developments in biomaterial-based strategies to influence macrophage phenotype and enhance repair.
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Affiliation(s)
- Adrian Dervan
- Tissue Engineering Research Group, Department of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, D02 YN77 Dublin, Ireland; (A.D.); (A.F.); (F.R.A.-G.); (F.J.O.)
- Trinity Centre for Bioengineering, Trinity College Dublin, D02 R590 Dublin, Ireland
- Advanced Materials and Bioengineering Research Centre (AMBER), Royal College of Surgeons in Ireland and Trinity College Dublin, D02 YN77 Dublin, Ireland
| | - Antonio Franchi
- Tissue Engineering Research Group, Department of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, D02 YN77 Dublin, Ireland; (A.D.); (A.F.); (F.R.A.-G.); (F.J.O.)
- Trinity Centre for Bioengineering, Trinity College Dublin, D02 R590 Dublin, Ireland
| | - Francisco R. Almeida-Gonzalez
- Tissue Engineering Research Group, Department of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, D02 YN77 Dublin, Ireland; (A.D.); (A.F.); (F.R.A.-G.); (F.J.O.)
- Trinity Centre for Bioengineering, Trinity College Dublin, D02 R590 Dublin, Ireland
- Advanced Materials and Bioengineering Research Centre (AMBER), Royal College of Surgeons in Ireland and Trinity College Dublin, D02 YN77 Dublin, Ireland
| | - Jennifer K. Dowling
- School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, D02 YN77 Dublin, Ireland; (J.K.D.); (O.B.K.); (C.E.M.)
- FutureNeuro SFI Research Centre, Royal College of Surgeons in Ireland, D02 YN77 Dublin, Ireland
| | - Ohemaa B. Kwakyi
- School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, D02 YN77 Dublin, Ireland; (J.K.D.); (O.B.K.); (C.E.M.)
- School of Medicine, Royal College of Surgeons in Ireland, D02 YN77 Dublin, Ireland
| | - Claire E. McCoy
- School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, D02 YN77 Dublin, Ireland; (J.K.D.); (O.B.K.); (C.E.M.)
- FutureNeuro SFI Research Centre, Royal College of Surgeons in Ireland, D02 YN77 Dublin, Ireland
| | - Fergal J. O’Brien
- Tissue Engineering Research Group, Department of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, D02 YN77 Dublin, Ireland; (A.D.); (A.F.); (F.R.A.-G.); (F.J.O.)
- Trinity Centre for Bioengineering, Trinity College Dublin, D02 R590 Dublin, Ireland
- Advanced Materials and Bioengineering Research Centre (AMBER), Royal College of Surgeons in Ireland and Trinity College Dublin, D02 YN77 Dublin, Ireland
| | - Alan Hibbitts
- Tissue Engineering Research Group, Department of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, D02 YN77 Dublin, Ireland; (A.D.); (A.F.); (F.R.A.-G.); (F.J.O.)
- Trinity Centre for Bioengineering, Trinity College Dublin, D02 R590 Dublin, Ireland
- Advanced Materials and Bioengineering Research Centre (AMBER), Royal College of Surgeons in Ireland and Trinity College Dublin, D02 YN77 Dublin, Ireland
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22
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Singh S, Singh T, Kunja C, Dhoat NS, Dhania NK. Gene-editing, immunological and iPSCs based therapeutics for muscular dystrophy. Eur J Pharmacol 2021; 912:174568. [PMID: 34656607 DOI: 10.1016/j.ejphar.2021.174568] [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: 06/24/2021] [Revised: 09/25/2021] [Accepted: 10/11/2021] [Indexed: 10/20/2022]
Abstract
Muscular dystrophy is a well-known genetically heterogeneous group of rare muscle disorders. This progressive disease causes the breakdown of skeletal muscles over time and leads to grave weakness. This breakdown is caused by a diverse pattern of mutations in dystrophin and dystrophin associated protein complex. These mutations lead to the production of altered proteins in response to which, the body stimulates production of various cytokines and immune cells, particularly reactive oxygen species and NFκB. Immune cells display/exhibit a dual role by inducing muscle damage and muscle repair. Various anti-oxidants, anti-inflammatory and glucocorticoid drugs serve as potent therapeutics for muscular dystrophy. Along with the above mentioned therapeutics, induced pluripotent stem cells also serve as a novel approach paving a way for personalized treatment. These pluripotent stem cells allow regeneration of large numbers of regenerative myogenic progenitors that can be administered in muscular dystrophy patients which assist in the recovery of lost muscle fibers. In this review, we have summarized gene-editing, immunological and induced pluripotent stem cell based therapeutics for muscular dystrophy treatment.
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Affiliation(s)
- Shagun Singh
- Department of Human Genetics and Molecular Medicine, School of Health Sciences, Central University of Punjab, Bathinda-151001, Punjab, India
| | - Tejpal Singh
- Department of Human Genetics and Molecular Medicine, School of Health Sciences, Central University of Punjab, Bathinda-151001, Punjab, India
| | - Chaitanya Kunja
- Department of Human Genetics and Molecular Medicine, School of Health Sciences, Central University of Punjab, Bathinda-151001, Punjab, India
| | - Navdeep S Dhoat
- Department of Pediatrics Surgery, All India Institute of Medical Sciences, Bathinda, 151001, Punjab, India
| | - Narender K Dhania
- Department of Human Genetics and Molecular Medicine, School of Health Sciences, Central University of Punjab, Bathinda-151001, Punjab, India.
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23
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CD5L deficiency attenuate acetaminophen-induced liver damage in mice via regulation of JNK and ERK signaling pathway. Cell Death Dis 2021; 7:342. [PMID: 34750342 PMCID: PMC8575892 DOI: 10.1038/s41420-021-00742-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 10/19/2021] [Accepted: 10/27/2021] [Indexed: 11/09/2022]
Abstract
CD5 molecule like (CD5L), a member of the scavenger receptor cysteine-rich domain superfamily, plays a critical role in immune homeostasis and inflammatory disease. Acetaminophen (APAP) is a safe and effective antipyretic analgesic. However, overdose may cause liver damage or even liver failure. APAP hepatotoxicity is characterized by extensive necrotic cell death and a sterile inflammatory response, in which the role of CD5L remains to be investigated. In this study, we found that the expression of CD5L was increased in the livers of mice after APAP overdose. Furthermore, CD5L deficiency reduced the increase of alanine transaminase (ALT) level, histopathologic lesion area, c-Jun N-terminal kinase (JNK)/extracellular signal-regulated kinase (ERK) phosphorylation level, Transferase-Mediated dUTP Nick End-Labeling positive (TUNEL+) cells proportion, vascular endothelial cell permeability and release of inflammatory cytokines induced by excess APAP. Therefore, our findings reveal that CD5L may be a potential therapeutic target for prevention and treatment of APAP-induced liver injury.
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24
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Gong L, Liao L, Dai X, Xue X, Peng C, Li Y. The dual role of immune response in acetaminophen hepatotoxicity: Implication for immune pharmacological targets. Toxicol Lett 2021; 351:37-52. [PMID: 34454010 DOI: 10.1016/j.toxlet.2021.08.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 07/16/2021] [Accepted: 08/23/2021] [Indexed: 12/14/2022]
Abstract
Acetaminophen (APAP), one of the most widely used antipyretic and analgesic drugs, principally contributes to drug-induced liver injury when taken at a high dose. APAP-induced liver injury (AILI) results in extensive necrosis of hepatocytes along with the occurrence of multiple intracellular events such as metabolic activation, cell injury, and signaling pathway activation. However, the specific role of the immune response in AILI remains controversial for its complicated regulatory mechanisms. A variety of inflammasomes, immune cells, inflammatory mediators, and signaling transduction pathways are activated in AILI. These immune components play antagonistic roles in aggravating the liver injury or promoting regeneration. Recent experimental studies indicated that natural products showed remarkable therapeutic effects against APAP hepatotoxicity due to their favorable efficacy. Therefore, this study aimed to review the present understanding of the immune response in AILI and attempted to establish ties among a series of inflammatory cascade reactions. Also, the immune molecular mechanisms of natural products in the treatment of AILI were extensively reviewed, thus providing a fundamental basis for exploring the potential pharmacological targets associated with immune interventions.
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Affiliation(s)
- Lihong Gong
- State Key Laboratory of Southwestern Chinese Medicine Resources, Key Laboratory of Standardization for Chinese Herbal Medicine, Ministry of Education, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Li Liao
- State Key Laboratory of Southwestern Chinese Medicine Resources, Key Laboratory of Standardization for Chinese Herbal Medicine, Ministry of Education, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Xuyang Dai
- State Key Laboratory of Southwestern Chinese Medicine Resources, Key Laboratory of Standardization for Chinese Herbal Medicine, Ministry of Education, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Xinyan Xue
- State Key Laboratory of Southwestern Chinese Medicine Resources, Key Laboratory of Standardization for Chinese Herbal Medicine, Ministry of Education, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Cheng Peng
- State Key Laboratory of Southwestern Chinese Medicine Resources, Key Laboratory of Standardization for Chinese Herbal Medicine, Ministry of Education, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
| | - Yunxia Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, Key Laboratory of Standardization for Chinese Herbal Medicine, Ministry of Education, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
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25
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Karunia J, Niaz A, Mandwie M, Thomas Broome S, Keay KA, Waschek JA, Al-Badri G, Castorina A. PACAP and VIP Modulate LPS-Induced Microglial Activation and Trigger Distinct Phenotypic Changes in Murine BV2 Microglial Cells. Int J Mol Sci 2021; 22:ijms222010947. [PMID: 34681607 PMCID: PMC8535941 DOI: 10.3390/ijms222010947] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 10/01/2021] [Accepted: 10/04/2021] [Indexed: 01/01/2023] Open
Abstract
Pituitary adenylate cyclase-activating polypeptide (PACAP) and vasoactive intestinal peptide (VIP) are two structurally related immunosuppressive peptides. However, the underlying mechanisms through which these peptides regulate microglial activity are not fully understood. Using lipopolysaccharide (LPS) to induce an inflammatory challenge, we tested whether PACAP or VIP differentially affected microglial activation, morphology and cell migration. We found that both peptides attenuated LPS-induced expression of the microglial activation markers Iba1 and iNOS (### p < 0.001), as well as the pro-inflammatory mediators IL-1β, IL-6, Itgam and CD68 (### p < 0.001). In contrast, treatment with PACAP or VIP exerted distinct effects on microglial morphology and migration. PACAP reversed LPS-induced soma enlargement and increased the percentage of small-sized, rounded cells (54.09% vs. 12.05% in LPS-treated cells), whereas VIP promoted a phenotypic shift towards cell subpopulations with mid-sized, spindle-shaped somata (48.41% vs. 31.36% in LPS-treated cells). Additionally, PACAP was more efficient than VIP in restoring LPS-induced impairment of cell migration and the expression of urokinase plasminogen activator (uPA) in BV2 cells compared with VIP. These results suggest that whilst both PACAP and VIP exert similar immunosuppressive effects in activated BV2 microglia, each peptide triggers distinctive shifts towards phenotypes of differing morphologies and with differing migration capacities.
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Affiliation(s)
- Jocelyn Karunia
- Laboratory of Cellular and Molecular Neuroscience (LCMN), School of Life Sciences, Faculty of Science, University of Technology Sydney, Sydney, NSW 2007, Australia; (J.K.); (A.N.); (M.M.); (S.T.B.); (G.A.-B.)
| | - Aram Niaz
- Laboratory of Cellular and Molecular Neuroscience (LCMN), School of Life Sciences, Faculty of Science, University of Technology Sydney, Sydney, NSW 2007, Australia; (J.K.); (A.N.); (M.M.); (S.T.B.); (G.A.-B.)
| | - Mawj Mandwie
- Laboratory of Cellular and Molecular Neuroscience (LCMN), School of Life Sciences, Faculty of Science, University of Technology Sydney, Sydney, NSW 2007, Australia; (J.K.); (A.N.); (M.M.); (S.T.B.); (G.A.-B.)
| | - Sarah Thomas Broome
- Laboratory of Cellular and Molecular Neuroscience (LCMN), School of Life Sciences, Faculty of Science, University of Technology Sydney, Sydney, NSW 2007, Australia; (J.K.); (A.N.); (M.M.); (S.T.B.); (G.A.-B.)
| | - Kevin A. Keay
- School of Medical Science, [Neuroscience] and Brain and Mind Centre, The University of Sydney, Sydney, NSW 2006, Australia;
| | - James A. Waschek
- Intellectual Development and Disabilities Research Centre, Semel Institute for Neuroscience and Human Behaviour/Neuropsychiatric Institute, David Geffen School of Medicine, University of California-Los Angeles, Los Angeles, CA 90095, USA;
| | - Ghaith Al-Badri
- Laboratory of Cellular and Molecular Neuroscience (LCMN), School of Life Sciences, Faculty of Science, University of Technology Sydney, Sydney, NSW 2007, Australia; (J.K.); (A.N.); (M.M.); (S.T.B.); (G.A.-B.)
| | - Alessandro Castorina
- Laboratory of Cellular and Molecular Neuroscience (LCMN), School of Life Sciences, Faculty of Science, University of Technology Sydney, Sydney, NSW 2007, Australia; (J.K.); (A.N.); (M.M.); (S.T.B.); (G.A.-B.)
- School of Medical Science, [Neuroscience] and Brain and Mind Centre, The University of Sydney, Sydney, NSW 2006, Australia;
- Correspondence:
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26
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Singh K, Ali A, Shrestha A, Magalhaes M, Kishen A. Assessing Macrophage Polarization in Nanoparticle-Guided Wound Repair Using a Lipopolysaccharide Contaminated Intraosseous Model. J Endod 2021; 48:109-116. [PMID: 34634294 DOI: 10.1016/j.joen.2021.09.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 09/18/2021] [Accepted: 09/22/2021] [Indexed: 12/27/2022]
Abstract
INTRODUCTION Macrophages regulate the processes of inflammation and tissue regeneration/repair through their plasticity and phenotypes of different activation states. Previous studies have shown that disinfection of lipopolysaccharide (LPS)-contaminated dentin with photoactivated rose bengal-functionalized chitosan nanoparticles (CSRBnps) in vivo supported neotissue formation without signs of inflammation and root resorption. The aim of this study was to understand the mechanism underlying CSRBnp-guided attenuation of inflammation in LPS-contaminated dentin using macrophage polarization as an indicator of inflammation and repair. METHODS To quantify the polarized macrophage populations, M1/M2-specific surface markers CD68, CD80, and CD206 and transcriptional factors signal transducer and activator of transcription (STAT) 1, STAT3, and STAT6 were determined using immunohistochemistry among previously obtained root specimens implanted into mandibles of guinea pigs for 4 weeks. In group 1, the canals were not inoculated; in group 2, the canals were inoculated with Pseudomonas aeruginosa LPS; in group 3, the canals were inoculated and disinfected with sodium hypochlorite; in group 4, the canals were inoculated and disinfected with sodium hypochlorite and calcium hydroxide; and in group 5, the canals were inoculated and disinfected with sodium hypochlorite, and CSRBnps (300 μg/mL) with photoactivation (λ = 540 nm, 40 J/cm2) were analyzed. RESULTS An increased expression of M2-specific markers was observed in the group treated with CSRBnps compared with the groups treated with either conventional or no root canal disinfection. A statistically significant population of macrophages expressing both M1- and M2-specific markers was observed in all the tested groups. CONCLUSIONS Disinfection of LPS-contaminated dentin with CSRBnps demonstrated M2-type polarization of macrophages, which corresponded to repair and neotissue formation.
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Affiliation(s)
- Kamna Singh
- Dental Research Institute, Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada
| | - Aiman Ali
- Dental Research Institute, Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada
| | - Annie Shrestha
- Dental Research Institute, Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada
| | - Marco Magalhaes
- Dental Research Institute, Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada
| | - Anil Kishen
- Dental Research Institute, Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada.
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27
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Schaffert A, Arnold J, Karkossa I, Blüher M, von Bergen M, Schubert K. The Emerging Plasticizer Alternative DINCH and Its Metabolite MINCH Induce Oxidative Stress and Enhance Inflammatory Responses in Human THP-1 Macrophages. Cells 2021; 10:cells10092367. [PMID: 34572016 PMCID: PMC8466537 DOI: 10.3390/cells10092367] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 09/03/2021] [Accepted: 09/04/2021] [Indexed: 02/06/2023] Open
Abstract
The use of the plasticizer bis(2-ethylhexyl)phthalate (DEHP) and other plasticizers in the manufacture of plastic products has been restricted due to adverse health outcomes such as obesity, metabolic syndrome, and asthma, for which inflammation has been described to be a driving factor. The emerging alternative plasticizer 1,2-cyclohexanedioic acid diisononyl ester (DINCH) still lacks information regarding its potential effects on the immune system. Here, we investigated the effects of DINCH and its naturally occurring metabolite monoisononylcyclohexane-1,2-dicarboxylic acid ester (MINCH) on the innate immune response. Human THP-1 macrophages were exposed to 10 nM–10 μM DINCH or MINCH for 4 h, 16 h, and 24 h. To decipher the underlying mechanism of action, we applied an untargeted proteomic approach that revealed xenobiotic-induced activation of immune-related pathways such as the nuclear factor κB (NF-κB) signaling pathway. Key drivers were associated with oxidative stress, mitochondrial dysfunction, DNA damage repair, apoptosis, and autophagy. We verified increased reactive oxygen species (ROS) leading to cellular damage, NF-κB activation, and subsequent TNF and IL-1β release, even at low nM concentrations. Taken together, DINCH and MINCH induced cellular stress and pro-inflammatory effects in macrophages, which may lead to adverse health effects.
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Affiliation(s)
- Alexandra Schaffert
- Department of Molecular Systems Biology, Helmholtz-Centre for Environmental Research (UFZ), 04318 Leipzig, Germany; (A.S.); (J.A.); (I.K.); (M.v.B.)
| | - Josi Arnold
- Department of Molecular Systems Biology, Helmholtz-Centre for Environmental Research (UFZ), 04318 Leipzig, Germany; (A.S.); (J.A.); (I.K.); (M.v.B.)
| | - Isabel Karkossa
- Department of Molecular Systems Biology, Helmholtz-Centre for Environmental Research (UFZ), 04318 Leipzig, Germany; (A.S.); (J.A.); (I.K.); (M.v.B.)
| | - Matthias Blüher
- Helmholtz Institute for Metabolic, Obesity and Vascular Research (HI-MAG), 04318 Leipzig, Germany;
- Department of Endocrinology, Nephrology Rheumatology, University Hospital Leipzig Medical Research Center, 04318 Leipzig, Germany
| | - Martin von Bergen
- Department of Molecular Systems Biology, Helmholtz-Centre for Environmental Research (UFZ), 04318 Leipzig, Germany; (A.S.); (J.A.); (I.K.); (M.v.B.)
- Institute of Biochemistry, Leipzig University, 04103 Leipzig, Germany
| | - Kristin Schubert
- Department of Molecular Systems Biology, Helmholtz-Centre for Environmental Research (UFZ), 04318 Leipzig, Germany; (A.S.); (J.A.); (I.K.); (M.v.B.)
- Correspondence: ; Tel.: +49-341-235-1819
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28
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Jannus F, Medina-O’Donnell M, Neubrand VE, Marín M, Saez-Lara MJ, Sepulveda MR, Rufino-Palomares EE, Martinez A, Lupiañez JA, Parra A, Rivas F, Reyes-Zurita FJ. Efficient In Vitro and In Vivo Anti-Inflammatory Activity of a Diamine-PEGylated Oleanolic Acid Derivative. Int J Mol Sci 2021; 22:ijms22158158. [PMID: 34360922 PMCID: PMC8347335 DOI: 10.3390/ijms22158158] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 07/19/2021] [Accepted: 07/20/2021] [Indexed: 12/28/2022] Open
Abstract
Recent evidence has shown that inflammation can contribute to all tumorigenic states. We have investigated the anti-inflammatory effects of a diamine-PEGylated derivative of oleanolic acid (OADP), in vitro and in vivo with inflammation models. In addition, we have determined the sub-cytotoxic concentrations for anti-inflammatory assays of OADP in RAW 264.7 cells. The inflammatory process began with incubation with lipopolysaccharide (LPS). Nitric oxide production levels were also determined, exceeding 75% inhibition of NO for a concentration of 1 µg/mL of OADP. Cell-cycle analysis showed a reversal of the arrest in the G0/G1 phase in LPS-stimulated RAW 264.7 cells. Furthermore, through Western blot analysis, we have determined the probable molecular mechanism activated by OADP; the inhibition of the expression of cytokines such as TNF-α, IL-1β, iNOS, and COX-2; and the blocking of p-IκBα production in LPS-stimulated RAW 264.7 cells. Finally, we have analyzed the anti-inflammatory action of OADP in a mouse acute ear edema, in male BL/6J mice treated with OADP and tetradecanoyl phorbol acetate (TPA). Treatment with OADP induced greater suppression of edema and decreased the ear thickness 14% more than diclofenac. The development of new derivatives such as OADP with powerful anti-inflammatory effects could represent an effective therapeutic strategy against inflammation and tumorigenic processes.
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Affiliation(s)
- Fatin Jannus
- Department of Biochemistry and Molecular Biology I, Faculty of Sciences, University of Granada, Av. Fuentenueva, 18071 Granada, Spain; (F.J.); (M.M.); (M.J.S.-L.); (E.E.R.-P.); (J.A.L.)
| | - Marta Medina-O’Donnell
- Department of Organic Chemistry, Faculty of Sciences, University of Granada, Av. Fuentenueva, 18071 Granada, Spain; (A.M.); (A.P.)
- Correspondence: (M.M.-O.); (F.R.); (F.J.R.-Z.); Tel.: +34-958-243-252 (F.J.R.-Z.)
| | - Veronika E. Neubrand
- Department of Cell Biology, Faculty of Sciences, University of Granada, Av. Fuentenueva, 18071 Granada, Spain; (V.E.N.); (M.R.S.)
| | - Milagros Marín
- Department of Biochemistry and Molecular Biology I, Faculty of Sciences, University of Granada, Av. Fuentenueva, 18071 Granada, Spain; (F.J.); (M.M.); (M.J.S.-L.); (E.E.R.-P.); (J.A.L.)
| | - Maria J. Saez-Lara
- Department of Biochemistry and Molecular Biology I, Faculty of Sciences, University of Granada, Av. Fuentenueva, 18071 Granada, Spain; (F.J.); (M.M.); (M.J.S.-L.); (E.E.R.-P.); (J.A.L.)
| | - M. Rosario Sepulveda
- Department of Cell Biology, Faculty of Sciences, University of Granada, Av. Fuentenueva, 18071 Granada, Spain; (V.E.N.); (M.R.S.)
| | - Eva E. Rufino-Palomares
- Department of Biochemistry and Molecular Biology I, Faculty of Sciences, University of Granada, Av. Fuentenueva, 18071 Granada, Spain; (F.J.); (M.M.); (M.J.S.-L.); (E.E.R.-P.); (J.A.L.)
| | - Antonio Martinez
- Department of Organic Chemistry, Faculty of Sciences, University of Granada, Av. Fuentenueva, 18071 Granada, Spain; (A.M.); (A.P.)
| | - Jose A. Lupiañez
- Department of Biochemistry and Molecular Biology I, Faculty of Sciences, University of Granada, Av. Fuentenueva, 18071 Granada, Spain; (F.J.); (M.M.); (M.J.S.-L.); (E.E.R.-P.); (J.A.L.)
| | - Andres Parra
- Department of Organic Chemistry, Faculty of Sciences, University of Granada, Av. Fuentenueva, 18071 Granada, Spain; (A.M.); (A.P.)
| | - Francisco Rivas
- Department of Organic Chemistry, Faculty of Sciences, University of Granada, Av. Fuentenueva, 18071 Granada, Spain; (A.M.); (A.P.)
- Correspondence: (M.M.-O.); (F.R.); (F.J.R.-Z.); Tel.: +34-958-243-252 (F.J.R.-Z.)
| | - Fernando J. Reyes-Zurita
- Department of Biochemistry and Molecular Biology I, Faculty of Sciences, University of Granada, Av. Fuentenueva, 18071 Granada, Spain; (F.J.); (M.M.); (M.J.S.-L.); (E.E.R.-P.); (J.A.L.)
- Correspondence: (M.M.-O.); (F.R.); (F.J.R.-Z.); Tel.: +34-958-243-252 (F.J.R.-Z.)
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29
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Wang B, Li J, Jiao J, Xu M, Luo Y, Wang F, Xia Q, Gao Y, Feng Y, Kong X, Sun X. Myeloid DJ-1 deficiency protects acetaminophen-induced acute liver injury through decreasing inflammatory response. Aging (Albany NY) 2021; 13:18879-18893. [PMID: 34289451 PMCID: PMC8351717 DOI: 10.18632/aging.203340] [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: 03/25/2021] [Accepted: 07/09/2021] [Indexed: 02/05/2023]
Abstract
Background: DJ-1 (also known as PARK7), a noted protein implicated in modulating ROS production and immune response, has been observed to play critical roles in the pathogenesis of many forms of liver disease through multiple mechanisms. However, its role and specific mechanism in acetaminophen (APAP) -induced liver injury have not been explored. Results: In this present study, by employing an acute liver injury induced by APAP overdose mouse model, we demonstrated that DJ-1 knockout (DJ-1−/−) mice showed reduced liver injury and lower mortality. In accordance with these changes, there were also alleviating inflammatory responses in both the serum and the liver of the DJ-1−/− mice compared to those of the wild-type (WT) mice. Functional experiments showed that APAP metabolism did not affected by DJ-1 deficiency. In addition, to investigate DJ-1 modulates which kind of cell types during APAP-overdose-induced acute liver injury, hepatocyte-specific DJ-1-knockout (Alb-DJ-1−/−) and myeloid-specific DJ-1-knockout (Lysm-DJ-1−/−) mice were generated. Interestingly, hepatic deletion of DJ-1 did not protect APAP-overdose induced hepatotoxicity and inflammation, whereas Lysm-DJ-1−/− mice showed similar protective effects as DJ-1−/− mice which suggest that the protective effects of deletion of DJ-1 was through modulating myeloid cell function. Consistently, there were alleviated pro-inflammatory cells infiltration and reduced reactive oxygen species (ROS) production in the liver of Lysm-DJ-1−/− mice relative to control mice. Conclusion: our findings clearly defined that deletion of DJ-1 protects APAP-induced acute liver injury through decreasing inflammatory response, and suggest DJ-1 as a potential therapeutic and/or prophylactic target of APAP-induced acute liver injury.
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Affiliation(s)
- Bingrui Wang
- Department of Liver Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Central Laboratory, Department of Liver Diseases, ShuGuang Hospital Affiliated to Shanghai University of Chinese Traditional Medicine, Shanghai, China
| | - Jichang Li
- Central Laboratory, Department of Liver Diseases, ShuGuang Hospital Affiliated to Shanghai University of Chinese Traditional Medicine, Shanghai, China
| | - Junzhe Jiao
- Central Laboratory, Department of Liver Diseases, ShuGuang Hospital Affiliated to Shanghai University of Chinese Traditional Medicine, Shanghai, China
| | - Min Xu
- Central Laboratory, Department of Liver Diseases, ShuGuang Hospital Affiliated to Shanghai University of Chinese Traditional Medicine, Shanghai, China
| | - Yichun Luo
- Central Laboratory, Department of Liver Diseases, ShuGuang Hospital Affiliated to Shanghai University of Chinese Traditional Medicine, Shanghai, China
| | - Fang Wang
- Central Laboratory, Department of Liver Diseases, ShuGuang Hospital Affiliated to Shanghai University of Chinese Traditional Medicine, Shanghai, China
| | - Qiang Xia
- Department of Liver Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Yueqiu Gao
- Central Laboratory, Department of Liver Diseases, ShuGuang Hospital Affiliated to Shanghai University of Chinese Traditional Medicine, Shanghai, China
| | - Yu Feng
- Department of General Surgery, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xiaoni Kong
- Central Laboratory, Department of Liver Diseases, ShuGuang Hospital Affiliated to Shanghai University of Chinese Traditional Medicine, Shanghai, China
| | - Xuehua Sun
- Central Laboratory, Department of Liver Diseases, ShuGuang Hospital Affiliated to Shanghai University of Chinese Traditional Medicine, Shanghai, China
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30
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Shen D, Chu F, Lang Y, Zheng C, Li C, Liu K, Zhu J. Nuclear factor kappa B inhibitor suppresses experimental autoimmune neuritis in mice via declining macrophages polarization to M1 type. Clin Exp Immunol 2021; 206:110-117. [PMID: 34118070 DOI: 10.1111/cei.13637] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 06/10/2021] [Accepted: 06/10/2021] [Indexed: 11/28/2022] Open
Abstract
Guillain-Barré syndrome (GBS) is an acute inflammatory and immune-mediated demyelinating disease of the peripheral nervous system (PNS). Macrophages play a central role in its animal model, experimental autoimmune neuritis (EAN), which has been well accepted. Additionally, nuclear factor (NF)-κB inhibitors have been used to treat cancers and have shown beneficial effects. Here, we investigated the therapeutic effect of M2 macrophage and the NF-κB pathway's correlation with macrophage activation in EAN in C57BL/6 mice. We demonstrate that M2 macrophage transfusion could alleviate the clinical symptoms of EAN by reducing the proportion of M1 macrophage in the peak period, inhibiting the phosphorylation of NF-κB p65. The NF-κB inhibitor (BAY-11-7082) could alleviate the clinical symptoms of EAN and shorten the duration of symptoms by reducing the proportion of M1 macrophages and the expression of proinflammatory cytokines. Consequently, BAY-11-7082 exhibits strong potential as a therapeutic strategy for ameliorating EAN by influencing the balance of M1/M2 macrophages and inflammatory cytokines.
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Affiliation(s)
- Donghui Shen
- Neuroscience Center, Department of Neurology, The First Hospital of Jilin University, Changchun, China.,Neuroscience Center, Department of Neurology, Qingdao Municipal Hospital, Qingdao, China
| | - Fengna Chu
- Neuroscience Center, Department of Neurology, The First Hospital of Jilin University, Changchun, China.,Department of Neurobiology, Care Sciences and Society, Division of Neurogeriatrics, Karolinska Institute, Karolinska University Hospital Solna, Stockholm, Sweden
| | - Yue Lang
- Neuroscience Center, Department of Neurology, The First Hospital of Jilin University, Changchun, China
| | - Chao Zheng
- Neuroscience Center, Department of Neurology, The First Hospital of Jilin University, Changchun, China
| | - Chunrong Li
- Neuroscience Center, Department of Neurology, The First Hospital of Jilin University, Changchun, China
| | - Kangding Liu
- Neuroscience Center, Department of Neurology, The First Hospital of Jilin University, Changchun, China
| | - Jie Zhu
- Neuroscience Center, Department of Neurology, The First Hospital of Jilin University, Changchun, China.,Department of Neurobiology, Care Sciences and Society, Division of Neurogeriatrics, Karolinska Institute, Karolinska University Hospital Solna, Stockholm, Sweden
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Ekuban A, Zong C, Ekuban FA, Kimura Y, Takizawa R, Morikawa K, Kinoshita K, Ichihara S, Ohsako S, Ichihara G. Role of Macrophages in Cytotoxicity, Reactive Oxygen Species Production and DNA Damage in 1,2-Dichloropropane-Exposed Human Cholangiocytes In Vitro. TOXICS 2021; 9:toxics9060128. [PMID: 34205922 PMCID: PMC8228395 DOI: 10.3390/toxics9060128] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 05/24/2021] [Accepted: 05/25/2021] [Indexed: 12/13/2022]
Abstract
1,2-Dichloropropane (1,2-DCP), a synthetic chlorinated organic compound, was extensively used in the past in offset color proof-printing. In 2014, the International Agency for Research on Cancer (IARC) reclassified 1,2-DCP from its initial Group 3 to Group 1. Prior to the reclassification, cholangiocarcinoma was diagnosed in a group of workers exposed to 1,2 -DCP in an offset color proof-printing company in Japan. In comparison with other forms of cholangiocarcinoma, 1,2-DCP-induced cholangiocarcinoma was of early onset and accompanied by extensive pre-cancerous lesions in large bile ducts. However, the mechanism of 1,2-DCP-induced cholangiocarcinoma is poorly understood. Inflammatory cell proliferation was observed in various sites of the bile duct in the noncancerous hepatic tissues of the 1,2-DCP-induced cholangiocarcinoma. The aim of this study was to enhance our understanding of the mechanism of 1,2-DCP-related cholangiocarcinogenesis. We applied an in vitro system to investigate the effects of 1,2-DCP, using MMNK-1 cholangiocytes cultured alone or with THP-1 macrophages. The cultured cells were exposed to 1,2-DCP at 0, 0.1, 0.2, 0.4, and 0.8 mM for 24 h, and then assessed for cell proliferation, cell cytotoxicity, DNA damage, and ROS production. Exposure to 1,2-DCP increased proliferation of MMNK-1 cholangiocytes cultured alone, but not those cultured with macrophages. 1,2-DCP also increased LDH cytotoxicity, DNA damage, and ROS production in MMNK-1 cholangiocytes co-cultured with macrophages but not those cultured alone. 1,2-DCP increased TNFα and IL-1β protein expression in macrophages. The results highlight the role of macrophages in enhancing the effects of 1,2-DCP on cytotoxicity, ROS production, and DNA damage in cholangiocytes.
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Affiliation(s)
- Abigail Ekuban
- Department of Occupational and Environmental Health, Tokyo University of Science, Noda 278-8510, Japan; (A.E.); (C.Z.); (F.A.E.); (Y.K.); (R.T.); (K.M.)
| | - Cai Zong
- Department of Occupational and Environmental Health, Tokyo University of Science, Noda 278-8510, Japan; (A.E.); (C.Z.); (F.A.E.); (Y.K.); (R.T.); (K.M.)
| | - Frederick Adams Ekuban
- Department of Occupational and Environmental Health, Tokyo University of Science, Noda 278-8510, Japan; (A.E.); (C.Z.); (F.A.E.); (Y.K.); (R.T.); (K.M.)
| | - Yusuke Kimura
- Department of Occupational and Environmental Health, Tokyo University of Science, Noda 278-8510, Japan; (A.E.); (C.Z.); (F.A.E.); (Y.K.); (R.T.); (K.M.)
| | - Ryoya Takizawa
- Department of Occupational and Environmental Health, Tokyo University of Science, Noda 278-8510, Japan; (A.E.); (C.Z.); (F.A.E.); (Y.K.); (R.T.); (K.M.)
- Department of Environmental and Preventive Medicine, Jichi Medical University School of Medicine, Shimotsuke 329-0498, Japan;
| | - Kota Morikawa
- Department of Occupational and Environmental Health, Tokyo University of Science, Noda 278-8510, Japan; (A.E.); (C.Z.); (F.A.E.); (Y.K.); (R.T.); (K.M.)
| | - Kazuo Kinoshita
- Evolutionary Medicine, Shizuoka Graduate University of Public Health, Shizuoka 420-0881, Japan;
| | - Sahoko Ichihara
- Department of Environmental and Preventive Medicine, Jichi Medical University School of Medicine, Shimotsuke 329-0498, Japan;
| | - Seiichiroh Ohsako
- Laboratory of Environmental Health Sciences, Faculty of Medicine, University of Tokyo, Tokyo 113-8655, Japan;
| | - Gaku Ichihara
- Department of Occupational and Environmental Health, Tokyo University of Science, Noda 278-8510, Japan; (A.E.); (C.Z.); (F.A.E.); (Y.K.); (R.T.); (K.M.)
- Correspondence:
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Sharma A, Verbeke WJMI. Understanding importance of clinical biomarkers for diagnosis of anxiety disorders using machine learning models. PLoS One 2021; 16:e0251365. [PMID: 33970950 PMCID: PMC8109802 DOI: 10.1371/journal.pone.0251365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Accepted: 04/25/2021] [Indexed: 11/23/2022] Open
Abstract
Anxiety disorders are a group of mental illnesses that cause constant and overwhelming feelings of anxiety and fear. Excessive anxiety can make an individual avoid work, school, family get-togethers, and other social situations that in turn might amplify these symptoms. According to the World Health Organization (WHO), one in thirteen persons globally suffers from anxiety. It is high time to understand the roles of various clinical biomarker measures that can diagnose the types of anxiety disorders. In this study, we apply machine learning (ML) techniques to understand the importance of a set of biomarkers with four types of anxiety disorders—Generalized Anxiety Disorder (GAD), Agoraphobia (AP), Social Anxiety Disorder (SAD) and Panic Disorder (PD). We used several machine learning models and extracted the variable importance contributing to a type of anxiety disorder. The study uses a sample of 11,081 Dutch citizens’ data collected by the Lifelines, Netherlands. The results show that there are significant and low correlations among GAD, AP, PD and SAD and we extracted the variable importance hierarchy of biomarkers with respect to each type of anxiety disorder which will be helpful in designing the experimental setup for clinical trials related to influence of biomarkers on type of anxiety disorder.
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Affiliation(s)
- Amita Sharma
- Erasmus University, Rotterdam, Netherlands
- Department of Operations Research & Quantitative Analysis, Institute of Agri-Business Management, Swami Keshwanand Rajasthan Agricultural University, Bikaner, Rajasthan, India
- * E-mail:
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Friedrich B, Auger JP, Dutz S, Cicha I, Schreiber E, Band J, Boccacccini AR, Krönke G, Alexiou C, Tietze R. Hydroxyapatite-Coated SPIONs and Their Influence on Cytokine Release. Int J Mol Sci 2021; 22:ijms22084143. [PMID: 33923700 PMCID: PMC8072956 DOI: 10.3390/ijms22084143] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 04/06/2021] [Accepted: 04/14/2021] [Indexed: 12/30/2022] Open
Abstract
Hydroxyapatite- or calcium phosphate-coated iron oxide nanoparticles have a high potential for use in many biomedical applications. In this study, a co-precipitation method for the synthesis of hydroxyapatite-coated nanoparticles (SPIONHAp), was used. The produced nanoparticles have been characterized by dynamic light scattering, X-ray diffraction, vibrating sample magnetometry, Fourier transform infrared spectrometry, atomic emission spectroscopy, scanning electron microscopy, transmission electron microscopy, selected area diffraction, and energy-dispersive X-ray spectroscopy. The results showed a successful synthesis of 190 nm sized particles and their stable coating, resulting in SPIONHAp. Potential cytotoxic effects of SPIONHAp on EL4, THP-1, and Jurkat cells were tested, showing only a minor effect on cell viability at the highest tested concentration (400 µg Fe/mL). The results further showed that hydroxyapatite-coated SPIONs can induce minor TNF-α and IL-6 release by murine macrophages at a concentration of 100 µg Fe/mL. To investigate if and how such particles interact with other substances that modulate the immune response, SPIONHAp-treated macrophages were incubated with LPS (lipopolysaccharides) and dexamethasone. We found that cytokine release in response to these potent pro- and anti-inflammatory agents was modulated in the presence of SPIONHAp. Knowledge of this behavior is important for the management of inflammatory processes following in vivo applications of this type of SPIONs.
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Affiliation(s)
- Bernhard Friedrich
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, 91054 Erlangen, Germany; (B.F.); (I.C.); (E.S.); (J.B.); (C.A.)
| | - Jean-Philippe Auger
- Department of Internal Medicine 3—Rheumatology and Immunology, Universitätsklinikum Erlangen and Friedrich-Alexander University Erlangen-Nürnberg (FAU), 91054 Erlangen, Germany; (J.-P.A.); (G.K.)
| | - Silvio Dutz
- Institute of Biomedical Engineering and Informatics, Technische Universität Ilmenau, 98693 Ilmenau, Germany;
| | - Iwona Cicha
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, 91054 Erlangen, Germany; (B.F.); (I.C.); (E.S.); (J.B.); (C.A.)
| | - Eveline Schreiber
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, 91054 Erlangen, Germany; (B.F.); (I.C.); (E.S.); (J.B.); (C.A.)
| | - Julia Band
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, 91054 Erlangen, Germany; (B.F.); (I.C.); (E.S.); (J.B.); (C.A.)
| | - Aldo R. Boccacccini
- Institute of Biomaterials, Department of Materials Science and Engineering, FAU, 91058 Erlangen, Germany;
| | - Gerhard Krönke
- Department of Internal Medicine 3—Rheumatology and Immunology, Universitätsklinikum Erlangen and Friedrich-Alexander University Erlangen-Nürnberg (FAU), 91054 Erlangen, Germany; (J.-P.A.); (G.K.)
| | - Christoph Alexiou
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, 91054 Erlangen, Germany; (B.F.); (I.C.); (E.S.); (J.B.); (C.A.)
| | - Rainer Tietze
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, 91054 Erlangen, Germany; (B.F.); (I.C.); (E.S.); (J.B.); (C.A.)
- Correspondence:
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Kim Y, Kang JW, Kang J, Kwon EJ, Ha M, Kim YK, Lee H, Rhee JK, Kim YH. Novel deep learning-based survival prediction for oral cancer by analyzing tumor-infiltrating lymphocyte profiles through CIBERSORT. Oncoimmunology 2021; 10:1904573. [PMID: 33854823 PMCID: PMC8018482 DOI: 10.1080/2162402x.2021.1904573] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 02/22/2021] [Accepted: 03/13/2021] [Indexed: 01/13/2023] Open
Abstract
The tumor microenvironment (TME) within mucosal neoplastic tissue in oral cancer (ORCA) is greatly influenced by tumor-infiltrating lymphocytes (TILs). Here, a clustering method was performed using CIBERSORT profiles of ORCA data that were filtered from the publicly accessible data of patients with head and neck cancer in The Cancer Genome Atlas (TCGA) using hierarchical clustering where patients were regrouped into binary risk groups based on the clustering-measuring scores and survival patterns associated with individual groups. Based on this analysis, clinically reasonable differences were identified in 16 out of 22 TIL fractions between groups. A deep neural network classifier was trained using the TIL fraction patterns. This internally validated classifier was used on another individual ORCA dataset from the International Cancer Genome Consortium data portal, and patient survival patterns were precisely predicted. Seven common differentially expressed genes between the two risk groups were obtained. This new approach confirms the importance of TILs in the TME and provides a direction for the use of a novel deep-learning approach for cancer prognosis.
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Affiliation(s)
- Yeongjoo Kim
- Interdisplinary Program of Genomic Science, Pusan National University, Yangsan, Republic of Korea
- Department of Biomedical Informatics, School of Medicine, Pusan National University, Yangsan, Republic of Korea
| | - Ji Wan Kang
- Interdisplinary Program of Genomic Science, Pusan National University, Yangsan, Republic of Korea
- Department of Biomedical Informatics, School of Medicine, Pusan National University, Yangsan, Republic of Korea
| | - Junho Kang
- Interdisplinary Program of Genomic Science, Pusan National University, Yangsan, Republic of Korea
- Department of Biomedical Informatics, School of Medicine, Pusan National University, Yangsan, Republic of Korea
| | - Eun Jung Kwon
- Interdisplinary Program of Genomic Science, Pusan National University, Yangsan, Republic of Korea
- Department of Biomedical Informatics, School of Medicine, Pusan National University, Yangsan, Republic of Korea
| | - Mihyang Ha
- Interdisplinary Program of Genomic Science, Pusan National University, Yangsan, Republic of Korea
- Department of Biomedical Informatics, School of Medicine, Pusan National University, Yangsan, Republic of Korea
| | - Yoon Kyeong Kim
- Interdisplinary Program of Genomic Science, Pusan National University, Yangsan, Republic of Korea
- Department of Biomedical Informatics, School of Medicine, Pusan National University, Yangsan, Republic of Korea
| | - Hansong Lee
- Interdisplinary Program of Genomic Science, Pusan National University, Yangsan, Republic of Korea
- Department of Biomedical Informatics, School of Medicine, Pusan National University, Yangsan, Republic of Korea
| | - Je-Keun Rhee
- School of Systems Biomedical Science, Soongsil University, Seoul, Republic of Korea
| | - Yun Hak Kim
- Department of Biomedical Informatics, School of Medicine, Pusan National University, Yangsan, Republic of Korea
- Department of Anatomy, School of Medicine, Pusan National University, Yangsan, Republic of Korea
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Wheatgrass inhibits the lipopolysaccharide-stimulated inflammatory effect in RAW 264.7 macrophages. Curr Res Toxicol 2021; 2:116-127. [PMID: 34345856 PMCID: PMC8320646 DOI: 10.1016/j.crtox.2021.02.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 02/11/2021] [Accepted: 02/18/2021] [Indexed: 12/29/2022] Open
Abstract
Wheatgrass extract inhibits production of nitric oxide and reactive oxygen species. Wheatgrass extract inhibits production of pro-inflammatory and inflammatory markers. Molecular docking suggests inhibition of COX-2 by major metabolites of wheatgrass.
Inflammation is a multifaceted set of cellular communications generated against foreign infection, toxic influence or autoimmune injury. The present study investigates the anti-inflammatory effect of wheatgrass extract against the harmful impact of lipopolysaccharide (LPS) in macrophage cells, i.e., RAW 264.7 cells. Our results indicate that 5- and 7- days old wheatgrass extracts inhibit the LPS-stimulated production of nitric oxide. Moreover, wheatgrass extract significantly downregulates the mRNA expression of LPS-stimulated various pro-inflammatory markers, tumor necrosis factor-α, interleukin-6, interleukin-1β, AP-1 and also iNOS-2 and COX-2. Our flow cytometry analyses confirmed that wheatgrass extract prevents the generation of reactive oxygen species in LPS-stimulated RAW 264.7 cells, thus arresting oxidative stress in cells. The immunoblot analyses also confirmed a significant reduction in the expression of inflammatory proteins, namely, iNOS-2 and COX-2, in wheatgrass extract-treated cells, compared to LPS-stimulated condition. The NF-κB transactivation assay further confirmed the inhibitory effect of wheatgrass extracts on the LPS-stimulated expression of NF-κB. Molecular docking based studies showed the plausible binding of two significant wheatgrass constituents, i.e., apigenin and myo-inositol with COX-2 protein, with binding energies of −10.59 kcal/mol and −7.88 kcal/mol, respectively. Based on the above results, wheatgrass may be considered as a potential therapeutic candidate for preventing inflammation.
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Fang SY, Chen JL, Chiu MH, Huang CC, Lin MW, Lam CF. Distinct phenotypic expression levels of macrophages in neonatal lungs. Exp Ther Med 2021; 21:369. [PMID: 33732342 PMCID: PMC7903444 DOI: 10.3892/etm.2021.9800] [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: 10/21/2019] [Accepted: 06/02/2020] [Indexed: 11/25/2022] Open
Abstract
Alveolar macrophages are the front-line defense against environmental pathogens. However, to the best of our knowledge, differences in function and phenotypic expression levels of macrophages between neonatal and adult lungs have not previously been determined. The present study investigated lung tissues and analyzed blood samples to find cell markers of M1 and M2 macrophages in neonatal and adult rats. Pulmonary sepsis was induced by intrapleural instillation of lipopolysaccharide (LPS; 20 mg/kg) and survival time after administration of LPS was measured. In certain neonates, a selective inducible nitric oxide synthase (iNOS) inhibitor, 1400w, was administered prior to induction of pulmonary sepsis. Compared with adults, fetal and neonatal lung tissues had significantly higher levels of iNOS and CD86 (M1 markers), whereas the expression levels of CD206 and arginase-1 (M2 markers) were lower in the neonatal lung. The circulating cells that co-expressed CD68 (monocytes and macrophages) and CD86 in the blood were also significantly higher in neonates than in adults (25.9±6.6 vs. 11.6±2.2%; P=0.007. At basal unstimulated conditions, lung tissue concentrations of nitrite and nitrate (NOx) were significantly lower in the neonates than in adults (112.1±55.9 vs. 340.9±124.9 µM/g; P<0.001). However, NOx was increased following administration of LPS. Administration of 1400w suppressed lung tissue levels of NOx and improved the survival time in neonatal rats treated with LPS. The present study demonstrated that M1 is the primary macrophage phenotype in the neonatal lung and that higher iNOS expression levels do not have a protective effect against pulmonary endotoxins in neonates. Overproduction of NO by iNOS in neonatal alveolar macrophages may result in detrimental effects during pulmonary inflammation.
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Affiliation(s)
- Shih-Yuan Fang
- Department of Anesthesiology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 704, Taiwan, R.O.C
| | - Jen-Lung Chen
- Department of Surgery, E-Da Hospital/E-Da Cancer Hospital, I-Shou University, Kaohsiung 824, Taiwan, R.O.C
| | - Meng-Hsuan Chiu
- Department of Anesthesiology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 704, Taiwan, R.O.C
| | - Chien-Chi Huang
- Department of Medical Research, E-Da Hospital/E-Da Cancer Hospital, I-Shou University, Kaohsiung 824, Taiwan, R.O.C
| | - Ming-Wei Lin
- Department of Medical Research, E-Da Hospital/E-Da Cancer Hospital, I-Shou University, Kaohsiung 824, Taiwan, R.O.C
| | - Chen-Fuh Lam
- Department of Anesthesiology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 704, Taiwan, R.O.C.,Department of Anesthesiology, E-Da Hospital/E-Da Cancer Hospital, I-Shou University, Kaohsiung 824, Taiwan, R.O.C.,School of Medicine, College of Medicine, I-Shou University, Kaohsiung 824, Taiwan, R.O.C
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Alqassim EY, Sharma S, Khan ANMNH, Emmons TR, Cortes Gomez E, Alahmari A, Singel KL, Mark J, Davidson BA, Robert McGray AJ, Liu Q, Lichty BD, Moysich KB, Wang J, Odunsi K, Segal BH, Baysal BE. RNA editing enzyme APOBEC3A promotes pro-inflammatory M1 macrophage polarization. Commun Biol 2021; 4:102. [PMID: 33483601 PMCID: PMC7822933 DOI: 10.1038/s42003-020-01620-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 12/15/2020] [Indexed: 02/07/2023] Open
Abstract
Pro-inflammatory M1 macrophage polarization is associated with microbicidal and antitumor responses. We recently described APOBEC3A-mediated cytosine-to-uracil (C > U) RNA editing during M1 polarization. However, the functional significance of this editing is unknown. Here we find that APOBEC3A-mediated cellular RNA editing can also be induced by influenza or Maraba virus infections in normal human macrophages, and by interferons in tumor-associated macrophages. Gene knockdown and RNA_Seq analyses show that APOBEC3A mediates C>U RNA editing of 209 exonic/UTR sites in 203 genes during M1 polarization. The highest level of nonsynonymous RNA editing alters a highly-conserved amino acid in THOC5, which encodes a nuclear mRNA export protein implicated in M-CSF-driven macrophage differentiation. Knockdown of APOBEC3A reduces IL6, IL23A and IL12B gene expression, CD86 surface protein expression, and TNF-α, IL-1β and IL-6 cytokine secretion, and increases glycolysis. These results show a key role of APOBEC3A cytidine deaminase in transcriptomic and functional polarization of M1 macrophages.
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Affiliation(s)
- Emad Y Alqassim
- Department of Cancer Prevention and Control, Roswell Park Comprehensive Cancer Center, Buffalo, NY, 14203, USA
- Department of Pathology, Faculty of Medicine, Jazan University, Jazan, 45142, Saudi Arabia
| | - Shraddha Sharma
- Department of Pathology, Roswell Park Comprehensive Cancer Center, Buffalo, NY, 14203, USA
- Translate Bio, Lexington, MA, 02421, USA
| | - A N M Nazmul H Khan
- Department of Internal Medicine,, Roswell Park Comprehensive Cancer Center, Buffalo, NY, 14203, USA
| | - Tiffany R Emmons
- Department of Immunology,, Roswell Park Comprehensive Cancer Center, Buffalo, NY, 14203, USA
| | - Eduardo Cortes Gomez
- Department of Biostatistics/Bioinformatics, Roswell Park Comprehensive Cancer Center, Buffalo, NY, 14203, USA
| | - Abdulrahman Alahmari
- Department of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, NY, 14203, USA
- Department of Medical Laboratory Sciences, Prince Sattam Bin Abdulaziz University, Al-Kharj, 16278, Saudi Arabia
| | - Kelly L Singel
- Department of Immunology,, Roswell Park Comprehensive Cancer Center, Buffalo, NY, 14203, USA
- Office of Evaluation, Performance, and Reporting, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Jaron Mark
- Department of Gynecologic Oncology,, Roswell Park Comprehensive Cancer Center, Buffalo, NY, 14203, USA
- The Start Center for Cancer Care, 4383 Medical Drive, San Antonio, TX, 78229, USA
| | - Bruce A Davidson
- Departments of Anesthesiology, Pathology and Anatomical Sciences, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, 14203, USA
| | - A J Robert McGray
- Center for Immunotherapy, Roswell Park Comprehensive Cancer Center, Buffalo, NY, 14203, USA
| | - Qian Liu
- Department of Biostatistics/Bioinformatics, Roswell Park Comprehensive Cancer Center, Buffalo, NY, 14203, USA
| | - Brian D Lichty
- McMaster Immunology Research Centre, McMaster University, 1200 Main St W, Hamilton, ON, L8N 3Z5, Canada
| | - Kirsten B Moysich
- Department of Cancer Prevention and Control, Roswell Park Comprehensive Cancer Center, Buffalo, NY, 14203, USA
| | - Jianmin Wang
- Department of Biostatistics/Bioinformatics, Roswell Park Comprehensive Cancer Center, Buffalo, NY, 14203, USA
| | - Kunle Odunsi
- Department of Immunology,, Roswell Park Comprehensive Cancer Center, Buffalo, NY, 14203, USA
- Department of Gynecologic Oncology,, Roswell Park Comprehensive Cancer Center, Buffalo, NY, 14203, USA
- Center for Immunotherapy, Roswell Park Comprehensive Cancer Center, Buffalo, NY, 14203, USA
| | - Brahm H Segal
- Department of Internal Medicine,, Roswell Park Comprehensive Cancer Center, Buffalo, NY, 14203, USA.
- Department of Immunology,, Roswell Park Comprehensive Cancer Center, Buffalo, NY, 14203, USA.
- Departments of Medicine, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, 14203, USA.
| | - Bora E Baysal
- Department of Pathology, Roswell Park Comprehensive Cancer Center, Buffalo, NY, 14203, USA.
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Lin Y, Ding S, Chen Y, Xiang M, Xie Y. Cardiac Adipose Tissue Contributes to Cardiac Repair: a Review. Stem Cell Rev Rep 2021; 17:1137-1153. [PMID: 33389679 DOI: 10.1007/s12015-020-10097-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/25/2020] [Indexed: 02/06/2023]
Abstract
Cardiac adipose tissue is a metabolically active adipose tissue in close proximity to heart. Recent studies emphasized the benefits of cardiac adipose tissue in heart remodeling, such as reducing infarction size, enhancing neovascularization and regulating immune response, through a series of cellular mechanisms. In the present manuscript, we provide a comprehensive review regarding the role of cardiac adipose tissue in cardiac repair. We focus on different cardiac adipose tissues according to their distinguished anatomical structures. This review summarizes the latest evidence on the relationship between cardiac adipose tissue and cardiac repair. Cardiac adipose tissues (CAT) were systematically reviewed in the current manuscript which focused on the components of CAT, debates about cardiac adipose stem cells and their effect on heart.
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Affiliation(s)
- Yan Lin
- Department of Cardiology, Cardiovascular Key Laboratory of Zhejiang Province, The Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou, 310009, Zhejiang, China
| | - Siyin Ding
- Department of Cardiology, Cardiovascular Key Laboratory of Zhejiang Province, The Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou, 310009, Zhejiang, China
| | - Yuwen Chen
- Department of Cardiology, Cardiovascular Key Laboratory of Zhejiang Province, The Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou, 310009, Zhejiang, China
| | - Meixiang Xiang
- Department of Cardiology, Cardiovascular Key Laboratory of Zhejiang Province, The Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou, 310009, Zhejiang, China.
| | - Yao Xie
- Department of Cardiology, Cardiovascular Key Laboratory of Zhejiang Province, The Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou, 310009, Zhejiang, China.
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Liebig BE, Kisiday JD, Bahney CS, Ehrhart NP, Goodrich LR. The platelet-rich plasma and mesenchymal stem cell milieu: A review of therapeutic effects on bone healing. J Orthop Res 2020; 38:2539-2550. [PMID: 32589800 PMCID: PMC8354210 DOI: 10.1002/jor.24786] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Revised: 06/15/2020] [Accepted: 06/24/2020] [Indexed: 02/04/2023]
Abstract
Platelet-rich plasma is autologous plasma that contains concentrated platelets compared to whole blood. It is relatively inexpensive to produce, can be easily isolated from whole blood, and can be administered while the patient is in the operating room. Further, because platelet-rich plasma is an autologous therapy, there is minimal risk for adverse reactions to the patient. Platelet-rich plasma has been used to promote bone regeneration due to its abundance of concentrated growth factors that are essential to wound healing. In this review, we summarize the methods for producing platelet-rich plasma and the history of its use in bone regeneration. We also summarize the growth factor profiles derived from platelet-rich plasma, with emphasis on those factors that play a direct role in promoting bone repair within the local fracture environment. In addition, we discuss the potential advantages of combining platelet-rich plasma with mesenchymal stem cells, a multipotent cell type often obtained from bone marrow or fat, to improve craniofacial and long bone regeneration. We detail what is currently known about how platelet-rich plasma influences mesenchymal stem cells in vitro, and then highlight the clinical outcomes of administering platelet-rich plasma and mesenchymal stem cells as a combination therapy to promote bone regeneration in vivo.
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Affiliation(s)
- Bethany E. Liebig
- Department of Clinical Sciences, Orthopaedic Research Center, Translational Medicine Institute, College of Veterinary Medicine, Colorado State University, Fort Collins, Colorado
| | - John D. Kisiday
- Department of Clinical Sciences, Orthopaedic Research Center, Translational Medicine Institute, College of Veterinary Medicine, Colorado State University, Fort Collins, Colorado
| | - Chelsea S. Bahney
- Center for Regenerative Sports Medicine, Steadman Philippon Research Institute, Vail, Colorado
| | - Nicole P. Ehrhart
- Department of Clinical Sciences, Flint Animal Cancer Center, College of Veterinary Medicine, Colorado State University, Fort Collins, Colorado
| | - Laurie R. Goodrich
- Department of Clinical Sciences, Orthopaedic Research Center, Translational Medicine Institute, College of Veterinary Medicine, Colorado State University, Fort Collins, Colorado
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Pei X, Liu J, Liu M, Zhou H, Wang X, Fan H. Quantitative proteomics revealed modulation of macrophages by MetQ gene of Streptococcus suis serotype 2. AMB Express 2020; 10:195. [PMID: 33125582 PMCID: PMC7599288 DOI: 10.1186/s13568-020-01131-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Accepted: 10/18/2020] [Indexed: 11/10/2022] Open
Abstract
Streptococcus suis serotype 2 (SS2) is a serious zoonotic pathogen; it can lead to symptoms of streptococcal toxic shock syndrome (STSS) in humans and sepsis in pigs, and poses a great threat to public health. The SS2 MetQ gene deletion strain has attenuated antiphagocytosis, although the mechanism of antiphagocytosis and pathogenesis of MetQ in SS2 has remained unclear. In this study, stable isotope labeling by amino acids in cell culture (SILAC) based liquid chromatography–mass spectrometry (LC–MS) and subsequent bioinformatics analysis was used to determine differentially expressed proteins of RAW264.7 cells infected with △MetQ and ZY05719. Proteomic results were verified by quantitative real-time polymerase chain reaction (qRT-PCR) and Western blotting for selected proteins. Further research was focused mainly on immune system processes related to downregulated proteins, such as Src and Ccl9, and actin cytoskeleton and endocytosis related upregulated proteins, like Pstpip1 and Ppp1r9b. The proteomic results in this study shed light on the mechanism of antiphagocytosis and innate immunity of macrophages infected with △MetQ and ZY05719, which might provide novel targets to prevent or control the infection of SS2.
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Bhat TA, Kalathil SG, Miller A, Thatcher TH, Sime PJ, Thanavala Y. Specialized Proresolving Mediators Overcome Immune Suppression Induced by Exposure to Secondhand Smoke. THE JOURNAL OF IMMUNOLOGY 2020; 205:3205-3217. [PMID: 33115852 DOI: 10.4049/jimmunol.2000711] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 10/01/2020] [Indexed: 12/17/2022]
Abstract
Tobacco smoke exposure is associated with multiple diseases including, respiratory diseases like asthma and chronic obstructive pulmonary disease. Tobacco smoke is a potent inflammatory trigger and is immunosuppressive, contributing to increased susceptibility to pulmonary infections in smokers, ex-smokers, and vulnerable populations exposed to secondhand smoke. Tobacco smoke exposure also reduces vaccine efficacy. Therefore, mitigating the immunosuppressive effects of chronic smoke exposure and improving the efficacy of vaccinations in individuals exposed to tobacco smoke, is a critical unmet clinical problem. We hypothesized that specialized proresolving mediators (SPMs), a class of immune regulators promoting resolution of inflammation, without being immunosuppressive, and enhancing B cell Ab responses, could reverse the immunosuppressive effects resulting from tobacco smoke exposure. We exposed mice to secondhand smoke for 8 wk, followed by a period of smoke exposure cessation, and the mice were immunized with the P6 lipoprotein from nontypeable Haemophilus influenzae, using 17-HDHA and aspirin-triggered-resolvin D1 (AT-RvD1) as adjuvants. 17-HDHA and AT-RvD1 used as adjuvants resulted in elevated serum and bronchoalveolar lavage levels of anti-P6-specific IgG and IgA that were protective, with immunized mice exhibiting more rapid bacterial clearance upon challenge, reduced pulmonary immune cell infiltrates, reduced production of proinflammatory cytokines, and less lung-epithelial cell damage. Furthermore, the treatment of mice with AT-RvD1 during a period of smoke-cessation further enhanced the efficacy of SPM-adjuvanted P6 vaccination. Overall, SPMs show promise as novel vaccine adjuvants with the ability to overcome the tobacco smoke-induced immunosuppressive effects.
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Affiliation(s)
- Tariq A Bhat
- Department of Immunology, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263
| | - Suresh Gopi Kalathil
- Department of Immunology, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263
| | - Austin Miller
- Department of Biostatistics, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263
| | - Thomas H Thatcher
- Department of Medicine, University of Rochester, Rochester, NY 14620; and.,Department of Environmental Medicine, University of Rochester, Rochester, NY 14620
| | - Patricia J Sime
- Department of Medicine, University of Rochester, Rochester, NY 14620; and.,Department of Environmental Medicine, University of Rochester, Rochester, NY 14620
| | - Yasmin Thanavala
- Department of Immunology, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263;
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Jeong† M, Kim† JH, Lee JS, Kang SD, Shim S, Jung MY, Yang H, Byun S, Lee KW. Heat-Killed Lactobacillus brevis Enhances Phagocytic Activity and Generates Immune-Stimulatory Effects through Activating the TAK1 Pathway. J Microbiol Biotechnol 2020; 30:1395-1403. [PMID: 32627755 PMCID: PMC9728231 DOI: 10.4014/jmb.2002.02004] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 05/26/2020] [Accepted: 06/17/2020] [Indexed: 12/15/2022]
Abstract
There is an increasing interest in using inactivated probiotics to modulate the host immune system and protect against pathogens. As the immunomodulatory function of heat-killed Lactobacillus brevis KCTC 12777BP (LBB) and its mechanism is unclear, we investigated the effect of LBB on immune response based on the hypothesis that LBB might exert stimulatory effects on immunity. In the current study, we demonstrate that administration of LBB can exert immune-stimulatory effects and promote clearance of foreign matters through enhancing phagocytosis. Treatment with LBB induced the production of TNF-α, IL-6, and nitric oxide in macrophages. Importantly, LBB directly increased the phagocytic activity of macrophages against bacterial particles. LBB was able to promote the production of TNF-α in bone marrow-derived macrophages and splenocytes and also increase the proliferation rate of splenocytes, suggesting that the immune-stimulating activity of LBB can be observed in primary immune cells. Investigation into the molecular mechanism responsible revealed that LBB upregulates TAK1 activity and its downstream ERK, p38, and JNK signaling pathways. To further confirm the immunomodulatory capability of LBB in vivo, we orally administered LBB to mice and assessed the effect on primary splenocytes. Splenocytes isolated from LBB-treated mice exhibited higher TNF-α expression and proliferative capacity. These results show that heat-killed L. brevis, a wildly consumed probiotic, may provide protection against pathogens through enhancing host immunity.
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Affiliation(s)
- Minju Jeong†
- Department of Agricultural Biotechnology, Seoul National University, Seoul 08826, Republic of Korea
| | - Jae Hwan Kim†
- Department of Agricultural Biotechnology, Seoul National University, Seoul 08826, Republic of Korea
| | - Ji Su Lee
- Division of Bioengineering, Incheon National University, Incheon 22012, Republic of Korea
| | - Shin Dal Kang
- Research Institute of Food and Biotechnology, SPC Group, Seoul 151742, Republic of Korea
| | - Sangmin Shim
- Research Institute of Food and Biotechnology, SPC Group, Seoul 151742, Republic of Korea
| | - Moon Young Jung
- Research Institute of Food and Biotechnology, SPC Group, Seoul 151742, Republic of Korea
| | - Hee Yang
- Advanced Institutes of Convergence Technology, Seoul National University, Suwon 16229, Republic of Korea,Center for Food and Bioconvergence, Seoul National University, Seoul 08826, Republic of Korea
| | - Sanguine Byun
- Department of Biotechnology, Yonsei University, Seoul 03722, Republic of Korea,Corresponding authors K.W.L. Phone: +82-2-880-4662 E-mail:
| | - Ki Won Lee
- Department of Agricultural Biotechnology, Seoul National University, Seoul 08826, Republic of Korea,Advanced Institutes of Convergence Technology, Seoul National University, Suwon 16229, Republic of Korea,Center for Food and Bioconvergence, Seoul National University, Seoul 08826, Republic of Korea,Corresponding authors K.W.L. Phone: +82-2-880-4662 E-mail:
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43
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Jang M, Hwang I, Hwang B, Kim G. Anti-inflammatory effect of Antirrhinum majus extract in lipopolysaccharide-stimulated RAW 264.7 macrophages. Food Sci Nutr 2020; 8:5063-5070. [PMID: 32994966 PMCID: PMC7500786 DOI: 10.1002/fsn3.1805] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 07/08/2020] [Accepted: 07/14/2020] [Indexed: 11/23/2022] Open
Abstract
Antirrhinum majus (AM) has attracted attention as a rich source of phytochemicals, which are beneficial for human health. However, the anti-inflammatory effects of AM have not been studied scientifically. Therefore, we investigated the antioxidative properties and anti-inflammatory effects of AM extract (AME) in lipopolysaccharide (LPS)-stimulated RAW 264.7 macrophages. AME showed high radical-scavenging ability. Viability of RAW 264.7 cells was not significantly altered by AME at the concentrations of 0-300 µg/ml. LPS-induced nitric oxide (NO) production was decreased by treatment with 0-300 µg/ml AME in a concentration-dependent manner. AME pretreatment significantly inhibited the protein expression of inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2) in a concentration-dependent manner. AME also considerably inhibited the mRNA and protein expression of inflammatory cytokines, such as tumor necrosis factor-a (TNF-α), interleukin-1 β (IL-1β), and interleukin-6 (IL-6). These findings provide a foundation for further studies and use of AM in nutraceuticals.
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Affiliation(s)
- Mi Jang
- National Academy of Agricultural ScienceRural Development AdministrationJeonjuKorea
| | - Inguk Hwang
- National Academy of Agricultural ScienceRural Development AdministrationJeonjuKorea
| | - Byungsoon Hwang
- National Academy of Agricultural ScienceRural Development AdministrationJeonjuKorea
| | - Gichang Kim
- National Academy of Agricultural ScienceRural Development AdministrationJeonjuKorea
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Su J, Sun J, Jian T, Zhang G, Ling J. Immunomodulatory and Antioxidant Effects of Polysaccharides from the Parasitic Fungus Cordyceps kyushuensis. BIOMED RESEARCH INTERNATIONAL 2020; 2020:8257847. [PMID: 32908915 PMCID: PMC7475740 DOI: 10.1155/2020/8257847] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 07/22/2020] [Accepted: 07/27/2020] [Indexed: 01/05/2023]
Abstract
The ascomycete Cordyceps genus has been used as valued traditional Chinese medicine. Cordyceps kyushuensis is a unique species of Cordyceps, which parasitizes on the larvae of Clanis bilineata Walker, and its major component cordycepin and aqueous extract are known to have many pharmacological effects. However, the physiological function of water-soluble polysaccharides has not been explored in detail. In this study, to resolve these doubts, we extracted and separated Cordyceps-derived polysaccharides and then evaluated the immunomodulatory and antioxidant activities. Four polysaccharide fractions were purified from Cordyceps-cultured stroma by DEAE-cellulose 23 and Sephadex G-150 column chromatography. Basic structural information was elucidated on the basis of physicochemical property and spectroscopic evidences. The antioxidant activities were evaluated by a 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical method and protective effect of DNA damage. The qualified immunologic activities were also determined in vivo and in vitro. The polysaccharides could stimulate the proliferation of mouse splenocytes whether concanavalin A (ConA) and lipopolysaccharide (LPS) existed or not, strengthen peritoneal macrophages to devour neutral red, and increase the content of interleukin-2 (IL-2) and tumor necrosis factor-alpha (TNF-α) in serum. The research provides the corresponding evidence for Cordyceps polysaccharides as a potential candidate for functional foods and therapeutic agents.
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Affiliation(s)
- Jinjuan Su
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, Shandong 266237, China
| | - Jing Sun
- Dezhou People's Hospital, Dezhou, Shandong 253056, China
| | - Tongtong Jian
- Shandong University of Traditional Chinese Medicine, Jinan Shandong 250014, China
| | - Guoying Zhang
- Shandong University of Traditional Chinese Medicine, Jinan Shandong 250014, China
| | - Jianya Ling
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, Shandong 266237, China
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Wang B, Hussain A, Zhou Y, Zeng Z, Wang Q, Zou P, Gong L, Zhao P, Li W. Saccharomyces boulardii attenuates inflammatory response induced by Clostridium perfringens via TLR4/TLR15-MyD8 pathway in HD11 avian macrophages. Poult Sci 2020; 99:5356-5365. [PMID: 33142452 PMCID: PMC7647824 DOI: 10.1016/j.psj.2020.07.045] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2020] [Revised: 06/29/2020] [Accepted: 07/06/2020] [Indexed: 02/08/2023] Open
Abstract
Macrophages are professional phagocytic cells that play a critical role in initiating immune responses by presenting antigen and phagocytic clearance. The macrophages can be targeted for immunomodulation by beneficial microbes, such as probiotics. The aim of this study is to investigate the protective effect of Saccharomyces boulardii against Clostridium perfringens infection in avian macrophage cell line HD11. In this study, HD11 macrophages were prestimulated with S. boulardii for 6 h and then infected with C. perfringens for 3 h. Results showed that S. boulardii enhanced phagocytosis and bactericidal capacity against C. perfringens by HD11 cells. The S. boulardii effectively promoted the mRNA expression of CD80, CD83, and CD197 cell-surface molecules in C. perfringens-infected HD11 cells. Moreover, we found that prestimulation with S. boulardii reduced the mRNA expression of CD40, toll-like receptor [TLR] 4, and TLR15 induced by C. perfringens and thereby downregulated the mRNA expression of myeloid differentiation primary response 88, TNF receptor associated factor 6, nuclear factor kappa-B p65 subunit, and c-Jun N-terminal kinase genes in HD11 cells. The upregulation of cytokines (interleukin [IL]-6, tumor necrosis factor alpha, and IL-10) and inducible nitric oxide synthase mRNA expression in C. perfringens-infected HD11 cells were noticeably inhibited by S. boulardii pretreatment. Conclusively, these results might provide a new insight into the role of S. boulardii in regulating avian immune defense against C. perfringens invasion and immune escape.
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Affiliation(s)
- Baikui Wang
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Institute of Animal Nutrition and Feed Sciences, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Altaf Hussain
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Institute of Animal Nutrition and Feed Sciences, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China; Department of Poultry Science, University of Agriculture Faisakabad, Faisalabad 38000, Pakistan
| | - Yuanhao Zhou
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Institute of Animal Nutrition and Feed Sciences, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Zihan Zeng
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Institute of Animal Nutrition and Feed Sciences, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Qi Wang
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Institute of Animal Nutrition and Feed Sciences, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Peng Zou
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Institute of Animal Nutrition and Feed Sciences, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Li Gong
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Institute of Animal Nutrition and Feed Sciences, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China; School of Life Science and Engineering, Foshan University, Foshan, Guangdong Province 528225, China
| | - Pengwei Zhao
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Institute of Animal Nutrition and Feed Sciences, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China.
| | - Weifen Li
- Key Laboratory of Molecular Animal Nutrition of the Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science (Eastern of China) of the Ministry of Agriculture, Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Institute of Animal Nutrition and Feed Sciences, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China.
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Mitochondria, immunosenescence and inflammaging: a role for mitokines? Semin Immunopathol 2020; 42:607-617. [PMID: 32757036 PMCID: PMC7666292 DOI: 10.1007/s00281-020-00813-0] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Accepted: 07/28/2020] [Indexed: 02/08/2023]
Abstract
A global reshaping of the immune responses occurs with ageing, indicated as immunosenescence, where mitochondria and mitochondrial metabolism play an important role. However, much less is known about the role of mitochondrial stress response in this reshaping and in particular of the molecules induced by such response, collectively indicated as mitokines. In this review, we summarize the current knowledge on the role of mitokines in modulating immune response and inflammation focusing on GDF15, FGF21 and humanin and their possible involvement in the chronic age-related low-grade inflammation dubbed inflammaging. Although many aspects of their biology are still controversial, available data suggest that these mitokines have an anti-inflammatory role and increase with age. Therefore, we hypothesize that they can be considered part of an adaptive and integrated immune-metabolic mechanism activated by mitochondrial dysfunction that acts within the framework of a larger anti-inflammatory network aimed at controlling both acute inflammation and inflammaging.
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Abstract
Acetaminophen (APAP)-induced acute liver failure (ALF) is a life-threatening disease with only a few treatment options available. Though extensive research has been conducted for more than 40 years, the underlying pathomechanisms are not completely understood. Here, we studied as to whether APAP-induced ALF can be prevented in mice by silencing the BH3-interacting domain death agonist (Bid) as a potential key player in APAP pathology. For silencing Bid expression in mice, siRNABid was formulated with the liver-specific siRNA delivery system DBTC and administered 48 h prior to APAP exposure. Mice which were pre-treated with HEPES (vehicleHEPES) and siRNALuci served as siRNA controls. Hepatic pathology was assessed by in vivo fluorescence microscopy, molecular biology, histology and laboratory analysis 6 h after APAP or PBS exposure. Application of siRNABid caused a significant decrease of mRNA and protein expression of Bid in APAP-exposed mice. Off-targets, such as cytochrome P450 2E1 and glutathione, which are known to be consumed under APAP intoxication, were comparably reduced in all APAP-exposed mice, underlining the specificity of Bid silencing. In APAP-exposed mice non-sterile inflammation with leukocyte infiltration and perfusion failure remained almost unaffected by Bid silencing. However, the Bid silencing reduced hepatocellular damage, evident by a remarkable decrease of DNA fragmented cells in APAP-exposed mice. In these mice, the expression of the pro-apoptotic protein Bax, which recently gained importance in the cell death pathway of regulated necrosis, was also significantly reduced, in line with a decrease in both, necrotic liver tissue and plasma transaminase activities. In addition, plasma levels of HMGB1, a marker of sterile inflammation, were significantly diminished. In conclusion, the liver-specific silencing of Bid expression did not protect APAP-exposed mice from microcirculatory dysfunction, but markedly protected the liver from necrotic cell death and in consequence from sterile inflammation. The study contributes to the understanding of the molecular mechanism of the APAP-induced pathogenic pathway by strengthening the importance of Bid and Bid silencing associated effects.
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Zhao L, Zhang J, Hu C, Wang T, Lu J, Wu C, Chen L, Jin M, Ji G, Cao Q, Jiang Y. Apigenin Prevents Acetaminophen-Induced Liver Injury by Activating the SIRT1 Pathway. Front Pharmacol 2020; 11:514. [PMID: 32425778 PMCID: PMC7212374 DOI: 10.3389/fphar.2020.00514] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Accepted: 04/01/2020] [Indexed: 01/29/2023] Open
Abstract
Acetaminophen (APAP) overdose is the main cause of acute liver failure. Apigenin (API) is a natural dietary flavonol with high antioxidant capacity. Herein, we investigated protection by API against APAP-induced liver injury in mice, and explored the potential mechanism. Cell viability assays and mice were used to evaluate the effects of API against APAP-induced liver injury. Western blotting, immunofluorescence staining, RT-PCR, and Transmission Electron Microscope were carried out to determine the signalling pathways affected by API. Analysis of mouse serum levels of alanine/aspartate aminotransferase (ALT/AST), malondialdehyde (MDA), liver myeloperoxidase (MPO) activity, glutathione (GSH), and reactive oxygen species (ROS) revealed that API (80 mg/kg) owned protective effect on APAP-induced liver injury. Meanwhile, API ameliorated the decreased cell viability in L-02 cells incubated by APAP with a dose dependent. Furthermore, API promoted SIRT1 expression and deacetylated p53. Western blotting showed that API promoted APAP-induced autophagy, activated the NRF2 pathway, and inhibited the transcriptional activation of nuclear p65 in the presence of APAP. Furthermore, SIRT1 inhibitor EX-527 reduced protection by API against APAP-induced hepatotoxicity. Molecular docking results indicate potential interaction between API and SIRT1. API prevents APAP-induced liver injury by regulating the SIRT1-p53 axis, thereby promoting APAP-induced autophagy and ameliorating APAP-induced inflammatory responses and oxidative stress injury.
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Affiliation(s)
- Licong Zhao
- Department of Gastroenterology, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Department of Second Clinical College, China Medical University, Shenyang, China
| | - Jiaqi Zhang
- Experiment Center for Science and Technology, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Cheng Hu
- Experiment Center for Science and Technology, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Tao Wang
- Department of Gastroenterology, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Juan Lu
- Department of Gastroenterology, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Chenqu Wu
- Department of Gastroenterology, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Long Chen
- Experiment Center for Science and Technology, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Mingming Jin
- Shanghai University of Medicine & Health Sciences of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Guang Ji
- Institute of Digestive Diseases, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Qin Cao
- Department of Gastroenterology, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yuanye Jiang
- Department of Gastroenterology, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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Koltermann-Jülly J, Ma-Hock L, Gröters S, Landsiedel R. Appearance of Alveolar Macrophage Subpopulations in Correlation With Histopathological Effects in Short-Term Inhalation Studies With Biopersistent (Nano)Materials. Toxicol Pathol 2020; 48:446-464. [PMID: 32162596 DOI: 10.1177/0192623319896347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Following inhalation and deposition in the alveolar region at sufficient dose, biopersistent (nano)materials generally provoke pulmonary inflammation. Alveolar macrophages (AMs) are mediators of pulmonary immune responses and were broadly categorized in pro-inflammatory M1 and anti-inflammatory M2 macrophages. This study aimed at identifying AM phenotype as M1 or M2 upon short-term inhalation exposure to different (nano)materials followed by a postexposure period. Phenotyping of AM was retrospectively performed using immunohistochemistry. M1 (CD68+iNOS+) and M2 (CD68+CD206+ and CD68+ArgI+) AMs were characterized in formalin-fixed, paraffin-embedded lung tissue of rats exposed for 6 hours/day for 5 days to air, 100 mg/m3 nano-TiO2, 25 mg/m3 nano-CeO2, 32 mg/m3 multiwalled carbon nanotubes, or 100 mg/m3 micron-sized quartz. During acute inflammation, relative numbers of M1 AMs were markedly increased, whereas relative numbers of M2 were generally decreased compared to control. Following an exposure-free period, changes in iNOS or CD206 expression correlated with persistence, regression, or progression of inflammation, suggesting a role of M1/M2 AMs in the pathogenesis of pulmonary inflammation. However, no clear correlation of AM subpopulations with qualitatively distinct histopathological findings caused by different (nano)materials was found. A more detailed understanding of the processes underlaying these morphological changes is needed to identify biomarkers for different histopathological outcomes.
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Affiliation(s)
- Johanna Koltermann-Jülly
- Experimental Toxicology and Ecology, BASF, Ludwigshafen, Germany.,Biopharmaceutics and Pharmaceutical Technology, Saarland University, Saarbrücken, Germany
| | - Lan Ma-Hock
- Experimental Toxicology and Ecology, BASF, Ludwigshafen, Germany
| | - Sibylle Gröters
- Experimental Toxicology and Ecology, BASF, Ludwigshafen, Germany
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Granulocyte-Macrophage Colony Stimulating Factor As an Indirect Mediator of Nociceptor Activation and Pain. J Neurosci 2020; 40:2189-2199. [PMID: 32019828 DOI: 10.1523/jneurosci.2268-19.2020] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 01/07/2020] [Accepted: 01/14/2020] [Indexed: 12/11/2022] Open
Abstract
The interaction between the immune system and the nervous system has been at the center of multiple research studies in recent years. Whereas the role played by cytokines as neuronal mediators is no longer contested, the mechanisms by which cytokines modulate pain processing remain to be elucidated. In this study, we have analyzed the involvement of granulocyte-macrophage colony stimulating factor (GM-CSF) in nociceptor activation in male and female mice. Previous studies have suggested GM-CSF might directly activate neurons. However, here we established the absence of a functional GM-CSF receptor in murine nociceptors, and suggest an indirect mechanism of action, via immune cells. We report that GM-CSF applied directly to magnetically purified nociceptors does not induce any transcriptional changes in nociceptive genes. In contrast, conditioned medium from GM-CSF-treated murine macrophages was able to drive nociceptor transcription. We also found that conditioned medium from nociceptors treated with the well established pain mediator, nerve growth factor, could also modify macrophage gene transcription, providing further evidence for a bidirectional crosstalk.SIGNIFICANCE STATEMENT The interaction of the immune system and the nervous system is known to play an important role in the development and maintenance of chronic pain disorders. Elucidating the mechanisms of these interactions is an important step toward understanding, and therefore treating, chronic pain disorders. This study provides evidence for a two-way crosstalk between macrophages and nociceptors in the peripheral nervous system, which may contribute to the sensitization of nociceptors by cytokines in pain development.
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