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Zhang LL, Huang X, Azam M, Yuan HX, Ma FJ, Cheng YZ, Zhang LP, Sun D. Silver(I) Complexes with Mefenamic Acid and Nitrogen Heterocyclic Ligands: Synthesis, Characterization, and Biological Evaluation. Inorg Chem 2024. [PMID: 38910548 DOI: 10.1021/acs.inorgchem.4c01766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/25/2024]
Abstract
Four Ag(I) complexes with mefenamato and nitrogen heterocyclic ligands, [Ag(2-apy)(mef)]2 (1), [Ag(3-apy)(mef)] (2), [Ag2(tmpyz)(mef)2] (3), and {[Ag(4,4'-bipy)(mef)]2(CH3CN)1.5(H2O)2}n (4), (mef = mefenamato, 2-apy = 2-aminopyridine, 3-apy = 3-aminopyridine, tmpyz = 2,3,5,6-tetramethylpyrazine, 4,4'-bipy = 4,4'-bipyridine), were synthesized and characterized. The interactions of these complexes with BSA were investigated by fluorescence spectroscopy, which indicated that these complexes quench the fluorescence of BSA by a static mechanism. The fluorescence data also indicated that the complexes showed good affinity for BSA, and one binding site on BSA was suitable for the complexes. The in vitro cytotoxicity of the four complexes against human cancer cell lines (MCF-7, HepG-2, A549, and MDA-MB-468) and one normal cell line (HTR-8) was evaluated by the MTT assay. Complex 1 displayed high cytotoxic activity against A549 cells. Further studies revealed that complex 1 could enhance the intracellular levels of ROS (reactive oxygen species) in A549 cells, cause cell cycle arrest in the G0/G1 phase, and induce apoptosis in A549 cells in a dose-dependent manner.
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Affiliation(s)
- Lu-Lin Zhang
- School of Pharmacy, Shandong Second Medical University, Weifang 261053, P. R. China
| | - Xiang Huang
- School of Pharmacy, Shandong Second Medical University, Weifang 261053, P. R. China
| | - Mohammad Azam
- Department of Chemistry, College of Science, King Saud University, P.O. BOX 2455, Riyadh 11451, Saudi Arabia
| | - Hua-Xin Yuan
- School of Pharmacy, Shandong Second Medical University, Weifang 261053, P. R. China
| | - Feng-Jie Ma
- School of Pharmacy, Shandong Second Medical University, Weifang 261053, P. R. China
| | - Yuan-Zheng Cheng
- School of Pharmacy, Shandong Second Medical University, Weifang 261053, P. R. China
| | - Li-Ping Zhang
- School of Pharmacy, Shandong Second Medical University, Weifang 261053, P. R. China
| | - Di Sun
- School of Chemistry and Chemical Engineering, State Key Laboratory of Crystal Materials, Shandong University, Ji'nan 250100, P. R. China
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Lu Y, Elrod J, Herrmann M, Knopf J, Boettcher M. Neutrophil Extracellular Traps: A Crucial Factor in Post-Surgical Abdominal Adhesion Formation. Cells 2024; 13:991. [PMID: 38891123 PMCID: PMC11171752 DOI: 10.3390/cells13110991] [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: 04/07/2024] [Revised: 05/27/2024] [Accepted: 06/05/2024] [Indexed: 06/21/2024] Open
Abstract
Post-surgical abdominal adhesions, although poorly understood, are highly prevalent. The molecular processes underlying their formation remain elusive. This review aims to assess the relationship between neutrophil extracellular traps (NETs) and the generation of postoperative peritoneal adhesions and to discuss methods for mitigating peritoneal adhesions. A keyword or medical subject heading (MeSH) search for all original articles and reviews was performed in PubMed and Google Scholar. It included studies assessing peritoneal adhesion reformation after abdominal surgery from 2003 to 2023. After assessing for eligibility, the selected articles were evaluated using the Critical Appraisal Skills Programme checklist for qualitative research. The search yielded 127 full-text articles for assessment of eligibility, of which 7 studies met our criteria and were subjected to a detailed quality review using the Critical Appraisal Skills Programme (CASP) checklist. The selected studies offer a comprehensive analysis of adhesion pathogenesis with a special focus on the role of neutrophil extracellular traps (NETs) in the development of peritoneal adhesions. Current interventional strategies are examined, including the use of mechanical barriers, advances in regenerative medicine, and targeted molecular therapies. In particular, this review emphasizes the potential of NET-targeted interventions as promising strategies to mitigate postoperative adhesion development. Evidence suggests that in addition to their role in innate defense against infections and autoimmune diseases, NETs also play a crucial role in the formation of peritoneal adhesions after surgery. Therefore, therapeutic strategies that target NETs are emerging as significant considerations for researchers. Continued research is vital to fully elucidate the relationship between NETs and post-surgical adhesion formation to develop effective treatments.
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Affiliation(s)
- Yuqing Lu
- Department of Pediatric Surgery, University Medical Center Mannheim, University of Heidelberg, 68167 Mannheim, Germany
| | - Julia Elrod
- Department of Pediatric Surgery, University Medical Center Mannheim, University of Heidelberg, 68167 Mannheim, Germany
| | - Martin Herrmann
- Department of Pediatric Surgery, University Medical Center Mannheim, University of Heidelberg, 68167 Mannheim, Germany
- Department of Internal Medicine 3—Rheumatology and Immunology, Friedrich Alexander University Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, 91054 Erlangen, Germany
- Deutsches Zentrum für Immuntherapie (DZI), Friedrich Alexander University Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, 91054 Erlangen, Germany
| | - Jasmin Knopf
- Department of Pediatric Surgery, University Medical Center Mannheim, University of Heidelberg, 68167 Mannheim, Germany
| | - Michael Boettcher
- Department of Pediatric Surgery, University Medical Center Mannheim, University of Heidelberg, 68167 Mannheim, Germany
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3
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Alexa AL, Sargarovschi S, Ionescu D. Neutrophils and Anesthetic Drugs: Implications in Onco-Anesthesia. Int J Mol Sci 2024; 25:4033. [PMID: 38612841 PMCID: PMC11012681 DOI: 10.3390/ijms25074033] [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: 02/12/2024] [Revised: 03/24/2024] [Accepted: 04/03/2024] [Indexed: 04/14/2024] Open
Abstract
Apart from being a significant line of defense in the host defense system, neutrophils have many immunological functions. Although there are not many publications that accurately present the functions of neutrophils in relation to oncological pathology, their activity and implications have been studied a lot recently. This review aims to extensively describe neutrophils functions'; their clinical implications, especially in tumor pathology; the value of clinical markers related to neutrophils; and the implications of neutrophils in onco-anesthesia. This review also aims to describe current evidence on the influence of anesthetic drugs on neutrophils' functions and their potential influence on perioperative outcomes.
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Affiliation(s)
- Alexandru Leonard Alexa
- Department of Anesthesia and Intensive Care I, “Iuliu Haţieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania; (S.S.); (D.I.)
- Association for Research in Anesthesia and Intensive Care (ACATI), 400162 Cluj-Napoca, Romania
- Onco-Anaesthesia Research Group, ESAIC, 1000 Brussels, Belgium
| | - Sergiu Sargarovschi
- Department of Anesthesia and Intensive Care I, “Iuliu Haţieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania; (S.S.); (D.I.)
- Association for Research in Anesthesia and Intensive Care (ACATI), 400162 Cluj-Napoca, Romania
| | - Daniela Ionescu
- Department of Anesthesia and Intensive Care I, “Iuliu Haţieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania; (S.S.); (D.I.)
- Association for Research in Anesthesia and Intensive Care (ACATI), 400162 Cluj-Napoca, Romania
- Onco-Anaesthesia Research Group, ESAIC, 1000 Brussels, Belgium
- Outcome Research Consortium, Cleveland, OH 44195, USA
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4
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Gupta A, Laha JK. Growing Utilization of Radical Chemistry in the Synthesis of Pharmaceuticals. CHEM REC 2023; 23:e202300207. [PMID: 37565381 DOI: 10.1002/tcr.202300207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 07/19/2023] [Indexed: 08/12/2023]
Abstract
Our current unhealthy lifestyle and the exponential surge in the population getting affected by a variety of diseases have made pharmaceuticals or drugs an imperative part of life, making the development of innovative strategies for drug discovery or the introduction of refined, cost-effective and modern technologies for the synthesis of clinically used drugs, a need of the hour. Ever since their discovery, free radicals and radical cations or anions as reactive intermediates have captivated the chemists, resulting in an exceptional utilization of these moieties throughout the field of chemical synthesis, owing to their unprecedented and widespread reactivity. Sticking with the idea of not judging the book by its cover, despite the conventional thought process of radicals being unstable and difficult to control entities, scientists and academicians around the globe have done an appreciable amount of work utilizing both persistent as well as transient radicals for a variety of organic transformations, exemplifying them with the synthesis of significant biologically active pharmaceutical ingredients. This review truly accounts for the organic radical transformations including radical addition, radical cascade cyclization, radical/radical cross-coupling, coupling with metal-complexes and radical cations coupling with nucleophiles, that offers fascinating and unconventional approaches towards the construction of intricate structural frameworks of marketed APIs with high atom- and step-economy; complementing the otherwise employed traditional methods. This tutorial review presents a comprehensive package of diverse methods utilized for radical generation, featuring their reactivity to form critical bonds in pharmaceutical total synthesis or in building key starting materials or intermediates of their synthetic journey, acknowledging their excellence, downsides and underlying mechanisms, which are otherwise poorly highlighted in the literature. Despite great achievements over the past few decades in this area, many challenges and obstacles are yet to be unraveled to shorten the distance between the academics and the industry, which are all discussed in summary and outlook.
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Affiliation(s)
- Anjali Gupta
- Department of Pharmaceutical Technology (Process Chemistry), National Institute of Pharmaceutical Education & Research (NIPER) S.A.S. Nagar, Sahibzada Ajit Singh Nagar, Mohali, 160062, India
| | - Joydev K Laha
- Department of Pharmaceutical Technology (Process Chemistry), National Institute of Pharmaceutical Education & Research (NIPER) S.A.S. Nagar, Sahibzada Ajit Singh Nagar, Mohali, 160062, India
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Abdelhady SA, Ali MA, Yacout DM, Essawy MM, Kandil LS, El-Mas MM. The suppression of MAPK/NOX/MMP signaling prompts renoprotection conferred by prenatal naproxen in weaning preeclamptic rats. Sci Rep 2023; 13:17498. [PMID: 37840054 PMCID: PMC10577149 DOI: 10.1038/s41598-023-44617-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 10/10/2023] [Indexed: 10/17/2023] Open
Abstract
Although nonsteroidal antiinflammatory drugs (NSAIDs) are frequently used for fever and pain during pregnancy, their possible interaction with perinatal renal injury induced by preeclampsia (PE) has not been addressed. Here, studies were undertaken in the N(gamma)-nitro-L-arginine methyl ester (L-NAME) PE model to assess the influence of gestational NSAIDs on renal damage in weaning dams. PE-evoked increments and decrements in urine protein and creatinine clearance, respectively, were intensified by celecoxib and weakened by diclofenac or naproxen. Naproxen also improved renal cloudy swelling, necrosis, and reduced glomerular area evoked by PE. The concomitant rises in renal expression of markers of oxidative stress (NOX2/4), extracellular matrix metaloproteinase deposition (MMP9), and prostanoids (PGE2, PGF2α, TXA2) were all more effectively reduced by naproxen compared with celecoxib or diclofenac. Western blotting showed tripled expression of mitogen-activated protein kinases (MAPKs; p-p38, p-JNK1, p-ERK1, p-ERK2) in PE kidneys that was overturned by all NSAIDs, with naproxen producing the largest drop in p-ERK2 expression. The PE-provoked elevation in renal expression of autophagic marker LC3 was reduced by naproxen and diclofenac, but not celecoxib. The data suggests superior effect for naproxen over other NSAIDs in rectifying preeclamptic renal injury and predisposing inflammatory, oxidative, autophagic, and fibrotic signals.
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Affiliation(s)
- Sherien A Abdelhady
- Department of Pharmacology and Therapeutics, Faculty of Pharmacy, Pharos University in Alexandria, Canal El Mahmoudia Street, Alexandria, 21568, Egypt.
| | - Mennatallah A Ali
- Department of Pharmacology and Therapeutics, Faculty of Pharmacy, Pharos University in Alexandria, Canal El Mahmoudia Street, Alexandria, 21568, Egypt
| | - Dalia M Yacout
- Department of Clinical Pharmacology, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Marwa M Essawy
- Department of Oral Pathology, Faculty of Dentistry, Alexandria University, Alexandria, Egypt
- Center of Excellence for Research in Regenerative Medicine and Applications (CERRMA), Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Lamia S Kandil
- School of Pharmacy and Biomedical Sciences, University of Central Lancashire, Preston, UK
| | - Mahmoud M El-Mas
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
- Department of Pharmacology and Toxicology, College of Medicine, Kuwait University, Kuwait City, Kuwait
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Herz C, Frei L, Tran HTT, Claßen S, Spöttel J, Krell M, Hanschen FS, Arvandi M, Binder N, Schreiner M, Rohn S, Lamy E. A monocentric, randomized, double-blind, controlled crossover trial of nasturtium ( Tropaeolum majus) on the lipid regulator prostaglandin E 2. Front Nutr 2023; 10:1223158. [PMID: 37599682 PMCID: PMC10434789 DOI: 10.3389/fnut.2023.1223158] [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: 05/15/2023] [Accepted: 07/14/2023] [Indexed: 08/22/2023] Open
Abstract
Scope As prostaglandin E2 (PGE2) has important roles in physiological and inflammatory functions, a double-blind randomized controlled crossover study to investigate the potential of nasturtium (Tropaeolum majus) for modulating PGE2 was conducted, aiming at clarifying the role of benzyl isothiocyanate (BITC). As secondary parameters leukotriene 4 (LTB4), and cytokine release (tumor necrosis factor alpha, TNF-α; interleukins IL-1β, IL-10, and IL-12) were quantified. Methods and results Thirty-four healthy female participants consumed 1.5 g nasturtium containing BITC, (verum) or no BITC (control) twice a day for 2 weeks each. Nasturtium intervention resulted in an increase in mean PGE2 levels in serum samples (verum: 1.76-fold, p ≤ 0.05; control: 1.78-fold, p ≤ 0.01), and ex vivo stimulated peripheral blood mononuclear cells (PBMC) (verum: 1.71-fold, p ≤ 0.01; control: 1.43-fold). Using a pre-to-post responder analysis approach, 18 of 34 subjects showed a > 25% PGE2 increase in serum, while it was >25% decreased for 9 subjects (stimulated PBMC: 14 and 8 of 28, respectively). Under the selected conditions, the BITC content of nasturtium did not affect the observed changes in PGE2. Verum intervention also increased mean LTB4 serum level (1.24-fold, p ≤ 0.01), but not in LPS stimulated PBMC, and significantly increased TNF-α release in stimulated PBMC after 3 h (verum: 1.65-fold, p = 0.0032; control: 1.22-fold, p = 0.7818). No change was seen in the anti-inflammatory cytokine IL-10, or the pro-inflammatory cytokines IL-1β, and IL-12. Conclusion In contrast to the previously reported in vitro results, on average, LPS activated PBMC and serum from both groups showed increased PGE2 levels. Further analyses suggest that PGE2 release after intervention could possibly depend on the baseline PGE2 level. Identification of phenotypes that respond differently to the nasturtium intervention could be useful to establish personalized approaches for dosing phytopharmaceuticals medicines.
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Affiliation(s)
- Corinna Herz
- Molecular Preventive Medicine, University Medical Center and Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Linda Frei
- Molecular Preventive Medicine, University Medical Center and Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Hoai T. T. Tran
- Molecular Preventive Medicine, University Medical Center and Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Sophie Claßen
- Molecular Preventive Medicine, University Medical Center and Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Jenny Spöttel
- Institute of Food Chemistry, Hamburg School of Food Science, University of Hamburg, Hamburg, Germany
| | - Mareike Krell
- Institute of Food Chemistry, Hamburg School of Food Science, University of Hamburg, Hamburg, Germany
| | - Franziska S. Hanschen
- Plant Quality and Food Security, Leibniz Institute of Vegetable and Ornamental Crops, Großbeeren, Germany
| | - Marjan Arvandi
- Department of Public Health, Health Services Research and Health Technology Assessment, Institute of Public Health, Medical Decision Making and HTA, UMIT TIROL, University for Health Sciences and Health Technology, Hall in Tirol, Austria
| | - Nadine Binder
- Institute of General Practice/Family Medicine, Faculty of Medicine and Medical Center, University of Freiburg, Freiburg, Germany
| | - Monika Schreiner
- Plant Quality and Food Security, Leibniz Institute of Vegetable and Ornamental Crops, Großbeeren, Germany
| | - Sascha Rohn
- Institute of Food Chemistry, Hamburg School of Food Science, University of Hamburg, Hamburg, Germany
- Institute of Food Technology and Food Chemistry, Technische Universität Berlin, Berlin, Germany
| | - Evelyn Lamy
- Molecular Preventive Medicine, University Medical Center and Faculty of Medicine, University of Freiburg, Freiburg, Germany
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Alorfi NM. Pharmacological Methods of Pain Management: Narrative Review of Medication Used. Int J Gen Med 2023; 16:3247-3256. [PMID: 37546242 PMCID: PMC10402723 DOI: 10.2147/ijgm.s419239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 07/02/2023] [Indexed: 08/08/2023] Open
Abstract
Background Pain management is a critical aspect of healthcare, aimed at alleviating discomfort and improving the quality of life for individuals experiencing acute or chronic pain. Pharmacological methods constitute a primary approach to pain management, including a diverse array of drugs that work through different mechanisms. Aim Identifying medications commonly employed in pain management, focusing on their mechanism of actions, uses, efficacy and pharmacological applications. Methods The methodology involved a systematic search of scientific literature using various databases, including PubMed, Scopus, and Google Scholar. Relevant articles published between 2000 and 2023 were screened for inclusion. The selected studies encompassed original research, review articles, therapeutic guidelines and randomized controlled trials. Results The findings of this review suggest that a multimodal approach combining various analgesics can enhance pain relief while minimizing adverse effects. It emphasizes the importance of assessing pain intensity, determining the underlying etiology, and utilizing evidence-based guidelines to optimize pain management outcomes. Conclusion Pharmacological methods of pain management are an essential component of pain management strategies to achieve optimal pain relief while minimizing adverse effects. The article concludes with a discussion on emerging trends and future directions in pharmacological pain management, including novel drug targets and advances in drug delivery systems.
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Affiliation(s)
- Nasser M Alorfi
- Department of Pharmacology and Toxicology, College of Pharmacy, Umm Al-Qura University, Makkah, Saudi Arabia
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Fattahi MJ, Rehm BH, Matsuo H, Cuzzocrea S, Jafarnezhad-Ansariha F, Ahmadi H, Tofighi-Zavareh F, Oraei M, Aghazadeh Z, Mirshafiey A. Evaluation of cell adhesion molecules (LFA-1 and L-selectin) in ankylosing spondylitis patients after treatment with β-D-mannuronic acid (M2000). Indian J Med Res 2023; 157:453-459. [PMID: 37955219 PMCID: PMC10443726 DOI: 10.4103/ijmr.ijmr_448_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Indexed: 11/14/2023] Open
Abstract
Background & objectives To examine β-D-mannuronic acid (M2000) effects on L-selectin shedding and leucocyte function-associated antigen-1 (LFA-1) expression as mechanisms of action of this drug in patients with ankylosing spondylitis (AS). Methods To investigate the molecular consequences of β-D-mannuronic acid on L-selectin shedding, flow cytometry method was used. Furthermore, the effect of it on LFA-1 gene expression was analyzed by using quantitative real time (qRT)-PCR technique. Results The LFA-1 expression in patients with AS was higher than controls (P=0.046). The LFA-1 expression after 12 wk therapy with β-D-mannuronic acid was meaningfully decreased (P=0.01). After 12 wk treatment with β-D-mannuronic acid, the frequency of CD62L-expressing CD4+ T cells in patients with AS, was not considerably altered, compared to the patients before therapy (P=0.5). Furthermore, after 12 wk therapy with β-D-mannuronic acid, L-selectin expression levels on CD4+ T-cells in patients with AS, were not remarkably changed, compared to the expression levels of these in patients before treatment (P=0.2). Interpretation & conclusions The results of this study for the first time showed that β-D-mannuronic acid can affect events of adhesion cascade in patients with AS. Moreover, β-D-mannuronic acid presented as an acceptable benefit to AS patients and could aid in the process of disease management.
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Affiliation(s)
- Mohammad Javad Fattahi
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
- Shiraz Institute for Cancer Research, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Bernd H.A. Rehm
- Institute of Fundamental Sciences, Massey University, Palmerston North, New Zealand,
| | - Hidenori Matsuo
- Department of Clinical Research, Nagasaki Kawatana Medical Center, Nagasaki, Japan
| | - Salvatore Cuzzocrea
- Department of Chemical, Biological, Pharmaceutical & Environmental Sciences, University of Messina, Messina, Italy
| | - Fahimeh Jafarnezhad-Ansariha
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
- Department of Immunology, International Campus, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Hossein Ahmadi
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Farzaneh Tofighi-Zavareh
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
- Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children’s Medical Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Mona Oraei
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Zahra Aghazadeh
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Abbas Mirshafiey
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
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Park HJ, Ham HJ, Yang YJ, Seo MK, Kim HI, Lee JH. Liquid chromatography-quadrupole orbitrap and liquid chromatography-tandem mass spectrometry system for rapid identification and quantitation of thirty nonsteroidal anti-inflammatory drugs and acetaminophen in illegal products. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2023; 37:e9462. [PMID: 36567073 DOI: 10.1002/rcm.9462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 12/21/2022] [Accepted: 12/22/2022] [Indexed: 06/17/2023]
Abstract
RATIONALE As the public interest in healthcare increases, illegal dietary supplements, foods, and drugs containing unauthorized pharmaceutical ingredients, including nonsteroidal anti-inflammatory drugs (NSAIDs) and acetaminophen, have been identified. Excessive and unintentional consumption is toxic to the gastrointestinal tract, kidneys, and liver; therefore, these pharmaceuticals must be monitored using analytical methods. METHODS A rapid and reliable analysis system involving liquid chromatography-quadrupole orbitrap mass spectrometry (LC-Q-Orbitrap/MS) and liquid chromatography-tandem mass spectrometry (LC/MS/MS) was established and validated to identify and quantify 30 NSAIDs and acetaminophen. In addition, we obtained the MS2 spectrum for each component with the proposed structure of the fragment ions. RESULTS The analytical method was applied to 505 samples of illicitly distributed dietary supplements, foods, and pharmaceuticals. Non-steroidal analgesics were detected in 126 samples. Carbamazepine (42.9%) and diclofenac (30.2%) were the most detected components in the samples; other pharmaceutical adulterants were also detected in some cases. Additionally, we present the identification of an unknown component, dexamethasone (799 μg/g), using LC-Q-Orbitrap/MS in a sample containing the unknown component with meloxicam (15.4 mg/g). CONCLUSIONS The developed analysis system, consisting of qualitative analysis using LC-Q-Orbitrap/MS and quantitative analysis using LC/MS/MS, can rapidly and accurately identify and quantify NSAIDs and acetaminophen while also identifying non-analytical components.
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Affiliation(s)
- Hyoung-Joon Park
- Center for Advanced Analysis, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Cheongju, Chungcheongbuk-do, Republic of Korea
| | - Hyeon Joo Ham
- Center for Advanced Analysis, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Cheongju, Chungcheongbuk-do, Republic of Korea
| | - Yoon Ji Yang
- Center for Advanced Analysis, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Cheongju, Chungcheongbuk-do, Republic of Korea
| | - Min Kyeong Seo
- Center for Advanced Analysis, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Cheongju, Chungcheongbuk-do, Republic of Korea
| | - Hyung Il Kim
- Center for Advanced Analysis, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Cheongju, Chungcheongbuk-do, Republic of Korea
| | - Ji Hyun Lee
- Center for Advanced Analysis, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Cheongju, Chungcheongbuk-do, Republic of Korea
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10
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Michalaki A, Grintzalis K. Acute and Transgenerational Effects of Non-Steroidal Anti-Inflammatory Drugs on Daphnia magna. TOXICS 2023; 11:320. [PMID: 37112547 PMCID: PMC10145367 DOI: 10.3390/toxics11040320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 03/23/2023] [Accepted: 03/27/2023] [Indexed: 06/19/2023]
Abstract
Pharmaceuticals pose a great threat to organisms inhabiting the aquatic environment. Non-steroidal anti-inflammatory drugs (NSAIDs) are major pharmaceutical pollutants with a significant presence in freshwater ecosystems. In this study, the impact of indomethacin and ibuprofen, two of the most commonly prescribed NSAIDs, was assessed on Daphnia magna. Toxicity was assessed as the immobilization of animals and used to determine non-lethal exposure concentrations. Feeding was assessed as a phenotypic endpoint and key enzymes were used as molecular endpoints of physiology. Feeding was decreased in mixture exposures for five-day-old daphnids and neonates. Furthermore, animals were exposed to NSAIDs and their mixture in chronic and transgenerational scenarios revealing changes in key enzyme activities. Alkaline and acid phosphatases, lipase, peptidase, β-galactosidase, and glutathione-S-transferase were shown to have significant changes in the first generation at the first and third week of exposure, and these were enhanced in the second generation. On the other hand, the third recovery generation did not exhibit these changes, and animals were able to recover from the induced changes and revert back to the control levels. Overall, our study points towards transgenerational exposures as more impactful laboratory studies to understand pharmaceutical stressors with a combination of molecular and phenotypic markers of physiology.
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Panchal NK, Prince Sabina E. Non-steroidal anti-inflammatory drugs (NSAIDs): A current insight into its molecular mechanism eliciting organ toxicities. Food Chem Toxicol 2023; 172:113598. [PMID: 36608735 DOI: 10.1016/j.fct.2022.113598] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 12/21/2022] [Accepted: 12/30/2022] [Indexed: 01/05/2023]
Abstract
Non-steroidal anti-inflammatory drugs (NSAIDs) are a class of medications that are routinely been used across the world. Their analgesic, anti-inflammatory, and antipyretic effects have all been well-documented. Moreover, they are been deliberated to have a protective role against various critical diseases such as cancer and cardiovascular diseases. However, the data presented by numerous studies in past have signified the adverse effects of NSAIDs due to overdosing on various systems such as cardiovascular, gastrointestinal, hepatic, renal, neural, etc. Despite substantial studies representing the mechanism behind the clinical risk of NSAIDs, there are very few reviews that have collated comprehensive records of various toxicities caused by overdosing on NSAIDs. As a result, we have presented a comprehensive overview of existing information on NSAIDs in this review. In addition to that, we have concentrated on presenting our understanding of various organ-based toxicities caused due to NSAID's prolonged use/overdosage.
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Affiliation(s)
- Nagesh Kishan Panchal
- Department of Biotechnology, School of Biosciences and Technology Vellore Institute of Technology, Vellore, India
| | - Evan Prince Sabina
- Department of Biotechnology, School of Biosciences and Technology Vellore Institute of Technology, Vellore, India.
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Gestational NSAIDs distinctly reprogram cardiac injury in preeclamptic rats: Roles of cyclooxygenase, apoptotic and autophagic trails. Life Sci 2022; 310:121130. [DOI: 10.1016/j.lfs.2022.121130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 10/15/2022] [Accepted: 10/23/2022] [Indexed: 11/06/2022]
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García-Fernández A, Vivo-Llorca G, Sancho M, García-Jareño AB, Ramírez-Jiménez L, Barber-Cano E, Murguía JR, Orzáez M, Sancenón F, Martínez-Máñez R. Nanodevices for the Efficient Codelivery of CRISPR-Cas9 Editing Machinery and an Entrapped Cargo: A Proposal for Dual Anti-Inflammatory Therapy. Pharmaceutics 2022; 14:pharmaceutics14071495. [PMID: 35890389 PMCID: PMC9322049 DOI: 10.3390/pharmaceutics14071495] [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: 06/20/2022] [Revised: 07/11/2022] [Accepted: 07/13/2022] [Indexed: 02/04/2023] Open
Abstract
In this article, we report one of the few examples of nanoparticles capable of simultaneously delivering CRISPR-Cas9 gene-editing machinery and releasing drugs for one-shot treatments. Considering the complexity of inflammation in diseases, the synergistic effect of nanoparticles for gene-editing/drug therapy is evaluated in an in vitro inflammatory model as proof of concept. Mesoporous silica nanoparticles (MSNs), able to deliver the CRISPR/Cas9 machinery to edit gasdermin D (GSDMD), a key protein involved in inflammatory cell death, and the anti-inflammatory drug VX-765 (GSDMD45CRISPR-VX-MSNs), were prepared. Nanoparticles allow high cargo loading and CRISPR-Cas9 plasmid protection and, thus, achieve the controlled codelivery of CRISPR-Cas9 and the drug in cells. Nanoparticles exhibit GSDMD gene editing by downregulating inflammatory cell death and achieving a combined effect on decreasing the inflammatory response by the codelivery of VX-765. Taken together, our results show the potential of MSNs as a versatile platform by allowing multiple combinations for gene editing and drug therapy to prepare advanced nanodevices to meet possible biomedical needs.
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Affiliation(s)
- Alba García-Fernández
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, 46022 Valencia, Spain; (G.V.-L.); (J.R.M.); (F.S.)
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), 28029 Madrid, Spain
- Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Centro de Investigación Príncipe Felipe, Universitat Politècnica de València, 46012 Valencia, Spain; (M.S.); (A.B.G.-J.)
- Correspondence: (A.G.-F.); (M.O.); (R.M.-M.)
| | - Gema Vivo-Llorca
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, 46022 Valencia, Spain; (G.V.-L.); (J.R.M.); (F.S.)
- Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Centro de Investigación Príncipe Felipe, Universitat Politècnica de València, 46012 Valencia, Spain; (M.S.); (A.B.G.-J.)
| | - Mónica Sancho
- Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Centro de Investigación Príncipe Felipe, Universitat Politècnica de València, 46012 Valencia, Spain; (M.S.); (A.B.G.-J.)
- Centro de Investigación Príncipe Felipe, 46012 Valencia, Spain; (L.R.-J.); (E.B.-C.)
| | - Alicia Belén García-Jareño
- Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Centro de Investigación Príncipe Felipe, Universitat Politècnica de València, 46012 Valencia, Spain; (M.S.); (A.B.G.-J.)
- Centro de Investigación Príncipe Felipe, 46012 Valencia, Spain; (L.R.-J.); (E.B.-C.)
| | - Laura Ramírez-Jiménez
- Centro de Investigación Príncipe Felipe, 46012 Valencia, Spain; (L.R.-J.); (E.B.-C.)
| | - Eloísa Barber-Cano
- Centro de Investigación Príncipe Felipe, 46012 Valencia, Spain; (L.R.-J.); (E.B.-C.)
| | - José Ramón Murguía
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, 46022 Valencia, Spain; (G.V.-L.); (J.R.M.); (F.S.)
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), 28029 Madrid, Spain
- Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Centro de Investigación Príncipe Felipe, Universitat Politècnica de València, 46012 Valencia, Spain; (M.S.); (A.B.G.-J.)
| | - Mar Orzáez
- Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Centro de Investigación Príncipe Felipe, Universitat Politècnica de València, 46012 Valencia, Spain; (M.S.); (A.B.G.-J.)
- Centro de Investigación Príncipe Felipe, 46012 Valencia, Spain; (L.R.-J.); (E.B.-C.)
- Correspondence: (A.G.-F.); (M.O.); (R.M.-M.)
| | - Félix Sancenón
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, 46022 Valencia, Spain; (G.V.-L.); (J.R.M.); (F.S.)
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), 28029 Madrid, Spain
- Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Centro de Investigación Príncipe Felipe, Universitat Politècnica de València, 46012 Valencia, Spain; (M.S.); (A.B.G.-J.)
- Unidad Mixta de Investigación en Nanomedicina y Sensores, UPV-IIS La Fe, 46026 Valencia, Spain
| | - Ramón Martínez-Máñez
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, 46022 Valencia, Spain; (G.V.-L.); (J.R.M.); (F.S.)
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), 28029 Madrid, Spain
- Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Centro de Investigación Príncipe Felipe, Universitat Politècnica de València, 46012 Valencia, Spain; (M.S.); (A.B.G.-J.)
- Unidad Mixta de Investigación en Nanomedicina y Sensores, UPV-IIS La Fe, 46026 Valencia, Spain
- Correspondence: (A.G.-F.); (M.O.); (R.M.-M.)
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Krivokolysko DS, Dotsenko VV, Bibik EY, Samokish AA, Venidiktova YS, Frolov KA, Krivokolysko SG, Pankov AA, Aksenov NA, Aksenova IV. New Hybrid Molecules Based on Sulfur-Containing Nicotinonitriles: Synthesis, Analgesic Activity in Acetic Acid-Induced Writhing Test, and Molecular Docking Studies. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2022. [DOI: 10.1134/s1068162022030104] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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15
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Yáñez-Barrientos E, González-Ibarra AA, Wrobel K, Wrobel K, Corrales-Escobosa AR, Alonso-Castro AJ, Carranza-Álvarez C, Ponce-Hernández A, Isiordia-Espinoza MA, Ortiz-Andrade R, Torres-Gutiérrez KL, Luna-Rubio S, Zapata-Morales JR. Antinociceptive effects of Laelia anceps Lindl. and Cyrtopodium macrobulbon (Lex.) G.A. Romero & Carnevali, and comparative evaluation of their metabolomic profiles. JOURNAL OF ETHNOPHARMACOLOGY 2022; 291:115172. [PMID: 35257843 DOI: 10.1016/j.jep.2022.115172] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 02/24/2022] [Accepted: 03/03/2022] [Indexed: 06/14/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Laelia anceps and Cyrtopodium macrobulbon are two orchids used in Mexican traditional medicine for treating pain. AIM OF THE STUDY The individual antinociceptive activity of ethanol extracts from the roots of Laelia anceps (LAE) and Cyrtopodium macrobulbon (CME) was evaluated, and their metabolomic profiles were comparatively evaluated. The antinociceptive activity of CME and naproxen combination (1:1) was also addressed. MATERIALS AND METHODS The antinociceptive actions of LAE and CME were examined using three nociceptive tests. The combination of CME with naproxen was evaluated in the acetic acid test using isobologram analysis. Metabolomic analysis was performed using capillary reversed phase liquid chromatography-electrospray ionization-high resolution mass spectrometry and the MS-DIAL 4.70 software was used for data analysis and statistics. RESULTS LAE (ED50 = 48.4 mg/kg) and CME (ED50 = 17.8 mg/kg) showed antinociceptive activity in the acetic acid test. Pre-treatment with L-NAME reverted the antinociceptive effects of LAE and CME in the acetic acid test. LAE (ED50 = 97 mg/kg) and CME (ED50 = 29 mg/kg) also induced antinociceptive activity in the second phase of the formalin test. The combination of CME with naproxen induced synergistic (interaction index = 0.434) antinociceptive effects (ED50 = 10.6 mg/kg). Overall, 156 compounds allocated in 97 different ontologies were found to be differentially expressed in the two orchids; among them, 125 compounds corresponded to LAE and 31 to CME. Three phenanthrene derivatives annotated in CME might be associated with its antinociceptive activity. CONCLUSION LAE and CME induced antinociceptive activity with the possible participation of the nitric oxide pathway. CME in combination with naproxen synergistically produces antinociceptive effects in the acetic acid test. The untargeted metabolomic analysis allowed for annotation of several compounds potentially involved in the therapeutic potential of two plants; among them, three phenanthrene derivatives might contribute to the observed antinociceptive activity.
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Affiliation(s)
- Eunice Yáñez-Barrientos
- Department of Chemistry, Natural and Exact Division Sciences, University of Guanajuato, Guanajuato, Guanajuato, Mexico.
| | | | - Kazimierz Wrobel
- Department of Chemistry, Natural and Exact Division Sciences, University of Guanajuato, Guanajuato, Guanajuato, Mexico.
| | - Katarzyna Wrobel
- Department of Chemistry, Natural and Exact Division Sciences, University of Guanajuato, Guanajuato, Guanajuato, Mexico.
| | - Alma Rosa Corrales-Escobosa
- Department of Chemistry, Natural and Exact Division Sciences, University of Guanajuato, Guanajuato, Guanajuato, Mexico.
| | - Angel Josabad Alonso-Castro
- Department of Pharmacy, Natural and Exact Division Sciences, University of Guanajuato, Guanajuato, Guanajuato, Mexico.
| | - Candy Carranza-Álvarez
- School of Professional Studies Huastec Zone, Autonomous University of San Luis Potosi, Ciudad Valles, S.L.P, Mexico.
| | - Amauri Ponce-Hernández
- School of Professional Studies Huastec Zone, Autonomous University of San Luis Potosi, Ciudad Valles, S.L.P, Mexico.
| | - Mario Alberto Isiordia-Espinoza
- Institute of Research in Medical Sciences, Department of Clinics, Division of Biomedical Sciences, Los Altos University Center, University of Guadalajara, Tepatitlán de Morelos, Mexico.
| | | | | | - Sarahí Luna-Rubio
- School of Professional Studies Huastec Zone, Autonomous University of San Luis Potosi, Ciudad Valles, S.L.P, Mexico.
| | - Juan Ramón Zapata-Morales
- Department of Pharmacy, Natural and Exact Division Sciences, University of Guanajuato, Guanajuato, Guanajuato, Mexico.
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Golusda L, Kühl AA, Siegmund B, Paclik D. Reducing Pain in Experimental Models of Intestinal Inflammation Affects the Immune Response. Inflamm Bowel Dis 2022; 28:801-807. [PMID: 34871378 PMCID: PMC9074866 DOI: 10.1093/ibd/izab290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Indexed: 12/09/2022]
Abstract
The incidence of inflammatory bowel disease with its two main manifestations, colitis ulcerosa and Crohn's disease, is rising globally year after year. There is still a tremendous need to study the underlying pathomechanisms and a well-established tool in order to better understand the disease are colitis models in rodents. Since the concept of the 3Rs was proposed by Russell and Burch, this would include pain medication in animal models of intestinal inflammation as a reduction of suffering. This review argues against pain medication because the administration of pain medication in its current form has an impact on the inflammatory process and the immune response, thus falsifying the results and the reproducibility and therefore leading to misconceptions.
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Affiliation(s)
- Laura Golusda
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, iPATH.Berlin, Berlin, Germany
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Department of Gastroenterology, Infectious Diseases, and Rheumatology, Berlin, Germanyand
- Institute of Chemistry and Biochemistry, Department of Biology, Chemistry and Pharmacy, Freie Universität Berlin, Berlin, Germany
| | - Anja A Kühl
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, iPATH.Berlin, Berlin, Germany
| | - Britta Siegmund
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Department of Gastroenterology, Infectious Diseases, and Rheumatology, Berlin, Germanyand
| | - Daniela Paclik
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, iPATH.Berlin, Berlin, Germany
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Department of Gastroenterology, Infectious Diseases, and Rheumatology, Berlin, Germanyand
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Rahman K, Ali G, Khan R, Khan I, Ali I, Mosa OF, Ahmed A, Ayaz M, Nawaz A, Murthy HCA. Analagesic and Anti-Inflammatory Potentials of a Less Ulcerogenic Thiadiazinethione Derivative in Animal Models: Biochemical and Histochemical Correlates. Drug Des Devel Ther 2022; 16:1143-1157. [PMID: 35478935 PMCID: PMC9037714 DOI: 10.2147/dddt.s354779] [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: 12/18/2021] [Accepted: 03/31/2022] [Indexed: 12/19/2022] Open
Abstract
Purpose Gastric ulcer induced by NSAIDs is the major medical concern and researchers are utilizing several approaches to combat this medical issue. In the current study, we investigated the efficacy of thiadiazinethione derivative (2,2’(2-thioxo-1,3,5-thiadiazinane-3,5-diyl) diacetic acid, as new less ulcerogenic compound. Methods 2,2’(2-thioxo-1,3,5-thiadiazinane-3,5-diyl) diacetic acid was evaluated using standard animal models including hot plate, writhing test and formalin induced nociceptive models. Anti-inflammatory activity was assessed via carrageenan-induced paw oedema model. Involvement of opioidergic nociceptive mechanism was confirmed via naloxone administration in hot plat assay. The gastro-ulcerogenic potential of test and standard compounds were evaluated via NSAID-induced pyloric ligation model followed by standard histopathological and biochemical analysis. Results In acetic acid-induced writhing test, our compound significantly reduced abdominal constrictions at the tested doses of 15 (p < 0.05), 30 (p < 0.01) and 45 mg kg−1 (p < 0.001) as compared to control (p < 0.001). In hot plate test, after 30 min of administration, our test compound showed significant anti-nociceptive potential (p < 0.05 at 15 and 30 mg kg−1 and p < 0.01 at 45 mg kg−1) and tramadol (p ˂ 0.001) at 30 mg kg−1 dose. After 60 min tramadol (30 kg−1) and test sample (30, 45 mg kg−1) exhibited significant anti-nociceptive activity p < 0.001. In Formalin-induced nociceptive response, a significant decline (p ˂ 0.001) was observed for aspirin and test compound during acute and chronic phases. Decline in the anti-nociceptive potential of tramadol and test sample via administration of naloxone indicate the involvement of opioidergic mechanism. Our compound exhibited significant anti-inflammatory activity in second phase of carrageenan induced paw oedema model. Histological and biochemical parameters exhibited less ulcerogenic potential as compared to aspirin. Conclusion Our findings suggests that our test compound has desirable anti-nociceptive and anti-inflammatory potentials with less propensity to cause gastric ulcer.
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Affiliation(s)
- Khista Rahman
- Department of Pharmacy, University of Peshawar, Peshawar, Pakistan
| | - Gowhar Ali
- Department of Pharmacy, University of Peshawar, Peshawar, Pakistan.,The Ken and Ruth Davee Department of Neurology, Department of Neurology and Clinical Neurosciences, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Rasool Khan
- Institute of Chemistry Sciences, University of Peshawar, Peshawar, Pakistan
| | - Imad Khan
- Institute of Chemistry Sciences, University of Peshawar, Peshawar, Pakistan
| | - Izaz Ali
- Department of Pharmacy, University of Peshawar, Peshawar, Pakistan
| | - Osama F Mosa
- Public Health Department,Health Sciences College at Lieth, Umm Al Qura University, Makkah, Kingdom of Saudi Arabia.,Biochemistry Department Bukhara State Medical Institute named after Abu Ali ibn Sino, Bukhara, Uzbekistan
| | - Alshebli Ahmed
- Public Health Department,Health Sciences College at Lieth, Umm Al Qura University, Makkah, Kingdom of Saudi Arabia.,University of Khartoum, Faculty of Public and environmental Health, Khartoum, Sudan
| | - Muhammad Ayaz
- Department of Pharmacy, Faculty of Biological Sciences, University of Malakand, Chakdara, 18000, Dir (L), KP, Pakistan
| | - Asif Nawaz
- Department of Pharmacy, Faculty of Biological Sciences, University of Malakand, Chakdara, 18000, Dir (L), KP, Pakistan
| | - H C Ananda Murthy
- Department of Applied Chemistry, School of Applied Natural Science, Adama Science and Technology University, Adama, Ethiopia
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Westwell-Roper C, Best JR, Elbe D, MacFadden M, Baer S, Tucker L, Au A, Naqqash Z, Lin B, Lu C, Stewart SE. Celecoxib versus placebo as an adjunct to treatment-as-usual in children and youth with obsessive-compulsive disorder: protocol for a single-site randomised quadruple-blind phase II study. BMJ Open 2022; 12:e054296. [PMID: 35105633 PMCID: PMC8804641 DOI: 10.1136/bmjopen-2021-054296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 01/05/2022] [Indexed: 11/04/2022] Open
Abstract
BACKGROUND Cyclooxygenase (COX) enzymes oxidise arachidonic acid to prostaglandins, which modulate neuronal function and inflammation in the central nervous system. Consensus guidelines suggest non-steroidal anti-inflammatory drugs as a possible adjunctive approach in adults with obsessive-compulsive disorder (OCD) and in children with acute-onset OCD subtypes. However, there is limited evidence to support this approach. The primary objective of this study is to determine the efficacy of the COX-2-selective inhibitor celecoxib as an adjunct to treatment-as-usual in children and youth with moderate-to-severe OCD. The safety of this intervention including adverse events will also be systematically assessed. METHODS The Adjunctive CElecoxib in childhood-onset OCD (ACE-OCD) study is a single-centre randomised, quadruple-blind, placebo-controlled superiority trial with two parallel groups: celecoxib 100 mg twice daily and placebo. Treatments will be added to participants' routine clinical care, which will not change over the course of the study. Target recruitment is 80 participants ages 7-18 with no recent treatment changes. The primary outcome is OCD severity after 12 weeks of treatment, measured by clinician-administered Children's Yale-Brown Obsessive Compulsive Scale (CY-BOCS). Secondary outcomes include CY-BOCS score after 6 weeks; difference in the proportion of participants achieving a clinically meaningful response or remission; mean clinical global impression of severity and improvement after 6 and 12 weeks; and proportion of participants reporting adverse events possibly or probably related to the study intervention. The primary analyses, carried out according to intention-to-treat principles, will compare the celecoxib to placebo group on each outcome of interest, adjusting for baseline scores using analysis of covariance or logistic regression. Participants will be offered a 12-week open-label celecoxib extension and will be invited to participate in an ancillary study for biomarker analyses. ETHICS AND DISSEMINATION This protocol has been approved by the University of British Columbia Children's and Women's Research Ethics Board and has received a No Objection Letter from Health Canada. The findings will be disseminated in peer-reviewed journals and presentations to multiple stakeholders including patients, parents and healthcare providers. TRIAL REGISTRATION NUMBER NCT04673578.
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Affiliation(s)
- Clara Westwell-Roper
- Division of Child and Adolescent Psychiatry, Department of Psychiatry, Faculty of Medicine, The University of British Columbia, Vancouver, British Columbia, Canada
- Provincial OCD Program, BC Children's Hospital Research Institute, Vancouver, British Columbia, Canada
| | - John R Best
- Division of Child and Adolescent Psychiatry, Department of Psychiatry, Faculty of Medicine, The University of British Columbia, Vancouver, British Columbia, Canada
- Provincial OCD Program, BC Children's Hospital Research Institute, Vancouver, British Columbia, Canada
| | - Dean Elbe
- Division of Child and Adolescent Psychiatry, Department of Psychiatry, Faculty of Medicine, The University of British Columbia, Vancouver, British Columbia, Canada
- Department of Pharmacy, Children's and Women's Health Centre of British Columbia, Vancouver, British Columbia, Canada
- BC Children's Hospital, Vancouver, British Columbia, Canada
| | - Megan MacFadden
- Division of Child and Adolescent Psychiatry, Department of Psychiatry, Faculty of Medicine, The University of British Columbia, Vancouver, British Columbia, Canada
- BC Children's Hospital, Vancouver, British Columbia, Canada
| | - Susan Baer
- Division of Child and Adolescent Psychiatry, Department of Psychiatry, Faculty of Medicine, The University of British Columbia, Vancouver, British Columbia, Canada
- BC Children's Hospital, Vancouver, British Columbia, Canada
| | - Lori Tucker
- BC Children's Hospital, Vancouver, British Columbia, Canada
- Division of Rheumatology, Department of Pediatrics, Faculty of Medicine, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Antony Au
- Division of Child and Adolescent Psychiatry, Department of Psychiatry, Faculty of Medicine, The University of British Columbia, Vancouver, British Columbia, Canada
- Provincial OCD Program, BC Children's Hospital Research Institute, Vancouver, British Columbia, Canada
| | - Zainab Naqqash
- Division of Child and Adolescent Psychiatry, Department of Psychiatry, Faculty of Medicine, The University of British Columbia, Vancouver, British Columbia, Canada
- Provincial OCD Program, BC Children's Hospital Research Institute, Vancouver, British Columbia, Canada
| | - Boyee Lin
- Division of Child and Adolescent Psychiatry, Department of Psychiatry, Faculty of Medicine, The University of British Columbia, Vancouver, British Columbia, Canada
- Provincial OCD Program, BC Children's Hospital Research Institute, Vancouver, British Columbia, Canada
| | - Cynthia Lu
- Division of Child and Adolescent Psychiatry, Department of Psychiatry, Faculty of Medicine, The University of British Columbia, Vancouver, British Columbia, Canada
- Provincial OCD Program, BC Children's Hospital Research Institute, Vancouver, British Columbia, Canada
| | - S Evelyn Stewart
- Division of Child and Adolescent Psychiatry, Department of Psychiatry, Faculty of Medicine, The University of British Columbia, Vancouver, British Columbia, Canada
- Provincial OCD Program, BC Children's Hospital Research Institute, Vancouver, British Columbia, Canada
- BC Children's Hospital, Vancouver, British Columbia, Canada
- British Columbia Mental Health and Substance Use Services Research Institute, Vancouver, British Columbia, Canada
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A triple-blind randomized clinical trial of different associations between dexamethasone and non-steroids anti-inflammatories for preemptive action in third molar extractions. Sci Rep 2021; 11:24445. [PMID: 34961782 PMCID: PMC8712512 DOI: 10.1038/s41598-021-04068-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 12/06/2021] [Indexed: 12/04/2022] Open
Abstract
The aim of this study is to evaluate the preemptive analgesic effects of dexamethasone (DEX) alone or combined with non-steroidal anti-inflammatory drugs (NSAIDs) in third molar surgeries. The subjects were divided into five groups (n = 20 teeth/group); subjects received only 8 mg of dexamethasone 1 h before the surgical procedure (DEX group), or in combination with etodolac (DEX + ETO), ketorolac (DEX + KET), ibuprofen (DEX + IBU), loxoprofen (DEX + LOX). Paracetamol 750 mg was provided as the number of rescue analgesics (NRA). Salivary PGE2 expression was measured preoperatively and at 48 h. Edema and Maximum mouth opening (MMO) were measured postoperatively at 48 h and 7 days. A visual analog scale (VAS) was performed postoperatively at 6, 12, 24, 48, 72 h, and 7 days. Salivary expression of PGE2 showed a decrease only for the DEX group. Edema and MMO and NRA consumption showed no significant differences among the groups (P > 0.05). The VAS showed a significantly lower pain perception at 6 h after the surgery for the DEX + ETO and DEX + KET groups (P < 0.05). The combination of DEX and NSAIDS should be considered for preemptive acute postsurgical pain management in third molar surgery. In some drug associations such as dexamethasone 8 mg + NSAIDS (ETO and KET) in the pre-operative time, only a few rescue analgesics are necessary.
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Wilt S, Kodani S, Valencia L, Hudson PK, Sanchez S, Quintana T, Morisseau C, Hammock BD, Kandasamy R, Pecic S. Further exploration of the structure-activity relationship of dual soluble epoxide hydrolase/fatty acid amide hydrolase inhibitors. Bioorg Med Chem 2021; 51:116507. [PMID: 34794001 DOI: 10.1016/j.bmc.2021.116507] [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: 09/17/2021] [Revised: 10/25/2021] [Accepted: 10/28/2021] [Indexed: 11/30/2022]
Abstract
Fatty acid amide hydrolase (FAAH) is a membrane protein that hydrolyzes endocannabinoids, and its inhibition produces analgesic and anti-inflammatory effects. The soluble epoxide hydrolase (sEH) hydrolyzes epoxyeicosatrienoic acids (EETs) to dihydroxyeicosatetraenoic acids. EETs have anti-inflammatory and inflammation resolving properties, thus inhibition of sEH consequently reduces inflammation. Concurrent inhibition of both enzymes may represent a novel approach in the treatment of chronic pain. Drugs with multiple targets can provide a superior therapeutic effect and a decrease in side effects compared to ligands with single targets. Previously, microwave-assisted methodologies were employed to synthesize libraries of benzothiazole analogs from which high affinity dual inhibitors (e.g. 3, sEH IC50 = 9.6 nM; FAAH IC50 = 7 nM) were identified. Here, our structure-activity relationship studies revealed that the 4-phenylthiazole moiety is well tolerated by both enzymes, producing excellent inhibition potencies in the low nanomolar range (e.g. 6o, sEH IC50 = 2.5 nM; FAAH IC50 = 9.8 nM). Docking experiments show that the new class of dual inhibitors bind within the catalytic sites of both enzymes. Prediction of several pharmacokinetic/pharmacodynamic properties suggest that these new dual inhibitors are good candidates for further in vivo evaluation. Finally, dual inhibitor 3 was tested in the Formalin Test, a rat model of acute inflammatory pain. The data indicate that 3 produces antinociception against the inflammatory phase of the Formalin Test in vivo and is metabolically stable following intraperitoneal administration in male rats. Further, antinociception produced by 3 is comparable to that of ketoprofen, a traditional nonsteroidal anti-inflammatory drug. The results presented here will help toward the long-term goal of developing novel non-opioid therapeutics for pain management.
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Affiliation(s)
- Stephanie Wilt
- Department of Chemistry & Biochemistry, California State University, Fullerton, 800 N. State College, Fullerton, CA 92834, United States
| | - Sean Kodani
- Department of Entomology and Nematology, and UCD Comprehensive Cancer Center, University of California Davis, Davis, CA 95616, United States
| | - Leah Valencia
- Department of Chemistry & Biochemistry, California State University, Fullerton, 800 N. State College, Fullerton, CA 92834, United States
| | - Paula K Hudson
- Department of Chemistry & Biochemistry, California State University, Fullerton, 800 N. State College, Fullerton, CA 92834, United States
| | - Stephanie Sanchez
- Department of Psychology, California State University, East Bay, 25800 Carlos Bee Blvd. Science S229, Hayward, CA 94542, United States
| | - Taylor Quintana
- Department of Psychology, California State University, East Bay, 25800 Carlos Bee Blvd. Science S229, Hayward, CA 94542, United States
| | - Christophe Morisseau
- Department of Entomology and Nematology, and UCD Comprehensive Cancer Center, University of California Davis, Davis, CA 95616, United States
| | - Bruce D Hammock
- Department of Entomology and Nematology, and UCD Comprehensive Cancer Center, University of California Davis, Davis, CA 95616, United States
| | - Ram Kandasamy
- Department of Psychology, California State University, East Bay, 25800 Carlos Bee Blvd. Science S229, Hayward, CA 94542, United States.
| | - Stevan Pecic
- Department of Chemistry & Biochemistry, California State University, Fullerton, 800 N. State College, Fullerton, CA 92834, United States.
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21
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Nam HH, Nan L, Choo BK. Anti-Inflammation and Protective Effects of Anethum graveolens L. (Dill Seeds) on Esophageal Mucosa Damages in Reflux Esophagitis-Induced Rats. Foods 2021; 10:foods10102500. [PMID: 34681549 PMCID: PMC8535990 DOI: 10.3390/foods10102500] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 10/14/2021] [Accepted: 10/16/2021] [Indexed: 12/17/2022] Open
Abstract
Anethum graveolens L. (dill seeds) are important medicinal and functional foods in Europe and central and south Asia, often used as a seasoning in daily diets. Anethum graveolens L. seeds (AGS) are used to treat indigestion and have shown physiological activities such as those against hypoglycemia and gastroesophageal disease. This study explored the protective effects of AGS extract on mucosal damages and inflammation in reflux esophagitis rats. AGS inhibited cellular inflammation including NO production and the expression of inflammatory proteins (iNOS and COX2 etc.), cytokines (IL-1β and TNF-α) and nuclear transfer factor related to NF-κB signaling caused by LPS stimulation in vitro. Furthermore, reflux esophagitis-induced rats were used to observe the anti-inflammatory effect of AGS. Tissue staining and inflammation-related protein expression of rats with acute reflux esophagitis indicated that AGS improved this inflammatory response, such as COX-2 and TNF-α in mucosa. In conclusion, AGS have good physiological activity and the possibility of being used as a medicinal food and a functional resource for the prevention and therapy of gastroesophageal diseases.
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Affiliation(s)
- Hyeon-Hwa Nam
- Herbal Medicine Resources Research Center, Korea Institute of Oriental Medicine, Naju-si 58245, Korea;
| | - Li Nan
- Agricultural College, Yanbian University, Yanji 133002, China;
| | - Byung-Kil Choo
- Department of Crop Science & Biotechnology, Jeonbuk National University, Jeonju 54896, Korea
- Correspondence: ; Tel.: +82-63-270-2526
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22
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Zapata-Morales JR, Alonso-Castro AJ, Muñoz-Martínez GS, Martínez-Rodríguez MM, Nambo-Arcos ME, Brennan-Bourdon LM, Aragón-Martínez OH, Martínez-Morales JF. In vitro and In vivo Synergistic Interactions of the Flavonoid Rutin with Paracetamol and with Non-Steroidal Anti-Inflammatory Drugs. Arch Med Res 2021; 52:611-619. [DOI: 10.1016/j.arcmed.2021.03.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 03/16/2021] [Accepted: 03/26/2021] [Indexed: 01/15/2023]
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23
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Wellnitz O, Bruckmaier RM. Invited review: The role of the blood-milk barrier and its manipulation for the efficacy of the mammary immune response and milk production. J Dairy Sci 2021; 104:6376-6388. [PMID: 33773785 DOI: 10.3168/jds.2020-20029] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Accepted: 02/09/2021] [Indexed: 12/15/2022]
Abstract
The intact blood-milk barrier (BMB) prevents an uncontrolled exchange of soluble and cellular components between blood and milk in the mammary gland. It enables the sustainability of the optimal milk composition for the nourishment of the offspring. Endothelial cells, connective tissue, the basal membrane, and mainly the epithelial cells provide the semipermeability of this barrier, allowing only a selective transfer of components necessary for milk production. The epithelial cells are closely connected to each other by different formations, in which the tight junctions are the most critical for separating the milk-containing compartments from the surrounding extracellular fluid and vasculature. During mastitis, the integrity of the BMB is reduced. This facilitates the transfer of immune cells and immune factors such as antibodies from blood into milk. Simultaneously, the transfer of soluble blood constituents without an obvious immune function into milk is promoted. Furthermore, a reduced BMB integrity causes a loss of milk constituents into the blood circulation. Different mechanisms are responsible for the barrier impairment including tight junction opening, but also cell degradation. To promote the cure of mastitis, the targeted manipulation of the BMB permeability may be a tool to optimize the immune function of the mammary gland. An intensified opening of the BMB supports the antibody transfer from blood into milk, which is supposed to increase the contribution of the specific immune system in the immune defense. On the contrary, a fast closure of the BMB during the recovery from mastitis can accelerate the normalization of milk composition and milk yield. Various agents have been experimentally shown to either open (e.g., pathogens and pathogen-associated molecular patterns, several nonsteroidal anti-inflammatory drugs, oxytocin, calcium chelators) or close (e.g., glucocorticoids, nonsteroidal anti-inflammatory drugs, natural anti-inflammatory drugs) the BMB.
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Affiliation(s)
- O Wellnitz
- Veterinary Physiology, Vetsuisse Faculty, University of Bern, 3001 Bern, Switzerland.
| | - R M Bruckmaier
- Veterinary Physiology, Vetsuisse Faculty, University of Bern, 3001 Bern, Switzerland
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24
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Proteomic profiling identifies key differences between inter-stage infants with single ventricle heart disease and healthy controls. Transl Res 2021; 229:24-37. [PMID: 33045409 PMCID: PMC8191179 DOI: 10.1016/j.trsl.2020.10.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 09/25/2020] [Accepted: 10/05/2020] [Indexed: 12/17/2022]
Abstract
Despite significant morbidity among infants with single ventricle heart disease (SVHD), clinical monitoring is limited by poor understanding of the underlying pathobiology. Proteomics can identify novel biomarkers and important pathways in complex disease. No prior study has evaluated whether the proteome of SVHD infants differs from healthy controls, how it shifts after stage 2 palliation, or whether differences can predict post-operative outcomes. We present a prospective cohort study of cardiovascular proteomic phenotyping in infants with SVHD undergoing stage 2 palliation. Twenty-nine pre-stage-2 SVHD infants and 25 healthy controls were enrolled. Outcomes included postoperative hypoxemia and endotracheal intubation time. Serum samples were drawn pre-operatively (systemic and pulmonary vein) and at 24 hours postoperation. Targeted cardiovascular proteomic analysis included 184 proteins. Partial least squares discriminant analysis distinguished cases from controls (Accuracy = 0.98, R2 = 0.93, Q2 = 0.81) with decreased inflammatory mediators and increased modulators of vascular tone. Partial least squares discriminant analysis also distinguished cases pre-operation vs. post-operation (Accuracy=0.98, R2=0.99, Q2 = 0.92) with postoperative increase in both inflammatory and vascular tone mediators. Pre-operation pulmonary vein tissue inhibitor of metalloproteinase-1 (1.8x-fold, p=1.6 × 10-4) and nidogen-1 (1.5x-fold, p=1.7 × 10-4) were higher in subjects with longer endotracheal intubation time. Postoperation matrix metalloproteinase 7 levels were higher in subjects with greater postoperative hypoxemia (1.5x-fold, P= 1.97 × 10-5). Proteomic analysis identifies significant changes among SVHD infants pre- and post-stage 2, and healthy controls. Tissue inhibitor of metalloproteinase-1, nidogen-1, and matrix metalloproteinase 7 levels are higher in SVHD cases with greater morbidity suggesting an important role for regulation of extracellular matrix production. Proteomic profiling may identify high-risk SVHD infants.
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25
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Bogado Pascottini O, Spricigo JFW, Van Schyndel SJ, Mion B, Rousseau J, Weese JS, LeBlanc SJ. Effects of parity, blood progesterone, and non-steroidal anti-inflammatory treatment on the dynamics of the uterine microbiota of healthy postpartum dairy cows. PLoS One 2021; 16:e0233943. [PMID: 33606706 PMCID: PMC7895344 DOI: 10.1371/journal.pone.0233943] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Accepted: 01/28/2021] [Indexed: 01/10/2023] Open
Abstract
This study evaluated the effects of treatment with meloxicam (a non-steroidal anti-inflammatory drug), parity, and blood progesterone concentration on the dynamics of the uterine microbiota of 16 clinically healthy postpartum dairy cows. Seven primiparous and 9 multiparous postpartum Holstein cows either received meloxicam (0.5 mg/kg SC, n = 7 cows) once daily for 4 days (10 to 13 days in milk (DIM)) or were untreated (n = 9 cows). Endometrial cytology samples were collected by cytobrush at 10, 21, and 35 DIM, from which the microbiota analysis was conducted using 16S rRNA gene sequence analysis. A radioimmunoassay was used to measure progesterone concentration in blood serum samples at 35 DIM and cows were classified as ˃ 1 ng/mL (n = 10) or ≤ 1 ng/mL (n = 6). Alpha diversity for bacterial genera (Chao1, Shannon-Weiner, and Camargo’s evenness indices) were not affected by DIM, meloxicam treatment, parity, or progesterone category. For beta diversity (genera level), principal coordinate analysis (Bray-Curtis) showed differences in microbiota between parity groups. At the phylum level, the relative abundance of Actinobacteria was greater in primiparous than multiparous cows. At the genus level, there was lesser relative abundance of Bifidobacterium, Lactobacillus, Neisseriaceae, Paracoccus, Staphylococcus, and Streptococcus and greater relative abundance of Bacillus and Fusobacterium in primiparous than multiparous cows. Bray-Curtis dissimilarity did not differ by DIM at sampling, meloxicam treatment, or progesterone category at 35 DIM. In conclusion, uterine bacterial composition was not different at 10, 21, or 35 DIM, and meloxicam treatment or progesterone category did not affect the uterine microbiota in clinically healthy postpartum dairy cows. Primiparous cows presented a different composition of uterine bacteria than multiparous cows. The differences in microbiota associated with parity might be attributable to changes that occur consequent to the first calving, but this hypothesis should be investigated further.
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Affiliation(s)
- O. Bogado Pascottini
- Population Medicine, Ontario Veterinary College, University of Guelph, Guelph, ON, Canada
- * E-mail:
| | - J. F. W. Spricigo
- Department of Animal Biosciences, University of Guelph, Guelph, ON, Canada
| | - S. J. Van Schyndel
- Population Medicine, Ontario Veterinary College, University of Guelph, Guelph, ON, Canada
| | - B. Mion
- Department of Animal Biosciences, University of Guelph, Guelph, ON, Canada
| | - J. Rousseau
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, ON, Canada
| | - J. S. Weese
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, ON, Canada
| | - S. J. LeBlanc
- Population Medicine, Ontario Veterinary College, University of Guelph, Guelph, ON, Canada
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26
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González-Lugo OE, Pozos-Guillén A, Ponce-Peña P, Lares-Asseff I, Escobar-García DM, Campos-Cantón I, Vértiz-Hernández AA. Synergistic interaction between 4-allyl-1-hydroxy-2-methoxybenzene (eugenol) and diclofenac: An isobolograpic analysis in Wistar rats. Drug Dev Res 2020; 81:978-984. [PMID: 32737935 DOI: 10.1002/ddr.21713] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 06/01/2020] [Accepted: 06/08/2020] [Indexed: 11/30/2023]
Abstract
Clinical and preclinical research that contributes pain palliation has suggested that drugs favor the expected effects and minimize the adverse effects. Among the most widely used strategies is the combination of analgesic drugs among those in the same group, with those in another group of analgesics or with co-adjuvants (nonanalgesic drugs or elements of traditional medicine). This work aims to evaluate the interaction between eugenol (EUG) and diclofenac (DFC) on nociception in the presence of a noxious stimulus through the formalin test and isobolographic analysis. The results indicate that EUG, DFC, or the combination of both produce an antinociceptive effect in rodents (p ≤ 0.05). Local co-administration of EUG and DFC gave a theoretical effective dose (Zadd ) 2,936.27 ± 155.33 μg/kg (p ≤ 0.05) significantly higher as compared to the effective experimental doses (Zmix ) of 866.89 ± 0.02 μg/kg in phase 1 and 292.88 ± 0.05 μg/kg in phase 2, with an interaction index of 0.29 and 0.09, respectively. These data allow concluding that the interaction derived from the joint administration of EUG and DFC, in the rodent at a local level, is synergistic.
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Affiliation(s)
| | - Amaury Pozos-Guillén
- Basic Sciences Laboratory, Faculty of Dentistry, San Luis Potosi University, San Luis Potosi, Mexico
| | - Patricia Ponce-Peña
- Pharmacognosy Laboratory, Faculty of Chemical Sciences, Juárez University of Durango State, Durango, Mexico
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27
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Wu CL, Jules-Elysee KM, Kirksey MA, Liguori GA. Perioperative Nonsteroidal Anti-Inflammatory Agents in the COVID-19 Orthopedic Patient. HSS J 2020; 16:97-101. [PMID: 32952464 PMCID: PMC7489195 DOI: 10.1007/s11420-020-09783-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 07/23/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND SARS-CoV-2 infection can cause serious complications beyond lung injury and respiratory failure, including sepsis, cardiovascular injury, renal failure, coagulation abnormalities, and neurologic injury. Widely used medications such as nonsteroidal anti-inflammatory drugs (NSAIDs) have been flagged as having the potential to cause harm in the context of COVID-19. It is unknown if the benefits of NSAID use in the orthopedic population will outweigh the potential risks of increased morbidity in COVID-19 orthopedic patients. METHODS We conducted a narrative review of the use of NSAIDs in the orthopedic patient with COVID-19, focusing on the effects of NSAIDs on the inflammatory process, the role of NSAIDs in orthopedics, and the associations between NSAID use and complications of pneumonia. RESULTS We found that it may be appropriate to consider NSAID use in otherwise healthy orthopedic patients with COVID-19 and significant pain. CONCLUSIONS In this context, we recommend that NSAIDs be used at the lowest effective dose for the shortest duration possible in orthopedic patients with COVID-19. However, pending further data and based on the concerns outlined in this review, we recommend avoiding NSAIDs in orthopedic patients with significant comorbidities and those who are undergoing major orthopedic surgery.
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Affiliation(s)
- Christopher L. Wu
- Department of Anesthesiology Critical Care & Pain Management, Hospital for Special Surgery, 535 East 70th St, New York, NY 10021 USA
- Department of Anesthesiology, Weill Cornell Medicine, New York, NY USA
| | - Kethy M. Jules-Elysee
- Department of Anesthesiology Critical Care & Pain Management, Hospital for Special Surgery, 535 East 70th St, New York, NY 10021 USA
- Department of Anesthesiology, Weill Cornell Medicine, New York, NY USA
| | - Meghan A. Kirksey
- Department of Anesthesiology Critical Care & Pain Management, Hospital for Special Surgery, 535 East 70th St, New York, NY 10021 USA
- Department of Anesthesiology, Weill Cornell Medicine, New York, NY USA
| | - Gregory A. Liguori
- Department of Anesthesiology Critical Care & Pain Management, Hospital for Special Surgery, 535 East 70th St, New York, NY 10021 USA
- Department of Anesthesiology, Weill Cornell Medicine, New York, NY USA
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28
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Sintes GF, Bruckmaier RM, Wellnitz O. Nonsteroidal anti-inflammatory drugs affect the mammary epithelial barrier during inflammation. J Dairy Sci 2020; 103:10742-10753. [PMID: 32896404 DOI: 10.3168/jds.2020-18818] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Accepted: 06/25/2020] [Indexed: 12/30/2022]
Abstract
During inflammation of the mammary gland, the blood-milk barrier, which is predominantly composed of mammary epithelial cells, loses its integrity and gradients between blood and milk cannot be maintained. Nonsteroidal anti-inflammatory drugs (NSAID) are commonly used systemically in combination with local administration of antimicrobials in mastitis treatments of dairy cows to improve the well-being of the cow during the disease. However, the knowledge about their effects on the blood-milk barrier is low. This study aimed to investigate effects of different NSAID, with different selectivity of cyclooxygenase-inhibition, on the transepithelial electrical resistance (TEER) and capacitance, cell viability, and expression of tumor necrosis factor α of bovine mammary epithelial barriers in vitro. Primary mammary epithelial cells of 3 different cows were challenged with lipopolysaccharide (LPS) from Escherichia coli with or without addition of ketoprofen (1.25 mg/mL or 4 mM), flunixin meglumine (1.0 mg/mL or 4 mM), meloxicam (0.25 mg/mL, 0.75 mg/mL, or 4 mM), diclofenac (0.75 mg/mL or 4 mM) or celecoxib (0.05 mg/mL) for 6 h. Concentrations were adapted to comparable relations of the recommended dosage for systemic application. Additionally, a similar molar concentration of all NSAID was used. Lipopolysaccharide with or without NSAID induced a decrease in TEER within 5 h, which returned to control level within 14 h. Viability of cells challenged with LPS only was not affected. However, the cell viability was decreased with increasing concentrations of NSAID and this effect was amplified with simultaneous LPS challenge. Ketoprofen at both dosages, flunixin meglumine at 1.0 mg/mL, and meloxicam at 0.75 mg/mL accelerated the recovery of TEER in comparison to LPS only (return to control level within 9 h). The comparison of NSAID effects at the same molecular quantity of 4 mM showed different effect on the barrier in which ketoprofen accelerated the recovery after LPS-induced barrier opening, whereas meloxicam and diclofenac slowed down the recovery (return to control level after 24 h). In conclusion, NSAID do not prevent the mammary epithelial barrier opening by LPS; however, ketoprofen, flunixin meglumine, and meloxicam obviously support the re-establishment of the barrier integrity. Used in mastitis therapy at an optimized dosage the tested NSAID would likely support the recovery of milk composition. However, an overdose of NSAID would likely cause tissue irritation and in turn, a delayed recovery of the barrier permeability.
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Affiliation(s)
- G F Sintes
- Veterinary Physiology, Vetsuisse Faculty, University of Bern, 3001 Bern, Switzerland
| | - R M Bruckmaier
- Veterinary Physiology, Vetsuisse Faculty, University of Bern, 3001 Bern, Switzerland
| | - O Wellnitz
- Veterinary Physiology, Vetsuisse Faculty, University of Bern, 3001 Bern, Switzerland.
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29
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A narrative review of the potential pharmacological influence and safety of ibuprofen on coronavirus disease 19 (COVID-19), ACE2, and the immune system: a dichotomy of expectation and reality. Inflammopharmacology 2020; 28:1141-1152. [PMID: 32797326 PMCID: PMC7427497 DOI: 10.1007/s10787-020-00745-z] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Accepted: 08/01/2020] [Indexed: 12/13/2022]
Abstract
The coronavirus disease 19 (COVID-19) pandemic is currently the most acute healthcare challenge in the world. Despite growing knowledge of the nature of Severe Acute Respiratory Syndrome coronavirus-2 (SARS-CoV-2), treatment options are still poorly defined. The safety of non-steroidal anti-inflammatory drugs (NSAIDs), specifically ibuprofen, has been openly questioned without any supporting evidence or clarity over dose, duration, or temporality of administration. This has been further conflicted by the initiation of studies to assess the efficacy of ibuprofen in improving outcomes in severe COVID-19 patients. To clarify the scientific reality, a literature search was conducted alongside considerations of the pharmacological properties of ibuprofen in order to construct this narrative review. The literature suggests that double-blind, placebo-controlled study results must be reported and carefully analysed for safety and efficacy in patients with COVID-19 before any recommendations can be made regarding the use of ibuprofen in such patients. Limited studies have suggested: (i) no direct interactions between ibuprofen and SARS-CoV-2 and (ii) there is no evidence to suggest ibuprofen affects the regulation of angiotensin-converting-enzyme 2 (ACE2), the receptor for COVID-19, in human studies. Furthermore, in vitro studies suggest ibuprofen may facilitate cleavage of ACE2 from the membrane, preventing membrane-dependent viral entry into the cell, the clinical significance of which is uncertain. Additionally, in vitro evidence suggests that inhibition of the transcription factor nuclear factor-κB (NF-kB) by ibuprofen may have a role in reducing excess inflammation or cytokine release in COVID-19 patients. Finally, there is no evidence that ibuprofen will aggravate or increase the chance of infection of COVID-19.
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30
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Miranda HF, Noriega V, Sierralta F, Sotomayor-Zárate R, Prieto JC. The Antinociceptive Activities of Certain NSAIDS Combinations in Murine Orofacial Test. Drug Res (Stuttg) 2020; 70:424-428. [PMID: 32707591 DOI: 10.1055/a-1217-6777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Pain models are mostly in rodents and between them formalin orofacial test allow discrimination among antinociception and anti-inflammation. This assay use a formalin solution injected into the upper right lip of each mouse which produces two periods of pain separated by an inactive period. The aims of the present study were to evaluate, by means of the isobolographic analysis, the antinociception and anti-inflammatory activities of the following NSAIDs: dexketoprofen, diclofenac, piroxicam and metamizole in an orofacial. The NSAIDs administered intraperitoneally produced a dose-dependent activity with the following order of potency of the rubbing behavior, in phase I: diclofenac>dexketoprofen>piroxicam>metamizole and in the phase II: metamizole>diclofenac>piroxicam>dexketoprofen. The coadministration of NSAIDs resulted in a synergistic interaction, which according to the value of the potency of the combination (II) presents the following range: dexketoprofen plus metamizole>dexketoprofen plus diclofenac>dexketoprofen plus piroxicam, in phase I and dexketoprofen plus metamizole>dexketoprofen plus piroxicam>dexketoprofen plus diclofenac, on the phase II. Data obtained in this work corroborate that NSAIDs alone or in combination inducing activities by additional mechanism of action supplementary to inhibition of COXs. This fact represent a novel approach that could be used as multimodal management of orofacial pain, since with this treatment strategies, by the reduction of doses, can help to diminish side effects of other dugs such opioids.
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Affiliation(s)
- Hugo F Miranda
- Neuroscience Department, Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Viviana Noriega
- Cardiovascular Department, Clinical Hospital, Universidad de Chile, Santiago, Chile
| | - Fernando Sierralta
- Pharmacology Program, ICBM, Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Ramón Sotomayor-Zárate
- Neurochemistry and Neuropharmacology Laboratory, Institute of Physiology, Faculty of Sciences, Universidad de Valparaíso, Valparaíso, Chile
| | - Juan Carlos Prieto
- Cardiovascular Department, Clinical Hospital, Universidad de Chile, Santiago, Chile.,Pharmacology Program, ICBM, Faculty of Medicine, Universidad de Chile, Santiago, Chile
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31
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NSAIDs may increase the risk of thrombosis and acute renal failure in patients with COVID-19 infection. Therapie 2020. [PMID: 32636031 DOI: 10.1016/j.therap.2020.06.012.] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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32
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Cumhur Cure M, Kucuk A, Cure E. NSAIDs may increase the risk of thrombosis and acute renal failure in patients with COVID-19 infection. Therapie 2020; 75:387-388. [PMID: 32636031 PMCID: PMC7320673 DOI: 10.1016/j.therap.2020.06.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Accepted: 06/25/2020] [Indexed: 02/07/2023]
Affiliation(s)
| | - Adem Kucuk
- Department of rheumatology, Meram Tip faculty, Necmettin Erbakan university, 42090 Konya, Turkey
| | - Erkan Cure
- Department of internal medicine, Ota & Jinemed hospital, Deryadil Sokagi No: 1, 34357 Istanbul, Turkey.
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33
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Fu X, Tan T, Liu P. Regulation of Autophagy by Non-Steroidal Anti-Inflammatory Drugs in Cancer. Cancer Manag Res 2020; 12:4595-4604. [PMID: 32606952 PMCID: PMC7305821 DOI: 10.2147/cmar.s253345] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Accepted: 05/12/2020] [Indexed: 12/23/2022] Open
Abstract
Cancer is the leading cause of death, placing a substantial global health burden. The development of the most effective treatment regimen is the unmet clinical need for cancer. Inflammation plays a role in tumorigenesis and progression, and anti-inflammation may be a promising option for cancer management and prevention. Emerging studies have shown that non-steroidal anti-inflammatory drugs (NSAIDs) display anticarcinogenic and chemopreventive properties through the regulation of autophagy in certain types of cancer. In this review, we summarize the pharmacological functions and side effects of NSAIDs as chemotherapeutic agents, and focus on its mode of action on autophagy regulation, which increases our knowledge of NSAIDs and cancer-related inflammation, and contributes to a putative addition of NSAIDs in the chemoprevention and treatment of cancer.
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Affiliation(s)
- Xiangjie Fu
- Cholestatic Liver Diseases Center and Department of Gastroenterology, Southwest Hospital, Third Military Medical University, Chongqing, People's Republic of China
| | - Tan Tan
- Translational Medicine Institute, The First Affiliated Hospital of Chenzhou, University of South China, Hunan, People's Republic of China
| | - Peijun Liu
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Shanxi, People's Republic of China
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Westwell-Roper C, Stewart SE. Commentary: Neurobiology and Therapeutic Potential of Cyclooxygenase-2 (COX-2) Inhibitors for Inflammation in Neuropsychiatric Disorders. Front Psychiatry 2020; 11:264. [PMID: 32425818 PMCID: PMC7212432 DOI: 10.3389/fpsyt.2020.00264] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Accepted: 03/18/2020] [Indexed: 01/08/2023] Open
Affiliation(s)
- Clara Westwell-Roper
- Department of Psychiatry, Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
- British Columbia Children's Hospital Research Institute, Vancouver, BC, Canada
| | - S. Evelyn Stewart
- Department of Psychiatry, Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
- British Columbia Children's Hospital Research Institute, Vancouver, BC, Canada
- BC Mental Health and Substance Use Services Research Institute, Vancouver, BC, Canada
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Release of the Non-Steroidal Anti-Inflammatory Drug Flufenamic Acid by Multiparticulate Delivery Systems Promotes Adipogenic Differentiation of Adipose-Derived Stem Cells. MATERIALS 2020; 13:ma13071550. [PMID: 32230892 PMCID: PMC7178062 DOI: 10.3390/ma13071550] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 03/21/2020] [Accepted: 03/25/2020] [Indexed: 12/31/2022]
Abstract
Engineered tissue-like structures often instigate an inflammatory response in the host that can inhibit wound healing and ultimately lead to the rejection of the implant. In our previous study, we have characterized the properties and biocompatibility of novel multiparticulate drug delivery systems (MDDS), based on collagen matrix with gradual release of anti-inflammatory drug flufenamic acid, we evaluated their anti-inflammatory potential and demonstrated their efficiency against burns and soft tissue lesions. In addition to these results, FA was previously described as a stimulant for adipogenesis, therefore we hypothesized that MDDS might also be appropriate for adipose tissue engineering. After the cell-scaffold constructs were obtained, cell morphology, adhesion and spreading on the systems were highlighted by scanning electron microscopy, immunostaining and confocal microscopy. The effect of FA-enriched materials on adipogenesis was evaluated at gene and protein level, by RT-qPCR, confocal microscopy and immunohistochemistry. Our current work indicates that flufenamic acid plays a beneficial role in adipocyte differentiation, with a direct effect upon the gene and protein expression of important early and late markers of adipogenesis, such as PPARγ2 and perilipin.
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Pascottini OB, Van Schyndel SJ, Spricigo JFW, Carvalho MR, Mion B, Ribeiro ES, LeBlanc SJ. Effect of anti-inflammatory treatment on systemic inflammation, immune function, and endometrial health in postpartum dairy cows. Sci Rep 2020; 10:5236. [PMID: 32251312 PMCID: PMC7090035 DOI: 10.1038/s41598-020-62103-x] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Accepted: 03/06/2020] [Indexed: 01/05/2023] Open
Abstract
Systemic inflammation (SI) is increasingly studied in several species because it may be central in many metabolic disturbances and be a risk factor for clinical disease. This proof-of-concept study evaluated the effects of the anti-inflammatory drug meloxicam on markers of SI and energy metabolism, polymorphonuclear neutrophil (PMN) function, and endometritis in clinically healthy postpartum dairy cows. Cows received meloxicam (0.5 mg/kg of body weight; n = 20) once daily for 4 days (10-13 days postpartum) or were untreated (n = 22). Blood samples were collected -7, 1, 3, 5, 7, 10, 11, 12, 13, 14, 18, 21, 28, and 35 days relative to calving to measure serum concentrations of metabolic and inflammatory markers. Function of peripheral blood PMN were evaluated at 5, 10, 14, and 21, and proportion of PMN in endometrial cytology were performed at 5, 10, 14, 21, 28 and 35 days postpartum. Meloxicam decreased serum haptoglobin from the second until the last day of treatment, and improved indicators of energy metabolism (lesser β-hydroxybutyrate and greater insulin-like growth factor-1 during treatment, and greater glucose at the end of treatment than control cows). This improved PMN function at 14 days postpartum, but the endometrial inflammatory status was not affected.
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Affiliation(s)
- O Bogado Pascottini
- Department of Population Medicine, University of Guelph, Guelph, Ontario, N1G 2W1, Canada.
| | - S J Van Schyndel
- Department of Population Medicine, University of Guelph, Guelph, Ontario, N1G 2W1, Canada
| | - J F W Spricigo
- Department of Animal Biosciences, University of Guelph, Guelph, ON, N1G 2W1, Canada
| | - M R Carvalho
- Department of Animal Biosciences, University of Guelph, Guelph, ON, N1G 2W1, Canada
| | - B Mion
- Department of Animal Biosciences, University of Guelph, Guelph, ON, N1G 2W1, Canada
| | - E S Ribeiro
- Department of Animal Biosciences, University of Guelph, Guelph, ON, N1G 2W1, Canada
| | - S J LeBlanc
- Department of Population Medicine, University of Guelph, Guelph, Ontario, N1G 2W1, Canada
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Pascottini OB, LeBlanc SJ. Modulation of immune function in the bovine uterus peripartum. Theriogenology 2020; 150:193-200. [PMID: 31987594 DOI: 10.1016/j.theriogenology.2020.01.042] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Accepted: 01/18/2020] [Indexed: 12/30/2022]
Abstract
There is a high risk of clinical or subclinical reproductive tract disease in the postpartum period in dairy cows. An integrated process of adaptive events should occur synchronously, including a robust but well-regulated immune response in the uterus. Failure of this process may result in reproductive tract inflammatory disease. Up to half of postpartum dairy cows are affected by metritis, purulent vaginal discharge (PVD), or subclinical endometritis. After parturition there is damage to the birth canal, the superficial layer of the endometrium is naturally wounded, and essentially all dairy cows have bacterial contamination in the uterus. Neutrophils are the most abundant type of inflammatory cell and the main line of defence against infection in the uterus. A prompt influx of neutrophils is associated with uterine health. Avoidance of clinical disease (metritis and PVD) depends in large part on how effective the immune response is at limiting the burden and effects of bacterial pathogens, while the occurrence of subclinical endometritis is more a function of avoiding excessive or persistent inflammation. Glucose supply, hypocalcemia, lipid mobilization from body fat, ketosis, and the flux of pro-inflammatory cytokines influence immune response and change rapidly and variably among individual cows. Effective but well-regulated inflammatory response will be favoured by best management practices for transition cows, but specific interventions to modulate immune response to prevent uterine disease remain developmental.
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Affiliation(s)
| | - Stephen J LeBlanc
- Department of Population Medicine, University of Guelph, Guelph, ON, N1G 2W1, Canada.
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Liu Q, Mu Y, An Q, Xun J, Ma J, Wu W, Xu M, Xu J, Han L, Huang X. Total synthesis and anti-inflammatory evaluation of violacin A and its analogues. Bioorg Chem 2020; 94:103420. [DOI: 10.1016/j.bioorg.2019.103420] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Accepted: 11/01/2019] [Indexed: 12/16/2022]
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DeMarco GJ, Nunamaker EA. A Review of the Effects of Pain and Analgesia on Immune System Function and Inflammation: Relevance for Preclinical Studies. Comp Med 2019; 69:520-534. [PMID: 31896389 PMCID: PMC6935697 DOI: 10.30802/aalas-cm-19-000041] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
One of the most significant challenges facing investigators, laboratory animal veterinarians, and IACUCs, is how to balance appropriate analgesic use, animal welfare, and analgesic impact on experimental results. This is particularly true for in vivo studies on immune system function and inflammatory disease. Often times the effects of analgesic drugs on a particular immune function or model are incomplete or don't exist. Further complicating the picture is evidence of the very tight integration and bidirectional functionality between the immune system and branches of the nervous system involved in nociception and pain. These relationships have advanced the concept of understanding pain as a protective neuroimmune function and recognizing pathologic pain as a neuroimmune disease. This review strives to summarize extant literature on the effects of pain and analgesia on immune system function and inflammation in the context of preclinical in vivo studies. The authors hope this work will help to guide selection of analgesics for preclinical studies of inflammatory disease and immune system function.
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Key Words
- cb,endocannabinoid receptor
- cd,crohn disease
- cfa, complete freund adjuvant
- cgrp,calcitonin gene-related peptide
- cox,cyclooxygenase
- ctl, cytotoxic t-lymphocytes
- damp,damage-associated molecular pattern molecules
- drg,dorsal root ganglion
- dss, dextran sodium sulphate
- ecs,endocannabinoid system
- ibd, inflammatory bowel disease
- ifa,incomplete freund adjuvant
- las, local anesthetics
- pamp,pathogen-associated molecular pattern molecules
- pge2, prostaglandin e2
- p2y, atp purine receptor y
- p2x, atp purine receptor x
- tnbs, 2,4,6-trinitrobenzene sulphonic acid
- trp, transient receptor potential ion channels
- trpv, transient receptor potential vanilloid
- tg,trigeminal ganglion
- uc,ulcerative colitis
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Affiliation(s)
- George J DeMarco
- Department of Animal Medicine, University of Massachusetts Medical School, Worcester, Massachusetts;,
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Benbow T, Campbell J. Microemulsions as transdermal drug delivery systems for nonsteroidal anti-inflammatory drugs (NSAIDs): a literature review. Drug Dev Ind Pharm 2019; 45:1849-1855. [DOI: 10.1080/03639045.2019.1680996] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Tarique Benbow
- Faculty of Pharmaceutical Sciences, The University of British Columbia, Vancouver, Canada
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Anti-inflammatory action of YHQ by regulating 5-LOX/COX-2/NF-κB/MAPKs/Akt signaling pathways in RAW 264.7 macrophage cells. J Herb Med 2019. [DOI: 10.1016/j.hermed.2019.100269] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Martínez-Hervás S, González-Navarro H. Terapias antiinflamatorias para la enfermedad cardiovascular: vías de señalización y mecanismos. Rev Esp Cardiol 2019. [DOI: 10.1016/j.recesp.2019.02.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Formulation and Characterization of Aceclofenac-Loaded Nanofiber Based Orally Dissolving Webs. Pharmaceutics 2019; 11:pharmaceutics11080417. [PMID: 31426548 PMCID: PMC6723287 DOI: 10.3390/pharmaceutics11080417] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 08/02/2019] [Accepted: 08/12/2019] [Indexed: 12/27/2022] Open
Abstract
Aceclofenac-loaded poly(vinyl-pyrrolidone)-based nanofiber formulations were prepared by electrospinning to obtain drug-loaded orally disintegrating webs to enhance the solubility and dissolution rate of the poorly soluble anti-inflammatory active that belongs to the BCS Class-II. Triethanolamine-containing ternary composite of aceclofenac-poly(vinyl-pyrrolidone) nanofibers were formulated to exert the synergistic effect on the drug-dissolution improvement. The composition and the electrospinning parameters were changed to select the fibrous sample of optimum fiber characteristics. To determine the morphology of the nanofibers, scanning electron microscopy was used. Fourier transform infrared spectroscopy (FT-IR), and differential scanning calorimetry (DSC) were applied for the solid-state characterization of the samples, while the drug release profile was followed by the in vitro dissolution test. The nanofibrous formulations had diameters in the range of few hundred nanometers. FT-IR spectra and DSC thermograms indicated the amorphization of aceclofenac, which resulted in a rapid release of the active substance. The characteristics of the selected ternary fiber composition (10 mg/g aceclofenac, 1% w/w triethanolamine, 15% w/w PVPK90) were found to be suitable for obtaining orally dissolving webs of fast dissolution and potential oral absorption.
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Naeem S, Najam R, Khan SS, Mirza T, Sikandar B. Neuroprotective effect of diclofenac on chlorpromazine induced catalepsy in rats. Metab Brain Dis 2019; 34:1191-1199. [PMID: 31055785 DOI: 10.1007/s11011-019-00416-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Accepted: 01/02/2019] [Indexed: 02/07/2023]
Abstract
Neuroinflammation plays a key role in progressive degeneration of dopaminergic cells. Upregulation of prostaglandins and free radicals formation are involved in the mechanisms of cell death in Parkinson's disease (PD). The present study aimed to investigate the neuroprotective effect of diclofenac against chlorpromazine (CPZ) induced catalepsy and motor impairment in mice. Adult Wistar rats treated with CPZ (3 mg/kg/day, IP) were orally dosed with diclofenac and L-dopa/carbidopa for 21 days. Catalepsy was measured after 21 days of dosing by using standard bar test at 30, 60, 90, 120 and 180 min then motor performances were assessed via open field test and wire hanging test. Histopathological investigation and determination of dopamine (DA) and 3,4-Dihydroxyphenylacetic acid (DOPAC) levels of rat's brain was also carried out. We found that CPZ treated group exhibited reduced motor impairment after 21 days of treatment in open field and wire hanging test (P < 0.01) as compared to control group. The cataleptic scores of CPZ treated rats were also significantly increased (P < 0.01) after 21 days of chronic dosing, however diclofenac treated groups showed significant reduction in cataleptic scores with improved motor performances. Histopathology of CPZ treated rats showed marked degeneration with architecture distortion in the mid brain region. Dopaminergic degeneration is confirmed by neurochemical results that showed reduced amount of dopamine and DOPAC levels in mid brain. Moreover, histopathological slides of diclofenac treated rats showed improved architecture with reduced gliosis of mid brain region as well as improved dopamine and DOPAC levels were achieved after 21 days dosing of diclofenac. Taken together, the present work provide an evidence that diclofenac ameliorated behavioral performances by mediating neuroprotection against CPZ induced PD via preventing dopaminergic neuronal cell death.
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Affiliation(s)
- Sadaf Naeem
- Department of Pharmacology, University of Karachi, Karachi, Pakistan.
| | - Rahila Najam
- Department of Pharmacology, University of Karachi, Karachi, Pakistan
| | - Saira Saeed Khan
- Department of Pharmacology, University of Karachi, Karachi, Pakistan
| | - Talat Mirza
- Department of Pathology, Dow University of Health Sciences, Karachi, Pakistan
| | - Bushra Sikandar
- Department of Pathology, Dow University of Health Sciences, Karachi, Pakistan
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Anti-inflammatory Therapies for Cardiovascular Disease: Signaling Pathways and Mechanisms. ACTA ACUST UNITED AC 2019; 72:767-773. [PMID: 31155366 DOI: 10.1016/j.rec.2019.03.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Accepted: 03/15/2019] [Indexed: 12/23/2022]
Abstract
Cardiovascular diseases (CVD) are the clinical manifestation of atherosclerosis, a chronic inflammatory disease promoted by several risk factors such as dyslipidemia, type 2 diabetes mellitus, hypertension, and smoking. Acute CVD events are the result of an unresolved inflammatory chronic state that promotes the rupture of unstable plaque lesions. Of note, the existing intensive therapies modify risk factors but do not prevent life-threatening recurrent ischemic events in high-risk patients, who have a residual inflammatory risk displayed by increased C-reactive protein (CRP) levels. Better understanding of the role of innate and adaptive immunity in plaque development and rupture has led to intensive investigation of anti-inflammatory strategies for CVD. Some of them are being tested in specific clinical trials and use lower doses of existing medications originally developed for other inflammatory diseases such as rheumatoid arthritis and psoriasis, which have high CVD risk. Other investigations are retrospective and meta-analyses of existing clinical trials that evaluate the incidence of CVD in these inflammatory diseases. Others are based on preclinical testing such as vaccines. In this article, we summarize the main anti-inflammatory strategies and associated molecular mechanisms that are being evaluated in preclinical or clinical CVD studies.
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Hu TY, Ju JM, Mo LH, Ma L, Hu WH, You RR, Chen XQ, Chen YY, Liu ZQ, Qiu SQ, Fan JT, Cheng BH. Anti-inflammation action of xanthones from Swertia chirayita by regulating COX-2/NF-κB/MAPKs/Akt signaling pathways in RAW 264.7 macrophage cells. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2019; 55:214-221. [PMID: 30668431 DOI: 10.1016/j.phymed.2018.08.001] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2018] [Revised: 06/11/2018] [Accepted: 08/03/2018] [Indexed: 05/16/2023]
Abstract
BACKGROUND Swertia chirayita, has been commonly used under the name "Zang-yin-chen" for the treatment of liver infections, inflammation, abdominal pain, and bacterial infection in traditional Tibetan medicine. However, the bioactive components with anti-inflammatory activities and underlying mechanisms remain poorly evaluated. STUDY DESIGN/METHODS Repeated column chromatography yielded two main xanthones from petroleum ether (PE) and ethyl acetate fractions of whole plants of S. chirayita, and their structures were determined as bellidifolin (1) and swerchirin (2) on the basis of spectroscopic data and literature analysis. The anti-inflammatory activities and mechanisms of anti-inflammation of these two isolated xanthones were determined via enzyme-linked immunosorbent assay (ELISA) and western blot in lipopolysaccharide (LPS)-stimulated RAW 264.7 murine macrophages in vitro. RESULTS Anti-inflammation assay demonstrated that 1 and 2 inhibit the production of the pro-inflammatory cytokines interleukin-6 (IL-6) and TNF-α in LPS-stimulated RAW 264.7 macrophages. Xanthone 1 also potently inhibited the production of prostaglandin E2 (PGE2) by suppressing the protein expression of cyclooxygenase-2 (COX-2) in LPS-stimulated RAW 264.7 macrophages. Western blot showed that the phosphorylation of c-Jun N-terminal kinases (JNK), extracellular signal-regulated kinase (ERK), and p38 MAPKs were remarkably attenuated by 1 in a concentration-dependent manner. Particularly, Compound 1 suppressed the phosphorylation of the inhibitor κB kinase-β (IKK-β), Akt, and p65 subunit of nuclear factor-kappaB (NF-κB). CONCLUSION The potent suppressive effects of 1 from S. chirayita on inflammatory mediators by blocking the expression of COX-2 and phosphorylation of Akt, IKK-β, MAPK and NF-κB, activation in LPS-stimulated macrophages suggest that 1 can be a preventive therapeutic candidate for the management of inflammatory-mediated immune disorders.
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Affiliation(s)
- Tian-Yong Hu
- Shenzhen Key Laboratory of ENT, Institute of ENT & Longgang ENT hospital, Shenzhen 518172, China
| | - Jian-Ming Ju
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, China
| | - Li-Hua Mo
- Shenzhen Key Laboratory of ENT, Institute of ENT & Longgang ENT hospital, Shenzhen 518172, China
| | - Li Ma
- Shenzhen Key Laboratory of ENT, Institute of ENT & Longgang ENT hospital, Shenzhen 518172, China
| | - Wen-Hui Hu
- Shenzhen Key Laboratory of ENT, Institute of ENT & Longgang ENT hospital, Shenzhen 518172, China
| | - Rong-Rong You
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, China
| | - Xue-Qing Chen
- Anhui University of Chinese Medicine, Hefei 230031, China
| | - Yan-Yan Chen
- Shenzhen Key Laboratory of ENT, Institute of ENT & Longgang ENT hospital, Shenzhen 518172, China
| | - Zhi-Qiang Liu
- Shenzhen Key Laboratory of ENT, Institute of ENT & Longgang ENT hospital, Shenzhen 518172, China
| | - Shu-Qi Qiu
- Shenzhen Key Laboratory of ENT, Institute of ENT & Longgang ENT hospital, Shenzhen 518172, China
| | - Jun-Ting Fan
- Department of Pharmaceutical Analysis, School of Pharmacy, Nanjing Medical University, Nanjing 211166, China.
| | - Bao-Hui Cheng
- Shenzhen Key Laboratory of ENT, Institute of ENT & Longgang ENT hospital, Shenzhen 518172, China.
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Rani A, Anand A, Kumar K, Kumar V. Recent developments in biological aspects of chalcones: the odyssey continues. Expert Opin Drug Discov 2019; 14:249-288. [DOI: 10.1080/17460441.2019.1573812] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Anu Rani
- Department of Chemistry, Guru Nanak Dev University, Amritsar, India
| | - Amit Anand
- Department of Chemistry, Khalsa College, Amritsar, India
| | - Kewal Kumar
- Department of Applied Chemistry, Maharaja Ranjit Singh Punjab Technical University, Bathinda, India
| | - Vipan Kumar
- Department of Chemistry, Guru Nanak Dev University, Amritsar, India
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Vargas CG, Miranda HF, Sierralta F, Noriega V, Prieto JC. Pharmacological interaction between NSAIDS with clomipramine and risperidone in mice visceral pain. Drug Dev Res 2019; 80:471-474. [PMID: 30767248 DOI: 10.1002/ddr.21519] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 12/27/2018] [Accepted: 01/14/2019] [Indexed: 12/29/2022]
Abstract
Nonsteroidal anti-inflammatory drugs (NSAIDs) possess as primary action mechanism the inhibition of cyclooxygenases (COX-1, COX-2, and COX-3), thus producing a decreasing prostaglandin synthesis. This study was designed to evaluate whether the antinociception induced by NSAIDs could be modulated by clomipramine or risperidone using a chemical model of inflammatory acute visceral pain, the abdominal acetic acid induced a writhing test in mice. Dose-response curves, intraperitoneal, or intrathecal for the antinociceptive activity displayed by ketoprofen, piroxicam, nimesulide, parecoxib, and paracetamol were analyzed in order to obtain the ED50 of each drug. Pretreatment of mice with either clomipramine or risperidone, increased antinociceptive potency of ketoprofen, piroxicam, nimesulide, parecoxib, and paracetamol, expressed by a decrease in the values of antinociceptive ED50. The results that were obtained are in line with those where the inhibition of COXs provides a justification for most of the pharmacological actions. Nevertheless, several findings suggest other molecular mechanisms, among which may be mentioned, L-selecting shedding; inhibition of i-NOS; inhibition of NF-Kappa B; suppression metaloproteinasas; inhibition of ß2 integrin activation; activation of α2 -adrenoceptor; increase of IL-1ß; upregulation IL-6. In conclusion, the data generated in this study demonstrated that risperidone and clomipramine, separately, increase antinociceptive potency of NSAIDs in a chemical model of inflammatory acute visceral tonic pain.
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Affiliation(s)
| | - Hugo F Miranda
- Department of Neuroscience, Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Fernando Sierralta
- Department of Pharmacology, Faculty of Medicine, Pharmacology Program, ICBM, Universidad de Chile, Santiago, Chile
| | - Viviana Noriega
- Cardiovascular Department, Clinical Hospital, Universidad de Chile, Santiago, Chile
| | - Juan Carlos Prieto
- Department of Pharmacology, Faculty of Medicine, Pharmacology Program, ICBM, Universidad de Chile, Santiago, Chile.,Cardiovascular Department, Clinical Hospital, Universidad de Chile, Santiago, Chile
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49
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Domínguez-Luis MJ, Armas-González E, Herrera-García A, Arce-Franco M, Feria M, Vicente-Manzanares M, Martínez-Ruiz A, Sánchez-Madrid F, Díaz-González F. L-selectin expression is regulated by CXCL8-induced reactive oxygen species produced during human neutrophil rolling. Eur J Immunol 2018; 49:386-397. [PMID: 30443903 DOI: 10.1002/eji.201847710] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Revised: 09/21/2018] [Accepted: 10/29/2018] [Indexed: 12/11/2022]
Abstract
Neutrophils destroy invading microorganisms by phagocytosis by bringing them into contact with bactericidal substances, among which ROS are the most important. However, ROS also function as important physiological regulators of cellular signaling pathways. Here, we addressed the involvement of oxygen derivatives in the regulation of human neutrophil rolling, an essential component of the inflammatory response. Flow experiments using dihydroethidium-preloaded human neutrophils showed that these cells initiate an early production of intracellular ROS during the rolling phase of the adhesion cascade, a phenomenon that required cell rolling, and the interaction of the chemokine receptor CXCR2 with their ligand CXCL8. Flow cytometry experiments demonstrated that L-selectin shedding in neutrophils is triggered by ROS through an autocrine-paracrine mechanism. Preincubation of neutrophils with the NADPH oxidase complex inhibitor diphenyleniodonium chloride significantly increased the number of rolling neutrophils on endothelial cells. Interestingly, the same effect was observed when CXCL8 signaling was interfered using either a blocking monoclonal antibody or an inhibitor of its receptor. These findings indicate that, in response to CXCL8, neutrophils initiate ROS production during the rolling phase of the inflammatory response. This very early ROS production might participate in the modulation of the inflammatory response by inducing L-selectin shedding in neutrophils.
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Affiliation(s)
| | | | - Ada Herrera-García
- Servicio de Reumatología, Hospital Universitario de Canarias, La Laguna, Spain
| | - María Arce-Franco
- Servicio de Reumatología, Hospital Universitario de Canarias, La Laguna, Spain
| | - Manuel Feria
- Departamento de Farmacología, Facultad de Medicina, Universidad de La Laguna, La Laguna, Spain
| | | | - Antonio Martínez-Ruiz
- Servicio de Inmunología, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IP), Madrid, Spain
- Centro de Investigaciones Biomedicas en Red en Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain
| | - Francisco Sánchez-Madrid
- Servicio de Inmunología, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IP), Madrid, Spain
- Centro de Investigaciones Biomedicas en Red en Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain
| | - Federico Díaz-González
- Servicio de Reumatología, Hospital Universitario de Canarias, La Laguna, Spain
- Departamento de Medicina, Facultad de Medicina, Universidad de La Laguna, Tenerife, Spain
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Chen S, Rong Y, Liu M, Cheng S, Liu X, Li X, Yu Y, Yang G, Yang X. Analgesic Effects of Triterpenoid Saponins From Stauntonia chinensis via Selective Increase in Inhibitory Synaptic Response in Mouse Cortical Neurons. Front Pharmacol 2018; 9:1302. [PMID: 30483136 PMCID: PMC6241161 DOI: 10.3389/fphar.2018.01302] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Accepted: 10/24/2018] [Indexed: 12/22/2022] Open
Abstract
Triterpenoid saponins from Stauntonia chinensis (TSS) are potential therapeutic agents because of its analgesic properties. However, the underlying mechanisms of the anti-nociceptive activity of TSS are largely unclear, especially in CNS. The present study confirmed the analgesic effect of TSS using four models of acute pain based on thermal or chemical stimuli. TSS treatment specifically impaired the threshold of thermal- and chemical-stimulated acute pain. Naloxone did not block the anti-nociceptive effects of TSS, which showed no participation of the opioid system. We investigated the electrical signal in cultured cortical neurons to explore whether TSS treatment directly affected synaptic transmission. TSS treatment selectively increased spontaneous inhibitory synaptic release and GABA induced charge transfer in mouse cortical neurons. The effects of TSS were maintained for at least 8 h in cultured neurons and in injected mice. Taken together, our results suggest that the analgesic role of TSS in cortex occurs via a particular increase in the inhibitory synaptic response at resting state, which supports TSS as a potential candidate for inflammatory pain relief.
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Affiliation(s)
- Su Chen
- Key Laboratory of Cognitive Science, Hubei Key Laboratory of Medical Information Analysis and Tumor Diagnosis & Treatment, Laboratory of Membrane Ion Channels and Medicine, College of Biomedical Engineering, South-Central University for Nationalities, Wuhan, China
| | - Yi Rong
- Key Laboratory of Cognitive Science, Hubei Key Laboratory of Medical Information Analysis and Tumor Diagnosis & Treatment, Laboratory of Membrane Ion Channels and Medicine, College of Biomedical Engineering, South-Central University for Nationalities, Wuhan, China
| | - Mengxue Liu
- Key Laboratory of Cognitive Science, Hubei Key Laboratory of Medical Information Analysis and Tumor Diagnosis & Treatment, Laboratory of Membrane Ion Channels and Medicine, College of Biomedical Engineering, South-Central University for Nationalities, Wuhan, China
| | - Song Cheng
- Key Laboratory of Cognitive Science, Hubei Key Laboratory of Medical Information Analysis and Tumor Diagnosis & Treatment, Laboratory of Membrane Ion Channels and Medicine, College of Biomedical Engineering, South-Central University for Nationalities, Wuhan, China
| | - Xiangming Liu
- Gongqing Institute of Science and Technology, Gongqing, China
| | - Xiaohong Li
- Department of Cancer, Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yi Yu
- Key Laboratory of Cognitive Science, Hubei Key Laboratory of Medical Information Analysis and Tumor Diagnosis & Treatment, Laboratory of Membrane Ion Channels and Medicine, College of Biomedical Engineering, South-Central University for Nationalities, Wuhan, China
| | - Guangzhong Yang
- Laboratory for Natural Products Chemistry, School of Pharmaceutical Sciences, South Central University for Nationalities, Wuhan, China
| | - Xiaofei Yang
- Key Laboratory of Cognitive Science, Hubei Key Laboratory of Medical Information Analysis and Tumor Diagnosis & Treatment, Laboratory of Membrane Ion Channels and Medicine, College of Biomedical Engineering, South-Central University for Nationalities, Wuhan, China
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