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Huff HC, Kim JS, Ojha A, Sinha S, Das A. Real time changes in the expression of eicosanoid synthesizing enzymes during inflammation. Prostaglandins Other Lipid Mediat 2024; 174:106839. [PMID: 38679226 DOI: 10.1016/j.prostaglandins.2024.106839] [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: 12/03/2023] [Revised: 04/22/2024] [Accepted: 04/25/2024] [Indexed: 05/01/2024]
Abstract
Immune responses during inflammation involve complex, well-coordinated lipid signaling pathways. Eicosanoids are a class of lipid signaling molecules derived from polyunsaturated fatty acids such as arachidonic acid and constitute a major network that controls inflammation and its subsequent resolution. Arachidonic acid is metabolized by enzymes in three different pathways to form a variety of lipid metabolites that can be either pro- or anti-inflammatory. Therefore, an understanding of the time-dependent gene expression, lipid metabolite profiles and cytokine profiles during the initial inflammatory response is necessary, as it will allow for the design of time-dependent therapeutics. Herein, we investigate the multi-level regulation of this process. After stimulating RAW 264.7 cells, a mouse-derived macrophage cell line commonly used to examine inflammatory responses, we examine the gene expression of 44 relevant lipid metabolizing enzymes from the different eicosanoid synthesizing classes. We also measure the formation of lipid metabolites and production of cytokines at selected time points. Results reveal a dynamic relationship between the time-course of inflammation dependent gene expression of the three eicosanoid synthesizing enzymes.
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Affiliation(s)
- Hannah C Huff
- School of Chemistry and Biochemistry, College of Sciences. Georgia Institute of Technology, IBB, Parker H. Petit Institute for Bioengineering and Biosciences, Atlanta, GA 30332, USA
| | - Justin S Kim
- School of Chemistry and Biochemistry, College of Sciences. Georgia Institute of Technology, IBB, Parker H. Petit Institute for Bioengineering and Biosciences, Atlanta, GA 30332, USA
| | - Abhishek Ojha
- Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Saurabh Sinha
- Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Aditi Das
- School of Chemistry and Biochemistry, College of Sciences. Georgia Institute of Technology, IBB, Parker H. Petit Institute for Bioengineering and Biosciences, Atlanta, GA 30332, USA.
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2
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Prabutzki P, Schiller J, Engel KM. Phospholipid-derived lysophospholipids in (patho)physiology. Atherosclerosis 2024:118569. [PMID: 39227208 DOI: 10.1016/j.atherosclerosis.2024.118569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2024] [Revised: 07/17/2024] [Accepted: 08/21/2024] [Indexed: 09/05/2024]
Abstract
Phospholipids (PL) are major components of cellular membranes and changes in PL metabolism have been associated with the pathogenesis of numerous diseases. Lysophosphatidylcholine (LPC) in particular, is a comparably abundant component of oxidatively damaged tissues. LPC originates from the cleavage of phosphatidylcholine (PC) by phospholipase A2 or the reaction of lipids with reactive oxygen species (ROS) such as HOCl. Another explanation of increased LPC concentration is the decreased re-acylation of LPC into PC. While there are also several other lysophospholipids, LPC is the most abundant lysophospholipid in mammals and will therefore be the focus of this review. LPC is involved in many physiological processes. It induces the migration of lymphocytes, fostering the production of pro-inflammatory compounds by inducing oxidative stress. LPC also "signals" via G protein-coupled and Toll-like receptors and has been implicated in the development of different diseases. However, LPCs are not purely "bad": this is reflected by the fact that the concentration and fatty acyl composition of LPC varies under different conditions, in plasma of healthy and diseased individuals, in tissues and different tumors. Targeting LPC and lipid metabolism and restoring homeostasis might be a potential therapeutic method for inflammation-related diseases.
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Affiliation(s)
- Patricia Prabutzki
- Institute of Medical Physics and Biophysics, Faculty of Medicine, Leipzig University, Härtelstr. 16-18, D 04107 Leipzig, Germany
| | - Jürgen Schiller
- Institute of Medical Physics and Biophysics, Faculty of Medicine, Leipzig University, Härtelstr. 16-18, D 04107 Leipzig, Germany
| | - Kathrin M Engel
- Institute of Medical Physics and Biophysics, Faculty of Medicine, Leipzig University, Härtelstr. 16-18, D 04107 Leipzig, Germany.
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3
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Rudrapal M, Kirboga KK, Abdalla M, Maji S. Explainable artificial intelligence-assisted virtual screening and bioinformatics approaches for effective bioactivity prediction of phenolic cyclooxygenase-2 (COX-2) inhibitors using PubChem molecular fingerprints. Mol Divers 2024; 28:2099-2118. [PMID: 38200203 DOI: 10.1007/s11030-023-10782-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 11/22/2023] [Indexed: 01/12/2024]
Abstract
Cyclooxygenase-2 (COX-2) inhibitors are nonsteroidal anti-inflammatory drugs that treat inflammation, pain and fever. This study determined the interaction mechanisms of COX-2 inhibitors and the molecular properties needed to design new drug candidates. Using machine learning and explainable AI methods, the inhibition activity of 1488 molecules was modelled, and essential properties were identified. These properties included aromatic rings, nitrogen-containing functional groups and aliphatic hydrocarbons. They affected the water solubility, hydrophobicity and binding affinity of COX-2 inhibitors. The binding mode, stability and ADME properties of 16 ligands bound to the Cyclooxygenase active site of COX-2 were investigated by molecular docking, molecular dynamics simulation and MM-GBSA analysis. The results showed that ligand 339,222 was the most stable and effective COX-2 inhibitor. It inhibited prostaglandin synthesis by disrupting the protein conformation of COX-2. It had good ADME properties and high clinical potential. This study demonstrated the potential of machine learning and bioinformatics methods in discovering COX-2 inhibitors.
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Affiliation(s)
- Mithun Rudrapal
- Department of Pharmaceutical Sciences, School of Biotechnology and Pharmaceutical Sciences, Vignan's Foundation for Science, Technology & Research (Deemed to Be University), Guntur, 522213, India.
| | - Kevser Kübra Kirboga
- Informatics Institute, Istanbul Technical University, 34469, Maslak, Istanbul, Turkey.
- Bioengineering Department, BilecikSeyhEdebali University, 11230, Bilecik, Turkey.
| | - Mohnad Abdalla
- Pediatric Research Institute, Children's Hospital Affiliated to Shandong University, Jinan, 250022, Shandong, People's Republic of China
| | - Siddhartha Maji
- Department of Chemistry, Oklahoma State University, Stillwater, OK, USA
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4
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Connor MG, Hamon MA. Advances in regulation of homeostasis through chromatin modifications by airway commensals. Curr Opin Microbiol 2024; 80:102505. [PMID: 38936013 DOI: 10.1016/j.mib.2024.102505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 06/07/2024] [Accepted: 06/07/2024] [Indexed: 06/29/2024]
Abstract
Commensal bacteria are residents of the human airway where they interact with both colonizing pathogens and host respiratory epithelial cells of this mucosal surface. It is here that commensals exert their influence through host signaling cascades, host transcriptional responses and host immunity, all of which are rooted in chromatin remodeling and histone modifications. Recent studies show that airway commensals impact host chromatin, but compared the what is known for gut commensals, the field remains in its infancy. The mechanisms by which airway commensals regulate respiratory health and homeostasis through chromatin modifications is of increasing interest, specifically since their displacement precedes the increased potential for respiratory disease. Herein we will discuss recent advances and intriguing avenues of future work aimed at deciphering how airway commensals protect and influence respiratory health.
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Affiliation(s)
- Michael G Connor
- Institut Pasteur, Université de Paris Cité, Unité Chromatine et Infection, F-75015 Paris, France.
| | - Melanie A Hamon
- Institut Pasteur, Université de Paris Cité, Unité Chromatine et Infection, F-75015 Paris, France.
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5
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Sato T, Okumura M, Ishikawa T, Sakuta K, Takahashi J, Tanabe M, Onda A, Komatsu T, Sakai K, Umehara T, Mitsumura H, Iguchi Y. Relationship between ω3 and ω6 polyunsaturated fatty acids and atrial fibrillation in acute ischemic stroke. Clin Nutr 2024; 43:1643-1651. [PMID: 38772071 DOI: 10.1016/j.clnu.2024.05.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2024] [Revised: 05/05/2024] [Accepted: 05/09/2024] [Indexed: 05/23/2024]
Abstract
BACKGROUND & AIMS Some ω3 polyunsaturated fatty acids (PUFAs) are said to demonstrate a dose-related risk of atrial fibrillation (AF), conversely, some ω6 PUFAs might have AF protective potential. However, few investigated the relation among ischemic strokes. Primarily, we aimed to examine a relation between ω3 and ω6 PUFAs and the presence of AF in ischemic strokes. Further, since, some PUFAs are said to affect the cardiac load, we secondarily aimed to investigate the association between ω3 and ω6 PUFAs and brain natriuretic peptide (BNP) and the occurrence of cerebral large vessel occlusion (LVO) in ischemic strokes with AF. METHODS Consecutive patients with ischemic stroke admitted between 2012 and 2022 were retrospectively screened. Plasma levels of PUFAs, including eicosapentaenoic acid (EPA), docosahexaenoic acid, dihomo-γ-linolenic acid (DGLA) and arachidonic acid (AA), were assayed. Data were analyzed using a Poisson regression analysis with a robust variance estimator and a multiple linear regression analysis. RESULTS We screened 2112 consecutive ischemic strokes, including 1574 (1119 [71%] males, median age 69 years). Lower DGLA (prevalence ratio (PR) 0.885, 95% CI 0.811-0.966, p = 0.006), lower AA (PR 0.797, 95% CI 0.649-0.978, p = 0.030), and higher EPA/AA ratio (PR 1.353, 95% CI 1.036-1.767, p = 0.026) were associated with AF. Checking the linearity between AF and PUFAs, negative linear trends were observed between DGLA quartiles (Q1: PR 1.901, Q2: PR 1.550, Q3: PR 1.423, Q4: 1.000, p < 0.001 for trend) and AA quartiles (Q1: PR 1.499, Q2: PR 1.204, Q3: PR 1.125, Q4: 1.000, p = 0.004 for trend), with positive linear trends between EPA/AA ratio quartiles (Q1: 1.000, Q2: PR 1.555, Q3: PR 1.612, Q4: PR 1.797, p = 0.001 for trend). Among patients with AF, a negative association between AA and BNP (unstandardized coefficient -1.316, 95% CI -2.290∼-0.342, p = 0.008) was observed, and lower AA was associated with LVO (PR 0.707, 95% CI 0.527-0.950, p = 0.021). CONCLUSION Lower DGLA and AA and a higher EPA/AA ratio might be related to the development of AF in ischemic strokes. Further, AA might have a cardio-cerebrovascular protective role in ischemic strokes with AF.
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Affiliation(s)
- Takeo Sato
- Department of Neurology, The Jikei University School of Medicine, Tokyo, Japan.
| | - Motohiro Okumura
- Department of Neurology, The Jikei University School of Medicine, Tokyo, Japan
| | - Takahiro Ishikawa
- Department of Neurology, The Jikei University School of Medicine, Tokyo, Japan
| | - Kenichi Sakuta
- Department of Neurology, The Jikei University School of Medicine, Tokyo, Japan
| | - Junichiro Takahashi
- Department of Neurology, The Jikei University School of Medicine, Tokyo, Japan
| | - Maki Tanabe
- Department of Neurology, The Jikei University School of Medicine, Tokyo, Japan
| | - Asako Onda
- Department of Neurology, The Jikei University School of Medicine, Tokyo, Japan
| | - Teppei Komatsu
- Department of Neurology, The Jikei University School of Medicine, Tokyo, Japan
| | - Kenichiro Sakai
- Department of Neurology, The Jikei University School of Medicine, Tokyo, Japan
| | - Tadashi Umehara
- Department of Neurology, The Jikei University School of Medicine, Tokyo, Japan
| | - Hidetaka Mitsumura
- Department of Neurology, The Jikei University School of Medicine, Tokyo, Japan
| | - Yasuyuki Iguchi
- Department of Neurology, The Jikei University School of Medicine, Tokyo, Japan
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Ma S, Ming Y, Wu J, Cui G. Cellular metabolism regulates the differentiation and function of T-cell subsets. Cell Mol Immunol 2024; 21:419-435. [PMID: 38565887 PMCID: PMC11061161 DOI: 10.1038/s41423-024-01148-8] [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: 12/28/2023] [Accepted: 02/23/2024] [Indexed: 04/04/2024] Open
Abstract
T cells are an important component of adaptive immunity and protect the host from infectious diseases and cancers. However, uncontrolled T cell immunity may cause autoimmune disorders. In both situations, antigen-specific T cells undergo clonal expansion upon the engagement and activation of antigens. Cellular metabolism is reprogrammed to meet the increase in bioenergetic and biosynthetic demands associated with effector T cell expansion. Metabolites not only serve as building blocks or energy sources to fuel cell growth and expansion but also regulate a broad spectrum of cellular signals that instruct the differentiation of multiple T cell subsets. The realm of immunometabolism research is undergoing swift advancements. Encapsulating all the recent progress within this concise review in not possible. Instead, our objective is to provide a succinct introduction to this swiftly progressing research, concentrating on the metabolic intricacies of three pivotal nutrient classes-lipids, glucose, and amino acids-in T cells. We shed light on recent investigations elucidating the roles of these three groups of metabolites in mediating the metabolic and immune functions of T cells. Moreover, we delve into the prospect of "editing" metabolic pathways within T cells using pharmacological or genetic approaches, with the aim of synergizing this approach with existing immunotherapies and enhancing the efficacy of antitumor and antiinfection immune responses.
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Affiliation(s)
- Sicong Ma
- Key Laboratory of Immune Response and Immunotherapy, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230601, China
| | - Yanan Ming
- Key Laboratory of Immune Response and Immunotherapy, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230601, China
| | - Jingxia Wu
- Key Laboratory of Immune Response and Immunotherapy, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230601, China.
| | - Guoliang Cui
- Key Laboratory of Immune Response and Immunotherapy, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230601, China.
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7
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Li XH, Huang P, Cheng HP, Zhou Y, Feng DD, Yue SJ, Han Y, Luo ZQ. NMDAR activation attenuates the protective effect of BM-MSCs on bleomycin-induced ALI via the COX-2/PGE 2 pathway. Heliyon 2024; 10:e23723. [PMID: 38205313 PMCID: PMC10776937 DOI: 10.1016/j.heliyon.2023.e23723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 12/10/2023] [Accepted: 12/12/2023] [Indexed: 01/12/2024] Open
Abstract
N-methyl-d-aspartate (NMDA) receptor (NMDAR) activation mediates glutamate (Glu) toxicity and involves bleomycin (BLM)-induced acute lung injury (ALI). We have reported that bone marrow-derived mesenchymal stem cells (BM-MSCs) are NMDAR-regulated target cells, and NMDAR activation inhibits the protective effect of BM-MSCs on BLM-induced pulmonary fibrosis, but its effect on ALI remains unknown. Here, we found that Glu release was significantly elevated in plasma of mice at d 7 after intratracheally injected with BLM. BM-MSCs were pretreated with NMDA (the selective agonist of NMDAR) and transplanted into the recipient mice after the BLM challenge. BM-MSCs administration significantly alleviated the pathological changes, inflammatory response, myeloperoxidase activity, and malondialdehyde content in the damaged lungs, but NMDA-pretreated BM-MSCs did not ameliorate BLM-induced lung injury in vivo. Moreover, NMDA down-regulated prostaglandin E2 (PGE2) secretion and cyclooxygenase (COX)-2 expression instead of COX-1 expression in BM-MSCs in vitro. We also found that NMDAR1 expression was increased and COX-2 expression was decreased, but COX-1 expression was not changed in primary BM-MSCs of BLM-induced ALI mice. Further, the cultured supernatants of lipopolysaccharide (LPS)-pretreated RAW264.7 macrophages were collected to detect inflammatory factors after co-culture with NMDA-pretreated BM-MSCs. The co-culture experiments showed that NMDA precondition inhibited the anti-inflammatory effect of BM-MSCs on LPS-induced macrophage inflammation, and PGE2 could partially alleviate this inhibition. Our findings suggest that NMDAR activation attenuated the protective effect of BM-MSCs on BLM-induced ALI in vivo. NMDAR activation inhibited COX-2 expression and PGE2 secretion in BM-MSCs and weakened the anti-inflammatory effect of BM-MSCs on LPS-induced macrophage inflammation in vitro. In conclusion, NMDAR activation attenuates the protective effect of BM-MSCs on BLM-induced ALI via the COX-2/PGE2 pathway. Keywords: Acute Lung Injury, BM-MSCs, NMDA receptor, COX-1/2, PGE2.
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Affiliation(s)
- Xiao-Hong Li
- Department of Pathology, The Second Xiangya Hospital, Central South University, Changsha, 410011, China
- Department of Physiology, Xiangya School of Medicine, Central South University, Changsha, 410078, China
| | - Pu Huang
- Department of Physiology, Xiangya School of Medicine, Central South University, Changsha, 410078, China
- Health Management Center, Changsha Central Hospital Affiliated to Nanhua University, Changsha, 410018, China
| | - Hai-Peng Cheng
- Department of Pathology, The Second Xiangya Hospital, Central South University, Changsha, 410011, China
- Department of Physiology, Xiangya School of Medicine, Central South University, Changsha, 410078, China
| | - Yan Zhou
- Department of Physiology, Xiangya School of Medicine, Central South University, Changsha, 410078, China
| | - Dan-Dan Feng
- Department of Physiology, Xiangya School of Medicine, Central South University, Changsha, 410078, China
| | - Shao-Jie Yue
- Department of Pediatrics, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Yang Han
- Department of Physiology, Xiangya School of Medicine, Central South University, Changsha, 410078, China
| | - Zi-Qiang Luo
- Department of Physiology, Xiangya School of Medicine, Central South University, Changsha, 410078, China
- Hunan Key Laboratory of Organ Fibrosis, Central South University, Changsha, 410078, China
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van Dorst DCH, Mirabito Colafella KM, van Veghel R, Garrelds IM, de Vries R, Mathijssen RHJ, Danser AHJ, Versmissen J. Cyclooxygenase-2 inhibition prevents renal toxicity but not hypertension during sunitinib treatment. Eur J Pharmacol 2024; 962:176199. [PMID: 38029870 DOI: 10.1016/j.ejphar.2023.176199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 11/09/2023] [Accepted: 11/09/2023] [Indexed: 12/01/2023]
Abstract
BACKGROUND Anticancer angiogenesis inhibitors cause hypertension and renal injury. Previously we observed in rats that high-dose aspirin (capable of blocking cyclooxygenase (COX)-1 and-2) was superior to low-dose aspirin (blocking COX-1 only) to prevent these side-effects during treatment with the angiogenesis inhibitor sunitinib, suggesting a role for COX-2. High-dose aspirin additionally prevented the rise in COX-derived prostacyclin (PGI2). Therefore, we studied the preventive effects of selective COX-2 inhibition and the hypothesized contributing role of PGI2 during angiogenesis inhibition. METHODS Male WKY rats received vehicle, sunitinib ((SU), 14 mg/kg/day) alone or combined with COX-2 inhibition (celecoxib, 10 mg/kg/day) or a PGI2 analogue (iloprost, 100 μg/kg/day) for 8 days (n = 8-9 per group). Mean arterial pressure (MAP) was measured via radiotelemetry, biochemical measurements were performed via ELISA and vascular function was assessed via wire myography. RESULTS SU increased MAP (17±1mmHg versus 3±1mmHg after vehicle on day 4, P < 0.002), which could not be significantly blunted by celecoxib (+12±3mmHg on day 4, P = 0.247), but was temporarily attenuated by iloprost (treatment days 1 + 2 only). Urinary PGI2 (996 ± 112 versus 51 ± 11ng/24h after vehicle, P < 0.001), but not circulating PGI2 increased during SU, which remained unaffected by celecoxib and iloprost. Celecoxib reduced sunitinib-induced albuminuria (0.36 ± 0.05 versus 0.58 ± 0.05mg/24h after SU, P = 0.005). Wire myography demonstrated increased vasoconstriction to endothelin-1 after SU (Emax P = 0.005 versus vehicle), which remained unaffected by celecoxib or iloprost. CONCLUSION Selective COX-2 inhibition ameliorates albuminuria during angiogenesis inhibition with sunitinib, which most likely acts independently of PGI2. To combat angiogenesis inhibitor-induced hypertension, dual rather than selective COX-1/2 blockade seems preferential.
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Affiliation(s)
- Daan C H van Dorst
- Division of Vascular Medicine and Pharmacology, Department of Internal Medicine, Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Medical Oncology, Erasmus MC Cancer Institute, Rotterdam, the Netherlands.
| | - Katrina M Mirabito Colafella
- Cardiovascular Disease Program, Biomedicine Discovery Institute and Department of Physiology, Monash University, Melbourne, Australia
| | - Richard van Veghel
- Division of Vascular Medicine and Pharmacology, Department of Internal Medicine, Erasmus MC University Medical Center, Rotterdam, the Netherlands
| | - Ingrid M Garrelds
- Division of Vascular Medicine and Pharmacology, Department of Internal Medicine, Erasmus MC University Medical Center, Rotterdam, the Netherlands
| | - René de Vries
- Division of Vascular Medicine and Pharmacology, Department of Internal Medicine, Erasmus MC University Medical Center, Rotterdam, the Netherlands
| | - Ron H J Mathijssen
- Department of Medical Oncology, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
| | - A H Jan Danser
- Division of Vascular Medicine and Pharmacology, Department of Internal Medicine, Erasmus MC University Medical Center, Rotterdam, the Netherlands
| | - Jorie Versmissen
- Division of Vascular Medicine and Pharmacology, Department of Internal Medicine, Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Hospital Pharmacy, Erasmus MC University Medical Center, Rotterdam, the Netherlands
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9
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Mahmoud ME, Farooq M, Isham IM, Ali A, Hassan MSH, Herath-Mudiyanselage H, Ranaweera HA, Najimudeen SM, Abdul-Careem MF. Cyclooxygenase-2/prostaglandin E2 pathway regulates infectious bronchitis virus replication in avian macrophages. J Gen Virol 2024; 105. [PMID: 38189432 DOI: 10.1099/jgv.0.001949] [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] [Indexed: 01/09/2024] Open
Abstract
Infectious bronchitis virus (IBV) is a significant respiratory pathogen that affects chickens worldwide. As an avian coronavirus, IBV leads to productive infection in chicken macrophages. However, the effects of IBV infection in macrophages on cyclooxygenase-2 (COX-2) expression are still to be elucidated. Therefore, we investigated the role of IBV infection on the production of COX-2, an enzyme involved in the synthesis of prostaglandin E2 (PGE2) in chicken macrophages. The chicken macrophage cells were infected with two IBV strains, and the cells and culture supernatants were harvested at predetermined time points to measure intracellular and extracellular IBV infection. IBV infection was quantified as has been the COX-2 and PGE2 productions. We found that IBV infection enhances COX-2 production at both mRNA and protein levels in chicken macrophages. When a selective COX-2 antagonist was used to reduce the COX-2 expression in macrophages, we observed that IBV replication decreased. When IBV-infected macrophages were treated with PGE2 receptor (EP2 and EP4) inhibitors, IBV replication was reduced. Upon utilizing a selective COX-2 antagonist to diminish PGE2 expression in macrophages, a discernible decrease in IBV replication was observed. Treatment of IBV-infected macrophages with a PGE2 receptor (EP2) inhibitor resulted in a reduction in IBV replication, whereas the introduction of exogenous PGE2 heightened viral replication. Additionally, pretreatment with a Janus-kinase two antagonist attenuated the inhibitory effect of recombinant chicken interferon (IFN)-γ on viral replication. The evaluation of immune mediators, such as inducible nitric oxide (NO) synthase (iNOS), NO, and interleukin (IL)-6, revealed enhanced expression following IBV infection of macrophages. In response to the inhibition of COX-2 and PGE2 receptors, we observed a reduction in the expressions of iNOS and IL-6 in macrophages, correlating with reduced IBV infection. Overall, IBV infection increased COX-2 and PGE2 production in addition to iNOS, NO, and IL-6 expression in chicken macrophages in a time-dependent manner. Inhibition of the COX-2/PGE2 pathway may lead to increased macrophage defence mechanisms against IBV infection, resulting in a reduction in viral replication and iNOS and IL-6 expressions. Understanding the molecular mechanisms underlying these processes may shed light on potential antiviral targets for controlling IBV infection.
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Affiliation(s)
- Motamed Elsayed Mahmoud
- Faculty of Veterinary Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, AB, T2N 4N1, Canada
- Department of Animal Husbandry, Faculty of Veterinary Medicine, Sohag University, Sohag 84524, Egypt
| | - Muhammad Farooq
- Faculty of Veterinary Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, AB, T2N 4N1, Canada
| | - Ishara M Isham
- Faculty of Veterinary Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, AB, T2N 4N1, Canada
| | - Ahmed Ali
- Faculty of Veterinary Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, AB, T2N 4N1, Canada
- Department of Pathology, Faculty of Veterinary Medicine, Beni-Suef University, Beni Suef, 62521, Egypt
| | - Mohamed S H Hassan
- Faculty of Veterinary Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, AB, T2N 4N1, Canada
- Department of Avian and Rabbit Medicine, Faculty of Veterinary Medicine, Assiut University, Assiut 71515, Egypt
| | | | - Hiruni A Ranaweera
- Faculty of Veterinary Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, AB, T2N 4N1, Canada
| | - Shahnas M Najimudeen
- Faculty of Veterinary Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, AB, T2N 4N1, Canada
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10
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Kanda Y, Mukaiyama M, Yamasaki Y, Usui T, Nagumo Y. Capsaicin indirectly regulates TRPA1 via the arachidonic acid cascade, resulting in TJ opening. Biosci Biotechnol Biochem 2023; 88:44-52. [PMID: 37838472 DOI: 10.1093/bbb/zbad145] [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: 08/04/2023] [Accepted: 10/08/2023] [Indexed: 10/16/2023]
Abstract
Capsaicin induces the reversible opening of tight junctions (TJs) and enhances the delivery of hydrophilic macromolecules through a paracellular route. We previously revealed that TRPA1 is involved in the capsaicin-induced Ca2+ influx and TJ permeability increase, although there are no reports that capsaicin directly activates TRPA1. In this study, we investigated the upstream factors of TRPA1 using RNA-seq analysis, and found that the cyclooxygenase 2 (COX2) gene was upregulated by capsaicin. Cyclooxygenase 2 converts arachidonic acid (AA), a metabolite by phospholipase A2 (PLA2), to prostaglandins. Prostaglandin E2 (PGE2) production was stimulated by capsaicin, and capsaicin-induced Ca2+ influx was effectively inhibited by PLA2 and COX2 inhibitors. The AA-induced TJ permeability increase was inhibited by a TRPA1 antagonist, but the capsaicin- and AA-induced TJ permeability increases were hardly inhibited by a COX2 inhibitor. These results suggest that capsaicin-induced PLA2 activation and AA production are the important steps for the TJ permeability increase.
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Affiliation(s)
- Yusuke Kanda
- Graduate School of Science and Technology, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Minagi Mukaiyama
- Graduate School of Science and Technology, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Yohei Yamasaki
- Graduate School of Science and Technology, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Takeo Usui
- Institute of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan
- Microbiology Research Center for Sustainability (MiCS), University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Yoko Nagumo
- Institute of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan
- Alliance for Research on the Mediterranean and North Africa (ARENA), University of Tsukuba, Tsukuba, Ibaraki, Japan
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11
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Zhou X, Wang Z, Yuan K. The effect of diet and nutrition on T cell function in cancer. Int J Cancer 2023; 153:1954-1966. [PMID: 37504380 DOI: 10.1002/ijc.34668] [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: 04/27/2023] [Revised: 07/03/2023] [Accepted: 07/12/2023] [Indexed: 07/29/2023]
Abstract
Cancer can be considered one of the most threatening diseases to human health, and immunotherapy, especially T-cell immunotherapy, is the most promising treatment for cancers. Diet therapy is widely concerned in cancer because of its safety and fewer side effects. Many studies have shown that both the function of T cells and the progression of cancer can be affected by nutrients in the diet. In fact, it is challenging for T cells to infiltrate and eliminate cancer cells in tumor microenvironment, because of the harsh metabolic condition. The intake of different nutrients has a great influence on the proliferation, activation, differentiation and exhaustion of T cells. In this review, we summarize the effects of typical amino acids, lipids, carbohydrates and other nutritional factors on T cell functions and provide future perspectives for dietary treatment of cancer based on modifications of T cell functions.
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Affiliation(s)
- Xinyi Zhou
- Department of Liver Surgery, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, China
- Laboratory of Liver Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Zhen Wang
- Department of Liver Surgery, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, China
- Laboratory of Liver Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Kefei Yuan
- Department of Liver Surgery, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, China
- Laboratory of Liver Surgery, West China Hospital, Sichuan University, Chengdu, China
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12
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Ni H, Guo Z, Wu Y, Wang J, Yang Y, Zhu Z, Wang D. The crucial role that hippocampus Cyclooxygenase-2 plays in memory. Eur J Neurosci 2023; 58:4123-4136. [PMID: 37867375 DOI: 10.1111/ejn.16165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 09/19/2023] [Accepted: 09/26/2023] [Indexed: 10/24/2023]
Abstract
It is generally accepted that Cyclooxygenase-2 (COX-2) is activated to cause inflammation. However, COX-2 is also constitutively expressed at the postsynaptic dendrites and excitatory terminals of the cortical and spinal cord neurons. Although some evidence suggests that COX-2 release during neuronal signalling may be pivotal for regulating the function of memory, the significance of constitutively expressed COX-2 in neuron is still unclear. This research aims to discover the role of COX-2 in memory beyond neuroinflammation and to determine whether the inhibition of COX-2 can cause cognitive dysfunction by influencing dendritic plasticity and its underlying mechanism. We found COX-2 gene knockout (KO) could significantly impact the learning and memory ability, cause neuronal structure disorder and influence gamma oscillations. These might be mediated by the inhibition of prostaglandin (PG) E2/cAMP pathway and phosphorylated protein kinase A (p-PKA)-phosphorylated cAMP response element binding protein (p-CREB)-brain derived neurotrophic factor (BDNF) axis. It suggested COX-2 might play a critical role in learning, regulating neuronal structure and gamma oscillations in the hippocampus CA1 by regulating COX-2/BDNF signalling pathway.
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Affiliation(s)
- Hong Ni
- Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Department of Gastroenterology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, China
| | - Zhongzhao Guo
- Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yue Wu
- Department of Gastroenterology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, China
| | - Jie Wang
- Department of Peripheral Vascular Surgery, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yang Yang
- Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Zilu Zhu
- School of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Deheng Wang
- School of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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13
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Beccacece L, Abondio P, Bini C, Pelotti S, Luiselli D. The Link between Prostanoids and Cardiovascular Diseases. Int J Mol Sci 2023; 24:ijms24044193. [PMID: 36835616 PMCID: PMC9962914 DOI: 10.3390/ijms24044193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 02/17/2023] [Accepted: 02/18/2023] [Indexed: 02/22/2023] Open
Abstract
Cardiovascular diseases are the leading cause of global deaths, and many risk factors contribute to their pathogenesis. In this context, prostanoids, which derive from arachidonic acid, have attracted attention for their involvement in cardiovascular homeostasis and inflammatory processes. Prostanoids are the target of several drugs, but it has been shown that some of them increase the risk of thrombosis. Overall, many studies have shown that prostanoids are tightly associated with cardiovascular diseases and that several polymorphisms in genes involved in their synthesis and function increase the risk of developing these pathologies. In this review, we focus on molecular mechanisms linking prostanoids to cardiovascular diseases and we provide an overview of genetic polymorphisms that increase the risk for cardiovascular disease.
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Affiliation(s)
- Livia Beccacece
- Computational Genomics Lab, Department of Pharmacy and Biotechnology, University of Bologna, 40126 Bologna, Italy
- Correspondence: (L.B.); (P.A.)
| | - Paolo Abondio
- aDNA Lab, Department of Cultural Heritage, University of Bologna, Ravenna Campus, 48121 Ravenna, Italy
- Correspondence: (L.B.); (P.A.)
| | - Carla Bini
- Unit of Legal Medicine, Department of Medical and Surgical Sciences, University of Bologna, 40126 Bologna, Italy
| | - Susi Pelotti
- Unit of Legal Medicine, Department of Medical and Surgical Sciences, University of Bologna, 40126 Bologna, Italy
| | - Donata Luiselli
- aDNA Lab, Department of Cultural Heritage, University of Bologna, Ravenna Campus, 48121 Ravenna, Italy
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14
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Sasaki K, Komamura S, Matsuda K. Extracellular stimulation of lung fibroblasts with arachidonic acid increases interleukin 11 expression through p38 and ERK signaling. Biol Chem 2023; 404:59-69. [PMID: 36268909 DOI: 10.1515/hsz-2022-0218] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 10/10/2022] [Indexed: 11/15/2022]
Abstract
Interleukin-11 (IL-11) is a pleiotropic cytokine that regulates proliferation and motility of cancer cells. Fibroblasts reside in the cancer microenvironment and are the primary source of IL-11. Activated fibroblasts, including cancer-associated fibroblasts that produce IL-11, contribute to the development and progression of cancer, and induce fibrosis associated with cancer. Changes in fatty acid composition or its metabolites, and an increase in free fatty acids have been observed in cancer. The effect of deregulated fatty acids on the development and progression of cancer is not fully understood yet. In the present study, we investigated the effects of fatty acids on mRNA expression and secretion of IL-11 in lung fibroblasts. Among the eight fatty acids added exogenously, arachidonic acid (AA) increased mRNA expression and secretion of IL-11 in lung fibroblasts in a dose-dependent manner. AA-induced upregulation of IL-11 was dependent on the activation of the p38 or ERK MAPK signaling pathways. Furthermore, prostaglandin E2, associated with elevated cyclooxygenase-2 expression, participated in the upregulation of IL-11 via its specific receptor in an autocrine/paracrine manner. These results suggest that AA may mediate IL-11 upregulation in lung fibroblasts in the cancer microenvironment, accompanied by unbalanced fatty acid composition.
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Affiliation(s)
- Kanako Sasaki
- Department of Health and Medical Sciences, Graduate School of Medicine, Shinshu University, 3-1-1 Asahi, Matsumoto 390-8621, Nagano, Japan
| | - Shotaro Komamura
- Department of Health and Medical Sciences, Graduate School of Medicine, Shinshu University, 3-1-1 Asahi, Matsumoto 390-8621, Nagano, Japan
| | - Kazuyuki Matsuda
- Department of Health and Medical Sciences, Graduate School of Medicine, Shinshu University, 3-1-1 Asahi, Matsumoto 390-8621, Nagano, Japan
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15
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Hara T, Kumagai R, Tanaka T, Nakano T, Fujie T, Fujiwara Y, Yamamoto C, Kaji T. Lead suppresses perlecan expression via EGFR-ERK1/2-COX-2-PGI 2 pathway in cultured bovine vascular endothelial cells. J Toxicol Sci 2023; 48:655-663. [PMID: 38044127 DOI: 10.2131/jts.48.655] [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] [Indexed: 12/05/2023]
Abstract
Vascular endothelial cell growth is essential for the repair of intimal injury. Perlecan, a large heparan sulfate proteoglycan, intensifies fibroblast growth factor-2 (FGF-2) signaling as a co-receptor for FGF-2 and its receptor, and promotes the proliferation of vascular endothelial cells. Previously, we reported that 2 µM of lead, a toxic heavy metal, downregulated perlecan core protein expression and then suppressed the growth of vascular endothelial cells. However, since the mechanisms involved in the repression of perlecan by lead remains unclear, we analyzed its detailed signaling pathway using cultured bovine aortic endothelial cells. Our findings indicate that 2 µM of lead inhibited protein tyrosine phosphatase (PTP) activity and induced cyclooxygenase-2 (COX-2) via phosphorylation of the epidermal growth factor receptor (EGFR) and its downstream extracellular signal-regulated kinases (ERK1/2). In addition, among the prostanoids regulated by COX-2, prostaglandin I2 (PGI2) specifically contributes to the downregulation of perlecan expression by lead. This study revealed an intracellular pathway-the EGFR-ERK1/2-COX-2-PGI2 pathway activated by inhibition of PTP by lead-as a pathway that downregulates endothelial perlecan synthesis. The pathway is suggested to serve as a mechanism for the repression of perlecan expression, which leads to a delay in cell proliferation by lead.
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Affiliation(s)
- Takato Hara
- Faculty of Pharmaceutical Sciences, Toho University
| | - Reina Kumagai
- Faculty of Pharmaceutical Sciences, Tokyo University of Science
| | - Tohru Tanaka
- Faculty of Pharmaceutical Sciences, Toho University
| | | | - Tomoya Fujie
- Faculty of Pharmaceutical Sciences, Tokyo University of Science
| | | | | | - Toshiyuki Kaji
- Faculty of Pharmaceutical Sciences, Tokyo University of Science
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16
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Buchheit KM, Sohail A, Hacker J, Maurer R, Gakpo D, Bensko JC, Taliaferro F, Ordovas-Montanes J, Laidlaw TM. Rapid and sustained effect of dupilumab on clinical and mechanistic outcomes in aspirin-exacerbated respiratory disease. J Allergy Clin Immunol 2022; 150:415-424. [PMID: 35460728 PMCID: PMC9378638 DOI: 10.1016/j.jaci.2022.04.007] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 03/18/2022] [Accepted: 04/07/2022] [Indexed: 10/18/2022]
Abstract
BACKGROUND Dupilumab, a mAb targeting IL-4Rα, improves upper and lower airway symptoms in patients with aspirin-exacerbated respiratory disease (AERD), but the mechanisms leading to clinical improvement are not fully elucidated. OBJECTIVE Our aim was to identify the mechanistic basis of clinical improvement in patients with AERD treated with dupilumab. METHODS A total of 22 patients with AERD were treated with dupilumab for 3 months for severe asthma and/or chronic rhinosinusitis with nasal polyps. Clinical outcomes were assessed at baseline and at 1 and 3 months after initiation of dupilumab. Nasal fluid, urine, blood, and inferior turbinate scrapings were collected at the 3 time points for determination of mediator levels, cellular assays, and RNA sequencing. RESULTS Participants had rapid improvement in clinical measures, including sense of smell, sinonasal symptoms, and lung function after 1 month of treatment with dupilumab; the improvements were sustained after 3 months of dupilumab. Baseline severity of smell loss was correlated with lower nasal prostaglandin E2 levels. Dupilumab increased nasal prostaglandin E2 level and decreased levels of nasal albumin, nasal and urinary leukotriene E4, and serum and nasal IgE. Transcripts related to epithelial dysfunction and leukocyte activation and migration were downregulated in inferior turbinate tissue after treatment with dupilumab. There were no dupilumab-induced changes in nasal eosinophilia. CONCLUSION Inhibition of IL-4Rα in AERD led to rapid improvement in respiratory symptoms and smell, with a concomitant improvement in epithelial barrier function, a decrease in inflammatory eicosanoid levels, and an increase in the anti-inflammatory eicosanoid prostaglandin E2 level. The therapeutic effects of dupilumab are likely due to decreased IL-4Rα signaling on respiratory tissue granulocytes, epithelial cells, and B cells.
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Affiliation(s)
- Kathleen M Buchheit
- Department of Medicine, Harvard Medical School, Boston, Mass; Division of Allergy and Clinical Immunology, Brigham and Women's Hospital, Boston, Mass
| | - Aaqib Sohail
- Department of Medicine, Harvard Medical School, Boston, Mass; Division of Allergy and Clinical Immunology, Brigham and Women's Hospital, Boston, Mass
| | - Jonathan Hacker
- Division of Allergy and Clinical Immunology, Brigham and Women's Hospital, Boston, Mass
| | - Rie Maurer
- Center for Clinical Investigation, Brigham and Women's Hospital, Boston, Mass
| | - Deborah Gakpo
- Division of Allergy and Clinical Immunology, Brigham and Women's Hospital, Boston, Mass
| | - Jillian C Bensko
- Division of Allergy and Clinical Immunology, Brigham and Women's Hospital, Boston, Mass
| | - Faith Taliaferro
- Division of Gastroenterology, Hepatology, and Nutrition, Boston Children's Hospital, Boston, Mass; Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge, Mass; Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology, and Harvard, Cambridge, Mass
| | - Jose Ordovas-Montanes
- Division of Gastroenterology, Hepatology, and Nutrition, Boston Children's Hospital, Boston, Mass; Program in Immunology, Harvard Medical School, Boston, Mass; Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge, Mass; Harvard Stem Cell Institute, Cambridge, Mass; Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology, and Harvard, Cambridge, Mass
| | - Tanya M Laidlaw
- Department of Medicine, Harvard Medical School, Boston, Mass; Division of Allergy and Clinical Immunology, Brigham and Women's Hospital, Boston, Mass.
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17
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Comparative assessment of organic and inorganic tea leaf extract feeding on anxiety behaviour status of colchicine-induced rat model of Alzheimer's disease. Inflammopharmacology 2022; 30:609-620. [PMID: 35260974 DOI: 10.1007/s10787-022-00943-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 02/09/2022] [Indexed: 11/05/2022]
Abstract
Tea (Camellia sinensis), having anti-inflammatory, antioxidant, and free radical scavenging properties, may be beneficial to prevent the symptoms of neurodegenerative disorders like Alzheimer's disease (AD). In this present study, field experiments using the productive tea clone (TV25) with four nutrient management treatments were conducted during 2015 to 2017 in the research farm of Agricultural and Food Engineering Department, Indian Institute of Technology Kharagpur. The four nutrient management treatments were no application of fertilizer (control), organic fertilizer (OF), inorganic fertilizer (IF), and integration of OF and IF (IF + OF). The contents of different catechins of tea leaves grown under these treatments were measured using High Performance Liquid Chromatography. Tea leaf samples of these treatments were fed to the intracerebroventricular (ICV) colchicine administered rats. The animal study was double-blinded and randomized. Assessment of anxiety status was done for the rat model in an elevated open field with a novel object in two intervals (14-day and 21-day study). Anxiolytic behaviour with the lower corticosterone (CORT) level (82 ng/ml) was observed in ICV colchicine administered rat models of AD. After feeding of organically and inorganically grown tea extract (10, 20, and 30 mg/kg) for 14 days and 21 days, it was found that the anxiolytic behaviour decreased with the increased concentration of serum CORT. However, organic tea showed greater increase in CORT level (216.1 ng/ml) as compared to inorganic tea (214 ng/ml). Thus, this study showed organic tea may act as a favourable agent or adjuvant in the improvement of the anxiolytic behaviour in rat model of AD.
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18
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Gracioso Martins AM, Biehl A, Sze D, Freytes DO. Bioreactors for Vocal Fold Tissue Engineering. TISSUE ENGINEERING. PART B, REVIEWS 2022; 28:182-205. [PMID: 33446061 PMCID: PMC8892964 DOI: 10.1089/ten.teb.2020.0285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
It is estimated that almost one-third of the United States population will be affected by a vocal fold (VF) disorder during their lifespan. Promising therapies to treat VF injury and scarring are mostly centered on VF tissue engineering strategies such as the injection of engineered biomaterials and cell therapy. VF tissue engineering, however, is a challenging field as the biomechanical properties, structure, and composition of the VF tissue change upon exposure to mechanical stimulation. As a result, the development of long-term VF treatment strategies relies on the characterization of engineered tissues under a controlled mechanical environment. In this review, we highlight the importance of bioreactors as a powerful tool for VF tissue engineering with a focus on the current state of the art of bioreactors designed to mimic phonation in vitro. We discuss the influence of the phonatory environment on the development, function, injury, and healing of the VF tissue and its importance for the development of efficient therapeutic strategies. A concise and comprehensive overview of bioreactor designs, principles, operating parameters, and scalability are presented. An in-depth analysis of VF bioreactor data to date reveals that mechanical stimulation significantly influences cell viability and the expression of proinflammatory and profibrotic genes in vitro. Although the precision and accuracy of bioreactors contribute to generating reliable results, diverse gene expression profiles across the literature suggest that future efforts should focus on the standardization of bioreactor parameters to enable direct comparisons between studies. Impact statement We present a comprehensive review of bioreactors for vocal fold (VF) tissue engineering with a focus on the influence of the phonatory environment on the development, function, injury, and healing of the VFs and the importance of mimicking phonation on engineered VF tissues in vitro. Furthermore, we put forward a strong argument for the continued development of bioreactors in this area with an emphasis on the standardization of bioreactor designs, principles, operating parameters, and oscillatory regimes to enable comparisons between studies.
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Affiliation(s)
- Ana M Gracioso Martins
- Joint Department of Biomedical Engineering, College of Engineering, North Carolina State University/University of North Carolina-Chapel Hill, Raleigh, North Carolina, USA.,Comparative Medicine Institute, North Carolina State University, Raleigh, North Carolina, USA
| | - Andreea Biehl
- Joint Department of Biomedical Engineering, College of Engineering, North Carolina State University/University of North Carolina-Chapel Hill, Raleigh, North Carolina, USA.,Comparative Medicine Institute, North Carolina State University, Raleigh, North Carolina, USA
| | - Daphne Sze
- Joint Department of Biomedical Engineering, College of Engineering, North Carolina State University/University of North Carolina-Chapel Hill, Raleigh, North Carolina, USA.,Comparative Medicine Institute, North Carolina State University, Raleigh, North Carolina, USA
| | - Donald O Freytes
- Joint Department of Biomedical Engineering, College of Engineering, North Carolina State University/University of North Carolina-Chapel Hill, Raleigh, North Carolina, USA.,Comparative Medicine Institute, North Carolina State University, Raleigh, North Carolina, USA
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19
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He Z, Wang DW. The roles of eicosanoids in myocardial diseases. ADVANCES IN PHARMACOLOGY 2022; 97:167-200. [DOI: 10.1016/bs.apha.2022.11.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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20
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Emerson DM, Chen SCL, Torres-McGehee TM, Pfeifer CE, Emerson CC, Davis JM. An acute naproxen dose does not affect core temperature or Interleukin-6 during cycling in a hot environment. SPORTS MEDICINE AND HEALTH SCIENCE 2021; 3:243-251. [PMID: 35783372 PMCID: PMC9219352 DOI: 10.1016/j.smhs.2021.08.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 08/09/2021] [Accepted: 08/23/2021] [Indexed: 11/16/2022] Open
Abstract
Non-steroidal anti-inflammatory drugs' anti-pyretic and anti-inflammatory effects has led some individuals to theorize these medications may blunt core body temperature (Tc) increases during exercise. We utilized a double-blind, randomized, and counterbalanced cross-over design to examine the effects of a 24-h naproxen dose (3-220 mg naproxen pills) and placebo (0 mg naproxen) on Tc and plasma interleukin-6 (IL-6) concentrations during cycling in a hot or ambient environment. Participants (n = 11; 6 male, 5 female; age = 27.8 ± 6.5 years, weight = 79.1 ± 17.9 kg, height = 177 ± 9.5 cm) completed 4 conditions: 1) placebo and ambient (Control); 2) placebo and heat (Heat); 3) naproxen and ambient (Npx); and 4) naproxen and heat (NpxHeat). Dependent measures were taken before, during, and immediately after 90 min of cycling and then 3 h after cycling. Overall, Tc significantly increased pre- (37.1 ± 0.4 °C) to post-cycling (38.2 ± 0.3 °C, F 1.7,67.3 = 150.5, p < 0.001) and decreased during rest (37.0 ± 0.3 °C, F 2.0,81.5 = 201.6, p < 0.001). Rate of change or maximum Tc were not significantly different between conditions. IL-6 increased pre- (0.54 ± 0.06 pg/ml) to post-exercise (2.46 ± 0.28 pg/ml, p < 0.001) and remained significantly higher than pre-at 3 h post- (1.17 ± 0.14 pg/ml, 95% CI = -1.01 to -0.23, p = 0.001). No significant IL-6 differences occurred between conditions. A 24-h, over-the-counter naproxen dose did not significantly affect Tc or IL-6 among males and females cycling in hot or ambient environments.
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Affiliation(s)
- Dawn M. Emerson
- Department of Physical Therapy, Rehabilitation Science, and Athletic Training, School of Health Professions, University of Kansas Medical Center, 3901 Rainbow Blvd, MS 2002, Kansas City, Kansas, 66 160, USA
| | - Stephen CL. Chen
- Division of Exercise and Sport Science, Bob Jones University, 1700 Wade Hampton Blvd, Greenville, South Carolina, 29 614, USA
| | - Toni M. Torres-McGehee
- Department of Exercise Science, Arnold School of Public Health, University of South Carolina, 921 Assembly Street, Columbia, SC, 29208, USA
| | - Craig E. Pfeifer
- Applied Sport and Exercise Sciences, The Park, University of Gloucestershire, Cheltenham GL50 2RH, United Kingdom
| | - Charles C. Emerson
- Department of Athletics, 5100 Rockhill Rd SRC 201, University of Missouri-Kansas City, Kansas City, Missouri, 64110, USA
| | - J. Mark Davis
- Department of Exercise Science, Arnold School of Public Health, University of South Carolina, 921 Assembly Street, Columbia, SC, 29208, USA
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21
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Opichka MA, Rappelt MW, Gutterman DD, Grobe JL, McIntosh JJ. Vascular Dysfunction in Preeclampsia. Cells 2021; 10:3055. [PMID: 34831277 PMCID: PMC8616535 DOI: 10.3390/cells10113055] [Citation(s) in RCA: 78] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 11/01/2021] [Accepted: 11/04/2021] [Indexed: 01/22/2023] Open
Abstract
Preeclampsia is a life-threatening pregnancy-associated cardiovascular disorder characterized by hypertension and proteinuria at 20 weeks of gestation. Though its exact underlying cause is not precisely defined and likely heterogenous, a plethora of research indicates that in some women with preeclampsia, both maternal and placental vascular dysfunction plays a role in the pathogenesis and can persist into the postpartum period. Potential abnormalities include impaired placentation, incomplete spiral artery remodeling, and endothelial damage, which are further propagated by immune factors, mitochondrial stress, and an imbalance of pro- and antiangiogenic substances. While the field has progressed, current gaps in knowledge include detailed initial molecular mechanisms and effective treatment options. Newfound evidence indicates that vasopressin is an early mediator and biomarker of the disorder, and promising future therapeutic avenues include mitigating mitochondrial dysfunction, excess oxidative stress, and the resulting inflammatory state. In this review, we provide a detailed overview of vascular defects present during preeclampsia and connect well-established notions to newer discoveries at the molecular, cellular, and whole-organism levels.
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Affiliation(s)
- Megan A. Opichka
- Department of Physiology, Medical College of Wisconsin, Milwaukee, WI 53226, USA; (M.A.O.); (D.D.G.); (J.L.G.)
| | - Matthew W. Rappelt
- Cardiovascular Center, Medical College of Wisconsin, Milwaukee, WI 53226, USA;
| | - David D. Gutterman
- Department of Physiology, Medical College of Wisconsin, Milwaukee, WI 53226, USA; (M.A.O.); (D.D.G.); (J.L.G.)
- Cardiovascular Center, Medical College of Wisconsin, Milwaukee, WI 53226, USA;
- Department of Medicine, Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | - Justin L. Grobe
- Department of Physiology, Medical College of Wisconsin, Milwaukee, WI 53226, USA; (M.A.O.); (D.D.G.); (J.L.G.)
- Cardiovascular Center, Medical College of Wisconsin, Milwaukee, WI 53226, USA;
- Neuroscience Research Center, Medical College of Wisconsin, Milwaukee, WI 53226, USA
- Comprehensive Rodent Metabolic Phenotyping Core, Medical College of Wisconsin, Milwaukee, WI 53226, USA
- Department of Biomedical Engineering, Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | - Jennifer J. McIntosh
- Department of Physiology, Medical College of Wisconsin, Milwaukee, WI 53226, USA; (M.A.O.); (D.D.G.); (J.L.G.)
- Cardiovascular Center, Medical College of Wisconsin, Milwaukee, WI 53226, USA;
- Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, WI 53226, USA
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22
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Kotlęga D, Peda B, Drozd A, Zembroń-Łacny A, Stachowska E, Gramacki J, Szczuko M. Prostaglandin E2, 9S-, 13S-HODE and resolvin D1 are strongly associated with the post-stroke cognitive impairment. Prostaglandins Other Lipid Mediat 2021; 156:106576. [PMID: 34119645 DOI: 10.1016/j.prostaglandins.2021.106576] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 05/18/2021] [Accepted: 06/07/2021] [Indexed: 01/17/2023]
Abstract
BACKGROUND Inflammatory derivatives of free fatty acids are involved in the development of neuroinflammation and cognitive dysfunctions. The study aim was to establish the influence of eicosanoids on the cognitive status of stroke patients. METHODS 73 stroke patients were prospectively evaluated towards the neuropsychological cognitive functions on the 7th day after stroke and after follow-up of 6 months. Eicosanoids levels were measured in all patients and compared to stroke-free controls (n = 30). RESULTS Prostaglandin E2 was negatively correlated with Montreal Cognitive Assessment (MOCA) test on the 7th day after stroke. The level of 9-hydroxyoctadecadienoic acid (9S-HODE) was significantly higher in patients with cognitive dysfunctions in MOCA test compared to the others (group I mean ± SD: 0.040 ± 0.035 vs. group II: 0.0271 ± 0.016). In the initial neuropsychological assessment maresin 1-, 5-hydroxyeicosatetraenoic acid (HETE), 12S-HETE and 15S-HETE were negatively correlated with California Verbal Learning Test (CVLT) and thus with cognitive functions, while in the follow-up examination negative correlations were identified for prostaglandin E2, meresin 1, leukotriene B4, 13S HODE, 9S-HODE; the only positive correlation was observed in 15S-HETE. Other neuropsychological tests showed a beneficial impact of resolvin D1 and a negative role of prostaglandin E2 was observed in the first examination and in the follow-up. Resolvin D1 and the group of all analyzed eicosanoids predict changes in cognitive functions. CONCLUSIONS Eicosanoids can play a role in the neuroinflammation. They can affect the cognitive status at the stroke onset and have a predictive value for post-stroke cognitive decline. Prostaglandin E2, 9S-, 13S-HODE and resolvin D1 are the most important inflammatory free fatty acid derivatives in the cognitive functions in stroke. Eicosanoids predict post-stroke cognitive functions.
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Affiliation(s)
| | - Barbara Peda
- Department of Neurology, District Hospital, Glogow, Poland.
| | - Arleta Drozd
- Department of Human Nutrition and Metabolomics, Pomeranian Medical University in Szczecin, Poland.
| | - Agnieszka Zembroń-Łacny
- Department of Applied and Clinical Physiology, Collegium Medicum, University of Zielona Gora, Poland.
| | - Ewa Stachowska
- Department of Human Nutrition and Metabolomics, Pomeranian Medical University in Szczecin, Poland.
| | - Jarosław Gramacki
- Centre of Information Technologies, University of Zielona Gora, 65-417 Zielona Gora, Poland.
| | - Małgorzata Szczuko
- Department of Human Nutrition and Metabolomics, Pomeranian Medical University in Szczecin, Poland.
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Mastalerz L, Tyrak KE. Biomarkers for predicting response to long-term high dose aspirin therapy in aspirin-exacerbated respiratory disease. Clin Transl Allergy 2021; 11:e12048. [PMID: 34429873 PMCID: PMC8361815 DOI: 10.1002/clt2.12048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 07/06/2021] [Accepted: 07/19/2021] [Indexed: 11/25/2022] Open
Abstract
INTRODUCTION Aspirin-exacerbated respiratory disease (AERD) is a phenotype of asthma characterized by eosinophilic inflammation in the airways, mast cell activation, cysteinyl leukotriene overproduction, and acute respiratory reactions on exposure to cyclooxygenase-1 inhibitors. Aspirin desensitization followed by daily high-dose aspirin therapy is a safe and effective treatment option for the majority of patients with AERD. However, there is still some percentage of the population who do not derive benefits from daily aspirin use. METHODS Based on the current literature, the biomarkers, which might predict aspirin treatment outcomes in AERD patients, were evaluated. RESULTS AND CONCLUSIONS Patients with severe symptoms of chronic rhinosinusitis, type 2 asthma based on blood eosinophilia, non-neutrophilic inflammatory phenotype based on sputum cells, as well as high plasma level of 15-hydroxyeicosatetraenoic acid (15-HETE) are potentially good responders to long term high-dose aspirin therapy. Additionally, high expression of the hydroxyprostaglandin dehydrogenase gene, HPGD encoding prostaglandin-degrading enzyme 15-hydroxyprostaglandin dehydrogenase (15-PGDH) and low expression of the proteoglycan 2 gene, PRG2 encoding constituent of the eosinophil granule in sputum cells might serve as a predictor of good response to aspirin therapy. Variations in the expression of cysteinyl leukotriene receptor 1 in the airways could additionally influence the response to long-term aspirin therapy. Arachidonic acid metabolites levels via the 5-lipoxygenase as well as via the cyclooxygenase pathways in induced sputum supernatant do not change during high dose long-term aspirin therapy and do not influence outcomes of aspirin treatment.
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Affiliation(s)
- Lucyna Mastalerz
- 2nd Department of Internal MedicineJagiellonian University Medical CollegeCracowPoland
| | - Katarzyna E. Tyrak
- 2nd Department of Internal MedicineJagiellonian University Medical CollegeCracowPoland
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24
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Trinh HKT, Pham LD, Le KM, Park HS. Pharmacogenomics of Hypersensitivity to Non-steroidal Anti-inflammatory Drugs. Front Genet 2021; 12:647257. [PMID: 34249079 PMCID: PMC8269449 DOI: 10.3389/fgene.2021.647257] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Accepted: 05/05/2021] [Indexed: 11/13/2022] Open
Abstract
Non-steroidal anti-inflammatory drugs (NSAIDs) are extensively prescribed in daily clinical practice. NSAIDs are the main cause of drug hypersensitivity reactions all over the world. The inhibition of cyclooxygenase enzymes by NSAIDs can perpetuate arachidonic acid metabolism, shunting to the 5-lipoxygenase pathway and its downstream inflammatory process. Clinical phenotypes of NSAID hypersensitivity are diverse and can be classified into cross-reactive or selective responses. Efforts have been made to understand pathogenic mechanisms, in which, genetic and epigenetic backgrounds are implicated in various processes of NSAID-induced hypersensitivity reactions. Although there were some similarities among patients, several genetic polymorphisms are distinct in those exhibiting respiratory or cutaneous symptoms. Moreover, the expression levels, as well as the methylation status of genes related to immune responses were demonstrated to be involved in NSAID-induced hypersensitivity reactions. There is still a lack of data on delayed type reactions. Further studies with a larger sample size, which integrate different genetic pathways, can help overcome current limitations of gen etic/epigenetic studies, and provide valuable information on NSAID hypersensitivity reactions.
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Affiliation(s)
- Hoang Kim Tu Trinh
- Center for Molecular Biomedicine, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Le Duy Pham
- Faculty of Medicine, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Kieu Minh Le
- Center for Molecular Biomedicine, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Hae-Sim Park
- Department of Allergy and Clinical Immunology, Ajou University Medical Center, Suwon, South Korea
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25
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Tyrak KE, Pajdzik K, Jakieła B, Kupryś-Lipińska I, Ćmiel A, Kacorzyk R, Trąd G, Kuna P, Sanak M, Mastalerz L. Biomarkers for predicting response to aspirin therapy in aspirin-exacerbated respiratory disease. Clin Exp Allergy 2021; 51:1046-1056. [PMID: 33905579 PMCID: PMC9292205 DOI: 10.1111/cea.13886] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 04/12/2021] [Accepted: 04/18/2021] [Indexed: 01/18/2023]
Abstract
Background Aspirin desensitization followed by daily aspirin use is an effective treatment for aspirin‐exacerbated respiratory disease (AERD). Objective To assess clinical features as well as genetic, immune, cytological and biochemical biomarkers that might predict a positive response to high‐dose aspirin therapy in AERD. Methods We enrolled 34 AERD patients with severe asthma who underwent aspirin desensitization followed by 52‐week aspirin treatment (650 mg/d). At baseline and at 52 weeks, clinical assessment was performed; phenotypes based on induced sputum cells were identified; eicosanoid, cytokine and chemokine levels in induced sputum supernatant were determined; and induced sputum expression of 94 genes was assessed. Responders to high‐dose aspirin were defined as patients with improvement in 5‐item Asthma Control Questionnaire score, 22‐item Sino‐Nasal Outcome Test (SNOT‐22) score and forced expiratory volume in 1 second at 52 weeks. Results There were 28 responders (82%). Positive baseline predictors of response included female sex (p = .002), higher SNOT‐22 score (p = .03), higher blood eosinophil count (p = .01), lower neutrophil percentage in induced sputum (p = .003), higher expression of the hydroxyprostaglandin dehydrogenase gene, HPGD (p = .004) and lower expression of the proteoglycan 2 gene, PRG2 (p = .01). The best prediction model included Asthma Control Test and SNOT‐22 scores, blood eosinophils and total serum immunoglobulin E. Responders showed a marked decrease in sputum eosinophils but no changes in eicosanoid levels. Conclusions and Clinical Relevance Female sex, high blood eosinophil count, low sputum neutrophil percentage, severe nasal symptoms, high HPGD expression and low PRG2 expression may predict a positive response to long‐term high‐dose aspirin therapy in patients with AERD.
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Affiliation(s)
- Katarzyna E Tyrak
- 2nd Department of Internal Medicine, Jagiellonian University Medical College, Cracow, Poland
| | - Kinga Pajdzik
- 2nd Department of Internal Medicine, Jagiellonian University Medical College, Cracow, Poland
| | - Bogdan Jakieła
- 2nd Department of Internal Medicine, Jagiellonian University Medical College, Cracow, Poland
| | - Izabela Kupryś-Lipińska
- Department of Internal Medicine, Asthma and Allergy, Medical University of Lodz, Lodz, Poland
| | - Adam Ćmiel
- Department of Applied Mathematics, AGH University of Science and Technology, Cracow, Poland
| | - Radosław Kacorzyk
- 2nd Department of Internal Medicine, Jagiellonian University Medical College, Cracow, Poland
| | - Gabriela Trąd
- 2nd Department of Internal Medicine, Jagiellonian University Medical College, Cracow, Poland
| | - Piotr Kuna
- Department of Internal Medicine, Asthma and Allergy, Medical University of Lodz, Lodz, Poland
| | - Marek Sanak
- 2nd Department of Internal Medicine, Jagiellonian University Medical College, Cracow, Poland
| | - Lucyna Mastalerz
- 2nd Department of Internal Medicine, Jagiellonian University Medical College, Cracow, Poland
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26
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Emerson DM, Chen SCL, Kelly MR, Parnell B, Torres-McGehee TM. Non-steroidal anti-inflammatory drugs on core body temperature during exercise: A systematic review. J Exerc Sci Fit 2021; 19:127-133. [PMID: 33552178 PMCID: PMC7829260 DOI: 10.1016/j.jesf.2020.12.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 12/21/2020] [Accepted: 12/21/2020] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND Because of their anti-pyretic effects, some individuals prophylactically use non-steroidal anti-inflammatory drugs (NSAIDs) to blunt core temperature (Tc) increases during exercise, thus, potentially improving performance by preventing hyperthermia and/or exertional heat illness. However, NSAIDs induce gastrointestinal damage, alter renal function, and decrease cardiovascular function, which could compromise thermoregulation and increase Tc. The aim of this systematic review was to evaluate the effects of NSAIDs on Tc in exercising, adult humans. METHODS We conducted searches in MEDLINE, PubMed, Cochrane Reviews, and Google Scholar for literature published up to November 2020. We conducted a quality assessment review using the Physiotherapy Evidence Database scale. Nine articles achieved a score ≥ seven to be included in the review. RESULTS Seven studies found aspirin, ibuprofen, and naproxen had no effect (p > .05) on Tc during walking, running, or cycling for ≤ 90 min in moderate to hot environments. Two studies found significant Tc changes. In one investigation, 81 mg of aspirin for 7-10 days prior to exercise significantly increased Tc during cycling (p < .001); final Tc at the end of exercise = 38.3 ± 0.1 °C vs. control = 38.1 ± 0.1 °C. In contrast, participants administered 50 mg rofecoxib for 6 days experienced significantly lower Tc during 45 min of cycling compared to placebo (NSAID Tc range ≈ 36.7-37.2 °C vs control ≈ 37.3-37.8 °C, p < 0.05). CONCLUSIONS There are limited quality studies examining NSAID effects on Tc during exercise in humans. The majority suggest taking non-selective NSAIDs (e.g., aspirin) 1-14 days before exercise does not significantly affect Tc during exercise. However, it remains unclear whether Tc increases, decreases, or does not change during exercise with other NSAID drug types (e.g., naproxen), higher dosages, chronic use, greater exercise intensity, and/or greater environmental temperatures.
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Affiliation(s)
- Dawn M. Emerson
- Department of Health, Sport, and Exercise Sciences, University of Kansas, KS, 66045, USA
| | - Stephen CL. Chen
- Division of Exercise and Sport Science, Bob Jones University, SC, 29614, USA
| | - Melani R. Kelly
- Department of Health, Sport, and Exercise Sciences, University of Kansas, KS, 66045, USA
| | - Bryant Parnell
- Department of Exercise Science, University of South Carolina, SC, 29208, USA
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27
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Wang B, Wu L, Chen J, Dong L, Chen C, Wen Z, Hu J, Fleming I, Wang DW. Metabolism pathways of arachidonic acids: mechanisms and potential therapeutic targets. Signal Transduct Target Ther 2021; 6:94. [PMID: 33637672 PMCID: PMC7910446 DOI: 10.1038/s41392-020-00443-w] [Citation(s) in RCA: 428] [Impact Index Per Article: 142.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 10/04/2020] [Accepted: 10/15/2020] [Indexed: 01/31/2023] Open
Abstract
The arachidonic acid (AA) pathway plays a key role in cardiovascular biology, carcinogenesis, and many inflammatory diseases, such as asthma, arthritis, etc. Esterified AA on the inner surface of the cell membrane is hydrolyzed to its free form by phospholipase A2 (PLA2), which is in turn further metabolized by cyclooxygenases (COXs) and lipoxygenases (LOXs) and cytochrome P450 (CYP) enzymes to a spectrum of bioactive mediators that includes prostanoids, leukotrienes (LTs), epoxyeicosatrienoic acids (EETs), dihydroxyeicosatetraenoic acid (diHETEs), eicosatetraenoic acids (ETEs), and lipoxins (LXs). Many of the latter mediators are considered to be novel preventive and therapeutic targets for cardiovascular diseases (CVD), cancers, and inflammatory diseases. This review sets out to summarize the physiological and pathophysiological importance of the AA metabolizing pathways and outline the molecular mechanisms underlying the actions of AA related to its three main metabolic pathways in CVD and cancer progression will provide valuable insight for developing new therapeutic drugs for CVD and anti-cancer agents such as inhibitors of EETs or 2J2. Thus, we herein present a synopsis of AA metabolism in human health, cardiovascular and cancer biology, and the signaling pathways involved in these processes. To explore the role of the AA metabolism and potential therapies, we also introduce the current newly clinical studies targeting AA metabolisms in the different disease conditions.
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Affiliation(s)
- Bei Wang
- Division of Cardiology, Department of Internal Medicine and Gene Therapy Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Huazhong University of Science and Technology, Hubei Province, Wuhan, China
- Department of Rheumatology and Immunology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei, Wuhan, China
| | - Lujin Wu
- Division of Cardiology, Department of Internal Medicine and Gene Therapy Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Huazhong University of Science and Technology, Hubei Province, Wuhan, China
| | - Jing Chen
- Division of Cardiology, Department of Internal Medicine and Gene Therapy Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Huazhong University of Science and Technology, Hubei Province, Wuhan, China
| | - Lingli Dong
- Department of Rheumatology and Immunology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei, Wuhan, China
| | - Chen Chen
- Division of Cardiology, Department of Internal Medicine and Gene Therapy Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Huazhong University of Science and Technology, Hubei Province, Wuhan, China
| | - Zheng Wen
- Division of Cardiology, Department of Internal Medicine and Gene Therapy Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Huazhong University of Science and Technology, Hubei Province, Wuhan, China
| | - Jiong Hu
- Institute for Vascular Signalling, Centre for Molecular Medicine, Goethe University, Frankfurt am Main, Germany
| | - Ingrid Fleming
- Institute for Vascular Signalling, Centre for Molecular Medicine, Goethe University, Frankfurt am Main, Germany
| | - Dao Wen Wang
- Division of Cardiology, Department of Internal Medicine and Gene Therapy Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Huazhong University of Science and Technology, Hubei Province, Wuhan, China.
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28
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Vu SH, Bernardo Reyes AW, Ngoc Huy TX, Min W, Lee HJ, Kim HJ, Lee JH, Kim S. Prostaglandin I2 (PGI 2) inhibits Brucella abortus internalization in macrophages via PGI 2 receptor signaling, and its analogue affects immune response and disease outcome in mice. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2021; 115:103902. [PMID: 33091457 DOI: 10.1016/j.dci.2020.103902] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 09/29/2020] [Accepted: 10/15/2020] [Indexed: 06/11/2023]
Abstract
To date, the implications of prostaglandin I2 (PGI2), a prominent lipid mediator for modulation of immune responses, has not been clearly understood in Brucella infection. In this study, we found that cyclooxygenase-2 (COX-2) was significantly expressed in both infected bone marrow-derived macrophages (BMMs) and RAW 264.7 cells. Prostaglandin I2 synthase (PTGIS) expression was not significantly changed, and PGI2receptor (PTGIR) expression was downregulated in BMMs but upregulated in RAW 264.7 macrophages at late infection. Here, we presented that PGI2, a COX-derived metabolite, was produced by macrophages during Brucella infection and its production was regulated by COX-2 and IL-10. We suggested that PGI2 and selexipag, a potent PGI2 analogue, inhibited Brucella internalization through IP signaling which led to down-regulation of F-actin polymerization and p38α MAPK activity. Administration with selexipag suppressed immune responses and resulted in a notable reduction in bacterial burden in spleen of Brucella-challenged mice. Taken together, our study is the first to characterize PGI2 synthesis and its effect in evasion strategy of macrophages against Brucella infection.
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Affiliation(s)
- Son Hai Vu
- Institute of Applied Sciences, Ho Chi Minh City University of Technology - HUTECH, 475A Dien Bien Phu St., Ward 25, Binh Thanh District, Ho Chi Minh City, Viet Nam; Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | | | - Tran Xuan Ngoc Huy
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Wongi Min
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Hu Jang Lee
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Hyun-Jin Kim
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - John Hwa Lee
- College of Veterinary Medicine, Chonbuk National University, Iksan, 54596, Republic of Korea
| | - Suk Kim
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea.
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29
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Faria AVS, Andrade SS, Peppelenbosch MP, Ferreira-Halder CV, Fuhler GM. Platelets in aging and cancer-"double-edged sword". Cancer Metastasis Rev 2020; 39:1205-1221. [PMID: 32869161 PMCID: PMC7458881 DOI: 10.1007/s10555-020-09926-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 08/12/2020] [Indexed: 02/06/2023]
Abstract
Platelets control hemostasis and play a key role in inflammation and immunity. However, platelet function may change during aging, and a role for these versatile cells in many age-related pathological processes is emerging. In addition to a well-known role in cardiovascular disease, platelet activity is now thought to contribute to cancer cell metastasis and tumor-associated venous thromboembolism (VTE) development. Worldwide, the great majority of all patients with cardiovascular disease and some with cancer receive anti-platelet therapy to reduce the risk of thrombosis. However, not only do thrombotic diseases remain a leading cause of morbidity and mortality, cancer, especially metastasis, is still the second cause of death worldwide. Understanding how platelets change during aging and how they may contribute to aging-related diseases such as cancer may contribute to steps taken along the road towards a "healthy aging" strategy. Here, we review the changes that occur in platelets during aging, and investigate how these versatile blood components contribute to cancer progression.
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Affiliation(s)
- Alessandra V S Faria
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center Rotterdam, NL-3000 CA, Rotterdam, The Netherlands
- Department of Biochemistry and Tissue Biology, University of Campinas, UNICAMP, Campinas, SP, 13083-862, Brazil
| | | | - Maikel P Peppelenbosch
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center Rotterdam, NL-3000 CA, Rotterdam, The Netherlands
| | - Carmen V Ferreira-Halder
- Department of Biochemistry and Tissue Biology, University of Campinas, UNICAMP, Campinas, SP, 13083-862, Brazil
| | - Gwenny M Fuhler
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center Rotterdam, NL-3000 CA, Rotterdam, The Netherlands.
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30
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Yao T, Yan J, Li Y, Wang J, Qiao M, Hu X, Shi X, Cao S, Qiu F. An integrated approach based on phytochemistry, network pharmacology and metabolomics reveals the mechanism of action of Xanthium strumarium L. for allergic rhinitis. RSC Adv 2020; 10:41154-41163. [PMID: 35519219 PMCID: PMC9057783 DOI: 10.1039/d0ra06763f] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 10/21/2020] [Indexed: 11/21/2022] Open
Abstract
Xanthium strumarium L. (XS) is a traditional Chinese medicine (TCM) that has been widely used in Chinese medicine prescription for allergic rhinitis (AR). However, the action mechanisms of XS on the therapeutic effects on AR remain elusive. Herein, an integrated approach of phytochemistry, network pharmacology and metabolomics was first applied to uncover the action mechanisms of XS for AR. The therapeutic effect of XS extract on AR was evaluated in rat models of ovalbumin (OVA)-induced AR. The cytokine levels in rat serum and histopathological changes of nasal mucosa were assessed after oral treatment with XS. Chemical compositions of XS were elucidated by phytochemical methods, and active ingredients were identified via ADME-TOX screening in silico. Network pharmacology was performed to establish and analyze the compound-target-disease network so as to find the possible mechanism of XS in treating AR. In addition, metabolomics analysis was applied to investigate the changes in the endogenous metabolite levels that result from XS treatments. As result, the XS extract significantly increased the serum concentrations of IL-2 and reduced the levels of serum IL-4, while XS could ameliorate inflammation in the nasal sub-mucosal area, indicating that XS has significant therapeutic effects on AR model rats. Furthermore, a total of 119 compounds were isolated from XS, and 59 of these compounds were identified as active ingredients through ADME-TOX screening in silico. An in-depth analysis of the network pharmacology implied that the active ingredients of XS could regulate the inflammatory response via “multi-component, multi-target” patterns. In combination with the results of metabolomics, we found that the active ingredients of XS have a beneficial effect on AR through regulating the metabolism of arachidonic acid, which was reflected by medicating the Fc epsilon RI signaling pathway, and the neuroactive ligand–receptor interaction pathway, as well as the key proteins in arachidonic acid metabolism, such as PTGS2, PTGS1, PTGES and ALOX5. Additionally, molecular docking showed that multiple compounds have better binding with PTGS2 and ALOX5, which might be two crucial targets. Overall, these results suggest that the treatment of XS for AR is realized by regulating the metabolism of arachidonic acid via a combination form. This study provides the basis for clinical applications of XS. This study investigated the mechanism of Xanthium strumarium L. for allergic rhinitis through an integrated approach of phytochemistry, network pharmacology and metabolomics.![]()
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Affiliation(s)
- Tie Yao
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University Shenyang 110016 China .,School of Chinese Materia Medica, Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine Tianjin 301617 China
| | - Jiankun Yan
- School of Chinese Materia Medica, Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine Tianjin 301617 China.,Analysis Center of College of Science & Technology, Hebei Agricultural University Cangzhou 061100 China
| | - Yang Li
- School of Chinese Materia Medica, Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine Tianjin 301617 China
| | - Jiaxin Wang
- School of Chinese Materia Medica, Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine Tianjin 301617 China
| | - Miao Qiao
- School of Chinese Materia Medica, Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine Tianjin 301617 China
| | - Xintong Hu
- School of Chinese Materia Medica, Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine Tianjin 301617 China
| | - Xuliu Shi
- School of Chinese Materia Medica, Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine Tianjin 301617 China.,Analysis Center of College of Science & Technology, Hebei Agricultural University Cangzhou 061100 China
| | - Shijie Cao
- Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine Tianjin 301617 China
| | - Feng Qiu
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University Shenyang 110016 China .,School of Chinese Materia Medica, Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine Tianjin 301617 China
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31
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Wise RM, Harrison MAA, Sullivan BN, Al-Ghadban S, Aleman SJ, Vinluan AT, Monaco ER, Donato UM, Pursell IA, Bunnell BA. Short-Term Rapamycin Preconditioning Diminishes Therapeutic Efficacy of Human Adipose-Derived Stem Cells in a Murine Model of Multiple Sclerosis. Cells 2020; 9:E2218. [PMID: 33008073 PMCID: PMC7600854 DOI: 10.3390/cells9102218] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 09/16/2020] [Accepted: 09/28/2020] [Indexed: 01/22/2023] Open
Abstract
Human adipose-derived stem cells (ASCs) show immense promise for treating inflammatory diseases, attributed primarily to their potent paracrine signaling. Previous investigations demonstrated that short-term Rapamycin preconditioning of bone marrow-derived stem cells (BMSCs) elevated secretion of prostaglandin E2, a pleiotropic molecule with therapeutic effects in the experimental autoimmune encephalomyelitis (EAE) model of multiple sclerosis (MS), and enhanced immunosuppressive capacity in vitro. However, this has yet to be examined in ASCs. The present study examined the therapeutic potential of short-term Rapamycin-preconditioned ASCs in the EAE model. Animals were treated at peak disease with control ASCs (EAE-ASCs), Rapa-preconditioned ASCs (EAE-Rapa-ASCs), or vehicle control (EAE). Results show that EAE-ASCs improved clinical disease scores and elevated intact myelin compared to both EAE and EAE-Rapa-ASC animals. These results correlated with augmented CD4+ T helper (Th) and T regulatory (Treg) cell populations in the spinal cord, and increased gene expression of interleukin-10 (IL-10), an anti-inflammatory cytokine. Conversely, EAE-Rapa-ASC mice showed no improvement in clinical disease scores, reduced myelin levels, and significantly less Th and Treg cells in the spinal cord. These findings suggest that short-term Rapamycin preconditioning reduces the therapeutic efficacy of ASCs when applied to late-stage EAE.
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Affiliation(s)
- Rachel M. Wise
- Neuroscience Program, Tulane Brain Institute, Tulane University School of Science & Engineering, New Orleans, LA 70118, USA; (R.M.W.); (M.A.A.H.); (B.N.S.); (S.J.A.); (A.T.V.); (E.R.M.); (U.M.D.)
- Center for Stem Cell Research & Regenerative Medicine, Tulane University School of Medicine, New Orleans, LA 70112, USA; (S.A.-G.); (I.A.P.)
| | - Mark A. A. Harrison
- Neuroscience Program, Tulane Brain Institute, Tulane University School of Science & Engineering, New Orleans, LA 70118, USA; (R.M.W.); (M.A.A.H.); (B.N.S.); (S.J.A.); (A.T.V.); (E.R.M.); (U.M.D.)
- Center for Stem Cell Research & Regenerative Medicine, Tulane University School of Medicine, New Orleans, LA 70112, USA; (S.A.-G.); (I.A.P.)
| | - Brianne N. Sullivan
- Neuroscience Program, Tulane Brain Institute, Tulane University School of Science & Engineering, New Orleans, LA 70118, USA; (R.M.W.); (M.A.A.H.); (B.N.S.); (S.J.A.); (A.T.V.); (E.R.M.); (U.M.D.)
- Center for Stem Cell Research & Regenerative Medicine, Tulane University School of Medicine, New Orleans, LA 70112, USA; (S.A.-G.); (I.A.P.)
| | - Sara Al-Ghadban
- Center for Stem Cell Research & Regenerative Medicine, Tulane University School of Medicine, New Orleans, LA 70112, USA; (S.A.-G.); (I.A.P.)
- Department of Microbiology, Immunology and Genetics, University of North Texas Health Science Center, Fort Worth, TX 76107, USA
| | - Sarah J. Aleman
- Neuroscience Program, Tulane Brain Institute, Tulane University School of Science & Engineering, New Orleans, LA 70118, USA; (R.M.W.); (M.A.A.H.); (B.N.S.); (S.J.A.); (A.T.V.); (E.R.M.); (U.M.D.)
| | - Amber T. Vinluan
- Neuroscience Program, Tulane Brain Institute, Tulane University School of Science & Engineering, New Orleans, LA 70118, USA; (R.M.W.); (M.A.A.H.); (B.N.S.); (S.J.A.); (A.T.V.); (E.R.M.); (U.M.D.)
| | - Emily R. Monaco
- Neuroscience Program, Tulane Brain Institute, Tulane University School of Science & Engineering, New Orleans, LA 70118, USA; (R.M.W.); (M.A.A.H.); (B.N.S.); (S.J.A.); (A.T.V.); (E.R.M.); (U.M.D.)
| | - Umberto M. Donato
- Neuroscience Program, Tulane Brain Institute, Tulane University School of Science & Engineering, New Orleans, LA 70118, USA; (R.M.W.); (M.A.A.H.); (B.N.S.); (S.J.A.); (A.T.V.); (E.R.M.); (U.M.D.)
| | - India A. Pursell
- Center for Stem Cell Research & Regenerative Medicine, Tulane University School of Medicine, New Orleans, LA 70112, USA; (S.A.-G.); (I.A.P.)
| | - Bruce A. Bunnell
- Center for Stem Cell Research & Regenerative Medicine, Tulane University School of Medicine, New Orleans, LA 70112, USA; (S.A.-G.); (I.A.P.)
- Department of Microbiology, Immunology and Genetics, University of North Texas Health Science Center, Fort Worth, TX 76107, USA
- Department of Pharmacology, Tulane University School of Medicine, New Orleans, LA 70112, USA
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In Vivo Anti-inflammatory Potential of Viscozyme ®-Treated Jujube Fruit. Foods 2020; 9:foods9081033. [PMID: 32752184 PMCID: PMC7466189 DOI: 10.3390/foods9081033] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 07/28/2020] [Accepted: 07/30/2020] [Indexed: 12/11/2022] Open
Abstract
The fruit of Ziziphus jujuba, commonly called jujube, has long been consumed for its health benefits. The aim of this study was to examine the protective effect of dietary supplementation of enzymatically hydrolyzed jujube against lung inflammation in mice. The macerated flesh of jujube was extracted with aqueous ethanol before and after Viscozyme treatment. The extract of enzyme-treated jujube, called herein hydrolyzed jujube extract (HJE), contained higher levels of quercetin, total phenolics, and flavonoids, and exhibited more effective radical-scavenging abilities in comparison to non-hydrolyzed jujube extract (NHJE). HJE treatment decreased production of inflammation-associated molecules, including nitric oxide and pro-inflammatory cytokines from activated Raw 264.7 or differentiated THP-1 cells. HJE treatment also reduced expression of nuclear factor-κB and its downstream proteins in A549 human lung epithelial cells. Moreover, oral supplementation of 1.5 g of HJE per kg of body weight (BW) attenuated histological lung damage, decreased plasma cytokines, and inhibited expression of inflammatory proteins and oxidative stress mediators in the lungs of mice exposed to benzo(a)pyrene at 50 mg/kg BW. Expression levels of antioxidant and cytoprotective factors, such as nuclear factor erythroid-derived 2-related factor 2 and heme oxygenase-1, were increased in lung and liver tissues from mice treated with HJE, compared to mice fed NHJE. These findings indicate that dietary HJE can reduce benzo(a)pyrene-induced lung inflammation by inhibiting cytokine release from macrophages and promoting antioxidant defenses in vivo.
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33
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Madi A, Cui G. Regulation of immune cell metabolism by cancer cell oncogenic mutations. Int J Cancer 2020; 147:307-316. [PMID: 31994718 DOI: 10.1002/ijc.32888] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 01/20/2020] [Accepted: 01/22/2020] [Indexed: 12/20/2022]
Abstract
In noncancerous tissues, neighboring cells coexist in metabolic harmony. This metabolic harmony is disrupted in cancerous tissues, often accompanied by genetic mutations. Tumor cells fundamentally change the metabolite profiles in the tumor microenvironment to favor their own growth. In this review, we will discuss several examples in which genetic mutations reprogram tumor cell metabolic pathways, leading to the consumption of essential nutrients in the tumor microenvironment, production of toxic byproducts, and suppression of antitumor immune cell metabolic fitness and tumor-killing function. Finally, we will briefly discuss how immune checkpoint blockade overcomes the metabolic suppression of tumor-infiltrating immune cells.
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Affiliation(s)
- Alaa Madi
- T Cell Metabolism Group (D140), German Cancer Research Center (DKFZ), Heidelberg, Germany.,Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Guoliang Cui
- T Cell Metabolism Group (D140), German Cancer Research Center (DKFZ), Heidelberg, Germany.,Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
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Ipseiz N, Pickering RJ, Rosas M, Tyrrell VJ, Davies LC, Orr SJ, Czubala MA, Fathalla D, Robertson AA, Bryant CE, O'Donnell V, Taylor PR. Tissue-resident macrophages actively suppress IL-1beta release via a reactive prostanoid/IL-10 pathway. EMBO J 2020; 39:e103454. [PMID: 32484988 PMCID: PMC7360975 DOI: 10.15252/embj.2019103454] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 04/28/2020] [Accepted: 04/30/2020] [Indexed: 12/30/2022] Open
Abstract
The alarm cytokine interleukin‐1β (IL‐1β) is a potent activator of the inflammatory cascade following pathogen recognition. IL‐1β production typically requires two signals: first, priming by recognition of pathogen‐associated molecular patterns leads to the production of immature pro‐IL‐1β; subsequently, inflammasome activation by a secondary signal allows cleavage and maturation of IL‐1β from its pro‐form. However, despite the important role of IL‐1β in controlling local and systemic inflammation, its overall regulation is still not fully understood. Here we demonstrate that peritoneal tissue‐resident macrophages use an active inhibitory pathway, to suppress IL‐1β processing, which can otherwise occur in the absence of a second signal. Programming by the transcription factor Gata6 controls the expression of prostacyclin synthase, which is required for prostacyclin production after lipopolysaccharide stimulation and optimal induction of IL‐10. In the absence of secondary signal, IL‐10 potently inhibits IL‐1β processing, providing a previously unrecognized control of IL‐1β in tissue‐resident macrophages.
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Affiliation(s)
- Natacha Ipseiz
- Systems Immunity Research Institute, Heath Park, Cardiff University, Cardiff, UK
| | - Robert J Pickering
- Systems Immunity Research Institute, Heath Park, Cardiff University, Cardiff, UK
| | - Marcela Rosas
- Systems Immunity Research Institute, Heath Park, Cardiff University, Cardiff, UK
| | - Victoria J Tyrrell
- Systems Immunity Research Institute, Heath Park, Cardiff University, Cardiff, UK
| | - Luke C Davies
- Systems Immunity Research Institute, Heath Park, Cardiff University, Cardiff, UK
| | - Selinda J Orr
- Systems Immunity Research Institute, Heath Park, Cardiff University, Cardiff, UK.,Wellcome-Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry and Biomedical Science, Queen's University Belfast, Belfast, UK
| | - Magdalena A Czubala
- Systems Immunity Research Institute, Heath Park, Cardiff University, Cardiff, UK
| | - Dina Fathalla
- Systems Immunity Research Institute, Heath Park, Cardiff University, Cardiff, UK.,UK Dementia Research Institute at Cardiff, Cardiff University, Cardiff, UK
| | - Avril Ab Robertson
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Qld, Australia
| | - Clare E Bryant
- Immunology Catalyst Programme, GSK, Cambridge, UK.,Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | - Valerie O'Donnell
- Systems Immunity Research Institute, Heath Park, Cardiff University, Cardiff, UK
| | - Philip R Taylor
- Systems Immunity Research Institute, Heath Park, Cardiff University, Cardiff, UK.,UK Dementia Research Institute at Cardiff, Cardiff University, Cardiff, UK
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Knych HK, Arthur RM, McKemie DS, Baden RW, Seminoff K, Kass PH. Pharmacokinetics and anti-inflammatory effects of flunixin meglumine as a sole agent and in combination with phenylbutazone in exercised Thoroughbred horses. Equine Vet J 2020; 53:102-116. [PMID: 32145701 DOI: 10.1111/evj.13260] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 02/20/2020] [Accepted: 03/02/2020] [Indexed: 01/16/2023]
Abstract
BACKGROUND Flunixin meglumine (FM) and phenylbutazone (PBZ) are potent anti-inflammatory agents and as such their potential to mask injuries that would otherwise keep a horse from training or racing is concerning. A common practice in racetrack medicine in the USA is to administer the two drugs within close proximity (24 hours apart) of each other, raising the concern of pharmacokinetic interactions and enhanced anti-inflammatory effects. OBJECTIVES Describe the pharmacokinetics and effects of PBZ on the clearance of FM when administered in close proximity as well as effects on inflammatory mediators. STUDY DESIGN Two-way randomised balanced crossover experiment. METHODS Twelve Thoroughbred exercised horses received 500 mg FM IV alone or in combination with 2 g of IV PBZ 24 hours later. Blood and urine samples were collected prior to and for up to 120 hours post-drug administration. Whole blood samples were collected at various times and challenged with lipopolysaccharide or calcium ionophore to induce ex vivo synthesis of eicosanoids. Concentrations of FM, PBZ and eicosanoids were measured using LC-MS/MS and noncompartmental pharmacokinetic analysis performed on concentration data. RESULTS Flunixin meglumine clearance was significantly increased when horses received PBZ 24 hours post-administration (P = .03). No other differences in pharmacokinetic parameters were noted between groups. Thromboxane B2 was significantly suppressed, relative to baseline for 96 hours post-FM administration. Subsequent administration of PBZ prolonged the suppression. Prostaglandin E2 was decreased for 24 hours following administration of FM with subsequent administration of PBZ prolonging the suppression until 120 hours. PGF2alpha concentrations were decreased for up to 168 hours post-FM administration. FM administration significantly decreased 15-HETE. MAIN LIMITATIONS Small sample size and lack of a phenylbutazone-only treatment group. CONCLUSIONS Administration of PBZ post-FM administration increased FM clearance. The anti-inflammatory effects of FM appear to be prolonged when PBZ is administered 24 hours post-administration.
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Affiliation(s)
- Heather K Knych
- K.L. Maddy Equine Analytical Pharmacology Laboratory, School of Veterinary Medicine, University of California, Davis, CA, USA.,Department of Veterinary Molecular Biosciences, School of Veterinary Medicine, University of California, Davis, CA, USA
| | - Rick M Arthur
- School of Veterinary Medicine, University of California, Davis, CA, USA
| | - Daniel S McKemie
- K.L. Maddy Equine Analytical Pharmacology Laboratory, School of Veterinary Medicine, University of California, Davis, CA, USA
| | - Russell W Baden
- K.L. Maddy Equine Analytical Pharmacology Laboratory, School of Veterinary Medicine, University of California, Davis, CA, USA
| | - Kelsey Seminoff
- K.L. Maddy Equine Analytical Pharmacology Laboratory, School of Veterinary Medicine, University of California, Davis, CA, USA
| | - Philip H Kass
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, Davis, CA, USA
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Khajeh M, Nouri M, Ghasemzadeh A, Mehdizadeh A, Shanehbandi D, Yousefi S, Darabi M, Rahbarghazi R. Arachidonic acid alleviates the detrimental effects of acetylsalicylic acid on human granulosa cells performance in vitro. Mol Reprod Dev 2020; 87:607-619. [PMID: 32270588 DOI: 10.1002/mrd.23343] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Revised: 02/21/2020] [Accepted: 03/22/2020] [Indexed: 12/14/2022]
Abstract
Here, we investigated the biological effects of arachidonic acid (AA) in human cumulus granulosa cells (CGCs) after exposure to ASA. Cells were isolated from the follicular fluid and incubated with 0.5 mM acetylsalicylic acid (ASA) and 50 µM AA. Cell viability was analyzed by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay. E2 and P4 levels were measured by chemiluminescence assay. Expression of genes including CYP19A1, FACN, and SCD1 was measured by real-time polymerase chain reaction assay. Oxidative status was analyzed by monitoring glutathione peroxidase activity. The fatty acid profile was analyzed by the gas chromatography technique. Enzyme-linked immunosorbent assay was used to measure prostaglandin E2 (PGE2 ) in CGCs after exposure to ASA and AA. Protein levels of the estrogen receptor were studied by immunofluorescence staining. Ultrastructural changes were evaluated by transmission electron microscopy imaging. ASA treatment reduced E2 production, Cyp19a1 expression, glutathione peroxidase (GPx) activity, and estradiol receptor expression in CGCs. The addition of AA prevented the ASA-induced E2 reduction (p < .05) and expression of Cyp19a1. Moreover, AA increased the antioxidant capacity of CGCs exposed to ASA by promoting GPx activity (p < .05). AA increased monounsaturated fatty acid/saturated fatty acid ratio compared with the ASA group (p < .05). AA supplementation triggered the synthesis and secretion of PGE2 in ASA-treated CGCS (p < .05). Cytoplasmic vacuolation observed in the ASA group and treatment with AA intensified vacuolation rate. The expression of the estrogen receptor was increased after AA supplementation. Data demonstrated that AA decreased the detrimental effects of ASA on human CGCs after 72 hr.
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Affiliation(s)
- Masoumeh Khajeh
- Department of Biochemistry and Clinical Laboratories, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.,Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Nouri
- Department of Biochemistry and Clinical Laboratories, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Aalie Ghasemzadeh
- Women's Reproductive Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amir Mehdizadeh
- Endocrine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Dariush Shanehbandi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Soudabe Yousefi
- Department of Biochemistry and Clinical Laboratories, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Masoud Darabi
- Department of Biochemistry and Clinical Laboratories, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.,Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Reza Rahbarghazi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Applied Cell Sciences, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
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37
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Olsvik PA, Søfteland L. Mixture toxicity of chlorpyrifos-methyl, pirimiphos-methyl, and nonylphenol in Atlantic salmon ( Salmo salar) hepatocytes. Toxicol Rep 2020; 7:547-558. [PMID: 32373476 PMCID: PMC7191540 DOI: 10.1016/j.toxrep.2020.03.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 02/27/2020] [Accepted: 03/21/2020] [Indexed: 12/21/2022] Open
Abstract
Shotgun lipidomics points to combined effects on 18:0 and 18:1 lipid species. Combined effects seen on membrane phospholipids and TAG in salmon hepatocytes. Inhibited stearoyl CoA desaturase (SCD) and increased Δ6 desaturase (D6D) activity. Adjuvants may amend toxicity of active ingredient in pesticide formulations.
Pesticide formulations typically contain adjuvants added to enhance the performance of the active ingredient. Adjuvants may modify the bioavailability and toxicity of pesticides. In this study, the aim was to examine to which degree nonylphenol (NP) may interfere with the toxicity of two organophosphorus pesticides found in aquafeeds, chlorpyrifos-methyl (CPM) and pirimiphos-methyl (PPM). Atlantic salmon liver cells were exposed to these compounds singly or in combinations for 48 h using 3D cell cultures. Cytotoxicity, gene expression (RT-qPCR), and lipidomics endpoints were used to assess toxicity. The dose-response assessment showed that NP was the most toxic compound at equimolar concentrations (100 μM). Shotgun lipidomics pointed to a general pattern of elevated levels of saturated 18:0 fatty acids and declined levels of 18:1 monounsaturated fatty acids by the combined treatment. All three compounds had a distinct effect on membrane phospholipids, in particular on phosphatidylcholine (PC) and phosphatidylethanolamine (PE). Lipid species patterns predicted inhibited stearoyl CoA desaturase (SCD) activity and increased Δ6 desaturase (D6D) activity in co-treated cells. While all three compounds alone mitigated increased triacylglycerol (TAG) accumulation, combined treatment resulted in lower total TAG in the cells. Multivariate analysis with PLS regression showed significant combined effects for nine genes (d5d, d6d, scd, srebf2, vtg, esr1, cyp1, ugt1a, and cat) and four lipid species (FFA 22:5, LPC 18:0, TAG52:1-FA16:0, and TAG52:1-FA18:0). In summary, this study demonstrates that the adjuvant can be the main contributor to the toxicity of a mixture of two organophosphorus pesticides with relatively low toxicity in fish cells.
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Affiliation(s)
- Pål A Olsvik
- Nord University, Faculty of Biosciences and Aquaculture, Bodø, Norway.,Institute of Marine Research (IMR), Bergen, Norway
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38
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Guo L, Wei M, Li B, Yun Y, Li G, Sang N. The Role of Cyclooxygenases-2 in Benzo( a)pyrene-Induced Neurotoxicity of Cortical Neurons. Chem Res Toxicol 2020; 33:1364-1373. [PMID: 32115946 DOI: 10.1021/acs.chemrestox.9b00451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
With the help of particulate matter, benzo(a)pyrene (BaP) has become a widely distributed environmental contaminant. In addition to the well-known carcinogenicity, a growing number of studies have focused on the neurotoxicity of BaP, especially on adverse neurobehavioral effects. However, the molecular modulating mechanisms remain unclear. In this paper, we confirmed that BaP exposure produced a neuronal insult via its metabolite benzo(a)pyrene diol epoxide (BPDE) on the primary cultured cortical neuron in vitro and mice in vivo models, and the effects were largely achieved by activating cyclooxygenases-2 (COX-2) enhancement. Also, the action of BaP on elevating COX-2 was initiated by BPDE firmly binding to the active pockets of COX-2, then followed by the production of prostaglandin E2 (PGE2) and upregulation of its EP2 and EP4 receptors, finally stimulating the cyclic adenosine monophosphate/protein kinase A (cAMP/PKA) signaling pathway. Our results reveal a mechanistic association underlying BaP exposure and increased risk for neurological dysfunction and clarify the ways to prevent and treat brain injuries in polluted environments.
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Affiliation(s)
- Lin Guo
- College of Environment and Resource, Research Center of Environment and Health, Shanxi University, Taiyuan, Shanxi 030006, P.R. China
| | - Mengjiao Wei
- College of Environment and Resource, Research Center of Environment and Health, Shanxi University, Taiyuan, Shanxi 030006, P.R. China
| | - Ben Li
- College of Environment and Resource, Research Center of Environment and Health, Shanxi University, Taiyuan, Shanxi 030006, P.R. China
| | - Yang Yun
- College of Environment and Resource, Research Center of Environment and Health, Shanxi University, Taiyuan, Shanxi 030006, P.R. China
| | - Guangke Li
- College of Environment and Resource, Research Center of Environment and Health, Shanxi University, Taiyuan, Shanxi 030006, P.R. China
| | - Nan Sang
- College of Environment and Resource, Research Center of Environment and Health, Shanxi University, Taiyuan, Shanxi 030006, P.R. China
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Atkinson TJ, Fudin J. Nonsteroidal Antiinflammatory Drugs for Acute and Chronic Pain. Phys Med Rehabil Clin N Am 2020; 31:219-231. [PMID: 32279725 DOI: 10.1016/j.pmr.2020.01.002] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Understanding nonsteroidal antiinflammatory drug (NSAID) use and impact on common rheumatic and arthritic conditions is critical to reconciling their appropriate use with their potentially serious adverse effects. NSAIDs have a profound impact on the treatment of connective tissue disorders because of their ability to address the underlying cause with specific benefits of decreasing stiffness and inflammation, and improving mobility. NSAID use is twice as common as opioid use, and inappropriate use of NSAIDs is widespread. NSAID use should be monitored and the impact understood to mitigate the risks. NSAID discontinuation should be evidence based and individualized to specific requirements.
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Affiliation(s)
- Timothy J Atkinson
- Pain Management, PGY2 Pain Management & Palliative Care Pharmacy Residency, VA Tennessee Valley Healthcare System, 3400 Lebanon Pike, Murfreesboro, TN 37129, USA.
| | - Jeffrey Fudin
- Pain Management, PGY2 Pain Management & Palliative Care Pharmacy Residency, Albany Stratton VA Medical Center, 113 Holland Avenue, Albany, NY 12208, USA; Albany College of Pharmacy and Health Sciences, Albany, NY, USA; Remitigate LLC, Delmar, NY, USA
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40
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The positive effect of selective prostaglandin E2 receptor EP2 and EP4 blockade on cystogenesis in vitro is counteracted by increased kidney inflammation in vivo. Kidney Int 2020; 98:404-419. [PMID: 32622526 DOI: 10.1016/j.kint.2020.02.012] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Revised: 01/16/2020] [Accepted: 02/07/2020] [Indexed: 01/15/2023]
Abstract
Autosomal Dominant Polycystic Kidney Disease (ADPKD) is a major cause of end-stage kidney disease in man. The central role of cyclic adenosine monophosphate (cAMP) in ADPKD pathogenesis has been confirmed by numerous studies including positive clinical trial data. Here, we investigated the potential role of another major regulator of renal cAMP, prostaglandin E2 (PGE2), in modifying disease progression in ADPKD models using selective receptor modulators to all four PGE2 receptor subtypes (EP1-4). In 3D-culture model systems utilizing dog (MDCK) and patient-derived (UCL93, OX161-C1) kidney cell lines, PGE2 strikingly promoted cystogenesis and inhibited tubulogenesis by stimulating proliferation while reducing apoptosis. The effect of PGE2 on tubulogenesis and cystogenesis in 3D-culture was mimicked or abolished by selective EP2 and EP4 agonists or antagonists but not those specific to EP1 or EP3. In a Pkd1 mouse model (Pkd1nl/nl), kidney PGE2 and COX-2 expression were increased by two-fold at the peak of disease (week four). However, Pkd1nl/nl mice treated with selective EP2 (PF-04418948) or EP4 (ONO-AE3-208) antagonists from birth for three weeks had more severe cystic disease and fibrosis associated with increased cell proliferation and macrophage infiltration. A similar effect was observed for the EP4 antagonist ONO-AE3-208 in a second Pkd1 model (Pax8rtTA-TetO-Cre-Pkd1f/f). Thus, despite the positive effects of slowing cyst growth in vitro, the more complex effects of inhibiting EP2 or EP4 in vivo resulted in a worse outcome, possibly related to unexpected pro-inflammatory effects.
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41
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A 24 hour naproxen dose on gastrointestinal distress and performance during cycling in the heat. SPORTS MEDICINE AND HEALTH SCIENCE 2020; 2:19-24. [PMID: 35783332 PMCID: PMC9219290 DOI: 10.1016/j.smhs.2020.02.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Accepted: 02/17/2020] [Indexed: 01/14/2023] Open
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Hitzerd E, Broekhuizen M, Neuman RI, Colafella KMM, Merkus D, Schoenmakers S, Simons SHP, Reiss IKM, Danser AHJ. Human Placental Vascular Reactivity in Health and Disease: Implications for the Treatment of Pre-eclampsia. Curr Pharm Des 2020; 25:505-527. [PMID: 30950346 DOI: 10.2174/1381612825666190405145228] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Accepted: 03/29/2019] [Indexed: 12/17/2022]
Abstract
Adequate development of the placenta is essential for optimal pregnancy outcome. Pre-eclampsia (PE) is increasingly recognized to be a consequence of placental dysfunction and can cause serious maternal and fetal complications during pregnancy. Furthermore, PE increases the risk of neonatal problems and has been shown to be a risk factor for cardiovascular disease of the mother later in life. Currently, there is no adequate treatment for PE, mainly because its multifactorial pathophysiology remains incompletely understood. It originates in early pregnancy with abnormal placentation and involves a cascade of dysregulated systems in the placental vasculature. To investigate therapeutic strategies it is essential to understand the regulation of vascular reactivity and remodeling of blood vessels in the placenta. Techniques using human tissue such as the ex vivo placental perfusion model provide insight in the vasoactive profile of the placenta, and are essential to study the effects of drugs on the fetal vasculature. This approach highlights the different pathways that are involved in the vascular regulation of the human placenta, changes that occur during PE and the importance of focusing on restoring these dysfunctional systems when studying treatment strategies for PE.
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Affiliation(s)
- Emilie Hitzerd
- Department of Pediatrics, Division of Neonatology, Erasmus MC University Medical Center, Rotterdam, Netherlands.,Department of Internal Medicine; Division of Pharmacology and Vascular Medicine, Erasmus MC University Medical Center, Rotterdam, Netherlands
| | - Michelle Broekhuizen
- Department of Pediatrics, Division of Neonatology, Erasmus MC University Medical Center, Rotterdam, Netherlands.,Department of Internal Medicine; Division of Pharmacology and Vascular Medicine, Erasmus MC University Medical Center, Rotterdam, Netherlands.,Department of Cardiology; Division of Experimental Cardiology, Erasmus MC University Medical Center, Rotterdam, Netherlands
| | - Rugina I Neuman
- Department of Internal Medicine; Division of Pharmacology and Vascular Medicine, Erasmus MC University Medical Center, Rotterdam, Netherlands.,Department of Gynecology and Obstetrics, Erasmus MC University Medical Center, Rotterdam, Netherlands
| | - Katrina M Mirabito Colafella
- Department of Internal Medicine; Division of Pharmacology and Vascular Medicine, Erasmus MC University Medical Center, Rotterdam, Netherlands.,Cardiovascular Program, Monash Biomedicine Discovery Institute, Monash University, Melbourne, Australia.,Department of Physiology, Monash University, Melbourne, Australia
| | - Daphne Merkus
- Department of Cardiology; Division of Experimental Cardiology, Erasmus MC University Medical Center, Rotterdam, Netherlands
| | - Sam Schoenmakers
- Department of Gynecology and Obstetrics, Erasmus MC University Medical Center, Rotterdam, Netherlands
| | - Sinno H P Simons
- Department of Pediatrics, Division of Neonatology, Erasmus MC University Medical Center, Rotterdam, Netherlands
| | - Irwin K M Reiss
- Department of Pediatrics, Division of Neonatology, Erasmus MC University Medical Center, Rotterdam, Netherlands
| | - A H Jan Danser
- Department of Internal Medicine; Division of Pharmacology and Vascular Medicine, Erasmus MC University Medical Center, Rotterdam, Netherlands
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Neuroprotective effect of organic and inorganically grown tea on oxidative damage in rat model of Alzheimer’s disease. ADVANCES IN TRADITIONAL MEDICINE 2020. [DOI: 10.1007/s13596-020-00428-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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44
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Chen SY, Chu CC, Chyau CC, Yang JW, Duh PD. Djulis (Chenopodium formosanum) and its bioactive compounds affect vasodilation, angiotensin converting enzyme activity, and hypertension. FOOD BIOSCI 2019. [DOI: 10.1016/j.fbio.2019.100469] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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Crotalus durissus ruruima Snake Venom and a Phospholipase A 2 Isolated from This Venom Elicit Macrophages to Form Lipid Droplets and Synthesize Inflammatory Lipid Mediators. J Immunol Res 2019; 2019:2745286. [PMID: 31781674 PMCID: PMC6875421 DOI: 10.1155/2019/2745286] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Revised: 05/13/2019] [Accepted: 09/03/2019] [Indexed: 12/15/2022] Open
Abstract
Viper snake Crotalus durissus ruruima (Cdr) is a subspecies found in northern area of Brazil. Among the snakes of Crotalus genus subspecies, the venom of Cdr presents highest level of crotoxin, which is the major component of Crotalus snake venoms, formed by two subunits (crotapotin and a phospholipase A2 named CBr) and presents potent neurotoxic activity. Curiously, the venom of C. d. ruruima (CdrV) is better neutralized by antibothropic than by anticrotalic serum, strongly suggesting that this venom has similarities with venom of Bothrops genus snakes with regard to the ability to induce inflammation. Macrophages are cells with a central role in inflammatory and immunological responses. Upon inflammatory stimuli, these cells exhibit increased numbers of lipid droplets, which are key organelles in the synthesis and release of inflammatory mediators. However, the effects of CdrV and CBr in macrophage functions are unknown. We herein investigated the ability of CdrV and CBr to activate macrophages with focus on the formation of lipid droplets (LDs), synthesis of lipid mediators, and mechanisms involved in these effects. The involvement of LDs in PGE2 biosynthesis was also assessed. Stimulation of murine macrophages with CdrV and CBr induced an increased number of LDs and release of prostanoids (PGE2, PGD2, and TXB2). Neither CdrV nor CBr induced the expression of COX-1 and COX-2 by macrophages. LDs induced by both CdrV and CBr are associated to PLIN2 recruitment and expression and were shown to be dependent on COX-1, but not COX-2 activity. Moreover, PGE2 colocalized to CdrV- and CBr-induced LDs, revealing the role of these organelles as sites for the synthesis of prostanoids. These results evidence, for the first time, the ability of a whole snake venom to induce formation of LDs and the potential role of these organelles for the production of inflammatory mediators during envenomation by Crotalus snakes.
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Chen YY, Shen J, Tang YP, Yu JG, Wang J, Yue SJ, Yang J, Chen JQ, Feng LM, Zhu ZH, Tao WW, Zhang L, Duan JA. Elucidating the interaction of kansui and licorice by comparative plasma/tissue metabolomics and a heatmap with relative fold change. J Pharm Anal 2019; 9:312-323. [PMID: 31929940 PMCID: PMC6951493 DOI: 10.1016/j.jpha.2019.05.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 04/13/2019] [Accepted: 05/29/2019] [Indexed: 11/25/2022] Open
Abstract
Although compatibility is highly advocated in traditional Chinese medicine (TCM), inappropriate combination of some herbs may reduce the therapeutic action and even produce toxic effects. Kansui and licorice, one of TCM "Eighteen Incompatible Medicaments", are the most representative cases of improper herbal combination, which may still be applied simultaneously under given conditions. However, the potential mechanism of their compatibility and incompatibility is unclear. In the present study, two different ratios of kansui and licorice, representing their compatibility and incompatibility respectively, were designed to elucidate their interaction by comparative plasma/tissue metabolomics and a heatmap with relative fold change. As a result, glycocholic acid, prostaglandin F2a, dihydroceramide and sphinganine were screened out as the principal alternative biomarkers of compatibility group; sphinganine, dihydroceramide, arachidonic acid, leukotriene B4, acetoacetic acid and linoleic acid were those of incompatibility group. Based on the values of biomarkers in each tissue, the liver was identified as the compatible target organ, while the heart, liver, and kidney were the incompatible target organs. Furthermore, important pathways for compatibility and incompatibility were also constructed. These results help us to better understand and utilize the two herbs, and the study was the first to reveal some innate characters of herbs related to TCM "Eighteen Incompatible Medicaments".
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Affiliation(s)
- Yan-Yan Chen
- Key Laboratory of Shaanxi Administration of Traditional Chinese Medicine for TCM Compatibility, State Key Laboratory of Research & Development of Characteristic Qin Medicine Resources (Cultivation), Shaanxi Key Laboratory of Chinese Medicine Fundamentals and New Drugs Research, and Shaanxi Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Shaanxi University of Chinese Medicine, Xi’an 712046, Shaanxi Province, China
| | - Juan Shen
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, and Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu Province, China
| | - Yu-Ping Tang
- Key Laboratory of Shaanxi Administration of Traditional Chinese Medicine for TCM Compatibility, State Key Laboratory of Research & Development of Characteristic Qin Medicine Resources (Cultivation), Shaanxi Key Laboratory of Chinese Medicine Fundamentals and New Drugs Research, and Shaanxi Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Shaanxi University of Chinese Medicine, Xi’an 712046, Shaanxi Province, China
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, and Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu Province, China
| | - Jin-Gao Yu
- Key Laboratory of Shaanxi Administration of Traditional Chinese Medicine for TCM Compatibility, State Key Laboratory of Research & Development of Characteristic Qin Medicine Resources (Cultivation), Shaanxi Key Laboratory of Chinese Medicine Fundamentals and New Drugs Research, and Shaanxi Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Shaanxi University of Chinese Medicine, Xi’an 712046, Shaanxi Province, China
| | - Jing Wang
- Key Laboratory of Shaanxi Administration of Traditional Chinese Medicine for TCM Compatibility, State Key Laboratory of Research & Development of Characteristic Qin Medicine Resources (Cultivation), Shaanxi Key Laboratory of Chinese Medicine Fundamentals and New Drugs Research, and Shaanxi Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Shaanxi University of Chinese Medicine, Xi’an 712046, Shaanxi Province, China
| | - Shi-Jun Yue
- Key Laboratory of Shaanxi Administration of Traditional Chinese Medicine for TCM Compatibility, State Key Laboratory of Research & Development of Characteristic Qin Medicine Resources (Cultivation), Shaanxi Key Laboratory of Chinese Medicine Fundamentals and New Drugs Research, and Shaanxi Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Shaanxi University of Chinese Medicine, Xi’an 712046, Shaanxi Province, China
| | - Jie Yang
- Key Laboratory of Shaanxi Administration of Traditional Chinese Medicine for TCM Compatibility, State Key Laboratory of Research & Development of Characteristic Qin Medicine Resources (Cultivation), Shaanxi Key Laboratory of Chinese Medicine Fundamentals and New Drugs Research, and Shaanxi Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Shaanxi University of Chinese Medicine, Xi’an 712046, Shaanxi Province, China
| | - Jia-Qian Chen
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, and Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu Province, China
| | - Li-Mei Feng
- Key Laboratory of Shaanxi Administration of Traditional Chinese Medicine for TCM Compatibility, State Key Laboratory of Research & Development of Characteristic Qin Medicine Resources (Cultivation), Shaanxi Key Laboratory of Chinese Medicine Fundamentals and New Drugs Research, and Shaanxi Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Shaanxi University of Chinese Medicine, Xi’an 712046, Shaanxi Province, China
| | - Zhen-Hua Zhu
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, and Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu Province, China
| | - Wei-Wei Tao
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, and Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu Province, China
| | - Li Zhang
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, and Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu Province, China
| | - Jin-Ao Duan
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, and Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu Province, China
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Hill EM, Esper RM, Sen A, Simon BR, Aslam MN, Jiang Y, Dame MK, McClintock SD, Colacino JA, Djuric Z, Wicha MS, Smith WL, Brenner DE. Dietary polyunsaturated fatty acids modulate adipose secretome and is associated with changes in mammary epithelial stem cell self-renewal. J Nutr Biochem 2019; 71:45-53. [PMID: 31272031 PMCID: PMC6917480 DOI: 10.1016/j.jnutbio.2019.05.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Revised: 05/09/2019] [Accepted: 05/10/2019] [Indexed: 02/07/2023]
Abstract
Chronic low-grade adipose inflammation, characterized by aberrant adipokine production and pro-inflammatory macrophage activation/polarization is associated with increased risk of breast cancer. Adipocyte fatty acid composition is influenced by dietary availability and may regulate adipokine secretion and adipose inflammation. After feeding F344 rats for 20 weeks with a Western diet or a fish oil-supplemented diet, we cultured primary rat adipose tissue in a three-dimensional explant culture and collected the conditioned medium. The rat adipose tissue secretome was assayed using the Proteome Profiler Cytokine XL Array, and adipose tissue macrophage polarization (M1/M2 ratio) was assessed using the iNOS/ARG1 ratio. We then assessed the adipokine's effects upon stem cell self-renewal using primary human mammospheres from normal breast mammoplasty tissue. Adipose from rats fed the fish oil diet had an ω-3:ω-6 fatty acid ratio of 0.28 compared to 0.04 in Western diet rats. The adipokine profile from the fish oil-fed rats was shifted toward adipokines associated with reduced inflammation compared to the rats fed the Western diet. The M1/M2 macrophage ratio decreased by 50% in adipose of fish oil-fed rats compared to that from rats fed the Western diet. Conditioned media from rats fed the high ω-6 Western diet increased stem cell self-renewal by 62%±9% (X¯%±SD) above baseline compared to only an 11%±11% increase with the fish oil rat adipose. Modulating the adipokine secretome with dietary interventions therefore may alter stromal-epithelial signaling that plays a role in controlling mammary stem cell self-renewal.
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Affiliation(s)
- Evan M Hill
- Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI, USA; Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - Raymond M Esper
- Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Ananda Sen
- Department of Family Medicine, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Becky R Simon
- Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Muhammad N Aslam
- Department of Pathology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Yan Jiang
- MD Anderson Cancer Center, Houston, TX, USA
| | - Michael K Dame
- Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Shannon D McClintock
- Department of Pathology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Justin A Colacino
- Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - Zora Djuric
- Department of Family Medicine, University of Michigan Medical School, Ann Arbor, MI, USA; Nutritional Sciences, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - Max S Wicha
- Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI, USA
| | - William L Smith
- Department of Biological Chemistry, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Dean E Brenner
- Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI, USA; Department of Pharmacology, University of Michigan Medical School, Ann Arbor, MI, USA.
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Zanoni M, Cortesi M, Zamagni A, Tesei A. The Role of Mesenchymal Stem Cells in Radiation-Induced Lung Fibrosis. Int J Mol Sci 2019; 20:E3876. [PMID: 31398940 PMCID: PMC6719901 DOI: 10.3390/ijms20163876] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Accepted: 08/05/2019] [Indexed: 02/06/2023] Open
Abstract
Radiation therapy is one of the most important treatment modalities for thoracic tumors. Despite significant advances in radiation techniques, radiation-induced lung injury (RILI) still occurs in up to 30% of patients undergoing thoracic radiotherapy, and therefore remains the main dose-limiting obstacle. RILI is a potentially lethal clinical complication of radiotherapy that has 2 main stages: an acute stage defined as radiation pneumonitis, and a late stage defined as radiation-induced lung fibrosis. Patients who develop lung fibrosis have a reduced quality of life with progressive and irreversible organ malfunction. Currently, the most effective intervention for the treatment of lung fibrosis is lung transplantation, but the lack of available lungs and transplantation-related complications severely limits the success of this procedure. Over the last few decades, advances have been reported in the use of mesenchymal stem cells (MSCs) for lung tissue repair and regeneration. MSCs not only replace damaged lung epithelial cells but also promote tissue repair through the secretion of anti-inflammatory and anti-fibrotic factors. Here, we present an overview of MSC-based therapy for radiation-induced lung fibrosis, focusing in particular on the molecular mechanisms involved and describing the most recent preclinical and clinical studies carried out in the field.
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Affiliation(s)
- Michele Zanoni
- Bioscience Laboratory, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, 47014 Meldola, Italy.
| | - Michela Cortesi
- Bioscience Laboratory, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, 47014 Meldola, Italy
| | - Alice Zamagni
- Bioscience Laboratory, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, 47014 Meldola, Italy
| | - Anna Tesei
- Bioscience Laboratory, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, 47014 Meldola, Italy.
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Esbona K, Yi Y, Saha S, Yu M, Van Doorn RR, Conklin MW, Graham DS, Wisinski KB, Ponik SM, Eliceiri KW, Wilke LG, Keely PJ. The Presence of Cyclooxygenase 2, Tumor-Associated Macrophages, and Collagen Alignment as Prognostic Markers for Invasive Breast Carcinoma Patients. THE AMERICAN JOURNAL OF PATHOLOGY 2019; 188:559-573. [PMID: 29429545 DOI: 10.1016/j.ajpath.2017.10.025] [Citation(s) in RCA: 71] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Revised: 10/20/2017] [Accepted: 10/30/2017] [Indexed: 02/08/2023]
Abstract
Inflammation, and the organization of collagen in the breast tumor microenvironment, is an important mediator of breast tumor progression. However, a direct link between markers of inflammation, collagen organization, and patient outcome has yet to be established. A tumor microarray of 371 invasive breast carcinoma biopsy specimens was analyzed for expression of inflammatory markers, including cyclooxygenase 2 (COX-2), macrophages, and several collagen features in the tumor nest (TN) or the tumor-associated stroma (TS). The tumor microarray cohort included females, aged 18 to 80 years, with a median follow-up of 8.4 years. High expression of COX-2 (TN), CD68 (TS), and CD163 (TN and TS) predicted worse patient overall survival (OS). This notion was strengthened by the finding from the multivariate analysis that high numbers of CD163+ macrophages in the TS is an independent prognostic factor. Overall collagen deposition was associated with high stromal expression of COX-2 and CD163; however, total collagen deposition was not a predictor for OS. Conversely, local collagen density, alignment and perpendicular alignment to the tumor boundary (tumor-associated collagen signature-3) were predictors of OS. These results suggest that in invasive carcinoma, the localization of inflammatory cells and aligned collagen orientation predict poor patient survival. Additional clinical studies may help validate whether therapy with selective COX-2 inhibitors alters expression of CD68 and CD163 inflammatory markers.
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Affiliation(s)
- Karla Esbona
- Department of Cell and Regenerative Biology, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, Wisconsin; Carbone Cancer Center, University of Wisconsin-Madison, Madison, Wisconsin.
| | - Yanyao Yi
- Department of Statistics, University of Wisconsin-Madison, Madison, Wisconsin; Department of Biostatistics and Medical Informatics, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, Wisconsin
| | - Sandeep Saha
- Department of Biostatistics and Medical Informatics, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, Wisconsin
| | - Menggang Yu
- Department of Biostatistics and Medical Informatics, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, Wisconsin
| | - Rachel R Van Doorn
- Department of Cell and Regenerative Biology, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, Wisconsin
| | - Matthew W Conklin
- Department of Cell and Regenerative Biology, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, Wisconsin; Carbone Cancer Center, University of Wisconsin-Madison, Madison, Wisconsin
| | - Douglas S Graham
- Department of Information Technology, University of Wisconsin-Madison, Madison, Wisconsin
| | - Kari B Wisinski
- Carbone Cancer Center, University of Wisconsin-Madison, Madison, Wisconsin
| | - Suzanne M Ponik
- Department of Cell and Regenerative Biology, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, Wisconsin; Carbone Cancer Center, University of Wisconsin-Madison, Madison, Wisconsin
| | - Kevin W Eliceiri
- Carbone Cancer Center, University of Wisconsin-Madison, Madison, Wisconsin; Laboratory for Optical and Computational Instrumentation, University of Wisconsin-Madison, Madison, Wisconsin
| | - Lee G Wilke
- Carbone Cancer Center, University of Wisconsin-Madison, Madison, Wisconsin; Department of Surgery, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, Wisconsin
| | - Patricia J Keely
- Department of Cell and Regenerative Biology, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, Wisconsin; Carbone Cancer Center, University of Wisconsin-Madison, Madison, Wisconsin
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Abstract
Bioactive lipids are essential components of human cells and tissues. As discussed in this review, the cancer lipidome is diverse and malleable, with the ability to promote or inhibit cancer pathogenesis. Targeting lipids within the tumor and surrounding microenvironment may be a novel therapeutic approach for treating cancer patients. Additionally, the emergence of a novel super-family of lipid mediators termed specialized pro-resolving mediators (SPMs) has revealed a new role for bioactive lipid mediators in the resolution of inflammation in cancer biology. The role of SPMs in cancer holds great promise in our understanding of cancer pathogenesis and can ultimately be used in future cancer diagnostics and therapy.
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Affiliation(s)
- Megan L Sulciner
- Center for Vascular Biology Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.
| | - Allison Gartung
- Center for Vascular Biology Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Molly M Gilligan
- Center for Vascular Biology Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Charles N Serhan
- Department of Anesthesiology, Center for Experimental Therapeutics and Reperfusion Injury, Perioperative and Pain Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Dipak Panigrahy
- Center for Vascular Biology Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
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