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Sim TM, Mak A, Tay SH. Insights into the role of neutrophils in neuropsychiatric systemic lupus erythematosus: Current understanding and future directions. Front Immunol 2022; 13:957303. [PMID: 36016935 PMCID: PMC9396336 DOI: 10.3389/fimmu.2022.957303] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 07/19/2022] [Indexed: 12/12/2022] Open
Abstract
Central nervous system (CNS) involvement of systemic lupus erythematosus (SLE), termed neuropsychiatric SLE (NPSLE), is a major and debilitating manifestation of the disease. While patients with SLE mostly complain of common neuropsychological symptoms such headache and mild mood disorders that may not even be technically attributed to SLE, many SLE patients present with life-threatening NPSLE syndromes such as cerebrovascular disease, seizures and psychosis that are equally challenging in terms of early diagnosis and therapy. While we are just beginning to unravel some mysteries behind the immunologic basis of NPSLE, advancements in the mechanistic understanding of the complex pathogenic processes of NPSLE have been emerging through recent murine and human studies. The pathogenic pathways implicated in NPSLE are multifarious and various immune effectors such as cell-mediated inflammation, autoantibodies and cytokines including type I interferons have been found to act in concert with the disruption of the blood-brain barrier (BBB) and other neurovascular interfaces. Beyond antimicrobial functions, neutrophils are emerging as decision-shapers during innate and adaptive immune responses. Activated neutrophils have been recognized to be involved in ischemic and infective processes in the CNS by releasing neutrophil extracellular traps (NETs), matrix metalloproteinase-9 and proinflammatory cytokines. In the context of NPSLE, these mechanisms contribute to BBB disruption, neuroinflammation and externalization of modified proteins on NETs that serve as autoantigens. Neutrophils that sediment within the peripheral blood mononuclear cell fraction after density centrifugation of blood are generally defined as low-density neutrophils (LDNs) or low-density granulocytes. LDNs are a proinflammatory subset of neutrophils that are increased with SLE disease activity and are primed to undergo NETosis and release cytokines such as interferon-α and tumor necrosis factor. This review discusses the immunopathogenesis of NPSLE with a focus on neutrophils as a core mediator of the disease and potential target for translational research in NPSLE.
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Abstract
Li, J., Tong, D., Wang, Y., Liu, Y., Zhang, X., Liu, N., Wang, S., Xu, Y., Li, Y., Yin, X., Liu, W. and Shao, Y. (2021), Neutrophil extracellular traps enhance procoagulant activity in patients with essential hypertension. J Thromb Haemost. https://doi.org/10.1111/jth.15210 The above article, published online on 12 December 2020 on Wiley Online Library (wileyonlinelibrary.com), has been retracted by mutual agreement among the authors, the journal co- Editors-in-Chief, David Lillicrap, MD, FRCPC and James Morrissey, PhD, the International Society on Thrombosis and Haemostasis, and Wiley Periodicals LLC The retraction has been issued due to unattributed overlap between this article and the following article published in Thrombosis Research, "Neutrophil extracellular traps exacerbate coagulation and endothelial damage in patients with essential hypertension and hyperhomocysteinemia" by Li, J-H, Tong, D-X, Wang, Y, Gao, L, Liu, Y, Zhang, X-H, Chen, W-J, Chi, J-Y, Liu N, Yang, K, Wang, S-P, Xu, Y, Li, Y, Yin, X-H, Liu, W-X. Volume 197, 2021, pages 36-43. https://doi.org/10.1016/j.thromres.2020.10.028.
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Yuki K, Hou L, Shibamura-Fujiogi M, Koutsogiannaki S, Soriano SG. Mechanistic consideration of the effect of perioperative volatile anesthetics on phagocytes. Clin Immunol 2021; 222:108635. [PMID: 33217544 PMCID: PMC7856197 DOI: 10.1016/j.clim.2020.108635] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 11/12/2020] [Accepted: 11/14/2020] [Indexed: 02/06/2023]
Abstract
A growing literature has shown that volatile anesthetics are promiscuous molecules targeting multiple molecules, some of which are critical for immunological functions. We focused on studies that delineated target molecules of volatile anesthetics on immune cells and summarized the effects of volatile anesthetics on immune functions. We also presented the perspectives of studying volatile anesthetics-mediated immunomodulation.
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Affiliation(s)
- Koichi Yuki
- Department of Anesthesiology, Critical Care and Pain Medicine, Boston Children's Hospital, Boston, MA 02115, USA; Department of Anaesthesia, Harvard Medical School, Boston, MA 02115, USA; Department of Immunology, Harvard Medical School, Boston, MA 02115, USA.
| | - Lifei Hou
- Department of Anesthesiology, Critical Care and Pain Medicine, Boston Children's Hospital, Boston, MA 02115, USA; Department of Anaesthesia, Harvard Medical School, Boston, MA 02115, USA; Department of Immunology, Harvard Medical School, Boston, MA 02115, USA.
| | - Miho Shibamura-Fujiogi
- Department of Anesthesiology, Critical Care and Pain Medicine, Boston Children's Hospital, Boston, MA 02115, USA; Department of Anaesthesia, Harvard Medical School, Boston, MA 02115, USA; Department of Immunology, Harvard Medical School, Boston, MA 02115, USA.
| | - Sophia Koutsogiannaki
- Department of Anesthesiology, Critical Care and Pain Medicine, Boston Children's Hospital, Boston, MA 02115, USA; Department of Anaesthesia, Harvard Medical School, Boston, MA 02115, USA; Department of Immunology, Harvard Medical School, Boston, MA 02115, USA.
| | - Sulpicio G Soriano
- Department of Anesthesiology, Critical Care and Pain Medicine, Boston Children's Hospital, Boston, MA 02115, USA; Department of Anaesthesia, Harvard Medical School, Boston, MA 02115, USA.
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Djuric D, Jakovljevic V, Zivkovic V, Srejovic I. Homocysteine and homocysteine-related compounds: an overview of the roles in the pathology of the cardiovascular and nervous systems. Can J Physiol Pharmacol 2018; 96:991-1003. [PMID: 30130426 DOI: 10.1139/cjpp-2018-0112] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Homocysteine, an amino acid containing a sulfhydryl group, is an intermediate product during metabolism of the amino acids methionine and cysteine. Hyperhomocysteinemia is used as a predictive risk factor for cardiovascular disorders, the stroke progression, screening for inborn errors of methionine metabolism, and as a supplementary test for vitamin B12 deficiency. Two organic systems in which homocysteine has the most harmful effects are the cardiovascular and nervous system. The adverse effects of homocysteine are achieved by the action of several different mechanisms, such as overactivation of N-methyl-d-aspartate receptors, activation of Toll-like receptor 4, disturbance in Ca2+ handling, increased activity of nicotinamide adenine dinucleotide phosphate-oxidase and subsequent increase of production of reactive oxygen species, increased activity of nitric oxide synthase and nitric oxide synthase uncoupling and consequent impairment in nitric oxide and reactive oxygen species synthesis. Increased production of reactive species during hyperhomocysteinemia is related with increased expression of several proinflammatory cytokines, including IL-1β, IL-6, TNF-α, MCP-1, and intracellular adhesion molecule-1. All these mechanisms contribute to the emergence of diseases like atherosclerosis and related complications such as myocardial infarction, stroke, aortic aneurysm, as well as Alzheimer disease and epilepsy. This review provides evidence that supports the causal role for hyperhomocysteinemia in the development of cardiovascular disease and nervous system disorders.
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Affiliation(s)
- Dragan Djuric
- a Institute of Medical Physiology "Richard Burian" Faculty of Medicine, University of Belgrade, Visegradska 26, Belgrade 11000, Serbia
| | - Vladimir Jakovljevic
- b Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovica 69, Kragujevac 34000, Serbia.,c Department of Human Pathology, I.M. Sechenov First Moscow State Medical University (Sechenov University), Trubetskaya st. 8, Moscow 119991, Russia
| | - Vladimir Zivkovic
- b Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovica 69, Kragujevac 34000, Serbia
| | - Ivan Srejovic
- b Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovica 69, Kragujevac 34000, Serbia
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Li JT, Wang WQ, Wang L, Liu NN, Zhao YL, Zhu XS, Liu QQ, Gao CF, Yang AG, Jia LT. Subanesthetic isoflurane relieves zymosan-induced neutrophil inflammatory response by targeting NMDA glutamate receptor and Toll-like receptor 2 signaling. Oncotarget 2017; 7:31772-89. [PMID: 27144523 PMCID: PMC5077975 DOI: 10.18632/oncotarget.9091] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2015] [Accepted: 04/18/2016] [Indexed: 01/13/2023] Open
Abstract
Neutrophil release of NO/ONOO− induces endothelial cell barrier dysfunction in inflammatory acute lung injury (ALI). Previous studies using zymosan-triggered inflammation and ALI model revealed that zymosan promotes inducible NO synthase (iNOS) expression in neutrophils, and that isoflurane inhibits zymosan-induced oxidative stress and iNOS biosynthesis. However, the underlying mechanisms remain largely unknown. We found here that in zymosan-primed neutrophils, iNOS is transcriptionally activated by NF-κB, whose nuclear translocation is triggered by excessive reactive oxygen species (ROS) and consequently activated p38 MAPK. ROS production is attributed to zymosan-initiated Toll-like receptor 2 (TLR2) signaling, in which the adaptor MyD88 recruits and activates c-Src, and c-Src activates NADPH oxidase to generate ROS. Subanesthetic isoflurane counteracts the aforementioned zymosan-induced signaling by targeting N-methyl-D-aspartic acid (NMDA) glutamate receptor and thereby suppressing calcium influx and c-Src activation. Whereas iNOS accelerates NO/ONOO− production in neutrophils which eventually promote protein leak from pulmonary microvascular endothelial cells (PMVEC), isoflurane reduced NO/ONOO− release from zymosan-treated neutrophils, and thus relieves trans- PMVEC protein leak. This study provides novel insights into the roles of neutrophils and the underlying mechanisms in zymosan-induced ALI, and has implications for the therapeutic potential of subanesthetic isoflurane in attenuating inflammatory responses causing lung endothelial cell damage.
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Affiliation(s)
- Jun-Tang Li
- Centre of Inflammation and Cancer Research, 150th Central Hospital of PLA, Luoyang, Henan, China.,State Key Laboratory of Cancer Biology, Department of Immunology, Fourth Military Medical University, Xi'an, Shaanxi, China.,State Key Laboratory of Cancer Biology, Department of Biochemistry and Molecular Biology, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Wei-Qi Wang
- State Key Laboratory of Military Stomatology, Department of Oral and Maxillofacial Surgery, School of Stomatology, Fourth Military Medical University, Xi'an, Shaanxi, China
| | | | - Ning-Ning Liu
- Centre of Inflammation and Cancer Research, 150th Central Hospital of PLA, Luoyang, Henan, China
| | - Ya-Li Zhao
- Centre of Inflammation and Cancer Research, 150th Central Hospital of PLA, Luoyang, Henan, China
| | - Xiao-Shan Zhu
- Centre of Inflammation and Cancer Research, 150th Central Hospital of PLA, Luoyang, Henan, China
| | - Qin-Qin Liu
- Centre of Inflammation and Cancer Research, 150th Central Hospital of PLA, Luoyang, Henan, China
| | - Chun-Fang Gao
- Centre of Inflammation and Cancer Research, 150th Central Hospital of PLA, Luoyang, Henan, China
| | - An-Gang Yang
- State Key Laboratory of Cancer Biology, Department of Immunology, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Lin-Tao Jia
- State Key Laboratory of Cancer Biology, Department of Biochemistry and Molecular Biology, Fourth Military Medical University, Xi'an, Shaanxi, China
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Fu Y, Wang X, Kong W. Hyperhomocysteinaemia and vascular injury: advances in mechanisms and drug targets. Br J Pharmacol 2017; 175:1173-1189. [PMID: 28836260 DOI: 10.1111/bph.13988] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Revised: 07/27/2017] [Accepted: 08/12/2017] [Indexed: 12/14/2022] Open
Abstract
Homocysteine is a sulphur-containing non-proteinogenic amino acid. Hyperhomocysteinaemia (HHcy), the pathogenic elevation of plasma homocysteine as a result of an imbalance of its metabolism, is an independent risk factor for various vascular diseases, such as atherosclerosis, hypertension, vascular calcification and aneurysm. Treatments aimed at lowering plasma homocysteine via dietary supplementation with folic acids and vitamin B are more effective in preventing vascular disease where the population has a normally low folate consumption than in areas with higher dietary folate. To date, the mechanisms of HHcy-induced vascular injury are not fully understood. HHcy increases oxidative stress and its downstream signalling pathways, resulting in vascular inflammation. HHcy also causes vascular injury via endoplasmic reticulum stress. Moreover, HHcy up-regulates pathogenic genes and down-regulates protective genes via DNA demethylation and methylation respectively. Homocysteinylation of proteins induced by homocysteine also contributes to vascular injury by modulating intracellular redox state and altering protein function. Furthermore, HHcy-induced vascular injury leads to neuronal damage and disease. Also, an HHcy-activated sympathetic system and HHcy-injured adipose tissue also cause vascular injury, thus demonstrating the interactions between the organs injured by HHcy. Here, we have summarized the recent developments in the mechanisms of HHcy-induced vascular injury, which are further considered as potential therapeutic targets in this condition. LINKED ARTICLES This article is part of a themed section on Spotlight on Small Molecules in Cardiovascular Diseases. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v175.8/issuetoc.
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Affiliation(s)
- Yi Fu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University, Health Science Center, Beijing, China.,Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Beijing, China
| | - Xian Wang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University, Health Science Center, Beijing, China.,Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Beijing, China
| | - Wei Kong
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University, Health Science Center, Beijing, China.,Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Beijing, China
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Yuki K, Eckenhoff RG. Mechanisms of the Immunological Effects of Volatile Anesthetics: A Review. Anesth Analg 2017; 123:326-35. [PMID: 27308954 DOI: 10.1213/ane.0000000000001403] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Volatile anesthetics (VAs) have been in clinical use for a very long time. Their mechanism of action is yet to be fully delineated, but multiple ion channels have been reported as targets for VAs (canonical VA targets). It is increasingly recognized that VAs also manifest effects outside the central nervous system, including on immune cells. However, the literature related to how VAs affect the behavior of immune cells is very limited, but it is of interest that some canonical VA targets are reportedly expressed in immune cells. Here, we review the current literature and describe canonical VA targets expressed in leukocytes and their known roles. In addition, we introduce adhesion molecules called β2 integrins as noncanonical VA targets in leukocytes. Finally, we propose a model for how VAs affect the function of neutrophils, macrophages, and natural killer cells via concerted effects on multiple targets as examples.
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Affiliation(s)
- Koichi Yuki
- From the *Department of Anesthesiology, Perioperative and Pain Medicine, Cardiac Anesthesia Division, Boston Children's Hospital, Boston, Massachusetts; †Department of Anaesthesia, Harvard Medical School, Boston, Massachusetts; and ‡Department of Anesthesiology and Critical Care, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
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Joshi MB, Baipadithaya G, Balakrishnan A, Hegde M, Vohra M, Ahamed R, Nagri SK, Ramachandra L, Satyamoorthy K. Elevated homocysteine levels in type 2 diabetes induce constitutive neutrophil extracellular traps. Sci Rep 2016; 6:36362. [PMID: 27811985 PMCID: PMC5095649 DOI: 10.1038/srep36362] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2016] [Accepted: 10/13/2016] [Indexed: 12/26/2022] Open
Abstract
Constitutively active neutrophil extracellular traps (NETs) and elevated plasma homocysteine are independent risk factors for Type 2 Diabetes (T2D) associated vascular diseases. Here, we show robust NETosis due to elevated plasma homocysteine levels in T2D subjects and increased components of NETs such as neutrophil elastase and cell free DNA. Cooperative NETs formation was observed in neutrophils exposed to homocysteine, IL-6 and high glucose suggesting acute temporal changes tightly regulate constitutive NETosis. Homocysteine induced NETs by NADPH oxidase dependent and independent mechanisms. Constitutively higher levels of calcium and mitochondrial superoxides under hyperglycemic conditions were further elevated in response to homocysteine leading to accelerated NETosis. Homocysteine showed robust interaction between neutrophils and platelets by inducing platelet aggregation and NETosis in an interdependent manner. Our data demonstrates that homocysteine can alter innate immune function by promoting NETs formation and disturbs homeostasis between platelets and neutrophils which may lead to T2D associated vascular diseases.
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Affiliation(s)
| | | | | | - Mangala Hegde
- School of Life Sciences, Manipal University, Manipal, India
| | - Manik Vohra
- School of Life Sciences, Manipal University, Manipal, India
| | - Rayees Ahamed
- School of Life Sciences, Manipal University, Manipal, India
| | - Shivashankara K Nagri
- Department of Medicine, Kasturba Medical College, Manipal University, Manipal, India
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Mikael LG, Pancer J, Jiang X, Wu Q, Caudill M, Rozen R. Low dietary folate and methylenetetrahydrofolate reductase deficiency may lead to pregnancy complications through modulation of ApoAI and IFN-γ in spleen and placenta, and through reduction of methylation potential. Mol Nutr Food Res 2012; 57:661-70. [PMID: 23112124 DOI: 10.1002/mnfr.201200152] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2012] [Revised: 07/04/2012] [Accepted: 08/22/2012] [Indexed: 11/08/2022]
Abstract
SCOPE Genetic or nutritional disturbances in folate metabolism lead to hyperhomocysteinemia and adverse reproductive outcomes. Folate-dependent homocysteine remethylation is required for methylation reactions and may influence choline/betaine metabolism. Hyperhomocysteinemia has been suggested to play a role in inflammation. The goal of this study was to determine whether folate-related pregnancy complications could be due to altered expression of some inflammatory mediators or due to disturbances in methylation intermediates. METHODS AND RESULTS Pregnant mice with or without a deficiency of methylenetetrahydrofolate reductase (MTHFR) were fed control diets or folate-deficient (FD) diets; tissues were collected at embryonic day 14.5. FD decreased plasma phosphocholine and increased plasma glycerophosphocholine and lysophosphatidylcholine. Liver betaine, phosphocholine, and S-adenosylmethionine:S-adenosylhomocysteine ratios were reduced in FD. In liver, spleen, and placenta, the lowest levels of apolipoprotein AI (ApoAI) were observed in Mthfr(+/-) mice fed FD. Increased interferon-gamma (IFN-γ) was observed in spleen and placentae due to FD or Mthfr genotype. Plasma homocysteine correlated negatively with liver and spleen ApoAI, and positively with IFN-γ. CONCLUSION Low dietary folate or Mthfr deficiency during pregnancy may result in adverse pregnancy outcomes by altering expression of the inflammatory mediators ApoAI and IFN-γ in spleen and placenta. Disturbances in choline metabolism or methylation reactions may also play a role.
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Affiliation(s)
- Leonie G Mikael
- Department of Human Genetics, McGill University, Montreal Children's Hospital Research Institute, Montreal, QC, Canada
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Boldyrev AA. Carnosine: New concept for the function of an old molecule. BIOCHEMISTRY (MOSCOW) 2012; 77:313-26. [DOI: 10.1134/s0006297912040013] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Boldyrev AA, Bryushkova EA, Vladychenskaya EA. NMDA receptors in immune competent cells. BIOCHEMISTRY (MOSCOW) 2012; 77:128-34. [DOI: 10.1134/s0006297912020022] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Khavinson V, Ribakova Y, Kulebiakin K, Vladychenskaya E, Kozina L, Arutjunyan A, Boldyrev A. Pinealon Increases Cell Viability by Suppression of Free Radical Levels and Activating Proliferative Processes. Rejuvenation Res 2011; 14:535-41. [DOI: 10.1089/rej.2011.1172] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Affiliation(s)
- V. Khavinson
- Saint-Petersburg Institute of Bioregulation and Gerontology, St. Petersberg, Russian Federation
| | - Y. Ribakova
- Research Center of Neurology Russian Academy of Medical Sciences, St. Petersberg, Russian Federation
| | - K. Kulebiakin
- Department of Biochemistry, School of Biology, M.V. Lomonosov Moscow State University, Moscow, Russian Federation
| | - E. Vladychenskaya
- Department of Biochemistry, School of Biology, M.V. Lomonosov Moscow State University, Moscow, Russian Federation
| | - L. Kozina
- Saint-Petersburg Institute of Bioregulation and Gerontology, St. Petersberg, Russian Federation
| | - A. Arutjunyan
- Saint-Petersburg Institute of Bioregulation and Gerontology, St. Petersberg, Russian Federation
| | - A. Boldyrev
- Research Center of Neurology Russian Academy of Medical Sciences, St. Petersberg, Russian Federation
- Department of Biochemistry, School of Biology, M.V. Lomonosov Moscow State University, Moscow, Russian Federation
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