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Ettel P, Weichhart T. Not just sugar: metabolic control of neutrophil development and effector functions. J Leukoc Biol 2024; 116:487-510. [PMID: 38450755 DOI: 10.1093/jleuko/qiae057] [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: 11/30/2023] [Revised: 02/20/2024] [Accepted: 02/21/2024] [Indexed: 03/08/2024] Open
Abstract
The mammalian immune system is constantly surveying our tissues to clear pathogens and maintain tissue homeostasis. In order to fulfill these tasks, immune cells take up nutrients to supply energy for survival and for directly regulating effector functions via their cellular metabolism, a process now known as immunometabolism. Neutrophilic granulocytes, the most abundant leukocytes in the human body, have a short half-life and are permanently needed in the defense against pathogens. According to a long-standing view, neutrophils were thought to primarily fuel their metabolic demands via glycolysis. Yet, this view has been challenged, as other metabolic pathways recently emerged to contribute to neutrophil homeostasis and effector functions. In particular during neutrophilic development, the pentose phosphate pathway, glycogen synthesis, oxidative phosphorylation, and fatty acid oxidation crucially promote neutrophil maturation. At steady state, both glucose and lipid metabolism sustain neutrophil survival and maintain the intracellular redox balance. This review aims to comprehensively discuss how neutrophilic metabolism adapts during development, which metabolic pathways fuel their functionality, and how these processes are reconfigured in case of various diseases. We provide several examples of hereditary diseases, in which mutations in metabolic enzymes validate their critical role for neutrophil function.
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Affiliation(s)
- Paul Ettel
- Institute for Medical Genetics, Center for Pathobiochemistry and Genetics, Medical University of Vienna, Währinger Straße 10, 1090 Vienna, Austria
| | - Thomas Weichhart
- Institute for Medical Genetics, Center for Pathobiochemistry and Genetics, Medical University of Vienna, Währinger Straße 10, 1090 Vienna, Austria
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2
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Hegde M, Girisa S, Devanarayanan TN, Alqahtani MS, Abbas M, Sethi G, Kunnumakkara AB. Network of Extracellular Traps in the Pathogenesis of Sterile Chronic Inflammatory Diseases: Role of Oxidative Stress and Potential Clinical Applications. Antioxid Redox Signal 2024; 41:396-427. [PMID: 37725535 DOI: 10.1089/ars.2023.0329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/21/2023]
Affiliation(s)
- Mangala Hegde
- Cancer Biology Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, India
| | - Sosmitha Girisa
- Cancer Biology Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, India
| | - Thulasidharan Nair Devanarayanan
- Cancer Biology Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, India
| | - Mohammed S Alqahtani
- Radiological Sciences Department, College of Applied Medical Sciences, King Khalid University, Abha, Saudi Arabia
- BioImaging Unit, Space Research Centre, Michael Atiyah Building, University of Leicester, Leicester, United Kingdom
| | - Mohamed Abbas
- Electrical Engineering Department, College of Engineering, King Khalid University, Abha, Saudi Arabia
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Ajaikumar B Kunnumakkara
- Cancer Biology Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, India
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3
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Ding T, Wen B, Chen J, Chu W, Fan R, Chen X. Excess homocysteine inhibits pancreatic β-cell secretory function by repressing Zbtb20 expression. Mol Cell Endocrinol 2024; 586:112195. [PMID: 38432501 DOI: 10.1016/j.mce.2024.112195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 02/22/2024] [Accepted: 02/25/2024] [Indexed: 03/05/2024]
Abstract
Homocysteine (Hcy) is a sulfur-containing amino acid. An elevated level of Hcy is a risk factor for diabetes development. However, the mechanism of its effect on pancreatic β-cell function is unclear. In this study, we constructed a hyperhomocysteinemia (HHcy) mouse model by feeding mice a high methionine diet (HMD). The mice suffered impaired glucose tolerance and reduced insulin secretion. Furthermore, at the cellular level, INS1 cells exhibited impaired insulin secretory function after the Hcy intervention. Transcriptomics revealed that Zbtb20 expression was downregulated and the downstream gene Fbp1 was upregulated in HHcy-induced mice compared with mice fed with normal diet. Insulin secretion could be restored by Zbtb20 overexpression or fructose 1,6-bisphosphatase (FBPase) activity inhibition in INS1 cells. In conclusion, our study suggested that Hcy inhibited the insulin secretory function of pancreatic β-cells by suppressing Zbtb20 expression, leading to the development of diabetes. Zbtb20 may be a key target in the development of diabetes associated with elevated Hcy levels.
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Affiliation(s)
- Tianqi Ding
- Tianjin Institute of Environmental and Operational Medicine, Tianjin, 300050, China
| | - Bo Wen
- Tianjin Institute of Environmental and Operational Medicine, Tianjin, 300050, China
| | - Jian Chen
- Tianjin Institute of Environmental and Operational Medicine, Tianjin, 300050, China
| | - Wenbin Chu
- Tianjin Institute of Environmental and Operational Medicine, Tianjin, 300050, China
| | - Rong Fan
- Tianjin Institute of Environmental and Operational Medicine, Tianjin, 300050, China; Central Laboratory, Tianjin Xiqing Hospital, Tianjin, 300380, China.
| | - Xuewei Chen
- Tianjin Institute of Environmental and Operational Medicine, Tianjin, 300050, China.
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Thimmappa PY, Nair AS, D'silva S, Aravind A, Mallya S, Soman SP, Guruprasad KP, Shastry S, Raju R, Prasad TSK, Joshi MB. Neutrophils display distinct post-translational modifications in response to varied pathological stimuli. Int Immunopharmacol 2024; 132:111950. [PMID: 38579564 DOI: 10.1016/j.intimp.2024.111950] [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: 01/15/2024] [Revised: 03/08/2024] [Accepted: 03/26/2024] [Indexed: 04/07/2024]
Abstract
Neutrophils play a vital role in the innate immunity by perform effector functions through phagocytosis, degranulation, and forming extracellular traps. However, over-functioning of neutrophils has been associated with sterile inflammation such as Type 2 Diabetes, atherosclerosis, cancer and autoimmune disorders. Neutrophils exhibiting phenotypical and functional heterogeneity in both homeostatic and pathological conditions suggests distinct signaling pathways are activated in disease-specific stimuli and alter neutrophil functions. Hence, we examined mass spectrometry based post-translational modifications (PTM) of neutrophil proteins in response to pathologically significant stimuli, including high glucose, homocysteine and bacterial lipopolysaccharides representing diabetes-indicator, an activator of thrombosis and pathogen-associated molecule, respectively. Our data revealed that these aforesaid stimulators differentially deamidate, citrullinate, acetylate and methylate neutrophil proteins and align to distinct biological functions associated with degranulation, platelet activation, innate immune responses and metabolic alterations. The PTM patterns in response to high glucose showed an association with neutrophils extracellular traps (NETs) formation, homocysteine induced proteins PTM associated with signaling of systemic lupus erythematosus and lipopolysaccharides induced PTMs were involved in pathways related to cardiomyopathies. Our study provides novel insights into neutrophil PTM patterns and functions in response to varied pathological stimuli, which may serve as a resource to design therapeutic strategies for the management of neutrophil-centred diseases.
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Affiliation(s)
- Pooja Yedehalli Thimmappa
- Department of Ageing Research, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal 576104, India
| | - Aswathy S Nair
- Department of Ageing Research, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal 576104, India
| | - Sian D'silva
- Department of Ageing Research, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal 576104, India
| | - Anjana Aravind
- Center for Systems Biology and Molecular Medicine, Yenepoya Research Centre, Yenepoya (Deemed to be University), Mangalore 575018, India
| | - Sandeep Mallya
- Department of Bioinformatics, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal 576104, India
| | - Sreelakshmi Pathappillil Soman
- Center for Systems Biology and Molecular Medicine, Yenepoya Research Centre, Yenepoya (Deemed to be University), Mangalore 575018, India
| | - Kanive Parashiva Guruprasad
- Department of Ageing Research, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal 576104, India
| | - Shamee Shastry
- Department of Immunohematology and Blood Transfusion, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | - Rajesh Raju
- Center for Systems Biology and Molecular Medicine, Yenepoya Research Centre, Yenepoya (Deemed to be University), Mangalore 575018, India
| | | | - Manjunath B Joshi
- Department of Ageing Research, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal 576104, India.
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Liu X, Li X, Xiong S, Zhang H, Suo R, Zhang X, Liu D, Fu H, Liu T, Li G. Neutrophil Extracellular Traps: Potential Prothrombotic State Markers and Therapeutic Targets for Atrial Fibrillation. Thromb Haemost 2024; 124:441-454. [PMID: 37734390 DOI: 10.1055/s-0043-1774310] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/23/2023]
Abstract
BACKGROUND Recently, the mechanism of thrombogenesis has taken a new direction with the involvement of neutrophil extracellular traps (NETs). However, little is known about the relationship between NETs and thrombogenesis in atrial fibrillation (AF). OBJECTIVE Our study aimed to evaluate NETs in AF patients and their potential association with thrombogenesis. In addition, we studied the effect of NETs on thrombogenesis in rat models. METHODS A total of 125 AF patients and 172 controls were studied. Spontaneous echo contrast (SEC) was examined using transesophageal echocardiography to assess the prothrombotic state. We used rapid atrial pacing (RAP) rat models to study NETs' formation and their effects on thrombogenesis. The levels of NETs were analyzed by flow cytometry. To deeply understand the regulatory mechanism of NET formation, the transcriptional characteristics of the left atrial appendage (LAA) tissue from RAP rats were analyzed. RESULTS We found that NETs were increased significantly in AF patients and positively correlated with SEC grades. And inserting the NET level could significantly enhance the predictivity of CHA2DS2-VASc scores for the AF prothrombotic state. In the RAP models, we observed that NET levels increased significantly in the LAA and promoted thrombosis. Meanwhile, we found that these changes could be suppressed by the NET formation inhibitor. Transcriptomic analysis of the LAA tissue from RAP rats suggested that RAP might stimulate the NET formation by promoting the expression of inflammatory cytokine and adhesion genes. CONCLUSION NETs may constitute useful thrombogenesis risk markers in AF patients and provide a potential therapeutic strategy for AF management.
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Affiliation(s)
- Xing Liu
- Department of Cardiology, Tianjin key laboratory of Ionic-Molecular Function of Cardiovascular Disease, Tianjin Institute of Cardiology, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Xinjian Li
- Department of Cardiology, Tianjin key laboratory of Ionic-Molecular Function of Cardiovascular Disease, Tianjin Institute of Cardiology, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Shenglin Xiong
- Department of Cardiology, You Country People's Hospital, Zhuzhou, Hunan, China
| | - Haipeng Zhang
- Department of Clinical Laboratory, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Rong Suo
- Department of Cardiology, Tianjin Hospital, Tianjin, China
| | - Xu Zhang
- Department of Cardiology, Tianjin key laboratory of Ionic-Molecular Function of Cardiovascular Disease, Tianjin Institute of Cardiology, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Daiqi Liu
- Department of Cardiology, Tianjin key laboratory of Ionic-Molecular Function of Cardiovascular Disease, Tianjin Institute of Cardiology, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Huaying Fu
- Department of Cardiology, Tianjin key laboratory of Ionic-Molecular Function of Cardiovascular Disease, Tianjin Institute of Cardiology, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Tong Liu
- Department of Cardiology, Tianjin key laboratory of Ionic-Molecular Function of Cardiovascular Disease, Tianjin Institute of Cardiology, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Guangping Li
- Department of Cardiology, Tianjin key laboratory of Ionic-Molecular Function of Cardiovascular Disease, Tianjin Institute of Cardiology, The Second Hospital of Tianjin Medical University, Tianjin, China
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Yasuda H, Uno A, Tanaka Y, Koda S, Saito M, Sato EF, Matsumoto K, Kato S. Neutrophil extracellular trap induction through peptidylarginine deiminase 4 activity is involved in 2,4,6-trinitrobenzenesulfonic acid-induced colitis. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024; 397:3127-3140. [PMID: 37878044 DOI: 10.1007/s00210-023-02800-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 10/16/2023] [Indexed: 10/26/2023]
Abstract
Neutrophil extracellular traps (NETs) are induced in the innate immune response against infectious agents and are also implicated in the pathogenesis of various cancers and autoimmune diseases. Peptidylarginine deiminase 4 (PAD4), an enzyme that converts arginine to citrulline, is also involved in NET formation. In this study, we investigated the pathogenic effect of PAD4 on NETs in inflammatory bowel disease using a trinitrobenzene sulfonic acid (TNBS)-induced murine colitis model. PAD4-deficient (PAD4KO) mice were generated by CRISPR-Cas9-mediated genomic editing. NETs were triggered in peritoneal neutrophils obtained from wild-type mice by A23187 (a calcium ionophore), but these responses were completely abolished in the PAD4KO mice. Experimental colitis was induced in wild-type and PAD4KO mice via an intrarectal injection of TNBS. TNBS injection resulted in body weight loss, extensive colonic erosion, and ulceration in wildtype mice. However, these responses were significantly attenuated following the administration of Cl-amidine (an inhibitor of pan-PADs) and DNase I (an inhibitor of NET formation), in combination with PAD4KO in mice. TNBS-induced increases in myeloperoxidase activity, inflammatory cytokine expression, and NET formation in the colon were significantly reduced following the administration of Cl-amidine, DNase I injection, and PAD4KO. These findings suggest that NET formation contributes to the pathogenesis of TNBS-induced colitis via PAD4. Thus, PAD4 is a promising target for the treatment of inflammatory bowel disease.
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Affiliation(s)
- Hiroyuki Yasuda
- Division of Pathological Sciences, Department of Pharmacology and Experimental Therapeutics, Kyoto Pharmaceutical University, Kyoto, 6078414, Japan.
| | - Ayaka Uno
- Division of Pathological Sciences, Department of Pharmacology and Experimental Therapeutics, Kyoto Pharmaceutical University, Kyoto, 6078414, Japan
| | - Yoshiya Tanaka
- Division of Pathological Sciences, Department of Pharmacology and Experimental Therapeutics, Kyoto Pharmaceutical University, Kyoto, 6078414, Japan
| | - Saya Koda
- Division of Pathological Sciences, Department of Pharmacology and Experimental Therapeutics, Kyoto Pharmaceutical University, Kyoto, 6078414, Japan
| | - Michiko Saito
- Bio-Science Research Center, Kyoto Pharmaceutical University, Kyoto, 6078414, Japan
| | - Eisuke F Sato
- Department of Biochemistry, Faculty of Pharmaceutical Sciences, Suzuka University of Medical Science, 3500-3, Minamitamagaki, Suzuka-City, Mie, 513-8670, Japan
| | - Kenjiro Matsumoto
- Division of Pathological Sciences, Department of Pharmacology and Experimental Therapeutics, Kyoto Pharmaceutical University, Kyoto, 6078414, Japan
| | - Shinichi Kato
- Division of Pathological Sciences, Department of Pharmacology and Experimental Therapeutics, Kyoto Pharmaceutical University, Kyoto, 6078414, Japan
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Zarembska E, Ślusarczyk K, Wrzosek M. The Implication of a Polymorphism in the Methylenetetrahydrofolate Reductase Gene in Homocysteine Metabolism and Related Civilisation Diseases. Int J Mol Sci 2023; 25:193. [PMID: 38203363 PMCID: PMC10779094 DOI: 10.3390/ijms25010193] [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: 11/27/2023] [Revised: 12/17/2023] [Accepted: 12/18/2023] [Indexed: 01/12/2024] Open
Abstract
Methylenetetrahydrofolate reductase (MTHFR) is a key regulatory enzyme in the one-carbon cycle. This enzyme is essential for the metabolism of methionine, folate, and RNA, as well as for the production of proteins, DNA, and RNA. MTHFR catalyses the irreversible conversion of 5,10-methylenetetrahydrofolate to its active form, 5-methyltetrahydrofolate, a co-substrate for homocysteine remethylation to methionine. Numerous variants of the MTHFR gene have been recognised, among which the C677T variant is the most extensively studied. The C677T polymorphism, which results in the conversion of valine to alanine at codon 222, is associated with reduced activity and an increased thermolability of the enzyme. Impaired MTHFR efficiency is associated with increased levels of homocysteine, which can contribute to increased production of reactive oxygen species and the development of oxidative stress. Homocysteine is acknowledged as an independent risk factor for cardiovascular disease, while chronic inflammation serves as the common underlying factor among these issues. Many studies have been conducted to determine whether there is an association between the C677T polymorphism and an increased risk of cardiovascular disease, hypertension, diabetes, and overweight/obesity. There is substantial evidence supporting this association, although several studies have concluded that the polymorphism cannot be reliably used for prediction. This review examines the latest research on MTHFR polymorphisms and their correlation with cardiovascular disease, obesity, and epigenetic regulation.
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Affiliation(s)
- Emilia Zarembska
- Student Scientific Association “Farmakon”, Department of Biochemistry and Pharmacogenomics, Medical University of Warsaw, 1 Banacha St., 02-097 Warsaw, Poland
| | - Klaudia Ślusarczyk
- Student Scientific Association “Farmakon”, Department of Biochemistry and Pharmacogenomics, Medical University of Warsaw, 1 Banacha St., 02-097 Warsaw, Poland
- Department of Medical Genetics, Institute of Mother and Child, 17a Kasprzaka St., 01-211 Warsaw, Poland
| | - Małgorzata Wrzosek
- Department of Biochemistry and Pharmacogenomics, Medical University of Warsaw, 1 Banacha St., 02-097 Warsaw, Poland
- Centre for Preclinical Research, Medical University of Warsaw, 1B Banacha St., 02-097 Warsaw, Poland
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Fitzpatrick AM, Mohammad AF, Huang M, Stephenson ST, Patrignani J, Kamaleswaran R, Grunwell JR. Functional immunophenotyping of blood neutrophils identifies novel endotypes of viral response in preschool children with recurrent wheezing. J Allergy Clin Immunol 2023; 152:1433-1443. [PMID: 37604313 PMCID: PMC10841272 DOI: 10.1016/j.jaci.2023.08.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 08/07/2023] [Accepted: 08/15/2023] [Indexed: 08/23/2023]
Abstract
BACKGROUND Preschool children with recurrent wheezing are heterogeneous, with differing responses to respiratory viral infections. Although neutrophils are crucial for host defense, their function has not been studied in this population. OBJECTIVE We performed functional immunophenotyping on isolated blood neutrophils from 52 preschool children with recurrent wheezing (aeroallergen sensitization, n = 16; no sensitization, n = 36). METHODS Blood neutrophils were purified and cultured overnight with polyinosinic:polycytidylic acid [poly(I:C)] as a viral analog stimulus. Neutrophils underwent next-generation sequencing with Reactome pathway analysis and were analyzed for cytokine secretion, apoptosis, myeloperoxidase, and extracellular DNA release. CD14+ monocytes were also exposed to neutrophil culture supernatant and analyzed for markers of M1 and M2 activation. RESULTS A total of 495 genes, related largely to the innate immune system and neutrophil degranulation, were differently expressed in children with versus without aeroallergen sensitization. Functional experiments identified more neutrophil degranulation and extracellular trap formation (ie, more myeloperoxidase and extracellular DNA) and less neutrophil proinflammatory cytokine secretion in children with aeroallergen sensitization. Neutrophils also shifted CD14+ monocytes to a more anti-inflammatory (ie, M2) phenotype in sensitized children and a more proinflammatory (ie, M1) phenotype in nonsensitized children. Although both groups experienced viral exacerbations, annualized exacerbation rates prompting unscheduled health care were also higher in children without aeroallergen sensitization after enrollment. CONCLUSIONS Systemic neutrophil responses to viral infection differ by allergic phenotype and may be less effective in preschool children without allergic inflammation. Further studies of neutrophil function are needed in this population, which often has less favorable therapeutic responses to inhaled corticosteroids and other therapies directed at type 2-high inflammation.
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Affiliation(s)
- Anne M Fitzpatrick
- Department of Pediatrics, Emory University, Atlanta, Ga; Division of Pulmonary Medicine, Children's Healthcare of Atlanta, Atlanta, Ga.
| | | | - Min Huang
- Department of Biomedical Informatics, Emory University, Atlanta, Ga
| | | | | | | | - Jocelyn R Grunwell
- Department of Pediatrics, Emory University, Atlanta, Ga; Division of Critical Care Medicine, Children's Healthcare of Atlanta, Atlanta, Ga
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Liu C, Yalavarthi S, Tambralli A, Zeng L, Rysenga CE, Alizadeh N, Hudgins L, Liang W, NaveenKumar SK, Shi H, Shelef MA, Atkins KB, Pennathur S, Knight JS. Inhibition of neutrophil extracellular trap formation alleviates vascular dysfunction in type 1 diabetic mice. SCIENCE ADVANCES 2023; 9:eadj1019. [PMID: 37878711 PMCID: PMC10599623 DOI: 10.1126/sciadv.adj1019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 09/20/2023] [Indexed: 10/27/2023]
Abstract
While neutrophil extracellular traps (NETs) have previously been linked to some diabetes-associated complications, such as dysfunctional wound healing, their potential role in diabetic vascular dysfunction has not been studied. Diabetic Akita mice were crossed with either Elane-/- or Pad4-/- mice to generate NET-deficient diabetic mice. By 24 weeks of age, Akita aortae showed markedly impaired relaxation in response to acetylcholine, indicative of vascular dysfunction. Both Akita-Elane-/- mice and Akita-Pad4-/- mice had reduced levels of circulating NETs and improved acetylcholine-mediated aortic relaxation. Compared with wild-type aortae, the thromboxane metabolite TXB2 was roughly 10-fold higher in both intact and endothelium-denuded aortae of Akita mice. In contrast, Akita-Elane-/- and Akita-Pad4-/- aortae had TXB2 levels similar to wild type. In summary, inhibition of NETosis by two independent strategies prevented the development of vascular dysfunction in diabetic Akita mice. Thromboxane was up-regulated in the vessel walls of NETosis-competent diabetic mice, suggesting a role for neutrophils in driving the production of this vasoconstrictive and atherogenic prostanoid.
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Affiliation(s)
- Chao Liu
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Srilakshmi Yalavarthi
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Ajay Tambralli
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Lixia Zeng
- Division of Nephrology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Christine E. Rysenga
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Nikoo Alizadeh
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Lucas Hudgins
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Wenying Liang
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | | | - Hui Shi
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
- Department of Rheumatology and Immunology, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Miriam A. Shelef
- Division of Rheumatology, Department of Medicine, University of Wisconsin–Madison, Madison, WI, USA
- William S. Middleton Memorial Veterans Hospital, Madison, WI, USA
| | - Kevin B. Atkins
- Division of Nephrology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Subramaniam Pennathur
- Division of Nephrology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI, USA
| | - Jason S. Knight
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
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Perdomo J, Leung HHL. Immune Thrombosis: Exploring the Significance of Immune Complexes and NETosis. BIOLOGY 2023; 12:1332. [PMID: 37887042 PMCID: PMC10604267 DOI: 10.3390/biology12101332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Revised: 09/26/2023] [Accepted: 10/11/2023] [Indexed: 10/28/2023]
Abstract
Neutrophil extracellular traps (NETs) are major contributors to inflammation and autoimmunity, playing a key role in the development of thrombotic disorders. NETs, composed of DNA, histones, and numerous other proteins serve as scaffolds for thrombus formation and promote platelet activation, coagulation, and endothelial dysfunction. Accumulating evidence indicates that NETs mediate thrombosis in autoimmune diseases, viral and bacterial infections, cancer, and cardiovascular disease. This article reviews the role and mechanisms of immune complexes in NETs formation and their contribution to the generation of a prothrombotic state. Immune complexes are formed by interactions between antigens and antibodies and can induce NETosis by the direct activation of neutrophils via Fc receptors, via platelet activation, and through endothelial inflammation. We discuss the mechanisms by which NETs induced by immune complexes contribute to immune thrombotic processes and consider the potential development of therapeutic strategies. Targeting immune complexes and NETosis hold promise for mitigating thrombotic events and reducing the burden of immune thrombosis.
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Affiliation(s)
- José Perdomo
- Haematology Research Group, Faculty Medicine and Health, Central Clinical School, University of Sydney, Sydney, NSW 2006, Australia
| | - Halina H. L. Leung
- Haematology Research Unit, St George & Sutherland Clinical Campuses, Faculty of Medicine & Health, School of Clinical Medicine, University of New South Wales, Kogarah, NSW 2217, Australia;
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Allenspach K, Sung CH, Ceron JJ, Peres Rubio C, Bourgois-Mochel A, Suchodolski JS, Yuan L, Kundu D, Colom Comas J, Rea K, Mochel JP. Effect of the Probiotic Bacillus subtilis DE-CA9 TM on Fecal Scores, Serum Oxidative Stress Markers and Fecal and Serum Metabolome in Healthy Dogs. Vet Sci 2023; 10:566. [PMID: 37756088 PMCID: PMC10537710 DOI: 10.3390/vetsci10090566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 08/14/2023] [Accepted: 08/22/2023] [Indexed: 09/28/2023] Open
Abstract
BACKGROUND There is increasing interest in the use of Bacillus species as probiotics since their spore-forming ability favors their survival in the acidic gastric environment over other probiotic species. The subsequent germination of B. subtilis to their vegetative form allows for their growth in the small intestine and may increase their beneficial effect on the host. B. subtilis strains have also previously been shown to have beneficial effects in humans and production animals, however, no reports are available so far on their use in companion animals. STUDY DESIGN The goal of this study was therefore to investigate the daily administration of 1 × 109 cfu DE-CA9TM orally per day versus placebo on health parameters, fecal scores, fecal microbiome, fecal metabolomics, as well as serum metabolomics and oxidative stress markers in ten healthy Beagle dogs in a parallel, randomized, prospective, placebo-controlled design over a period of 45 days. RESULTS DE-CA9TM decreased the oxidative status compared to controls for advanced oxidation protein products (AOPP), thiobarbituric acid reactive substances (TBARS) and reactive oxygen metabolites (d-ROMS), suggesting an antioxidant effect of the treatment. Fecal metabolomics revealed a significant reduction in metabolites associated with tryptophan metabolism in the DE-CA9TM-treated group. DE-CA9TM also significantly decreased phenylalanine and homocysteine and increased homoserine and threonine levels. Amino acid metabolism was also affected in the serum metabolome, with increased levels of urea and cadaverine, and reductions in N-acetylornithine in DE-CA9TM compared to controls. Similarly, changes in essential amino acids were observed, with a significant increase in tryptophan and lysine levels and a decrease in homocysteine. An increase in serum guanine and deoxyuridine was also detected, with a decrease in beta-alanine in the animals that ingested DE-CA9TM. CONCLUSIONS Data generated throughout this study suggest that the daily administration of 1 × 109 cfu of DE-CA9TM in healthy Beagle dogs is safe and does not affect markers of general health and fecal scores. Furthermore, DE-CA9TM administration had a potential positive effect on some serum markers of oxidative stress, and protein and lipid metabolism in serum and feces.
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Affiliation(s)
- Karin Allenspach
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Iowa State University, Ames, IA 50010, USA;
| | - Chi-Hsuan Sung
- The Gastrointestinal Laboratory, Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX 77843, USA; (C.-H.S.); (J.S.S.)
| | - Jose Joaquin Ceron
- Department of Clinical Pathology, College of Veterinary Medicine, University of Murcia, 30100 Murcia, Spain; (J.J.C.); (C.P.R.); (L.Y.)
| | - Camila Peres Rubio
- Department of Clinical Pathology, College of Veterinary Medicine, University of Murcia, 30100 Murcia, Spain; (J.J.C.); (C.P.R.); (L.Y.)
| | - Agnes Bourgois-Mochel
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Iowa State University, Ames, IA 50010, USA;
| | - Jan S. Suchodolski
- The Gastrointestinal Laboratory, Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX 77843, USA; (C.-H.S.); (J.S.S.)
| | - Lingnan Yuan
- Department of Clinical Pathology, College of Veterinary Medicine, University of Murcia, 30100 Murcia, Spain; (J.J.C.); (C.P.R.); (L.Y.)
| | - Debosmita Kundu
- Department of Biomedical Sciences, College of Veterinary Medicine, Iowa State University, Ames, IA 50010, USA; (D.K.); (J.P.M.)
| | - Joan Colom Comas
- ADM Cork H&W Limited, Bioinnovation Unit, Food Science Building, College Road, University College Cork, T12 Y337 Cork, Ireland; (J.C.C.); (K.R.)
| | - Kieran Rea
- ADM Cork H&W Limited, Bioinnovation Unit, Food Science Building, College Road, University College Cork, T12 Y337 Cork, Ireland; (J.C.C.); (K.R.)
| | - Jonathan P. Mochel
- Department of Biomedical Sciences, College of Veterinary Medicine, Iowa State University, Ames, IA 50010, USA; (D.K.); (J.P.M.)
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Ganesh K, Joshi MB. Neutrophil sub-types in maintaining immune homeostasis during steady state, infections and sterile inflammation. Inflamm Res 2023; 72:1175-1192. [PMID: 37212866 PMCID: PMC10201050 DOI: 10.1007/s00011-023-01737-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 03/20/2023] [Accepted: 04/28/2023] [Indexed: 05/23/2023] Open
Abstract
INTRODUCTION Neutrophils are component of innate immune system and a) eliminate pathogens b) maintain immune homeostasis by regulating other immune cells and c) contribute to the resolution of inflammation. Neutrophil mediated inflammation has been described in pathogenesis of various diseases. This indicates neutrophils do not represent homogeneous population but perform multiple functions through confined subsets. Hence, in the present review we summarize various studies describing the heterogeneous nature of neutrophils and associated functions during steady state and pathological conditions. METHODOLOGY We performed extensive literature review with key words 'Neutrophil subpopulations' 'Neutrophil subsets', Neutrophil and infections', 'Neutrophil and metabolic disorders', 'Neutrophil heterogeneity' in PUBMED. RESULTS Neutrophil subtypes are characterized based on buoyancy, cell surface markers, localization and maturity. Recent advances in high throughput technologies indicate the existence of functionally diverse subsets of neutrophils in bone marrow, blood and tissues in both steady state and pathological conditions. Further, we found proportions of these subsets significantly vary in pathological conditions. Interestingly, stimulus specific activation of signalling pathways in neutrophils have been demonstrated. CONCLUSION Neutrophil sub-populations differ among diseases and hence, mechanisms regulating formation, sustenance, proportions and functions of these sub-types vary between physiological and pathological conditions. Hence, mechanistic insights of neutrophil subsets in disease specific manner may facilitate development of neutrophil-targeted therapies.
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Affiliation(s)
- Kailash Ganesh
- Department of Ageing Research, Manipal School of Life Sciences, Manipal Academy of Higher Education, Planetarium Complex, Manipal, 576104, India
| | - Manjunath B Joshi
- Department of Ageing Research, Manipal School of Life Sciences, Manipal Academy of Higher Education, Planetarium Complex, Manipal, 576104, India.
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13
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Thimmappa PY, Vasishta S, Ganesh K, Nair AS, Joshi MB. Neutrophil (dys)function due to altered immuno-metabolic axis in type 2 diabetes: implications in combating infections. Hum Cell 2023:10.1007/s13577-023-00905-7. [PMID: 37115481 DOI: 10.1007/s13577-023-00905-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 03/31/2023] [Indexed: 04/29/2023]
Abstract
Metabolic and inflammatory pathways are highly interdependent, and both systems are dysregulated in Type 2 diabetes (T2D). T2D is associated with pre-activated inflammatory signaling networks, aberrant cytokine production and increased acute phase reactants which leads to a pro-inflammatory 'feed forward loop'. Nutrient 'excess' conditions in T2D with hyperglycemia, elevated lipids and branched-chain amino acids significantly alter the functions of immune cells including neutrophils. Neutrophils are metabolically active cells and utilizes energy from glycolysis, stored glycogen and β-oxidation while depending on the pentose phosphate pathway for NADPH for performing effector functions such as chemotaxis, phagocytosis and forming extracellular traps. Metabolic changes in T2D result in constitutive activation and impeded acquisition of effector or regulatory activities of neutrophils and render T2D subjects for recurrent infections. Increased flux through the polyol and hexosamine pathways, elevated production of advanced glycation end products (AGEs), and activation of protein kinase C isoforms lead to (a) an enhancement in superoxide generation; (b) the stimulation of inflammatory pathways and subsequently to (c) abnormal host responses. Neutrophil dysfunction diminishes the effectiveness of wound healing, successful tissue regeneration and immune surveillance against offending pathogens. Hence, Metabolic reprogramming in neutrophils determines frequency, severity and duration of infections in T2D. The present review discusses the influence of the altered immuno-metabolic axis on neutrophil dysfunction along with challenges and therapeutic opportunities for clinical management of T2D-associated infections.
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Affiliation(s)
- Pooja Yedehalli Thimmappa
- Department of Ageing Research, Manipal School of Life Sciences, Manipal Academy of Higher Education, Planetarium Complex, Manipal, Karnataka, 576104, India
| | - Sampara Vasishta
- Department of Ageing Research, Manipal School of Life Sciences, Manipal Academy of Higher Education, Planetarium Complex, Manipal, Karnataka, 576104, India
| | - Kailash Ganesh
- Department of Ageing Research, Manipal School of Life Sciences, Manipal Academy of Higher Education, Planetarium Complex, Manipal, Karnataka, 576104, India
| | - Aswathy S Nair
- Department of Ageing Research, Manipal School of Life Sciences, Manipal Academy of Higher Education, Planetarium Complex, Manipal, Karnataka, 576104, India
| | - Manjunath B Joshi
- Department of Ageing Research, Manipal School of Life Sciences, Manipal Academy of Higher Education, Planetarium Complex, Manipal, Karnataka, 576104, India.
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Hayden MR. Overview and New Insights into the Metabolic Syndrome: Risk Factors and Emerging Variables in the Development of Type 2 Diabetes and Cerebrocardiovascular Disease. Medicina (B Aires) 2023; 59:medicina59030561. [PMID: 36984562 PMCID: PMC10059871 DOI: 10.3390/medicina59030561] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 03/04/2023] [Accepted: 03/10/2023] [Indexed: 03/16/2023] Open
Abstract
Metabolic syndrome (MetS) is considered a metabolic disorder that has been steadily increasing globally and seems to parallel the increasing prevalence of obesity. It consists of a cluster of risk factors which traditionally includes obesity and hyperlipidemia, hyperinsulinemia, hypertension, and hyperglycemia. These four core risk factors are associated with insulin resistance (IR) and, importantly, the MetS is known to increase the risk for developing cerebrocardiovascular disease and type 2 diabetes mellitus. The MetS had its early origins in IR and syndrome X. It has undergone numerous name changes, with additional risk factors and variables being added over the years; however, it has remained as the MetS worldwide for the past three decades. This overview continues to add novel insights to the MetS and suggests that leptin resistance with hyperleptinemia, aberrant mitochondrial stress and reactive oxygen species (ROS), impaired folate-mediated one-carbon metabolism with hyperhomocysteinemia, vascular stiffening, microalbuminuria, and visceral adipose tissues extracellular vesicle exosomes be added to the list of associated variables. Notably, the role of a dysfunctional and activated endothelium and deficient nitric oxide bioavailability along with a dysfunctional and attenuated endothelial glycocalyx, vascular inflammation, systemic metainflammation, and the important role of ROS and reactive species interactome are discussed. With new insights and knowledge regarding the MetS comes the possibility of new findings through further research.
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Affiliation(s)
- Melvin R Hayden
- Department of Internal Medicine, Endocrinology Diabetes and Metabolism, Diabetes and Cardiovascular Disease Center, University of Missouri School of Medicine, One Hospital Drive, Columbia, MO 65211, USA
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15
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Adrover JM, McDowell SAC, He XY, Quail DF, Egeblad M. NETworking with cancer: The bidirectional interplay between cancer and neutrophil extracellular traps. Cancer Cell 2023; 41:505-526. [PMID: 36827980 DOI: 10.1016/j.ccell.2023.02.001] [Citation(s) in RCA: 61] [Impact Index Per Article: 61.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 01/09/2023] [Accepted: 02/01/2023] [Indexed: 02/25/2023]
Abstract
Neutrophils are major effectors and regulators of the immune system. They play critical roles not only in the eradication of pathogens but also in cancer initiation and progression. Conversely, the presence of cancer affects neutrophil activity, maturation, and lifespan. By promoting or repressing key neutrophil functions, cancer cells co-opt neutrophil biology to their advantage. This co-opting includes hijacking one of neutrophils' most striking pathogen defense mechanisms: the formation of neutrophil extracellular traps (NETs). NETs are web-like filamentous extracellular structures of DNA, histones, and cytotoxic granule-derived proteins. Here, we discuss the bidirectional interplay by which cancer stimulates NET formation, and NETs in turn support disease progression. We review how vascular dysfunction and thrombosis caused by neutrophils and NETs underlie an elevated risk of death from cardiovascular events in cancer patients. Finally, we propose therapeutic strategies that may be effective in targeting NETs in the clinical setting.
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Affiliation(s)
- Jose M Adrover
- Cold Spring Harbor Laboratory, Cold Spring Harbor, NY, USA
| | - Sheri A C McDowell
- Rosalind and Morris Goodman Cancer Institute, McGill University, Montreal, QC, Canada; Department of Physiology, Faculty of Medicine, McGill University, Montreal, QC, Canada
| | - Xue-Yan He
- Cold Spring Harbor Laboratory, Cold Spring Harbor, NY, USA
| | - Daniela F Quail
- Rosalind and Morris Goodman Cancer Institute, McGill University, Montreal, QC, Canada; Department of Physiology, Faculty of Medicine, McGill University, Montreal, QC, Canada.
| | - Mikala Egeblad
- Cold Spring Harbor Laboratory, Cold Spring Harbor, NY, USA.
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Gauer JS, Ajjan RA, Ariëns RAS. Platelet-Neutrophil Interaction and Thromboinflammation in Diabetes: Considerations for Novel Therapeutic Approaches. J Am Heart Assoc 2022; 11:e027071. [PMID: 36250653 DOI: 10.1161/jaha.122.027071] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Thromboinflammation has become a topic of key interest in cardiovascular disease and the prevention of diabetes complications because of the interplay between thrombosis and inflammation in diabetes. Specifically, the significant risk of vascular thrombotic disease in diabetes highlights the need for new and better therapeutic targets to help manage and prevent vascular thrombo-occlusive disease in this condition. Similarly, the prominent role of inflammation in diabetes has sparked interest in anti-inflammatory agents to better prevent and control vascular disease. Investigations on the effects of anticoagulation and antiplatelet interventions in patients with diabetes and cardiovascular disease show a potential role for these agents in decreasing morbidity and mortality. Neutrophils and platelets are key players in inflammation and wound-healing response, respectively. The interaction between neutrophils and platelets is thought to be an important driver of thromboinflammation. Therefore, this review describes the mechanisms involved in platelet-neutrophil interactions that contribute to the development or exacerbation of thromboinflammation in the context of diabetes and its associated comorbidities. The effects observed by the antithrombotic/antidiabetic treatments and physical activity/dietary interventions on attenuating thromboinflammation are discussed. These data suggest that mechanisms involved in platelet-neutrophil interaction, platelet activation/aggregation, and the recruitment of neutrophils have a promising potential to become therapeutic targets to decrease thromboinflammation in patients with diabetes.
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Affiliation(s)
- Julia S Gauer
- Discovery and Translational Science Department Institute of Cardiovascular and Metabolic Medicine, University of Leeds Leeds United Kingdom
| | - Ramzi A Ajjan
- Discovery and Translational Science Department Institute of Cardiovascular and Metabolic Medicine, University of Leeds Leeds United Kingdom
| | - Robert A S Ariëns
- Discovery and Translational Science Department Institute of Cardiovascular and Metabolic Medicine, University of Leeds Leeds United Kingdom
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CuO-NPs-triggered heterophil extracellular traps exacerbate liver injury in chicks by promoting oxidative stress and inflammatory responses. Arch Toxicol 2022; 96:2913-2926. [PMID: 35962800 DOI: 10.1007/s00204-022-03357-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 08/03/2022] [Indexed: 11/02/2022]
Abstract
With the widespread use of copper oxide nanoparticles (CuO-NPs), their potential toxicity to the environment and biological health has attracted close attention. Heterophil extracellular traps (HETs) are an innate immune mechanism of chicken heterophils against adverse stimuli, but excessive HETs cause damage. Here, we explored the effect and mechanism of CuO-NPs on HETs formation in vitro and further evaluated the potential role of HETs in chicken liver and kidney injury. Heterophils were exposed to 5, 10, and 20 µg/mL of CuO-NPs for 2 h. The results showed that CuO-NPs induced typical HETs formation, which was dependent on NADPH oxidase, P38 and extracellular regulated protein kinases (ERK1/2) pathways, and glycolysis. In in vivo experiments, fluorescence microplate and morphological analysis showed that CuO-NPs elevated the level of HETs in chicken serum and caused liver and kidney damage. Meanwhile, CuO-NPs caused hepatic oxidative stress (MDA, SOD, CAT, and GSH-PX imbalance), and also induced an increase in mRNA expression of their inflammatory and apoptosis-related factors (IL-1β, IL-6, TNF-α, COX-2, iNOS, NLRP3, and Caspase-1, 3, 11). However, these results were significantly altered by DNase I (HETs degradation reagent). In conclusion, the present study demonstrates for the first time that CuO-NPs induce the formation of HETs and that HETs exacerbate pathological damage in chicken liver and kidney by promoting oxidative stress and inflammation, providing insights into immunotoxicity and potential prevention and treatment targets caused by CuO-NPs overexposure.
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Wang W, Wang Q, Yang N. Serum uric acid concentration is associated with hyperhomocysteinemia in hypertensive Chinese adults. Blood Press Monit 2022; 27:147-151. [PMID: 35120025 DOI: 10.1097/mbp.0000000000000581] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE This study is to investigate the correlation between serum uric acid levels and hyperhomocysteinemia Chinese adult patients with hypertension. METHODS We enrolled 981 hypertensive patients, including unmedicated hypertensives, in our study. There were 453 patients with hyperhomocysteinemia (hyperhomocysteinemia hypertension group) and 528 without it (ordinary hypertension group). We collected histories of coronary heart disease, diabetes, and smoking and tested patients' BMI, blood pressure, fasting serum uric acid, serum total cholesterol, triglycerides, low-density lipoprotein cholesterol, serum creatinine, and homocysteine. Subjects were stratified into four groups according to their serum uric acid quartiles: Q1 group, 249 cases (≤268 μmol/L); Q2 group, 245 cases (269-322 μmol/L); Q3 group, 244 cases (323-378 μmol/L); and Q4 group, 243 cases (≥379 μmol/L). We employ logistic regression analysis to investigate the relationship between serum uric acid levels and the risk of hyperhomocysteinemia in patients with hypertension. RESULTS We find that there were significant differences in gender distribution, serum uric acid, BMI, serum creatinine, total cholesterol, and diastolic blood pressure between the two groups (P < 0.05). The prevalence of hyperhomocysteinemia in groups Q1 through Q4 was 26.91% (67/249), 45.31% (111/245), 47.01% (117/244), and 65.02% (158/243), respectively, after adjusting for relevant factors, we find that the risk of hyperhomocysteinemia in the Q4 group was significantly higher than that in the Q1 group (odds ratio = 3.00, 95% confidence interval: 1.83-4.93). CONCLUSION We find evidence that an elevated serum uric acid level is an independent indicator for hyperhomocysteinemia in patients with hypertension.
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Affiliation(s)
- Wen Wang
- The Second Affiliated Hospital, Xi'an Jiaotong University, Xincheng District, Xi'an City, Shaanxi Province, China
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The Mighty Mitochondria Are Unifying Organelles and Metabolic Hubs in Multiple Organs of Obesity, Insulin Resistance, Metabolic Syndrome, and Type 2 Diabetes: An Observational Ultrastructure Study. Int J Mol Sci 2022; 23:ijms23094820. [PMID: 35563211 PMCID: PMC9101653 DOI: 10.3390/ijms23094820] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 04/22/2022] [Accepted: 04/24/2022] [Indexed: 12/25/2022] Open
Abstract
Mitochondria (Mt) are essential cellular organelles for the production of energy and thermogenesis. Mt also serve a host of functions in addition to energy production, which include cell signaling, metabolism, cell death, and aging. Due to the central role of Mt in metabolism as metabolic hubs, there has been renewed interest in how Mt impact metabolic pathways and multiple pathologies. This review shares multiple observational ultrastructural findings in multiple cells and organs to depict aberrant mitochondrial (aMt) remodeling in pre-clinical rodent models. Further, it is intended to show how remodeling of Mt are associated with obesity, insulin resistance, metabolic syndrome (MetS), and type 2 diabetes mellitus (T2DM). Specifically, Mt remodeling in hypertensive and insulin-resistant lean models (Ren2 rat models), lean mice with streptozotocin-induced diabetes, obesity models including diet-induced obesity, genetic leptin-deficient ob/ob, and leptin receptor-deficient db/db diabetic mice are examined. Indeed, aMt dysfunction and damage have been implicated in multiple pathogenic diseases. Manipulation of Mt such as the induction of Mt biogenesis coupled with improvement of mitophagy machinery may be helpful to remove leaky damaged aMt in order to prevent the complications associated with the generation of superoxide-derived reactive oxygen species and the subsequent reactive species interactome. A better understanding of Mt remodeling may help to unlock many of the mysteries in obesity, insulin resistance, MetS, T2DM, and the associated complications of diabetic end-organ disease.
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The Controversial Role of HCY and Vitamin B Deficiency in Cardiovascular Diseases. Nutrients 2022; 14:nu14071412. [PMID: 35406025 PMCID: PMC9003430 DOI: 10.3390/nu14071412] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 03/21/2022] [Accepted: 03/24/2022] [Indexed: 11/16/2022] Open
Abstract
Plasma homocysteine (HCY) is an established risk factor for cardiovascular disease CVD and stroke. However, more than two decades of intensive research activities has failed to demonstrate that Hcy lowering through B-vitamin supplementation results in a reduction in CVD risk. Therefore, doubts about a causal involvement of hyperhomocysteinemia (HHcy) and B-vitamin deficiencies in atherosclerosis persist. Existing evidence indicates that HHcy increases oxidative stress, causes endoplasmatic reticulum (ER) stress, alters DNA methylation and, thus, modulates the expression of numerous pathogenic and protective genes. Moreover, Hcy can bind directly to proteins, which can change protein function and impact the intracellular redox state. As most mechanistic evidence is derived from experimental studies with rather artificial settings, the relevance of these results in humans remains a matter of debate. Recently, it has also been proposed that HHcy and B-vitamin deficiencies may promote CVD through accelerated telomere shortening and telomere dysfunction. This review provides a critical overview of the existing literature regarding the role of HHcy and B-vitamin deficiencies in CVD. At present, the CVD risk associated with HHcy and B vitamins is not effectively actionable. Therefore, routine screening for HHcy in CVD patients is of limited value. However, B-vitamin depletion is rather common among the elderly, and in such cases existing deficiencies should be corrected. While Hcy-lowering with high doses of B vitamins has no beneficial effects in secondary CVD prevention, the role of Hcy in primary disease prevention is insufficiently studied. Therefore, more intervention and experimental studies are needed to address existing gaps in knowledge.
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Maronek M, Gardlik R. The Citrullination-Neutrophil Extracellular Trap Axis in Chronic Diseases. J Innate Immun 2022; 14:393-417. [PMID: 35263752 PMCID: PMC9485962 DOI: 10.1159/000522331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Accepted: 01/25/2022] [Indexed: 11/19/2022] Open
Abstract
Citrullination of proteins is crucial for the formation of neutrophil extracellular traps (NETs) − strands of nuclear DNA expulsed in the extracellular environment along with antimicrobial proteins in order to halt the spread of pathogens. Paradoxically, NETs may be immunogenic and contribute to inflammation. It is known that for the externalization of DNA, a group of enzymes called peptidyl arginine deiminases (PADs) is required. Current research often looks at citrullination, NET formation, PAD overexpression, and extracellular DNA (ecDNA) accumulation in chronic diseases as separate events. In contrast, we propose that citrullination can be viewed as the primary mechanism of autoimmunity, for instance by the formation of anti-citrullinated protein antibodies (ACPAs) but also as a process contributing to chronic inflammation. Therefore, citrullination could be at the center, connecting and impacting multiple inflammatory diseases in which ACPAs, NETs, or ecDNA have already been documented. In this review, we aimed to highlight the importance of citrullination in the etiopathogenesis of a number of chronic diseases and to explore the diagnostic, prognostic, and therapeutic potential of the citrullination-NET axis.
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Affiliation(s)
- Martin Maronek
- Institute of Molecular Biomedicine, Faculty of Medicine, Comenius University in Bratislava, Bratislava, Slovakia
| | - Roman Gardlik
- Institute of Molecular Biomedicine, Faculty of Medicine, Comenius University in Bratislava, Bratislava, Slovakia
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22
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Hayden MR, Tyagi SC. Impaired Folate-Mediated One-Carbon Metabolism in Type 2 Diabetes, Late-Onset Alzheimer's Disease and Long COVID. MEDICINA (KAUNAS, LITHUANIA) 2021; 58:16. [PMID: 35056324 PMCID: PMC8779539 DOI: 10.3390/medicina58010016] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 12/18/2021] [Accepted: 12/21/2021] [Indexed: 12/25/2022]
Abstract
Impaired folate-mediated one-carbon metabolism (FOCM) is associated with many pathologies and developmental abnormalities. FOCM is a metabolic network of interdependent biosynthetic pathways that is known to be compartmentalized in the cytoplasm, mitochondria and nucleus. Currently, the biochemical mechanisms and causal metabolic pathways responsible for the initiation and/or progression of folate-associated pathologies have yet to be fully established. This review specifically examines the role of impaired FOCM in type 2 diabetes mellitus, Alzheimer's disease and the emerging Long COVID/post-acute sequelae of SARS-CoV-2 (PASC). Importantly, elevated homocysteine may be considered a biomarker for impaired FOCM, which is known to result in increased oxidative-redox stress. Therefore, the incorporation of hyperhomocysteinemia will be discussed in relation to impaired FOCM in each of the previously listed clinical diseases. This review is intended to fill gaps in knowledge associated with these clinical diseases and impaired FOCM. Additionally, some of the therapeutics will be discussed at this early time point in studying impaired FOCM in each of the above clinical disease states. It is hoped that this review will allow the reader to better understand the role of FOCM in the development and treatment of clinical disease states that may be associated with impaired FOCM and how to restore a more normal functional role for FOCM through improved nutrition and/or restoring the essential water-soluble B vitamins through oral supplementation.
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Affiliation(s)
- Melvin R. Hayden
- Departments of Internal Medicine, Endocrinology Diabetes and Metabolism Diabetes and Cardiovascular Disease Center, University of Missouri School of Medicine, Columbia, MO 65212, USA
| | - Suresh C. Tyagi
- Department of Physiology, University of Louisville School of Medicine, Louisville, KY 40202, USA;
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Keeter WC, Moriarty AK, Galkina EV. Role of neutrophils in type 2 diabetes and associated atherosclerosis. Int J Biochem Cell Biol 2021; 141:106098. [PMID: 34655814 PMCID: PMC8962624 DOI: 10.1016/j.biocel.2021.106098] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 10/08/2021] [Accepted: 10/11/2021] [Indexed: 01/09/2023]
Abstract
The development of cardiovascular diseases associated with Type-2 diabetes remains one of the most challenging public health burdens in the developed world. Early onset of metabolic deficiencies, namely dysregulated glucose homeostasis, peripheral insulin resistance, and impaired insulin production are accompanied by both innate and adaptive immune responses that culminate in a state of chronic, low-grade inflammation. Neutrophils are a critical component of the innate immune system which offer frontline defense against pathogens through a variety of potent effector functions. Recent data indicate an essential role of neutrophils in various disease processes that contribute to the development of Type-2 diabetes and atherosclerosis. In this brief review, we aim to distill the most relevant clinical and pre-clinical literature that investigates the role of neutrophils as an important mediator for the Type-2 diabetes/atherosclerosis connection.
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Affiliation(s)
- W Coles Keeter
- Department of Microbiology and Molecular Cell Biology, Eastern Virginia Medical School, 700 West Olney Rd, Norfolk, VA 23507, USA
| | - Alina K Moriarty
- Department of Microbiology and Molecular Cell Biology, Eastern Virginia Medical School, 700 West Olney Rd, Norfolk, VA 23507, USA
| | - Elena V Galkina
- Department of Microbiology and Molecular Cell Biology, Eastern Virginia Medical School, 700 West Olney Rd, Norfolk, VA 23507, USA.
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Zhang X, Qu YY, Liu L, Qiao YN, Geng HR, Lin Y, Xu W, Cao J, Zhao JY. Homocysteine inhibits pro-insulin receptor cleavage and causes insulin resistance via protein cysteine-homocysteinylation. Cell Rep 2021; 37:109821. [PMID: 34644569 DOI: 10.1016/j.celrep.2021.109821] [Citation(s) in RCA: 82] [Impact Index Per Article: 27.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 08/06/2021] [Accepted: 09/21/2021] [Indexed: 01/10/2023] Open
Abstract
Elevation in homocysteine (Hcy) level is associated with insulin resistance; however, the causality between them and the underlying mechanism remain elusive. Here, we show that Hcy induces insulin resistance and causes diabetic phenotypes by protein cysteine-homocysteinylation (C-Hcy) of the pro-insulin receptor (pro-IR). Mechanistically, Hcy reacts and modifies cysteine-825 of pro-IR in the endoplasmic reticulum (ER) and abrogates the formation of the original disulfide bond. C-Hcy impairs the interaction between pro-IR and the Furin protease in the Golgi apparatus, thereby hindering the cleavage of pro-IR. In mice, an increase in Hcy level decreases the mature IR level in various tissues, thereby inducing insulin resistance and the type 2 diabetes phenotype. Furthermore, inhibition of C-Hcy in vivo and in vitro by overexpressing protein disulfide isomerase rescues the Hcy-induced phenotypes. In conclusion, C-Hcy in the ER can serve as a potential pharmacological target for developing drugs to prevent insulin resistance and increase insulin sensitivity.
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Affiliation(s)
- Xuan Zhang
- State Key Laboratory of Genetic Engineering, Zhongshan Hospital of Fudan University, School of Life Sciences, Children's Hospital of Fudan University, Fudan University Shanghai Cancer Center, and Institutes of Biomedical Sciences, Fudan University, Shanghai 200438, P.R. China
| | - Yuan-Yuan Qu
- State Key Laboratory of Genetic Engineering, Zhongshan Hospital of Fudan University, School of Life Sciences, Children's Hospital of Fudan University, Fudan University Shanghai Cancer Center, and Institutes of Biomedical Sciences, Fudan University, Shanghai 200438, P.R. China
| | - Lian Liu
- State Key Laboratory of Genetic Engineering, Zhongshan Hospital of Fudan University, School of Life Sciences, Children's Hospital of Fudan University, Fudan University Shanghai Cancer Center, and Institutes of Biomedical Sciences, Fudan University, Shanghai 200438, P.R. China
| | - Ya-Nan Qiao
- State Key Laboratory of Genetic Engineering, Zhongshan Hospital of Fudan University, School of Life Sciences, Children's Hospital of Fudan University, Fudan University Shanghai Cancer Center, and Institutes of Biomedical Sciences, Fudan University, Shanghai 200438, P.R. China
| | - Hao-Ran Geng
- State Key Laboratory of Genetic Engineering, Zhongshan Hospital of Fudan University, School of Life Sciences, Children's Hospital of Fudan University, Fudan University Shanghai Cancer Center, and Institutes of Biomedical Sciences, Fudan University, Shanghai 200438, P.R. China
| | - Yan Lin
- State Key Laboratory of Genetic Engineering, Zhongshan Hospital of Fudan University, School of Life Sciences, Children's Hospital of Fudan University, Fudan University Shanghai Cancer Center, and Institutes of Biomedical Sciences, Fudan University, Shanghai 200438, P.R. China
| | - Wei Xu
- State Key Laboratory of Genetic Engineering, Zhongshan Hospital of Fudan University, School of Life Sciences, Children's Hospital of Fudan University, Fudan University Shanghai Cancer Center, and Institutes of Biomedical Sciences, Fudan University, Shanghai 200438, P.R. China
| | - Jing Cao
- Department of Anatomy and Neuroscience Research Institute, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Jian-Yuan Zhao
- State Key Laboratory of Genetic Engineering, Zhongshan Hospital of Fudan University, School of Life Sciences, Children's Hospital of Fudan University, Fudan University Shanghai Cancer Center, and Institutes of Biomedical Sciences, Fudan University, Shanghai 200438, P.R. China; Department of Anatomy and Neuroscience Research Institute, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, China.
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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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Viurcos-Sanabria R, Escobedo G. Immunometabolic bases of type 2 diabetes in the severity of COVID-19. World J Diabetes 2021; 12:1026-1041. [PMID: 34326952 PMCID: PMC8311488 DOI: 10.4239/wjd.v12.i7.1026] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 04/16/2021] [Accepted: 06/16/2021] [Indexed: 02/06/2023] Open
Abstract
The outbreak of coronavirus disease 2019 (COVID-19) is caused by the novel severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2). COVID-19 and type 2 diabetes (T2D) have now merged into an ongoing global syndemic that is threatening the lives of millions of people around the globe. For this reason, there is a deep need to understand the immunometabolic bases of the main etiological factors of T2D that affect the severity of COVID-19. Here, we discuss how hyperglycemia contributes to the cytokine storm commonly associated with COVID-19 by stimulating monocytes and macrophages to produce interleukin IL-1β, IL-6, and TNF-α in the airway epithelium. The main mechanisms through which hyperglycemia promotes reactive oxygen species release, inhibition of T cell activation, and neutrophil extracellular traps in the lungs of patients with severe SARS-CoV-2 infection are also studied. We further examine the molecular mechanisms by which proinflammatory cytokines induce insulin resistance, and their deleterious effects on pancreatic β-cell exhaustion in T2D patients critically ill with COVID-19. We address the effect of excess glucose on advanced glycation end product (AGE) formation and the role of AGEs in perpetuating pneumonia and acute respiratory distress syndrome. Finally, we discuss the contribution of preexisting endothelial dysfunction secondary to diabetes in the development of neutrophil trafficking, vascular leaking, and thrombotic events in patients with severe SARS-CoV-2 infection. As we outline here, T2D acts in synergy with SARS-CoV-2 infection to increase the progression, severity, and mortality of COVID-19. We think a better understanding of the T2D-related immunometabolic factors that contribute to exacerbate the severity of COVID-19 will improve our ability to identify patients with high mortality risk and prevent adverse outcomes.
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Affiliation(s)
| | - Galileo Escobedo
- Laboratorio de Proteómica, Dirección de Investigación, Hospital General de Mexico “Dr. Eduardo Liceaga”, Mexico City 06720, Mexico
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Dowey R, Iqbal A, Heller SR, Sabroe I, Prince LR. A Bittersweet Response to Infection in Diabetes; Targeting Neutrophils to Modify Inflammation and Improve Host Immunity. Front Immunol 2021; 12:678771. [PMID: 34149714 PMCID: PMC8209466 DOI: 10.3389/fimmu.2021.678771] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 05/10/2021] [Indexed: 12/16/2022] Open
Abstract
Chronic and recurrent infections occur commonly in both type 1 and type 2 diabetes (T1D, T2D) and increase patient morbidity and mortality. Neutrophils are professional phagocytes of the innate immune system that are critical in pathogen handling. Neutrophil responses to infection are dysregulated in diabetes, predominantly mediated by persistent hyperglycaemia; the chief biochemical abnormality in T1D and T2D. Therapeutically enhancing host immunity in diabetes to improve infection resolution is an expanding area of research. Individuals with diabetes are also at an increased risk of severe coronavirus disease 2019 (COVID-19), highlighting the need for re-invigorated and urgent focus on this field. The aim of this review is to explore the breadth of previous literature investigating neutrophil function in both T1D and T2D, in order to understand the complex neutrophil phenotype present in this disease and also to focus on the development of new therapies to improve aberrant neutrophil function in diabetes. Existing literature illustrates a dual neutrophil dysfunction in diabetes. Key pathogen handling mechanisms of neutrophil recruitment, chemotaxis, phagocytosis and intracellular reactive oxygen species (ROS) production are decreased in diabetes, weakening the immune response to infection. However, pro-inflammatory neutrophil pathways, mainly neutrophil extracellular trap (NET) formation, extracellular ROS generation and pro-inflammatory cytokine generation, are significantly upregulated, causing damage to the host and perpetuating inflammation. Reducing these proinflammatory outputs therapeutically is emerging as a credible strategy to improve infection resolution in diabetes, and also more recently COVID-19. Future research needs to drive forward the exploration of novel treatments to improve infection resolution in T1D and T2D to improve patient morbidity and mortality.
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Affiliation(s)
- Rebecca Dowey
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, United Kingdom
| | - Ahmed Iqbal
- Sheffield Teaching Hospitals National Health Service (NHS) Foundation Trust, Sheffield, United Kingdom
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, United Kingdom
| | - Simon R. Heller
- Sheffield Teaching Hospitals National Health Service (NHS) Foundation Trust, Sheffield, United Kingdom
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, United Kingdom
| | - Ian Sabroe
- Sheffield Teaching Hospitals National Health Service (NHS) Foundation Trust, Sheffield, United Kingdom
| | - Lynne R. Prince
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, United Kingdom
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28
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Cameron SJS, Perdones-Montero A, Van Meulebroek L, Burke A, Alexander-Hardiman K, Simon D, Schaffer R, Balog J, Karancsi T, Rickards T, Rebec M, Stead S, Vanhaecke L, Takáts Z. Sample Preparation Free Mass Spectrometry Using Laser-Assisted Rapid Evaporative Ionization Mass Spectrometry: Applications to Microbiology, Metabolic Biofluid Phenotyping, and Food Authenticity. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2021; 32:1393-1401. [PMID: 33980015 DOI: 10.1021/jasms.0c00452] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Mass spectrometry has established itself as a powerful tool in the chemical, biological, medical, environmental, and agricultural fields. However, experimental approaches and potential application areas have been limited by a traditional reliance on sample preparation, extraction, and chromatographic separation. Ambient ionization mass spectrometry methods have addressed this challenge but are still somewhat restricted in requirements for sample manipulation to make it suitable for analysis. These limitations are particularly restrictive in view of the move toward high-throughput and automated analytical workflows. To address this, we present what we consider to be the first automated sample-preparation-free mass spectrometry platform utilizing a carbon dioxide (CO2) laser for sample thermal desorption linked to the rapid evaporative ionization mass spectrometry (LA-REIMS) methodology. We show that the pulsatile operation of the CO2 laser is the primary factor in achieving high signal-to-noise ratios. We further show that the LA-REIMS automated platform is suited to the analysis of three diverse biological materials within different application areas. First, clinical microbiology isolates were classified to species level with an accuracy of 97.2%, the highest accuracy reported in current literature. Second, fecal samples from a type 2 diabetes mellitus cohort were analyzed with LA-REIMS, which allowed tentative identification of biomarkers which are potentially associated with disease pathogenesis and a disease classification accuracy of 94%. Finally, we showed the ability of the LA-REIMS system to detect instances of adulteration of cooking oil and determine the geographical area of production of three protected olive oil products with 100% classification accuracy.
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Affiliation(s)
- Simon J S Cameron
- Department of Metabolism, Digestion, and Reproduction, Imperial College London, London SW7 2AZ, U.K
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, Belfast BT9 5DL, U.K
| | - Alvaro Perdones-Montero
- Department of Metabolism, Digestion, and Reproduction, Imperial College London, London SW7 2AZ, U.K
| | - Lieven Van Meulebroek
- Laboratory of Chemical Analysis, Department of Veterinary Public Health and Food Safety, Ghent University, Ghent B-9820, Belgium
| | - Adam Burke
- Department of Metabolism, Digestion, and Reproduction, Imperial College London, London SW7 2AZ, U.K
| | - Kate Alexander-Hardiman
- Department of Metabolism, Digestion, and Reproduction, Imperial College London, London SW7 2AZ, U.K
| | - Daniel Simon
- Department of Metabolism, Digestion, and Reproduction, Imperial College London, London SW7 2AZ, U.K
- Waters Research Center, Budapest 1031, Hungary
| | | | - Julia Balog
- Waters Research Center, Budapest 1031, Hungary
| | | | - Tony Rickards
- Department of Microbiology, Imperial College Healthcare NHS Trust, London W6 8RD, U.K
| | - Monica Rebec
- Department of Microbiology, Imperial College Healthcare NHS Trust, London W6 8RD, U.K
| | - Sara Stead
- Waters Corporation, Wilmslow SK9 4AX, U.K
| | - Lynn Vanhaecke
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, Belfast BT9 5DL, U.K
- Laboratory of Chemical Analysis, Department of Veterinary Public Health and Food Safety, Ghent University, Ghent B-9820, Belgium
| | - Zoltán Takáts
- Department of Metabolism, Digestion, and Reproduction, Imperial College London, London SW7 2AZ, U.K
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, Belfast BT9 5DL, U.K
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29
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Ding J, Hostallero DE, El Khili MR, Fonseca GJ, Milette S, Noorah N, Guay-Belzile M, Spicer J, Daneshtalab N, Sirois M, Tremblay K, Emad A, Rousseau S. A network-informed analysis of SARS-CoV-2 and hemophagocytic lymphohistiocytosis genes' interactions points to Neutrophil extracellular traps as mediators of thrombosis in COVID-19. PLoS Comput Biol 2021; 17:e1008810. [PMID: 33684134 PMCID: PMC7971900 DOI: 10.1371/journal.pcbi.1008810] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Revised: 03/18/2021] [Accepted: 02/17/2021] [Indexed: 01/10/2023] Open
Abstract
Abnormal coagulation and an increased risk of thrombosis are features of severe COVID-19, with parallels proposed with hemophagocytic lymphohistiocytosis (HLH), a life-threating condition associated with hyperinflammation. The presence of HLH was described in severely ill patients during the H1N1 influenza epidemic, presenting with pulmonary vascular thrombosis. We tested the hypothesis that genes causing primary HLH regulate pathways linking pulmonary thromboembolism to the presence of SARS-CoV-2 using novel network-informed computational algorithms. This approach led to the identification of Neutrophils Extracellular Traps (NETs) as plausible mediators of vascular thrombosis in severe COVID-19 in children and adults. Taken together, the network-informed analysis led us to propose the following model: the release of NETs in response to inflammatory signals acting in concert with SARS-CoV-2 damage the endothelium and direct platelet-activation promoting abnormal coagulation leading to serious complications of COVID-19. The underlying hypothesis is that genetic and/or environmental conditions that favor the release of NETs may predispose individuals to thrombotic complications of COVID-19 due to an increase risk of abnormal coagulation. This would be a common pathogenic mechanism in conditions including autoimmune/infectious diseases, hematologic and metabolic disorders.
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Affiliation(s)
- Jun Ding
- Computational Biology Department, Carnegie Mellon University, Pittsburgh, Pennsylvania, United States of America
- The Meakins-Christie Laboratories at the Research Institute of the McGill University Heath Centre Research Institute, Montréal, Canada
| | - David Earl Hostallero
- Department of Electrical and Computer Engineering, McGill University, Montréal, Canada
| | - Mohamed Reda El Khili
- Department of Electrical and Computer Engineering, McGill University, Montréal, Canada
| | - Gregory Joseph Fonseca
- The Meakins-Christie Laboratories at the Research Institute of the McGill University Heath Centre Research Institute, Montréal, Canada
| | - Simon Milette
- Goodman Cancer Research Centre, McGill University, Montréal, Canada
| | - Nuzha Noorah
- The Meakins-Christie Laboratories at the Research Institute of the McGill University Heath Centre Research Institute, Montréal, Canada
| | - Myriam Guay-Belzile
- The Meakins-Christie Laboratories at the Research Institute of the McGill University Heath Centre Research Institute, Montréal, Canada
| | - Jonathan Spicer
- Division of Thoracic and Upper Gastrointestinal Surgery, McGill University Health Centre Research Institute, Montréal, Canada
| | - Noriko Daneshtalab
- School of Pharmacy, Memorial University of Newfoundland, St. John’s, Newfoundland, Canada
| | - Martin Sirois
- Montreal Heart Institute and Department of pharmacology and physiology, Faculty of medicine, Université de Montréal, Montréal, Canada
| | - Karine Tremblay
- Pharmacology-physiology Department, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Centre intégré universitaire de santé et de services sociaux du Saguenay-Lac-Saint-Jean (Chicoutimi University Hospital) Research Center, Saguenay, Canada
| | - Amin Emad
- Department of Electrical and Computer Engineering, McGill University, Montréal, Canada
| | - Simon Rousseau
- The Meakins-Christie Laboratories at the Research Institute of the McGill University Heath Centre Research Institute, Montréal, Canada
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30
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Walczak K, Stawski R, Perdas E, Brzezinska O, Kosielski P, Galczynski S, Budlewski T, Padula G, Nowak D. Circulating cell free DNA response to exhaustive exercise in average trained men with type I diabetes mellitus. Sci Rep 2021; 11:4639. [PMID: 33633280 PMCID: PMC7907132 DOI: 10.1038/s41598-021-84201-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Accepted: 02/09/2021] [Indexed: 12/20/2022] Open
Abstract
It is believed that neutrophils extracellular traps (NETs) formation is responsible for the increase in cf DNA after exercise. Since T1DM is accompanied by enhanced NETs generation, we compared exercise-induced increase in cf DNA in 14 men with T1DM and 11 healthy controls and analyzed its association with exercise load. Subjects performed a treadmill run to exhaustion at speed corresponding to 70% of their personal VO2max. Blood was collected before and just after exercise for determination of plasma cf nuclear and mitochondrial DNA (cf n-DNA, cf mt-DNA) by real-time PCR, blood cell count and metabolic markers. Exercise resulted in the increase in median cf n-DNA from 3.9 ng/mL to 21.0 ng/mL in T1DM group and from 3.3 ng/mL to 28.9 ng/mL in controls. Median exercise-induced increment (∆) in cf n-DNA did not differ significantly in both groups (17.8 ng/mL vs. 22.1 ng/mL, p = 0.23), but this variable correlated with run distance (r = 0.66), Δ neutrophils (r = 0.86), Δ creatinine (r = 0.65) and Δ creatine kinase (r = 0.77) only in controls. Pre- and post-exercise cf mt-DNA were not significantly different within and between groups. These suggest low usefulness of Δ cf n-DNA as a marker of exercise intensity in T1DM men.
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Affiliation(s)
- Konrad Walczak
- Department of Internal Medicine and Nephrodiabetology, Medical University of Lodz, Lodz, Poland
| | - Robert Stawski
- Department of Clinical Physiology, Medical University of Lodz, Lodz, Poland
| | - Ewelina Perdas
- Department of Clinical Physiology, Medical University of Lodz, Lodz, Poland
| | - Olga Brzezinska
- Department of Rheumatology, Medical University of Lodz, Lodz, Poland
| | - Piotr Kosielski
- Academic Laboratory of Movement and Human Physical Performance, Medical University of Lodz, Lodz, Poland
| | - Szymon Galczynski
- Academic Laboratory of Movement and Human Physical Performance, Medical University of Lodz, Lodz, Poland
| | - Tomasz Budlewski
- Department of Rheumatology, Medical University of Lodz, Lodz, Poland
| | - Gianluca Padula
- Academic Laboratory of Movement and Human Physical Performance, Medical University of Lodz, Lodz, Poland
| | - Dariusz Nowak
- Department of Clinical Physiology, Medical University of Lodz, Lodz, Poland.
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31
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Akhtar S, Sharma A. Endothelial dysfunction sustains immune response in atherosclerosis: potential cause for ineffectiveness of prevailing drugs. Int Rev Immunol 2021; 41:123-134. [PMID: 33439070 DOI: 10.1080/08830185.2020.1866568] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Vascular endothelial dysfunction (ED) forms the cornerstone in the development of atherosclerotic lesions that clinically manifest as ischemia, myocardial infarction, stroke or peripheral arterial disease. ED can be triggered by various risk factors including hypercholesterolemia, hypertension, hyperhomocystenemia and chronic low-grade inflammation. These risk factors also activate immune response systemically. Current drugs used for managing atherosclerosis not only aid in subsiding the risk factor but also suppress the immune activation. Nonetheless, their effectiveness in treating ED is still questionable. Here, we discuss how pathologic molecules and processes pertaining to ED can activate innate and adaptive arms of the immune system leading to disease progression even in the absence of cardiovascular risk factors and the potential of the current drugs, used in the management of atherosclerotic patients, in reversing them. We mainly focus on activated endothelium, endothelial microparticles, mechanically stretched endothelial cells, endothelial mesenchymal transition and endothelial glycocalyx sheds.
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Affiliation(s)
- Shamima Akhtar
- Department of Biochemistry, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Alpana Sharma
- Department of Biochemistry, All India Institute of Medical Sciences (AIIMS), New Delhi, India
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32
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Klopf J, Brostjan C, Eilenberg W, Neumayer C. Neutrophil Extracellular Traps and Their Implications in Cardiovascular and Inflammatory Disease. Int J Mol Sci 2021; 22:ijms22020559. [PMID: 33429925 PMCID: PMC7828090 DOI: 10.3390/ijms22020559] [Citation(s) in RCA: 121] [Impact Index Per Article: 40.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 01/04/2021] [Accepted: 01/07/2021] [Indexed: 02/07/2023] Open
Abstract
Neutrophils are primary effector cells of innate immunity and fight infection by phagocytosis and degranulation. Activated neutrophils also release neutrophil extracellular traps (NETs) in response to a variety of stimuli. These NETs are net-like complexes composed of cell-free DNA, histones and neutrophil granule proteins. Besides the evolutionarily conserved mechanism to capture and eliminate pathogens, NETs are also associated with pathophysiological processes of various diseases. Here, we elucidate the mechanisms of NET formation and their different implications in disease. We focused on autoinflammatory and cardiovascular disorders as the leading cause of death. Neutrophil extracellular traps are not only present in various cardiovascular diseases but play an essential role in atherosclerotic plaque formation, arterial and venous thrombosis, as well as in the development and progression of abdominal aortic aneurysms. Furthermore, NETosis can be considered as a source of autoantigens and maintains an inflammatory milieu promoting autoimmune diseases. Indeed, there is further need for research into the balance between NET induction, inhibition, and degradation in order to pharmacologically target NETs and their compounds without impairing the patient’s immune defense. This review may be of interest to both basic scientists and clinicians to stimulate translational research and innovative clinical approaches.
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33
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Marković-Boras M, Čaušević A, Ćurlin M. A relation of serum homocysteine and uric acid in Bosnian diabetic patients with acute myocardial infarction. J Med Biochem 2021; 40:261-269. [PMID: 34177370 PMCID: PMC8199414 DOI: 10.5937/jomb0-28391] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 10/10/2020] [Indexed: 12/31/2022] Open
Abstract
Background: Coronary artery disease as a consequence of atherosclerosis is the most common cause of morbidity and mortality in type 2 Diabetes Mellitus (DM) patients. Homocysteine (HCY), as one of the risk factors, and uric acid (UA) as the most common antioxidant in serum have their roles in the processes of inflammation and atherogenesis, which underlie the pathogenesis of acute myocardial infarction (AMI). The effect of HCY in cardiovascular disease is thought to be manifested primarily through oxidative damage, implying a potential correlation between the HCY level and antioxidant status. Since the data related to the diagnostic significance of both HCY and UA in diabetic patients with AMI are conflicting, and so far not reported in Bosnian patients, this research aimed to examine the association of HCY and UA levels with glomerular filtration rate (eGFR) and explore the pathophysiological significance of these data in Bosnian diabetic patients with AMI. Methods: This prospective research included 52 DM type 2 patients diagnosed with AMI. Blood samples were taken on admission and used for biochemical analysis. Results of the biochemical analyses were statistically analysed. Results: Elevated HCY and UA levels were observed in diabetic patients. Females have higher HCY compared to males. A positive correlation was revealed between HCY and UA and was confirmed with different HCY levels in subgroups with different UA level. A negative correlation was observed between UA and HbA1c, as well as between both HCY and UA with eGFR. Conclusions: These results contribute to the clarification of the biochemical mechanisms characteristic in AMI patients with DM. According to these results, we believe that joint measurement of HCY and UA could enable a better assessment of the prognosis for this group of patients. This kind of assessment, as well as regression analysis, can identify high-risk patients at an earlier stage when appropriate interventions can influence a better outcome in such patients.
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Affiliation(s)
- Marijana Marković-Boras
- University Clinical Hospital Mostar, Department of Laboratory Medicine, Mostar, Bosnia and Herzegovina
| | - Adlija Čaušević
- University of Sarajevo, Faculty of Pharmacy, Department of Biochemistry and Clinical Analysis, Sarajevo, Bosnia and Herzegovina
| | - Marina Ćurlin
- University of Mostar, Faculty of Health Studies, Mostar, Bosnia and Herzegovina
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34
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Li JH, Tong DX, Wang Y, Gao L, Liu Y, Zhang XH, Chen WJ, Chi JY, Liu N, Yang K, Wang SP, Xu Y, Li Y, Yin XH, Liu WX. Neutrophil extracellular traps exacerbate coagulation and endothelial damage in patients with essential hypertension and hyperhomocysteinemia. Thromb Res 2020; 197:36-43. [PMID: 33166900 DOI: 10.1016/j.thromres.2020.10.028] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 10/25/2020] [Accepted: 10/26/2020] [Indexed: 10/23/2022]
Abstract
Patients with essential hypertension (EH) and hyperhomocysteinemia (HHCY) suffer from more increased thrombotic events than those in EH alone. However, the underlying mechanisms for this effect are not well understood. This study hypothesized that neutrophil extracellular trap (NET) releasing may be triggered by HHCY in patients in EH, thereby predisposing them to a more hypercoagulable state. Using a modified-capture enzyme-linked immunosorbent assay (ELISA) method, we observed that cell-free DNA (CF-DNA) and myeloperoxidase DNA (MPO-DNA) in patients With EH and HHCY were significantly higher. The NET formation was also positively correlated with homocysteine levels, neutrophil-lymphocyte ratio (NLR), and hypercoagulable markers (thrombin-antithrombin complex, D-dimers). Furthermore, neutrophils from patients in EH with HHCY were found to be predisposed to amplified NET release when compared to patients in EH without HHCY or CTR. Coagulation function assays showed that NETs in patients With EH and HHCY resulted in a significantly increased ability to generate thrombin and fibrin than in those in EH without HHCY or CTR. These procoagulant effects of NETs in patients With EH and HHCY were markedly inhibited (approximately 70%) by the cleavage of NETs with DNase I. Isolated NETs from patients With EH and HHCY neutrophils also exerted a strong cytotoxic effect on endothelial cells (ECs), converted them to apoptosis. This study revealed a previously unrecognized association between the hypercoagulable state and neutrophils in patients With EH and HHCY. Therefore, blocking NETs may represent a new therapeutic objective for preventing thrombosis in these patients.
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Affiliation(s)
- Ji-He Li
- Department of Cardiology, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang Province, China
| | - Dong-Xia Tong
- Department of Oncology, Qingdao Municipal Hospital Group, Qingdao 266000, Shandong Province, China
| | - Ying Wang
- Department of Cardiology, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang Province, China
| | - Lei Gao
- Department of Cardiology, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang Province, China
| | - Yue Liu
- Department of Cardiology, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang Province, China
| | - Xiao-Hui Zhang
- Department of Cardiology, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang Province, China
| | - Wen-Jia Chen
- Department of Cardiology, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang Province, China
| | - Jin-Yv Chi
- Department of Cardiology, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang Province, China
| | - Na Liu
- Department of Cardiology, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang Province, China
| | - Kelaier Yang
- Department of Cardiology, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang Province, China
| | - Shi-Peng Wang
- Department of Cardiology, Second Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang Province, China
| | - Yang Xu
- Department of Cardiology, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang Province, China
| | - Yang Li
- Department of Cardiology, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang Province, China
| | - Xin-Hua Yin
- Department of Cardiology, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang Province, China.
| | - Wen-Xiu Liu
- Department of Cardiology, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang Province, China.
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The correlation between plasma total homocysteine level and gestational diabetes mellitus in a Chinese Han population. Sci Rep 2020; 10:18679. [PMID: 33122744 PMCID: PMC7596467 DOI: 10.1038/s41598-020-75797-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Accepted: 10/19/2020] [Indexed: 11/08/2022] Open
Abstract
To assess the correlation between plasma total homocysteine (tHcy) level and gestational diabetes mellitus (GDM) in a Chinese Han population. This case–control study included 350 GDM patients and 346 gestational week-matched normal glucose tolerance (NGT) pregnant women. Plasma tHcy and insulin levels were analyzed by HPLC and ELISA respectively. Logistic regression analysis was used to investigate the correlation between plasma tHcy level and risk of GDM. Women with GDM had a higher plasma tHcy level than NGT women (6.61 ± 1.32 vs. 6.17 ± 1.29 μmol/L, P = 0.001)). The GDM risk was 1.79 (OR = 1.79, 95% CI 1.18–2.72, P = 0.006) times higher in women whose plasma tHcy level was ≥ 7.29 μmol/L compared to women with plasma tHcy level < 5.75 μmol/L. Stratified analysis showed the GDM risk were much higher when HOMA-IR index ≥ 2 (OR = 5.42, 95% CI 2.51–11.74, P < 0.001), age ≥ 30 years (OR = 5.14, 95% CI 2.78–9.52, P < 0.001), or women with a family history of type 2 diabetes mellitus (T2DM) (OR = 4.13, 95% CI 1.78–9.56, P = 0.001). In the Chinese Han population, an elevated plasma tHcy level may increase the overall risk of GDM especially in women with a high HOMA-IR index, increasing age or with family history of T2DM.
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36
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Chang N, Wang G. Diagnostic value of combination of cranial MRI, serum homocysteine and procalcitonin for hyperbilirubinemia complicated with brain injury in neonates. Exp Ther Med 2020; 20:51. [PMID: 32952641 PMCID: PMC7480122 DOI: 10.3892/etm.2020.9179] [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: 06/07/2019] [Accepted: 04/21/2020] [Indexed: 12/01/2022] Open
Abstract
The present study aimed to explore the diagnostic value of the combination of cranial magnetic resonance imaging (MRI), serum homocysteine (HCY) and procalcitonin (PCT) for hyperbilirubinemia complicated with brain injury in neonates. One hundred and forty-nine children with hyperbilirubinemia admitted to Shandong Medical Imaging Research Institute from January 2014 to April 2016 were collected as research subjects, and were divided into a brain injury group (n=67) and a non-brain injury group (n=82) according to whether children suffered from brain injury. PCT levels were detected by electrochemiluminescence (ECL), and HCY levels by enzymatic cycling assay (ECA). The combination of cranial MRI, HCY and PCT was used to diagnose hyperbilirubinemia complicated with brain injury in neonates. The concentrations of HCY and PCT in the brain injury group were significantly higher than those in the non-brain injury group (P<0.001). According to the MRI examination results, the patients were divided into an MRI normal group and an MRI abnormal group. In the brain injury group, the serum HCY and PCT levels of the MRI abnormal group were significantly higher than those of the MRI normal group, with a statistically significant difference (P<0.05). In the non-brain injury group, the serum HCY and PCT levels of the MRI abnormal group were significantly higher than those of the MRI normal group, with a statistically significant difference (P<0.05). The sensitivity of the combined detection was significantly higher than that of single detection (P<0.05); the specificity was significantly higher than that of HCY detection (P<0.05), and the accuracy was significantly higher than that of MRI and HCY single detection (P<0.05). In conclusion, the combination of cranial MRI, HCY and PCT, which has a high diagnostic value for hyperbilirubinemia complicated with brain injury in neonates, is conducive to the early diagnosis and timely treatment of the disease and the reduction of sequelae.
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Affiliation(s)
- Na Chang
- Department of Medical Imaging, Shandong University, Jinan, Shandong 250012, P.R. China.,Department of Medical Imaging, Jinan Vocational College of Nursing, Jinan, Shandong 250102, P.R. China
| | - Guangbin Wang
- Shandong Medical Imaging Research Institute, Shandong University, Jinan, Shandong 250021, P.R. China
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Joshi MB, Ahamed R, Hegde M, Nair AS, Ramachandra L, Satyamoorthy K. Glucose induces metabolic reprogramming in neutrophils during type 2 diabetes to form constitutive extracellular traps and decreased responsiveness to lipopolysaccharides. Biochim Biophys Acta Mol Basis Dis 2020; 1866:165940. [PMID: 32827651 DOI: 10.1016/j.bbadis.2020.165940] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Revised: 07/28/2020] [Accepted: 08/17/2020] [Indexed: 02/06/2023]
Abstract
Recurrent infections are one of the common morbidities in Type 2 Diabetes (T2D) subjects. Bidirectional activation of innate immune cells such as neutrophils and glucose metabolism in T2D conditions leads to a pro-inflammatory milieu and reduced neutrophil function, which can be a potential cause for recurrent infections. In pathological conditions of sterile inflammation associated T2D, neutrophils form constitutive extracellular traps (NETs) due to hyperglycemia and respond poorly to infections. The present study was aimed at understanding the cellular and metabolic consequences, and NETs formation in T2D. We show that glucose induces NADPH oxidase derived reactive oxygen species and further citrullinates the histones to form weaker NETs leading to reduced response to lipopolysaccharide (LPS). Untargeted metabolomics analysis in neutrophils cultured under high glucose and from T2D subjects revealed enrichment of polyol pathway intermediates (1-anhydrosorbitol) and reduced glutathione metabolism products (cysteinylglycine). NADPH is an absolute requirement for three independent pathways of formation of 1-anhydrosorbitol via aldose reductase under excess glucose, induction of glutathione synthesis and glucose induced NETs formation. During T2D and in presence of high glucose, there is a competition for NADPH between these processive reactions, which leads to its insufficiency to produce NETs in response to LPS. Interestingly, supplementation of NADPH and pharmacological inhibitor of aldose reductase, ranirestat, restored NETs formation in presence of LPS. Our study provides novel insights on the metabolic reprogramming of neutrophils, which may lead to susceptibility of T2D subjects to infections.
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Affiliation(s)
- Manjunath B Joshi
- Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, India.
| | - Rayees Ahamed
- Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, India
| | - Mangala Hegde
- Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, India
| | - Aswathy S Nair
- Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, India
| | - Lingadakai Ramachandra
- Department of Surgery, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, India
| | - Kapaettu Satyamoorthy
- Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, India
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38
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Daryabor G, Atashzar MR, Kabelitz D, Meri S, Kalantar K. The Effects of Type 2 Diabetes Mellitus on Organ Metabolism and the Immune System. Front Immunol 2020; 11:1582. [PMID: 32793223 PMCID: PMC7387426 DOI: 10.3389/fimmu.2020.01582] [Citation(s) in RCA: 215] [Impact Index Per Article: 53.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Accepted: 06/15/2020] [Indexed: 12/14/2022] Open
Abstract
Metabolic abnormalities such as dyslipidemia, hyperinsulinemia, or insulin resistance and obesity play key roles in the induction and progression of type 2 diabetes mellitus (T2DM). The field of immunometabolism implies a bidirectional link between the immune system and metabolism, in which inflammation plays an essential role in the promotion of metabolic abnormalities (e.g., obesity and T2DM), and metabolic factors, in turn, regulate immune cell functions. Obesity as the main inducer of a systemic low-level inflammation is a main susceptibility factor for T2DM. Obesity-related immune cell infiltration, inflammation, and increased oxidative stress promote metabolic impairments in the insulin-sensitive tissues and finally, insulin resistance, organ failure, and premature aging occur. Hyperglycemia and the subsequent inflammation are the main causes of micro- and macroangiopathies in the circulatory system. They also promote the gut microbiota dysbiosis, increased intestinal permeability, and fatty liver disease. The impaired immune system together with metabolic imbalance also increases the susceptibility of patients to several pathogenic agents such as the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Thus, the need for a proper immunization protocol among such patients is granted. The focus of the current review is to explore metabolic and immunological abnormalities affecting several organs of T2DM patients and explain the mechanisms, whereby diabetic patients become more susceptible to infectious diseases.
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Affiliation(s)
- Gholamreza Daryabor
- Autoimmune Diseases Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohamad Reza Atashzar
- Department of Immunology, School of Medicine, Fasa University of Medical Sciences, Fasa, Iran
| | | | - Seppo Meri
- Department of Bacteriology and Immunology and the Translational Immunology Research Program (TRIMM), The University of Helsinki and HUSLAB, Helsinki University Hospital, Helsinki, Finland
| | - Kurosh Kalantar
- Department of Immunology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
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39
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DNA demethylation increases NETosis. Arch Biochem Biophys 2020; 689:108465. [PMID: 32561201 DOI: 10.1016/j.abb.2020.108465] [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: 02/02/2020] [Revised: 04/27/2020] [Accepted: 06/06/2020] [Indexed: 12/28/2022]
Abstract
Neutrophil extracellular traps (NETs) occur during the development of autoimmune diseases, cancer and diabetes. A novel form of cell death that is induced by NETs is called NETosis. Although these diseases are known to have an epigenetic component, epigenetic regulation of NETosis has not previously been explored. In the present study, we investigated the effects of epigenetic change, especially DNA demethylation, on NETosis in neutrophil-like cells differentiated from HL-60 cells, which were incubated for 72 h in the presence of 1.25% DMSO. DMSO-differentiated neutrophil-like cells tended to have increased methylation of genomic DNA. NETosis in the neutrophil-like cells was induced by the treatment with A23187, calcium ionophore, and increased by the addition of the DNMT inhibitor 5-azacytidine (Aza) during differentiation. Interestingly, Aza-stimulated neutrophil-like cell induced NETosis without treatment with A23187. Although reactive oxygen species (ROS), especially superoxide and hypochlorous acid, are important in NETosis induction, treatment with Aza decreased production of ROS, while mitochondria ROS scavenger tended to decrease Aza-induced NETosis. Moreover, the genomic DNA in Aza-stimulated neutrophil-like cell was demethylated, and the expression of peptidylarginine deiminase4 (PAD4) and citrullinated histone H3 (R2+R8+R17) was increased, but myeloperoxidase expression was unaffected. Additionally, PAD4 inhibition tended to decrease Aza-induced NETosis. The DNA demethylation induced by the DNMT inhibitor in neutrophil-like cells enhanced spontaneous NETosis through increasing PAD4 expression and histone citrullination. This study establishes a relationship between NETosis and epigenetics for the first time, and indicates that various diseases implicated to have an epigenetic component might be exacerbated by excessive NETosis also under epigenetic control.
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40
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Andreeva–Gateva PA, Mihaleva ID, Dimova II. Type 2 diabetes mellitus and cardiovascular risk; what the pharmacotherapy can change through the epigenetics. Postgrad Med 2019; 132:109-125. [DOI: 10.1080/00325481.2019.1681215] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Pavlina A. Andreeva–Gateva
- Department of Pharmacology and Toxicology, Faculty of Medicine, Medical University of Sofia, Sofia, Bulgaria
- Department of Pharmacology, Medical Faculty, Sofia University “St Kliment Ohridski”, Sofia, Bulgaria
| | - Ivelina D. Mihaleva
- Department of Pharmacology and Toxicology, Faculty of Medicine, Medical University of Sofia, Sofia, Bulgaria
| | - Ivanka I. Dimova
- Department of Medical Genetics, Faculty of Medicine, Medical University of Sofia, Sofia, Bulgaria
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41
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Glucose associated NETosis in patients with ST-elevation myocardial infarction: an observational study. BMC Cardiovasc Disord 2019; 19:221. [PMID: 31615411 PMCID: PMC6794742 DOI: 10.1186/s12872-019-1205-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Accepted: 09/24/2019] [Indexed: 01/08/2023] Open
Abstract
Background Neutrophil extracellular traps (NETs) have recently been identified as mediators in atherothrombosis. Although NETosis in general has been suggested to be glucose dependent, the transferability to patients with acute ST-elevation myocardial infarction (STEMI) is unclear. We assessed whether the NETs markers double-stranded deoxyribonucleid acid (dsDNA) and myeloperoxidase-DNA (MPO-DNA) associated with plasma glucose and the glucometabolic status in the acute phase and 3 months after a STEMI. We also explored whether an acute glucose load resulted in upregulated NETosis by assessment of peptidylarginine deiminase 4 (PAD4) gene expression. Methods In total, 224 STEMI patients were prospectively enrolled and underwent blood sampling acutely (median 16.5 h after PCI) and after 3 months. Glucometabolic status was defined based on the results of an oral glucose tolerance test (OGTT) as normal glucose regulation (NGR), impaired fasting glucose (IFG), impaired glucose tolerance (IGT) or type 2 diabetes (T2DM). dsDNA and MPO-DNA were measured in serum, while PAD4 mRNA was measured in circulating leukocytes by RT-PCR. Results dsDNA levels were significantly correlated to plasma glucose both acutely and after 3 months (r = 0.12 and r = 0.17, both p < 0.02), whereas MPO-DNA was not. No associations with the glucometabolic status were encountered for dsDNA and MPO-DNA acutely, but after 3 months dsDNA levels were elevated in patients with IFG and T2DM vs. NGR (428 vs. 371 ng/ml and 408 vs. 371 ng/ml, both p < 0.045). During the acute glucose load after 3 months, dsDNA and MPO-DNA remained unchanged while PAD4 mRNA increased significantly (RQ 0.836 vs. 0.920, p = 0.02). Conclusions In this cohort of STEMI patients, levels of dsDNA associated with plasma glucose both in the acute and stable condition. The glucometabolic status was not substantially related to the selected NETs markers, however, an acute glucose load by OGTT performed after 3 months resulted in increased PAD4 expression, suggestive of enhanced NETosis in the aftermath of STEMI. Trial registration www.clinicaltrials.gov, NCT00926133. Registered June 23, 2009.
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42
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Jia A, Zeng W, Yu L, Zeng H, Lu Z, Song Y. Very low-density lipoprotein cholesterol is associated with extent and severity of coronary artery disease in patients with type 2 diabetes mellitus. SAGE Open Med 2019; 7:2050312119871786. [PMID: 31489192 PMCID: PMC6710685 DOI: 10.1177/2050312119871786] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Accepted: 08/01/2019] [Indexed: 12/31/2022] Open
Abstract
Objective: Patients with type 2 diabetes mellitus usually have multiple cardiovascular disease risk factors. The objective of this study was to examine the severity and associated risk factors in coronary artery disease patients with type 2 diabetes mellitus. Methods: Two hundred and five coronary artery disease patients with type 2 diabetes mellitus and 205 age-, gender- and smoking-matched coronary artery disease patients without type 2 diabetes mellitus were recruited from the Department of Cardiology of our hospital. Demographic and clinical data were collected for all participants. Severity of coronary artery disease was assessed using Gensini scoring system, the number of diseased coronary arteries, and the extent of coronary stenosis. Results: Coronary artery disease patients with type 2 diabetes mellitus had higher Gensini scores (p < 0.01), more numbers of diseased coronary arteries (p < 0.001), and higher degrees of coronary stenosis (p = 0.05) than coronary artery disease patients without type 2 diabetes mellitus. The plasma levels of very low-density lipoprotein cholesterol (p < 0.001) and triglycerides (p < 0.001) were also higher in coronary artery disease patients with type 2 diabetes mellitus than in coronary artery disease patients without type 2 diabetes mellitus. In coronary artery disease patients with type 2 diabetes mellitus, very low-density lipoprotein cholesterol was positively correlated with Gensini scores (r = 0.15, p = 0.03), the number of diseased coronary arteries (r = 0.15, p = 0.04), and the extent of coronary stenosis (r = 0.14, p = 0.05) by partial correlation analysis after controlling for other lipid parameters, and independently associated with Gensini scores (beta = 0.18, p = 0.02) and the number of diseased coronary arteries (odds ratio = 2.09, p = 0.05) after adjusting for other cardiovascular risk factors in the following multiple regression analysis. Conclusion: Very low-density lipoprotein cholesterol may represent a marker for the severity of coronary artery disease and be a target for the treatment in diabetic patients. Further research is needed to determine whether very low-density lipoprotein cholesterol plays a causal role of coronary artery disease in diabetic patients.
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Affiliation(s)
- Aimei Jia
- School of Preclinical Medicine and Nanchong Key Laboratory of Metabolic Drugs and Biological Products, North Sichuan Medical College, Nanchong, People's Republic of China
| | - Wei Zeng
- Department of Cardiology, Affiliated Hospital of North Sichuan Medical College, Nanchong, People's Republic of China
| | - Liuqin Yu
- School of Pharmacy, North Sichuan Medical College, Nanchong, People's Republic of China
| | - Huirun Zeng
- School of Preclinical Medicine and Nanchong Key Laboratory of Metabolic Drugs and Biological Products, North Sichuan Medical College, Nanchong, People's Republic of China
| | - Zhan Lu
- Department of Cardiology, Affiliated Hospital of North Sichuan Medical College, Nanchong, People's Republic of China
| | - Yongyan Song
- School of Preclinical Medicine and Nanchong Key Laboratory of Metabolic Drugs and Biological Products, North Sichuan Medical College, Nanchong, People's Republic of China
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43
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Berezin A. Neutrophil extracellular traps: The core player in vascular complications of diabetes mellitus. Diabetes Metab Syndr 2019; 13:3017-3023. [PMID: 30030160 DOI: 10.1016/j.dsx.2018.07.010] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2018] [Accepted: 07/15/2018] [Indexed: 12/18/2022]
Abstract
Diabetes mellitus (DM) is the most important metabolic disease with major threat for public health and increased risk of premature death. The prevalence of DM steadily rises in developing and developed countries achieving the epidemic level. Manifestation and progression of DM corresponds to developing vasculopathies, such as retinopathy, micro- and macro angiopathies, which negatively influence on clinical outcomes and quality-of-life. Although there are remarkable differences in the prevalence of vasculopathy in various types of DM, hyperglycemia and lipotoxicity are discussed as a major factors contributing to vascular complications partly through inducing neutrophil extracellular trap (NET). The NET or NETosis is unique form of cell death, which is an important core component of innate immune system. The review is dedicated the role of NET as a link between endothelium, inflammation and thrombosis that is crucial for development of DM-induced vasculopathy. It has suggested that NET formation could be not just a target for the DM care, but also a biomarker for stratification of DM patients at higher risk of vascular complications.
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Affiliation(s)
- Alexander Berezin
- Internal Medicine Department, State Medical University for Zaporozhye, 26, Mayakovsky Av., Zaporozhye, 69035, Ukraine.
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44
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van der Spek A, Broer L, Draisma HHM, Pool R, Albrecht E, Beekman M, Mangino M, Raag M, Nyholt DR, Dharuri HK, Codd V, Amin N, de Geus EJC, Deelen J, Demirkan A, Yet I, Fischer K, Haller T, Henders AK, Isaacs A, Medland SE, Montgomery GW, Mooijaart SP, Strauch K, Suchiman HED, Vaarhorst AAM, van Heemst D, Wang-Sattler R, Whitfield JB, Willemsen G, Wright MJ, Martin NG, Samani NJ, Metspalu A, Eline Slagboom P, Spector TD, Boomsma DI, van Duijn CM, Gieger C. Metabolomics reveals a link between homocysteine and lipid metabolism and leukocyte telomere length: the ENGAGE consortium. Sci Rep 2019; 9:11623. [PMID: 31406173 PMCID: PMC6690953 DOI: 10.1038/s41598-019-47282-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Accepted: 06/26/2019] [Indexed: 01/03/2023] Open
Abstract
Telomere shortening has been associated with multiple age-related diseases such as cardiovascular disease, diabetes, and dementia. However, the biological mechanisms responsible for these associations remain largely unknown. In order to gain insight into the metabolic processes driving the association of leukocyte telomere length (LTL) with age-related diseases, we investigated the association between LTL and serum metabolite levels in 7,853 individuals from seven independent cohorts. LTL was determined by quantitative polymerase chain reaction and the levels of 131 serum metabolites were measured with mass spectrometry in biological samples from the same blood draw. With partial correlation analysis, we identified six metabolites that were significantly associated with LTL after adjustment for multiple testing: lysophosphatidylcholine acyl C17:0 (lysoPC a C17:0, p-value = 7.1 × 10−6), methionine (p-value = 9.2 × 10−5), tyrosine (p-value = 2.1 × 10−4), phosphatidylcholine diacyl C32:1 (PC aa C32:1, p-value = 2.4 × 10−4), hydroxypropionylcarnitine (C3-OH, p-value = 2.6 × 10−4), and phosphatidylcholine acyl-alkyl C38:4 (PC ae C38:4, p-value = 9.0 × 10−4). Pathway analysis showed that the three phosphatidylcholines and methionine are involved in homocysteine metabolism and we found supporting evidence for an association of lipid metabolism with LTL. In conclusion, we found longer LTL associated with higher levels of lysoPC a C17:0 and PC ae C38:4, and with lower levels of methionine, tyrosine, PC aa C32:1, and C3-OH. These metabolites have been implicated in inflammation, oxidative stress, homocysteine metabolism, and in cardiovascular disease and diabetes, two major drivers of morbidity and mortality.
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Affiliation(s)
- Ashley van der Spek
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Linda Broer
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands.,Department of Internal Medicine, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Harmen H M Draisma
- Department of Biological Psychology, VU University Amsterdam, Amsterdam, The Netherlands.,Amsterdam Public Health research institute, Amsterdam University Medical Centers, Amsterdam, The Netherlands.,Section of Genomics of Common Disease, Imperial College London, Burlington Danes Building Room E301, Du Cane Road, London, W12 0NN, UK
| | - René Pool
- Department of Biological Psychology, VU University Amsterdam, Amsterdam, The Netherlands.,Amsterdam Public Health research institute, Amsterdam University Medical Centers, Amsterdam, The Netherlands.,BBMRI-NL: Infrastructure for the Application of Metabolomics Technology in Epidemiology (RP4), Utrecht, The Netherlands
| | - Eva Albrecht
- Institute of Genetic Epidemiology, Helmholtz Zentrum München - German Research Center for Environmental Health, Neuherberg, Germany
| | - Marian Beekman
- Molecular Epidemiology, Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, The Netherlands
| | - Massimo Mangino
- Department of Twin Research and Genetic Epidemiology, King's College London, London, UK.,NIHR Biomedical Research Centre at Guy's and St Thomas' Foundation Trust, London, SE1 9RT, UK
| | - Mait Raag
- Institute of Family Medicine and Public Health, University of Tartu, Tartu, Estonia
| | - Dale R Nyholt
- School of Biomedical Sciences, Faculty of Health, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD, Australia
| | - Harish K Dharuri
- Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands
| | - Veryan Codd
- Department of Cardiovascular Sciences, University of Leicester and NIHR Leicester Biomedical Research Centre, Glenfield Hospital, Leicester, UK
| | - Najaf Amin
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Eco J C de Geus
- Department of Biological Psychology, VU University Amsterdam, Amsterdam, The Netherlands.,Amsterdam Public Health research institute, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Joris Deelen
- Molecular Epidemiology, Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, The Netherlands.,Max Planck Institute for Biology of Ageing, Cologne, Germany
| | - Ayse Demirkan
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands.,Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands
| | - Idil Yet
- Department of Twin Research and Genetic Epidemiology, King's College London, London, UK.,Department of Bioinformatics, Institute of Health Sciences, Hacettepe University, 06100, Ankara, Turkey
| | - Krista Fischer
- Estonian Genome Center, Institute of Genomics, University of Tartu, Tartu, Estonia.,Institute of Mathematics and Statistics, University of Tartu, Tartu, Estonia
| | - Toomas Haller
- Estonian Genome Center, Institute of Genomics, University of Tartu, Tartu, Estonia
| | - Anjali K Henders
- The Institute for Molecular Biosciences, The University of Queensland, Brisbane, Australia
| | - Aaron Isaacs
- CARIM School for Cardiovascular Diseases, Maastricht Centre for Systems Biology (MaCSBio), and Department of Biochemistry, Maastricht University, Maastricht, The Netherlands
| | - Sarah E Medland
- QIMR Berghofer Medical Research Institute, Brisbane, Australia
| | | | - Simon P Mooijaart
- Department of Gerontology and Geriatrics, Leiden University Medical Center, Leiden, The Netherlands
| | - Konstantin Strauch
- Institute of Genetic Epidemiology, Helmholtz Zentrum München - German Research Center for Environmental Health, Neuherberg, Germany.,Chair of Genetic Epidemiology, IBE, Faculty of Medicine, LMU Munich, Germany
| | - H Eka D Suchiman
- Molecular Epidemiology, Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, The Netherlands
| | - Anika A M Vaarhorst
- Molecular Epidemiology, Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, The Netherlands
| | - Diana van Heemst
- Department of Gerontology and Geriatrics, Leiden University Medical Center, Leiden, The Netherlands
| | - Rui Wang-Sattler
- Research Unit of Molecular Epidemiology, Helmholtz Zentrum München - German Research Center for Environmental Health, Neuherberg, Germany
| | | | - Gonneke Willemsen
- Department of Biological Psychology, VU University Amsterdam, Amsterdam, The Netherlands.,Amsterdam Public Health research institute, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Margaret J Wright
- Queensland Brain Institute, The University of Queensland, Brisbane, Australia
| | | | - Nilesh J Samani
- Department of Cardiovascular Sciences, University of Leicester and NIHR Leicester Biomedical Research Centre, Glenfield Hospital, Leicester, UK
| | - Andres Metspalu
- Estonian Genome Center, Institute of Genomics, University of Tartu, Tartu, Estonia
| | - P Eline Slagboom
- Molecular Epidemiology, Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, The Netherlands
| | - Tim D Spector
- Department of Twin Research and Genetic Epidemiology, King's College London, London, UK
| | - Dorret I Boomsma
- Department of Biological Psychology, VU University Amsterdam, Amsterdam, The Netherlands.,Amsterdam Public Health research institute, Amsterdam University Medical Centers, Amsterdam, The Netherlands.,BBMRI-NL: Infrastructure for the Application of Metabolomics Technology in Epidemiology (RP4), Utrecht, The Netherlands
| | - Cornelia M van Duijn
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands. .,Leiden Academic Centre for Drug Research, Leiden University, Leiden, Netherlands. .,Nuffield Department of Population Health, University of Oxford, Oxford, UK.
| | - Christian Gieger
- Institute of Genetic Epidemiology, Helmholtz Zentrum München - German Research Center for Environmental Health, Neuherberg, Germany
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45
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Vardon-Bounes F, Ruiz S, Gratacap MP, Garcia C, Payrastre B, Minville V. Platelets Are Critical Key Players in Sepsis. Int J Mol Sci 2019; 20:ijms20143494. [PMID: 31315248 PMCID: PMC6679237 DOI: 10.3390/ijms20143494] [Citation(s) in RCA: 87] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 07/07/2019] [Accepted: 07/08/2019] [Indexed: 01/13/2023] Open
Abstract
Host defense against infection is based on two crucial mechanisms: the inflammatory response and the activation of coagulation. Platelets are involved in both hemostasis and immune response. These mechanisms work together in a complex and synchronous manner making the contribution of platelets of major importance in sepsis. This is a summary of the pathophysiology of sepsis-induced thrombocytopenia, microvascular consequences, platelet-endothelial cells and platelet–pathogens interactions. The critical role of platelets during sepsis and the therapeutic implications are also reviewed.
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Affiliation(s)
- Fanny Vardon-Bounes
- Anesthesiology and Critical Care Unit, Toulouse University Hospital, 31059 Toulouse, France.
- INSERM I2MC (Institut des Maladies Cardiovasculaires et Métaboliques) UMR 1048, Toulouse University Hospital, 31059 Toulouse, France.
| | - Stéphanie Ruiz
- Anesthesiology and Critical Care Unit, Toulouse University Hospital, 31059 Toulouse, France
| | - Marie-Pierre Gratacap
- INSERM I2MC (Institut des Maladies Cardiovasculaires et Métaboliques) UMR 1048, Toulouse University Hospital, 31059 Toulouse, France
| | - Cédric Garcia
- Hematology Laboratory, Toulouse University Hospital, 31059 Toulouse, France
| | - Bernard Payrastre
- INSERM I2MC (Institut des Maladies Cardiovasculaires et Métaboliques) UMR 1048, Toulouse University Hospital, 31059 Toulouse, France
- Hematology Laboratory, Toulouse University Hospital, 31059 Toulouse, France
| | - Vincent Minville
- Anesthesiology and Critical Care Unit, Toulouse University Hospital, 31059 Toulouse, France
- INSERM I2MC (Institut des Maladies Cardiovasculaires et Métaboliques) UMR 1048, Toulouse University Hospital, 31059 Toulouse, France
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46
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ZHANG J, JIANG Z, WEI W, LI X, SUN C, ZHANG Y, FU S, ZHENG J. Target Elimination-Denatured and Unstable Proteins, Environmental Toxins, Metabolic Wastes, Immunosuppressive Factors and Chronic Inflammatory Factors of Medical System for Chronic Diseases Prevention and Health Promotion: A Narrative Review. IRANIAN JOURNAL OF PUBLIC HEALTH 2019; 48:994-1003. [PMID: 31341840 PMCID: PMC6635331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
BACKGROUND The incidence of chronic diseases, such as cardiovascular disease, diabetes, overweight, obesity, cancer and other diseases has been increasing. It is a huge challenge to public health industry about how to provide risk intervention and preventive medical services and explore advanced technology platform for effective prevention and control of chronic diseases. METHODS We collaborated domestic and international experts on preventive medicine, and analyzed pathogenesis and risk factors for the major chronic diseases. RESULTS We established Target Elimination--denatured and unstable proteins, environmental toxins, metabolic wastes, immunosuppressive factors and chronic inflammatory factor (TE-PEMIC) system that offer us the standard and methods to eliminate and intervene pathogenic factors of the chronic diseases. CONCLUSION It provides new researches and exploring new ideas to prevent and intervene chronic diseases by applying the TE-PEMIC chronic diseases prevention medical technology system.
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Affiliation(s)
- Jiren ZHANG
- Guangdong Institute of Target Tumor Intervention and Prevention, Qingyuan, China,Corresponding Author:
| | - Zhaojing JIANG
- Department of Radiation Oncology, Zhujiang Hospital, Sourthern Medical University, Guangzhou, China
| | - Wenjuan WEI
- Guangdong Institute of Target Tumor Intervention and Prevention, Qingyuan, China
| | - Xufeng LI
- Guangdong Institute of Target Tumor Intervention and Prevention, Qingyuan, China, Institute of Economics, School of Social Sciences, Tsinghua University, Beijing, China
| | - Chen SUN
- Guangdong Institute of Target Tumor Intervention and Prevention, Qingyuan, China
| | - Yuanyuan ZHANG
- Guangdong Institute of Target Tumor Intervention and Prevention, Qingyuan, China
| | - Shilin FU
- Guangdong Institute of Target Tumor Intervention and Prevention, Qingyuan, China
| | - Jingfen ZHENG
- Guangdong Institute of Target Tumor Intervention and Prevention, Qingyuan, China
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47
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Perdomo J, Leung HHL, Ahmadi Z, Yan F, Chong JJH, Passam FH, Chong BH. Neutrophil activation and NETosis are the major drivers of thrombosis in heparin-induced thrombocytopenia. Nat Commun 2019; 10:1322. [PMID: 30899022 PMCID: PMC6428879 DOI: 10.1038/s41467-019-09160-7] [Citation(s) in RCA: 268] [Impact Index Per Article: 53.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Accepted: 02/21/2019] [Indexed: 01/15/2023] Open
Abstract
Heparin-induced thrombocytopenia/thrombosis (HIT) is a serious immune reaction to heparins, characterized by thrombocytopenia and often severe thrombosis with high morbidity and mortality. HIT is mediated by IgG antibodies against heparin/platelet factor 4 antigenic complexes. These complexes are thought to activate platelets leading to thrombocytopenia and thrombosis. Here we show that HIT immune complexes induce NETosis via interaction with FcγRIIa on neutrophils and through neutrophil-platelet association. HIT immune complexes induce formation of thrombi containing neutrophils, extracellular DNA, citrullinated histone H3 and platelets in a microfluidics system and in vivo, while neutrophil depletion abolishes thrombus formation. Absence of PAD4 or PAD4 inhibition with GSK484 abrogates thrombus formation but not thrombocytopenia, suggesting they are induced by separate mechanisms. NETs markers and neutrophils undergoing NETosis are present in HIT patients. Our findings demonstrating the involvement of NETosis in thrombosis will modify the current concept of HIT pathogenesis and may lead to new therapeutic strategies. The pathogenesis of heparin-induced thrombocytopenia and thrombosis (HIT) is mediated by heparin-reactive autoantibodies binding to platelets (thrombocytes). Here the authors show neutrophil activation and NETosis are elevated in patients with HIT, and are essential for thrombosis in HIT mouse models.
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Affiliation(s)
- José Perdomo
- Haematology Research Unit, St George and Sutherland Clinical School, Faculty of Medicine, University of New South Wales, Sydney, NSW, Australia
| | - Halina H L Leung
- Haematology Research Unit, St George and Sutherland Clinical School, Faculty of Medicine, University of New South Wales, Sydney, NSW, Australia
| | - Zohra Ahmadi
- Haematology Research Unit, St George and Sutherland Clinical School, Faculty of Medicine, University of New South Wales, Sydney, NSW, Australia
| | - Feng Yan
- Haematology Research Unit, St George and Sutherland Clinical School, Faculty of Medicine, University of New South Wales, Sydney, NSW, Australia
| | - James J H Chong
- Sydney Medical School, The University of Sydney, Sydney, NSW, Australia.,Centre for Heart Research, Westmead Institute for Medical Research, The University of Sydney, Sydney, NSW, Australia.,Department of Cardiology, Westmead Hospital, Sydney, NSW, Australia.,Victor Chang Cardiac Research Institute, Darlinghurst, NSW, Australia
| | - Freda H Passam
- Haematology Research Unit, St George and Sutherland Clinical School, Faculty of Medicine, University of New South Wales, Sydney, NSW, Australia
| | - Beng H Chong
- Haematology Research Unit, St George and Sutherland Clinical School, Faculty of Medicine, University of New South Wales, Sydney, NSW, Australia. .,New South Wales Health Pathology, St George and Sutherland Hospitals, Sydney, NSW, Australia.
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48
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Nebu J, Anjali Devi JS, Aparna RS, Aswathy B, Lekha GM, Sony G. Potassium triiodide-quenched gold nanocluster as a fluorescent turn-on probe for sensing cysteine/homocysteine in human serum. Anal Bioanal Chem 2019; 411:997-1007. [DOI: 10.1007/s00216-018-1511-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Revised: 11/07/2018] [Accepted: 11/22/2018] [Indexed: 11/29/2022]
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49
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Wong SL, Wagner DD. Peptidylarginine deiminase 4: a nuclear button triggering neutrophil extracellular traps in inflammatory diseases and aging. FASEB J 2018; 32:fj201800691R. [PMID: 29924943 PMCID: PMC6219837 DOI: 10.1096/fj.201800691r] [Citation(s) in RCA: 88] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Accepted: 06/04/2018] [Indexed: 12/17/2022]
Abstract
Peptidylarginine deiminase 4 (PAD4) is a nuclear citrullinating enzyme that is critically involved in the release of decondensed chromatin from neutrophils as neutrophil extracellular traps (NETs). NETs, together with fibrin, are implicated in host defense against pathogens; however, the formation of NETs (NETosis) has injurious effects that may outweigh their protective role. For example, PAD4 activity produces citrullinated neoantigens that promote autoimmune diseases, such as rheumatoid arthritis, to which PAD4 is genetically linked and where NETosis is prominent. NETs are also generated in basic sterile inflammatory responses that are induced by many inflammatory stimuli, including cytokines, hypoxia, and activated platelets. Mice that lack PAD4-deficient in NETosis-serve as an excellent tool with which to study the importance of NETs in disease models. In recent years, animal and human studies have demonstrated that NETs contribute to the etiology and propagation of many common noninfectious diseases, the focus of our review. We will discuss the role of NETs in thrombotic and cardiovascular disease, the induction of NETs by cancers and its implications for cancer progression and cancer-associated thrombosis, and elevated NETosis in diabetes and its negative impact on wound healing, and will propose a link between PAD4/NETs and age-related organ fibrosis. We identify unresolved issues and new research directions.-Wong, S. L., Wagner, D. D. Peptidylarginine deiminase 4: a nuclear button triggering neutrophil extracellular traps in inflammatory diseases and aging.
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Affiliation(s)
- Siu Ling Wong
- Program in Cellular and Molecular Medicine, Boston Children’s Hospital, Boston, Massachusetts, USA
- Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA
| | - Denisa D. Wagner
- Program in Cellular and Molecular Medicine, Boston Children’s Hospital, Boston, Massachusetts, USA
- Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA
- Division of Hematology/Oncology, Boston Children’s Hospital, Boston, Massachusetts, USA
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50
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Xiao F, Jiang Y, Wang X, Jiang W, Wang L, Zhuang X, Zheng C, Ni Y, Chen L. NETosis may play a role in the pathogenesis of Hashimoto's thyroiditis. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2018; 11:537-547. [PMID: 31938139 PMCID: PMC6958043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Accepted: 12/27/2017] [Indexed: 06/10/2023]
Abstract
Neutrophil extracellular traps (NETs) are shown to play important roles in the progression or development of systemic autoimmune diseases. However, implication of NETs or NETosis in the pathogenesis of non-systemic autoimmune diseases such as Hashimoto's thyroiditis (HT), a chronic inflammatory organ-specific autoimmune disease, has not been previously reported. In the present study, our results demonstrate that the concentration of NET products, neutrophil elastase (NE) and proteinase 3 (PR3) in plasma, are significantly higher in the patients with HT than in healthy controls, respectively. In addition, PR3 concentration in plasma was positively associated with the titers of autoantibodies against thyroglobulin (TGAb) and thyroid peroxidase (TPOAb) in serum, respectively. Consistently, NETosis was more markedly induced in neutrophils derived from the HT patients than controls. Concomitantly, IL-6 production in the NETosis induction system in the neutrophils from the patients was significantly higher than those in controls. Moreover, serum from HT patients but not healthy controls induced more pronounced NETosis in neutrophils. Meanwhile, our immuno-fluorescence staining results showed that NETs from the HT patients contained autoantigens. These findings together indicate roles for NETs and/or NETosis in autoantibody generation as well as pathogenesis of HT. Therefore, the underlying mechanisms of NETs in the pathogenesis of HT warrant further study.
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Affiliation(s)
- Fang Xiao
- Department of Health Care and Geriatrics, The Second Hospital of Shandong UniversityJinan, Shandong, PR China
| | - Yang Jiang
- Department of Hematology, The Second Hospital, Institute of Biotherapy for Hematological Malignancies, Shandong UniversityJinan, Shandong, PR China
| | - Xiaohong Wang
- Department of Health Care and Geriatrics, The Second Hospital of Shandong UniversityJinan, Shandong, PR China
| | - Weidong Jiang
- Department of Health Care and Geriatrics, The Second Hospital of Shandong UniversityJinan, Shandong, PR China
| | - Lin Wang
- Department of Health Care and Geriatrics, The Second Hospital of Shandong UniversityJinan, Shandong, PR China
| | - Xianghua Zhuang
- Department of Endocrinology and Metabolism, The Second Hospital of Shandong UniversityJinan, Shandong, PR China
| | - Chengyun Zheng
- Department of Hematology, The Second Hospital, Institute of Biotherapy for Hematological Malignancies, Shandong UniversityJinan, Shandong, PR China
| | - Yihong Ni
- Department of Endocrinology and Metabolism, The Second Hospital of Shandong UniversityJinan, Shandong, PR China
| | - Li Chen
- Department of Endocrinology and Metabolism, Qilu Hospital of Shandong UniversityJinan, Shandong, PR China
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