1
|
Sharma S, Kumari B, Ali A, Patel PK, Sharma AK, Nair R, Singh PK, Hajela K. Mannose-binding lectin gene 2 variant DD (rs 5030737) is associated with susceptibility to COVID-19 infection in the urban population of Patna City (India). Mol Genet Genomics 2023; 298:955-963. [PMID: 37204457 PMCID: PMC10196310 DOI: 10.1007/s00438-023-02030-4] [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: 11/03/2021] [Accepted: 05/03/2023] [Indexed: 05/20/2023]
Abstract
The study aimed to measure plasma levels of Mannose-Binding Lectin (MBL) and MBL-associated serine protease-2 (MASP-2) and their polymorphisms in COVID-19 patients and controls to detect association. As MBL is a protein of immunological importance, it may contribute to the first-line host defence against SARS-CoV-2. MBL initiates the lectin pathway of complement activation with help of MASP-1 and MASP-2. Hence, appropriate serum levels of MBL and MASPs are crucial in getting protection from the disease. The polymorphisms of MBL and MASP genes affect their plasma levels, impacting their protective function and thus may manifest susceptibility, extreme variability in the clinical symptoms and progression of COVID-19 disease. The present study was conducted to find plasma levels and genetic variations in MBL and MASP-2 in COVID-19 patients and controls using PCR-RFLP and ELISA, respectively.The present study was conducted to find plasma levels and genetic variations in MBL and MASP-2 in COVID-19 patients and controls using PCR-RFLP and ELISA, respectively. Our results indicate that median serum levels of MBL and MASP-2 were significantly low in diseased cases but attained normal levels on recovery. Only genotype DD was found to be associated with COVID-19 cases in the urban population of Patna city.
Collapse
Affiliation(s)
- Sadhana Sharma
- Department of Biochemistry, All India Institute of Medical Sciences, Patna, 801507, Bihar, India.
| | - Bandana Kumari
- Department of Biochemistry, All India Institute of Medical Sciences, Patna, 801507, Bihar, India
| | - Asgar Ali
- Department of Biochemistry, All India Institute of Medical Sciences, Patna, 801507, Bihar, India
| | - Pankaj Kumar Patel
- Department of Botany, SBN Government PG College, Barwani, 451551, MP, India
| | - Abhay Kumar Sharma
- Department of Biochemistry, All India Institute of Medical Sciences, Patna, 801507, Bihar, India
| | - Rathish Nair
- College of Nursing, All India Institute of Medical Sciences, Patna, 801507, Bihar, India
| | | | - Krishnan Hajela
- School of Life Sciences, Devi Ahilya Vishwavidyalaya, Indore, 452014, MP, India
| |
Collapse
|
2
|
Götz MP, Skjoedt MO, Bayarri-Olmos R, Hansen CB, Pérez-Alós L, Jarlhelt I, Benfield T, Rosbjerg A, Garred P. Lectin Pathway Enzyme MASP-2 and Downstream Complement Activation in COVID-19. J Innate Immun 2022; 15:122-135. [PMID: 35816998 PMCID: PMC10643890 DOI: 10.1159/000525508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 06/05/2022] [Indexed: 12/15/2022] Open
Abstract
Mannose-binding lectin-associated serine protease 2 (MASP-2) is the main activator of the lectin complement pathway and has been suggested to be involved in the pathophysiology of coronavirus disease 2019 (COVID-19). To study a possible association between MASP-2 and COVID-19, we aimed at developing a sensitive and reliable MASP-2 ELISA. From an array of novel mouse-monoclonal antibodies using recombinant MASP-2 as antigen, two clones were selected to create a sandwich ELISA. Plasma samples were obtained from 216 healthy controls, 347 convalescent COVID-19 patients, and 147 prospectively followed COVID-19 patients. The assay was specific towards MASP-2 and did not recognize the truncated MASP2 splice variant MAP-2 (MAp19). The limit of quantification was shown to be 0.1 ng/mL. MASP-2 concentration was found to be stable after multiple freeze-thaw cycles. In healthy controls, the mean MASP-2 concentration was 524 ng/mL (95% CI: 496.5-551.6). No significant difference was found in the MASP-2 concentrations between COVID-19 convalescent samples and controls. However, a significant increase was observed in prospectively followed COVID-19 patients (mean: 834 ng/mL [95% CI: 765.3-902.7, p < 0.0001]). In these patients, MASP-2 concentration correlated significantly with the concentrations of the terminal complement complex (ρ = 0.3596, p < 0.0001), with the lectin pathway pattern recognition molecules ficolin-2 (ρ = 0.2906, p = 0.0004) and ficolin-3 (ρ = 0.3952, p < 0.0001) and with C-reactive protein (ρ = 0.3292, p = 0.0002). Overall, we developed a specific quantitative MASP-2 sandwich ELISA. MASP-2 correlated with complement activation and inflammatory markers in COVID-19 patients, underscoring a possible role of MASP-2 in COVID-19 pathophysiology.
Collapse
Affiliation(s)
- Maximilian Peter Götz
- Laboratory of Molecular Medicine, Department of Clinical Immunology, Section 7631, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark,
| | - Mikkel-Ole Skjoedt
- Laboratory of Molecular Medicine, Department of Clinical Immunology, Section 7631, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
- Department of Immunology and Microbiology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Rafael Bayarri-Olmos
- Laboratory of Molecular Medicine, Department of Clinical Immunology, Section 7631, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
| | - Cecilie Bo Hansen
- Laboratory of Molecular Medicine, Department of Clinical Immunology, Section 7631, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
| | - Laura Pérez-Alós
- Laboratory of Molecular Medicine, Department of Clinical Immunology, Section 7631, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
| | - Ida Jarlhelt
- Laboratory of Molecular Medicine, Department of Clinical Immunology, Section 7631, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
| | - Thomas Benfield
- Department of Infectious Diseases, Copenhagen University Hospital - Amager and Hvidovre, Hvidovre, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Anne Rosbjerg
- Laboratory of Molecular Medicine, Department of Clinical Immunology, Section 7631, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
- Department of Immunology and Microbiology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Peter Garred
- Laboratory of Molecular Medicine, Department of Clinical Immunology, Section 7631, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| |
Collapse
|
3
|
Genetic predisposition of alopecia areata in jordanians: A case-control study. Heliyon 2022; 8:e09184. [PMID: 35392398 PMCID: PMC8980757 DOI: 10.1016/j.heliyon.2022.e09184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 11/30/2021] [Accepted: 03/17/2022] [Indexed: 11/29/2022] Open
Abstract
Alopecia areata (AA) is a common non-scarring hair loss disease of defined patterns with varied patches size and body sites. The etiology of AA has a complex basis of autoimmunity, environment, and genetic variations. The latter factor is found to play a crucial role in AA risk. Thus, this study aimed to investigate the potential impact of specific immune-related gene polymorphisms among a cohort of Jordanian patients, which was previously reported in other populations. Blood samples of AA patients and control subjects were collected for genomic DNA (gDNA) extraction. Targeted single nucleotide polymorphisms (SNPs) of MASP2, TLR1, CTLA4, and C11orf30 were genotyped in duplicate using the Sequenom MassARRAY® system (iPLEX GOLD). Genotype and allele analysis reveals statistical differences in TLR1 rs4833095 (allele C, P = 0.044), MASP2 rs2273346 (genotype AA, P = 0.0026), and C11orf30 rs2155219 (genotype GG, P = 0.0069) distribution. These findings present the significant contribution of genetic variations in AA susceptibility in the Jordanian population, which is infrequently studied.
Collapse
|
4
|
Knight V, Heimall JR, Chong H, Nandiwada SL, Chen K, Lawrence MG, Sadighi Akha AA, Kumánovics A, Jyonouchi S, Ngo SY, Vinh DC, Hagin D, Forbes Satter LR, Marsh RA, Chiang SCC, Willrich MAV, Frazer-Abel AA, Rider NL. A Toolkit and Framework for Optimal Laboratory Evaluation of Individuals with Suspected Primary Immunodeficiency. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE 2021; 9:3293-3307.e6. [PMID: 34033983 DOI: 10.1016/j.jaip.2021.05.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 05/05/2021] [Accepted: 05/05/2021] [Indexed: 12/27/2022]
Abstract
Knowledge related to the biology of inborn errors of immunity and associated laboratory testing methods continues to expand at a tremendous rate. Despite this, many patients with inborn errors of immunity suffer for prolonged periods of time before identification of their underlying condition, thereby delaying appropriate care. Understanding that test selection and optimal evaluation for patients with recurrent infections or unusual patterns of inflammation can be unclear, we present a document that distills relevant clinical features of immunologic disease due to inborn errors of immunity and related appropriate and available test options. This document is intended to serve the practicing clinical immunologist and, in turn, patients by describing best available test options for initial and expanded immunologic evaluations across the disease spectrum. Our goal is to demystify the process of evaluating patients with suspected immune dysfunction and to enable more rapid and accurate diagnosis of such individuals.
Collapse
Affiliation(s)
- Vijaya Knight
- Department of Pediatrics, Section of Allergy and Immunology, University of Colorado School of Medicine, Aurora, Colo
| | - Jennifer R Heimall
- Division of Allergy and Immunology, Children's Hospital of Philadelphia, Perlman School of Medicine at University of Pennsylvania, Philadelphia, Pa
| | - Hey Chong
- Division of Pulmonary Medicine, Allergy and Immunology, Department of Pediatrics, Children's Hospital of Pittsburgh of UPMC, Pa
| | - Sarada L Nandiwada
- The Texas Children's Hospital, Section of Immunology, Allergy and Retrovirology, The Baylor College of Medicine and the William T. Shearer Center for Human Immunobiology, Houston, Tex
| | - Karin Chen
- Department of Immunology, University of Washington and Seattle Children's Hospital, Seattle, Wash
| | - Monica G Lawrence
- Division of Asthma, Allergy and Clinical Immunology, University of Virginia, Charlottesville, Va
| | - Amir A Sadighi Akha
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minn
| | - Attila Kumánovics
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minn
| | - Soma Jyonouchi
- Division of Allergy and Immunology, Children's Hospital of Philadelphia, Perlman School of Medicine at University of Pennsylvania, Philadelphia, Pa
| | - Suzanne Y Ngo
- Department of Pediatrics, Section of Allergy and Immunology, University of Colorado School of Medicine, Aurora, Colo
| | - Donald C Vinh
- Division of Infectious Diseases, Allergy & Clinical Immunology, Department of Medical Microbiology and Human Genetics, Department of Medicine, McGill University Health Centre, Montreal, Quebec, Canada
| | - David Hagin
- Allergy and Clinical Immunology Unit, Department of Medicine, Tel Aviv Sourasky Medical Center and Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Lisa R Forbes Satter
- The Texas Children's Hospital, Section of Immunology, Allergy and Retrovirology, The Baylor College of Medicine and the William T. Shearer Center for Human Immunobiology, Houston, Tex
| | - Rebecca A Marsh
- Division of Bone Marrow Transplantation and Immune Deficiency, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; Department of Pediatrics, University of Cincinnati, Cincinnati, Ohio
| | - Samuel C C Chiang
- Division of Bone Marrow Transplantation and Immune Deficiency, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; Department of Pediatrics, University of Cincinnati, Cincinnati, Ohio
| | - Maria A V Willrich
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minn
| | - Ashley A Frazer-Abel
- Division of Rheumatology, Department of Medicine, University of Colorado School of Medicine, Aurora, Colo
| | - Nicholas L Rider
- The Texas Children's Hospital, Section of Immunology, Allergy and Retrovirology, The Baylor College of Medicine and the William T. Shearer Center for Human Immunobiology, Houston, Tex.
| |
Collapse
|
5
|
Xu WD, Liu XY, Su LC, Huang AF. Association of MASP2 levels and MASP2 gene polymorphisms with systemic lupus erythematosus. J Cell Mol Med 2020; 24:10432-10443. [PMID: 32677764 PMCID: PMC7521335 DOI: 10.1111/jcmm.15656] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Revised: 06/25/2020] [Accepted: 06/30/2020] [Indexed: 12/25/2022] Open
Abstract
Systemic lupus erythematosus (SLE) is a chronic inflammatory autoimmune disorder. MASP2 is a mediator that plays an important role in complement system. As dysregulation of the complement system has been demonstrated to correlate with SLE pathogenesis, the role of MASP2 in lupus has not been widely discussed. In the present study, serum levels of MASP2 were evaluated in 61 lupus patients and 98 healthy controls by training cohort, and then a validation cohort including 100 lupus, 100 rheumatoid arthritis, 100 osteoarthritis, 100 gout, 44 Sjogren's syndrome, 41 ankylosing spondylitis patients confirmed the findings. Receiver operating characteristic (ROC) curve analysis determined the discriminatory capacity for serum MASP2. PCR methods tested the association of MASP2 gene polymorphisms (rs7548659, rs17409276, rs2273346, rs1782455 and rs6695096) and SLE risk. Impact of polymorphism on MASP2 serum levels was evaluated as well. Results showed that serum levels of MASP2 were significantly higher in lupus patients and correlated with some clinical, laboratory characteristics in the training cohort, and were much higher as compared to that in different rheumatic diseases patients in the validation cohort. Serum MASP2 showed a good diagnostic ability for lupus. Genotype frequencies and allele frequency of polymorphisms rs7548659, rs2273346 were strongly related to SLE risk, and genotypes of rs17409276, rs1782455, rs76695096 were significantly correlated with lupus genetic susceptibility. Interestingly, patients carrying GA genotype of rs17409276, TT, TC genotype of rs6695096 showed higher levels of serum MASP2. The findings suggested that MASP2 may be a potential disease marker for lupus, and correlate with SLE pathogenesis.
Collapse
Affiliation(s)
- Wang-Dong Xu
- Department of Evidence-Based Medicine, Southwest Medical University, Luzhou, China
| | - Xiao-Yan Liu
- Department of Evidence-Based Medicine, Southwest Medical University, Luzhou, China
| | - Lin-Chong Su
- Department of Rheumatology and Immunology, Hubei Minzu University, Enshi, China
| | - An-Fang Huang
- Department of Rheumatology and Immunology, Affiliated Hospital of Southwest Medical University, Luzhou, China
| |
Collapse
|
6
|
Zhang H, Wei Y, Zhang F, Liu Y, Li Y, Li G, Han B, Wang H, Zhao W, Wang C. Polymorphisms of MASP2 gene and its relationship with mastitis and milk production in Chinese Holstein cattle. BIOTECHNOL BIOTEC EQ 2019. [DOI: 10.1080/13102818.2019.1596755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
Affiliation(s)
- Haiyan Zhang
- Department of Biochemistry, Heze Medical College, Heze, Shandong Province, P. R. China
- Dairy Cattle Research Center Shandong Academy of Agricultural Science, Jinan, Shandong Province, P. R. China
| | - Yan Wei
- Department of Biochemistry, Heze Medical College, Heze, Shandong Province, P. R. China
| | - Fengying Zhang
- Department of Biochemistry, Heze Medical College, Heze, Shandong Province, P. R. China
| | - Yanyan Liu
- Department of Biochemistry, Heze Medical College, Heze, Shandong Province, P. R. China
| | - Yan Li
- Department of Biochemistry, Heze Medical College, Heze, Shandong Province, P. R. China
| | - Ge Li
- Department of Biochemistry, Heze Medical College, Heze, Shandong Province, P. R. China
| | - Bing Han
- Department of Biochemistry, Heze Medical College, Heze, Shandong Province, P. R. China
| | - Haifeng Wang
- Department of Biochemistry, Heze Medical College, Heze, Shandong Province, P. R. China
| | - Weitao Zhao
- Department of Biochemistry, Heze Medical College, Heze, Shandong Province, P. R. China
| | - Changfa Wang
- Dairy Cattle Research Center Shandong Academy of Agricultural Science, Jinan, Shandong Province, P. R. China
| |
Collapse
|
7
|
Silva AA, Catarino SJ, Boldt ABW, Pedroso MLA, Beltrame MH, Messias-Reason IJ. Effects of MASP2 haplotypes and MASP-2 levels in hepatitis C-infected patients. Int J Immunogenet 2018; 45:118-127. [PMID: 29675993 DOI: 10.1111/iji.12371] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Revised: 02/15/2018] [Accepted: 03/22/2018] [Indexed: 01/01/2023]
Abstract
Mannan-binding lectin (MBL) and MBL-associated serine protease 2 (MASP-2) are components of the lectin pathway, which activate the complement system after binding to the HCV structural proteins E1 and E2. We haplotyped 11 MASP2 polymorphisms in 103 HCV patients and 205 controls and measured MASP-2 levels in 67 HCV patients and 77 controls to better understand the role of MASP-2 in hepatitis C susceptibility and disease severity according to viral genotype and fibrosis levels. The haplotype block MASP2*ARDP was associated with protection against HCV infection (OR = 0.49, p = .044) and lower MASP-2 levels in controls (p = .021), while haplotype block AGTDVRC was significantly increased in patients (OR = 7.58, p = .003). MASP-2 levels were lower in patients than in controls (p < .001) and in patients with viral genotype 1 or 4 (poor responders to treatment) than genotype 3 (p = .022) and correlated inversely with the levels of alkaline phosphatase, especially in individuals with fibrosis 3 or 4 (R = -.7, p = .005). MASP2 gene polymorphisms modulate basal gene expression, which may influence the quality of complement response against HCV. MASP-2 levels decrease during chronic disease, independently of MASP2 genotypes, most probably due to consumption and attenuation mechanisms of viral origin and by the reduced liver function, the site of MASP-2 production.
Collapse
Affiliation(s)
- Amanda A Silva
- Departamento de Patologia Médica, Hospital de Clínicas, Laboratório de Imunopatologia Molecular, Universidade Federal do Paraná, Curitiba, Brazil
| | - Sandra J Catarino
- Departamento de Patologia Médica, Hospital de Clínicas, Laboratório de Imunopatologia Molecular, Universidade Federal do Paraná, Curitiba, Brazil
| | - Angelica B W Boldt
- Laboratório de Genética Molecular Humana, Universidade Federal do Paraná, Curitiba, Brazil
| | - Maria Lucia A Pedroso
- Departamento de Clínica Médica, Hospital de Clínicas, Serviço de Hepatologia, Universidade Federal do Paraná, Curitiba, Brazil
| | - Marcia H Beltrame
- Laboratório de Genética Molecular Humana, Universidade Federal do Paraná, Curitiba, Brazil
| | - Iara J Messias-Reason
- Departamento de Patologia Médica, Hospital de Clínicas, Laboratório de Imunopatologia Molecular, Universidade Federal do Paraná, Curitiba, Brazil
| |
Collapse
|
8
|
Tsakanova G, Stepanyan A, Nahapetyan K, Sim RB, Arakelyan A, Boyajyan A. Serine proteases of the complement lectin pathway and their genetic variations in ischaemic stroke. J Clin Pathol 2017; 71:141-147. [PMID: 28720568 DOI: 10.1136/jclinpath-2017-204403] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Revised: 05/12/2017] [Accepted: 06/12/2017] [Indexed: 12/19/2022]
Abstract
AIMS The aim of the current study was to assess the proteolytic activities of collectin-bound MASP-1 and MASP-2 in the blood of patients with ischaemic stroke, as well as the association of their six genetic polymorphisms (rs3203210, rs28945070, rs28945073 in MASP1 gene and rs2273343, rs12711521, rs147270785 in MASP2 gene) with this pathology. METHODS In total, 250 patients and 300 healthy subjects were involved in this study. MBL-associated serine protease (MASP)-1 and MASP-2 activities were measured using in-house developed immunofluorescent and enzyme-linked immunosorbent assays, respectively. Sequence specific primer PCR was used to study the association of MASP1 and MASP2 genetic polymorphisms with ischaemic stroke. RESULTS The results obtained demonstrate that the activities of collectin-bound MASP-1 and MASP-2 in patients with ischaemic stroke are significantly higher than those in healthy subjects (p<0.001). According to the data obtained for genotyping, the rs3203210 polymorphism in the MASP1 gene and the rs147270785 polymorphism in the MASP2 gene are associated with ischaemic stroke (p<0.0001). CONCLUSIONS In conclusion we suggest that the complement lectin pathway serine proteases, MASP-1 and MASP-2, can be associated with ischaemic stroke development risk and may participate in pathological events leading to post-ischaemic brain damage. Moreover rs3203210 and rs147270785 single nucleotide polymorphisms in the MASP1 and MASP2 genes, respectively, are strongly associated with ischaemic stroke, and the minor rs3203210*C and rs147270785*A alleles of these polymorphisms may be considered as protective factors for ischameic stroke, at least in the Armenian population.
Collapse
Affiliation(s)
| | - Ani Stepanyan
- Institute of Molecular Biology NAS RA, Yerevan, Armenia
| | - Karen Nahapetyan
- Department of Neurosurgery, 'Armenia' Republican Medical Center, Yerevan, Armenia
| | - Robert B Sim
- Department of Pharmacology, Oxford University, Oxford, UK.,Department of Infection, Immunity and Inflammation, University of Leicester, Leicester, UK
| | | | - Anna Boyajyan
- Institute of Molecular Biology NAS RA, Yerevan, Armenia
| |
Collapse
|
9
|
Chakraborti S, Dhalla NS, Catarino SJ, Messias-Reason IJ. Serine Proteases in the Lectin Pathway of the Complement System. PROTEASES IN PHYSIOLOGY AND PATHOLOGY 2017. [PMCID: PMC7120406 DOI: 10.1007/978-981-10-2513-6_18] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The complement system plays a crucial role in host defense against pathogen infections and in the recognition and removal of damaged or altered self-components. Complement system activation can be initiated by three different pathways—classical, alternative, and lectin pathways—resulting in a proteolytic cascade, which culminates in multiple biological processes including opsonization and phagocytosis of intruders, inflammation, cell lysis, and removal of immune complexes and apoptotic cells. Furthermore, it also functions as a link between the innate and adaptive immune responses. The lectin pathway (LP) activation is mediated by serine proteases, termed mannan-binding lectin (MBL)-associated serine proteases (MASPs), which are associated with the pattern recognition molecules (PRMs) that recognize carbohydrates or acetylated compounds on surfaces of pathogens or apoptotic cells. These result in the proteolysis of complement C2 and C4 generating C3 convertase (C4b2a), which carries forward the activation cascade of complements, culminating in the elimination of foreign molecules. This chapter presents an overview of the complement system focusing on the characterization of MASPs and its genes, as well as its functions in the immune response.
Collapse
Affiliation(s)
- Sajal Chakraborti
- Department of Biochemistry and Biophysics, University of Kalyani, Kalyani, West Bengal India
| | - Naranjan S. Dhalla
- St. Boniface Hospital Research Centre, University of Manitoba, Faculty of Health Sciences, College of Medicine, Institute of Cardiovascular Sciences, Manitoba, Winnipeg, Canada
| | | | | |
Collapse
|
10
|
Boldt ABW, Beltrame MH, Catarino SJ, Meissner CG, Tizzot R, Messias-Reason IJ. A dual role for Mannan-binding lectin-associated serine protease 2 (MASP-2) in HIV infection. Mol Immunol 2016; 78:48-56. [PMID: 27588826 DOI: 10.1016/j.molimm.2016.08.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Revised: 08/22/2016] [Accepted: 08/23/2016] [Indexed: 12/13/2022]
Abstract
BACKGROUND Mannan-binding lectin (MBL) - associated serine protease 2 (MASP-2) co-activates the lectin pathway of complement in response to several viral infections. The quality of this response partly depends on MASP2 gene polymorphisms, which modulate MASP-2 function and serum levels. In this study we investigated a possible role of MASP2 polymorphisms, MASP-2 serum levels and MBL-mediated complement activation in the susceptibility to HIV/AIDS and HBV/HCV coinfection. METHODS A total of 178 HIV patients, 89 (50%) coinfected with HBV/HCV, 51.7% female, average age 40 (12-73) years, and 385 controls were evaluated. MASP-2 levels and MBL-driven complement activation were evaluated by enzyme-linked immunosorbent assay and 11 MASP2 polymorphisms from the promoter to the last exon were haplotyped using multiplex sequence-specific PCR. RESULTS Genotype distribution was in Hardy-Weinberg equilibrium and differed between HIV+ patients and controls (P=0.030), irrespective of HBV or HCV coinfection. The p.126L variant, which was associated with MASP-2 levels <200ng/mL (OR=5.0 [95%CI=1.3-19.2] P=0.019), increased the susceptibility to HIV infection (OR=5.67 [95%CI=1.75-18.33], P=0.004) and to HIV+HBV+ status (OR=6.44 [95%CI=1.69-24.53, P=0.006). A similar association occurred with the ancient haplotype harboring this variant, AGCDV (OR=2.35 [95%CI=1.31-4.23], P=0.004). On the other hand, p.126L in addition to other variants associated with low MASP-2 levels-p.120G, p.377A and p.439H, presented a protective effect against AIDS (OR=0.25 [95%CI=0.08-0.80], P=0.020), independently of age, sex, hepatic function and viral load. MASP-2 serum levels were lower in HIV+ and HIV+HBV+ patients than in controls (P=0.0004). Among patients, MASP-2 levels were higher in patients with opportunistic diseases (P=0.001) and AIDS (P=0.004). MASP-2 levels correlated positively with MBL/MASP2-mediated C4 deposition (r=0.29, P=0.0002) and negatively with CD4+ cell counts (r=-0.21, P=0.018), being related to decreased CD4+ cell counts (OR=5.8 [95%CI=1.23-27.5, P=0.026). CONCLUSIONS Genetically determined MASP-2 levels seem to have a two-edge effect in HIV and probably HCV/HBV coinfection, whereas low levels increase the susceptibility to infection, but on the other side protects against AIDS.
Collapse
Affiliation(s)
- Angelica Beate Winter Boldt
- Laboratório de Imunopatologia Molecular, Hospital de Clínicas, Universidade Federal do Paraná, Curitiba, Brazil; Laboratório de Genética Molecular Humana, Universidade Federal do Paraná, Curitiba, Brazil
| | - Márcia Holsbach Beltrame
- Laboratório de Imunopatologia Molecular, Hospital de Clínicas, Universidade Federal do Paraná, Curitiba, Brazil
| | - Sandra Jeremias Catarino
- Laboratório de Imunopatologia Molecular, Hospital de Clínicas, Universidade Federal do Paraná, Curitiba, Brazil
| | - Caroline Grisbach Meissner
- Laboratório de Imunopatologia Molecular, Hospital de Clínicas, Universidade Federal do Paraná, Curitiba, Brazil
| | - Regina Tizzot
- Laboratório de Imunopatologia Molecular, Hospital de Clínicas, Universidade Federal do Paraná, Curitiba, Brazil
| | - Iara Jose Messias-Reason
- Laboratório de Imunopatologia Molecular, Hospital de Clínicas, Universidade Federal do Paraná, Curitiba, Brazil.
| |
Collapse
|
11
|
Li H, Hao Z, Zhao L, Liu W, Han Y, Bai Y, Wang J. Comparison of molecular mechanisms of rheumatoid arthritis and osteoarthritis using gene microarrays. Mol Med Rep 2016; 13:4599-605. [PMID: 27082252 PMCID: PMC4878540 DOI: 10.3892/mmr.2016.5144] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2015] [Accepted: 12/11/2015] [Indexed: 01/12/2023] Open
Abstract
The present study aimed to compare the molecular mechanisms of rheumatoid arthritis (RA) and osteoarthritis (OA). The microarray dataset no. GSE29746 was downloaded from Gene Expression Omnibus. After data pre‑processing, differential expression analysis between the RA group and the control, as well as between the OA group and the control was performed using the LIMMA package in R and differentially expressed transcripts (DETs) with |log2fold change (FC)|>1 and P<0.01 were identified. DETs screened from each disease group were then subjected to functional annotation using DAVID. Next, DETs from each group were used to construct individual interaction networks using the BIND database, followed by sub‑network mining using clusterONE. Significant functions of nodes in each sub‑network were also investigated. In total, 19 and 281 DETs were screened from the RA and OA groups, respectively, with only six common DETs. DETs from the RA and OA groups were enriched in 8 and 130 gene ontology (GO) terms, respectively, with four common GO terms, of which to were associated with phospholipase C (PLC) activity. In addition, DETs screened from the OA group were enriched in immune response‑associated GO terms, and those screened from the RA group were largely associated with biological processes linked with the cell cycle and chromosomes. Genes involved in PLC activity and its regulation were indicated to be altered in RA as well as in OA. Alterations in the expression of cell cycle‑associated genes were indicated to be linked with the occurrence of OA, while genes participating in the immune response were involved in the occurrence of RA.
Collapse
Affiliation(s)
- Hongqiang Li
- Department of Orthopedics, The Harbin Fifth Hospital, Harbin, Heilongjiang 150001, P.R. China
| | - Zhenyong Hao
- Department of Orthopedics, The Harbin Fifth Hospital, Harbin, Heilongjiang 150001, P.R. China
| | - Liqiang Zhao
- Department of Orthopedics, The Harbin Fifth Hospital, Harbin, Heilongjiang 150001, P.R. China
| | - Wei Liu
- Department of Orthopedics, The Harbin Fifth Hospital, Harbin, Heilongjiang 150001, P.R. China
| | - Yanlong Han
- Department of Orthopedics, The Harbin Fifth Hospital, Harbin, Heilongjiang 150001, P.R. China
| | - Yunxing Bai
- Department of Orthopedics, The Harbin Fifth Hospital, Harbin, Heilongjiang 150001, P.R. China
| | - Jian Wang
- Department of Orthopedics, The Harbin Fifth Hospital, Harbin, Heilongjiang 150001, P.R. China
| |
Collapse
|
12
|
Nass FR, Skare TL, Goeldner I, Nisihara R, Messias-Reason IJ, Utiyama SRR. Association of complement factor B allotypes and serum biomarkers in rheumatoid arthritis patients and their relatives. Int J Immunogenet 2015; 42:439-44. [PMID: 26385602 DOI: 10.1111/iji.12232] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2015] [Revised: 06/08/2015] [Accepted: 07/19/2015] [Indexed: 12/21/2022]
Abstract
The aim of the study was to investigate the allotypic variability of complement factor B (BF) in patients and relatives with rheumatoid arthritis (RA) and its association with serological biomarkers and clinical features of the disease. BF allotypes were determined by high-voltage agarose gel electrophoresis in serum samples of 180 patients with RA, 198 relatives and 98 controls from Southern Brazil. Anticyclic citrullinated peptide (anti-CCP), antimutated citrullinated vimentin (anti-MCV) and IgA-rheumatoid factor (RF) were determined by ELISA and IgM-RF by latex agglutination in all samples. No significant differences were found in the allotypic variants of BF between patients with RA, relatives and controls, nor associations with gender and age of RA onset. BF*S07 allotype was significantly associated with extra-articular manifestations (EAMs; Secondary Sjögren Syndrome, pneumonitis, rheumatoid nodules) in patients with RA (P = 0.02; OR = 6.62). Patients with phenotype BF F had lower positivity for anti-MCV biomarker (P = 0.02; OR = 0.22) and those with allotype BF*S had higher prevalence of this autoantibody (P = 0.02; OR = 3.77). An increased frequency of RF-IgA was detected in relatives of patients with RA with BF FS07 phenotype (P = 0.02; OR = 7.78). Complement BF variability did not influence the development of RA in the studied patients, but BF variants may act as markers of disease prognosis, such as development of EAMs, corroborating with the role of the alternative pathway in the pathogenesis of RA.
Collapse
Affiliation(s)
- F R Nass
- Laboratory of Immunopathology, Clinical Hospital, Federal University of Paraná, Curitiba, Brazil
| | - T L Skare
- Rheumatology Unit, Evangelic University Hospital of Curitiba, Paraná, Brazil
| | - I Goeldner
- Laboratory of Immunopathology, Clinical Hospital, Federal University of Paraná, Curitiba, Brazil
| | - R Nisihara
- Laboratory of Immunopathology, Clinical Hospital, Federal University of Paraná, Curitiba, Brazil.,Rheumatology Unit, Evangelic University Hospital of Curitiba, Paraná, Brazil
| | - I J Messias-Reason
- Laboratory of Immunopathology, Clinical Hospital, Federal University of Paraná, Curitiba, Brazil
| | - S R R Utiyama
- Department of Clinical Analysis, Federal University of Paraná, Curitiba, Brazil
| |
Collapse
|
13
|
Catarino SJDS, Boldt ABW, Beltrame MH, Nisihara RM, Schafranski MD, de Messias-Reason IJ. Association of MASP2 polymorphisms and protein levels with rheumatic fever and rheumatic heart disease. Hum Immunol 2014; 75:1197-202. [PMID: 25318078 DOI: 10.1016/j.humimm.2014.10.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2014] [Revised: 10/06/2014] [Accepted: 10/06/2014] [Indexed: 10/24/2022]
Abstract
MASP-2 is a key protein of the lectin pathway of complement system. Several MASP2 polymorphisms were associated with MASP-2 serum levels or functional activity. Here we investigated a possible association between MASP2 polymorphisms and MASP-2 serum levels with the susceptibility to rheumatic fever (RF) and rheumatic heart disease (RHD). We haplotyped 11 MASP2 polymorphisms with multiplex sequence-specific PCR in 145 patients with history of RF from south Brazil (103 with RHD and 42 without cardiac lesion [RFo]) and 342 healthy controls. MASP-2 levels were determined by ELISA. The low MASP-2 producing p.377A and p.439H variants were negatively associated with RF (P=0.02, OR=0.36) and RHD (P=0.01, OR=0.25). In contrast, haplotypes that share the intron 9 - exon 12 g.1961795C, p.371D, p.377V and p.439R polymorphisms increased the susceptibility to RHD (P=0.02, OR=4.9). MASP-2 levels were associated with MASP2 haplotypes and were lower in patients (P<0.0001), which may reflect protein consumption due to complement activation. MASP2 gene polymorphisms and protein levels seem to play an important role in the development of RF and establishment of RHD.
Collapse
Affiliation(s)
- Sandra Jeremias dos Santos Catarino
- Laboratório de Imunopatologia Molecular, Departamento de Patologia Médica, Hospital de Clínicas, Universidade Federal do Paraná, Curitiba, Brazil
| | - Angelica Beate Winter Boldt
- Laboratório de Imunopatologia Molecular, Departamento de Patologia Médica, Hospital de Clínicas, Universidade Federal do Paraná, Curitiba, Brazil; Departamento de Genética, Universidade Federal do Paraná, Curitiba, Brazil
| | - Marcia Holsbach Beltrame
- Laboratório de Imunopatologia Molecular, Departamento de Patologia Médica, Hospital de Clínicas, Universidade Federal do Paraná, Curitiba, Brazil
| | - Renato Mitsunori Nisihara
- Laboratório de Imunopatologia Molecular, Departamento de Patologia Médica, Hospital de Clínicas, Universidade Federal do Paraná, Curitiba, Brazil
| | | | - Iara Jose de Messias-Reason
- Laboratório de Imunopatologia Molecular, Departamento de Patologia Médica, Hospital de Clínicas, Universidade Federal do Paraná, Curitiba, Brazil.
| |
Collapse
|