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Martinez Valenzuela L, Vidal-Alabró A, Rubio B, Antón-Pàmpols P, Gómez-Preciado F, Fulladosa X, Cruzado JM, Torras J, Lloberas N, Draibe J. Evaluating Single-Nucleotide Polymorphisms in Inflammasome Proteins and Serum Levels of IL-18 and IL-1β in Kidney Interstitial Damage in Anti-Neutrophilic Cytoplasmic Antibody-Associated Vasculitis. Int J Mol Sci 2024; 25:6479. [PMID: 38928186 PMCID: PMC11203640 DOI: 10.3390/ijms25126479] [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: 05/03/2024] [Revised: 06/03/2024] [Accepted: 06/08/2024] [Indexed: 06/28/2024] Open
Abstract
The inflammasome regulates the innate inflammatory response and is involved in autoimmune diseases. In this study, we explored the levels of IL-18 and IL-1β in serum and urine and the influence of various single-nucleotide polymorphisms (SNPs) on kidney lesions at diagnosis in patients with ANCA-associated vasculitis (AAV) and their clinical outcomes. Ninety-two patients with renal AAV were recruited, and blood and urine were collected at diagnosis. Serum and urine cytokine levels were measured by ELISA. DNA was extracted and genotyped using TaqMan assays for SNPs in several inflammasome genes. Lower serum IL-18 (p = 0.049) and the IL-18 rs187238 G-carrier genotype (p = 0.042) were associated with severe fibrosis. The IL-18 rs1946518 TT genotype was associated with an increased risk of relapse (p = 0.05), whereas GG was related to better renal outcomes (p = 0.031). The rs187238 GG genotype was identified as a risk factor for mortality within the first year after AAV diagnosis, independent of the requirement for dialysis or lung involvement (p = 0.013). We suggest that decreased cytokine levels could be a surrogate marker of scarring and chronicity of the renal lesions, together with the rs187238 GG genotype. If our results are validated, the rs1946518 TT genotype predicts the risk of relapse and renal outcomes during follow-up.
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Affiliation(s)
- Laura Martinez Valenzuela
- Nephrology Department, Bellvitge University Hospital, 08907 L'Hospitalet de Llobregat, Spain
- Experimental Nephrology Laboratory, Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), 08907 L'Hospitalet de Llobregat, Spain
| | - Anna Vidal-Alabró
- Experimental Nephrology Laboratory, Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), 08907 L'Hospitalet de Llobregat, Spain
- Faculty of Medicine, Bellvitge Campus, University of Barcelona, 08907 L'Hospitalet de Llobregat, Spain
| | - Belén Rubio
- Nephrology Department, Bellvitge University Hospital, 08907 L'Hospitalet de Llobregat, Spain
| | - Paula Antón-Pàmpols
- Nephrology Department, Bellvitge University Hospital, 08907 L'Hospitalet de Llobregat, Spain
- Experimental Nephrology Laboratory, Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), 08907 L'Hospitalet de Llobregat, Spain
| | | | - Xavier Fulladosa
- Nephrology Department, Bellvitge University Hospital, 08907 L'Hospitalet de Llobregat, Spain
- Experimental Nephrology Laboratory, Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), 08907 L'Hospitalet de Llobregat, Spain
- Faculty of Medicine, Bellvitge Campus, University of Barcelona, 08907 L'Hospitalet de Llobregat, Spain
| | - Josep Maria Cruzado
- Nephrology Department, Bellvitge University Hospital, 08907 L'Hospitalet de Llobregat, Spain
- Experimental Nephrology Laboratory, Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), 08907 L'Hospitalet de Llobregat, Spain
- Faculty of Medicine, Bellvitge Campus, University of Barcelona, 08907 L'Hospitalet de Llobregat, Spain
| | - Juan Torras
- Nephrology Department, Bellvitge University Hospital, 08907 L'Hospitalet de Llobregat, Spain
- Experimental Nephrology Laboratory, Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), 08907 L'Hospitalet de Llobregat, Spain
- Faculty of Medicine, Bellvitge Campus, University of Barcelona, 08907 L'Hospitalet de Llobregat, Spain
| | - Nuria Lloberas
- Experimental Nephrology Laboratory, Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), 08907 L'Hospitalet de Llobregat, Spain
- Faculty of Medicine, Bellvitge Campus, University of Barcelona, 08907 L'Hospitalet de Llobregat, Spain
| | - Juliana Draibe
- Nephrology Department, Bellvitge University Hospital, 08907 L'Hospitalet de Llobregat, Spain
- Experimental Nephrology Laboratory, Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), 08907 L'Hospitalet de Llobregat, Spain
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Ihim SA, Abubakar SD, Zian Z, Sasaki T, Saffarioun M, Maleknia S, Azizi G. Interleukin-18 cytokine in immunity, inflammation, and autoimmunity: Biological role in induction, regulation, and treatment. Front Immunol 2022; 13:919973. [PMID: 36032110 PMCID: PMC9410767 DOI: 10.3389/fimmu.2022.919973] [Citation(s) in RCA: 67] [Impact Index Per Article: 33.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 07/25/2022] [Indexed: 12/13/2022] Open
Abstract
Interleukin-18 (IL-18) is a potent pro-inflammatory cytokine involved in host defense against infections and regulates the innate and acquired immune response. IL-18 is produced by both hematopoietic and non-hematopoietic cells, including monocytes, macrophages, keratinocytes and mesenchymal cell. IL-18 could potentially induce inflammatory and cytotoxic immune cell activities leading to autoimmunity. Its elevated levels have been reported in the blood of patients with some immune-related diseases, including rheumatoid arthritis, systemic lupus erythematosus, type I diabetes mellitus, atopic dermatitis, psoriasis, and inflammatory bowel disease. In the present review, we aimed to summarize the biological properties of IL-18 and its pathological role in different autoimmune diseases. We also reported some monoclonal antibodies and drugs targeting IL-18. Most of these monoclonal antibodies and drugs have only produced partial effectiveness or complete ineffectiveness in vitro, in vivo and human studies. The ineffectiveness of these drugs targeting IL-18 may be largely due to the loophole caused by the involvement of other cytokines and proteins in the signaling pathway of many inflammatory diseases besides the involvement of IL-18. Combination drug therapies, that focus on IL-18 inhibition, in addition to other cytokines, are highly recommended to be considered as an important area of research that needs to be explored.
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Affiliation(s)
- Stella Amarachi Ihim
- Department of Molecular and Cellular Pharmacology, University of Shizuoka, Shizuoka, Japan
- Department of Pharmacology and Toxicology, University of Nigeria, Nsukka, Nigeria
- Department of Science Laboratory Technology, University of Nigeria, Nsukka, Nigeria
| | - Sharafudeen Dahiru Abubakar
- Division of Molecular Pathology, Research Institute for Biomedical Sciences, Tokyo University of Science, Tokyo, Japan
- Department of Medical Laboratory Science, College of Medical Science, Ahmadu Bello University, Zaria, Nigeria
| | - Zeineb Zian
- Biomedical Genomics and Oncogenetics Research Laboratory, Faculty of Sciences and Techniques of Tangier, Abdelmalek Essaadi University, Tetouan, Morocco
| | - Takanori Sasaki
- Division of Rheumatology, Immunology and Allergy, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, United States
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Mohammad Saffarioun
- Biopharmaceutical Research Center, AryoGen Pharmed Inc., Alborz University of Medical Sciences, Karaj, Iran
| | - Shayan Maleknia
- Biopharmaceutical Research Center, AryoGen Pharmed Inc., Alborz University of Medical Sciences, Karaj, Iran
| | - Gholamreza Azizi
- Non-Communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran
- *Correspondence: Gholamreza Azizi,
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Koper-Lenkiewicz OM, Sutkowska K, Wawrusiewicz-Kurylonek N, Kowalewska E, Matowicka-Karna J. Proinflammatory Cytokines (IL-1, -6, -8, -15, -17, -18, -23, TNF-α) Single Nucleotide Polymorphisms in Rheumatoid Arthritis-A Literature Review. Int J Mol Sci 2022; 23:ijms23042106. [PMID: 35216226 PMCID: PMC8878005 DOI: 10.3390/ijms23042106] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 02/08/2022] [Accepted: 02/09/2022] [Indexed: 02/01/2023] Open
Abstract
Conducted studies highlight that a mixture of genetic and environmental factors is responsible for rheumatoid arthritis (RA) development. This study aimed to analyze the available literature for the relationship between, on the one hand, single-nucleotide polymorphisms (SNPs) in the proinflammatory cytokines genes interleukin-1 (IL-1), -6, -8, -15, -17, -18, and -23, and tumor necrosis factor-alpha (TNF-α), and on the other hand, RA susceptibility, severity, and patients' response to applied treatment. The PubMed database was searched for sources. Preference was given to articles which were published within the past 20 years. Data indicate that the relationship between selected SNPs in proinflammatory cytokines genes and susceptibility to developing RA is inconclusive, and it depends on the ethnicity of the population. Although the allelic and genotypic frequencies of many SNPs in proinflammatory cytokines genes analyzed did not differ between RA patients and healthy controls, deeper analysis showed that these polymorphisms have a relationship with clinicopathological features of RA. SNPs in proinflammatory cytokines genes also "modify patients' response" to applied treatment. Further studies, on larger cohorts of subjects and in different populations, should be conducted to elucidate the role of SNPs in IL-1, -6, -8, -15, -17, -18, and -23, and TNF-α genes in RA patients.
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Affiliation(s)
- Olga M. Koper-Lenkiewicz
- Department of Clinical Laboratory Diagnostics, Medical University of Bialystok, Waszyngtona 15A, 15-269 Białystok, Poland; (K.S.); (E.K.); (J.M.-K.)
- Correspondence:
| | - Kinga Sutkowska
- Department of Clinical Laboratory Diagnostics, Medical University of Bialystok, Waszyngtona 15A, 15-269 Białystok, Poland; (K.S.); (E.K.); (J.M.-K.)
| | - Natalia Wawrusiewicz-Kurylonek
- Department of Clinical Genetics, Medical University of Bialystok, Waszyngtona 13, 15-269 Białystok, Poland;
- Department of Endocrinology, Diabetology and Internal Medicine, Medical University of Bialystok, ul. M. Skłodowskiej-Curie 24A, 15-276 Białystok, Poland
| | - Ewa Kowalewska
- Department of Clinical Laboratory Diagnostics, Medical University of Bialystok, Waszyngtona 15A, 15-269 Białystok, Poland; (K.S.); (E.K.); (J.M.-K.)
| | - Joanna Matowicka-Karna
- Department of Clinical Laboratory Diagnostics, Medical University of Bialystok, Waszyngtona 15A, 15-269 Białystok, Poland; (K.S.); (E.K.); (J.M.-K.)
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Association of interleukin-18 gene polymorphisms with Takayasu arteritis in a Chinese Han population. Chin Med J (Engl) 2020; 133:2315-2320. [PMID: 32826615 PMCID: PMC7546839 DOI: 10.1097/cm9.0000000000001047] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022] Open
Abstract
Background: Interleukin-18 (IL18) gene polymorphisms are related to many inflammatory and autoimmune diseases. However, a correlation analysis between IL18 −607C/A and −137G/C gene polymorphisms and Takayasu arteritis (TA) is lacking. Methods: This study enrolled 200 patients with TA as the case group and 334 region-, age-, and sex-matched healthy subjects as the control group. We genotyped alleles and genotypes at positions −607 and −137 of the IL18 gene and analyzed the distribution frequencies. Mann-Whitney U test, t test, Chi-squared test and Hardy-Weinberg equilibrium were performed. Results: After adjusting for risk factors, the adjusted odds ratios and 95% confidence intervals at position −607C/A were 0.533, 0.391 to 0.880 (P = 0.010); 0.266, 0.586 to 1.002 (P = 0.051); and 0.122, 0.552 to 1.420 (P = 0.613) under the dominant, additive, and recessive models, respectively. For the −137G/C polymorphism, the adjusted odds ratios and 95% confidence intervals were 1.571, 1.068 to 2.311 (P = 0.022); 1.467, 1.086 to 1.980 (P = 0.012); and 1.815, 0.901 to 3.656 (P = 0.095) under the dominant, additive, and recessive models, respectively. Moreover, regardless of the model used, we found no statistical difference in distribution frequency between the active and quiescent states of TA for the −607C/A (P = 0.355, 0.631, and 0.705, respectively) and −137G/C polymorphisms (P = 0.205, 0.385, and 0.208, respectively). Conclusions: The IL18 −607C/A gene polymorphism may decrease the risk of TA, and thus is a protective factor, whereas −137G/C may increase the risk of TA, and thus is a risk factor. However, neither polymorphism was related to activity (active vs. quiescent) of TA.
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Gomes da Silva IIF, Lima CAD, Monteiro MLA, Barboza DASP, Rushansky E, Mariano MHQDA, Sandrin-Garcia P, de Souza PRE, Maia MDMD. IL1β, IL18, NFKB1 and IFNG gene interactions are associated with severity of rheumatoid arthritis: A pilot study. Autoimmunity 2020; 53:95-101. [PMID: 31992083 DOI: 10.1080/08916934.2019.1710831] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Rheumatoid arthritis (RA) is an autoimmune disease which can lead to progressive and functional disability. Literature data suggest that some inflammatory proteins are dysregulated in RA patients and its genetic polymorphisms may contribute to the aetiology and pathogenesis of disease in different ethnic groups. Polymorphisms in IL1β, IL18, NFKB1 and IFNG genes were studied in different populations with RA, but the analysis indicated contradictory results. Thereby, we hypothesised that polymorphisms in these genes could have a combined effect on susceptibility to and severity of disease. We evaluated the +3953 C/T IL1β (rs1143634), -137 G/C IL18 (rs187238), -94 ins/del ATTG NFKB1 (rs28362491) and +874 T/A IFNG (rs2430561) polymorphisms in the northeastern Brazilian population. Peripheral blood samples were collected and DNA extraction was conducted. The polymorphisms were evaluated by RFLP and ARMS-PCR. An association was observed in rs1143634 which showed a protective effect against development of RA in carriers of the T allele (OR = 0.58; 95% CI 0.36-0.92; p = .020). In addition, we found an association among genotypes of the rs1143634 with the HAQ index (p = .021) and rs2430561 with DAS28 (p = .029) and CDAI (p = .029). In relation to combined effects of these SNPs (C/C to rs1143634, G/G to rs187238, I/I to rs28362491 and AA to rs2430561) we found a significant association with decreased functional disability (HAQ index p < .001) and ESR (p = .034), indicating a lower disease activity in carriers of these genotypes. GLM analysis confirmed these associations (HAQ (F = 5.497; p < .001) and ESR (F = 2.727; p = .032)). Our analysis indicated that in the studied population +3953 C/T IL-1β (rs1143634), -137 G/C IL-18 (rs187238), -94 ins/del ATTG NFKB1 (rs28362491) and +874 T/A IFNG (rs2430561) polymorphisms can together contribute to RA severity although they do not individually influence the disease.
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Affiliation(s)
| | - Camilla Albertina Dantas Lima
- Laboratory of Immunopathology Keizo Asami, Recife, Brazil.,Department of Oceanography, Federal University of Pernambuco, Recife, Brazil
| | | | | | - Eliezer Rushansky
- Division of Clinical Rheumatology, University of Pernambuco, Recife, Brazil
| | | | - Paula Sandrin-Garcia
- Department of Genetics, Federal University of Pernambuco, Recife, Brazil.,Laboratory of Immunopathology Keizo Asami, Recife, Brazil
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Fathy MM, Elsaadany HF, Ali YF, Farghaly MAA, Hamed ME, Ibrahim HE, Noah MA, Allah MAN, Elashkar SSA, Abdelsalam NI, Abdelrahman HM, Ahmed AR, Anany HG, Ismail SM, Ibrahim BR, Al Azizi NM, Gawish HH, Al-Akad GM, Nabil RM, Fahmy DS, Alsayed SF. Association of IL-10 gene polymorphisms and susceptibility to Juvenile Idiopathic Arthritis in Egyptian children and adolescents: a case-control study. Ital J Pediatr 2017; 43:9. [PMID: 28257625 PMCID: PMC5347812 DOI: 10.1186/s13052-017-0328-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2016] [Accepted: 01/11/2017] [Indexed: 11/10/2022] Open
Abstract
Background Juvenile Idiopathic Arthritis (JIA) is the most common chronic arthritis in children worldwide. Among anti-inflammatory cytokines, interleukin-10 (IL-10) is a key immunosuppressive cytokine involved in the pathogenesis of JIA. To date, only a few studies concerned the association of interleukin-10 gene polymorphisms with JIA. In this study, we aimed to investigate 3 cytokine single-nucleotide polymorphisms situated at positions -1082(G/A), −819(C/T), and −592(C/A) in the promoter region of the IL-10 gene to determine whether this polymorphism could be a marker of susceptibility to JIA in Egyptian children and adolescents. We also measured the serum level of IL-10 to assess its relation to such polymorphism. Methods This was a case-control study included 100 patients diagnosed with JIA, and matched with age, gender, ethnicity 100 healthy control subjects. Interleukin-10 −1082(G/A), −819(C/T), and −592(C/A) polymorphisms were genotyped by amplification refractory mutation system- polymerase chain reaction (ARMS)-PCR methodology, while the serum IL10 levels were measured by ELISA method. Results Compared to the controls subjects, the frequency of IL-10- AA genotype and A allele at the –1082 position were overrepresented in patients with JIA (OR = 2.7; 95% CI: 1.1–6.4 for the AA genotype; P <0.05 and OR: 1.5; 95% CI: 1.03–2.3 for the A allele; P <0.05 respectively). On the other hand, no significant differences were found between the 2 groups in the genotype or allele frequencies for the –819 and –592 positions. Of note, we found a significant positive association between the IL-10 (-1082) AA genotype and susceptibility to polyarticular JIA (OR: 4.3; 95% CI: 1.5–12.7; P <0.01). We observed that patients with the IL-10 (-1082) AA genotype had significantly lower serum IL-10 levels (2.3 ± 0.9 pg/ml) compared to those with AG genotype (7.6 ± 1.5 pg/ml) and GG genotype (9.5 ± 1.2 pg/ml); P < 0.01, respectively. Conclusion We demonstrate for the first time, to the best of our knowledge, that the presence of an A allele or AA gene variant at the –1082 position of the promoter region of the interleukin-10 gene may constitute risk factors for developing JIA in Egyptian children and adolescents. Moreover, we observed a significant positive association between the IL10 –1082 AA gene variant and susceptibility to polyarticular JIA.
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Affiliation(s)
- Manar M Fathy
- Department of Pediatrics, Faculty of Medicine, Zagazig University, 13 Omar Bin Elkhattab St, Al Qawmia, Zagazig City, AlSharqia Governorate, Egypt.
| | - Hosam F Elsaadany
- Department of Pediatrics, Faculty of Medicine, Zagazig University, 13 Omar Bin Elkhattab St, Al Qawmia, Zagazig City, AlSharqia Governorate, Egypt
| | - Yasser F Ali
- Department of Pediatrics, Faculty of Medicine, Zagazig University, 13 Omar Bin Elkhattab St, Al Qawmia, Zagazig City, AlSharqia Governorate, Egypt
| | - Mohsen A A Farghaly
- Department of Pediatrics, Faculty of Medicine, Aswan University, Aswan, Egypt
| | - Mohammed E Hamed
- Department of Pediatrics, Faculty of Medicine, Zagazig University, 13 Omar Bin Elkhattab St, Al Qawmia, Zagazig City, AlSharqia Governorate, Egypt
| | - Hany E Ibrahim
- Department of Pediatrics, Faculty of Medicine, Zagazig University, 13 Omar Bin Elkhattab St, Al Qawmia, Zagazig City, AlSharqia Governorate, Egypt
| | - Maha A Noah
- Department of Pediatrics, Faculty of Medicine, Zagazig University, 13 Omar Bin Elkhattab St, Al Qawmia, Zagazig City, AlSharqia Governorate, Egypt
| | - Mayy A N Allah
- Department of Pediatrics, Faculty of Medicine, Zagazig University, 13 Omar Bin Elkhattab St, Al Qawmia, Zagazig City, AlSharqia Governorate, Egypt
| | - Shaimaa S A Elashkar
- Department of Pediatrics, Faculty of Medicine, Zagazig University, 13 Omar Bin Elkhattab St, Al Qawmia, Zagazig City, AlSharqia Governorate, Egypt
| | - Nasser I Abdelsalam
- Department of Pediatrics, Faculty of Medicine, Zagazig University, 13 Omar Bin Elkhattab St, Al Qawmia, Zagazig City, AlSharqia Governorate, Egypt
| | - Hind M Abdelrahman
- Department of Pediatrics, Faculty of Medicine, Zagazig University, 13 Omar Bin Elkhattab St, Al Qawmia, Zagazig City, AlSharqia Governorate, Egypt
| | - Ahmed R Ahmed
- Department of Pediatrics, Faculty of Medicine, Zagazig University, 13 Omar Bin Elkhattab St, Al Qawmia, Zagazig City, AlSharqia Governorate, Egypt
| | - Heba G Anany
- Department of Pediatrics, Faculty of Medicine, Zagazig University, 13 Omar Bin Elkhattab St, Al Qawmia, Zagazig City, AlSharqia Governorate, Egypt
| | - Sanaa M Ismail
- Department of Pediatrics, Faculty of Medicine, Zagazig University, 13 Omar Bin Elkhattab St, Al Qawmia, Zagazig City, AlSharqia Governorate, Egypt
| | - Boshra R Ibrahim
- Department of Pediatrics, Faculty of Medicine, Zagazig University, 13 Omar Bin Elkhattab St, Al Qawmia, Zagazig City, AlSharqia Governorate, Egypt
| | - Nashwa M Al Azizi
- Department of Clinical Pathology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Heba H Gawish
- Department of Clinical Pathology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Ghada M Al-Akad
- Department of Clinical Pathology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Rehab M Nabil
- Department of Clinical Pathology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Dalia S Fahmy
- Department of Rheumatology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Salah F Alsayed
- Department of Internal Medicine, Faculty of Medicine, Zagazig University, Zagazig, Egypt
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Song GG, Bae SC, Kim JH, Lee YH. Interleukin-4, interleukin-4 receptor, and interleukin-18 polymorphisms and rheumatoid arthritis: a meta-analysis. Immunol Invest 2014; 42:455-69. [PMID: 23883285 DOI: 10.3109/08820139.2013.804084] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
OBJECTIVE The aim of this study was to determine whether the functional interleukin-4 (IL-4) -590 C/T, IL-4 receptor (IL-4R) 1902 G/A, IL-18 -607 C/A, and -137 G/C polymorphisms polymorphisms confer susceptibility to rheumatoid arthritis (RA). METHODS Meta-analysis was conducted on the associations between these IL-4, IL-4R, and IL-18 polymorphisms and RA. RESULTS A total of 12 comparative studies were included in this meta-analysis. Meta-analysis of the IL-4 -590 C/T polymorphism showed an association in all study subjects and Europeans (OR for the TT genotype = 2.280, 95% CI = 1.315-3.952, p = 0.003; OR = 2.139, 95% CI = 1.089-4.199, p = 0.027). However, meta-analysis showed no association between RA and the IL-4R 1902 G allele in all study subjects and Europeans. Meta-analysis showed no association between RA and the IL-18 -607 C allele (OR = 1.159, 95% CI = 0.967-1.387, p = 0.110). Meta-analysis of the IL-18 -137 G/C polymorphism revealed no association between RA and the IL-18 -137 G/C polymorphism. CONCLUSIONS This meta-analysis demonstrates that the IL-4 -590 T/C polymorphism is associated with susceptibility to RA in Europeans, but the IL-4R + 1902 G/A, IL-18 -607 C/A and -137 G/C polymorphisms are not associated with RA.
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Affiliation(s)
- Gwan Gyu Song
- Division of Rheumatology, Department of Internal Medicine, Korea University College of Medicine, Seoul 136-705, Korea
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Sugiura T, Kawaguchi Y, Ikari K, Ichida H, Kawamoto M, Momohara S, Hara M, Yamanaka H. Interleukin-18 promoter polymorphisms in Japanese patients with rheumatoid arthritis: protective effect of the T allele and T/T genotype at rs360722. Mod Rheumatol 2014. [DOI: 10.3109/s10165-010-0399-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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Wen D, Liu J, Du X, Dong JZ, Ma CS. Association of interleukin-18 (-137G/C) polymorphism with rheumatoid arthritis and systemic lupus erythematosus: a meta-analysis. Int Rev Immunol 2013; 33:34-44. [PMID: 23914907 DOI: 10.3109/08830185.2013.816699] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Recent studies have suggested that interleukin (IL)-18 gene (-137G/C) polymorphism is associated with rheumatoid arthritis (RA) and systemic lupus erythematosus (SLE). However, other studies did not confirm this correlation. OBJECTIVE The objective of this study was to evaluate the relationships of IL-18 -137G/C and RA and SLE using a meta-analysis. METHODS Pubmed, Embase and Cochrane library databases were systemically searched. Data were extracted by two independent reviewers and pooled odds ratio (OR) with 95% confidence interval (CI) was calculated. RESULTS In RA, the overall ORs and 95% CIs of -137C were 1.03, 0.88-1.22 (p=0.391); 1.22, 0.89-1.68 (p=0.020) and 1.06, 0.93-1.21 (p=0.110) in dominant, recessive, and additive models, respectively. Furthermore, in SLE, the overall ORs and 95% CIs of -137C were 1.10, 0.94-1.29 (p=0.980); 1.21, 0.91-1.60 (p=0.010) and 1.10, 0.97-1.24 (p=0.454) in dominant, recessive, and additive models, respectively. IL-18 -137G/C could increase the risk of RA and SLE. No publication bias was found in this meta-analysis. After population stratification analysis, under recessive model, the pooled ORs and 95% CIs of -137C were 1.14, 0.82-1.60 (p=0.008) and 1.01, 0.66-1.55 (p=0.004) in European RA patients and Asian SLE patients, respectively. CONCLUSIONS This meta-analysis showed that IL-18 -137G/C was a risk factor for RA and SLE, especially for RA in Europeans and SLE in Asians.
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Affiliation(s)
- Dan Wen
- 1Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart Lung & Blood Vessel Diseases, Beijing, China
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Ji JD, Lee WJ. Interleukin-18 gene polymorphisms and rheumatoid arthritis: a meta-analysis. Gene 2013; 523:27-32. [PMID: 23587914 DOI: 10.1016/j.gene.2013.03.132] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2012] [Revised: 03/17/2013] [Accepted: 03/27/2013] [Indexed: 01/06/2023]
Abstract
Interleukin-18 (IL-18) is a member of the IL-1 superfamily that enhances both innate and acquired immune responses. IL-18 is highly expressed in sera, synovial fluids and synovial tissues of patients with RA, and these IL-18 levels are correlated with RA disease activity, indicating an important role of IL-18 in the pathogenesis of RA. Several studies have examined the association of IL-18 gene polymorphisms with RA, but these studies have shown inconclusive and controversial results. To verify the association between IL-18 gene polymorphism and susceptibility to RA, we conducted a meta-analysis of all relevant reports cited in MEDLINE/PubMed before October 2012. A meta-analysis on the association between the IL-18 rs1946518 SNP and RA was performed for 2944 patients with RA and 2377 controls from 7 published studies and a meta-analysis on the association between the IL-18 rs187238 SNP and RA was performed for 1319 patients with RA and 1211 controls from 5 published studies. In addition, 2 studies involving 1873 RA patients and 1092 controls were considered in the meta-analysis of the association between the IL-18 rs360722 SNP and RA. No significant association was found between two IL-18 SNPs (rs1946518 and rs187238) and RA susceptibility in all subjects. In subgroup analysis stratified by ethnicity, there was still no significant association between these two IL-18 SNPs and RA susceptibility. However, the frequency of the T allele at rs360722 was found to be significantly lower in patients with RA compared with controls, although this finding was based on only 2 studies. The results of our meta-analysis suggest that IL-18 rs360722 SNP is only associated with RA susceptibility. However, due to only two studies included in our meta-analysis, large-scale well designed studies should be considered in future studies to confirm the exact role of IL-18 rs360722 SNP in RA susceptibility.
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Affiliation(s)
- Jong Dae Ji
- Rheumatology, College of Medicine, Korea University, 126-1, Anam-Dong 5-Ga, Sungbuk-Ku, Seoul 136-705, South Korea.
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Fu Z, Liu P, Yang D, Wang F, Yuan L, Lin Z, Jiang J. Interleukin-18-induced inflammatory responses in synoviocytes and chondrocytes from osteoarthritic patients. Int J Mol Med 2012; 30:805-10. [PMID: 22825306 DOI: 10.3892/ijmm.2012.1073] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2012] [Accepted: 06/28/2012] [Indexed: 11/06/2022] Open
Abstract
The major pathological changes of osteoarthritis (OA) include cartilage degeneration and synovial inflammation. Previous studies confirmed that interleukin-1 (IL-1) stimulates the secretion of multiple inflammatory factors in synoviocytes and chondrocytes. IL-18 is a member of the IL-1 superfamily. In this study, the pro-inflammatory effects of IL-18 on synoviocytes and chondrocytes in patients with OA were investigated. Knee synovial membrane and cartilage samples were obtained from OA patients, then primary cells were cultured. Synoviocytes and primary chondrocytes at different generations (primary, secondary and tertiary), were stimulated with IL-18, then inflammatory marker levels, including tumor necrosis factor-α (TNF-α), prostaglandin E2 (PGE₂) and cyclooxygenase-2 (COX-2), were measured using reverse transcription polymerase chain reaction (RT-PCR) and enzyme-linked immunosorbent assay. IL-1 receptor antagonist (IL-1Ra) was applied to interfere with the IL-18 stimulation of chondrocytes, and then the COX-2 expression in chondrocytes and the PGE2 levels in the medium were measured. The expression of IL-18 receptor α (IL-18Rα) and IL-18 receptor β (IL-18Rβ) in synoviocytes and chondrocytes was assessed, using RT-PCR. Our results showed that IL-18 stimulated the COX-2 and TNF-α expressions in primary synoviocytes, while increasing PGE₂ and TNF-α levels in the supernatant (P<0.05) of the culture medium in primary synoviocytes. IL-18 also induced high PGE₂ level production in second-generation synoviocytes (P<0.05). Moreover, IL-18 upregulated COX-2 and TNF-α mRNA in chondrocytes, while promoting PGE₂ and TNF-α (P<0.05) secretions in a dose-dependent manner. The induced effects were not attenuated by the addition of IL-1Ra (P<0.05). IL-18Rα was expressed in the chondrocytes and synoviocytes of 4/8 patients, while IL-18Rβ was expressed in the chondrocytes of 4/8 patients and in the synoviocytes of 2/8 patients. We conclude that IL-18 induces inflammatory responses in synoviocytes and chondrocytes and that this effect was correlated with, although not entirely dependent on, IL-1β.
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Affiliation(s)
- Zhaozong Fu
- Department of Spine Surgery, Nanfang Hospital, Southern Medical University, Guangzhou 510515, PR China
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Messaoudi S, Dandana M, Magdoud K, Meddeb S, Ben Slama N, Hizem S, Mahjoub T. Interleukin-18 promoter polymorphisms and risk of idiopathic recurrent pregnancy loss in a Tunisian population. J Reprod Immunol 2012; 93:109-13. [PMID: 22386125 DOI: 10.1016/j.jri.2011.12.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2011] [Revised: 12/17/2011] [Accepted: 12/19/2011] [Indexed: 02/04/2023]
Abstract
IL-18 is a pro-inflammatory cytokine that regulates the differentiation and effector functions of CD4+ (Th1) and CD8+ (CTL) T cells, which are implicated in the pathogenesis of recurrent pregnancy loss (RPL). We investigated the association of the IL-18 gene promoter single nucleotide polymorphisms (SNPs) -656C/A (rs1946519), -137G/C (rs187238), -119A/C (rs360718), and -105G/A (rs360717), by TaqMan assays in analysis in 470 Tunisian women comprising 235 RPL cases and 235 multi-parous controls. The association of IL-18 alleles, genotypes, and haplotypes with RPL was evaluated by Fisher's exact test and regression analysis. The frequency of minor alleles -105G/A (P<0.001) and -656C/A (P<0.001), but not -119A/C (P=0.93) or -137G/C (P=0.32), were higher in RPL cases. Significant differences were also noted in the genotype distribution of -105G/A (P<0.001) and -656C/A (P<0.001) between cases and controls. Four-locus (-656C/A, -137G/C, -119A/C, -105G/A) IL-18 haplotype analysis identified AGAA (corrected P<0.001), and CGAA (corrected P<0.001) haplotypes to be associated with increased RPL risk, after adjusting for age and BMI. These results demonstrate that -105G/A and -656C/A IL-18 variants are significantly associated with RPL.
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Affiliation(s)
- Safia Messaoudi
- Research Unit of Hematological and Autoimmune Diseases, University of Monastir, Monastir, Tunisia
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Al-Khateeb GM, Sater MS, Finan RR, Mustafa FE, Al-Busaidi AS, Al-Sulaiti MA, Almawi WY. Analysis of interleukin-18 promoter polymorphisms and changes in interleukin-18 serum levels underscores the involvement of interleukin-18 in recurrent spontaneous miscarriage. Fertil Steril 2011; 96:921-6. [PMID: 21840518 DOI: 10.1016/j.fertnstert.2011.06.079] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2011] [Revised: 06/29/2011] [Accepted: 06/30/2011] [Indexed: 02/03/2023]
Abstract
OBJECTIVE To evaluate the association of interleukin-18 (IL-18) promoter single-nucleotide polymorphisms rs1946519 (-656C/A), rs187238 (-137G/C), rs360718 (-119A/C), and rs360717 (-105G/A) and changes in IL-18 serum levels with recurrent spontaneous miscarriage (RSM). DESIGN Case-control study. SETTING Outpatient obstetrics and gynecology clinics. PATIENT(S) Women with confirmed RSM (n = 282), and 283 age- and ethnically matched controls. INTERVENTION(S) None. MAIN OUTCOME MEASURE(S) IL-18 genotyping was accomplished by allelic discrimination assays; serum IL-18 levels were measured by ELISA. RESULT(S) The minor allele frequencies of rs360717 and rs1946519, but not rs360718 or rs187238, were higher in patients with RSM. Significant differences in the distribution of the rs360717 and rs1946519 genotypes were noted between patients and controls, and both rs360717 and rs1946519 IL-18 single-nucleotide polymorphisms showed significant association with RSM under additive, dominant, and recessive models. Lower serum IL-18 levels were seen between patients and controls and were more pronounced in rs360717 and rs1946519 heterozygous and homozygous genotypes. Four-locus (rs1946519/rs187238/rs360718/rs360717) IL-18 haplotype analysis identified that the AGAA (Pc<.001), CGAA (Pc<.001), and ACAG (Pc=.018) haplotypes were associated with a reduction in IL-18 secretion and with increased RSM risk, after adjustments for body mass index, menarche, and gravida. CONCLUSION(S) These results demonstrated that reduced IL-18 levels and rs360717 and rs1946519 IL-18 variants are significantly associated with RSM.
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Affiliation(s)
- Ghada M Al-Khateeb
- Department of Medical Biochemistry, College of Medicine and Medical Sciences, Arabian Gulf University, Manama, Bahrain
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Pan HF, Leng RX, Ye DQ. Lack of association of interleukin-18 gene promoter -607 A/C polymorphism with susceptibility to autoimmune diseases: a meta-analysis. Lupus 2011; 20:945-51. [PMID: 21636628 DOI: 10.1177/0961203311400114] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
OBJECTIVE Published data on the association between interleukin (IL)-18 gene promoter -607 A/C polymorphism and autoimmune diseases risk are inconclusive. To derive a more precise estimation of the relationship, a meta-analysis was performed. METHODS A total of 17 studies, including six studies on type 1 diabetes (T1D), four on rheumatoid arthritis (RA), five on systemic lupus erythematosus (SLE), three on Crohn's Disease (CD) and three on ulcerative colitis (UC), were available for the meta-analysis. Meta-analysis was performed for genotypes A/A (recessive effect), genotypes A/A + A/C (dominant effect), and A allele in fixed or random-effects models. RESULTS Overall, no significantly elevated autoimmune diseases risk was found in all genetic models when all studies were pooled into the meta-analysis. The overall odds ratios (ORs) and 95% confidence intervals (CIs) for A-allele were T1D (OR = 0.938, 95% CI = 0.757-1.162), RA (OR = 0.759, 95% CI = 0.540-1.067), SLE (OR = 0.858, 95% CI = 0.609-1.208), CD (OR = 1.159, 95% CI = 0.975-1.379) and UC (OR = 1.170, 95% CI = 0.977-1.402), respectively. In the subgroup analysis by ethnicity, there was still no significant association detected in all genetic models. CONCLUSIONS To date, there is still not enough evidence to indicate the association of IL-18 gene promoter -607 A/C polymorphism and the development of autoimmune diseases.
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Affiliation(s)
- H-F Pan
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Anhui, PR China
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Sugiura T, Kawaguchi Y, Ikari K, Ichida H, Kawamoto M, Momohara S, Hara M, Yamanaka H. Interleukin-18 promoter polymorphisms in Japanese patients with rheumatoid arthritis: protective effect of the T allele and T/T genotype at rs360722. Mod Rheumatol 2011; 21:359-64. [PMID: 21225442 DOI: 10.1007/s10165-010-0399-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2010] [Accepted: 11/29/2010] [Indexed: 01/06/2023]
Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory disease with a strong genetic contribution to its pathogenesis. Among numerous candidate genes, cytokine gene polymorphisms have been implicated. Interleukin-18 (IL-18) induces production of tumor necrosis factor-α and promotes T helper (Th)1-type immune responses. This study investigates the association between IL-18 promoter polymorphisms and RA susceptibility. A total of 2471 Japanese case-control samples (1493 RA patients and 978 healthy controls) were examined. Three haplotype tag single-nucleotide polymorphisms, rs1946518A/C, rs360718T/G, and rs360722T/C, spanning from the 5'UTR to intron 1 were genotyped using allelic discrimination with the use of specific TaqMan probes, and three haplotypes (A-T-T, C-T-C, and A-G-C) were determined. Among these polymorphisms, the frequency of the T allele at rs360722, which tags the A-T-T haplotype, was significantly lower in the RA patient group compared with the normal subjects [0.46 versus 0.49, P = 0.0061, Fisher's exact probability test, odds ratio (OR) = 0.85, 95% confidence interval (CI) = 0.75-0.95]. Having the T/T genotype further increased the significance (0.20 versus 0.27, P = 0.0006, OR = 0.72, 95% CI = 0.58-0.86). Therefore, presence of the T allele and T/T genotype at rs360722 reduces the susceptibility of Japanese people to RA.
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Affiliation(s)
- Tomoko Sugiura
- Institute of Rheumatology, Tokyo Women's Medical University School of Medicine, 10-22 Kawada-cho, Shinjuku-ku, Tokyo, 162-0054, Japan
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Guerra SG, Morris DL, Gateva V, Graham RR, Vyse TJ, Cunninghame Graham DS. Dense mapping of IL18 shows no association in SLE. Hum Mol Genet 2010; 20:1026-33. [PMID: 21149337 PMCID: PMC3033184 DOI: 10.1093/hmg/ddq536] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Systemic lupus erythematosus (SLE) is an autoimmune disease which behaves as a complex genetic trait. At least 20 SLE risk susceptibility loci have been mapped using both candidate gene and genome-wide association strategies. The gene encoding the pro-inflammatory cytokine, IL18, has been reported as a candidate gene showing an association with SLE. This pleiotropic cytokine is expressed in a range of immune cells and has been shown to induce interferon-γ and tumour necrosis factor-α. Serum interleukin-18 has been reported to be elevated in patients with SLE. Here we aimed to densely map single nucleotide polymorphisms (SNPs) across IL18 to investigate the association across this locus. We genotyped 36 across IL18 by Illumina bead express in 372 UK SLE trios. We also genotyped these SNPs in a further 508 non-trio UK cases and were able to accurately impute a dense marker set across IL18 in WTCCC2 controls with a total of 258 SNPs. To improve the study's power, we also imputed a total of 158 SNPs across the IL18 locus using data from an SLE genome-wide association study and performed association testing. In total, we analysed 1818 cases and 10 770 controls in this study. Our large well-powered study (98% to detect odds ratio = 1.5, with respect to rs360719) showed that no individual SNP or haplotype was associated with SLE in any of the cohorts studied. We conclude that we were unable to replicate the SLE association with rs360719 located upstream of IL18. No evidence for association with any other common variant at IL18 with SLE was found.
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Jung MY, Kang SW, Kim SK, Kim HJ, Yun DH, Yim SV, Hong SJ, Chung JH. The interleukin-1 family gene polymorphisms in Korean patients with rheumatoid arthritis. Scand J Rheumatol 2010; 39:190-6. [DOI: 10.3109/03009740903447028] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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