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Granata V, Strina D, Possetti V, Leone R, Valentino S, Chiappetta K, Loppini M, Mantovani A, Bottazzi B, Asselta R, Sobacchi C, Inforzato A. Interleukin-1β Polymorphisms Are Genetic Markers of Susceptibility to Periprosthetic Joint Infection in Total Hip and Knee Arthroplasty. Genes (Basel) 2024; 15:596. [PMID: 38790226 PMCID: PMC11120921 DOI: 10.3390/genes15050596] [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: 04/15/2024] [Revised: 05/02/2024] [Accepted: 05/05/2024] [Indexed: 05/26/2024] Open
Abstract
Periprosthetic joint infections (PJIs) are serious complications of prosthetic surgery. The criteria for the diagnosis of PJI integrate clinical and laboratory findings in a complex and sometimes inconclusive workflow. Host immune factors hold potential as diagnostic biomarkers in bone and joint infections. We reported that the humoral pattern-recognition molecule long pentraxin 3 (PTX3) predicts PJI in total hip and knee arthroplasty (THA and TKA, respectively). If and how genetic variation in PTX3 and inflammatory genes that affect its expression (IL-1β, IL-6, IL-10, and IL-17A) contributes to the risk of PJI is unknown. We conducted a case-control study on a Caucasian historic cohort of THA and TKA patients who had prosthesis explant due to PJI (cases) or aseptic complications (controls). Saliva was collected from 93 subjects and used to extract DNA and genotype PTX3, IL-1β, IL-6, IL-10, and IL-17A single-nucleotide polymorphisms (SNPs). Moreover, the concentration of IL-1β, IL-10, and IL-6 was measured in synovial fluid and plasma. No association was found between PTX3 polymorphisms and PJI; however, the AGG haplotype, encompassing rs2853550, rs1143634, and rs1143627 in IL-1β, was linked to the infection (p = 0.017). Also, synovial levels of all inflammatory markers were higher in cases than in controls, and a correlation emerged between synovial concentration of PTX3 and that of IL-1β in cases only (Spearman r = 0.67, p = 0.004). We identified a relationship between rs2853550 and the synovial concentration of IL-1β and PTX3. Our findings suggest that IL-1β SNPs could be used for the early identification of THA and TKA patients with a high risk of infection.
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Affiliation(s)
- Valentina Granata
- IRCCS Humanitas Research Hospital, Rozzano, 20089 Milan, Italy; (V.G.); (D.S.); (V.P.); (R.L.); (S.V.); (K.C.); (M.L.); (A.M.); (B.B.); (R.A.); (C.S.)
- Milan Unit, Institute for Genetic and Biomedical Research, National Research Council, 20138 Milan, Italy
| | - Dario Strina
- IRCCS Humanitas Research Hospital, Rozzano, 20089 Milan, Italy; (V.G.); (D.S.); (V.P.); (R.L.); (S.V.); (K.C.); (M.L.); (A.M.); (B.B.); (R.A.); (C.S.)
- Milan Unit, Institute for Genetic and Biomedical Research, National Research Council, 20138 Milan, Italy
| | - Valentina Possetti
- IRCCS Humanitas Research Hospital, Rozzano, 20089 Milan, Italy; (V.G.); (D.S.); (V.P.); (R.L.); (S.V.); (K.C.); (M.L.); (A.M.); (B.B.); (R.A.); (C.S.)
- Department of Biomedical Sciences, Humanitas University, 20072 Pieve Emanuele, Italy
| | - Roberto Leone
- IRCCS Humanitas Research Hospital, Rozzano, 20089 Milan, Italy; (V.G.); (D.S.); (V.P.); (R.L.); (S.V.); (K.C.); (M.L.); (A.M.); (B.B.); (R.A.); (C.S.)
| | - Sonia Valentino
- IRCCS Humanitas Research Hospital, Rozzano, 20089 Milan, Italy; (V.G.); (D.S.); (V.P.); (R.L.); (S.V.); (K.C.); (M.L.); (A.M.); (B.B.); (R.A.); (C.S.)
| | - Katia Chiappetta
- IRCCS Humanitas Research Hospital, Rozzano, 20089 Milan, Italy; (V.G.); (D.S.); (V.P.); (R.L.); (S.V.); (K.C.); (M.L.); (A.M.); (B.B.); (R.A.); (C.S.)
| | - Mattia Loppini
- IRCCS Humanitas Research Hospital, Rozzano, 20089 Milan, Italy; (V.G.); (D.S.); (V.P.); (R.L.); (S.V.); (K.C.); (M.L.); (A.M.); (B.B.); (R.A.); (C.S.)
- Department of Biomedical Sciences, Humanitas University, 20072 Pieve Emanuele, Italy
- Fondazione Livio Sciutto Onlus, Campus Savona, Università degli Studi di Genova, 16126 Savona, Italy
| | - Alberto Mantovani
- IRCCS Humanitas Research Hospital, Rozzano, 20089 Milan, Italy; (V.G.); (D.S.); (V.P.); (R.L.); (S.V.); (K.C.); (M.L.); (A.M.); (B.B.); (R.A.); (C.S.)
- Department of Biomedical Sciences, Humanitas University, 20072 Pieve Emanuele, Italy
- Harvey Research Institute, Queen Mary University of London Charterhouse Square, London EC1M 6BQ, UK
| | - Barbara Bottazzi
- IRCCS Humanitas Research Hospital, Rozzano, 20089 Milan, Italy; (V.G.); (D.S.); (V.P.); (R.L.); (S.V.); (K.C.); (M.L.); (A.M.); (B.B.); (R.A.); (C.S.)
| | - Rosanna Asselta
- IRCCS Humanitas Research Hospital, Rozzano, 20089 Milan, Italy; (V.G.); (D.S.); (V.P.); (R.L.); (S.V.); (K.C.); (M.L.); (A.M.); (B.B.); (R.A.); (C.S.)
- Department of Biomedical Sciences, Humanitas University, 20072 Pieve Emanuele, Italy
| | - Cristina Sobacchi
- IRCCS Humanitas Research Hospital, Rozzano, 20089 Milan, Italy; (V.G.); (D.S.); (V.P.); (R.L.); (S.V.); (K.C.); (M.L.); (A.M.); (B.B.); (R.A.); (C.S.)
- Milan Unit, Institute for Genetic and Biomedical Research, National Research Council, 20138 Milan, Italy
| | - Antonio Inforzato
- IRCCS Humanitas Research Hospital, Rozzano, 20089 Milan, Italy; (V.G.); (D.S.); (V.P.); (R.L.); (S.V.); (K.C.); (M.L.); (A.M.); (B.B.); (R.A.); (C.S.)
- Department of Biomedical Sciences, Humanitas University, 20072 Pieve Emanuele, Italy
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Fei Y, Yu H, Wu Y, Gong S. The causal relationship between immune cells and ankylosing spondylitis: a bidirectional Mendelian randomization study. Arthritis Res Ther 2024; 26:24. [PMID: 38229175 PMCID: PMC10790477 DOI: 10.1186/s13075-024-03266-0] [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: 11/24/2023] [Accepted: 01/09/2024] [Indexed: 01/18/2024] Open
Abstract
BACKGROUND Ankylosing spondylitis (AS) is one of several disorders known as seronegative spinal arthritis (SpA), the origin of which is unknown. Existing epidemiological data show that inflammatory and immunological factors are important in the development of AS. Previous research on the connection between immunological inflammation and AS, however, has shown inconclusive results. METHODS To evaluate the causal association between immunological characteristics and AS, a bidirectional, two-sample Mendelian randomization (MR) approach was performed in this study. We investigated the causal connection between 731 immunological feature characteristic cells and AS risk using large, publically available genome-wide association studies. RESULTS After FDR correction, two immunophenotypes were found to be significantly associated with AS risk: CD14 - CD16 + monocyte (OR, 0.669; 95% CI, 0.544 ~ 0.823; P = 1.46 × 10-4; PFDR = 0.043), CD33dim HLA DR + CD11b + (OR, 0.589; 95% CI = 0.446 ~ 0.780; P = 2.12 × 10-4; PFDR = 0.043). AS had statistically significant effects on six immune traits: CD8 on HLA DR + CD8 + T cell (OR, 1.029; 95% CI, 1.015 ~ 1.043; P = 4.46 × 10-5; PFDR = 0.014), IgD on IgD + CD24 + B cell (OR, 0.973; 95% CI, 0.960 ~ 0.987; P = 1.2 × 10-4; PFDR = 0.021), IgD on IgD + CD38 - unswitched memory B cell (OR, 0.962; 95% CI, 0.945 ~ 0.980; P = 3.02 × 10-5; PFDR = 0.014), CD8 + natural killer T %lymphocyte (OR, 0.973; 95% CI, 0.959 ~ 0.987; P = 1.92 × 10-4; PFDR = 0.021), CD8 + natural killer T %T cell (OR, 0.973; 95% CI, 0.959 ~ 0.987; P = 1.65 × 10-4; PFDR = 0.021). CONCLUSION Our findings extend genetic research into the intimate link between immune cells and AS, which can help guide future clinical and basic research.
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Affiliation(s)
- Yuchang Fei
- Department of Integrated Chinese and Western Medicine, The First People's Hospital of Jiashan, Jiashan Hospital Affiliated of Jiaxing University, Jiaxing, Zhejiang, China.
| | - Huan Yu
- The Department of Traditional Chinese Medicine, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, China
| | - Yulun Wu
- Center for Rehabilitation Medicine, Rehabilitation & Sports Medicine Research Institute of Zhejiang Province, Department of Rehabilitation Medicine, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Shanshan Gong
- Department of Gastroenterology, The Third Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
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Fang P, Liu X, Qiu Y, Wang Y, Wang D, Zhao J, Ding H, Bao N. Exploring causal correlations between inflammatory cytokines and ankylosing spondylitis: a bidirectional mendelian-randomization study. Front Immunol 2023; 14:1285106. [PMID: 38054001 PMCID: PMC10694192 DOI: 10.3389/fimmu.2023.1285106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 10/31/2023] [Indexed: 12/07/2023] Open
Abstract
Background The impact of inflammatory factors on the development of Ankylosing Spondylitis (AS) is widely recognized, but the exact causal relationship remains unclear. Methods The bidirectional mendelian-randomization study utilized genetic data from a genome-wide association study (GWAS) of 186 AS cases and 456,162 controls of European ancestry. Inflammatory cytokines were obtained from a GWAS summary of 8,293 healthy participants. Causal associations were primarily investigated using the inverse variance-weighted method, supplemented by MR Egger, weighted median and weighted mode analyses. Heterogeneity in the results was assessed using the Cochrane Q test. Horizontal pleiotropy was evaluated through the MR-Egger intercept test and the MR pleiotropy residual sum and outliers (MR-PRESSO) test. Sensitivity analysis was conducted through leave-one-out analysis. Results The results suggest a genetically predicted potential association between beta-nerve growth factor (βNGF), Interleukin-1-beta (IL-1β), and TNF-related apoptosis inducing ligand (TRAIL) with the risk of AS (OR: 2.17, 95% CI: 1.13-4.16; OR: 0.41, 95% CI: 0.18-0.95,; OR: 1.47, 95% CI: 1.02-2.13).Additionally, Interleukin-12p70 (IL-12p70), Interleukin-17 (IL-17), Interleukin-6 (IL-6), Interleukin-4 (IL-4), Stromal-cell-derived factor 1 alpha (SDF-1α), Macrophage inflammatory protein 1β (MIP1β), Monocyte chemoattractant protein-3 (MCP-3), Platelet-derived growth factor bb (PDGFbb), Granulocyte-colony stimulating factor (GCSF), Fibroblast growth factor basic (bFGF), TNF-related apoptosis inducing ligand (TRAIL), and Interferon-gamma (IFN -γ) are suggested as consequences of AS in genetically prediction.No evidence of horizontal pleiotropy or heterogeneity between the genetic variants was found (P>0.05), and a leave-one-out test confirmed the stability and robustness of this association. Conclusion These findings suggest that βNGF, IL-1β, and TRAIL may play a crucial role in the pathogenesis of AS. Additionally, AS may impact the expression of cytokines such as IL-12p70, IL-17, IL-6, IL-4, SDF-1α, MIP1β, MCP-3, PDGFbb,GCSF, bFGF,TRAIL,and IFN-γ. Further investigations are warranted to determine whether these biomarkers can be utilized for the prevention or treatment of AS.
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Affiliation(s)
| | | | | | | | | | | | - Hao Ding
- Department of Orthopedics, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Nirong Bao
- Department of Orthopedics, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
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Eucommia ulmoides Oliver's Multitarget Mechanism for Treatment of Ankylosing Spondylitis: A Study Based on Network Pharmacology and Molecular Docking. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:3699146. [PMID: 36267087 PMCID: PMC9578855 DOI: 10.1155/2022/3699146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 09/06/2022] [Indexed: 11/17/2022]
Abstract
Background Eucommia ulmoides Oliver (EU) is a plant used in Chinese medicine as a medicinal herb to treat autoimmune and inflammatory conditions. We used network pharmacology to examine the active ingredients and estimate the main targets and pathways affected by EU when it is used to treat ankylosing spondylitis (AS). Materials and Methods The Traditional Chinese Medicine Systems Pharmacology Database and Analysis Platform was used to search for active ingredients in EU and their target proteins. The GeneCards Database was used to find AS-related targets. The targets from the EU and AS searches that coincided were selected by constructing a Venn diagram. Then, a STRING network platform and Cytoscape software were used to analyse the protein-protein interaction (PPI) network and key targets. The strong affinity between EU and its targets was confirmed using molecular docking techniques. The Gene Ontology and the Kyoto Encyclopaedia of Genes and Genomes (KEGG) pathway enrichment analysis of overlapping targets was performed using the database for annotation, visualization, and integrated discovery online tool. Results The number of active ingredients against AS in EU was discovered to be 28. Major targets against AS in the PPI network and core targets analyses were identified as IL-1B, PTGS2, IL-8, nMMP-9, CCL2, MYC, and IL-2. Furthermore, molecular docking studies showed the strong affinity between EU's bioactive molecules and their AS targets. Enrichment analysis revealed that active ingredients from EU were involved in a variety of biological processes, including the response to molecules derived from bacteria, extracellular stimuli, nutrient levels, and the regulation of reactive oxygen species, all of which are mediated by interleukin-17, TNF-α, and other signalling pathways. Conclusion The therapy for AS using EU involves a multitarget, multipathway, and multiselection mechanism that includes anti-inflammatory and analgesic effects. This study provides a theoretical basis for future research into targeted molecular therapies for AS.
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Cherqaoui B, Araujo LM, Glatigny S, Breban M. Axial spondyloarthritis: emerging drug targets. Expert Opin Ther Targets 2021; 25:633-644. [PMID: 34431431 DOI: 10.1080/14728222.2021.1973429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
INTRODUCTION Axial spondyloarthritis (AxSpA) is an inflammatory disorder that affects the joints, entheses, and bone tissues and is sometimes associated with psoriasis, anterior uveitis, and gut inflammation. Its pathogenesis is not wholly understood and treatment strategies require optimization. Data concerning AxSpA pathogenesis support a critical role of abnormal CD4+ T cell differentiation and exacerbated type 3 immune response. This knowledge boosted the development of interleukin (IL)-17 and Janus kinase inhibitors for AxSpA treatment beyond tumor necrosis factor-α inhibition. AREAS COVERED Emerging drug targets in animal and cellular models and with phase-II clinical trials have been evaluated. We also reflect on key issues for preclinical and clinical research going forward. EXPERT OPINION Some of the most promising approaches include: (i) modulation of transforming growth factor-β family that could exert a specific role on bone formation; (ii) blockade of granulocyte-macrophage colony-stimulating factor that could reduce type 3 immune responses, and (iii) rebalancing of biased immune response by cytokines such as IL-2 or IL-27 that could favor anti-inflammatory response and sustained drug-free remission. Multiomics tools and artificial intelligence could contribute to identification of optimal targets and help stratify patients for the most appropriate treatment options.
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Affiliation(s)
- Bilade Cherqaoui
- Infection & Inflammation, Umr 1173, Inserm, UVSQ/Université Paris Saclay - 2, Avenue De La Source De La Bièvre, Montigny-le-Bretonneux, France.,Inflamex - Laboratory of Excellence, University of Paris, France
| | - Luiza M Araujo
- Infection & Inflammation, Umr 1173, Inserm, UVSQ/Université Paris Saclay - 2, Avenue De La Source De La Bièvre, Montigny-le-Bretonneux, France.,Inflamex - Laboratory of Excellence, University of Paris, France
| | - Simon Glatigny
- Infection & Inflammation, Umr 1173, Inserm, UVSQ/Université Paris Saclay - 2, Avenue De La Source De La Bièvre, Montigny-le-Bretonneux, France.,Inflamex - Laboratory of Excellence, University of Paris, France
| | - Maxime Breban
- Infection & Inflammation, Umr 1173, Inserm, UVSQ/Université Paris Saclay - 2, Avenue De La Source De La Bièvre, Montigny-le-Bretonneux, France.,Inflamex - Laboratory of Excellence, University of Paris, France.,Department of Rheumatology, Ambroise Paré Hospital, Ap-hp - 9, Avenue Charles De Gaulle, Boulogne, France
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Wang Z, Song X, Fang Q, Xia W, Luo A. Polymorphism of IL-1β rs16944(T/C) Associated with Serum Levels of IL-1β and Subsequent Stimulation of Extracellular Matrix Degradation Affects Intervertebral Disk Degeneration Susceptibility. Ther Clin Risk Manag 2021; 17:453-461. [PMID: 34079267 PMCID: PMC8163728 DOI: 10.2147/tcrm.s308653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 05/04/2021] [Indexed: 11/23/2022] Open
Abstract
Purpose To investigate the association of polymorphism of IL-1β rs16944(T/C) with intervertebral disk degeneration (IDD), explore the possible mechanism and evaluate the predictive value of IL-1β for IDD. Patients and Methods A total of 196 consecutive patients with IDD were recruited, and 196 healthy controls were matched to these patients based on sex and age (±3 years). The polymorphisms of IL-1β rs16944(T/C), rs1143623(G/C), rs10490571(T/C) and rs2853550(A/G) were determined, and serum IL-1β, MMP-1, MMP-3, MMP-9 and a disintegrin-like and metalloproteinase with thrombospondin motif-4 (ADAMTS-4) levels were measured. Univariate analysis was performed with Student t-test or one-way ANOVA followed by post hoc and Chi-square test. Variables with two-sided P<0.10 were included in multivariate analysis, which employed a backward stepwise logistic regression model. Receiver operating characteristic (ROC) curve was used to evaluate the predictive value. Results Multivariate analysis showed that the polymorphism of IL-1β rs16944(T/C) was independently associated with IDD. The risk for IDD was significantly increased in TT and TC genotype compared with CC genotype, and the OR of TT genotype was higher than that of TC genotype. ANOVA analysis showed that serum concentration of IL-1β was highest in IL-1β rs16944 TT genotype, intermediate in TC genotype, and lowest in CC genotype. Similarly, serum concentrations of MMP-3 and ADAMTS-4 demonstrated the same tendency of TT > TC > CC genotype. Serum concentrations of MMP-1 and MMP-9 were higher in TT genotype than in TC and CC genotype. The area under curve (AUC) of IL-1β levels in predicting IDD was 0.788 (SE: 0.023, P=0.001, 95% CI: 0.742–0.834), and the predictive value was modest with a sensitivity of 77.0% and a specificity of 75%. Conclusion Polymorphism of IL-1β rs16944(T/C) affected IDD susceptibility through upregulation of serum levels of IL-1β and subsequent stimulation of ECM degradation. IL-1β levels could be applied in predicting IDD.
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Affiliation(s)
- Zhao Wang
- Department of Orthopedics, The Second Poverty Relief Hospital of Xinjiang Uygur Autonomous Region (The Fifth People's Hospital of Xinjiang Uygur Autonomous Region), Urumqi, Xinjiang, People's Republic of China
| | - Xiaoxia Song
- Department of Critical Care Medicine, The Second Poverty Relief Hospital of Xinjiang Uygur Autonomous Region (The Fifth People's Hospital of Xinjiang Uygur Autonomous Region), Urumqi, Xinjiang, People's Republic of China
| | - Qingbo Fang
- Department of Vascular Surgery, People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, Xinjiang, People's Republic of China
| | - Weige Xia
- Department of Orthopedics, The Second Poverty Relief Hospital of Xinjiang Uygur Autonomous Region (The Fifth People's Hospital of Xinjiang Uygur Autonomous Region), Urumqi, Xinjiang, People's Republic of China
| | - Aihua Luo
- Department of Critical Care Medicine, The Second Poverty Relief Hospital of Xinjiang Uygur Autonomous Region (The Fifth People's Hospital of Xinjiang Uygur Autonomous Region), Urumqi, Xinjiang, People's Republic of China
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Liu L, Zhai Z, Wang D, Ding Y, Chen X, Wang Q, Shu Z, Wu M, Chen L, He X, Fan D, Pan F, Xing M. The association between IL-1 family gene polymorphisms and colorectal cancer: A meta-analysis. Gene 2020; 769:145187. [PMID: 32998046 DOI: 10.1016/j.gene.2020.145187] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Revised: 07/26/2020] [Accepted: 09/23/2020] [Indexed: 12/12/2022]
Abstract
BACKGROUND Colorectal cancer (CRC) is a major public health problem given its high incidence and mortality. This study focuses on examining the associations between IL-1α, IL-1β, and IL-1RN polymorphisms and colorectal cancer susceptibility. METHODS A systematic literature search of PubMed, Embase, Web of Science, CNKI (China National Knowledge Infrastructure) and Wan Fang databases was conducted to identify relevant studies. Relevant data were extracted from the original included studies. The correlation was demonstrated based on the odds ratio (OR) and corresponding 95% confidence intervals (95% CIs). Publication bias was investigated by Egger's line regression test and Begg's funnel plot. RESULTS Eighteen independent studies involving 6218 cases and 10160 controls were eligible for this pooled analysis. Overall, the result revealed that the IL-1α rs3783553 polymorphism was significantly associated with an increased risk of CRC (G vs. C, OR = 1.02, 95% CI = 0.90-1.15, I2 = 51%, P = 0.78; GG vs. CC, OR = 1.97, 95% CI = 1.04-3.74, I2 = 70%, P = 0.04; GC vs. CC, OR = 1.75, 95% CI = 1.12-2.75, I2 = 42%, P = 0.01; GG + GC vs. CC, OR = 1.85, 95% CI = 1.08-3.18, I2 = 63%, P = 0.03; and GG vs. GC + CC, OR = 1.28, 95% CI = 1.04-1.58, I2 = 39%, P = 0.02), and significance was also noted for IL-1RN VNTR under the dominant model (22 + 2L vs. LL, OR = 1.49, 95% CI = 1.01-2.19, I2 = 77%, P = 0.045) and allelic contrast model (2 vs. L, OR = 1.28, 95% CI = 1.00-1.64, I2 = 58.6%, P = 0.047). For IL-1β + 31C/T, significance was observed in the dominant model (CC + CT vs. TT, OR = 0.83, 95% CI = 0.69-0.99, I2 = 52%, P = 0.034) and the heterozygous model (CT vs. TT, OR = 0.80, 95% CI = 0.65-0.98, I2 = 60%, P = 0.04). For IL-1β + 511 C/T, a significant association was noted in four gene models (CT vs. TT, OR = 0.72, 95% CI = 0.63-0.83, I2 = 0%, P < 0.001; CC + CT vs. TT, OR = 0.74, 95% CI = 0.65-0.84, I2 = 0%, P < 0.001; CC vs. TT, OR = 0.77, 95% CI = 0.65-0.91, I2 = 30.9%, P = 0.003; C vs. T, OR = 0.87, 95% CI = 0.80-0.95, I2 = 38%, P = 0.001), but a significant relationship was not found in the recessive model (CC vs. CT + TT, OR = 1.09, 95% CI = 0.86-1.38, I2 = 57.1%, P = 0.25). In addition, borderline statistical significance was noted between IL-1β + 3954 Ins/Del and CRC in the homozygous model, but no significance was identified for IL-1β + 3737 G/A, Il-1β + 1464 G/C, and IL-1RN + 2018 T/C under all five genetic models. In the subgroup analysis of ethnic groups, significant associations with CRC were found for IL-1β + 31 (CC vs. TT: OR = 0.82, 95% CI = 0.67-0.99, I2 = 20.2%, P = 0.04; CT vs. TT: OR = 0.62, 95% CI = 0.47-0.82, I2 = 0%, P < 0.001; CC + CT vs. TT: OR = 0.69, 95% CI = 0.55-0.87, I2 = 29.7%, P = 0.001), IL-1β + 511 (CT vs. TT, OR = 0.65, 95% CI = 0.55-0.77, I2 = 0%, P < 0.001; CC + CT vs. TT, OR = 0.67, 95% CI = 0.58-0.78, I2 = 0%, P < 0.001; C vs. T, OR = 0.83, 95% CI = 0.75-0.92, I2 = 49.6%, P < 0.001) and IL-1RN + 2018 T/C in the allelic contrast model (T vs. C, OR = 0.66, 95% CI = 0.44-0.98, I2 = 0%, P = 0.04) among Asians but not in Caucasians. A significant association between IL-1β + 1464 G/C polymorphisms in Caucasians was observed under the recessive model (OR = 0.87, 95% CI = 0.77-0.98, I2 = 45%, P = 0.03). CONCLUSION The current meta-analysis demonstrated that IL-1α rs3783553, IL-1β + 31C/T, IL-1β + 511C/T, and IL-1RN VNTR are critical genes for CRC susceptibility.
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Affiliation(s)
- Li Liu
- Library, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China; Department of Epidemiology and Statistics, School of Public Health, Anhui Medical University, Hefei, China
| | - Zhenglong Zhai
- Department of Hepatobiliary & Pancreatic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Danyang Wang
- Department of Colorectal Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Yun Ding
- Library, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Xiaoqing Chen
- Library, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Qiqi Wang
- Department of Cardiology and Atrial Fibrillation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Zheyue Shu
- Department of Hepatobiliary & Pancreatic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Minglan Wu
- Zhejiang Provincial Key Laboratory for Drug Evaluation and Clinical Research, Research Center for Clinical Pharmacy, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Lei Chen
- Information Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Xuelin He
- Kidney Disease Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Dazhi Fan
- Foshan Institute of Fetal Medicine, Southern Medical University Affiliated Maternal & Child Health Hospital of Foshan, 11 Renminxi Road, Foshan 528000, Guangdong, China; Department of Epidemiology and Statistics, School of Public Health, Anhui Medical University, Hefei, China
| | - Faming Pan
- Department of Epidemiology and Statistics, School of Public Health, Anhui Medical University, Hefei, China
| | - Meiyuan Xing
- Library, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China.
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