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IL-17 gene polymorphism

Hua Chen, Shifang Ding, Xi Liu, Jia Liu, Yun Wu, Xiayin Wu
OBJECTIVES: To investigate the influence of IL-6 single nucleotide polymorphisms (SNPs), additional gene-gene and gene-environment interactions on coronary artery disease (CAD) risk. METHODS: A total of 751 participants (429 CAD patients and 322 controls) were recruited in this study. Logistic regression analysis was conducted to evaluate the association of IL-6 SNPs with CAD risk and generalized multifactor dimensionality reduction (GMDR) was performed to investigate the best interaction combinations for gene-gene and gene-environment interactions...
June 11, 2018: Clinical and Experimental Hypertension: CHE
Rami M Elshazli, Doaa O Salman, Maha M Kamel, Eman A Toraih, Manal S Fawzy
Interleukin-17 (IL-17) is a critical cytokine involved in inflammation-associated cancers. Single nucleotide polymorphisms (SNPs) might promote carcinogenesis. In this current meta-analysis, we investigated the association of IL-17A and IL-17F gene polymorphisms with gastric cancer (GC) risk. Eligible genetic association studies were retrieved from PubMed, Web of Science and Scopus database sources. Two reviewers independently assessed methodological quality and extracted data from eligible articles. Pooled odds ratios (ORs) and 95% confidence intervals (CIs) were calculated...
June 2, 2018: Molecular Biology Reports
Naoki Omori, Mikio Watanabe, Naoya Inoue, Junpei Taniguchi, Yoh Hidaka, Yoshinori Iwatani
The prognosis of autoimmune thyroid disease (AITD) is difficult to predict. Th2 cells suppress the differentiation of Th1 and Th17 cells, which are associated with the prognosis of AITD. However, there are few reports as to whether Th2 chemotaxis-related genes, such as CRTH2 (chemoattractant receptor-homologous molecule expressed on Th2 cells), IL-25, TARC/CCL17 (Thymus and activation regulated chemokine/chemokine ligand 17) or STAT6 (Signal transducer and activator of transcription 6), affect the pathology of and/or susceptibility to AITD...
May 30, 2018: Endocrine Journal
Donglei Wu, Jinglei Xin, Jing Liu, Peng Zhou
OBJECTIVE: To assess the association between interleukin gene polymorphism and recurrent aphthous stomatitis (RAS). DESIGNS: Two electronic databases, PubMed and Embase, were utilized to assemble potentially relevant studies meeting the inclusion criteria. A meta-analysis was conducted using Revman 5.3 software (London, UK), and the pooled odds ratio (OR) and 95% confidence interval (CI) were then used to evaluate the strength of the relationship between the gene polymorphisms of IL-1beta(-511C/T), IL-1beta(+3954C/T), IL-6(-174G/C) and IL-10(-1082G/A) and the risk of RAS...
May 22, 2018: Archives of Oral Biology
U Syrbe, X Baraliakos
Spondyloarthritis (SpA) describes the group of inflammatory diseases characterized by inflammation within axial joints and/or peripheral arthritis, enthesitis, and dactylitis. Disease development is strongly determined by genes and particularly associated with the presence of HLA-B27. Transgenic expression in animal models leads to induction of a SpA-like disease, suggesting a direct effect of HLA-B27 on disease development. Genome-wide association studies in SpA patients have identified further associations between polymorphisms in genes with an immune function, in particular in genes controlling the interleukin (IL)-23/IL-17 signaling pathway...
May 16, 2018: Zeitschrift Für Rheumatologie
Jie Zhang, Taiqiang Zhao, Chengjie Xu, Hua Yu
OBJECTIVE: IL-22 plays an important role in cancer carcinogenesis. However, the association between IL-22 polymorphisms and cancer risk was inconclusive. The objective of the current study was to assess these associations by meta-analysis. METHODS: PubMed, EMbase, CNKI, VIP, and Wanfang databases were searched up to 31 January 2018. The results were screened according to the inclusion and exclusion criteria. The associations between polymorphisms and cancer risk were estimated by meta-analysis...
May 14, 2018: Journal of Evidence-based Medicine
Sara Harsini, Amene Saghazadeh, Saharnaz Nedjat, Nima Rezaei
BACKGROUND: Cytokine genes, including interleukin-10 (IL-10), are known to play important roles in the pathogenesis of juvenile idiopathic arthritis (JIA). This study aims to determine whether the IL-10 polymorphisms confer susceptibility to JIA. METHODS: A meta-analysis was performed on the associations between the IL-10 -1082 G/A, -592 C/A, and -819 C/T polymorphisms and JIA. A total number of 7 studies involving 1,785 patients and 6,142 controls were considered in the meta-analysis...
March 1, 2018: European Cytokine Network
Reena Kumari, Sandeep Kumar, Mohammad Kaleem Ahmad, Rajeev Singh, Shashi Kant Kumar, Akshayaya Pradhan, Sharad Chandra, Sudhir Kumar
BACKGROUND: Tumor necrosis factor-alpha (TNF-α) are considered as a pro inflammatory and interleukin-10 (IL-10) anti inflammatory have been shown to predict the risk of incident of coronary artery disease (CAD). The polymorphism at promoter of TNF-α and IL-10 has been shown to increase transcriptional activity of the gene and play a important role in patho physiology of CAD. Aim of present study is to examine the impact of the TNF-α and IL-10 variant allele on various markers of the CAD and to study its relation with circulating TNF-α and IL-10 levels...
May 4, 2018: Cytokine
Ulas Emre Akbulut, Hamdi Cihan Emeksiz, Senol Citli, Hamdi Cihan Emeksiz, Hatice Ayca Ata Korkmaz, Gaye Baki
OBJECTIVE: The prevalence of non-alcoholic fatty liver disease in children has risen significantly, owing to the worldwide childhood obesity epidemic in the last two decades. Non-alcoholic fatty liver disease is closely linked to sedentary lifestyle, increased body mass index, and visceral adiposity. In addition, individual genetic variations also have a role in the development and progression of non-alcoholic fatty liver disease. The aim of this study was to investigate the gene polymorphisms of MCP-1 (-2518 A/G) (rs1024611), CCR-2 (190 G/A) (rs1799864), ABCA1 (883 G/A) (rs4149313), and IL-17A (-197 G/A) (rs2275913) in obese Turkish children with non-alcoholic fatty liver disease...
May 4, 2018: Jornal de Pediatria
Fatemeh Hoseini, Sanaz Mahmazi, Khalil Mahmoodi, Gholam Ali Jafari, Mohammad Soleiman Soltanpour
Objectives: Interleukin-18 (IL-18) is a proinflammatory and proatherogenic cytokine, and its genetic variations may contribute to the development of coronary artery disease (CAD). We sought to investigate the role of -137G/C polymorphism and gene expression levels of IL-18 in patients with CAD. Methods: The study population included 100 patients with angiographically proven CAD and 100 matched controls. Total RNA and DNA were extracted from leukocytes using appropriate kits...
March 2018: Oman Medical Journal
Walter F Tetzlaff, Tomás Meroño, Eliana E Botta, Maximiliano E Martín, Patricia B Sorroche, Laura E Boero, Marcelo Castro, Gustavo D Frechtel, Jorge Rey, Jorge Daruich, Gloria E Cerrone, Fernando Brites
Primary iron overload (IO) is commonly associated with mutations in the hereditary hemochromatosis gene (HFE). Nonetheless, other genetic variants may influence the development of IO beyond HFE mutations. There is a single nucleotide polymorphism (SNP) at - 174 G>C of the interleukin (IL)-6 gene which might be associated with primary IO. Our aim was to study the association between the SNP - 174 G>C gene promoter of IL-6 and primary IO in middle-aged male patients. We studied 37 men with primary IO diagnosed by liver histology...
April 14, 2018: Annals of Hematology
Mohd Jahid, Rehan-Ul-Haq, Rajnish Avasthi, Rafat Sultana Ahmed
BACKGROUND: Rheumatoid arthritis (RA) is an autoimmune inflammatory disorder of unknown etiology. IL-10 stimulates B cell survival and is involved in antibody isotype switching. The serum IL-10 levels are increased in RA patients. Ethnicity influences polymorphisms in cytokine genes. Therefore, this study was designed to explore possible association, if any, between polymorphism of IL10-1082 A/G, serum cytokine levels, inflammatory markers and gene expression in RA patients of North India...
May 2018: Clinical Biochemistry
R Wang, Y-L Zeng, H-M Qin, Y-L Lu, H-T Huang, M Lei, T Tan, Y-Y Huang, H-C Luo, Y Lan, Y-S Wei
The aim of this study was to investigate the association between the single-nucleotide polymorphisms (SNPs) of the interleukin 22 (IL-22) gene and systemic lupus erythematosus (SLE) in a Chinese population. Three IL-22 SNPs (rs2227485, rs2227513 and rs2227491) were genotyped using SNaPshot SNP genotyping assays and identified by sequencing in 314 SLE patients and 411 healthy controls. The IL-22 level of serum was assessed by enzyme-linked immunosorbent assay (ELISA) kits. Data were analysed by spss version 17...
March 30, 2018: Clinical and Experimental Immunology
Tarak Dhaouadi, Mayssa Chahbi, Youssra Haouami, Imen Sfar, Leila Abdelmoula, Taieb Ben Abdallah, Yousr Gorgi
BACKGROUND: Interleukin-17 (IL-17), a cytokine mainly secreted by Th17 cells, seems to play a significant role in the pathogenesis of rheumatoid arthritis (RA). Functional genetic polymorphisms in IL-17 and its receptor genes can influence either qualitatively or quantitatively their functions. Therefore, we aimed to study the impact of IL17-A and IL17RC polymorphisms on plasma level of IL-17 and RA susceptibility and severity. METHODS: In this context, IL-17A*rs2275913 and IL-17RC*rs708567 polymorphisms were investigated together with the quantification of IL17 plasma level in 115 RA patients and 91 healthy control subjects matched in age, sex and ethnic origin...
2018: PloS One
Maryam Karkhane, Seyed Reza Mohebbi, Pedram Azimzadeh, Hasti Avarandeh, Shabnam Kazemian, Afsaneh Sharifian, Behzad Hatami, Hamid Asadzadeh Aghdaei
Aim: Our goal was to identify the putative association of rs4072111 variant in IL-16 gene and HCV susceptibility in an Iranian population. Background: Interleukin 16 (IL-16), a multifunctional cytokine, plays a vital role in modulation of immune system. Methods: In present case control and cross sectional study, IL-16 gene variant in 300 patients with hepatitis C (HCV) infection and 300 healthy individuals were analyzed. To evaluate this possible association, genomic DNA from venous blood was extracted and genotypes of IL-16 rs4072111 variant were determined by polymerase chain reaction- Fragments Length Polymorphism Technique (PCR-RFLP)...
2018: Gastroenterology and Hepatology From Bed to Bench
Weiran Dai, Ziliang Ye, Haili Lu, Qiang Su, Hui Li, Lang Li
Background: The results showed that there was a certain correlation between the single nucleotide polymorphism of IL-10-1082G/A and rheumatic heart disease, but there was no systematic study to verify this conclusion. Aims: Systematic review of the association between single nucleotide polymorphism of IL-10-1082G/A locus and rheumatic heart disease. Materials and Methods: Computer retrieval PubMed, EMbase, Cochrane Library, CBM, CNKI, VIP and Data WanFang, the retrieval time limit from inception to June 2017...
February 23, 2018: Oncotarget
Hui Tang, Hua Pei, Qianfeng Xia, Yimei Tang, Ji Huang, Jie Huang, Fang Pei
Interleukin-17A (IL-17A) has been implicated in the pathogenesis of viral myocarditis (VMC). However, the role of IL-17A polymorphisms in susceptibility to VMC has not been reported to date. The aim of this study was to explore the association between IL-17A variants as well as serum IL-17 levels with VMC. Three single-nucleotide polymorphisms (SNPs) (rs2275913, rs3819025, and rs3748067) were analyzed by the polymerase chain reaction-restriction fragment length polymorphism method in 236 VMC patients and 259 controls from China...
April 2018: Experimental and Molecular Pathology
Qi Zhang, Hua Li, Shengping Hou, Hongsong Yu, Guannan Su, Bolin Deng, Jian Qi, Chunjiang Zhou, Aize Kijlstra, Peizeng Yang
BACKGROUND: Protein tyrosine phosphatases (PTPs) play critical roles in human autoimmunity. Previous studies found that PTPN2 may be the key regulatory factor in the T-cell-mediated immune response. PTPN2 regulates the Janus kinase/signal transducers and activators of transcription pathway by inhibiting signalling via the interleukin (IL)-2 receptor (CD122). An association between genetic variations in PTPN2 and CD122 with ocular Behcet's disease (BD) has not yet been addressed and was therefore the purpose of this study...
March 3, 2018: British Journal of Ophthalmology
Bita Moudi, Zahra Heidari, Hamidreza Mahmoudzadeh-Sagheb, Mehrnoosh Moudi
Background: Interleukin-10 (IL-10) is an anti-inflammatory cytokine that has important roles in the periodontal diseases. The IL10-1082, -819, and -592 polymorphisms in the promoter region of IL-10 gene have been associated with various IL-10 expressions. The aim of this study was to investigate the association between these gene polymorphisms with chronic periodontitis in a sample of Iranian populations from Southeast of Iran. Materials and Methods: IL-10 single nucleotide polymorphisms were analyzed in 210 patients with chronic periodontitis (CP) and 100 individuals without CP by polymerase chain reaction-restriction fragment length polymorphism method...
January 2018: Dental Research Journal
Doo Young Bae, Sang Mi Eum, Sang Woo Lee, Jin-Hyub Paik, Soo-Yong Kim, Mihyun Park, Changyoung Lee, The Bach Tran, Van Hai Do, Jae-Yun Heo, Eun-Soo Seong, Il-Seop Kim, Ki-Young Choi, Jin Sung Hong, Rahul Vasudeo Ramekar, Sangho Choi, Jong-Kuk Na
To broaden and delve into the genomic information of Clausena excavata , an important medicinal plant in many Asian countries, RNA sequencing (RNA-seq) analysis was performed and a total of 16,638 non-redundant unigenes (≥ 300 bp) with an average length of 755 bp were generated by de novo assembly from 17,580,456 trimmed clear reads. The functional categorization of the identified unigenes by a gene ontology (GO) term resulted in 2305 genes in the cellular component, 5577 in the biological processes, and 8056 in the molecular functions, respectively...
March 2018: 3 Biotech
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