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IL-17 gene polymorphism

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https://www.readbyqxmd.com/read/28225209/association-of-the-il-10-receptor-a536g-s138g-loss-of-function-variant-with-multiple-sclerosis-in-tunisian-patients
#1
Nadia Ben Fredj, Mouna Aissi, Walid Ben Selma, Imen Mahmoud, Faten Nefzi, Mahbouba Frih-Ayed, Jalel Boukadida, Mahjoub Aouni
Interleukin-10 (IL-10), a potent anti-inflammatory T-cell cytokine, has been shown to be a regulatory cytokine that is associated with disease remission in multiple sclerosis (MS) and exerts its activity through its cognate cell surface receptor complex, IL-10 receptor 1 (IL-10R1) and IL-10R2. The purpose of this study was to investigate the IL-10R1 S138G loss-of-function polymorphism (A536G: rs3135932) for possible influence on susceptibility and outcome of MS in Tunisian patients. A total of 103 Tunisian MS patients and 160 control subjects were studied...
February 22, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28212655/elderly-onset-hereditary-pulmonary-alveolar-proteinosis-and-its-cytokine-profile
#2
Masayuki Ito, Kazuyuki Nakagome, Hiromitsu Ohta, Keiichi Akasaka, Yoshitaka Uchida, Atsushi Hashimoto, Ayako Shiono, Toshinori Takada, Makoto Nagata, Jun Tohyama, Koichi Hagiwara, Minoru Kanazawa, Koh Nakata, Ryushi Tazawa
BACKGROUND: Pulmonary alveolar proteinosis (PAP) is a rare lung disease characterized by surfactant accumulation, and is caused by disruption of granulocyte/macrophage colony-stimulating factor (GM-CSF) signaling. Abnormalities in CSF2 receptor alpha (CSF2RA) were reported to cause pediatric hereditary PAP. We report here the first case of CSF2RA-mutated, elderly-onset hereditary (h) PAP. CASE PRESENTATION: The patient developed dyspnea on exertion, and was diagnosed with PAP at the age of 77 years, based on findings from chest computed tomography scan and bronchoalveolar lavage...
February 17, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28167095/genome-wide-interaction-study-of-dust-mite-allergen-on-lung-function-in-children-with-asthma
#3
Erick Forno, Joanne Sordillo, John Brehm, Wei Chen, Takis Benos, Qi Yan, Lydiana Avila, Manuel Soto-Quirós, Michelle M Cloutier, Angel Colón-Semidey, Maria Alvarez, Edna Acosta-Pérez, Scott T Weiss, Augusto A Litonjua, Glorisa Canino, Juan C Celedón
BACKGROUND: Childhood asthma is likely the result of gene-by-environment (GxE) interactions. Dust mite is a known risk factor for asthma morbidity. Yet, there have been no genome-wide GxE studies of dust mite allergen on asthma-related phenotypes. OBJECTIVE: To identify genetic variants whose effects on lung function in children with asthma are modified by level of dust mite allergen exposure. METHODS: A genome-wide interaction analysis of dust mite allergen level and lung function was performed in a cohort of Puerto Rican children with asthma (PRGOAL)...
February 3, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28148965/rapid-detection-of-functional-gene-polymorphisms-of-tlrs-and-il-17-using-high-resolution-melting-analysis
#4
Johanna Teräsjärvi, Antti Hakanen, Matti Korppi, Kirsi Nuolivirta, Kirsi Gröndahl-Yli-Hannuksela, Jussi Mertsola, Ville Peltola, Qiushui He
Genetic variations in toll-like receptors (TLRs) and IL-17A have been widely connected to different diseases. Associations between susceptibility and resistance to different infections and single nucleotide polymorphisms (SNPs) in TLR1 to TLR4 and IL17A have been found. In this study, we aimed to develop a rapid and high throughput method to detect functional SNPs of above mentioned proteins. The following most studied and clinically important SNPs: TLR1 (rs5743618), TLR2 (rs5743708), TLR3 (rs3775291), TLR4 (rs4986790) and IL17 (rs2275913) were tested...
February 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28143790/association-of-il17a-and-il17f-genes-with-rheumatoid-arthritis-disease-and-the-impact-of-genetic-polymorphisms-on-response-to-treatment
#5
Ouled Salah Marwa, Tizaoui Kalthoum, Kaabachi Wajih, Hamzaoui Kamel
BACKGROUND: Previous studies have reported an association between polymorphisms in Il17A and IL17F genes and the prevalence of rheumatoid arthritis (RA) in Caucasian populations. The aim of the current study was to investigate that polymorphisms in both genes may affect RA susceptibility in the Tunisian population and to study the relation between serum IL-17 levels and synovial fluid (SF) levels and risk in RA patients. We suggested also that these polymorphisms may influence response to treatment in Tunisian RA patients...
January 28, 2017: Immunology Letters
https://www.readbyqxmd.com/read/28112181/il-3-and-ctla4-gene-polymorphisms-may-influence-the-tacrolimus-dose-requirement-in-chinese-kidney-transplant-recipients
#6
Mou-Ze Liu, Hai-Yan He, Yue-Li Zhang, Yong-Fang Hu, Fa-Zhong He, Jian-Quan Luo, Zhi-Ying Luo, Xiao-Ping Chen, Zhao-Qian Liu, Hong-Hao Zhou, Ming-Jie Shao, Ying-Zi Ming, Hua-Wen Xin, Wei Zhang
The highly variable pharmacokinetics and narrow therapeutic window of tacrolimus (TAC) has hampered its clinical use. Genetic polymorphisms may contribute to the variable response, but the evidence is not compelling, and the explanation is unclear. In this study we attempted to find previously unknown genetic factors that may influence the TAC dose requirements. The association of 105 pathway-related single nucleotide polymorphisms (SNPs) with TAC dose-adjusted concentrations (C0/D) was examined at 7, 30 and 90 d post-operation in 382 Chinese kidney transplant recipients...
January 23, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28103273/association-between-genetic-polymorphisms-in-interleukin-genes-and-recurrent-pregnancy-loss-a-systematic-review-and-meta-analysis
#7
Meixiang Zhang, Jiawei Xu, Xiao Bao, Wenbin Niu, Linlin Wang, Linqing Du, Nan Zhang, Yingpu Sun
Interleukins are a group of immunomodulatory proteins that mediate a variety of immune reactions in the human body. To investigate the association between interleukin gene polymorphisms and recurrent pregnancy loss (RPL), we reviewed 21 studies from MEDLINE, EMBASE, OVID SP and PubMed to evaluate RPL-related interleukin gene polymorphisms. Meta-analysis was performed on 12 of the polymorphisms, and a review included the others. Our integrated results indicated that IL-1β (-511C/T) (P = 0.02, 95% CI 0.77[0...
2017: PloS One
https://www.readbyqxmd.com/read/28101335/novel-snps-in-il-17f-and-il-17a-genes-associated-with-somatic-cell-count-in-chinese-holstein-and-inner-mongolia-sanhe-cattle
#8
Tahir Usman, Yachun Wang, Chao Liu, Yanghua He, Xiao Wang, Yichun Dong, Hongjun Wu, Airong Liu, Ying Yu
BACKGROUND: Bovine mastitis is the most common and costly disease of lactating cattle worldwide. Apart from milk somatic cell count (SCC) and somatic cell score (SCS), serum cytokines such as interleukin-17 (IL-17) and interleukin-4 (IL-4) may also be potential indicators for bovine mastitis. The present study was designed to investigate the effects of single nucleotide polymorphisms (SNPs) in bovine IL-17F and IL-17A genes on SCC, SCS and serum cytokines in Chinese Holstein and Inner-Mongolia Sanhe cattle, and to compare the mRNA expression variations of the cows with different genotypes...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28094303/genetic-polymorphisms-of-rs3077-and-rs9277535-in-hla-dp-associated-with-systemic-lupus-erythematosus-in-a-chinese-population
#9
Junlong Zhang, Wenli Zhan, Bin Yang, Anning Tian, Lin Chen, Yun Liao, Yongkang Wu, Bei Cai, Lanlan Wang
Although the SLE risk gene loci of HLA-DR and HLA-DQ within the major histocompatibility complex (MHC) region has been gradually revealed by recent Genome-Wide Association studies (GWAS), the association of HLA-DP polymorphisms with SLE was minimally reported. Considering that the variants in rs3077 and rs9277535 in the HLA-DP region could influence the immune response by affecting antigen presentation of HLA class II molecules to CD4(+) T cells, the present study aimed to explore the role of HLA-DP polymorphisms in SLE...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28069745/associations-between-circulating-il-17-levels-and-rheumatoid-arthritis-and-between-il-17-gene-polymorphisms-and-disease-susceptibility-a-meta-analysis
#10
Young Ho Lee, Sang-Cheol Bae
OBJECTIVES: To systematically review evidence regarding the relationship between circulating interleukin-17 (IL-17) levels and rheumatoid arthritis (RA), and associations between polymorphisms in IL-17 genes and RA susceptibility. METHOD: We performed a meta-analysis of serum/plasma IL-17 levels in patients with RA and controls, and evaluated evidence of associations between the rs2275913, rs3819024, rs4711998 and rs8193036 polymorphisms in IL-17A and the rs763780 and rs2397084 polymorphisms in IL-17F and risk for RA...
January 9, 2017: Postgraduate Medical Journal
https://www.readbyqxmd.com/read/28053319/pre-diagnostic-genotyping-identifies-t1d-subjects-with-impaired-treg-il-2-signaling-and-an-elevated-proportion-of-foxp3-il-17-cells
#11
A K Marwaha, C Panagiotopoulos, C M Biggs, S Staiger, K L Del Bel, A F Hirschfeld, J J Priatel, S E Turvey, R Tan
T-regulatory cells (Tregs) are essential for immune tolerance, and animal studies implicate their dysfunction in type 1 diabetes (T1D) pathogenesis. Tregs require interleukin-2 (IL-2) for their suppressive function, and variants in IL-2/IL-2R pathway genes have been associated with T1D. We previously reported that recent-onset T1D subjects have an increased population of FOXP3(lo) Tregs that secrete the pro-inflammatory cytokine, interleukin-17 (IL-17). We hypothesize that IL-2 signaling defects may drive T1D development by skewing protective Tregs towards an inflammatory Th17 phenotype...
January 5, 2017: Genes and Immunity
https://www.readbyqxmd.com/read/28043521/interleukin-10-gene-polymorphism-is-associated-with-multi-drug-resistant-tuberculosis-during-the-intensive-phase-of-standard-chemotherapy
#12
Butov Dmytro, Kuzhko Mykhailo, Butova Tetyana Kuzhko
OBJECTIVE/BACKGROUND: To study whether interleukin (IL)-10 gene polymorphism is associated with multi-drug resistant tuberculosis (MDR TB) during the intensive phase of standard chemotherapy. METHODS: The study comprised 170 individuals in Kharkiv region of Ukraine including 74 patients with pulmonary MDR TB (Group 1), 66 patients without MDR TB (Group 2), and 30 healthy donors (Group 3). Serum level of IL-10 was evaluated by enzyme-linked immunosorbent assay (pg/L)...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28027921/t-helper-2-cytokine-regulatory-t-cell-gene-polymorphisms-and-their-relation-with-risk-of-psoriasis-in-a-south-indian-tamil-cohort
#13
Sundar Indhumathi, Medha Rajappa, Laxmisha Chandrashekar, Palghat Hariharan Ananthanarayanan, Devinder Mohan Thappa, Vir Singh Negi
BACKGROUND: Psoriasis is known to be associated with an up-regulation of T-helper (Th)-1 & Th-17 cytokines and a relative down-regulation of Th-2 and T-regulatory (T-reg) cytokines. Certain allelic variants of these cytokine genes may alter Th1/Th17 and Th2/T-reg balance and may be associated with the risk of psoriasis. Hence we aimed to determine the association of IL-4 (rs2243250), IL-10 (rs1800871 and rs1800896) and FOXP3 (rs3761548) gene polymorphisms with risk of psoriasis in South Indian Tamils...
February 2017: Human Immunology
https://www.readbyqxmd.com/read/28012172/mhc-class-ii-alleles-associated-with-th1-rather-than-th17-type-immunity-drive-the-onset-of-early-arthritis-in-a-rat-model-of-rheumatoid-arthritis
#14
Jonatan Tuncel, Sabrina Haag, Rikard Holmdahl
Polymorphisms in the MHC class II (MHCII) genes are strongly associated with rheumatoid arthritis, supporting the importance of autoreactive T helper (Th) cells for the development of this disease. Here, we used pristane-induced arthritis (PIA), induced by the non-antigenic hydrocarbon pristane, to study the impact of different MHCII alleles on T-cell activation and differentiation. In MHCII-congenic rats with disease-promoting MHCII alleles, pristane primarily induced activation of Th1 cells, whereas activated T cells were Th17 biased in rats with protective MHCII alleles...
December 24, 2016: European Journal of Immunology
https://www.readbyqxmd.com/read/28002581/investigation-on-the-association-between-il-10-c819t-gene-polymorphisms-and-susceptibility-to-gastric-cancer
#15
L Li, X Y Tang, L M Ye, Q Yang, Y Li
We conducted a case-control study to investigate the association between the interleukin-10 (IL-10) C819T polymorphism and susceptibility to gastric cancer in a Chinese population. A total of 157 patients with gastric cancer and 249 controls were consecutively enrolled from the Guizhou Provincial People's Hospital between October 2012 and February 2015. The polymerase chain reaction-restriction fragment length polymorphism technique was used to genotype for IL-10 C819T. As determined by χ(2)-test, there was a significant difference in genotype distributions of IL-10 C819T between gastric cancer patients and controls (χ(2) = 7...
December 19, 2016: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/27890033/il-8-il-17-gene-variations-and-the-susceptibility-to-severe-viral-bronchiolitis
#16
L A Pinto, L A DE Azeredo Leitão, M Mocellin, P Acosta, M T Caballero, R Libster, J E Vargas, F Polack, T Comaru, R T Stein, A P DE Souza
Clinical manifestations of acute bronchiolitis (AB) vary from minimal disease to severe respiratory failure. The response to respiratory viral infections is possibly influenced by genetic polymorphisms linked to the regulation of the inflammatory response. In the present study, we investigated whether interleukin-8 (IL-8) and interleukin-17 (IL-17) genetic variants are associated with the severity of AB. A group of Brazilian infants hospitalized with AB and a control group (infants with no or mild AB, without hospitalization) were genotyped for four IL-8/IL-17 variations...
November 28, 2016: Epidemiology and Infection
https://www.readbyqxmd.com/read/27876593/intact-interferon-%C3%AE-response-against-coxiella-burnetii-by-peripheral-blood-mononuclear-cells-in-chronic-q-fever
#17
T Schoffelen, J Textoris, C P Bleeker-Rovers, A Ben Amara, J W M van der Meer, M G Netea, J-L Mege, M van Deuren, E van de Vosse
OBJECTIVES: Q fever is caused by Coxiella burnetii, an intracellular bacterium that infects phagocytes. The aim of the present study was to investigate whether the C. burnetii-induced IFN-γ response is defective in chronic Q fever patients. METHODS: IFN-γ was measured in supernatants of C. burnetii-stimulated peripheral blood mononuclear cells (PBMCs) of 17 chronic Q fever patients and 17 healthy individuals. To assess IFN-γ responses, expression profiles of IFN-γ-induced genes in C...
March 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/27799970/polymorphism-of-il-28b-gene-rs12979860-in-hcv-genotype-1patients-treated-by-pegylated-interferon-and-ribavirin
#18
Fahimeh Safarnezhad Tameshkel, Mohammad Hadi Karbalaie Niya, Msuodreza Sohrabi, Mahshid Panahi, Farhad Zamani, Farid Imanzade, Nasser Rakhshani
BACKGROUND: Nowadays, the immune response to hepatitis C (HCV) treatment has become a crucial issue mostly due to the interleukin 28B (IL-28B) polymorphism effects in chronic HCV patients. The aim of this study was to detect the polymorphism of IL-28B gene (rs12979860) in HCV genotype 1 patients treated with pegylated Interferon and Ribavirin. METHODS: From the 2010 to 2012, a total of 115 peripheral blood mononuclear cells (PBMCs) of HCV patients who presented to Gastrointestinal & Liver Disease Research Center (GILDRC), Firoozgar Hospital, Tehran, Iran were enrolled in this retrospective cross sectional study...
2016: Iranian Journal of Pathology
https://www.readbyqxmd.com/read/27785055/il-10-1082a-g-592c-a-and-819t-c-polymorphisms-in-association-with-lung-cancer-susceptibility-a-meta-analysis
#19
Liang Liu, Feng Zheng
Numerous studies have examined the association between interleukin-10 (IL-10 -1082A/G, -592C/A, and -819T/C) gene polymorphisms and risk of lung cancer, but these have revealed inconsistent results. The aim of this study was to clarify the relationship between these polymorphisms and the risk of lung cancer by performing a meta-analysis. The published literature concerning IL-10 polymorphisms and lung cancer risk were retrieved by systematically searching PubMed, Embase, Web of Science, China National Knowledge Infrastructure, WanFang, and Database of Chinese Scientific and Technical Periodicals (VIP) database...
2016: OncoTargets and Therapy
https://www.readbyqxmd.com/read/27774581/a-preliminary-study-of-new-single-polymorphisms-in-the-t-helper-type-17-pathway-for-psoriasis-in-the-korean-population
#20
S Y Kim, M S Hur, B G Choi, M J Kim, Y W Lee, Y B Choe, K J Ahn
Psoriasis is a polygenic and multi-factorial disease showing ethnic differences in terms of its severity and frequency. Therapies targeting interleukin (IL)-17A, IL-17 receptor (IL-17R) and Janus kinases (JAKs) are in clinical development for the treatment of psoriasis, and their success suggests the essential role of these molecules in psoriasis. To investigate the genetic susceptibility in T helper type 17 (Th17) cell signal transduction pathways for promoting psoriasis, we performed candidate gene and linkage disequilibrium analysis...
February 2017: Clinical and Experimental Immunology
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