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Cytokine gene polymorphism

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https://www.readbyqxmd.com/read/28444425/pharmacogenetic-markers-to-predict-the-clinical-response-to-methotrexate-in-south-indian-tamil-patients-with-psoriasis
#1
S Indhumathi, Medha Rajappa, Laxmisha Chandrashekar, P H Ananthanarayanan, D M Thappa, V S Negi
INTRODUCTION: Despite the advent of several new systemic therapies, methotrexate remains the gold standard for the treatment of moderate to severe psoriasis. However, there exists a significant heterogeneity in individual response to methotrexate. There are no consistently reliable markers to predict methotrexate treatment response till date. OBJECTIVES: We aimed to demonstrate the association of certain genetic variants in the HLA (HLA-A2, HLA-B17, and HLA-Cw6) and the non-HLA genes including T-helper (Th)-1, Th-2, Th-17 cytokine genes (IFN-γ, IL-2, IL-4, IL-10, IL-12B, and IL-23R), and T-regulatory gene (FOXP3) with the methotrexate treatment response in South Indian Tamil patients with psoriasis...
April 25, 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28442912/tumor-necrosis-factor-%C3%AE-and-%C3%AE-genetic-polymorphisms-as-a-risk-factor-in-saudi-patients-with-schizophrenia
#2
Saeed Kadasah, Misbahul Arfin, Sadaf Rizvi, Mohammed Al-Asmari, Abdulrahman Al-Asmari
BACKGROUND: Schizophrenia is one of the most common devastating psychiatric disorders that negatively affects the quality of life and psychosocial functions. Its etiology involves the interplay of complex polygenic influences and environmental risk factors. Inflammatory markers are well-known etiological factors for psychiatric disorders, including schizophrenia. OBJECTIVE: The aim of this study was to investigate the association of proinflammatory cytokine genes, tumor necrosis factor (TNF)-α (-308G/A) and TNF-β (+252A/G) polymorphisms with schizophrenia susceptibility...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28438554/interleukin-17f-and-interleukin-6-gene-polymorphisms-in-asian-indian-patients-with-takayasu-arteritis
#3
Debashish Danda, Ruchika Goel, Sumita Danda, Hindhumathi Mohan, George Joseph, Jayakanthan Kabeerdoss, Swapan K Nath
OBJECTIVES: To assess genetic association between single nucleotide polymorphisms (SNPs) in genes encoding T-helper cytokines and Takayasu Arteritis (TA) susceptibility in Indian population. METHODS: In Phase-1, the genomic DNA of 120 TA patients and 119 healthy controls were genotyped for SNPs rs1800795 (interleukin (IL)-6), rs763780 (IL-17F), rs1800871, rs1800872, rs1800896 (IL-10) and rs1800468, rs1800469, rs1800470 (transforming growth factor-β). Allele frequencies between cases and controls were compared using chi-squared test and also reassessed empirically (pe) by 10,000 permutations...
April 21, 2017: Human Immunology
https://www.readbyqxmd.com/read/28436939/an-inflammatory-bowel-disease-risk-variant-in-inava-decreases-pattern-recognition-receptor-induced-outcomes
#4
Jie Yan, Matija Hedl, Clara Abraham
Inflammatory bowel disease (IBD) is characterized by dysregulation in both cytokines and responses to intestinal microbes, and proper regulation of pattern recognition receptor (PRR) signaling is critical for intestinal immune homeostasis. Altered functions for the IBD risk locus containing rs7554511, which encompasses the C1orf106 gene (recently named INAVA), and roles for the protein encoded by the INAVA gene are unknown. Here, we investigated the role of INAVA and INAVA genotype in regulating PRR-initiated outcomes in primary human cells...
April 24, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28435397/leptin-receptor-q223r-polymorphism-in-egyptian-female-patients-with-breast-cancer
#5
Mona Abo-Bakr El-Hussiny, Mohmed Ali Atwa, Waleed Elnahas Rashad, Dalia A Shaheen, Nora Marzouk Elkady
AIM OF THE STUDY: Breast cancer is the most common cause of death in women. Obesity has been associated with increased risk of breast cancer in post-menopausal women. It induces chronic inflammation, which increases local and systemic levels of cytokines and adipokines such as leptin. Leptin (LEP) and leptin receptor (LEPR) genes have several polymorphisms in humans. This study aims to assess the association between blood levels of leptin and LEPR Q223R gene polymorphism in patients of cancer breast...
2017: Contemporary Oncology Współczesna Onkologia
https://www.readbyqxmd.com/read/28433894/a-functional-snp-mcp-1-2518a-g-predispose-to-renal-disorder-in-indian-systemic-lupus-erythematosus-patients
#6
Vinod D Umare, Vandana D Pradhan, Anjali G Rajadhyaksha, Kanjaksha Ghosh, Anita H Nadkarni
Systemic Lupus Erythematosus (SLE) is a clinically heterogeneous chronic, inflammatory autoimmune disorder that affects multiple organs where exact etiology of the disease is not yet clearly understood. Various evidences suggest that genetic polymorphisms in inflammatory mediators like cytokines and chemokines may influence development of the disease. Here, we investigated whether functional polymorphism at the Monocyte Chemoattractant Protein-1 (MCP-1) regulatory region associates with disease phenotype in Indian SLE patients...
April 20, 2017: Cytokine
https://www.readbyqxmd.com/read/28432351/early-measurement-of-il-10-predicts-the-outcomes-of-patients-with-acute-respiratory-distress-syndrome-receiving-extracorporeal-membrane-oxygenation
#7
Chia-Hsiung Liu, Shuenn-Wen Kuo, Wen-Je Ko, Pi-Ru Tsai, Shu-Wei Wu, Chien-Heng Lai, Chih-Hsien Wang, Yih-Sharng Chen, Pei-Lung Chen, Tze-Tze Liu, Shu-Chien Huang, Tzuu-Shuh Jou
Patients diagnosed with acute respiratory distress syndrome are generally severely distressed and associated with high morbidity and mortality despite aggressive treatments such as extracorporeal membrane oxygenation (ECMO) support. To identify potential biomarker of predicting value for appropriate use of this intensive care resource, plasma interleukin-10 along with relevant inflammatory cytokines and immune cell populations were examined during the early and subsequent disease courses of 51 critically ill patients who received ECMO support...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28427438/canine-%C3%AE-defensin-1-cbd1-gene-as-a-possible-marker-for-leishmania-infantum-infection-in-dogs
#8
Lidiane Gomes da Silva, César Raimundo Lima Costa-Júnior, Carlos Alberto Santiago Figueiredo-Júnior, Tereza Cristina Leal-Balbino, Sergio Crovella, Domenico Otranto, Valdir de Queiroz Balbino, Filipe Dantas-Torres
BACKGROUND: Canine leishmaniasis caused by Leishmania infantum is a parasitic disease of great veterinary significance. Some dogs infected by L. infantum may mount a strong cellular immune response and clear the infection, while others may respond with exaggerated antibody production against the parasite and develop an overt disease, which may be fatal, if left untreated. The initial factors triggering the polarization of the immune response towards a predominantly T-helper 1 or T-helper 2 cytokines, as well as the markers of resistance and susceptibility to L...
April 20, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28423456/progesterone-resistance-in-endometriosis-origins-consequences-and-interventions
#9
Bansari G Patel, Martin Rudnicki, Jie Yu, Yimin Shu, Robert N Taylor
Endometriosis is a common cause of pelvic pain and affects up to 10% of women of reproductive age. Aberrant progesterone signaling in the endometrium plays a significant role in impaired decidualization and establishment of ectopic endometrial implants. Eutopic endometrial cells from women with endometriosis fail to downregulate genes needed for decidualization, such as those involved in cell cycle regulation, leading to unbridled proliferation. Several causes of progesterone resistance in the endometrium have been postulated, including congenital "preconditioning", whereby the in utero environment renders infants susceptible to neonatal uterine bleeding and endometriosis...
April 19, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28420494/molecular-regulation-and-role-of-angiogenesis-in-reproduction
#10
REVIEW
Momchil Rizov, Petya Andreeva, Ivanka Dimova
Angiogenesis is an essential process for proper functioning of the female reproductive system and for successful pregnancy realization. The multitude of factors required for physiological angiogenesis and the complexity of regulation of their temporal-spatial activities contribute to aberrations in human fertilization and pregnancy outcomes. In this study, we reviewed the current knowledge of the temporal expression patterns, functions, and regulatory mechanisms of angiogenic factors during foliculogenesis, early implantation/placentation and embryo development, as well as recurrent spontaneous abortions...
April 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28418003/toll-like-receptor-polymorphisms-compromise-the-inflammatory-response-against-bacterial-antigen-translocation-in-cirrhosis
#11
Paula Piñero, Oriol Juanola, Esther Caparrós, Pedro Zapater, Paula Giménez, José M González-Navajas, José Such, Rubén Francés
Bacterial translocation is associated with clinically relevant complications in cirrhosis. We evaluated the effect of toll-like receptor polymorphisms in the soluble response against these episodes. Consecutive patients with cirrhosis and ascitic fluid were distributed by TLR2 rs4696480, TLR4 rs4986790, and TLR9 rs187084 single-nucleotide polymorphisms. Lipoteichoic acid, lipopolyssaccharide, bacterial-DNA, pro-inflammatory cytokines and nitric oxide levels were quantified in serum samples. In vitro response against specific ligands in variant TLR genotypes was evaluated...
April 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28416092/cytokines-and-c-reactive-protein-alterations-with-respect-to-cognitive-impairment-in-schizophrenia-and-bipolar-disorder-a-systematic-review
#12
REVIEW
Błażej Misiak, Bartłomiej Stańczykiewicz, Kamila Kotowicz, Janusz K Rybakowski, Jerzy Samochowiec, Dorota Frydecka
BACKGROUND: The aim of this article was to perform a systematic review of studies investigating the association between peripheral levels of cytokines and C-reactive protein (CRP), cytokine gene polymorphisms and cognition in patients with schizophrenia and bipolar disorder (BD). METHODS: The following databases: PubMed, CINAHL Complete, Academic Search Complete, ERIC and Health Source: Nursing/Academic Edition databases were searched according to the PRISMA guidelines...
April 13, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28412101/genetics-of-recurrent-miscarriage-and-fetal-loss
#13
REVIEW
M H Tur-Torres, C Garrido-Gimenez, J Alijotas-Reig
Despite years of research, miscarriage, particularly when recurrent, continues to pose a medical challenge. An embryo chromosomal error is responsible for 50-60% of recurrent cases; however, up to 30-50% remains an enigma. Successful pregnancy involves different maternal physiologic changes and certain complex interactions between the fetus and the mother by cytokines, angiogenic mediators and hormones. To date, research lines have focused on genetic and epigenetic polymorphisms related mainly to immune response and inflammatory mediators, and have yielded a significant relationship between recurrent miscarriage and immune mechanisms...
March 27, 2017: Best Practice & Research. Clinical Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/28410448/il17a-polymorphism-is-not-associated-with-human-t-lymphotropic-virus-1-associated-myelopathy-tropical-spastic-paraparesis
#14
Heytor V P C Neco, Vanessa G S Teixeira, Ana C L Trindade, Paula M R Magalhães, Virgínia M B Lorena, Luydson R Vasconcelos, Patricia M M F Moura, Clarice N L Morais
The human T-lymphotropic virus 1 (HTLV-1) is the causative agent of HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP). The present study investigated the association between the rs2275913 polymorphism in the IL17A gene and the development of HAM/TSP. Peripheral blood samples were collected from 116 patients (29 symptomatic patients with HAM/TSP and 87 asymptomatic) with a positive diagnosis of HTLV-1. The single nucleotide polymorphism genotyping was carried out by real time quantitative PCR (RT-qPCR) using TaqMan(®) probes...
April 14, 2017: Viral Immunology
https://www.readbyqxmd.com/read/28405733/association-of-il-1%C3%AE-il-1ra-and-fabp1-gene-polymorphisms-with-the-metabolic-features-of-polycystic-ovary-syndrome
#15
Nadia Rashid, Aruna Nigam, Pikee Saxena, S K Jain, Saima Wajid
BACKGROUND: Polycystic ovary syndrome (PCOS), a highly prevalent endocrinopathy is currently being designated as chronic low grade inflammatory state. IL-1β, IL-1Ra and FABP1 are critical mediators of inflammatory processes and are speculated to play a role in the pathogenesis of PCOS. The aim of this study was to study the association of IL-β, IL-1Ra and FABP1 gene polymorphisms with PCOS and related metabolic features. SUBJECTS: 95 PCOS and 45 age matched healthy control subjects were enrolled in this study...
April 12, 2017: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://www.readbyqxmd.com/read/28401452/polymorphism-of-promoter-region-of-tnfrsf1a-gene-610%C3%A2-t%C3%A2-%C3%A2-g-as-a-novel-predictive-factor-for-radiotherapy-induced-oral-mucositis-in-hnc-patients
#16
Anna Brzozowska, Tomasz Powrózek, Iwona Homa-Mlak, Radosław Mlak, Marzanna Ciesielka, Paweł Gołębiowski, Teresa Małecka-Massalska
Every year, about 650 thousand new cases of Head and Neck Cancer (HNC) are diagnosed globally. Apart from surgery, radiotherapy (RTH), chemotherapy (CHT) or its combination is used in the treatment of HNC. One of the most frequent complications and, at the same time, limitations of RTH is oral mucositis (OM). Proinflammatory cytokines (including TNF-α) play a key role in the development of OM. Genetic alterations, i.e. single nucleotide polymorphisms (SNPs) within genes encoding for receptors for TNF (ie. TNFRSF1A) may change their function...
April 11, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28400196/association-of-rnaset2-gene-polymorphisms-with-decreased-expression-and-clinical-characteristics-of-severity-in-crohn-s-disease
#17
Rivkah Gonsky, Phillip Fleshner, Richard L Deem, Eva Biener-Ramanujan, Dalin Li, Alka A Potdar, Janine Bilsborough, Shaohong Yang, Dermot P B McGovern, Stephan R Targan
BACKGROUND & AIMS: Variants in the tumor necrosis factor superfamily member 15 gene (TNFSF15, also called TL1A) have been associated with risk for inflammatory bowel diseases (IBD). TL1A affects expression of multiple cytokines to promote mucosal inflammation. Little is known about the TL1A-response pathways that regulate cytokine expression. We investigated T-cell gene expression patterns to determine the mechanisms by which TL1A regulates cytokine production, and whether these associate with outcomes of patients with Crohn's disease (CD)...
April 8, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28396298/tgf-%C3%AE-1-functional-polymorphisms-a-review
#18
Guilherme Cesar Martelossi Cebinelli, Kleber Paiva Trugilo, Stephanie Badaró Garcia, Karen Brajão de Oliveira
Transforming Growth Factor β (TGF-β) is a multifunctional cytokine that plays a role in several biological processes. TGF-β1 is the most abundantly expressed isoform, associated with susceptibility to various diseases, and several polymorphisms have been described in the TGF-β1 gene structure, and some of them have been associated with functional implications. To date, eight single-nucleotide polymorphisms (SNPs) and one deletion/insertion polymorphism have been shown to affect TGF-β1 expression (rs2317130, rs11466313, rs1800468, rs1800469, rs11466314, rs1800471, rs1800470, and rs11466316); some of these interfere with transcriptional regulation by affecting the binding of transcription factors binding, while others interfere with protein production...
November 1, 2016: European Cytokine Network
https://www.readbyqxmd.com/read/28393844/long-noncoding-rna-linc00305-promotes-inflammation-by-activating-the-ahrr-nf-%C3%AE%C2%BAb-pathway-in-human-monocytes
#19
Dan-Dan Zhang, Wen-Tian Wang, Jian Xiong, Xue-Min Xie, Shen-Shen Cui, Zhi-Guo Zhao, Mulin Jun Li, Zhu-Qin Zhang, De-Long Hao, Xiang Zhao, Yong-Jun Li, Junwen Wang, Hou-Zao Chen, Xiang Lv, De-Pei Liu
Accumulating data from genome-wide association studies (GWAS) have provided a collection of novel candidate genes associated with complex diseases, such as atherosclerosis. We identified an atherosclerosis-associated single-nucleotide polymorphism (SNP) located in the intron of the long noncoding RNA (lncRNA) LINC00305 by searching the GWAS database. Although the function of LINC00305 is unknown, we found that LINC00305 expression is enriched in atherosclerotic plaques and monocytes. Overexpression of LINC00305 promoted the expression of inflammation-associated genes in THP-1 cells and reduced the expression of contractile markers in co-cultured human aortic smooth muscle cells (HASMCs)...
April 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28393393/resistin-polymorphims-plasma-resistin-levels-and-obesity-in-tunisian-volunteers
#20
Nesrine Zayani, Haithem Hamdouni, Imen Boumaiza, Ons Achour, Fadoua Neffati, Asma Omezzine, Mohamed Fadhel Najjar, Ali Bouslama
BACKGROUND: Adipose tissue is an important endocrine organ that secretes a number of adipokines, like Resistin (RETN); it's an adipocytes-secreted cytokine and has been proposed as a link between obesity and diabetes. Many resistin gene polymorphisms were described and their implication in obesity was controversial. This study was to investigate the prevalence of single nucleotide polymorphisms (SNPs) in RETN gene 420C/G; 44G/A; 62G/A; 394C/G and 299 G/A and their association with Resistin level and obesity in Tunisian volunteers...
April 10, 2017: Journal of Clinical Laboratory Analysis
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