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COPD polymorphism

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https://www.readbyqxmd.com/read/29065892/the-value-of-blood-cytokines-and-chemokines-in-assessing-copd
#1
Eric Bradford, Sean Jacobson, Jason Varasteh, Alejandro P Comellas, Prescott Woodruff, Wanda O'Neal, Dawn L DeMeo, Xingnan Li, Victor Kim, Michael Cho, Peter J Castaldi, Craig Hersh, Edwin K Silverman, James D Crapo, Katerina Kechris, Russell P Bowler
BACKGROUND: Blood biomarkers are increasingly used to stratify high risk chronic obstructive pulmonary disease (COPD) patients; however, there are fewer studies that have investigated multiple biomarkers and replicated in multiple large well-characterized cohorts of susceptible current and former smokers. METHODS: We used two MSD multiplex panels to measure 9 cytokines and chemokines in 2123 subjects from COPDGene and 1117 subjects from SPIROMICS. These biomarkers included: interleukin (IL)-2, IL-6, IL-8, IL-10, tumor necrosis factor (TNF)-α, interferon (IFN)-γ, eotaxin/CCL-11, eotaxin-3/CCL-26, and thymus and activation-regulated chemokine (TARC)/CCL-17...
October 24, 2017: Respiratory Research
https://www.readbyqxmd.com/read/29020397/pentraxin-3-gene-polymorphisms-and-pulmonary-aspergillosis-in-copd-patients
#2
Qian He, Hongxing Li, Yuwen Rui, Lulu Liu, Binchan He, Yi Shi, Xin Su
Background: Pentraxin 3 (PTX3) plays an important role in resistance to Aspergillus infections. Previous studies have suggested that PTX3 polymorphisms influence the risk of invasive aspergillosis among transplantation recipients. This study was to investigate the association between PTX3 gene polymorphisms and pulmonary aspergillosis in chronic obstructive pulmonary disease (COPD) population. Methods: We included 173 consecutive inpatients with COPD. 36 cases were finally diagnosed with pulmonary aspergillosis...
August 19, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28990887/il-1%C3%AE-polymorphism-in-copd-patients-in-turkish-population
#3
Onur Baykara, Nuriye Banu Tömekçe Taşkıran, Şadan Soyyiğit, Nur Buyru
Introduction: Chronic obstructive pulmonary disease (COPD) is a common respiratory condition characterized by persistent airflow limitation and is associated with an enhanced chronic inflammatory response in the airways and the lung to noxious particles or gases. Interleukin-1 beta (IL-1β) is a major pro-inflammatory cytokine expressed by many cells such as macrophages, neutrophils and monocytes and functions in cellular activities such as proliferation, differentiation and apoptosis...
June 2017: Tüberküloz Ve Toraks
https://www.readbyqxmd.com/read/28964817/adrb2-gene-polymorphism-and-emphysema-heterogeneity-can-modulate-bronchodilator-response-in-patients-with-emphysema
#4
Masafumi Nojiri, Shiro Mizuno, Kazuaki Nishiki, Ryo Kato, Ken Nakagawa, Taku Oikawa, Masaharu Iguchi, Kazuhiro Osanai, Takeshi Ishizaki, Hirohisa Toga
BACKGROUND: Genetic variation in the β2-adrenergic receptor (ADRB2) gene has been thought to have an important role in the differential response to β2-agonist therapy for asthma. However, previous studies have shown little evidence for an association between these ADRB2 variants and the bronchial dilator response (BDR) in chronic obstructive pulmonary disease (COPD) patients. This discrepancy could be explained by differences in the distribution and heterogeneity of pulmonary emphysema in COPD patients, since emphysema distribution and heterogeneity are thought to have a role in pulmonary function in COPD patients...
September 27, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28960651/surfactant-protein-d-multimerization-and-gene-polymorphism-in-copd-and-asthma
#5
Dalia Fakih, Zeina Akiki, Kirsten Junker, Myrna Medlej-Hashim, Mirna Waked, Pascale Salameh, Uffe Holmskov, Hasnaa Bouharoun-Tayoun, Soulaima Chamat, Grith L Sorensen, Rania Jounblat
BACKGROUND AND OBJECTIVE: A structural single nucleotide polymorphism rs721917 in the surfactant protein D (SP-D) gene, known as Met11Thr, was reported to influence the circulating levels and degree of multimerization of SP-D and was associated with both COPD and atopy in asthma. Moreover, disease-related processes are known to degrade multimerized SP-D, however, the degree of the protein degradation in these diseases is not clarified. We aimed to determine the distribution of multimerized (high molecular weight (HMW)) and non-multimerized (low molecular weight (LMW)) species of serum SP-D and their correlation with genetic polymorphisms and presence of disease in Lebanese COPD and asthmatic patients...
September 28, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28951769/effects-of-glutathione-s-transferase-gene-polymorphisms-and-antioxidant-capacity-per-unit-albumin-on-the-pathogenesis-of-chronic-obstructive-pulmonary-disease
#6
Tinghui Cao, Naijin Xu, Zhen Wang, Hui Liu
OBJECTIVES: To study the effects of GSTM1, GSTT1 gene polymorphisms, and organism antioxidant capacity and related indicators such as antioxidant capacity per unit of albumin (AC/ALB) on chronic obstructive pulmonary disease (COPD). METHODS: Using polymerase chain reaction technology, GSTM1 and GSTT1 gene polymorphisms were detected in 33 COPD patients and 33 healthy people. The total antioxidant capacity (TAC) found in serum was determined using the I2/KI potentiometric, KMnO4 microtitration, and H2O2 potentiometric methods...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28939338/comparison-of-the-role-of-hhip-snps-in-susceptibility-to-chronic-obstructive-pulmonary-disease-between-chinese-han-and-mongolian-populations
#7
Guihua Xu, Xiaoyu Gao, Sainan Zhang, Yan Wang, Mingjing Ding, Wenyan Liu, Jie Shen, Dejun Sun
The contribution of risk alleles to chronic obstructive pulmonary disease (COPD) may vary between populations. This study aimed to investigate the role of single nucleotide polymorphisms (SNPs) in HHIP on COPD susceptibility in the Chinese Mongolian and Han populations from Inner Mongolia autonomous region. In this case-control study, five SNPs in HHIP gene were detected in 700 COPD patients (350 Chinese Han and 350 Chinese Mongolian) and 700 healthy controls (350 Chinese Han and 350 Chinese Mongolian). The genotype, the association with COPD, and the differences between Chinese Han and Mongolian populations were evaluated using the chi-squared (χ(2)) test, genetic models, and logistic analysis...
September 19, 2017: Gene
https://www.readbyqxmd.com/read/28929109/genetic-variants-in-the-hedgehog-interacting-protein-gene-are-associated-with-the-fev1-fvc-ratio-in-southern-han-chinese-subjects-with-chronic-obstructive-pulmonary-disease
#8
Zili Zhang, Jian Wang, Zeguang Zheng, Xindong Chen, Xiansheng Zeng, Yi Zhang, Defu Li, Jiaze Shu, Kai Yang, Ning Lai, Lian Dong, Wenju Lu
BACKGROUND: Convincing evidences have demonstrated the associations between HHIP and FAM13a polymorphisms and COPD in non-Asian populations. Here genetic variants in HHIP and FAM13a were investigated in Southern Han Chinese COPD. METHODS: A case-control study was conducted, including 989 cases and 999 controls. The associations between SNPs genotypes and COPD were performed by a logistic regression model; for SNPs and COPD-related phenotypes such as lung function, COPD severity, pack-year of smoking, and smoking status, a linear regression model was employed...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28927745/apolipoprotein-m-gene-single-nucleotide-polymorphisms-discovery-in-patients-with-chronic-obstructive-pulmonary-disease-and-determined-by-the-base-quenched-probe-technique
#9
Yang Yu, Jun Zhang, Yingying Qiao, Lili Pan, Juzhang Li, Huihui Mao, Jiang Wei, Xiaoying Zhang, Ning Xu, Guanghua Luo
BACKGROUND: It has been reported increased serum apoM levels seen in the patients suffered from obstructive sleep apnoea and chronic obstructive pulmonary diseases. In the present, we further examine the prevalence of apoM gene SNPs in COPD patients. And a new method base-quenched probe technique is established. METHODS: In the present study, we first used the Roche 454 GS Junior high-throughput sequencer to analyze 6 COPD samples and 6 control samples, in these samples we found 3 interesting SNPs (rs805264, rs707922 and rs707921) and then we designed primers and probes to establish a simple and quick screening method that is a base-quench probe technique and the genotype was confirmed by melting curves...
December 30, 2017: Gene
https://www.readbyqxmd.com/read/28927525/alpha-1-antitrypsin-deficiency-genetic-variations-clinical-manifestations-and-therapeutic-interventions
#10
REVIEW
Younis Mohammad Hazari, Arif Bashir, Mudasir Habib, Samirul Bashir, Huma Habib, M Abul Qasim, Naveed Nazir Shah, Ehtishamul Haq, Jeffrey Teckman, Khalid Majid Fazili
Alpha-1-antitrypsin (AAT) is an acute phase secretory glycoprotein that inhibits neutrophil proteases like elastase and is considered as the archetype of a family of structurally related serine-protease inhibitors termed serpins. Serum AAT predominantly originates from liver and increases three to five fold during host response to tissue injury and inflammation. The AAT deficiency is unique among the protein-misfolding diseases in that it causes target organ injury by both loss-of-function and gain-of-toxic function mechanisms...
July 2017: Mutation Research
https://www.readbyqxmd.com/read/28900078/-polymorphic-variants-of-glutamate-receptor-grik5-grin2b-and-serotonin-receptor-htr2a-genes-are-associated-with-chronic-obstructive-pulmonary-disease
#11
G F Korytina, L Z Akhmadishina, O V Kochetova, Y G Aznabaeva, Sh Z Zagidullin, T V Victorova
Chronic obstructive pulmonary disease (COPD) is a complex chronic inflammatory disease of the respiratory system that affects primarily distal respiratory pathways and lung parenchyma. Smoking tobacco is a major risk factor for COPD. The relationship of HTR4 (rs3995090), HTR2A (rs6313), GRIK5 (rs8099939), GRIN2B (rs2268132), and CHRNB4 (rs1948) gene polymorphisms and COPD, as well as the contribution of these polymorphisms to the variations in quantitative characteristics that describe respiratory function, smoking behavior, and nicotine dependence was assessed in an ethnically homogeneous Tatar population...
July 2017: Molekuliarnaia Biologiia
https://www.readbyqxmd.com/read/28883796/functions-of-nqo1-in-cellular-protection-and-coq10-metabolism-and-its-potential-role-as-a-redox-sensitive-molecular-switch
#12
REVIEW
David Ross, David Siegel
NQO1 is one of the two major quinone reductases in mammalian systems. It is highly inducible and plays multiple roles in cellular adaptation to stress. A prevalent polymorphic form of NQO1 results in an absence of NQO1 protein and activity so it is important to elucidate the specific cellular functions of NQO1. Established roles of NQO1 include its ability to prevent certain quinones from one electron redox cycling but its role in quinone detoxification is dependent on the redox stability of the hydroquinone generated by two-electron reduction...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28865600/the-association-of-genetic-polymorphisms-of-hypoxia-inducible-factor-1-alpha-and-vascular-endothelial-growth-factor-with-increased-risk-of%C3%A2-chronic-obstructive-pulmonary-disease-a%C3%A2-case-control-study
#13
Zhen-Gang Yu, Bing-Zhe Wang, Zhao-Zhong Cheng
Accumulated data over the years have suggested that hypoxia inducible factor-1 alpha (HIF-1α) and its downstream vascular endothelial growth factor (VEGF) gene may be linked with chronic obstructive pulmonary disease (COPD). This study aims to investigate the association of HIF-1α and VEGF genetic polymorphisms and their correlated risks with COPD. COPD patients (case group) and healthy individuals (control group) were recruited. DNA was extracted to detect HIF-1α and VEGF genetic polymorphisms. Basal lung volume and forced expiratory capacity in 1st second (FEV1)/forced vital capacity (FVC) and FEV1/predicted value (pred)% were calculated...
September 2017: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/28753063/association-between-adrb2-genetic-polymorphisms-and-the-risk-of-chronic-obstructive-pulmonary-disease-a-case-control-study-in-a-chinese-population
#14
Hui Zhao, Xuan Wu, Chun-Ling Dong, Bi-Ying Wang, Jiao Zhao, Xian-E Cao
OBJECTIVE: This study was designed to investigate the association between single nucleotide polymorphisms (SNPs) of the β2-adrenergic receptor (ADRB2) gene and the risk of chronic obstructive pulmonary disease (COPD) in a Chinese population. METHODS: From January 2010 to October 2014, 261 COPD patients were selected as the case group and 239 healthy subjects were selected as the control group. Pulmonary function tests were performed to detect forced vital capacity (FVC), 1-s forced expiratory volume (FEV1), and FEV1/FVC (%)...
August 2017: Genetic Testing and Molecular Biomarkers
https://www.readbyqxmd.com/read/28738859/genes-and-pathways-underlying-susceptibility-to-impaired-lung-function-in-the-context-of-environmental-tobacco-smoke-exposure
#15
K de Jong, J M Vonk, M Imboden, L Lahousse, A Hofman, G G Brusselle, N M Probst-Hensch, D S Postma, H M Boezen
BACKGROUND: Studies aiming to assess genetic susceptibility for impaired lung function levels upon exposure to environmental tobacco smoke (ETS) have thus far focused on candidate-genes selected based on a-priori knowledge of potentially relevant biological pathways, such as glutathione S-transferases and ADAM33. By using a hypothesis-free approach, we aimed to identify novel susceptibility loci, and additionally explored biological pathways potentially underlying this susceptibility to impaired lung function in the context of ETS exposure...
July 24, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28692348/the-g-allele-of-mmp12-82-a%C3%A2-%C3%A2-g-promoter-polymorphism-as-a-protective-factor-for-copd-in-bulgarian-population
#16
Tanya Tacheva, Dimo Dimov, Elina Aleksandrova, Monika Bialecka, Maya Gulubova, Tatyana Vlaykova
Chronic inflammation and remodelling of the small airways are features related to chronic obstructive pulmonary disease (COPD). In the current study, we aimed to explore the possible role of MMP12 -82 A > G (rs2276109) promoter polymorphism in the development of COPD in a population from Bulgaria (167 patients with COPD and 119 control individuals). The genotype and allele distributions differed significantly between COPD patients and controls (p = .010 and p = .043, respectively, χ(2) test)...
December 2017: Archives of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28640141/smoking-status-and-gene-susceptibility-play-important-roles-in-the-development-of-chronic-obstructive-pulmonary-disease-and-lung-function-decline-a-population-based-prospective-study
#17
Junling Zhao, Miao Li, Jinkun Chen, Xiaomei Wu, Qin Ning, Jianping Zhao, Yongjian Xu, Jungang Xie, Jun Yu
BACKGROUND: We conducted this study to identify the influences and synergistic effects of smoking status and polymorphisms in hedgehog interacting protein (HHIP) on chronic obstructive pulmonary disease (COPD) and lung function decline. METHODS: A cohort containing 306 COPD patients and 743 healthy subjects was recruited from 25,000 subjects. All selected subjects had chronic cough for over 2 years or a smoking history above 20 pack-years. After 8 years, all subjects were divided into 2 cohorts according to whether they had quit smoking or not...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28546746/genetic-polymorphism-and-chronic-obstructive-pulmonary-disease
#18
REVIEW
Cunhua Yuan, De Chang, Guangming Lu, Xiaowei Deng
Chronic obstructive pulmonary disease (COPD) is a common chronic disease, and its morbidity and mortality are increasing. There are many studies that have tried to explain the pathogenesis of COPD from genetic susceptibility, to identify the susceptibility of COPD factors, which play a role in early prevention, early detection and the early treatment. However, it is well known that COPD is an inflammatory disease characterized by incomplete reversible airflow limitation in which genes interact with the environment...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28546273/mir-146a-5p-plays-an-essential-role-in-the-aberrant-epithelial-fibroblast-cross-talk-in-copd
#19
Emmanuel T Osei, Laura Florez-Sampedro, Hataitip Tasena, Alen Faiz, Jacobien A Noordhoek, Wim Timens, Dirkje S Postma, Tillie L Hackett, Irene H Heijink, Corry-Anke Brandsma
We previously reported that epithelial-derived interleukin (IL)-1α drives fibroblast-derived inflammation in the lung epithelial-mesenchymal trophic unit. Since miR-146a-5p has been shown to negatively regulate IL-1 signalling, we investigated the role of miR-146a-5p in the regulation of IL-1α-driven inflammation in chronic obstructive pulmonary disease (COPD).Human bronchial epithelial (16HBE14o-) cells were co-cultured with control and COPD-derived primary human lung fibroblasts (PHLFs), and miR-146a-5p expression was assessed with and without IL-1α neutralising antibody...
May 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28526204/the-786-t-c-polymorphism-of-nos3-gene-is-a-susceptibility-marker-of-copd-among-tunisians-that-correlates-with-nitric-oxide-levels-and-airflow-obstruction
#20
Hela Ben Nasr, Sarra Bchir, Amel Ben Anes, Asma Amri, Yosra Sakhana, Mohamed Benzarti, Abdelhamid Garrouch, Zouhair Tabka, Karim Chahed
OBJECTIVE: The goal of this study was to examine the role of G894T (rs1799983), -786T/C (rs3918161) and a 27 bp variable number of tandem repeats (VNTR) 4B/4A of NOS3 gene on the risk and severity of COPD. METHODS: The study included 194 controls and 138 COPD patients. NOS3 G894T, -786T/C and 4B/4A variants were determined by PCR analysis based on the banding pattern on gel electrophoresis. Pulmonary function was evaluated using body plethysmography. The levels of nitric oxide, peroxynitrite and lipid peroxides (T-BARS) were determined using spectrophotometric methods...
May 16, 2017: Cytokine
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