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Asthma genetics

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https://www.readbyqxmd.com/read/28326636/il4r%C3%AE-and-adam33-as-genetic-markers-in-asthma-exacerbations-and-type-2-inflammatory-endotype
#1
Hironobu Sunadome, Hisako Matsumoto, Guergana Petrova, Yoshihiro Kanemitsu, Yuji Tohda, Takahiko Horiguchi, Hideo Kita, Kazunobu Kuwabara, Keisuke Tomii, Kojiro Otsuka, Masaki Fujimura, Noriyuki Ohkura, Katsuyuki Tomita, Akihito Yokoyama, Hiroshi Ohnishi, Yasutaka Nakano, Tetsuya Oguma, Soichiro Hozawa, Tadao Nagasaki, Isao Ito, Tsuyoshi Oguma, Hideki Inoue, Tomoko Tajiri, Toshiyuki Iwata, Yumi Izuhara, Junya Ono, Shoichiro Ohta, Tomomitsu Hirota, Mayumi Tamari, Tetsuji Yokoyama, Akio Niimi, Kenji Izuhara, Michiaki Mishima
BACKGROUND: Genetic markers of susceptibility to asthma exacerbations in adults remain unclear. OBJECTIVE: To identify genetic markers of asthma exacerbations, particularly in patients with type-2 inflammatory endotype. METHODS: In this observational study of patients enrolled in the Kinki Hokuriku Airway disease Conference multicenter study, frequency of exacerbations requiring systemic corticosteroids during 2 years after enrolment and associated risk factors were determined...
March 22, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28320170/evaluating-the-association-of-allergies-with-multiple-sclerosis-susceptibility-risk-and-disease-activity-in-a-pediatric-population
#2
Theresa Bourne, Michael Waltz, T C Casper, K Kavak, G Aaen, A Belman, L Benson, M Candee, T Chitnis, J Graves, B Greenberg, M Gorman, Y Harris, L Krupp, T Lotze, S Mar, J Ness, C Olsen, S Roalstad, M Rodriguez, J Rose, J Rubin, T Schreiner, J M Tillema, I Kahn, A Waldman, L Barcellos, E Waubant, B Weinstock-Guttman
BACKGROUND: Multiple sclerosis (MS) and allergies are both considered to be related to imbalanced Th1 and Th2 immune responses. Previous studies evaluating the relationship between MS and allergies provide conflicting results. OBJECTIVE: To assess allergies and asthma as risk factors for MS and as predictors of MS relapses in a pediatric cohort. METHODS: The environment and genetic risk factors for pediatric MS study is a national case-control project with 16 participating US sites...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28318885/genetic-association-of-the-functional-cdhr3-genotype-with-early-onset-adult-asthma-in-japanese-populations
#3
Jun Kanazawa, Hironori Masuko, Yohei Yatagai, Tohru Sakamoto, Hideyasu Yamada, Yoshiko Kaneko, Haruna Kitazawa, Hiroaki Iijima, Takashi Naito, Takefumi Saito, Emiko Noguchi, Satoshi Konno, Masaharu Nishimura, Tomomitsu Hirota, Mayumi Tamari, Nobuyuki Hizawa
BACKGROUND: Recent studies have demonstrated that a coding SNP (rs6967330, Cys529→Tyr) in cadherin-related family member 3 (CDHR3), which was previously associated with wheezing illness and hospitalizations in infancy, could support efficient human rhinovirus C (RV-C) entry and replication. Here, we sought to examine the genetic contribution of this variant to the development of adult asthma. METHODS: We performed a candidate gene case-control association study of 2 independent Japanese populations (a total of 3366 adults)...
March 16, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28303134/bronchial-epithelial-cells-from-asthmatic-patients-display-less-functional-hla-g-isoform-expression
#4
Federico Carlini, Christophe Picard, Céline Garulli, David Piquemal, Pierre Roubertoux, Jacques Chiaroni, Pascal Chanez, Delphine Gras, Julie Di Cristofaro
Not all asthmatic patients adequately respond to current available treatments, such as inhaled corticosteroids or omalizumab(®). New treatments will aim to target the bronchial epithelium-immune response interaction using different pathways. HLA-G is involved in immunomodulation and may promote epithelial cell differentiation and proliferation. HLA-G protein has several isoforms generated by alternative splicing that might have differential functionalities. HLA-G protein expression and genetic polymorphisms have been reported to be associated with asthma...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28293931/investigation-of-the-possible-role-of-the-hippo-yap1-pathway-in-asthma-and-allergy
#5
Lili E Fodor, András Gézsi, Ldikó Ungvári, Agnes F Semsei, Zsófia Gál, Adrienne Nagy, Gabriella Gálffy, Lilla Tamási, András Kiss, Péter Antal, Csaba Szalai
PURPOSE: Several lines of evidence indicate that the Hippo/Yes-associated protein 1 (YAP1) pathways might play a role in the pathogenesis of asthma. To investigate the possible role of the Hippo/YAP1 pathway in the pathogenesis of asthma or its phenotypes. METHODS: The levels of gene expressions of the members of the Hippo/YAP1 were compared. The presence of the proteins of the YAP1 and FRMD6 were analyzed with Western blot in induced sputum of 18 asthmatic subjects and 10 control subjects...
May 2017: Allergy, Asthma & Immunology Research
https://www.readbyqxmd.com/read/28293925/genetic-signatures-of-asthma-exacerbation
#6
REVIEW
Heung Woo Park, Kelan G Tantisira
Asthma exacerbation (AE) usually denotes worsening of asthma symptoms that requires intense management to prevent further deterioration. AE has been reported to correlate with clinical and demographic factors, such as race, gender, and treatment compliance as well as environmental factors, such as viral infection, smoking, and air pollution. In addition, recent observations suggest that there are likely to be genetic factors specific to AE. Understanding genetic factors specific to AE is essential to develop therapy tailored for exacerbation-prone asthma...
May 2017: Allergy, Asthma & Immunology Research
https://www.readbyqxmd.com/read/28287286/interleukin-12b-gene-polymorphisms-and-bronchial-asthma-risk-a-meta-analysis
#7
Fangwei Li, Yanting Zhu, Xinming Xie, Rui Ke, Shaojun Li, Lu Liu, Jun Lu, Manxiang Li
OBJECTIVE: This meta-analysis aims to investigate whether Interleukin-12B (IL-12B) -1188A/C or the promoter polymorphisms may be a risk factor for asthma. DATA SOURCES: Web of Science, PubMed, China National Knowledge Infrastructure (CNKI) and Wanfang databases were searched (updated August 20, 2015). STUDY SELECTIONS: Articles evaluating the association betweenIL-12B genetic polymorphisms and asthma risk were selected. RESULTS: 13 eligible studies with a total of 5092 subjects were finally included in this meta-analysis...
March 13, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28284979/effect-of-polymorphisms-on-tgfb1-on-allergic-asthma-and-helminth-infection-in-an-african-admixed-population
#8
Ryan Dos Santos Costa, Camila Alexandrina Figueiredo, Maurıcio Lima Barreto, Neuza Maria Alcantara-Neves, Laura Cunha Rodrigues, Alvaro A Cruz, Candelaria Vergara, Nicholas Rafaels, Cassandra Foster, Joseph Potee, Monica Campbell, Rasika A Mathias, Kathleen C Barnes
BACKGROUND: Allergic asthma is a complex disorder that results from a combination of genetic and environmental factors. Studies suggest that helminth infections can activate a regulatory network characterized by the production of regulatory cytokines, such as interleukin 10 and transforming growth factor β1 (TGF-β1) and subsequently protect against immune-mediated diseases, such as asthma. On the other hand, TGF-β1 is increased in the lungs of individuals with asthma and may modulate airway inflammation...
March 8, 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28284531/mite-allergen-extracts-and-clinical-practice
#9
REVIEW
Jerónimo Carnés, Víctor Iraola, Seong H Cho, Robert E Esch
OBJECTIVE: To provide physicians, researchers, and other interested health care professionals with information about how mite source materials and allergen extracts are manufactured, including the critical process parameters that can affect the final composition of allergenic extracts available for clinical use. DATA SOURCES: A PubMed search was performed using focused keywords combined with relevant regulatory documents and industry guidelines. STUDY SELECTIONS: The information obtained through literature and specialized books was evaluated and combined with the personal expertise and experience of the authors...
March 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28275240/polygenic-risk-assessment-reveals-pleiotropy-between-sarcoidosis-and-inflammatory-disorders-in-the-context-of-genetic-ancestry
#10
C A Lareau, C F DeWeese, I Adrianto, C J Lessard, P M Gaffney, M C Iannuzzi, B A Rybicki, A M Levin, C G Montgomery
Sarcoidosis is a complex disease of unknown etiology characterized by the presence of granulomatous inflammation. Though various immune system pathways have been implicated in disease, the relationship between the genetic determinants of sarcoidosis and other inflammatory disorders has not been characterized. Herein, we examined the degree of genetic pleiotropy common to sarcoidosis and other inflammatory disorders to identify shared pathways and disease systems pertinent to sarcoidosis onset. To achieve this, we quantify the association of common variant polygenic risk scores from nine complex inflammatory disorders with sarcoidosis risk...
March 9, 2017: Genes and Immunity
https://www.readbyqxmd.com/read/28266271/update-on-interventions-in-prevention-and-treatment-of-pediatric-asthma
#11
Marcello Lanari, Paolo Bottau, Elisabetta Calamelli
BACKGROUND: Asthma represents a worldwide health problem with a strong morbidity and a major impact on the health care system. Multiple efforts have been made towards the development of new strategies of prevention and treatment of this disorder. In the light of this the present review of the literature aimed at summarizing the latest advances in prevention and treatment of pediatric asthma with a focus on the most effective options of interventions during the first stages of life. METHODS: References were identified by searches of PubMed...
March 3, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28266165/il33-and-il1rl1-variants-are-associated-with-asthma-and-atopy-in-a-brazilian-population
#12
G A Queiroz, R S Costa, N M Alcantara-Neves, G Nunes de Oliveira Costa, M L Barreto, V L Carneiro, C A Figueiredo
Atopic asthma is a chronic inflammatory disease in airways resulting from genetic and environmental factors, characterized by production of the Th2 cytokines interleukin-4 (IL-4), interleukin-5 (IL-5) and interleukin-13 (IL-13). Interleukin-33 (IL-33) appears to be a potent inducer of Th2 immune response. This occurs when IL-33 binds and activates its receptor, the membrane ST2 (ST2L) in mast cells, dendritic cells, basophils, eosinophils, innate lymphoids and Th2 cells, leading to the release of these cytokines and intensifying allergic inflammation...
April 2017: International Journal of Immunogenetics
https://www.readbyqxmd.com/read/28262750/the-interaction-between-farming-rural-environment-and-tlr2-tlr4-tlr6-and-cd14-genetic-polymorphisms-in-relation-to-early-and-late-onset-asthma
#13
Melisa Y Z Lau, Shyamali C Dharmage, John A Burgess, Aung K Win, Adrian J Lowe, Caroline Lodge, Jennifer Perret, Jennie Hui, Paul S Thomas, Stephen Morrison, Graham G Giles, John Hopper, Michael J Abramson, E Haydn Walters, Melanie C Matheson
Asthma phenotypes based on age-of-onset may be differently influenced by the interaction between variation in toll-like receptor (TLR)/CD14 genes and environmental microbes. We examined the associations between single-nucleotide polymorphisms (SNP) in the TLR/CD14 genes and asthma, and their interaction with proxies of microbial exposure (childhood farm exposure and childhood rural environment). Ten SNPs in four genes (TLR2, TLR4, TLR6, CD14) were genotyped for 1,116 participants from the Tasmanian Longitudinal Health Study (TAHS)...
March 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28262390/polymorphisms-of-tgfb1-tle4-and-muc22-are-associated-with-childhood-asthma-in-chinese-population
#14
J B Chen, J Zhang, H Z Hu, M Xue, Y J Jin
OBJECTIVE: To investigate whether the genetic variants of TGFB1, TLE4, MUC22 and IKZF3 are associated with the development of asthma in Chinese children. METHODS: 572 adolescent asthma patients and 590 age-matched healthy controls were included in this study. A total of four SNPs were genotyped, including rs2241715 of TGFB1, rs2378383 of TLE4, rs2523924 of MUC22, and rs907092 of IKZF3. Allele frequencies of the patients and the control group were compared by the Chi-square test...
March 2, 2017: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/28262277/-the-interactions-between-microorganisms-and-the-small-airways-a-paediatric-focus
#15
REVIEW
J de Blic, J Brouard, A Vabret, A Deschildre
The spectrum of respiratory viruses is expanding and emerging diseases have been described regularly over the last fifteen years. The origin of these emerging respiratory viruses may be zoonotic (by crossing species barrier, after changes to RNA viruses such as avian influenza virus type A or coronaviruses), or related to the use of new identification techniques (metapneumovirus, bocavirus). The relationship between bronchiolitis and asthma is now better understood thanks to prospective follow up of birth cohorts...
February 2017: Revue des Maladies Respiratoires
https://www.readbyqxmd.com/read/28261276/dietary-intake-is-associated-with-respiratory-health-outcomes-and-dna-methylation-in-children-with-asthma
#16
L Montrose, T J Ward, E O Semmens, Y H Cho, B Brown, C W Noonan
BACKGROUND: Asthma is an increasingly common chronic disease among children, and data point toward a complex mechanism involving genetic, environmental and epigenetic factors. Epigenetic modifications such as DNA hypo- or hyper-methylation have been shown to occur in response to environmental exposures including dietary nutrients. METHODS: Within the context of the asthma randomized trial of indoor wood smoke (ARTIS) study, we investigated relationships between diet, asthma health measures, and DNA methylation...
2017: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/28253294/adult-onset-asthma-and-interaction-between-genes-and-active-tobacco-smoking-the-gabriel-consortium
#17
J M Vonk, S Scholtens, D S Postma, M F Moffatt, D Jarvis, A Ramasamy, M Wjst, E R Omenaas, E Bouzigon, F Demenais, R Nadif, V Siroux, A V Polonikov, M Solodilova, V P Ivanov, I Curjuric, M Imboden, A Kumar, N Probst-Hensch, L M Ogorodova, V P Puzyrev, E Yu Bragina, M B Freidin, I M Nolte, A M Farrall, W O C M Cookson, D P Strachan, G H Koppelman, H M Boezen
BACKGROUND: Genome-wide association studies have identified novel genetic associations for asthma, but without taking into account the role of active tobacco smoking. This study aimed to identify novel genes that interact with ever active tobacco smoking in adult onset asthma. METHODS: We performed a genome-wide interaction analysis in six studies participating in the GABRIEL consortium following two meta-analyses approaches based on 1) the overall interaction effect and 2) the genetic effect in subjects with and without smoking exposure...
2017: PloS One
https://www.readbyqxmd.com/read/28248699/co-occurrence-of-migraine-and-atopy-in-children-and-adolescents-myth-or-a-casual-relationship
#18
Aynur Özge, Derya Uluduz, Hayrunnisa Bolay
PURPOSE OF REVIEW: To clarify the causal relationship between migraine and atopic disorders in children and adolescents. RECENT FINDINGS: Migraine headache and atopic disorders including asthma are both common functional syndromes of childhood in which nature of the relationship is still debated. Attacks may induce in both disorders upon exposure to potential triggers in genetically susceptible individuals. Clinical phenotype manifests by temporary dysfunction of target tissue mediated by inflammation triggered by specific agents...
February 28, 2017: Current Opinion in Neurology
https://www.readbyqxmd.com/read/28241063/role-of-dna-methylation-in-expression-control-of-the-ikzf3-gsdma-region-in-human-epithelial-cells
#19
Sanny Moussette, Abeer Al Tuwaijri, Hamid-Reza Kohan-Ghadr, Samar Elzein, Raquel Farias, Julie Bérubé, Bianca Ho, Catherine Laprise, Cynthia G Goodyer, Simon Rousseau, Anna K Naumova
Chromosomal region 17q12-q21 is associated with asthma and harbors regulatory polymorphisms that influence expression levels of all five protein-coding genes in the region: IKAROS family zinc finger 3 (Aiolos) (IKZF3), zona pellucida binding protein 2 (ZPBP2), ORMDL sphingolipid biosynthesis regulator 3 (ORMDL3), and gasdermins A and B (GSDMA, GSDMB). Furthermore, DNA methylation in this region has been implicated as a potential modifier of the genetic risk of asthma development. To further characterize the effect of DNA methylation, we examined the impact of treatment with DNA methyltransferase inhibitor 5-aza-2'-deoxycytidine (5-aza-dC) that causes DNA demethylation, on expression and promoter methylation of the five 17q12-q21 genes in the human airway epithelium cell line NuLi-1, embryonic kidney epithelium cell line 293T and human adenocarcinoma cell line MCF-7...
2017: PloS One
https://www.readbyqxmd.com/read/28238750/kif3a-genetic-variation-is-associated-with-pediatric-asthma-in-the-presence-of-eczema-independent-of-allergic-rhinitis
#20
Elisabet Johansson, Jocelyn M Biagini Myers, Lisa J Martin, Hua He, Valentina Pilipenko, Tesfaye Mersha, Matthew Weirauch, Nathan Salomonis, Patrick Ryan, Grace K LeMasters, David I Bernstein, James Lockey, Gurjit K Khurana Hershey
KIF3A SNPs identify a subset of asthmatic children with prior or current eczema independent of AR, and may be useful biomarkers of an eczema phenotype that progresses to asthma, independent of allergic sensitization.
February 23, 2017: Journal of Allergy and Clinical Immunology
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