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Asthma AND gene expression

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https://www.readbyqxmd.com/read/28329851/short-tslp-attenuates-toluene-diisocyanate-tdi-induced-airway-inflammation-and-inhibits-hmgb1-rage-and-long-tslp-expression
#1
Yanhong Wang, Yanqing Le, Wenqu Zhao, Yun Lin, Yue Wu, Changhui Yu, Jing Xiong, Fei Zou, Hangming Dong, Shaoxi Cai, Haijin Zhao
Short thymic stromal lymphopoietin (short TSLP), one of TSLP variants, exerts anti-inflammatory activities in endotoxin shock and colitis mouse models. Our latest work reported that short TSLP prevented house dust mite (HDM)-induced epithelial barrier disruption. Yet the role of short TSLP in toluene diisocyanate (TDI)-induced asthma is unknown. Male BALB/c mice were sensitized and challenged with TDI to generate a chemical-induced asthma model. Synthetic short TSLP peptides were given intranasally (i.n.) or intraperitoneally (i...
February 27, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28328242/human-airway-epithelial-cells-direct-significant-rhinovirus-replication-in-monocytic-cells-by-enhancing-icam1-expression
#2
Xu Zhou, Lingxiang Zhu, Rosa Lizarraga, Yin Chen
Human rhinovirus (RV) is the major cause of common cold, and it also plays a significant role in asthma and asthma exacerbation. Airway epithelium is the primary site of RV infection and production. In contrast, monocytic cells (e.g. monocytes and macrophages) are believed to be non-permissive for RV replication. Instead, RV has been shown to modulate inflammatory gene expressions in these cells via a replication-independent mechanism. In the present study, RV16 (a major-group RV) replication was found to be significantly enhanced in monocytes when co-cultivated with airway epithelial cells...
March 22, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28323055/a-6-alkylsalicylate-histone-acetyltransferase-inhibitor-inhibits-histone-acetylation-and-pro-inflammatory-gene-expression-in-murine-precision-cut-lung-slices
#3
Thea van den Bosch, Niek G J Leus, Hannah Wapenaar, Alexander Boichenko, Jos Hermans, Rainer Bischoff, Hidde J Haisma, Frank J Dekker
Lysine acetylations are post-translational modifications of cellular proteins, that are crucial in the regulation of many cellular processes. Lysine acetylations on histone proteins are part of the epigenetic code regulating gene transcription and are installed by histone acetyltransferases. Observations that inflammatory lung diseases, such as asthma and chronic obstructive pulmonary disease, are characterized by increased histone acetyltransferase activity indicate that development of small molecule inhibitors for these enzymes might be a valuable approach towards new therapies for these diseases...
March 16, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28320933/activin-a-co-opts-irf4-and-ahr-signaling-to-induce-human-regulatory-t-cells-that-restrain-asthmatic-responses
#4
Sofia Tousa, Maria Semitekolou, Ioannis Morianos, Aggelos Banos, Aikaterini I Trochoutsou, Tess M Brodie, Nikolaos Poulos, Konstantinos Samitas, Maria Kapasa, Dimitris Konstantopoulos, Giannis Paraskevopoulos, Mina Gaga, Catherine M Hawrylowicz, Federica Sallusto, Georgina Xanthou
Type 1 regulatory T (Tr1) cells play a pivotal role in restraining human T-cell responses toward environmental allergens and protecting against allergic diseases. Still, the precise molecular cues that underlie their transcriptional and functional specification remain elusive. Here, we show that the cytokine activin-A instructs the generation of CD4(+) T cells that express the Tr1-cell-associated molecules IL-10, inducible T-Cell costimulator (ICOS), lymphocyte activation gene 3 protein (LAG-3), and CD49b, and exert strongly suppressive functions toward allergic responses induced by naive and in vivo-primed human T helper 2 cells...
March 20, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28295446/a-recombinant-cystatin-from-ascaris-lumbricoides-attenuates-inflammation-of-dss-induced-colitis
#5
Sandra Coronado, Luis Barrios, Josefina Zakzuk, Ronald Regino, Velky Ahumada, Luis Franco, Yanet Ocampo, Luis Caraballo
Helminthiasis may ameliorate inflammatory diseases, such as inflammatory bowel disease and asthma. Information about immunomodulators from Ascaris lumbricoides is scarce, but could be important considering the co-evolutionary relationships between helminths and humans. We evaluated the immunomodulatory effects of a recombinant cystatin from A. lumbricoides on an acute model of Dextran Sodium Sulphate (DSS)-induced colitis in mice. From an A. lumbricoides cDNA library we obtained a recombinant cystatin (rAl-CPI)...
March 10, 2017: Parasite Immunology
https://www.readbyqxmd.com/read/28293931/investigation-of-the-possible-role-of-the-hippo-yap1-pathway-in-asthma-and-allergy
#6
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/28275137/a-ceacam6-high-airway-neutrophil-phenotype-and-ceacam6-high-epithelial-cells-are-features-of-severe-asthma
#7
Aarti Shikotra, David F Choy, Salman Siddiqui, Greer Arthur, Deepti R Nagarkar, Guiquan Jia, Adam K A Wright, Chandra M Ohri, Emma Doran, Claire A Butler, Beverley Hargadon, Alexander R Abbas, Janet Jackman, Lawren C Wu, Liam G Heaney, Joseph R Arron, Peter Bradding
Severe asthma represents a major unmet clinical need; understanding the pathophysiology is essential for the development of new therapies. Using microarray analysis, we previously found three immunological clusters in asthma: Th2-high, Th17-high, and Th2/17-low. Although new therapies are emerging for Th2-high disease, identifying molecular pathways in Th2-low disease remains an important goal. Further interrogation of our previously described microarray dataset revealed upregulation of gene expression for carcinoembryonic Ag cell adhesion molecule (CEACAM) family members in the bronchi of patients with severe asthma...
March 8, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28266165/il33-and-il1rl1-variants-are-associated-with-asthma-and-atopy-in-a-brazilian-population
#8
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/28260017/d-limonene-exhibits-anti-inflammatory-and-antioxidant-properties-in-an-ulcerative-colitis-rat-model-via-regulation-of-inos-cox-2-pge2-and-erk-signaling-pathways
#9
Lihua Yu, Jing Yan, Zhiguang Sun
D-limonene has been demonstrated to have important immunomodulatory properties, including antitumor effects, and may alleviate asthma and allergies. In the present study, the anti‑inflammatory effects of D‑limonene were investigated in an ulcerative colitis (UC) rat model. Healthy male Sprague‑Dawley rats were randomly divided into control, untreated UC, and treatment with 50 or 100 mg/kg D‑limonene UC groups. In UC rats, disease activity and colonic mucosa damage were significantly reduced by the anti‑inflammatory effects of D‑limonene, via suppression of matrix metalloproteinase (MMP)‑2 and ‑9 gene expression...
February 22, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28255167/toluene-diisocyanate-exposure-induces-airway-inflammation-of-bronchial-epithelial-cells-via-the-activation-of-transient-receptor-potential-melastatin-8
#10
Joo-Hee Kim, Young-Sook Jang, Seung-Hun Jang, Ki-Suck Jung, Seung-Hyun Kim, Young-Min Ye, Hae-Sim Park
Toluene diisocyanate (TDI) is the most important cause of occupational asthma (OA), and various pathogenic mechanisms have been suggested. Of these mechanisms, neurogenic inflammation is an important inducer of airway inflammation. Transient receptor potential melastatin 8 (TRPM8) is a well-established cold-sensing cation channel that is expressed in both neuronal cells and bronchial epithelial cells. A recent genome-wide association study of TDI-exposed workers found a significant association between the phenotype of TDI-induced OA and the single-nucleotide polymorphism rs10803666, which has been mapped to the TRPM8 gene...
March 3, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/28241063/role-of-dna-methylation-in-expression-control-of-the-ikzf3-gsdma-region-in-human-epithelial-cells
#11
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/28237418/micrornas-in-lung-development-and-disease
#12
REVIEW
Dustin Ameis, Naghmeh Khoshgoo, Barbara M Iwasiow, Phillip Snarr, Richard Keijzer
MicroRNAs (miRNAs) are small (∼22 nucleotides), non-coding RNA molecules that regulate gene expression post-transcriptionally by inhibiting target mRNAs. Research into the roles of miRNAs in lung development and disease is at the early stages. In this review, we discuss the role of miRNAs in pediatric respiratory disease, including cystic fibrosis, asthma, and bronchopulmonary dysplasia.
March 2017: Paediatric Respiratory Reviews
https://www.readbyqxmd.com/read/28229452/expression-levels-of-transcription-factor-pu-1-and-interleukin-9-in-atopic-dermatitis-and-their-relation-to-disease-severity-and-eruption-types
#13
Ashraf M Hamza, Salma S Omar, Reham A H Abo El-Wafa, Marwa J Elatrash
BACKGROUND: The role of immunological factors in atopic dermatitis (AD) pathogenesis is well established. T-helper (TH) cells are central in AD pathogenesis. A relatively new subset of T cells, Th9 cells, was shown to be involved in the development of allergic asthma and allergic rhinitis, while its role in AD is still to be investigated. This study aimed to measure gene expression levels of interleukin-9 (IL-9) and PU.1, and to examine relationships with disease severity, serum IgE, and eruption types in AD patients...
February 22, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28228588/investigation-of-the-role-of-protein-kinase-d-in-human-rhinovirus-replication
#14
Anabel Guedán, Dawid Swieboda, Mark Charles, Marie Toussaint, Sebastian L Johnston, Amin Asfor, Anusha Panjwani, Tobias J Tuthill, Henry Danahay, Tony Raynham, Aurelie Mousnier, Roberto Solari
Picornavirus replication is known to cause extensive remodelling of Golgi and endoplasmic reticulum membranes and a number of the host proteins involved in the viral replication complex have been identified, including oxysterol binding protein (OSBP) and phosphatidylinositol 4-kinase III beta (PI4KB). Since both OSBP and PI4KB are substrates for protein kinase D (PKD) and PKD is known to be involved in the control of Golgi vesicular and lipid transport, we hypothesised that PKD played a role in viral replication...
February 22, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28223794/airway-gene-expression-of-il-1-pathway-mediators-predicts-exacerbation-risk-in-obstructive-airway-disease
#15
Katherine J Baines, Juan-Juan Fu, Vanessa M McDonald, Peter G Gibson
BACKGROUND: Exacerbations of asthma and COPD are a major cause of morbidity and mortality and are responsible for significant health care costs. This study further investigates interleukin (IL)-1 pathway activation and its relationship with exacerbations of asthma and COPD. METHODS: In this prospective cohort study, 95 participants with stable asthma (n=35) or COPD (n=60) were recruited and exacerbations recorded over the following 12 months. Gene expressions of IL-1 pathway biomarkers, including the IL-1 receptors (IL1R1, IL1R2, and IL1RN), and signaling molecules (IRAK2, IRAK3, and PELI1), were measured in sputum using real-time quantitative polymerase chain reaction...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28223235/interleukin-32-inflammation-and-cancer
#16
REVIEW
Jin Tae Hong, Dong Ju Son, Chong Kil Lee, Do-Young Yoon, Dong Hun Lee, Mi Hee Park
Interleukin-32 (IL-32) is a novel cytokine involved in inflammation and cancer development. IL-32 gene consists of eight small exons, and IL-32 mRNA has nine alternative spliced isoforms, and was thought to be secreted because it contains an internal signal sequence and lacks a transmembrane region. IL-32 is initially expressed selectively in activated T cells by mitogen and activated NK cells and their expression is strongly augmented by microbes, mitogens, and other cytokines. The IL-32 is induced mainly by pathogens and pro-inflammatory cytokines, but IL-32 is more prominent in immune cells than in non-immune tissues...
February 14, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28219384/clarithromycin-attenuates-il-13-induced-periostin-production-in-human-lung-fibroblasts
#17
Kosaku Komiya, Shoichiro Ohta, Kazuhiko Arima, Masahiro Ogawa, Shoichi Suzuki, Yasutaka Mitamura, Satoshi Nunomura, Yasuhiro Nanri, Tomohito Yoshihara, Atsushi Kawaguchi, Jun-Ichi Kadota, Bruce K Rubin, Kenji Izuhara
BACKGROUND: Periostin is a biomarker indicating the presence of type 2 inflammation and submucosal fibrosis; serum periostin levels have been associated with asthma severity. Macrolides have immunomodulatory effects and are considered a potential therapy for patients with severe asthma. Therefore, we investigated whether macrolides can also modulate pulmonary periostin production. METHODS: Using quantitative PCR and ELISA, we measured periostin production in human lung fibroblasts stimulated by interleukin-13 (IL-13) in the presence of two 14-member-ring macrolides-clarithromycin or erythromycin-or a 16-member-ring macrolide, josamycin...
February 20, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28219068/altered-expression-of-genes-encoding-cornulin-and-repetin-in-atopic-dermatitis
#18
Magdalena Trzeciak, Monika Sakowicz-Burkiewicz, Martyna Wesserling, Jolanta Gleń, Daria Dobaczewska, Tomasz Bandurski, Roman Nowicki, Tadeusz Pawelczyk
BACKGROUND: It is assumed that beside alterations in the filaggrin gene (FLG), disturbances within genes encoding other cornified envelope proteins are also involved in atopic dermatitis (AD). To identify new potential markers of AD, we studied the polymorphisms of genes encoding repetin (RPTN), cornulin (CRNN), and their expression in the skin of AD patients. METHODS: Polymorphisms in CRNN (rs941934), RPTN (rs284544, rs28441202, rs3001978, and rs12117644), and FLG mutations (R2447X, S3247X) were analyzed by TaqMan genotyping assay and by PCR-RFLP in the blood samples of 159 AD patients and 108 healthy subjects...
2017: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/28212793/mir-634-is-a-pol-iii-dependent-intronic-microrna-regulating-alternative-polyadenylated-isoforms-of-its-host-gene-prkca
#19
Elvezia Maria Paraboschi, Giulia Cardamone, Valeria Rimoldi, Stefano Duga, Giulia Soldà, Rosanna Asselta
BACKGROUND: The protein kinase C alpha (PRKCA) gene, coding for a Th17-cell-selective kinase, shows a complex splicing pattern, with at least 2 stable alternative transcripts characterized by an alternative upstream polyadenylation site. Polymorphisms in this gene were associated with several conditions, including multiple sclerosis, asthma, schizophrenia, and cancer. The presence of a microRNA (miRNA), i.e. miR-634, within intron 15 of the PRKCA gene, suggests the intriguing possibility that this miRNA might play a role in the susceptibility to these pathologies...
February 14, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28209270/crosstalk-between-glucocorticoids-and-il-4-modulates-ym1-expression-in-alternatively-activated-myeloid-cells
#20
Nathalie Ng Kuet Leong, Frank Brombacher, Alexander H Dalpke, Michael Weitnauer
Airway epithelial cells induce a tolerogenic microenvironment by modulating immune cells in the lung. We recently showed that the supernatant of airway epithelial cells induces two marker genes of alternative activation, Ym1 and Ms4a8a, in respiratory myeloid cells. This induction was partially mediated by glucocorticoids, secreted by airway epithelial cells. In this study, we further investigated Ym1 and Ms4a8a regulation in alternatively activated myeloid cells in the presence of the TH2 cytokines IL-4 and IL-13...
February 9, 2017: Immunobiology
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