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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Mueller, James L. Doherty, Taylor A. Suzukawa, Maho Niwa, Maho Broide, David H. Beppu, Andrew Tam, Arvin B. McGeough, Matthew D. Rosenthal, Peter Miller, Marina Hoffman, Hal M. Pena, Carla A. |
| Description | Author Affiliation: Miller M ( Department of Medicine, University of California, San Diego, La Jolla, CA 92093) |
| Abstract | Orosomucoid-like (ORMDL)3 has been strongly linked with asthma in genetic association studies. Because allergen challenge induces lung ORMDL3 expression in wild-type mice, we have generated human ORMDL3 zona pellucida 3 Cre (hORMDL3(zp3-Cre)) mice that overexpress human ORMDL3 universally to investigate the role of ORMDL3 in regulating airway inflammation and remodeling. These hORMDL3(zp3-Cre) mice have significantly increased levels of airway remodeling, including increased airway smooth muscle, subepithelial fibrosis, and mucus. hORMDL3(zp3-Cre) mice had spontaneously increased airway responsiveness to methacholine compared to wild-type mice. This increased airway remodeling was associated with selective activation of the unfolded protein response pathway transcription factor ATF6 (but not Ire1 or PERK). The ATF6 target gene SERCA2b, implicated in airway remodeling in asthma, was strongly induced in the lungs of hORMDL3(zp3-Cre) mice. Additionally, increased levels of expression of genes associated with airway remodeling (TGF-ß1, ADAM8) were detected in airway epithelium of these mice. Increased levels of airway remodeling preceded increased levels of airway inflammation in hORMDL3(zp3-Cre) mice. hORMDL3(zp3-Cre) mice had increased levels of IgE, with no change in levels of IgG, IgM, and IgA. These studies provide evidence that ORMDL3 plays an important role in vivo in airway remodeling potentially through ATF6 target genes such as SERCA2b and/or through ATF6-independent genes (TGF-ß1, ADAM8). |
| ISSN | 00221767 |
| e-ISSN | 15506606 |
| DOI | 10.4049/jimmunol.1303047 |
| Journal | The Journal of Immunology |
| Issue Number | 8 |
| Volume Number | 192 |
| Language | English |
| Publisher | The American Association of Immunologists |
| Publisher Date | 2014-04-15 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Airway Remodeling Genetics Immunology Asthma Membrane Proteins Activating Transcription Factor 6 Metabolism Allergens Animals Antibody Specificity Pathology Bronchial Hyperreactivity Chemically Induced Chemokines, Cc Chemokines, Cxc Cytokines Disease Models, Animal Eosinophils Gene Expression Gene Order Gene Targeting Immunoglobulin E Blood Inflammation Lung Methacholine Chloride Administration & Dosage Mice Mice, Transgenic Ovalbumin Th2 Cells Transgenes Unfolded Protein Response Eif-2 Kinase Research Support, N.i.h., Extramural Research Support, Non-u.s. Gov't Discipline Immunology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Immunology and Allergy Immunology |
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