• Airway inflammation, smooth muscle contraction, epithelial sloughing, mucous hypersecretion, bronchial hyperresponsiveness, and mucosal edema are some of the common pathophysiologic mechanisms seen in asthma. (medscape.com)
  • The chronic persistent inflammation may result in airway remodeling and structural changes of the airway wall. (medscape.com)
  • However, increased bronchial extracellular matrix deposition may also have protective effects against excessive bronchoconstriction and limit the detrimental effects of inflammation 17 . (ersjournals.com)
  • The possibility that remodelling can contribute significantly to fixed airways obstruction is supported by the persistence of the latter in some (but not all) patients with severe asthma under maximal treatment that results in the elimination of airway inflammation 23 . (ersjournals.com)
  • 14. MiR-328-3p promotes TGF-β1-induced proliferation, migration, and inflammation of airway smooth muscle cells by regulating the PTEN/Akt pathway. (nih.gov)
  • Consistent with data from human studies, both strains of rats that inhaled fuel oil-derived VOCs developed airway hyperresponsiveness that persisted after the washout period, in the absence of detectable inflammation in any lung compartment. (nih.gov)
  • Asthma is a chronic complicated airway disease characterized by airway hyperresponsiveness, eosinophilic inflammation, mucus hypersecretion, and remodeling of airway. (nih.gov)
  • RELM-β has been implicated in airways inflammation and remodelling in murine models. (nih.gov)
  • Asthmatic airway remodeling is often associated with airway function decline (e.g., airflow limitation, persistent airway hyper-responsiveness, and allergic airway inflammation). (bvsalud.org)
  • The pathological hallmarks of COPD are inflammation of the peripheral airways and destruction of lung parenchyma or emphysema. (atsjournals.org)
  • On the other hand, inflammation of the peripheral airways will contribute to the airflow limitation by increasing the thickness of the airway wall which, together with fibrosis and smooth muscle hypertrophy, may cause airway narrowing. (atsjournals.org)
  • However, the lack of reversibility of pulmonary hypertension after hypoxemia correction suggests that it might be due at least in part to the development of pulmonary vascular inflammation and remodeling ( 4-6 ). (atsjournals.org)
  • CNT-induced fibrosis involves a multitude of cell types and is characterized by the early onset of inflammation, oxidative stress and accumulation of extracellular matrix. (cdc.gov)
  • Recent findings show that encountered in the workplace include toluene diisocya- sensitized mice develop airway hyperreactivity and inflammation, nate (TDI), diphenyl-methane diisocyanate and hexam- reflective of human disease. (cdc.gov)
  • Inflammation is present in the epithelium of the central airways and in the mucus-producing glands in chronic bronchitis. (thoracickey.com)
  • This airway inflammation is associated with increased mucus production, reduced mucociliary clearance, and increased permeability of the airspace epithelial barrier. (thoracickey.com)
  • Asthma is a chronic inflammatory disease characterized by hyperresponsiveness of airways to various stimuli. (medscape.com)
  • Animal models and studies of groups such as asymptomatic subjects with airway hyperresponsiveness (AHR) show that the various elements of the remodelling process evolve with time, not only with regard to the quantity of the various elements but also in type and airway distribution, possibly under the influence of epithelial cells, and particularly when there is a significant ongoing inflammatory process 3 , 7 - 9 . (ersjournals.com)
  • In 2002, Holgate collaborated with Donna Davies and Genome Therapeutics Corporation in Waltham, Mass, USA to identify the first novel asthma susceptibility gene of ADAM33 that encodes a metalloprotease linked to airway hyperresponsiveness and remodelling. (wikipedia.org)
  • In turn, the development of a peculiar pulmonary emphysema pattern altered lung mechanics and caused persistent noninflammatory airway hyperresponsiveness. (nih.gov)
  • In this regard, however, even in mild recently diagnosed asthma or in childhood asthma, significant airway remodelling can already be observed, although more needs to be known with regard to the reversibility of some of the changes at this early stage 13 - 15 . (ersjournals.com)
  • With regard to the clinical expression of airway diseases, increases in airway wall thickness, collagen content and airway smooth muscle mass have been associated, although inconsistently, with asthma severity 18 - 21 . (ersjournals.com)
  • This originated from the theory that in severe asthma, the airways behaved like a chronic wound with impaired epithelial repair and underlying tissue remodelling involving the deposition of new matrix, mucous metaplasia and proliferation of smooth muscle. (wikipedia.org)
  • 10. Airway smooth muscle hyperproliferation is regulated by microRNA-221 in severe asthma. (nih.gov)
  • 11. MiR-204-5p Inhibits Transforming Growth Factor-β1-Induced Proliferation and Extracellular Matrix Production of Airway Smooth Muscle Cells by Regulating Six1 in Asthma. (nih.gov)
  • 15. GAS5 promotes airway smooth muscle cell proliferation in asthma via controlling miR-10a/BDNF signaling pathway. (nih.gov)
  • 16. Long noncoding RNA LINC-PINT retards the abnormal growth of airway smooth muscle cells via regulating the microRNA-26a-5p/PTEN axis in asthma. (nih.gov)
  • 19. Vasoactive intestinal peptide inhibits airway smooth muscle cell proliferation in a mouse model of asthma via the ERK1/2 signaling pathway. (nih.gov)
  • Resistin-like molecule-β (RELM-β) targets airways fibroblasts to effect remodelling in asthma: from mouse to man. (nih.gov)
  • Fibulin-1 Is increased in asthma: a novel mediator of airway remodeling? (edu.au)
  • Structural changes within airways of asthmatic patients, termed airway remodelling, do not respond to existing asthma medications. (teamhubottawa.com)
  • Employing biomedical imaging modalities alongside human in vitro models, Dr. Mostaço-Guidolin currently investigates questions related to cellular communication and extracellular matrix repair in abnormal mechano-environments, aiming to find novel therapeutic strategies for chronic fibrotic diseases like asthma and chronic obstructive pulmonary diseases (COPD), which remain incurable. (teamhubottawa.com)
  • Which aspects of airway remodelling are detrimental or beneficial? (ersjournals.com)
  • What is the influence of the various aspects of airway remodelling on airway function and clinical outcome? (ersjournals.com)
  • Observations reported in many studies suggest a relationship between the development of airway remodelling and the progressive increase in airway responsiveness, impaired pulmonary function and development of fixed airway obstruction 5 , 16 . (ersjournals.com)
  • In summary, in subjects with COPD, pathological changes can be found in the central airways, the peripheral airways, the lung parenchyma, and pulmonary arteries. (atsjournals.org)
  • Pirfenidone is an orally active small molecule that has recently been evaluated in large clinical trials for the treatment of idiopathic pulmonary fibrosis, a fatal disease in which the uncontrolled deposition of extracellular matrix leads to progressive loss of lung function. (ersjournals.com)
  • Chronic obstructive pulmonary disease (COPD) is a condition characterized by persistent airflow limitation that is usually progressive and is associated with a chronic enhanced inflammatory response in the airways and lungs to noxious particles and gases. (thoracickey.com)
  • [ 55 ] These proximal airway progenitors are keratin 5/14 positive and are located at submucosal gland-duct junctions or intercartilaginous boundaries. (medscape.com)
  • In the bronchioles, the cuboidal epithelium contains secretory club cells and fewer ciliated cells than in more proximal airway regions. (stemcell.com)
  • Since the major determinants of expiratory flow are a driving pressure that promotes flow (elastic recoil of the lung) and an opposing resistance that inhibits flow (airway obstruction), the reduction in flow occurring in COPD is more correctly defined as airflow limitation rather than airflow obstruction, since both loss of elastic recoil and increase in airway resistance play an important role in the observed decrease in flow. (atsjournals.org)
  • Increased deposition of elements such as proteoglycans in the airway wall can then occur, followed by the less reversible collagen deposition. (ersjournals.com)
  • Beas-2B or primary human ASM cells were treated with increasing concentrations of CSE, eCig vapour or IQOS aerosol for 72 h, and cell cytotoxicity (Thaizolyl blue tetrazolium bromide (MTT) and lactate dehydrogenase (LDH)), chemokine release (CXCL8), extracellular matrix (ECM) (collagen 1 and fibronectin) release and mitochondrial respiration (glycolysis and proton leak) were measured. (ersjournals.com)
  • As a post-doctoral fellow, she developed methods to reveal and track changes associated with collagen and elastin deposition in respiratory diseases. (teamhubottawa.com)
  • The aim was to address the hypothesis that RELM-β plays a role in extracellular matrix deposition in asthmatic airways.The effects of RELM-β gene deficiency were studied in a model of allergen exposure in mice sensitised and challenged with Aspergillus fumigatus (Af). (nih.gov)
  • It is probable that the establishment of a certain magnitude and type of airway remodelling will contribute to AHR and symptomatic airway obstruction, in addition to playing a role in the development of fixed airway obstruction and excessive airway narrowing. (ersjournals.com)
  • The centrilobular or centriacinar form of emphysema results from dilatation or destruction of the respiratory bronchioles, is the type most closely associated with tobacco smoking, and is thought to be more associated with severe small-airway obstruction. (thoracickey.com)
  • 1. MicroRNA-142 Inhibits Proliferation and Promotes Apoptosis in Airway Smooth Muscle Cells During Airway Remodeling in Asthmatic Rats via the Inhibition of TGF-β -Dependent EGFR Signaling Pathway. (nih.gov)
  • 2. MicroRNA-200a Affects the Proliferation of Airway Smooth Muscle Cells and Airway Remodeling by Targeting FOXC1 via the PI3K/AKT Signaling Pathway in Ovalbumin-Induced Asthmatic Mice. (nih.gov)
  • 4. MiRNA-620 promotes TGF-β1-induced proliferation of airway smooth muscle cell through controlling PTEN/AKT signaling pathway. (nih.gov)
  • 5. MiR-23b controls TGF-β1 induced airway smooth muscle cell proliferation via TGFβR2/p-Smad3 signals. (nih.gov)
  • 6. MiR-18a Inhibits PI3K/AKT Signaling Pathway to Regulate PDGF BB-Induced Airway Smooth Muscle Cell Proliferation and Phenotypic Transformation. (nih.gov)
  • 8. MiR-23b controls TGF-β1 induced airway smooth muscle cell proliferation via direct targeting of Smad3. (nih.gov)
  • 9. Effect of miR-506-3p on Proliferation and Apoptosis of Airway Smooth Muscle Cells in Asthmatic Mice by Regulating CCL2 Gene Expression and Mediating TLR4/NF-κB Signaling Pathway Activation. (nih.gov)
  • 13. Schisandrin B inhibits the proliferation of airway smooth muscle cells via microRNA-135a suppressing the expression of transient receptor potential channel 1. (nih.gov)
  • 17. MiR-143-3p controls TGF-β1-induced cell proliferation and extracellular matrix production in airway smooth muscle via negative regulation of the nuclear factor of activated T cells 1. (nih.gov)
  • 18. MiR-216a inhibits proliferation and promotes apoptosis of human airway smooth muscle cells by targeting JAK2. (nih.gov)
  • Airway epithelial cell migration and proliferation capacities on normal and stiff substrates were evaluated through video-microscopy and flow cytometry. (frontiersin.org)
  • The main site of mucus hypersecretion, expressed clinically as chronic bronchitis, is the central airways, and there is increasing evidence that the central airways are inflamed in patients with COPD. (atsjournals.org)
  • The various in vitro and animal models developed to study the pathways involved in the changes in the bronchial structure induced by airways allergic reactions or other stimuli confirm this vast heterogeneity. (ersjournals.com)
  • Oral mucosa remodeling has been recently proven to be a feature of severe allergic phenotypes and autoimmune diseases. (encyclopedia.pub)
  • In several allergic and autoimmune diseases, the oral mucosa has been proven to undergo a remodeling process. (encyclopedia.pub)
  • HN - 2010 BX - Airway Remodelling BX - Asthmatic Airway Remodeling BX - Asthmatic Airway Remodelling BX - Asthmatic Airway Wall Remodeling BX - Asthmatic Airway Wall Remodelling BX - Small Airway Remodeling BX - Small Airway Remodelling MH - Alcoholics UI - D057229 MN - M1.66 MS - Persons who have a history of physical or psychological dependence on ETHANOL. (nih.gov)
  • In accordance with our previous studies regarding the functions of ITGB4 in bronchial epithelial cells (BECs), we hypothesize that the decreased ITGB4 expression during embryonic stage leads to abnormal ECM remodeling and increased tissue stiffness, thus impairing BECs motility and compromising lung development. (frontiersin.org)
  • Fibrosis, the dysregulated deposition of extracellular matrix (ECM) with progressive destruction of normal tissue, is a primary or contributing factor in chronic disease states in several organs. (ersjournals.com)
  • Leila Mostaço-Guidolin is an expert in using optical microscopy to characterize the fundamental processes underpinning tissue remodelling and cellular differentiation in health and disease. (teamhubottawa.com)
  • The pseudostratified epithelium of the upper (proximal) airways contains mostly ciliated cells, globet cells and basal cells. (medscape.com)
  • In the lower (distal) airways, where the epithelium is columnar, Clara cells predominate over ciliated cells. (medscape.com)
  • In the most proximal regions of the conducting zone, including the nasal passage, trachea, and bronchi, the airway epithelium exhibits a columnar, pseudostratified morphology. (stemcell.com)
  • The height of this epithelium decreases in more distal regions of the conducting zone and resembles a cuboidal epithelium in the small airway. (stemcell.com)
  • The research of structural changes in airway diseases is relatively recent compared with studies on physiological or inflammatory features. (ersjournals.com)
  • The structural changes in the number, mass, size and/or composition of the airway tissues. (bvsalud.org)
  • use STREPTOCOCCACEAE 1979-2009 MH - Airway Remodeling UI - D056151 MN - C23.300.17 MN - G9.772.29 MS - The structural changes in the number, mass, size and/or composition of the airway tissues. (nih.gov)
  • The human airway, from the nasal passage to the alveolar sacs, is covered with a continuous epithelial sheet that differs in morphology and cellular composition between the conducting and respiratory zones. (stemcell.com)
  • Emphysema will contribute to the airflow limitation by reducing the elastic recoil of the lung through parenchymal destruction, as well as by reducing the elastic load applied to the airways through destruction of alveolar attachments. (atsjournals.org)
  • Direct regulatory effects of RELM-β on human lung fibroblasts were examined using primary cultures and the MRC5 cell line in vitro.Sensitisation and challenge of wild-type mice with Af-induced release of RELM-β with a time course coincident with that of procollagen in the airways. (nih.gov)
  • BRONCHIOLES) remodeling due to smoking, inhaled irritants, etc. (bvsalud.org)
  • The diameter and length of each successive airway branch decreases progressively from the trachea to the terminal bronchioles. (stemcell.com)
  • Airway responsiveness to methacholine (MCh) was assessed, and bronchoalveolar lavage (BAL) and lung tissues were analyzed after the exposure and following a 2-wk washout. (nih.gov)
  • Moreover, it is now well recognized that COPD is a heterogeneous condition with pathologic changes in the large and small airways (chronic bronchitis and bronchiolitis) and lung parenchyma (emphysema) that vary greatly in their expression among patients. (thoracickey.com)
  • Studies examining central airways in smokers have shown that T-lymphocytes and macrophages are the predominant cells infiltrating the airway wall, whereas neutrophils, that are scanty in the airway wall, are increased in the airway lumen ( 7 , 9 ) (Table 1 ). (atsjournals.org)
  • CD14 is an essential mediator of LPS-induced airway disease. (nih.gov)
  • this is evident by the recruitment and infiltration of proinflammatory cells within the airways. (medscape.com)
  • Multipotent, long-lived cells (stem cells) have been identified throughout airways and give rise to both TA and terminally differentiated daughters. (medscape.com)
  • 7. Constitutive high expression of protein arginine methyltransferase 1 in asthmatic airway smooth muscle cells is caused by reduced microRNA-19a expression and leads to enhanced remodeling. (nih.gov)
  • The interaction between extracellular matrix (ECM) and epithelial cells plays a key role in lung development. (frontiersin.org)
  • Here, we examine whether exposure to IQOS has the same damaging effect on human airway epithelial and smooth muscle cells as traditional tobacco cigarette and eCigs in vitro . (ersjournals.com)
  • We used human bronchial epithelial cells (Beas-2B, ATCC CRL-9609) and primary human airway smooth muscle (ASM) cells (ATCC PCS-130-010). (ersjournals.com)
  • CNT structure facilitates their entry, deposition and residence in the lungs and pleura, resulting in incomplete phagocytosis and clearance from the lungs ( Stella, 2011 ). (cdc.gov)
  • The objective of this project is to investigate the function and underlying mechanism of the cyclic nucleotide phosphodiesterase 1C (PDE1C) in pathological vascular remodeling during atherogenesis. (rochester.edu)
  • Cardiac fibrosis is associated with chronic heart failure, atrial fibrillation, and cardiac remodelling following acute myocardial infarction [ 2 , 3 ]. (ersjournals.com)
  • and goblet cell and glandular hyperplasia, in addition to increased airway wall thickening 1 . (ersjournals.com)
  • This remodeling process includes epithelial barrier disruption and the release of inflammatory signals. (encyclopedia.pub)
  • Its possible functions in human airways are largely unknown. (nih.gov)
  • The human airway can be divided into the conducting zone and the respiratory zone. (stemcell.com)
  • Oxandrolone, an anabolic steroid, has been shown to increase muscle protein net deposition and to decrease length of stay in patient with major burns. (medscape.com)
  • The most extensive clinical studies of pirfenidone are for treatment of IPF, a chronic interstitial lung disease characterised by the unregulated deposition of ECM leading to the unremitting destruction of normal lung. (ersjournals.com)
  • Global atomic layer deposition (ALD) market will reach $9,631.3 million by 2031, growing by 13.9% annually over 2021-2031, driven by the increasing demand for 3D NAND storage, the widespread adoption of ALD equipment across various industries, the increasing need for flexible tools to improve functi. (supplydemandmarketresearch.com)
  • Global wood coating market will reach $15,523.2 million by 2031, growing by 5.8% annually over 2021-2031, driven by the advantages and superior properties of wood coatings, the increasing demand for furniture and wooden products due to rising construction and remodeling activities, the advancement i. (supplydemandmarketresearch.com)
  • Small airway (e.g. (bvsalud.org)
  • Because of the small diameter of the pediatric airway, a low threshold for intubation should be maintained. (medscape.com)