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Genomes and Genes | Andrew ChurgSummaryAffiliation: University of British Columbia Country: Canada Publications
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Publications
Airway wall remodeling induced by occupational mineral dusts and air pollutant particlesAndrew Churg
Department of Pathology, University of British Columbia, Vancouver, BC, Canada
Chest 122:306S-309S. 2002..The studies here investigate the hypothesis that particulates, including air pollution particles, can induce airway wall fibrosis, a process that can lead to COPD...
Late intervention with a myeloperoxidase inhibitor stops progression of experimental chronic obstructive pulmonary diseaseAndrew Churg
Department of Pathology and UBC James Hogg Research Centre, Institute for Heart and Lung Health, University of British Columbia, Vancouver, British Columbia, Canada
Am J Respir Crit Care Med 185:34-43. 2012..Myeloperoxidase (MPO), a neutrophil and macrophage product, is important in bacterial killing, but also drives inflammatory reactions and tissue oxidation...
Chronic exposure to high levels of particulate air pollution and small airway remodelingAndrew Churg
Department of Pathology, University of British Columbia, Vancouver, British Columbia, Canada
Environ Health Perspect 111:714-8. 2003..This process may produce chronic airflow obstruction...
Alpha1-antitrypsin suppresses TNF-alpha and MMP-12 production by cigarette smoke-stimulated macrophagesAndrew Churg
Department of Pathology, University of British Columbia, 2211 Wesbrook Mall, Vancouver, BC, V6T 2B5 Canada
Am J Respir Cell Mol Biol 37:144-51. 2007....
Recent advances in the diagnosis of Churg-Strauss syndromeA Churg
Department of Pathology, University of British Columbia, Vancouver, British Columbia, Canada
Mod Pathol 14:1284-93. 2001....
Animal models of cigarette smoke-induced chronic obstructive lung diseaseAndrew Churg
Department of Pathology, University of British Columbia, Vancouver, B C, Canada
Contrib Microbiol 14:113-25. 2007..There are no models of cigarette smoke-induced chronic bronchitis in animals and there are no models of acute exacerbations of COPD...
Alpha-1-antitrypsin and a broad spectrum metalloprotease inhibitor, RS113456, have similar acute anti-inflammatory effectsA Churg
Department of Pathology, University of British Columbia, Vancouver, British Columbia, Canada
Lab Invest 81:1119-31. 2001..The antiproteolytic effects of these agents do not seem to be mediated by protection of endogenous alpha1AT...
Ambient atmospheric particles in the airways of human lungsA Churg
Department of Pathology and School of Occupational and Environmental Hygiene, The University of British Columbia, Vancouver, Canada
Ultrastruct Pathol 24:353-61. 2000....
The separation of benign and malignant mesothelial proliferationsA Churg
University of British Columbia, Vancouver, BC, Canada
Am J Surg Pathol 24:1183-200. 2000..Although both p53 and EMA staining have been proposed as markers of mesothelial malignancy, in our experience they are not helpful for the individual case...
Proteases and emphysemaAndrew Churg
Department of Pathology, University of British Columbia, Vancouver, BC, Canada
Curr Opin Pulm Med 11:153-9. 2005..The protease-antiprotease theory of emphysema is widely accepted, but exactly which cells/proteases play a role continues to be a controversial subject...
Effect of an MMP-9/MMP-12 inhibitor on smoke-induced emphysema and airway remodelling in guinea pigsAndrew Churg
Department of Pathology, University of British Columbia, Vancouver, BC, Canada V6T 2B5
Thorax 62:706-13. 2007..The role of MMPs in smoke-induced small airway remodelling is unknown...
Cigarette smoke drives small airway remodeling by induction of growth factors in the airway wallAndrew Churg
Department of Pathology, University of British Columbia, 2211 Wesbrook Mall, Vancouver, BC, Canada V6T 2B5
Am J Respir Crit Care Med 174:1327-34. 2006..Small airway remodeling (SAR) is an important cause of airflow obstruction in cigarette smokers with chronic obstructive pulmonary disease, but the pathogenesis of SAR is not understood...
Acute cigarette smoke-induced connective tissue breakdown requires both neutrophils and macrophage metalloelastase in miceAndrew Churg
Department of Pathology, University of British Columbia, Vancouver, British Columbia, Canada
Am J Respir Cell Mol Biol 27:368-74. 2002....
Tumor necrosis factor-alpha is central to acute cigarette smoke-induced inflammation and connective tissue breakdownAndrew Churg
Department of Pathology, University of British Columbia, Vancouver, British Columbia, Canada
Am J Respir Crit Care Med 166:849-54. 2002..The findings support the idea that TNF-alpha promoter polymorphisms may be of importance in determining who develops smoke-induced chronic obstructive pulmonary disease...
Acute exacerbation (acute lung injury of unknown cause) in UIP and other forms of fibrotic interstitial pneumoniasAndrew Churg
Department of Pathology, University of British Columbia, Vancouver, BC, Canada
Am J Surg Pathol 31:277-84. 2007..Our data also imply that survival (of the acute episode) may be better than the literature suggests...
Tumor necrosis factor-alpha drives 70% of cigarette smoke-induced emphysema in the mouseAndrew Churg
Department of Pathology, University of British Columbia, 2211 Wesbrook Mall, Vancouver, BC, V6T 2B5 Canada
Am J Respir Crit Care Med 170:492-8. 2004..These findings imply a second TNF-alpha-independent process, possibly related to direct MMP attack on matrix, that produces the remaining 30% of airspace enlargement...
Paratesticular mesothelial proliferationsAndrew Churg
Department of Pathology, University of British Columbia, Vancouver, BC, Canada
Semin Diagn Pathol 20:272-8. 2003..Peritesticular adenomatoid tumors are also very common; they are benign circumscribed cellular nodules with an appearance comparable to that of adenomatoid tumors in other body locations such as the uterine serosa...
alpha-1-Antitrypsin ameliorates cigarette smoke-induced emphysema in the mouseAndrew Churg
Department of Pathology, University of British Columbia, 2211 Wesbrook Mall, Vancouver, BC, Canada V6T 2B5
Am J Respir Crit Care Med 168:199-207. 2003..We conclude that A1AT therapy ameliorates smoke-induced inflammation and matrix breakdown, possibly via an antiinflammatory mechanism related to tumor necrosis factor-alpha suppression, and provides partial protection against emphysema...
Cellular vs fibrosing interstitial pneumonias and prognosis: a practical classification of the idiopathic interstitial pneumonias and pathologically/radiologically similar conditionsAndrew Churg
Department of Pathology, University of British Columbia, 2211 Wesbrook Mall, Vancouver, BC, Canada V6T 2B5
Chest 130:1566-70. 2006
Induction of fibrogenic mediators by fine and ultrafine titanium dioxide in rat tracheal explantsA Churg
Department of Pathology, University of British Columbia, Vancouver, British Columbia, Canada V6T 2B5
Am J Physiol 277:L975-82. 1999..Differential upregulation of PDGF receptors does not appear to explain dust-induced fibrosis in this model...
Chronic hypersensitivity pneumonitisAndrew Churg
Department of Pathology, University of British Columbia, Vancouver, British Columbia, Canada
Am J Surg Pathol 30:201-8. 2006..Despite the presence of extensive fibrosis, some patients responded to removal from exposure and steroid therapy...
Testing drugs in animal models of cigarette smoke-induced chronic obstructive pulmonary diseaseAndrew Churg
Department of Pathology, University of British Columbia, Vancouver, BC V6T 2B5 Canada
Proc Am Thorac Soc 6:550-2. 2009....
Pathologic patterns and survival in chronic hypersensitivity pneumonitisAndrew Churg
Department of Pathology, University of British Columbia, Vancouver, BC, Canada
Am J Surg Pathol 33:1765-70. 2009..Most cases of chronic HP have distinctive pathologic features, but a small percentage of cases cannot be pathologically distinguished from UIP...
Respiratory bronchiolitis/interstitial lung disease: fibrosis, pulmonary function, and evolving conceptsAndrew Churg
Department of Pathology, University of British Columbia, Vancouver, Canada
Arch Pathol Lab Med 134:27-32. 2010..Over time, the diagnostic criteria for RBILD have become progressively more confused...
Macrophage metalloelastase mediates acute cigarette smoke-induced inflammation via tumor necrosis factor-alpha releaseAndrew Churg
Department of Pathology, University of British Columbia, Vancouver, Canada
Am J Respir Crit Care Med 167:1083-9. 2003..TNF-alpha release may be a general mechanism whereby metalloproteases drive cigarette smoke-induced inflammation...
Acute exacerbations of fibrotic interstitial lung diseaseAndrew Churg
Department of Pathology, University of British Columbia, Vancouver, BC, Canada
Histopathology 58:525-30. 2011..The aetiology of acute exacerbations is unknown, and the prognosis is poor; however, some patients survive with high-dose steroid therapy...
What's new in the pleura?Andrew Churg
Department of Laboratory Medicine, University of British Columbia, Vancouver, Canada
Arch Pathol Lab Med 129:1405-6. 2005
Everything prevents emphysema: are animal models of cigarette smoke-induced chronic obstructive pulmonary disease any use?Andrew Churg
Department of Pathology, University of British Columbia, Vancouver, Canada
Am J Respir Cell Mol Biol 45:1111-5. 2011..This approach, combined with the realization that human COPD probably needs early rather than late treatment, may make development of treatments based on animal models more relevant...
The fake fat phenomenon in organizing pleuritis: a source of confusion with desmoplastic malignant mesotheliomasAndrew Churg
Department of Pathology, University of British Columbia, Vancouver, BC, Canada
Am J Surg Pathol 35:1823-9. 2011..In contrast, in true desmoplastic mesotheliomas there is downward, rather than horizontal, growth of keratin-positive spindled cells running between clearly definable fat cells...
Mechanisms of cigarette smoke-induced COPD: insights from animal modelsAndrew Churg
Department of Pathology, University of British Columbia, Vancouver, British Columbia, Canada
Am J Physiol Lung Cell Mol Physiol 294:L612-31. 2008..Emphysema, small airway remodeling, pulmonary hypertension, and mucus production appear to be at least partially independent processes that may require different therapeutic approaches...
The role of interleukin-1beta in murine cigarette smoke-induced emphysema and small airway remodelingAndrew Churg
Department of Pathology, University of British Columbia, 2211 Wesbrook Mall, Vancouver, BC V6T2B5, Canada
Am J Respir Cell Mol Biol 40:482-90. 2009....
Cigarette smoke causes small airway remodeling by direct growth factor induction and releaseAndrew Churg
Department of Pathology, University of British Columbia, 2211 Wesbrook Mall, Vancouver, BC Canada V6T 2B5
Proc Am Thorac Soc 3:493. 2006
Expression of profibrotic mediators in small airways versus parenchyma after cigarette smoke exposureAndrew Churg
Department of Pathology, University of British Columbia, 2211 Wesbrook Mall, Vancouver, BC, V6T 2B5 Canada
Am J Respir Cell Mol Biol 40:268-76. 2009..These observations support the idea that the parenchyma largely fails to repair smoke-induced matrix damage, but this phenomenon is a relatively late event...
Air pollution particles activate NF-kappaB on contact with airway epithelial cell surfacesAndrew Churg
Department of Pathology, University of British Columbia, 2211 Wesbrook Mall, Vancouver, BC, Canada V6T 2B5
Toxicol Appl Pharmacol 208:37-45. 2005..These findings imply that even brief contact of PM with a pulmonary epithelial cell surface may produce deleterious effects in vivo...
Air pollution particles produce airway wall remodeling in rat tracheal explantsJin Dai
Department of Pathology, University of British Columbia, Vancouver, Canada
Am J Respir Cell Mol Biol 29:352-8. 2003..PM-induced airway wall remodeling may play an important role in producing airflow obstruction in individuals living in high PM regions...
Cigarette smoke produces airway wall remodeling in rat tracheal explantsRong D Wang
Department of Pathology, University of British Columbia, 2211 Wesbrook Mall, Vancouver, BC, V6T 2B5 Canada
Am J Respir Crit Care Med 168:1232-6. 2003..Smoke-evoked inflammatory cells are not required for this process...
Transforming growth factor-beta1 drives airway remodeling in cigarette smoke-exposed tracheal explantsRong D Wang
Department of Pathology, University of British Columbia, Vancouver, BC, V6T 2B5 Canada
Am J Respir Cell Mol Biol 33:387-93. 2005....
Synthetic serine elastase inhibitor reduces cigarette smoke-induced emphysema in guinea pigsJoanne L Wright
Department of Pathology, University of British Columbia, Vancouver, British Columbia, Canada
Am J Respir Crit Care Med 166:954-60. 2002..These data demonstrate that a serine elastase inhibitor ameliorates the inflammatory and destructive effects of cigarette smoke, and that these effects are mediated in part by neutrophils and by smoke-driven TNF-alpha production...
Cigarette smoke induces persisting increases of vasoactive mediators in pulmonary arteriesJoanne L Wright
Department of Pathology, University of British Columbia, Vancouver, British Columbia, Canada
Am J Respir Cell Mol Biol 31:501-9. 2004..These changes may be important in the development of smoke-induced pulmonary hypertension...
Cigarette smoke induces rapid changes in gene expression in pulmonary arteriesJoanne L Wright
Department of Pathology, University of British Columbia, Vancouver, British Columbia, Canada
Lab Invest 82:1391-8. 2002..These changes support the idea that pulmonary hypertension in cigarette smokers reflects a direct effect of smoke on the vasculature. The pattern of response in the vessels is distinctly different from that in the airways...
Animal models of cigarette smoke-induced COPDJoanne L Wright
Department of Pathology, University of British Columbia, Vancouver, BC, Canada
Chest 122:301S-306S. 2002..To review the animal models of COPD, and to compare these data to those found in humans...
Vasoactive mediators and pulmonary hypertension after cigarette smoke exposure in the guinea pigJoanne L Wright
Dept of Pathology, University of British Columbia, 2211 Wesbrook Mall, Vancouver, BC, Canada V6T 2B5
J Appl Physiol 100:672-8. 2006....
Fibrosis with emphysemaJoanne L Wright
Department of Pathology, University of British Columbia, Vancouver, BC, Canada
Histopathology 58:517-24. 2011..Care should be taken when describing these lesions in biopsies so as not to give the impression that a diffuse interstitial lung disease is present...
Chronic hypersensitivity pneumonitis: differentiation from idiopathic pulmonary fibrosis and nonspecific interstitial pneumonia by using thin-section CTC Isabela S Silva
Department of Radiology, Vancouver General Hospital, University of British Columbia, 3350 950 W 10th Ave, Vancouver, BC, Canada V5Z 4E3
Radiology 246:288-97. 2008....
Mineral dusts directly induce epithelial and interstitial fibrogenic mediators and matrix components in the airway wallJ Dai
Department of Pathology, University of British Columbia, Vancouver, British Columbia, Canada
Am J Respir Crit Care Med 158:1907-13. 1998..Different mineral dusts produce different patterns of reaction...
Regional heterogeneity in murine lung fibroblasts from normal mice or mice exposed once to cigarette smokeOlena Preobrazhenska
Department of Pathology, University of British Columbia, Vancouver, British Columbia, Canada
PLoS ONE 7:e39761. 2012..However, PF still retain the ability to repair by producing new matrix after a single in vivo smoke exposure...
Airway-centered interstitial fibrosis: a distinct form of aggressive diffuse lung diseaseAndrew Churg
Department of Pathology, University of British Columbia, Vancouver, British Columbia, Canada
Am J Surg Pathol 28:62-8. 2004..Two patients remained stable and 3 improved or healed. We propose that these findings represent a distinct airway-centered disease that mostly behaves as an interstitial lung disease and may exhibit a poor outcome...
Hard metal lung disease: high resolution CT and histologic correlation of the initial findings and demonstration of interval improvementPatricia Dunlop
Department of Radiology, Vancouver General Hospital, University of British Columbia, Vancouver, BC Canada
J Thorac Imaging 20:301-4. 2005..To our knowledge, this is the first described case of HMLD with follow-up CT examination...
A model of tobacco smoke-induced airflow obstruction in the guinea pigJoanne L Wright
Department of Pathology, University of British Columbia, 2211 Westbrook Mall, Vancouver, BC, V6T 2B5, Canada
Chest 121:188S-191S. 2002..Other animal models exist, however, and the investigator should select the model that is most suited to the hypothesis to be tested...
Iron loading makes a nonfibrogenic model air pollutant particle fibrogenic in rat tracheal explantsJin Dai
Department of Pathology, University of British Columbia, Vancouver, Canada
Am J Respir Cell Mol Biol 26:685-93. 2002..These findings suggest that air pollutant particles containing significant quantities of transition metals may produce airway wall fibrosis and lead to chronic obstructive pulmonary disease...
Interactions of exogenous or evoked agents and particles: the role of reactive oxygen speciesAndrew Churg
Department of Pathology, University of British Columbia, Vancouver, British Columbia, Canada
Free Radic Biol Med 34:1230-5. 2003..The small airways appear to be particular targets of coexposure to smoke or ozone and particles, a phenomenon that may produce chronic airflow obstruction...
Animal models of cigarette smoke-induced chronic obstructive pulmonary diseaseJoanne L Wright
Department of Pathology, University Hospital, University of British Columbia, 2211 Wesbrook Mall, Vancouver, BC V6T 2B5, Canada
Expert Rev Respir Med 4:723-34. 2010..The various different anatomic lesions induced by smoke appear to be largely independent effects and may require different therapeutic approaches...
Idiopathic pulmonary fibrosis: spectrum of high-resolution CT findingsCarolina Althoff Souza
Department of Radiology, Vancouver General Hospital, University of British Columbia, 899 W. 12th Ave, Vancouver, BC V5Z 1M9, Canada
AJR Am J Roentgenol 185:1531-9. 2005....
Acute exacerbation of chronic interstitial pneumonia: high-resolution computed tomography and pathologic findingsC Isabela S Silva
Department of Radiology, Vancouver General Hospital and University of British Columbia, Vancouver, BC, Canada
J Thorac Imaging 22:221-9. 2007..To review the high-resolution computed tomography (CT) and histologic findings of acute exacerbation of chronic interstitial pneumonia and to assess the potential value of CT and histologic findings in predicting prognosis...
Malignant mesothelioma of the peritoneum presenting as an inflammatory lesion: a report of four casesScott A J Kerrigan
Department of Pathology, University of British Columbia, Vancouver, Canada
Am J Surg Pathol 27:248-53. 2003..We conclude that peritoneal mesotheliomas may occasionally present as inflammatory processes without grossly evident tumor and can be diagnosed by microscopic findings alone...
Relationship of fiber surface iron and active oxygen species to expression of procollagen, PDGF-A, and TGF-beta(1) in tracheal explants exposed to amosite asbestosJ Dai
Department of Pathology, University of British Columbia, Vancouver, British Columbia, Canada
Am J Respir Cell Mol Biol 24:427-35. 2001..Surface iron and AOS also play a role in PDGF-A and TGF-beta gene expression, but through an ERK-dependent mechanism...
Effects of cigarette smoke and asbestos on airway, vascular and mesothelial cell proliferationH Sekhon
Department of Pathology, University of British Columbia, Canada
Int J Exp Pathol 76:411-8. 1995..However, the latter process does not correlate with local accumulation of asbestos fibres...
Animal models of chronic obstructive pulmonary diseaseJoanne L Wright
Department of Pathology, University of British Columbia, Vancouver, British Columbia, Canada
Am J Physiol Lung Cell Mol Physiol 295:L1-15. 2008....
Hypersensitivity pneumonitis: spectrum of high-resolution CT and pathologic findingsC Isabela S Silva
Department of Radiology, Vancouver General Hospital, University of British Columbia, 899 W 12th Ave, Vancouver, BC, Canada V5Z 1M9
AJR Am J Roentgenol 188:334-44. 2007..Awareness of the various manifestations of HP is important for early diagnosis and management...
Environmental, inhaled and ingested causes of pulmonary fibrosisNasreen Khalil
Department of Medicine, Respiratory Division, Vancouver General Hospital, V5Z 1M9, The University of British Columbia, Canada
Toxicol Pathol 35:86-96. 2007..Prevention or removal of the inciting agent is critical to the treatment of these disorders and in some instances corticosteroids may be of help...
Airway remodeling in the smoke exposed guinea pig modelJ L Wright
Department of Pathology, University of British Columbia, Vancouver, British Columbia, Canada
Inhal Toxicol 19:915-23. 2007..This model should prove useful in further investigations into the mechanisms of airway remodeling...
Short-term exposure to cigarette smoke induces endothelial dysfunction in small intrapulmonary arteries: analysis using guinea pig precision cut lung slicesJ L Wright
Department of Pathology, University of British Columbia, University Hospital, 2211 Wesbrook Mall, Vancouver, BC, Canada
J Appl Physiol 104:1462-9. 2008..These changes may be important in the development of pulmonary hypertension...
Advances in the pathology of COPDJ L Wright
Department of Pathology, University of British Columbia, Vancouver, BC, Canada
Histopathology 49:1-9. 2006..This review is designed to help surgical pathologists evaluate the lungs of subjects who have clinical manifestations of airflow obstruction so that appropriate clinical-pathological correlations can be performed...
Current concepts in mechanisms of emphysemaJ L Wright
Department of Pathology, University of British Columbia, Vancouver, Canada
Toxicol Pathol 35:111-5. 2007..Over the last 10 years, there has been a remarkable degree of progress in our understanding of the pathophysiological mechanisms involved in the genesis of emphysema. This review attempts to summarize these data...
Cigarette smoke upregulates pulmonary vascular matrix metalloproteinases via TNF-alpha signalingJ L Wright
Department of Pathology, University of British Columbia, 2211 Wesbrook Mall, Vancouver, BC, Canada V6T 2B5, USA
Am J Physiol Lung Cell Mol Physiol 292:L125-33. 2007..MMP production is largely TNF-alpha dependent, further supporting the importance of TNF-alpha in the pathogenesis of cigarette smoke-induced lung disease...
Iron enhances uptake of mineral particles and increases lipid peroxidation in tracheal epithelial cellsB Keeling
Department of Pathology, University of British Columbia, Vancouver, Canada
Am J Respir Cell Mol Biol 10:683-8. 1994..These observations suggest that cationic iron may play a major role in particle uptake by tracheobronchial epithelia, and that particle uptake is also related to iron-mediated lipid peroxidation...
Effects of cigarette smoke on the clearance of short asbestos fibres from the lung and a comparison with the clearance of long asbestos fibresA Churg
Department of Pathology, University of British Columbia, Vancouver, Canada
Int J Exp Pathol 73:287-97. 1992..These observations suggest that short asbestos fibres could play an important role in the pathogenesis of some types of asbestos-related disease in cigarette smokers...
Pulmonary hypertension in chronic obstructive pulmonary disease: current theories of pathogenesis and their implications for treatmentJ L Wright
Department of Pathology, University of Columbia, Vancouver, BC, Canada
Thorax 60:605-9. 2005..These changes are in many ways similar to those seen in other forms of pulmonary hypertension and suggest that the treatments used for primary pulmonary hypertension may be beneficial in patients with COPD...
Smoking cessation decreases the number of metaplastic secretory cells in the small airways of the Guinea pigJ L Wright
Department of Pathology, University of British Columbia, Vancouver, Canada
Inhal Toxicol 14:1153-9. 2002..We conclude that, in a guinea pig model, smoking produces secretory-cell metaplasia in the airways and that smoking cessation allows partial recovery of normal structure...
Cigarette smoke increases amosite asbestos fiber binding to the surface of tracheal epithelial cellsA Churg
Department of Pathology, University of British Columbia, Vancouver, British Columbia, Canada V6T 2B5
Am J Physiol 275:L502-8. 1998....
A neutrophil elastase inhibitor reduces cigarette smoke-induced remodelling of lung vesselsJ L Wright
Dept of Pathology, University of British Columbia, Vancouver, Canada
Eur Respir J 22:77-81. 2003..These data suggest that smoke-induced cell proliferation leads to pulmonary arterial muscularisation. Serine-elastase inhibitors appear to be able to reduce cell proliferation and vascular remodelling...
Air pollution and retained particles in the lungM Brauer
School of Occupational and Environmental Hygiene, Department of Medicine, The University of British Columbia, 2206 East Mall, Vancouver, BC, V6T 1Z3 Canada
Environ Health Perspect 109:1039-43. 2001....
The separation of benign and malignant mesothelial proliferationsAndrew Churg
Department of Pathology, G227, University of British Columbia, 2211 Wesbrook Mall, Vancouver, BC V6T 2B5, Canada
Arch Pathol Lab Med 136:1217-26. 2012..The separation of benign from malignant mesothelial proliferations is crucial to patient management but is often a difficult problem for the pathologist...
Commentary--Pathophysiology of airflow obstruction: could there really be an early test of prognostic significance?J L Wright
Department of Pathology, University of British Columbia, 2211 Wesbrook Mall, Room GF164, VGT 2B5, Vancouver, British Columbia, Canada
COPD 1:93-5. 2004..Milic-Emili in this issue. The authors discuss the hyphothesis and suggest that a re-examination of longitudinal lung function data could prove or deny his suggestion...
Animal models of COPD: Barriers, successes, and challengesJoanne L Wright
Department of Pathology, University of British Columbia
Pulm Pharmacol Ther 21:696-8. 2008..Animal models have definite utility in the study of chronic obstructive pulmonary disease. However, choice of model must be determined with the full knowledge of their value, or potential limitations...
Diffuse malignant epithelial mesotheliomas of the peritoneum in women: a clinicopathologic study of 25 patientsScott A J Kerrigan
Department of Pathology, Vancouver Hospital and Health Sciences Center, British Columbia, Canada
Cancer 94:378-85. 2002..However, because there do not appear to be morphologic features that reliably identify favorable tumors versus unfavorable tumors, aggressive therapy for all women with diffuse peritoneal mesotheliomas may be warranted...
Effects of cigarette smoke exposure on retention of asbestos fibers in various morphologic compartments of the guinea pig lungA Churg
Department of Pathology, University of British Columbia, Vancouver, Canada
Am J Pathol 129:385-93. 1987....
TNF-alpha increases tracheal epithelial asbestos and fiberglass binding via a NF-kappaB-dependent mechanismC Xie
Department of Pathology, University of British Columbia, Vancouver, British Columbia, Canada V6T 2B5
Am J Physiol Lung Cell Mol Physiol 279:L608-14. 2000....
Antioxidant gene expression in rat lung after exposure to cigarette smokeC B Gilks
Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, Canada
Am J Pathol 152:269-78. 1998..MT expression is also transiently increased by smoke whereas GPX expression increases after prolonged (7 to 14 days) exposure to cigarette smoke...
Mechanisms of mineral dust-induced emphysemaA Churg
Department of Pathology, University of British Columbia, Vancouver, Canada
Environ Health Perspect 105:1215-8. 1997..These observations support our theory that dust-induced emphysema and smoke-induced emphysema occur through similar mechanisms...
Active oxygen species mediate asbestos fiber uptake by tracheal epithelial cellsJ Hobson
Department of Pathology, University of British Columbia, Vancouver, Canada
FASEB J 4:3135-9. 1990..We conclude that uptake of amosite asbestos fibers is mediated in part by active oxygen species (most likely OH.), but that other mechanisms of fiber uptake must also exist...
Effect of long-term cigarette smoke exposure on pulmonary vascular structure and function in the guinea pigJ L Wright
Department of Pathology, University of British Columbia, Vancouver, Canada
Exp Lung Res 17:997-1009. 1991..The etiology of this process may be smoke-induced inflammation with release of vasoactive substances as well as proteolytic enzymes...
Role of neutrophils and alpha1-antitrypsin in coal- and silica-induced connective tissue breakdownK Zay
Department of Pathology, University of British Columbia, Vancouver, British Columbia, Canada V6T 2B5
Am J Physiol 276:L269-79. 1999..G. Liou and E. J. Campbell. Biochemistry 34: 16171-16177, 1995). Macrophage-derived proteases may be of increasing importance over time, especially in coal-treated animals...
Pulmonary alveolar proteinosis as a reaction to fentanyl patch smokeErin Chapman
Department of Pathology, Vancouver General Hospital and University of British Columbia, Vancouver, BC, Canada
Chest 141:1321-3. 2012..Her symptoms disappeared and her chest imaging changes largely resolved when she stopped smoking the patches. Alveolar proteinosis is an uncommon drug reaction and in this case presented in a very unusual fashion as an inhalation injury...
The distribution of amosite asbestos fibers in the lungs of workers with mesothelioma or carcinomaA Churg
Department of Pathology, University of British Columbia, Vancouver, Canada
Exp Lung Res 15:771-83. 1989..These differences may be a manifestation of individual handling of mineral particles because of structural variations in individual lungs...
Enhanced retention of asbestos fibers in the airways of human smokersA Churg
Department of Pathology, University of British Columbia, Vancouver, Canada
Am J Respir Crit Care Med 151:1409-13. 1995..These findings indicate that cigarette smoking causes enhanced accumulation of both amosite and chrysotile in the airway mucosa. This process may play a role in potentiating the pathologic effects of asbestos...
Effects of cigarette smoke on nitric oxide synthase expression in the rat lungJ L Wright
Department of Pathology, University of British Columbia, Vancouver, Canada
Lab Invest 79:975-83. 1999..These findings indicate that cigarette smoke can directly and rapidly affect NOS expression, and thus potentially affect the function of the pulmonary vasculature...
Site of methacholine reactivity in the peripheral airways: analysis using lung explantsJ L Wright
University of British Columbia, Vancouver, Canada
Am J Physiol 272:L68-72. 1997..They do not, however, completely rule out the possibility of in vivo species-dependent differences in airway-parenchymal interactions...
Rapid short-term clearance of chrysotile compared with amosite asbestos in the guinea pigA Churg
Department of Pathology, University of British Columbia, Vancouver, Canada
Am Rev Respir Dis 139:885-90. 1989....
Absence of amosite asbestos in airway mucosa of non-smoking long term workers with occupational exposure to asbestosA Churg
Department of Pathology, University of British Columbia, Vancouver, Canada
Br J Ind Med 50:355-9. 1993..These findings also call into question the idea that asbestos acts as a direct airway carcinogen in humans...
The distribution of amosite asbestos in the periphery of the normal human lungA Churg
Department of Pathology, University of British Columbia, Vancouver, Canada
Br J Ind Med 47:677-81. 1990....
Mineralogic parameters related to amosite asbestos-induced fibrosis in humansA Churg
Department of Pathology, University of British Columbia, Vancouver, Canada
Am Rev Respir Dis 142:1331-6. 1990..Last, the concentration comparison data indicate that, fiber for fiber, amosite is more fibrogenic than is chrysotile or tremolite, and indirectly suggest that tremolite is more fibrogenic than is chrysotile...
Fiber burden and patterns of asbestos-related disease in workers with heavy mixed amosite and chrysotile exposureA Churg
Department of Pathology, University of British Columbia, Vancouver, Canada
Am J Respir Crit Care Med 150:663-9. 1994..abstract truncated at 250 words)..
Review and update of uncommon primary pleural tumors: a practical approach to diagnosisLaura Granville
Department of Pathology, University of Texas M. D. Anderson Cancer Center, Houston, TX, USA
Arch Pathol Lab Med 129:1428-43. 2005..Correct diagnosis is important because of different prognosis and treatment implications for the various neoplasms...
Differential diagnosis of benign and malignant mesothelial proliferations on pleural biopsiesPhilip T Cagle
Department of Pathology, The Methodist Hospital, Houston, TX 77030, USA
Arch Pathol Lab Med 129:1421-7. 2005....
Transbronchial biopsy and usual interstitial pneumonia: a new paradigm?Andrew Churg
Chest 129:1117-8. 2006
Churg-Strauss syndrome: high resolution CT and pathologic findingsCleonice Isabela S Silva
Department of Diagnostic Imaging, , Brazil
J Thorac Imaging 20:74-80. 2005..These reflect the presence of eosinophilic infiltration of the airspaces, interstitium, and airways, and interstitial edema...
Comparison of monoclonal versus polyclonal calretinin antibodies for immunohistochemical diagnosis of malignant mesotheliomaLaura A Granville
U T MD Anderson Cancer Center, Houston, TX, USA
Appl Immunohistochem Mol Morphol 13:75-9. 2005..Neither antibody performed well on sarcomatous malignant mesothelioma (Zymed=2/22; DAKO=1/22). Both antibodies are useful in the diagnosis of epithelial malignant mesothelioma, although monoclonal antibody is slightly less sensitive...
Ferruginous bodies: implications in the mechanism of fiber and particle toxicityAndrew J Ghio
United States Environmental Protection Agency, Research, Triangle Park, North Carolina 27711, USA
Toxicol Pathol 32:643-9. 2004..It is recommended that an identification of ferruginous bodies in the lung be regarded as support for a metal-catalyzed oxidative stress in the mechanism of cell and tissue injury...
The role of smoking and exposure to asbestos and man-made vitreous fibers in a questionable case of mesotheliomaGary M Marsh
Department of Biostatistics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
Ind Health 41:332-4. 2003..S. cohort may have been caused by asbestos exposure...
Ultrafine airborne particles cause increases in protooncogene expression and proliferation in alveolar epithelial cellsCynthia R Timblin
Department of Pathology, University of Vermont College of Medicine, Burlington, Vermont 05405, USA
Toxicol Appl Pharmacol 179:98-104. 2002....
