Research Topics
Species | Edward ChanSummaryAffiliation: National Jewish Medical and Research Center Country: USA Publications
Research Grants
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Publications
Potential role of the JNK/SAPK signal transduction pathway in the induction of iNOS by TNF-alphaE D Chan
Department of Pediatrics, National Jewish Medical and Research Center, Denver, Colorado 80206, USA
Biochem Biophys Res Commun 253:790-6. 1998....
Current medical treatment for tuberculosisEdward D Chan
Department of Medicine, National Jewish Medical and Research Center, Denver, CO 80206, USA
BMJ 325:1282-6. 2002
What is the role of nitric oxide in murine and human host defense against tuberculosis?Current knowledgeE D Chan
Division of Pulmonary Sciences and Critical Care Medicine, University of Colorado Health Sciences Center and Department of Medicine, National Jewish Medical and Research Center, Denver, Colorado 80206, USA
Am J Respir Cell Mol Biol 25:606-12. 2001..In a Darwinian fashion, it also appears that certain strains of M. tuberculosis have evolved strategies to combat the toxic effects of NO...
Redox paradox: effect of N-acetylcysteine and serum on oxidation reduction-sensitive mitogen-activated protein kinase signaling pathwaysE D Chan
Division of Pulmonary Sciences and Critical Care Medicine, University of Colorado Health Sciences Center, Denver, Colorado, USA
Am J Respir Cell Mol Biol 24:627-32. 2001..Because serum can significantly alter the redox state, these findings highlight the importance of the local redox milieu in signal transduction...
Vertebral osteomyelitis due to infection with nontuberculous Mycobacterium species after blunt trauma to the back: 3 examples of the principle of locus minoris resistentiaeE D Chan
Department of Medicine, National Jewish Medical and Research Center, Denver, CO 80206, USA
Clin Infect Dis 32:1506-10. 2001..We describe 3 patients with vertebral osteomyelitis due to infection with nontuberculous mycobacterial organisms that was precipitated by blunt trauma; these 3 unusual cases illustrate the principle of locus minoris resistentiae...
Induction of inducible nitric oxide synthase-NO* by lipoarabinomannan of Mycobacterium tuberculosis is mediated by MEK1-ERK, MKK7-JNK, and NF-kappaB signaling pathwaysE D Chan
Division of Pulmonary Sciences and Critical Care Medicine, University of Colorado Health Sciences Center, Denver, Colorado, USA
Infect Immun 69:2001-10. 2001..These results indicate that combined IFN-gamma and ManLAM stimulation induced iNOS and NO. expression and that MEK1-ERK, MKK7-JNK, IKK-NF-kappaB, and p38mapk signaling pathways play important regulatory roles...
IFN-gamma + LPS induction of iNOS is modulated by ERK, JNK/SAPK, and p38(mapk) in a mouse macrophage cell lineE D Chan
Division of Pulmonary Sciences and Critical Care Medicine, University of Colorado Health Sciences Center, Denver, Colorado 80206, USA
Am J Physiol Cell Physiol 280:C441-50. 2001..These results indicate that the MAPKs are important regulators of iNOS-NO. expression by IFN-gamma + LPS...
Immunologic diagnosis of tuberculosis: a reviewE D Chan
Division of Pulmonary Sciences and Critical Care Medicine, University of Colorado Health Sciences Center and National Jewish Medical and Research Center, Denver, CO, USA
Tuber Lung Dis 80:131-40. 2000..Furthermore, the higher costs and greater training required in performing these tests makes it important that future studies also assess whether their use affects patient outcomes in management of TB...
Diagnosis of tuberculosis by a visually detectable immunoassay for lipoarabinomannanE D Chan
Division of Pulmonary Sciences and Critical Care Medicine, and Department of Cellular and Structural Biology, University of Colorado Health Sciences Center, and National Jewish Medical and Research Center, Denver, Colorado, USA
Am J Respir Crit Care Med 161:1713-9. 2000..We conclude that anti-LAM IgG immunoassay is relatively sensitive and specific for active TB and thus, a potentially useful screening test for active TB...
Calcium deposition with or without bone formation in the lungEdward D Chan
Division of Pulmonary Sciences, University of Colorado Health Sciences Center, Denver, USA
Am J Respir Crit Care Med 165:1654-69. 2002....
Pulmonary edema fluid antioxidants are depressed in acute lung injuryRussell P Bowler
Department of Medicine, National Jewish Medical and Research Center, Denver, CO, USA
Crit Care Med 31:2309-15. 2003..In acute lung injury, the distal airspace antioxidants ascorbate, urate, and glutathione may play a role in attenuating lung injury...
Treatment and outcome analysis of 205 patients with multidrug-resistant tuberculosisEdward D Chan
Department of Medicine, Program in Cell Biology and Division of Biostatistics, National Jewish Medical and Research Center, Denver, CO 80206, USA
Am J Respir Crit Care Med 169:1103-9. 2004..The improvement was statistically significant for surgery and among older patients for fluoroquinolone therapy...
Proteomic analysis of pulmonary edema fluid and plasma in patients with acute lung injuryRussell P Bowler
National Jewish Medical and Research Center, K736a, 1400 Jackson St, Denver, CO 80206, USA
Am J Physiol Lung Cell Mol Physiol 286:L1095-104. 2004..Nearly all ALI patients also had protein spots that indicate truncation or other posttranslational modifications. Several of these novel changes could serve as new biomarkers of lung injury...
Airway antioxidants and oxidative stress as predictors of sputum atypia and airflow obstructionRussell P Bowler
National Jewish Medical and Research Center, Denver, CO 80206, USA
Chest 125:127S-8S. 2004
Pulmonary infection with Mycobacterium neoaurum identified by 16S ribosomal DNA sequenceYoshikazu Morimoto
Department of Medicine, National Jewish Medical and Research Center, 1400 Jackson St, Denver, CO 80206, USA
J Infect 54:e227-31. 2007..We describe the first case of pulmonary infection with M. neoaurum. We speculate that unrecognized aspiration and long-term corticosteroid therapy predisposed our patient to this rare mycobacterial infection...
The protein of a new gene, Tctex4, interacts with protein kinase CK2beta subunit and is highly expressed in mouse testisXiyuan Bai
McLaughlin Research Institute for Biomedical Sciences, Great Falls, MT 59405, USA
Biochem Biophys Res Commun 307:86-91. 2003..CK2beta interacts specifically with Tctex4 both in a yeast two-hybrid system and in an in vitro interaction assay. Northern blot and in situ hybridization showed that Tctex4 is a novel gene that is expressed in mouse testis...
Mycoplasma pneumoniae antigens stimulate interleukin-8Kathryn Chmura
Department of Medicine, National Jewish Medical and Research Center, Denver CO 80206, USA
Chest 123:425S. 2003
Induction of IL-8 by Mycoplasma pneumoniae membrane in BEAS-2B cellsKathryn Chmura
Department of Medicin, National Jewish Medical and Research Center, Denver, Colorado 80206, USA
Am J Physiol Lung Cell Mol Physiol 295:L220-30. 2008..pneumoniae are also known to have anti-inflammatory effects. Whereas clarithromycin, azithromycin, and moxifloxacin individually were able to inhibit TNF-alpha-induction of IL-8, each failed to inhibit MMF-induction of IL-8...
Pseudomonas aeruginosa twitching motility-mediated chemotaxis towards phospholipids and fatty acids: specificity and metabolic requirementsRhea M Miller
Department of Microbiology, University of Colorado Denver, Aurora, CO 80045, USA
J Bacteriol 190:4038-49. 2008....
Corticosteroids for bacterial meningitisEdward D Chan
N Engl J Med 358:1399; author reply 1400-1. 2008
Alpha-1-antitrypsin (AAT) anomalies are associated with lung disease due to rapidly growing mycobacteria and AAT inhibits Mycobacterium abscessus infection of macrophagesEdward D Chan
Department of Medicine, National Jewish Medical and Research Center, Denver, CO, USA
Scand J Infect Dis 39:690-6. 2007..abscessus infection of monocyte-derived macrophages by up to 65% (p<0.01). AAT may be an anti-RGM host-defense factor, and anomalous AAT phenotypes or AAT deficiency may constitute risk factors for pulmonary disease due to RGM...
Activation of the mitogen-activated protein kinase signaling pathway is instrumental in determining the ability of Mycobacterium avium to grow in murine macrophagesHubert M Tse
Mycobacteria Research Laboratories, Department of Microbiology, Colorado State University, Fort Collins, CO 80523, USA
J Immunol 168:825-33. 2002..Therefore, the data suggest that induction of the MAPK pathway during uptake of bacteria is instrumental in determining the eventual fate of the bacteria...
Mycobacterium tuberculosis induces interleukin-32 production through a caspase- 1/IL-18/interferon-gamma-dependent mechanismMihai G Netea
Division of Infectious Diseases, University of Colorado Health Sciences Center, Denver, Colorado, USA
PLoS Med 3:e277. 2006..Interleukin (IL)-32 is a newly described proinflammatory cytokine that seems likely to play a role in inflammation and host defense. Little is known about the regulation of IL-32 production by primary cells of the immune system...
Pulmonary capillary hemangiomatosis: an immunohistochemical analysis of vascular remodeling in a fatal caseAndrew Sullivan
Division of Pulmonary Sciences and Critical Care Medicine, University of Colorado School of Medicine, Denver, CO 80262, USA
Chest 128:576S. 2005
Pulmonary Mycobacterium tuberculosis infection in leptin-deficient ob/ob miceCatharina W Wieland
Laboratory of Experimental Internal Medicine, and Department of Pathology, Academic Medical Center, University of Amsterdam, The Netherlands
Int Immunol 17:1399-408. 2005..Leptin replacement restored the reduced IFNgamma response observed in ob/ob mice. Mortality did not differ between ob/ob and Wt mice. These data suggest that leptin plays a role in the early immune response to pulmonary tuberculosis...
A middle-aged woman with recurrent respiratory infectionsKathryn Chmura
Department of Medicine, University of Colorado Health Sciences Center, Denver, CO 80262, USA
Respiration 72:427-30. 2005
Dysphagia, chest pain, and refractory asthma in a 42-year-old womanRobert A Winn
University of Colorado Health Sciences Center, Division of Pulmonary Sciences and Critical Care Medicine, Campus Box C272, 4200 E Ninth Ave, Denver, CO 80262, USA
Chest 126:1694-7. 2004
Morphometric analysis of Th(1) and Th(2) cytokine expression in human pulmonary tuberculosisXiyuan Bai
Department of Medicine, University of Colorado School of Medicine, Denver, CO 80206, USA
Tuberculosis (Edinb) 84:375-85. 2004..CONCLUSION: Th(1) cytokines and TGFbeta are increased while Th(2) cytokines are decreased in well-formed pulmonary granulomas of TB patients compared to controls...
Interleukin-18 expression in cystic fibrosis lungsEdward D Chan
Division of Infectious Diseases, University of Colorado Health Sciences Center, Denver, 80262, USA
Chest 121:84S-85S. 2002
Impairment of macrophage survival by NaCl: implications for early pulmonary inflammation in cystic fibrosisGwendolyn S Kerby
Program in Cell Biology, Department of Pediatrics, National Jewish Medical and Research Center, Denver, CO 80206, USA
Am J Physiol Lung Cell Mol Physiol 283:L188-97. 2002..We speculate that augmentation of macrophage apoptosis in CF airways may result in decreased clearance of neutrophils and in deficiencies in the elimination of common CF pathogens...
Analysis of nitric oxide synthase and nitrotyrosine expression in human pulmonary tuberculosisHyung-Seok Choi
Department of Medicine, Program in Cell Biology, National Jewish Medical and Research Center, Denver, Colorado 80206, USA
Am J Respir Crit Care Med 166:178-86. 2002..This descriptive study provides evidence that in human TB, NOS isoenzymes and NO are present in specialized areas of the tuberculous granulomas; their precise role in human TB remains to be determined...
Multiple pulmonary nodules in an HIV-positive man on highly active antiretroviral therapyRobert A Winn
Division of Pulmonary Sciences and Critical Care Medicine, University of Colorado Health Sciences Center, Denver, CO 80262, USA
Chest 122:1840-3. 2002
Role of the NF-kappaB signaling pathway and kappaB cis-regulatory elements on the IRF-1 and iNOS promoter regions in mycobacterial lipoarabinomannan induction of nitric oxideKristin R Morris
Department of Medicine, National Jewish Medical and Research Center, Denver, Colorado, USA
Infect Immun 71:1442-52. 2003..The influence of mitogen-activated protein kinases on IFN-gamma plus ManLAM induction of iNOS-NO(.) is not due to any effects on ManLAM induction of NF-kappaB...
Treatment outcomes in extensively resistant tuberculosisEdward D Chan
N Engl J Med 359:657-9. 2008
Research Grants
- Host defense functions of M. tuberculosis lipoglycanEdward Chan; Fiscal Year: 2005..3. To elucidate the role of the TLRs, MAPK and NFkB signaling pathways, and ManLAM in controlling the growth of M. tuberculosis in mouse and human macrophages and to correlate effects on growth with NO* and TNFa expression. ..
