Research Topics
Genomes and Genes | V CastranovaSummaryAffiliation: Centers for Disease Control and Prevention Country: USA Publications
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Publications
Toxicology of Nanomaterials: Permanent interactive learningPaul Borm
Zuyd University, Centre of Expertise in Life Sciences, PO Box 550, 6400 AN, Heerlen, The Netherlands
Part Fibre Toxicol 6:28. 2009..Finally, we take the opportunity discuss some recent reports from the nanotech literature, and more specifically a Chinese study that claims severe consequences of nanoparticle exposure...
Nanoparticle inhalation augments particle-dependent systemic microvascular dysfunctionTimothy R Nurkiewicz
Center for Interdisciplinary Research in Cardiovascular Sciences, West Virginia University School of Medicine, Morgantown, WV, USA
Part Fibre Toxicol 5:1. 2008..abstract:..
The limits of testing particle-mediated oxidative stress in vitro in predicting diverse pathologies; relevance for testing of nanoparticlesKen Donaldson
MRC University of Edinburgh Centre for Inflammation Research, ELEGI Colt Laboratory, Queen s Medical Research Institute, 47 Little France Crescent, Edinburgh, EH16 4TJ, UK
Part Fibre Toxicol 6:13. 2009..We discuss the likely explanation and implications of this apparent paradox, and its relevance for testing in nanotoxicology...
Dispersion of single-walled carbon nanotubes by a natural lung surfactant for pulmonary in vitro and in vivo toxicity studiesLiying Wang
National Institute for Occupational Safety and Health, HELD PPRB, Morgantown, WV 26505, USA
Part Fibre Toxicol 7:31. 2010..The aims of this study were to develop a simple and rapid method of nanoparticle dispersion using a natural lung surfactant and to evaluate the effect of dispersion status of SWCNT on cytotoxicity and fibrogenicity in vitro and in vivo...
Microprocessor of microRNAs: regulation and potential for therapeutic interventionKevin J Beezhold
Laboratory of Cancer Signaling and Epigenetics, Health Effects Laboratory Division, Pathology and Physiology Research Branch, National Institute for Occupational Safety and Health, 1095 Willowdale Road, Morgantown, WV 26505, USA
Mol Cancer 9:134. 2010..In this review, we briefly discuss most recent discoveries on the regulation of miRNAs at the level of microprocessor-mediated biogenesis of miRNAs...
Metallic nickel nano- and fine particles induce JB6 cell apoptosis through a caspase-8/AIF mediated cytochrome c-independent pathwayJinshun Zhao
Pathology and Physiology Research Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV, 26505, USA
J Nanobiotechnology 7:2. 2009..abstract:..
Effect of exposure to diesel exhaust particles on the susceptibility of the lung to infectionV Castranova
National Institute for Occupational Safety and Health, Morgantown, West Virginia 26505, USA
Environ Health Perspect 109:609-12. 2001..This inhibitory effect appears to be due to adsorbed organic chemicals rather than the carbonaceous core of the diesel particles...
Pulmonary response to intratracheal instillation of ultrafine versus fine titanium dioxide: role of particle surface areaTina M Sager
Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia, USA
Part Fibre Toxicol 5:17. 2008..abstract:..
Response of alveolar macrophages from inducible nitric oxide synthase knockout or wild-type mice to an in vitro lipopolysaccharide or silica exposurePatti C Zeidler
Department of Physiology and Pharmacology, West Virginia University, Morgantown, West Virginia 26505, USA
J Toxicol Environ Health A 66:995-1013. 2003..In addition, LPS induced TNF-รก and MIP-2 production tend to be higher in AMs from iNOS KO mice. Such compensatory changes in the AM response may affect the response of iNOS KO mice to inflammatory exposures...
Pulmonary alterations associated with inhalation of occupational and environmental irritantsV Castranova
Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA
Int Immunopharmacol 2:163-72. 2002....
Overview of current toxicological knowledge of engineered nanoparticlesVincent Castranova
National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA
J Occup Environ Med 53:S14-7. 2011..Therefore, evaluation of the biological effects of nanoparticles is critical...
Surface area of particle administered versus mass in determining the pulmonary toxicity of ultrafine and fine carbon black: comparison to ultrafine titanium dioxideTina M Sager
Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia, USA
Part Fibre Toxicol 6:15. 2009..abstract:..
Role of nitric oxide in the progression of pneumoconiosisV Castranova
Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia 26505, USA
Biochemistry (Mosc) 69:32-7. 2004..Therefore, NO may play an important role in the initiation and progression of pneumoconiosis...
Silicosis and coal workers' pneumoconiosisV Castranova
Pathology and Physiology Research Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia, USA
Environ Health Perspect 108:675-84. 2000..Results of in vitro and animal studies provide a basis for proposing these mechanisms for the initiation and progression of pneumoconiosis. Data obtained from exposed workers lend support to these mechanisms...
Augmentation of pulmonary reactions to quartz inhalation by trace amounts of iron-containing particlesV Castranova
Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia 26505, USA
Environ Health Perspect 105:1319-24. 1997..These results suggest that inhalation of freshly fractured quartz contaminated with trace levels of Fe may be more pathogenic than inhalation of quartz alone...
Enhancement of nitric oxide production by pulmonary cells following silica exposureV Castranova
Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia 26505, USA
Environ Health Perspect 106:1165-9. 1998..NO-dependent CL from AM. These data suggest that .NO may play a role in silicosis and that human pulmonary phagocytes exhibit enhanced .NO production in response to an inflammatory insult...
Oxidative stress and inflammatory response in dermal toxicity of single-walled carbon nanotubesA R Murray
Health Effects Laboratory Division, Pathology and Physiology Research Branch, NIOSH, M L 2015, 1095 Willowdale Road, Morgantown, WV 26505, United States
Toxicology 257:161-71. 2009..Altogether, these data indicated that topical exposure to unpurified SWCNT, induced free radical generation, oxidative stress, and inflammation, thus causing dermal toxicity...
Size-dependent effects of tungsten carbide-cobalt particles on oxygen radical production and activation of cell signaling pathways in murine epidermal cellsM Ding
Pathology and Physiology Research Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA
Toxicol Appl Pharmacol 241:260-8. 2009....
Interleukin-10-mediated inhibition of free radical generation in macrophagesS Dokka
Department of Basic Pharmaceutical Sciences, West Virginia University, Morgantown, WV 26506, USA
Am J Physiol Lung Cell Mol Physiol 280:L1196-202. 2001..OH radicals in response to LPS stimulation. These results demonstrate, for the first time, direct evidence for the role of IL-10 in ROS-dependent NF-kappaB activation...
Diesel exhaust particles suppress macrophage function and slow the pulmonary clearance of Listeria monocytogenes in ratsH M Yang
Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia 26505, USA
Environ Health Perspect 109:515-21. 2001..This DEP-induced suppression is caused partially by chemicals adsorbed onto the carbon core of DEP, because impaired macrophage function and decreased Listeria clearance were not observed following exposure to CB...
Role of reactive oxygen species and p53 in chromium(VI)-induced apoptosisJ Ye
Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia 26505, USA
J Biol Chem 274:34974-80. 1999....
Cr(IV) causes activation of nuclear transcription factor-kappa B, DNA strand breaks and dG hydroxylation via free radical reactionsX Shi
Pathology and Physiology Research Branch, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA
J Inorg Biochem 75:37-44. 1999..The results also suggest that the Cr(IV)-glutathione complex may be used as a model compound to study the role of Cr(IV) in Cr(VI) carcinogenicity...
Reactive oxygen species and molecular mechanism of silica-induced lung injuryX Shi
Pathology and Physiology Research Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA
J Environ Pathol Toxicol Oncol 20:85-93. 2001....
Phenol-induced in vivo oxidative stress in skin: evidence for enhanced free radical generation, thiol oxidation, and antioxidant depletionA R Murray
Department of Physiology and Pharmacology, West Virginia University, Morgantown 26506, USA
Chem Res Toxicol 20:1769-77. 2007..Since dermal exposure to PhOH produced ESR-detectable PBN spin-trapped signals of lipid-derived radicals, we conclude that this PhOH-induced radical formation is involved in oxidative stress and dermal toxicity in vivo...
Acute inflammation and recovery in rats after intratracheal instillation of a 1-->3-beta-glucan (zymosan A)S H Young
Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia 26505, USA
J Toxicol Environ Health A 64:311-25. 2001..A good correlation (r2= .8) between recovery of PMN in BAL, CL, or nitric oxide production and the days postexposure was observed...
Changes in bronchoalveolar lavage indices associated with radiographic classification in coal minersV Vallyathan
Pathology and Physiology Research Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, and Section of Pulmonary and Critical Care Medicine, West Virginia University, Morgantown, West Virginia, USA
Am J Respir Crit Care Med 162:958-65. 2000..These results are in good agreement with our hypothesis that development of CWP and its progression may be correlated with an oxidative stress and up-regulation of cytokines and mediators of growth...
Comparative pulmonary toxicity of 6 abrasive blasting agentsA F Hubbs
Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, 1095 Willowdale Road, Morgantown, West Virginia 26505, USA
Toxicol Sci 61:135-43. 2001..In contrast, specular hematite did not significantly elevate LDH or PMN levels and did not stimulate macrophage activity 4 weeks postexposure...
Induction of activator protein-1 through reactive oxygen species by crystalline silica in JB6 cellsM Ding
Pathology and Physiology Research Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia 26505, USA
J Biol Chem 276:9108-14. 2001..These studies indicate that freshly ground silica is more biologically active than aged silica and that ROS, in particular H(2)O(2), play a significant role in silica-induced AP-1 activation...
Effects of asphalt fume condensate exposure on acute pulmonary responsesJ Y Ma
Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia 26505 2888, USA
Arch Toxicol 74:452-9. 2000..The present study was carried out to characterize the effects of in vitro exposure to paving asphalt fume condensate (AFC) on alveolar macrophage (AM) functions and to monitor acute pulmonary responses to in vivo AFC exposure in rats...
Inhalation vs. aspiration of single-walled carbon nanotubes in C57BL/6 mice: inflammation, fibrosis, oxidative stress, and mutagenesisA A Shvedova
Health Effects Laboratory Div, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA
Am J Physiol Lung Cell Mol Physiol 295:L552-65. 2008..SWCNT inhalation was more effective than aspiration in causing inflammatory response, oxidative stress, collagen deposition, and fibrosis as well as mutations of K-ras gene locus in the lung of C57BL/6 mice...
Silica-induced pulmonary inflammation in rats: activation of NF-kappa B and its suppression by dexamethasoneM Sacks
Program in Genetics and Developmental Biology, West Virginia University, Morgantown 26506, USA
Biochem Biophys Res Commun 253:181-4. 1998..These results show that activation of NF-kappa B is associated with silica-induced pulmonary inflammation, and the inhibition of its activation correlates temporally with suppression of inflammation...
Biological and statistical approaches to predicting human lung cancer risk from silicaE D Kuempel
National Institute for Occupational Safety and Health, Education and Information Division, Risk Evaluation Branch, Cincinnati, OH 45226 1998, USA
J Environ Pathol Toxicol Oncol 20:15-32. 2001..This study illustrates that assumptions about the relevant biological mechanism, animal model, and statistical approach can all influence the magnitude of lung cancer risk estimates in humans exposed to crystalline silica...
Effects of paving asphalt fume exposure on genotoxic and mutagenic activities in the rat lungH W Zhao
Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA
Mutat Res 557:137-49. 2004....
Pro/antioxidant status in murine skin following topical exposure to cumene hydroperoxide throughout the ontogeny of skin cancerA A Shvedova
Pathology and Physiology Research Branch, National Institute for Occupational Safety and Health, Morgantown, West Virginia, USA
Biochemistry (Mosc) 69:23-31. 2004..These results suggest that COX-2-dependent oxidative metabolism is at least partially involved in Cum-OOH-induced inflammatory responses and thus tumor promotion...
Alteration of deposition pattern and pulmonary response as a result of improved dispersion of aspirated single-walled carbon nanotubes in a mouse modelR R Mercer
Pathology and Physiology Research Branch, Health Effects Laboratory, NIOSH, Morgantown, WV 26505, USA
Am J Physiol Lung Cell Mol Physiol 294:L87-97. 2008..The results demonstrate that dispersed SWCNT are rapidly incorporated into the alveolar interstitium and that they produce an increase in collagen deposition...
Reactive oxygen species: their relation to pneumoconiosis and carcinogenesisV Vallyathan
Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia 26505, USA
Environ Health Perspect 106:1151-5. 1998..This article briefly summarizes some of the recent findings from our laboratories with emphasis on the molecular events by which ROS are involved in promoting pneumoconiosis and carcinogenesis...
Effects of exposure to diesel exhaust particles (DEP) on pulmonary metabolic activation of mutagenic agentsH W Zhao
Health Effects Laboratory Division, National Institute for Occupational Safety and Health, 1095 Willowdale Road, Morgantown, WV 26505-2888, USA
Mutat Res 564:103-13. 2004..The bioactivation of mutagens are metabolic enzyme- and substrate-specific, and both CYP1A1 and CYP2B1 play important roles in pulmonary mutagen activation...
Pro/antioxidant status and AP-1 transcription factor in murine skin following topical exposure to cumene hydroperoxideA R Murray
Department of Physiology and Pharmacology, West Virginia University, Morgantown, WV 26505, USA
Carcinogenesis 28:1582-8. 2007..These results suggest that Cum-OOH-induced carcinogenesis is accompanied by increased AP-1 activation and changes in antioxidant status...
Reactive oxygen species and silica-induced carcinogenesisX Shi
Pathology and Physiology Research Branch, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA
J Toxicol Environ Health B Crit Rev 1:181-97. 1998..Understanding the role of ROS in silica-mediated reactions may help develop therapeutic agents to block silica-induced free radical reactions and thus prevent or attenuate silica-induced carcinogenesis...
Pulmonary and cardiovascular responses of rats to inhalation of a commercial antimicrobial spray containing titanium dioxide nanoparticlesW McKinney
Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA
Inhal Toxicol 24:447-57. 2012..It would be prudent to avoid exposure to children or those with pre-existing respiratory disease...
Subchronic silica exposure enhances respiratory defense mechanisms and the pulmonary clearance of Listeria monocytogenes in ratsJ M Antonini
Health Effects Laboratory Division, National Institute for Occupational Safety and Health, 1095 Willowdale Road, Morgantown, WV 26505, USA
Inhal Toxicol 12:1017-36. 2000..These elevations in pulmonary immune response are likely responsible for the increase in pulmonary clearance of L. monocytogenes observed with preexposure to silica...
Time-dependent apoptosis of alveolar macrophages from rats exposed to bleomycin: involvement of tnf receptor 2H W Zhao
Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia, USA
J Toxicol Environ Health A 67:1391-406. 2004..These results indicate that the sustained expression of TNF-R2 in AM by BLM exposure may sensitize these cells to TNF-a-mediated toxicity...
Interaction between primary alveolar macrophages and primary alveolar type II cells under basal conditions and after lipopolysaccharide or quartz exposureR S Kanj
National Institute for Occupational Safety and Health, Health Effects Laboratory Division, Morgantown, West Virginia 26505, USA
J Toxicol Environ Health A 69:1097-116. 2006....
Nanoparticle inhalation impairs endothelium-dependent vasodilation in subepicardial arteriolesA J Leblanc
Center for Cardiovascular and Respiratory Sciences, West Virginia University School of Medicine, Morgantown 26506 9105, West Virginia, USA
J Toxicol Environ Health A 72:1576-84. 2009..Such disturbances in coronary microvascular function are consistent with the cardiac events associated with particle pollution exposure...
Cell permeability, migration, and reactive oxygen species induced by multiwalled carbon nanotubes in human microvascular endothelial cellsM Pacurari
Mary Babb Randolph Cancer Center, West Virginia University, Morgantown, West Virginia 26506 9300, USA
J Toxicol Environ Health A 75:129-47. 2012..The results generated from this study also elucidate the potential adverse effects of MWCNT exposure on humans at the cellular level...
Reduction of chromium(VI) and its relationship to carcinogenesisX Shi
Pathology and Physiology Research Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia 26505, USA
J Toxicol Environ Health B Crit Rev 2:87-104. 1999....
Increased accumulation of neutrophils and decreased fibrosis in the lung of NADPH oxidase-deficient C57BL/6 mice exposed to carbon nanotubesA A Shvedova
Pathology and Physiology Research Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, West Virginia University, Morgantown, WV, USA
Toxicol Appl Pharmacol 231:235-40. 2008..These results demonstrate a role for NADPH oxidase-derived reactive oxygen species in determining course of pulmonary response to SWCNT...
Molecular mechanism of tumor necrosis factor-alpha production in 1-->3-beta-glucan (zymosan)-activated macrophagesS H Young
Engineering Control and Technology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, National Institutes of Health, Morgantown, West Virginia 26505, USA
J Biol Chem 276:20781-7. 2001..Together, these results strongly suggest that NF-kappaB is involved in signal transduction of 1-->3-beta-glucans-induced TNF-alpha expression...
Diesel exhaust particle-induced alterations of pulmonary phase I and phase II enzymes of ratsA Rengasamy
Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia, USA
J Toxicol Environ Health A 66:153-67. 2003..This study suggests that DEP may induce CYP1A1 and QR enzymes via a chemical effect, while the carbonaceous core may be involved in the attenuation of CYP2B1, GST, and catalase proteins and enzyme activities...
Opposite effect of NF-kappa B and c-Jun N-terminal kinase on p53-independent GADD45 induction by arseniteF Chen
Pathology and Physiology Research Branch, National Institute for Occupational Safety and Health, Morgantown, West Virginia 26505, USA
J Biol Chem 276:11414-9. 2001..These results indicate a molecular mechanism by which NF-kappaB and JNK may differentially contribute to cell cycle regulation in response to arsenite...
Time course of pulmonary response of rats to inhalation of crystalline silica: histological results and biochemical indices of damage, lipidosis, and fibrosisD W Porter
National Institute for Occupational Safety and Health, Health Effects Laboratory Division, Morgantown, WV 26505, USA
J Environ Pathol Toxicol Oncol 20:1-14. 2001....
Reactivity of free radicals on hydroxylated quartz surface and its implications for pathogenicity experimental and quantum mechanical studyR Konecny
National Institute for Occupational Safety and Health, Morgantown, WV 26505-2888, USA
J Environ Pathol Toxicol Oncol 20:119-32. 2001..The theoretical predictions are supported experimentally using chemiluminescence to monitor reactivation of the aged silica surface by superoxide anion radicals...
Nanoparticle inhalation impairs coronary microvascular reactivity via a local reactive oxygen species-dependent mechanismA J Leblanc
Center for Cardiovascular and Respiratory Sciences, West Virginia University School of Medicine, Morgantown, 26506 9105, USA
Cardiovasc Toxicol 10:27-36. 2010..Furthermore, altered prostanoid formation may also contribute to this dysfunction. Such disturbances in coronary microvascular function may contribute to the cardiac events associated with exposure to particles in this size range...
Multi-walled carbon nanotube-induced gene expression in the mouse lung: association with lung pathologyM Pacurari
Mary Babb Randolph Cancer Center, West Virginia University, Morgantown, WV 26506 9300, USA
Toxicol Appl Pharmacol 255:18-31. 2011..Taken together, this study identifies that MWCNT exposure affects a subset of lung cancer biomarkers in mouse lungs...
Elevated oxidative stress in skin of B6C3F1 mice affects dermal exposure to metal working fluidA A Shvedova
Health Effects Laboratory Division, Pathology and Physiology Research Branch, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, Morgantown, West Virginia 26505, USA
Toxicol Ind Health 16:267-76. 2000..Such changes were not observed with MWF treatment alone. These data indicate that oxidative stress can enhance dermal inflammation caused by occupational exposure to MWF...
Mechanisms of pulmonary toxicity and medical applications of carbon nanotubes: Two faces of Janus?A A Shvedova
Pathology and Physiology Research Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV, United States
Pharmacol Ther 121:192-204. 2009....
Cell permeability, migration, and reactive oxygen species induced by multiwalled carbon nanotubes in human microvascular endothelial cellsM Pacurari
Mary Babb Randolph Cancer Center, West Virginia University, Morgantown, West Virginia 26506 9300, USA
J Toxicol Environ Health A 75:112-28. 2012..The results generated from this study also elucidate the potential adverse effects of MWCNT exposure on humans at the cellular level...
Activation of mitogen-activated protein kinase p38 and extracellular signal-regulated kinase is involved in glass fiber-induced tumor necrosis factor-alpha production in macrophagesJ Ye
National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA
J Biol Chem 276:5360-7. 2001..These results suggest that in addition to the NF-kappaB pathway for TNF-alpha production, glass fibers are able to activate c-Jun through MAP kinase pathways that lead to induction of TNF-alpha expression...
Genotoxicity of carbon nanofibers: are they potentially more or less dangerous than carbon nanotubes or asbestos?E R Kisin
Pathology and Physiology Research Branch, Health Effects Lab Division, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA
Toxicol Appl Pharmacol 252:1-10. 2011..Further investigations are warranted to elucidate the possible mechanisms involved in CNF-induced genotoxicity...
Cell apoptosis induced by carcinogenic metalsF Chen
Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA
Mol Cell Biochem 222:183-8. 2001..A possible contribution of reactive oxygen species to metal-induced cell death is also discussed...
Pulmonary reactions to organic dust exposures: development of an animal modelV Castranova
Division of Respiratory Disease Studies, National Institute for Occupational Safety and Health, Morgantown, West Virginia 26505 2888, USA
Environ Health Perspect 104:41-53. 1996..Information concerning the applicability of various animal models to humans and progress toward elucidation of causative agents and mechanisms of action is presented...
Necrosis of nasal and airway epithelium in rats inhaling vapors of artificial butter flavoringA F Hubbs
Health Effects Laboratory Division, National Institute for Occupational Safety and Health1, Centers for Disease Control and Prevention, 1095 Willowdale Road, Morgantown, West Virginia 26505, USA
Toxicol Appl Pharmacol 185:128-35. 2002..Control rats were unaffected. Therefore, concentrations of butter flavoring vapors that can occur during the manufacture of foods are associated with epithelial injury in the nasal passages and pulmonary airways of rats...
New insights into the role of nuclear factor-kappaB in cell growth regulationF Chen
Health Effects Laboratory Division, National Institute for Occupational Safety and Health, 1095 Willowdale Rd, Morgantown, WV 26505, USA
Am J Pathol 159:387-97. 2001..Elucidation of the relationships between NF-kappaB activation and cell growth will be important in developing new strategies for the treatment of various human diseases, such as chronic autoimmune disorder and cancer...
Measurement of the release of inflammatory mediators from rat alveolar macrophages and alveolar type II cells following lipopolysaccharide or silica exposure: a comparative studyR S Kanj
National Institute for Occupational Safety and Health, Health Effects Laboratory Division, Morgantown, West Virginia 26505, USA
J Toxicol Environ Health A 68:185-207. 2005..However, compared to LPS, silica exhibited equal or greater potency as an inducer of cellular oxidant generation, especially from primary TII cells...
Impairment of NF-kappaB activation and modulation of gene expression by calpastatinF Chen
Pathology and Physiology Research Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia 26505, USA
Am J Physiol Cell Physiol 279:C709-16. 2000....
Lung dosimetry and risk assessment of nanoparticles: evaluating and extending current models in rats and humansE D Kuempel
National Institute for Occupational Safety and Health, Cincinnati, Ohio 45226, USA
Inhal Toxicol 18:717-24. 2006..Such analyses would provide improved prediction of nanoparticle dose for risk assessment...
Characterization of asphalt fume composition under simulated road paving conditions by GC/MS and microflow LC/quadrupole time-of-flight MSJ Wang
National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, US Department of Health and Human Services, Morgantown, West Virginia 26505, USA
Anal Chem 73:3691-700. 2001..This method is suitable for support toxicity studies using simulated occupational exposure to asphalt fumes...
Regulation of a cell type-specific silencer in the human interleukin-3 gene promoter by the transcription factor YY1 and an AP2 sequence-recognizing factorJ Ye
Pathology and Physiology Research Branch, Health Effect Laboratory Division, NIOSH, National Institutes of Health, Morgantown, West Virginia 26505, USA
J Biol Chem 274:26661-7. 1999..These data indicate that a cell type-specific silencer activity might be determined by a unique profile of ubiquitous transcription factors...
Alteration of pulmonary cytochrome p-450 system: effects of asphalt fume condensate exposureJ Y C Ma
Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia 26505 2888, USA
J Toxicol Environ Health A 65:1247-60. 2002..Alteration of cytochrome P-450 metabolism of PACs may contribute to the AFC-induced genotoxic effects demonstrated as MN formation...
Cr (VI) induces cell growth arrest through hydrogen peroxide-mediated reactionsZ Zhang
Department of Basic Pharmaceutical Sciences, West Virginia University, Morgantown, USA
Mol Cell Biochem 222:77-83. 2001....
Antioxidant balance and free radical generation in vitamin e-deficient mice after dermal exposure to cumene hydroperoxideA A Shvedova
National Institute for Occupational Safety and Health, Morgantown, West Virginia 26505, USA
Chem Res Toxicol 15:1451-9. 2002..PBN adducts detected by ESR in vitamin E-deficient mice provide direct evidence for in vivo free radical generation in the skin after exposure to cumene hydroperoxide...
Pulmonary inflammation and crystalline silica in respirable coal mine dust: dose-responseE D Kuempel
National Institute for Occupational Safety and Health NIOSH, Education and Information Division, Risk Evaluation Branch, Cincinnati, OH 45226 1998, USA
J Biosci 28:61-9. 2003..4). This study demonstrates dose-response relationships between respirable crystalline silica in coal mine dust and pulmonary inflammation, antioxidant production, and radiographic small opacities...
Finding NEMO by K63-linked polyubiquitin chainF Chen
The Health Effect Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA
Cell Death Differ 13:1835-8. 2006
Nitric oxide inhibits HIV tat-induced NF-kappaB activationF Chen
Pathology and Physiology Research Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, West Virginia University, Morgantown, USA
Am J Pathol 155:275-84. 1999..Rather, several Sp-1 sites adjoining the putative NF-kappaB binding site in the promoter region of NOS-3 gene are required for the induction of NOS-3 gene expression by Tat...
Carcinogenic metals and NF-kappaB activationF Chen
Health Effects Laboratory Division, National Institute for Occupational State and Health, Morgantown, WV 26505, USA
Mol Cell Biochem 222:159-71. 2001....
New insights into the role of nuclear factor-kappaB, a ubiquitous transcription factor in the initiation of diseasesF Chen
Pathology and Physiology Research Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA lfd32cdc gov
Clin Chem 45:7-17. 1999..Therefore, development of modulatory strategies targeting this transcription factor may provide a novel therapeutic tool for the treatment or prevention of various diseases...
Involvement of Erks activation in cadmium-induced AP-1 transactivation in vitro and in vivoC Huang
Nelson Institute of Environmental Medicine, New York University School of Medicine, NY 10016, USA
Mol Cell Biochem 222:141-7. 2001..Considering the role of AP-1 activation in tumor promotion, the results presented in this study provide a possible molecular mechanism for cadmium-induced carcinogenesis...
Potential pulmonary effects of man-made organic fiber (MMOF) dustsD B Warheit
DuPont Haskell Lab
Crit Rev Toxicol 31:697-736. 2001..Thus, it is appropriate and timely to review the current data regarding MMOF workplace exposure and pulmonary health effects, including the database on epidemiological, exposure assessment, and toxicology studies...
Direct and indirect effects of single walled carbon nanotubes on RAW 264.7 macrophages: role of ironV E Kagan
Center for Free Radical and Antioxidant Health, University of Pittsburgh, Pittsburgh, PA 15219, United States
Toxicol Lett 165:88-100. 2006..Thus, the presence of iron in SWCNT may be important in determining redox-dependent responses of macrophages...
Mechanistically identified suitable biomarkers of exposure, effect, and susceptibility for silicosis and coal-worker's pneumoconiosis: a comprehensive reviewM Gulumian
Department of Toxicology and Biochemistry Research, National Institute for Occupational Health, Johannesburg, South Africa
J Toxicol Environ Health B Crit Rev 9:357-95. 2006..Further studies are planned to test the validity and feasibility of these biomarkers to detect either high exposure to crystalline silica and early silicosis or susceptibility to silicosis in gold miners in South Africa...
Arsenic-induced NFkappaB transactivation through Erks- and JNKs-dependent pathways in mouse epidermal JB6 cellsC Huang
Nelson Institute of Environmental Medicine, New York University School of Medicine, NY 10016, USA
Mol Cell Biochem 222:29-34. 2001..That Erks activation is required for arsenic-induced NFkappaB transactivation was further supported by the findings that arsenic-induced NFkappaB transactivation was impaired in JB6 30.7b cells, which were deficient in Erks...
Vanadium-induced nuclear factor of activated T cells activation through hydrogen peroxideC Huang
Nelson Institute of Environmental Medicine, New York University School of Medicine, New York, New York 10016, USA
J Biol Chem 276:22397-403. 2001....
Effect of Cr(VI) exposure on sperm quality: human and animal studiesH Li
Department of Occupational Health, College of Public Health, Henan Medical University, Zhengzhou, Henan 450052, People's Republic of China
Ann Occup Hyg 45:505-11. 2001..The diameters of seminiferous tubules in exposed rats were smaller. These results suggest that occupational exposure to chromium(VI) leads to alteration of semen status and may affect the reproductive success of exposed workers...
Pharmacological study of oyster mushroom (Pleurotus ostreatus) extract on isolated guinea pig trachea smooth muscleE N Schachter
Mount Sinai School of Medicine, One Gustave L Levy Place, New York, New York, 10029 6574, USA
Lung 183:63-71. 2005..This effect is not dependent on pre-sensitization of the guinea pigs...
