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Published in: BMC Pulmonary Medicine 1/2017

Open Access 01-12-2017 | Research article

Pulmonary challenge with carbon nanoparticles induces a dose-dependent increase in circulating leukocytes in healthy males

Authors: Marieke Berger, Johannes D. de Boer, René Lutter, Michiel Makkee, Peter J. Sterk, Elles M. Kemper, Jaring S. van der Zee

Published in: BMC Pulmonary Medicine | Issue 1/2017

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Abstract

Background

Inhalation of particulate matter, as part of air pollution, is associated with increased morbidity and mortality. Nanoparticles (< 100 nm) are likely candidates for triggering inflammatory responses and activation of coagulation pathways because of their ability to enter lung cells and pass bronchial mucosa. We tested the hypothesis that bronchial segmental instillation of carbon nanoparticles causes inflammation and activation of coagulation pathways in healthy humans in vivo.

Methods

This was an investigator-initiated, randomized controlled, dose-escalation study in 26 healthy males. Participants received saline (control) in one lung segment and saline (placebo) or carbon nanoparticles 10 μg, 50 μg, or 100 μg in the contra-lateral lung. Six hours later, blood and bronchoalveolar lavage fluid (BALF) was collected for inflammation and coagulation parameters.

Results

There was a significant dose-dependent increase in blood neutrophils (p = 0.046) after challenge with carbon nanoparticles. The individual top-dose of 100 μg showed a significant (p = 0.05) increase in terms of percentage neutrophils in blood as compared to placebo.

Conclusions

This study shows a dose-dependent effect of bronchial segmental challenge with carbon nanoparticles on circulating neutrophils of healthy volunteers. This suggests that nanoparticles in the respiratory tract induce systemic inflammation.

Trial registration

Appendix
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Literature
1.
go back to reference Atkinson RW, Kang S, Anderson HR, Mills IC, Walton HA. Epidemiological time series studies of PM2.5 and daily mortality and hospital admissions: a systematic review and meta-analysis. Thorax. 2014 Jul;69(7):660–5.CrossRefPubMedPubMedCentral Atkinson RW, Kang S, Anderson HR, Mills IC, Walton HA. Epidemiological time series studies of PM2.5 and daily mortality and hospital admissions: a systematic review and meta-analysis. Thorax. 2014 Jul;69(7):660–5.CrossRefPubMedPubMedCentral
2.
go back to reference Lu F, Xu D, Cheng Y, Dong S, Guo C, Jiang X, et al. Systematic review and meta-analysis of the adverse health effects of ambient PM2.5 and PM10 pollution in the Chinese population. Environ Res. 2015 Jan;136:196–204.CrossRefPubMed Lu F, Xu D, Cheng Y, Dong S, Guo C, Jiang X, et al. Systematic review and meta-analysis of the adverse health effects of ambient PM2.5 and PM10 pollution in the Chinese population. Environ Res. 2015 Jan;136:196–204.CrossRefPubMed
3.
go back to reference Rom WN, Boushey H, Caplan A. Experimental human exposure to air pollutants is essential to understand adverse health effects. Am J Respir Cell Mol Biol. 2013 Nov;49(5):691–6.CrossRefPubMedPubMedCentral Rom WN, Boushey H, Caplan A. Experimental human exposure to air pollutants is essential to understand adverse health effects. Am J Respir Cell Mol Biol. 2013 Nov;49(5):691–6.CrossRefPubMedPubMedCentral
4.
go back to reference Kelly FJ, Fussell JC. Linking ambient particulate matter pollution effects with oxidative biology and immune responses. Ann N Y Acad Sci. 2015 Mar;1340:84–94.CrossRefPubMed Kelly FJ, Fussell JC. Linking ambient particulate matter pollution effects with oxidative biology and immune responses. Ann N Y Acad Sci. 2015 Mar;1340:84–94.CrossRefPubMed
5.
go back to reference Patel MM, Chillrud SN, Deepti KC, Ross JM, Kinney PL. Traffic-related air pollutants and exhaled markers of airway inflammation and oxidative stress in new York City adolescents. Environ Res. 2013 Feb;121:71–8.CrossRefPubMed Patel MM, Chillrud SN, Deepti KC, Ross JM, Kinney PL. Traffic-related air pollutants and exhaled markers of airway inflammation and oxidative stress in new York City adolescents. Environ Res. 2013 Feb;121:71–8.CrossRefPubMed
6.
go back to reference Kubesch NJ, de NA WD, Martinez D, Carrasco-Turigas G, Bouso L, et al. Respiratory and inflammatory responses to short-term exposure to traffic-related air pollution with and without moderate physical activity. Occup Environ Med. 2015 Apr;72(4):284–93.CrossRefPubMed Kubesch NJ, de NA WD, Martinez D, Carrasco-Turigas G, Bouso L, et al. Respiratory and inflammatory responses to short-term exposure to traffic-related air pollution with and without moderate physical activity. Occup Environ Med. 2015 Apr;72(4):284–93.CrossRefPubMed
7.
go back to reference Viehmann A, Hertel S, Fuks K, Eisele L, Moebus S, Mohlenkamp S, et al. Long-term residential exposure to urban air pollution, and repeated measures of systemic blood markers of inflammation and coagulation. Occup Environ Med. 2015 Sep;72(9):656–63.CrossRefPubMed Viehmann A, Hertel S, Fuks K, Eisele L, Moebus S, Mohlenkamp S, et al. Long-term residential exposure to urban air pollution, and repeated measures of systemic blood markers of inflammation and coagulation. Occup Environ Med. 2015 Sep;72(9):656–63.CrossRefPubMed
8.
go back to reference Franklin BA, Brook R, Arden PC III. Air pollution and cardiovascular disease. Curr Probl Cardiol. 2015 May;40(5):207–38.CrossRefPubMed Franklin BA, Brook R, Arden PC III. Air pollution and cardiovascular disease. Curr Probl Cardiol. 2015 May;40(5):207–38.CrossRefPubMed
9.
go back to reference Donaldson K, Brown D, Clouter A, Duffin R, MacNee W, Renwick L, et al. The pulmonary toxicology of ultrafine particles. J Aerosol Med. 2002;15(2):213–20.CrossRefPubMed Donaldson K, Brown D, Clouter A, Duffin R, MacNee W, Renwick L, et al. The pulmonary toxicology of ultrafine particles. J Aerosol Med. 2002;15(2):213–20.CrossRefPubMed
10.
go back to reference Schulz H, Harder V, Ibald-Mulli A, Khandoga A, Koenig W, Krombach F, et al. Cardiovascular effects of fine and ultrafine particles. J Aerosol Med. 2005;18(1):1–22.CrossRefPubMed Schulz H, Harder V, Ibald-Mulli A, Khandoga A, Koenig W, Krombach F, et al. Cardiovascular effects of fine and ultrafine particles. J Aerosol Med. 2005;18(1):1–22.CrossRefPubMed
11.
go back to reference Hussain S, Boland S, Baeza-Squiban A, Hamel R, Thomassen LC, Martens JA, et al. Oxidative stress and proinflammatory effects of carbon black and titanium dioxide nanoparticles: role of particle surface area and internalized amount. Toxicology. 2009 Jun 16;260(1–3):142–9.CrossRefPubMed Hussain S, Boland S, Baeza-Squiban A, Hamel R, Thomassen LC, Martens JA, et al. Oxidative stress and proinflammatory effects of carbon black and titanium dioxide nanoparticles: role of particle surface area and internalized amount. Toxicology. 2009 Jun 16;260(1–3):142–9.CrossRefPubMed
12.
go back to reference Daigle CC, Chalupa DC, Gibb FR, Morrow PE, Oberdorster G, Utell MJ, et al. Ultrafine particle deposition in humans during rest and exercise. Inhal Toxicol. 2003 May;15(6):539–52.CrossRefPubMed Daigle CC, Chalupa DC, Gibb FR, Morrow PE, Oberdorster G, Utell MJ, et al. Ultrafine particle deposition in humans during rest and exercise. Inhal Toxicol. 2003 May;15(6):539–52.CrossRefPubMed
13.
go back to reference Muller L, Riediker M, Wick P, Mohr M, Gehr P, Rothen-Rutishauser B. Oxidative stress and inflammation response after nanoparticle exposure: differences between human lung cell monocultures and an advanced three-dimensional model of the human epithelial airways. J R Soc Interface. 2010 Feb 6;7(Suppl 1):S27–40.CrossRefPubMed Muller L, Riediker M, Wick P, Mohr M, Gehr P, Rothen-Rutishauser B. Oxidative stress and inflammation response after nanoparticle exposure: differences between human lung cell monocultures and an advanced three-dimensional model of the human epithelial airways. J R Soc Interface. 2010 Feb 6;7(Suppl 1):S27–40.CrossRefPubMed
14.
go back to reference Rothen-Rutishauser B, Muhlfeld C, Blank F, Musso C, Gehr P. Translocation of particles and inflammatory responses after exposure to fine particles and nanoparticles in an epithelial airway model. Part Fibre Toxicol. 2007;4:9.CrossRefPubMedPubMedCentral Rothen-Rutishauser B, Muhlfeld C, Blank F, Musso C, Gehr P. Translocation of particles and inflammatory responses after exposure to fine particles and nanoparticles in an epithelial airway model. Part Fibre Toxicol. 2007;4:9.CrossRefPubMedPubMedCentral
15.
go back to reference Saber AT, Jacobsen NR, Jackson P, Poulsen SS, Kyjovska ZO, Halappanavar S, et al. Particle-induced pulmonary acute phase response may be the causal link between particle inhalation and cardiovascular disease. Wiley Interdiscip Rev Nanomed Nanobiotechnol. 2014;6(6):517–31. Saber AT, Jacobsen NR, Jackson P, Poulsen SS, Kyjovska ZO, Halappanavar S, et al. Particle-induced pulmonary acute phase response may be the causal link between particle inhalation and cardiovascular disease. Wiley Interdiscip Rev Nanomed Nanobiotechnol. 2014;6(6):517–31.
16.
go back to reference Moller W, Felten K, Sommerer K, Scheuch G, Meyer G, Meyer P, et al. Deposition, retention, and translocation of ultrafine particles from the central airways and lung periphery. Am J Respir Crit Care Med. 2008 Feb 15;177(4):426–32.CrossRefPubMed Moller W, Felten K, Sommerer K, Scheuch G, Meyer G, Meyer P, et al. Deposition, retention, and translocation of ultrafine particles from the central airways and lung periphery. Am J Respir Crit Care Med. 2008 Feb 15;177(4):426–32.CrossRefPubMed
17.
go back to reference Shah AP, Pietropaoli AP, Frasier LM, Speers DM, Chalupa DC, Delehanty JM, et al. Effect of inhaled carbon ultrafine particles on reactive hyperemia in healthy human subjects. Environ Health Perspect. 2008 Mar;116(3):375–80.CrossRefPubMed Shah AP, Pietropaoli AP, Frasier LM, Speers DM, Chalupa DC, Delehanty JM, et al. Effect of inhaled carbon ultrafine particles on reactive hyperemia in healthy human subjects. Environ Health Perspect. 2008 Mar;116(3):375–80.CrossRefPubMed
18.
go back to reference Horie M, Yoshiura Y, Izumi H, Oyabu T, Tomonaga T, Okada T, et al. Comparison of the Pulmonary Oxidative Stress Caused by Intratracheal Instillation and Inhalation of NiO Nanoparticles when Equivalent Amounts of NiO Are Retained in the Lung. Antioxidants (Basel). 2016;5(1). Horie M, Yoshiura Y, Izumi H, Oyabu T, Tomonaga T, Okada T, et al. Comparison of the Pulmonary Oxidative Stress Caused by Intratracheal Instillation and Inhalation of NiO Nanoparticles when Equivalent Amounts of NiO Are Retained in the Lung. Antioxidants (Basel). 2016;5(1).
19.
go back to reference Nemmar A, Yuvaraju P, Beegam S, Yasin J, Dhaheri RA, Fahim MA, et al. In vitro platelet aggregation and oxidative stress caused by amorphous silica nanoparticles. Int J Physiol Pathophysiol Pharmacol. 2015;7(1):27–33.PubMedPubMedCentral Nemmar A, Yuvaraju P, Beegam S, Yasin J, Dhaheri RA, Fahim MA, et al. In vitro platelet aggregation and oxidative stress caused by amorphous silica nanoparticles. Int J Physiol Pathophysiol Pharmacol. 2015;7(1):27–33.PubMedPubMedCentral
20.
go back to reference Hoogerwerf JJ, de Vos AF, Bresser P, Van der Zee JS, Pater JM, de BA, et al. Lung inflammation induced by lipoteichoic acid or lipopolysaccharide in humans. Am J Respir Crit Care Med. 2008 Jul 1;178(1):34–41.CrossRefPubMed Hoogerwerf JJ, de Vos AF, Bresser P, Van der Zee JS, Pater JM, de BA, et al. Lung inflammation induced by lipoteichoic acid or lipopolysaccharide in humans. Am J Respir Crit Care Med. 2008 Jul 1;178(1):34–41.CrossRefPubMed
21.
go back to reference Julius P, Lommatzsch M, Kuepper M, Bratke K, Faehndrich S, Luttmann W, et al. Safety of segmental allergen challenge in human allergic asthma. J Allergy Clin Immunol. 2008 Mar;121(3):712–7.CrossRefPubMed Julius P, Lommatzsch M, Kuepper M, Bratke K, Faehndrich S, Luttmann W, et al. Safety of segmental allergen challenge in human allergic asthma. J Allergy Clin Immunol. 2008 Mar;121(3):712–7.CrossRefPubMed
22.
go back to reference Miller MR, Hankinson J, Brusasco V, Burgos F, Casaburi R, Coates A, et al. Standardisation of spirometry. Eur Respir J. 2005 Aug;26(2):319–38.CrossRefPubMed Miller MR, Hankinson J, Brusasco V, Burgos F, Casaburi R, Coates A, et al. Standardisation of spirometry. Eur Respir J. 2005 Aug;26(2):319–38.CrossRefPubMed
23.
go back to reference EMA. Guideline on requirements for First-In-Man clinical trials for potential high-risk medicinal products. 23–7-2007. Ref Type: Online Source. EMA. Guideline on requirements for First-In-Man clinical trials for potential high-risk medicinal products. 23–7-2007. Ref Type: Online Source.
24.
go back to reference Strak M, Steenhof M, Godri KJ, Gosens I, Mudway IS, Cassee FR, et al. Variation in characteristics of ambient particulate matter at eight locations in the Netherlands- the RAPTES project. Atmos Environ. 2011;45:4442–53.CrossRef Strak M, Steenhof M, Godri KJ, Gosens I, Mudway IS, Cassee FR, et al. Variation in characteristics of ambient particulate matter at eight locations in the Netherlands- the RAPTES project. Atmos Environ. 2011;45:4442–53.CrossRef
25.
go back to reference Du Rand IA, Blaikley J, Booton R, Chaudhuri N, Gupta V, Khalid S, et al. British Thoracic Society guideline for diagnostic flexible bronchoscopy in adults: accredited by NICE. Thorax. 2013 Aug;68(Suppl 1):i1–i44.CrossRefPubMed Du Rand IA, Blaikley J, Booton R, Chaudhuri N, Gupta V, Khalid S, et al. British Thoracic Society guideline for diagnostic flexible bronchoscopy in adults: accredited by NICE. Thorax. 2013 Aug;68(Suppl 1):i1–i44.CrossRefPubMed
26.
go back to reference Berger M, Kooyman PJ, Makkee M, Van der Zee JS, Sterk PJ, van DJ, et al. How to achieve safe, high-quality clinical studies with non-medicinal investigational products? A practical guideline by using intra-bronchial carbon nanoparticles as case study. Respir Res. 2016;17(1):102.CrossRefPubMedPubMedCentral Berger M, Kooyman PJ, Makkee M, Van der Zee JS, Sterk PJ, van DJ, et al. How to achieve safe, high-quality clinical studies with non-medicinal investigational products? A practical guideline by using intra-bronchial carbon nanoparticles as case study. Respir Res. 2016;17(1):102.CrossRefPubMedPubMedCentral
27.
go back to reference Jacobs L, Nawrot TS, de GB MR, Degraeuwe B, Bernard A, et al. Subclinical responses in healthy cyclists briefly exposed to traffic-related air pollution: an intervention study. Environ Health. 2010;9:64.CrossRefPubMedPubMedCentral Jacobs L, Nawrot TS, de GB MR, Degraeuwe B, Bernard A, et al. Subclinical responses in healthy cyclists briefly exposed to traffic-related air pollution: an intervention study. Environ Health. 2010;9:64.CrossRefPubMedPubMedCentral
28.
go back to reference Frampton MW, Stewart JC, Oberdorster G, Morrow PE, Chalupa D, Pietropaoli AP, et al. Inhalation of ultrafine particles alters blood leukocyte expression of adhesion molecules in humans. Environ Health Perspect. 2006 Jan;114(1):51–8.CrossRefPubMed Frampton MW, Stewart JC, Oberdorster G, Morrow PE, Chalupa D, Pietropaoli AP, et al. Inhalation of ultrafine particles alters blood leukocyte expression of adhesion molecules in humans. Environ Health Perspect. 2006 Jan;114(1):51–8.CrossRefPubMed
29.
go back to reference Kager LM, de Boer JD, Bresser P, Van der Zee JS, Zeerleder S, Meijers JC, et al. Intrabronchial activated protein C enhances lipopolysaccharide-induced pulmonary responses. Eur Respir J. 2013 Jul;42(1):188–97.CrossRefPubMed Kager LM, de Boer JD, Bresser P, Van der Zee JS, Zeerleder S, Meijers JC, et al. Intrabronchial activated protein C enhances lipopolysaccharide-induced pulmonary responses. Eur Respir J. 2013 Jul;42(1):188–97.CrossRefPubMed
30.
go back to reference Creutzenberg O, Bellmann B, Korolewitz R, Koch W, Mangelsdorf I, Tillmann T, et al. Change in agglomeration status and toxicokinetic fate of various nanoparticles in vivo following lung exposure in rats. Inhal Toxicol. 2012 Oct;24(12):821–30.CrossRefPubMed Creutzenberg O, Bellmann B, Korolewitz R, Koch W, Mangelsdorf I, Tillmann T, et al. Change in agglomeration status and toxicokinetic fate of various nanoparticles in vivo following lung exposure in rats. Inhal Toxicol. 2012 Oct;24(12):821–30.CrossRefPubMed
31.
go back to reference Husain M, Kyjovska ZO, Bourdon-Lacombe J, Saber AT, Jensen KA, Jacobsen NR, et al. Carbon black nanoparticles induce biphasic gene expression changes associated with inflammatory responses in the lungs of C57BL/6 mice following a single intratracheal instillation. Toxicol Appl Pharmacol. 2015 Dec 15;289(3):573–88.CrossRefPubMed Husain M, Kyjovska ZO, Bourdon-Lacombe J, Saber AT, Jensen KA, Jacobsen NR, et al. Carbon black nanoparticles induce biphasic gene expression changes associated with inflammatory responses in the lungs of C57BL/6 mice following a single intratracheal instillation. Toxicol Appl Pharmacol. 2015 Dec 15;289(3):573–88.CrossRefPubMed
32.
go back to reference Gardner B, Ling F, Hopke PK, Frampton MW, Utell MJ, Zareba W, et al. Ambient fine particulate air pollution triggers ST-elevation myocardial infarction, but not non-ST elevation myocardial infarction: a case-crossover study. Part Fibre Toxicol. 2014;11:1.CrossRefPubMedPubMedCentral Gardner B, Ling F, Hopke PK, Frampton MW, Utell MJ, Zareba W, et al. Ambient fine particulate air pollution triggers ST-elevation myocardial infarction, but not non-ST elevation myocardial infarction: a case-crossover study. Part Fibre Toxicol. 2014;11:1.CrossRefPubMedPubMedCentral
33.
go back to reference Schreiber N, Strobele M, Kopf J, Hochscheid R, Kotte E, Weber P, et al. Lung alterations following single or multiple low-dose carbon black nanoparticle aspirations in mice. J Toxicol Environ Health A. 2013;76(24):1317–32.CrossRefPubMed Schreiber N, Strobele M, Kopf J, Hochscheid R, Kotte E, Weber P, et al. Lung alterations following single or multiple low-dose carbon black nanoparticle aspirations in mice. J Toxicol Environ Health A. 2013;76(24):1317–32.CrossRefPubMed
34.
go back to reference Durga M, Nathiya S, Rajasekar A, Devasena T. Effects of ultrafine petrol exhaust particles on cytotoxicity, oxidative stress generation, DNA damage and inflammation in human A549 lung cells and murine RAW 264.7 macrophages. Environ Toxicol Pharmacol. 2014 Sep;38(2):518–30.CrossRefPubMed Durga M, Nathiya S, Rajasekar A, Devasena T. Effects of ultrafine petrol exhaust particles on cytotoxicity, oxidative stress generation, DNA damage and inflammation in human A549 lung cells and murine RAW 264.7 macrophages. Environ Toxicol Pharmacol. 2014 Sep;38(2):518–30.CrossRefPubMed
35.
go back to reference Voorhis M, Knopp S, Julliard W, Fechner JH, Zhang X, Schauer JJ, et al. Exposure to atmospheric particulate matter enhances Th17 polarization through the aryl hydrocarbon receptor. PLoS One. 2013;8(12):e82545.CrossRefPubMedPubMedCentral Voorhis M, Knopp S, Julliard W, Fechner JH, Zhang X, Schauer JJ, et al. Exposure to atmospheric particulate matter enhances Th17 polarization through the aryl hydrocarbon receptor. PLoS One. 2013;8(12):e82545.CrossRefPubMedPubMedCentral
36.
go back to reference Langrish JP, Bosson J, Unosson J, Muala A, Newby DE, Mills NL, et al. Cardiovascular effects of particulate air pollution exposure: time course and underlying mechanisms. J Intern Med. 2012 Sep;272(3):224–39.CrossRefPubMed Langrish JP, Bosson J, Unosson J, Muala A, Newby DE, Mills NL, et al. Cardiovascular effects of particulate air pollution exposure: time course and underlying mechanisms. J Intern Med. 2012 Sep;272(3):224–39.CrossRefPubMed
37.
go back to reference Hatmi ZN, Saeid AK, Broumand MA, Khoshkar SN, Danesh ZF. Multiple inflammatory prognostic factors in acute coronary syndromes: a prospective inception cohort study. Acta Med Iran. 2010 Jan;48(1):51–7.PubMed Hatmi ZN, Saeid AK, Broumand MA, Khoshkar SN, Danesh ZF. Multiple inflammatory prognostic factors in acute coronary syndromes: a prospective inception cohort study. Acta Med Iran. 2010 Jan;48(1):51–7.PubMed
38.
go back to reference Sabatine MS, Morrow DA, Cannon CP, Murphy SA, Demopoulos LA, DiBattiste PM, et al. Relationship between baseline white blood cell count and degree of coronary artery disease and mortality in patients with acute coronary syndromes: a TACTICS-TIMI 18 (treat angina with Aggrastat and determine cost of therapy with an invasive or conservative strategy- thrombolysis in myocardial infarction 18 trial)substudy. J Am Coll Cardiol. 2002 Nov 20;40(10):1761–8.CrossRefPubMed Sabatine MS, Morrow DA, Cannon CP, Murphy SA, Demopoulos LA, DiBattiste PM, et al. Relationship between baseline white blood cell count and degree of coronary artery disease and mortality in patients with acute coronary syndromes: a TACTICS-TIMI 18 (treat angina with Aggrastat and determine cost of therapy with an invasive or conservative strategy- thrombolysis in myocardial infarction 18 trial)substudy. J Am Coll Cardiol. 2002 Nov 20;40(10):1761–8.CrossRefPubMed
39.
go back to reference Tanaka M, Aoki Y, Takano H, Fujitani Y, Hirano S, Nakamura R, et al. Effects of exposure to nanoparticle-rich or -depleted diesel exhaust on allergic pathophysiology in the murine lung. J Toxicol Sci. 2013 Feb;38(1):35–48.CrossRefPubMed Tanaka M, Aoki Y, Takano H, Fujitani Y, Hirano S, Nakamura R, et al. Effects of exposure to nanoparticle-rich or -depleted diesel exhaust on allergic pathophysiology in the murine lung. J Toxicol Sci. 2013 Feb;38(1):35–48.CrossRefPubMed
40.
go back to reference Geiser M, Stoeger T, Casaulta M, Chen S, Semmler-Behnke M, Bolle I, et al. Biokinetics of nanoparticles and susceptibility to particulate exposure in a murine model of cystic fibrosis. Part Fibre Toxicol. 2014;11:19.CrossRefPubMedPubMedCentral Geiser M, Stoeger T, Casaulta M, Chen S, Semmler-Behnke M, Bolle I, et al. Biokinetics of nanoparticles and susceptibility to particulate exposure in a murine model of cystic fibrosis. Part Fibre Toxicol. 2014;11:19.CrossRefPubMedPubMedCentral
41.
go back to reference Zhang R, Dai Y, Zhang X, Niu Y, Meng T, Li Y, et al. Reduced pulmonary function and increased pro-inflammatory cytokines in nanoscale carbon black-exposed workers. Part Fibre Toxicol. 2014;11:73.CrossRefPubMedPubMedCentral Zhang R, Dai Y, Zhang X, Niu Y, Meng T, Li Y, et al. Reduced pulmonary function and increased pro-inflammatory cytokines in nanoscale carbon black-exposed workers. Part Fibre Toxicol. 2014;11:73.CrossRefPubMedPubMedCentral
Metadata
Title
Pulmonary challenge with carbon nanoparticles induces a dose-dependent increase in circulating leukocytes in healthy males
Authors
Marieke Berger
Johannes D. de Boer
René Lutter
Michiel Makkee
Peter J. Sterk
Elles M. Kemper
Jaring S. van der Zee
Publication date
01-12-2017
Publisher
BioMed Central
Published in
BMC Pulmonary Medicine / Issue 1/2017
Electronic ISSN: 1471-2466
DOI
https://doi.org/10.1186/s12890-017-0463-x

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