12 results

Carbon black nanoparticles induce type II epithelial cells to release chemotaxins for alveolar macrophages.

Journal Article
Barlow, P. G., Clouter-Baker, A., Donaldson, K., MacCallum, J., & Stone, V. (2005)
Carbon black nanoparticles induce type II epithelial cells to release chemotaxins for alveolar macrophages. Particle and fibre toxicology, 2(1), 11-24. https://doi.org/10.1186/1743-8977-2-11
Background - Alveolar macrophages are a key cell in dealing with particles deposited in the lungs and in determining the subsequent response to that particle exposure. Nanopar...

Carbon Nanoparticles Inhibit the Antimicrobial Activities of the Human Cathelicidin LL-37 through Structural Alteration

Journal Article
Findlay, F., Pohl, J., Svoboda, P., Shakamuri, P., McLean, K., Inglis, N. F., …Barlow, P. G. (2017)
Carbon Nanoparticles Inhibit the Antimicrobial Activities of the Human Cathelicidin LL-37 through Structural Alteration. Journal of Immunology, 199(7), 2483-2490. https://doi.org/10.4049/jimmunol.1700706
Host defense peptides, also known as antimicrobial peptides, are key elements of innate host defense. One host defense peptide with well-characterized antimicrobial activity i...

Zinc oxide nanoparticles and monocytes: Impact of size, charge and solubility on activation status

Journal Article
Prach, M., Stone, V., & Proudfoot, L. (2012)
Zinc oxide nanoparticles and monocytes: Impact of size, charge and solubility on activation status. Toxicology and Applied Pharmacology, 266(1), 19-26. https://doi.org/10.1016/j.taap.2012.10.020
Zinc oxide (ZnO) particle induced cytotoxicity was dependent on size, charge and solubility, factors which at sublethal concentrations may influence the activation of the huma...

Silver nanoparticles promote the emergence of heterogeneic human neutrophil sub-populations

Journal Article
Kemp, S., Young, L., Ross, M., Prach, M., Hutchison, G. R., Malone, E., & Fraser, J. A. (2018)
Silver nanoparticles promote the emergence of heterogeneic human neutrophil sub-populations. Scientific Reports, 8(1), https://doi.org/10.1038/s41598-018-25854-2
Neutrophil surveillance is central to nanoparticle clearance. Silver nanoparticles (AgNP) have numerous uses, however conflicting evidence exists as to their impact on neutrop...

Serum exposed to nanoparticle carbon black displays increased potential to induce macrophage migration

Journal Article
Barlow, P., Donaldson, K., MacCallum, J., Clouter, A., & Stone, V. (2005)
Serum exposed to nanoparticle carbon black displays increased potential to induce macrophage migration. Toxicology Letters, 155(3), 397-401. https://doi.org/10.1016/j.toxlet.2004.11.006
Objective: To assess whether fine and ultrafine particles (nanoparticles) have the capacity to activate factors in serum that would induce macrophage migration. This is a mode...

Nanoparticle and metal interactions and their impact on lung toxicology

Conference Proceeding
Wilson, M. R., Barlow, P. G., Hutchison, G. R., Guy, K., Griffiths, A., Simpson, R. J., …Stone, V. (2004)
Nanoparticle and metal interactions and their impact on lung toxicology. In Proceedings of the Ninth Annual UK Review Meeting on Outdoor and Indoor Air Pollution Research, 48-50. ISBN 1 899110 88 7
No abstract available.

Nanoparticle interactions with zinc and iron: Implications for toxicology and inflammation

Journal Article
Wilson, M. R., Foucaud, L., Barlow, P. G., Hutchison, G. R., Sales, J., Simpson, R. J., & Stone, V. (2007)
Nanoparticle interactions with zinc and iron: Implications for toxicology and inflammation. Toxicology and Applied Pharmacology, 225(1), 80-89. https://doi.org/10.1016/j.taap.2007.07.012
Particulate air pollution (PM10) consists of a mixture of components, including nanoparticles and metals. Studies from our laboratory have demonstrated that transition metals ...

Imaging of activated complement using ultrasmall superparamagnetic iron oxide particles (USPIO) - conjugated vectors: an in vivo in utero non-invasive method to predict placental insufficiency and abnormal fetal brain development.

Journal Article
Girardi, G., Fraser, J. A., Lennen, R., Vontell, R., Jansen, M., & Hutchison, G. (2015)
Imaging of activated complement using ultrasmall superparamagnetic iron oxide particles (USPIO) - conjugated vectors: an in vivo in utero non-invasive method to predict placental insufficiency and abnormal fetal brain development. Molecular Psychiatry, 20, 1017-1026. https://doi.org/10.1038/mp.2014.110
In the current study, we have developed a magnetic resonance imaging-based method for non-invasive detection of complement activation in placenta and foetal brain in vivo in u...

A critical review of the biological mechanisms underlying the in vivo and in vitro toxicity of carbon nanotubes: The contribution of physico-chemical characteristics

Journal Article
Johnston, H. J., Hutchison, G. R., Christensen, F. M., Peters, S., Hankin, S., Aschberger, K., & Stone, V. (2010)
A critical review of the biological mechanisms underlying the in vivo and in vitro toxicity of carbon nanotubes: The contribution of physico-chemical characteristics. Nanotoxicology, 4(2), 207-246. https://doi.org/10.3109/17435390903569639
This critical review of the available human health safety data, relating to carbon nanotubes (CNTs), was conducted in order to assess the risks associated with CNT exposure. D...

A review of the in vivo and in vitro toxicity of silver and gold particulates: Particle attributes and biological mechanisms responsible for the observed toxicity

Journal Article
Johnston, H. J., Hutchison, G., Christensen, F. M., Peters, S., Hankin, S., & Stone, V. (2010)
A review of the in vivo and in vitro toxicity of silver and gold particulates: Particle attributes and biological mechanisms responsible for the observed toxicity. Critical Reviews in Toxicology, 40(4), 328-346. https://doi.org/10.3109/10408440903453074
This review is concerned with evaluating the toxicity associated with human exposure to silver and gold nanoparticles (NPs), due to the relative abundance of toxicity data ava...