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...
Cathelicidins display conserved direct antiviral activity towards rhinovirus.
Journal Article
Sousa, F. H., Casanova, V., Findlay, F., Stevens, C., Svoboda, P., Pohl, J., …Barlow, P. G. (2017)
Cathelicidins display conserved direct antiviral activity towards rhinovirus. Peptides, 95, 76-83. https://doi.org/10.1016/j.peptides.2017.07.013
Human rhinoviruses (HRVs) are the most common cause of viral respiratory tract infections, and are associated with significant morbidity and mortality in immunocompromised ind...
NO-loaded Zn2+-exchanged zeolite materials: A potential bifunctional anti-bacterial strategy
Journal Article
Fox, S., Wilkinson, T. S., Wheatley, P. S., Xiao, B., Morris, R. E., Sutherland, A., …Rossi, A. G. (2010)
NO-loaded Zn2+-exchanged zeolite materials: A potential bifunctional anti-bacterial strategy. Acta biomaterialia, 6(4), (1515-1521). doi:10.1016/j.actbio.2009.10.038. ISSN 1742-7061
Nitric oxide (NO) is important for the regulation of a number of diverse biological processes, including vascular tone, neurotransmission, inflammatory cell responsiveness, de...
Secondary necrosis of apoptotic neutrophils induced by the human cathelicidin LL-37 is not proinflammatory to phagocytosing macrophages
Journal Article
Li, H., Barlow, P. G., Bylund, J., Mackellar, A., Björstad, Å., Conlon, J., …Davidson, D. J. (2009)
Secondary necrosis of apoptotic neutrophils induced by the human cathelicidin LL-37 is not proinflammatory to phagocytosing macrophages. Journal of Leukocyte Biology, 86(4), 891-902. https://doi.org/10.1189/jlb.0209050
Cathelicidins are CHDP with essential roles in innate host defense but also more recently associated with the pathogenesis of certain chronic diseases. These peptides have mic...
Reduced alveolar macrophage migration induced by acute ambient particle (PM10) exposure
Journal Article
Barlow, P. G., Brown, D. M., Donaldson, K., MacCallum, J., & Stone, V. (2008)
Reduced alveolar macrophage migration induced by acute ambient particle (PM10) exposure. Cell Biology and Toxicology, 24(3), 243-252. https://doi.org/10.1007/s10565-007-9033-y
Increased levels of particulate air pollution (PM10) have been implicated as a causal agent in pulmonary disease exacerbation and increased deaths from respiratory and cardiov...
The human cationic host defense peptide LL-37 mediates contrasting effects on apoptotic pathways in different primary cells of the innate immune system
Journal Article
Barlow, P. G., Li, Y., Wilkinson, T. S., Bowdish, D. M. E., Lau, Y. E., Cosseau, C., …Davidson, D. J. (2006)
The human cationic host defense peptide LL-37 mediates contrasting effects on apoptotic pathways in different primary cells of the innate immune system. Journal of Leukocyte Biology, 80(3), 509-520. https://doi.org/10.1189/jlb.1005560
The human cathelicidin LL-37 is a cationic host defense peptide (antimicrobial peptide) expressed primarily by neutrophils and epithelial cells. This peptide, up-regulated und...
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...
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...