Search Results - "Theron, A. J."
-
1
Pro-inflammatory interactions of streptolysin O toxin with human neutrophils in vitro
Published in Journal of immunotoxicology (01-12-2024)“…The recent global resurgence of severe infections caused by the Group A streptococcus (GAS) pathogen, , has focused attention on this microbial pathogen, which…”
Get full text
Journal Article -
2
Cysteinyl Leukotriene Receptor-1 Antagonists as Modulators of Innate Immune Cell Function
Published in Journal of immunology research (01-01-2014)“…Cysteinyl leukotrienes (cysLTs) are produced predominantly by cells of the innate immune system, especially basophils, eosinophils, mast cells, and…”
Get full text
Journal Article -
3
Pneumolysin activates neutrophil extracellular trap formation
Published in Clinical and experimental immunology (01-06-2016)“…Summary The primary objective of the current study was to investigate the potential of the pneumococcal toxin, pneumolysin (Ply), to activate neutrophil…”
Get full text
Journal Article -
4
Interactive inhibitory effects of formoterol and montelukast on activated human neutrophils
Published in The European respiratory journal (01-12-2010)“…The research question addressed in the current study was: do formoterol (1 and 10 nM) and montelukast (2 μM) possess interactive inhibitory effects on…”
Get full text
Journal Article -
5
Characterization of the interactions of the pneumolysoid, Δ6 PLY, with human neutrophils in vitro
Published in Vaccine (08-11-2011)“…Highlights ► Δ6 PLY is a prototype pneumococcal vaccine candidate. ► Δ6 PLY fails to produce a pro-inflammatory response (unlike pneumolysin), underscores its…”
Get full text
Journal Article -
6
Representation of coal and coal derivatives in process modelling
Published in Journal of the Southern African Institute of Mining and Metallurgy (01-05-2015)“…This paper provides guidelines on performing mass and energy balance modeling involving coal and coal derivatives. Usually, the inputs to a pyrometallurgical…”
Get full text
Journal Article -
7
Itraconazole‐mediated inhibition of calcium entry into platelet‐activating factor‐stimulated human neutrophils is due to interference with production of leukotriene B4
Published in Clinical and experimental immunology (01-10-2007)“…Summary The primary objective of this study was to probe the involvement of leukotriene B4 (LTB4) in itraconazole (0·1–5 µM)‐mediated inhibition of Ca2+ uptake…”
Get full text
Journal Article -
8
Posaconazole attenuates leukotriene B4 release and uptake of calcium by chemoattractant-activated human neutrophils: a potential strategy to control neutrophil-mediated inflammation
Published in Journal of antimicrobial chemotherapy (01-11-2009)“…Objectives This study was designed to investigate the neutrophil-targeted anti-inflammatory potential of posaconazole (0.1–5 µM, equivalent to 0.7–3.9 mg/L) by…”
Get full text
Journal Article -
9
Attenuation of increase in circulating cortisol and enhancement of the acute phase protein response in vitamin C-supplemented ultramarathoners
Published in International journal of sports medicine (01-02-2001)“…Supplementary vitamin C (2 x 500 mg tablets daily) or a matched placebo was administered to 10 and 6 ultramarathon athletes respectively for 7 days prior to…”
Get more information
Journal Article -
10
Oxidative stress in pre-eclampsia
Published in Acta obstetricia et gynecologica Scandinavica (01-08-2001)“…The objective of this study was to test the hypothesis that maternal plasma, cord plasma and placental tissue lipid peroxidation products are increased and…”
Get more information
Journal Article -
11
Effect of rolipram and dibutyryl cyclic AMP on resequestration of cytosolic calcium in FMLP‐activated human neutrophils
Published in British journal of pharmacology (01-06-1998)“…We have investigated the effects of the selective phosphodiesterase (PDE) type 4 inhibitor, rolipram (0.01–1 μM) on cytosolic Ca2+ fluxes in FMLP‐activated…”
Get full text
Journal Article -
12
Accelerated calcium influx and hyperactivation of neutrophils in chronic granulomatous disease
Published in Clinical and experimental immunology (01-02-2001)“…The relationship between activation of NADPH‐oxidase, alterations in membrane potential and triggering of Ca2+ fluxes in human phagocytes has been investigated…”
Get full text
Journal Article -
13
Accelerated resequestration of cytosolic calcium and suppression of the pro‐inflammatory activities of human neutrophils by CGS 21680 in vitro
Published in British journal of pharmacology (01-06-2000)“…We have investigated the effects of the adenosine A2A receptor agonist CGS 21680 (0.01–1 μM) on reactive oxidant production by, and elastase release from…”
Get full text
Journal Article -
14
Influence of antimicrobial chemotherapy and smoking status on the plasma concentrations of vitamin C, vitamin E, β-carotene, acute phase reactants, iron and lipid peroxides in patients with pulmonary tuberculosis
Published in The international journal of tuberculosis and lung disease (01-07-1998)“…SETTING: Inflammation-related oxidative stress has been implicated in the pathogenesis of lung fibrosis and dysfunction in patients with pulmonary…”
Get full text
Journal Article -
15
Investigation of the anti-inflammatory and membrane-stabilizing potential of spiramycin in vitro
Published in Journal of antimicrobial chemotherapy (01-08-2000)“…The effects of the 16-member macrolide spiramycin (2.5–80 mg/L) and the 14-member agent clarithromycin on the production of superoxide by activated human…”
Get full text
Journal Article -
16
Practical approach to diagnosis and management of primary immunodeficiency diseases
Published in South African family practice (01-09-2018)“…The occurrence of primary immunodeficiency diseases (PIDs) is low compared to that of immune-mediated disorders of autoimmune or atopic origin. However,…”
Get full text
Journal Article -
17
Acute Phase Proteins and Stress Hormone Responses in Patients with Newly Diagnosed Active Pulmonary Tuberculosis
Published in Lung (01-02-2015)“…Introduction Despite the high burden of disease, there have been surprisingly few studies of the acute phase and plasma catecholamine/cortisol stress hormone…”
Get full text
Journal Article -
18
Vitamin E attenuates the injurious effects of bioactive phospholipids on human ciliated epithelium in vitro
Published in The European respiratory journal (01-07-2001)“…Bioactive phospholipids (PL), particularly lysophosphatidylcholine (LPC), are being increasingly implicated in the pathogenesis of various acute and chronic…”
Get full text
Journal Article -
19
Anti‐inflammatory, membrane‐stabilizing interactions of salmeterol with human neutrophils in vitro
Published in British journal of pharmacology (01-04-1996)“…1 We have investigated the effects of salmeterol (0.3–50 μ) on several pro‐inflammatory activities of human neutrophils in vitro. 2 Oxidant production by FMLP‐…”
Get full text
Journal Article -
20
Mycelial Sensitivity Assay of Postharvest Grey Mould from ‘Forelle’ Pears to Anilinopyrimidine Fungicide Pyrimethanil
Published in Acta horticulturae (01-01-2015)“…In South Africa, significant postharvest losses occur in the ‘Forelle’ pear cultivar due to secondary infections caused by grey mould pathogen Botrytis…”
Get full text
Journal Article