Dino Bee Aik Tan

Dino Bee Aik Tan
University of Western Australia | UWA · Institute of Respiratory Health (formerly LIWA)

PhD

About

53
Publications
4,266
Reads
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672
Citations
Additional affiliations
July 2007 - May 2011
University of Western Australia
Position
  • Research Assistant

Publications

Publications (53)
Article
Full-text available
Most HIV patients who experience Mycobacterium tuberculosis-associated immune restoration disease (TB IRD) display elevated interferon-gamma (IFNγ) responses against mycobacterial antigens, but these can occur without an IRD. Recognition of mycobacteria-associated molecular patterns through toll-like receptors (TLRs) on dendritic cells and monocyte...
Article
Rationale Idiopathic Pulmonary Fibrosis (IPF) is a progressive lung disease in which circulatory biomarkers has the potential for guiding management in clinical practice. Objectives We assessed the prognostic role of serum biomarkers in three independent IPF cohorts, the Australian IPF Registry (AIPFR), Trent Lung Fibrosis (TLF) and Prospective Ob...
Article
Full-text available
Chronic obstructive pulmonary disease (COPD) is an inflammatory airways disease with limited therapeutic options. We have previously shown that mesenchymal stromal cell (MSC) infusions are well tolerated in patients with COPD and reduce circulatory biomarkers associated with systemic inflammation and oxidative stress. This study aimed to delineate...
Article
Full-text available
Background Idiopathic pulmonary fibrosis (IPF) is a chronic interstitial lung disease characterized by fibrosis and progressive loss of lung function. The pathophysiological pathways involved in IPF are not well understood. Abnormal lipid metabolism has been described in various other chronic lung diseases including asthma and chronic obstructive p...
Article
Chronic obstructive pulmonary disease (COPD) is characterised by airway inflammation and progressive airflow limitation, whereas idiopathic pulmonary fibrosis (IPF) is characterised by a restrictive pattern due to fibrosis and impaired gas exchange. We undertook metabolomic analysis of blood samples in IPF, COPD and healthy controls (HC) to determi...
Article
Peripheral blood is a valuable, non-invasive source of biomarkers which include circulating miRNAs. Using microfluidic array-based techniques, miRNAs can be successfully measured in small amounts of blood plasma (< 0.5 mL) using cDNA pre-amplification. However, the use of heparin-based anticoagulants for blood collection hinders the detection of ci...
Article
Chronic obstructive pulmonary disease (COPD) is characterised by a progressive pulmonary and systemic inflammation. Acute exacerbations of COPD (AECOPD) are associated with acute inflammation and infection, increase in the rates of morbidity and mortality. Previous proteomic studies have focussed on identifying proteins involved in COPD pathogenesi...
Article
Full-text available
Background and objective: Idiopathic pulmonary fibrosis (IPF) is a progressive fibrotic disease that has a poor 3-year median survival rate with unclear pathophysiology. Radiological features include bibasal, subpleural fibrosis and honeycombing while its pathology is characterized by fibroblastic foci and honeycombing. Proteomic analysis of circu...
Article
Flow cytometry provides robust, multi-parametric and quantitative information on single cells which also exhibits enormous potential as a tool for small particle characterisation. Small extracellular vesicle (sEV) detection by flow cytometry remains compromised due to the high prevalence of swarm detection, which is defined by the simultaneous illu...
Article
Full-text available
Otitis media (OM) remains a common paediatric disease, despite advances in vaccinology. Susceptibility to recurrent acute OM (rAOM) has been postulated to involve defective cell-mediated immune responses to common otopathogenic bacteria. We compared the composition of peripheral blood mononuclear cells (PBMC) from 20 children with a history of rAOM...
Data
Median PBMC IFNγ responses (pg/mL +/- range) assessed by age and otitis media status. (DOCX)
Article
To expand upon our previous observation that HIV-1 Gag-specific IgG antibodies were highest in HIV controllers not carrying HLA-B*57:01, we analysed these antibodies in a larger cohort of viremic controllers (VCs) or elite controllers (ECs) considering carriage of 'protective' HLA-B alleles. HIV-1 p24-specific IgG1 and IgG2 antibodies were higher o...
Article
Chronic obstructive pulmonary disease (COPD) is characterized by progressive pulmonary and systemic inflammation. Acute exacerbations of COPD (AECOPD) are associated with acute inflammation and infections and increase the rates of morbidity and mortality. Currently, neither the aetiology nor pathogenesis of AECOPD are entirely understood. Exosomes...
Chapter
Chronic lung disease is responsible for approximately 7% of all deaths worldwide and represents 4% of the global burden of disease. Mesenchymal stromal cells (MSCs) have anti&;#x02010;inflammatory properties that can reduce inflammatory pathways as well as possibly replacing damaged lung tissue. MSCs derived from different sources, including the pl...
Article
Objectives: We have previously demonstrated that HIV-1 p24-specific plasmacytoid dendritic cell (pDC)-reactive opsonophagocytic antibody (PROAb) responses associate with control of chronic HIV infection. Here, we examined whether HIV-1 p24-specific PROAbs associate with control of early HIV infection and their relationship with HIV-1 p24-specific...
Article
Full-text available
Chronic obstructive pulmonary disease (COPD) is characterized by chronic irreversible inflammation and progressive decline in lung function. While smoking and other environmental agents (e.g., air pollutants) are common causes of COPD, the major challenges in managing this condition are the persistent inflammation and functional deterioration which...
Article
Acute exacerbations of chronic obstructive pulmonary disease (AECOPD) are characterized by increased pulmonary and systemic inflammation and commonly caused by bacterial and/or viral infection. Little is known about the T-cell dysregulation in AECOPD that promotes these outcomes. CD39 is an ectonucleotidase able to hydrolyse adenosine triphosphate...
Article
Full-text available
Acute lung injury/acute respiratory distress syndrome (ALI/ARDS) is a major cause of global morbidity and mortality. Mesenchymal stem cells (MSC) have shown promise in treating inflammatory lung conditions. We hypothesised that human MSC (hMSC) can improve ALI/ARDS through their anti-inflammatory actions. We subjected pigs (n = 6) to intravenous ol...
Article
Dendritic cell (DC) numbers and functions can be affected by HIV and HCV disease, but the effects of antiretroviral therapy (ART) on DC and the implications of these changes are unclear. We examined circulating DC in samples from Indonesian patients beginning ART with advanced HIV disease and documented mild/moderate HCV hepatitis. Frequencies of m...
Article
Full-text available
Identifying the mechanisms of natural control of HIV-1 infection could lead to novel approaches to prevent or cure HIV infection. Several studies have associated natural control of HIV-1 infection with IgG Abs against HIV-1 Gag proteins (e.g., p24) and/or production of IgG2 Abs against HIV-1 proteins. These Abs likely exert their effect by activati...
Article
Cellular and Molecular Immunology aims to report the dynamic progress being made in China and abroad in immunological research, and welcomes high-quality Research Articles, Reviews and Brief Reports across a broad range of topics including, but not limited to, clinical immunology, comparative immunology, immunobiology, immunogenetics, immunological...
Article
Full-text available
Cellular and Molecular Immunology aims to report the dynamic progress being made in China and abroad in immunological research, and welcomes high-quality Research Articles, Reviews and Brief Reports across a broad range of topics including, but not limited to, clinical immunology, comparative immunology, immunobiology, immunogenetics, immunological...
Article
Myeloid-derived suppressor cells (MDSC) have been implicated in the regulation of chronic inflammation. Chronic obstructive pulmonary disease (COPD) involves persistent inflammation, but the role of MDSC has not been explored. Here, proportions of MDSC (CD14(-)HLA-DR(-)CD33(+)CD11b(+) cells) were quantified in peripheral blood mononuclear cells (PB...
Article
Full-text available
Lung disease due to non-tuberculous mycobacteria (NTM) is a poorly understood condition that is difficult to treat. Treatment remains problematic as few tools are available to help clinicians monitor disease progression or predict treatment outcome. In this study, plasma levels of several inflammatory molecules and the frequency of circulating T ce...
Article
Lung disease due to nontuberculous mycobacteria (NTM) is a poorly understood condition that is difficult to treat. Treatment remains problematic as few tools are available to help clinicians monitor disease progression or predict treatment outcome. In this study, plasma levels of several inflammatory molecules and the frequency of circulating T cel...
Article
Full-text available
Objectives: Natural killer (NK) cell function was investigated in Malaysian HIV patients beginning antiretroviral therapy (ART) with advanced immunodeficiency. Some patients experienced immune restoration disease (IRD) presenting as exacerbations of pre-existing infections. Whilst most IRD are attributed to interferon-gamma (IFNγ) produced by T-cel...
Article
We evaluated NK cell subsets and functions in previously immunodeficient HIV patients responding to ART. Cytokine receptor mRNA was quantitated in purified CD56+ cells. Data were correlated with CD4+ T-cell counts and IFNgamma responses to CMV. NK cell IFNgamma responses to K562 cells and proportions of CD56lo NK cells were correlated in patients (...
Article
Full-text available
Objectives: A proportion of HIV patients beginning antiretroviral therapy (ART) develop immune restoration disease (IRD). Immunological characteristics of IRD were investigated in a cohort of HIV patients beginning therapy in Kuala Lumpur, Malaysia. Methods: Peripheral blood mononuclear cells were collected at weeks 0, 6, 12, 24 and 48 of ART fr...
Article
This mini-review highlights the chemical and cytoprotective properties of various hydralazine analogues that block the induction of cell death by acrolein, a highly toxic contributor to "carbonyl stress" during a diverse range of human diseases. Recent work on the action of hydralazine against various carbonyl-mediated pathologies is also reviewed.
Article
The smoke-borne electrophile acrolein reacts extensively with proteins, forming carbonyl-retaining Michael adducts that may be attacked by adjacent protein nucleophiles to form cross-links. Because little information is available concerning the extent of intermolecular protein cross-linking during acrolein toxicity in cells, we used an antibody aga...
Article
To examine the relationships between blood CD4 natural regulatory T (Treg) cells, plasma HIV RNA level, CD4 T-cell count and immune activation in untreated HIV-infected patients and immunodeficient patients beginning antiretroviral therapy (ART), using a novel phenotype to define Treg cells (CD25CD127CD4). Data were compared with established Treg c...

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