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- Dewi, Fatwa Sari Tetra, et al.
(author)
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An increase in risk factors for cardiovascular disease in Yogyakarta, Indonesia : a comparison of two cross-sectional surveys
- 2015
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In: Southeast Asian Journal of Tropical Medicine and Public Health. - : Southeast Asian Ministers of Education Organization. - 0125-1562. ; 46:4, s. 775-785
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Journal article (peer-reviewed)abstract
- This paper aims to describe changes in risk factors for cardiovascular disease (CVD) over a five year period in urban Indonesia. In 2004 (n=3,205) and 2009 (n=2,467) we conducted cross-sectional surveys of residents in Yogjakarta City, Indonesia evaluating risk factors for CVD. Smoking habits, fruit and vegetable intake, physical activity, blood pressure, weight, and height were recorded. The results of these 2 surveys conducted 5 years apart were then compared. The risk for having a CVD event was also calculated. Behavioral CVD risk factors were more common among men. The predicted risk of having a CVD event increased from 8.4% to 11.3% among men between 2004 and 2009. Effective measures need to be taken to change these behaviors among men in Yogyakarta, Indonesia.
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| 6. |
- Potup, Pachuen, et al.
(author)
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Blood stage plasmodium falciparum antigens induce immunoglobulin class switching in human enriched B cell culture
- 2009
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In: Southeast Asian Journal of Tropical Medicine and Public Health. - 0125-1562. ; 40:4, s. 651-664
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Journal article (peer-reviewed)abstract
- This study aimed to demonstrate class switch recombination (CSR) in heavy chain expressing immunoglobulin G (IgG) and IgE in human B cells after exposure to Plasmodium falciparum schizont lysate. Human B cells (CD20(+)CD27(-)) were Cultured with crude P, falciparum antigen (cPfAg) and anti-CD40. On Day 4 post-exposure, total RNA from B cells was prepared and the occurrence of CSR from IgM to IgG and/or IgE was investigated by reverse transcription-polymerase chain reaction. Molecular markers to detect active CSR included enzyme activation-induced cytidine deaminase mRNA, gamma and epsilon-germline transcripts (gamma, epsilon-GLT), circle transcript (CT) and mature transcript (gamma and epsilon-mRNA) expression. On Day 7 and Day 14 after exposure, levels of Igs in the culture supernatant were determined by enzyme-linked immunosorbent assay. Our findings showed that we could demonstrate cPfAg-stimulated B cells undergoing CSR by use of the expressed CSR markers and the increase in specific IgG and IgE indicating the potential of this approach in the study of CSR in P. falciparum-stimulated B cells.
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| 7. |
- Prachayasittikul, V, et al.
(author)
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Episome profiles and mobilizable beta-lactamase plasmid in Haemophilus ducreyi
- 2000
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In: The Southeast Asian journal of tropical medicine and public health. - 0125-1562. ; 31:1, s. 4-80
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Journal article (peer-reviewed)abstract
- Chancroid caused by Haemophilus ducreyi has been described as a significantly predisposing factor of HIV heterosexual transmission in an endemic region of both diseases. The fastidious, H. ducreyi has been reported world wide with various antimicrobial susceptibility patterns. A high tendency of drug resistances has generally been found among isolates derived in Thailand. In this study, the plasmids of H. ducreyi were isolated and analysed from 63 clinically derived organisms. Twenty-nine out of 63 isolates (46%) revealed the same plasmid profiles. Plasmid DNA was further cloned into Escherichia coli and transformants were selected. A 3.6 kb plasmid (pCb) carrying ampicillin resistance was subsequently identified. The pCb conferred resistance to various beta-lactam antibiotics including penicillin G, carbenicillin, piperacillin, cefazolin, cefoperazone, ampicillin-sulbactam, and amoxicillin-clavulanate but not to cefoxitin. Co-resistance to streptomycin, chloramphenicol and tetracycline was not detected. Beta-lactamase gene was located on the major pCb fragment of EcoRI and AatII cutting.
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- Tangteerawatana, Piyatida, et al.
(author)
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LOW MONOCYTE TO NEUTROPHIL RATIO IN PERIPHERAL BLOOD ASSOCIATED WITH DISEASE COMPLICATION IN PRIMARY PLASMODIUM FALCIPARUM INFECTION
- 2014
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In: Southeast Asian Journal of Tropical Medicine and Public Health. - 0125-1562. ; 45:3, s. 517-530
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Journal article (peer-reviewed)abstract
- Immunity to malaria can be acquired but only after repeat exposures to polymorphic Plasmodium. However, the development of clinical outcomes during P. falciparum infection is not clearly understood. This study elucidated whether monocytes, neutrophils and pro/anti-inflammatory cytokines were associated with clinical outcomes in single infection and prior repeated malaria infections. Two hundred and seventy-nine patients with complicated and uncomplicated malaria were investigated. Peripheral blood IFN-gamma, TNF-alpha and IL-10 levels were measured by ELISA, and monocytes and neutrophils by an automated cell counter. On admission, in patients with uncomplicated malaria prior repeated infections, absolute neutrophil counts were positively and monocyte to neutrophil ratio negatively correlated significantly with parasitemia (r = 0.358, p = 0.000; r = -0.356, p = 0.000, respectively), while those with single infection absolute monocyte counts and monocyte to neutrophil ratio were significantly correlated negatively with IFN-gamma (r = -0.381, p = 0.001; r = -0.393, p = 0.000, respectively), and positively with TNF-a levels (r = 0.310, p = 0.007; r = 0.227, p = 0.017, respectively). In sharp contrast, in complicated malaria with single infection extremely high IFN-gamma and IL-10 levels but significantly low percent monocyte counts and monocyte to neutrophil ratio were seen. After 7 days of treatment, absolute monocyte counts and monocyte to neutrophil ratio were significantly increased, while absolute neutrophil counts significantly decreased (p = 0.000, 0.000, and 0.001, respectively), similarly after 28 days of treatment (p = 0.008, 0.000 and 0.000, respectively). These results suggest different functions of monocytes, neutrophils and pro/anti-inflammatory cytokines in complicated and uncomplicated malaria with single P. falciparum infection or prior repeated infections in the context of disease severity. Low monocyte to neutrophil ratio may be regarded as a risk factor in developing complication in primary malaria infection.
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