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Chaiprasert A Yorsangsukkamol J Prammananan T Palittapongarnpim P Leechawengwong M Dhiraputra C 《Emerging infectious diseases》2006,12(5):772-774
To determine whether intact pks15/1 is unique to the W-Beijing family, we investigated 147 Mycobacterium tuberculosis strains with different IS6110 genotypes. Intact pks15/1 was found in 87.8% of cerebrospinal fluid and 84.9% of sputum isolates. It was found not only in W-Beijing strains (approximate, equals 97%) but also in other genotypes (38.5%-100%). 相似文献
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Charoonsri Chusak Mutthatinee Tangmongkhonsuk Jutaporn Sudjapokinon Sirichai Adisakwattana 《Nutrients》2022,14(4)
The COVID-19 pandemic caused the abrupt replacement of traditional face-to-face classes into online classes. Several studies showed that online teaching and learning produced adverse mental health for students. However, no research has been conducted so far analyzing the association between the duration of online and food consumption and lifestyle behaviors and quality of life in terms of mental health of undergraduate students. This study aimed to determine the association between the duration of online learning and food consumption behaviors, lifestyles, and quality of life in terms of mental health among Thai undergraduate students during COVID-19 restrictions. A cross-sectional online survey of 464 undergraduate students was conducted at Chulalongkorn University, Bangkok, Thailand, between March and May 2021. The majority of undergraduate students stated that they spent 3–6 h per day on online learning (76.1%) and used their digital devices such as computers, tablets, or smartphones more than 6 h per day (76.9%). In addition, they had 75.4% of skipping breakfast (≥3 times/week) and 63.8% of sleep duration (6–8 h/day). A higher proportion of students who drank tea or coffee with milk and sugar while online learning was observed. The results found that the increased duration of online learning was significantly associated with skipping breakfast and the frequency of sugary beverage consumption. On the other hand, the increased computer, tablet, and smartphone usage for online learning was correlated with lower sleep duration and a poor quality of life in terms of mental health. The findings from this study contribute to a report of the association between online learning and food consumption and lifestyle behaviors and quality of life of undergraduate students, emphasizing the necessity for intervention strategies to promote healthy behaviors. 相似文献
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T Prammananan W Cheunoy D Taechamahapun J Yorsangsukkamol S Phunpruch P Phdarat M Leechawengwong A Chaiprasert 《Clinical microbiology and infection》2008,14(5):446-453
Since rifampicin resistance is a surrogate marker for multidrug-resistant Mycobacterium tuberculosis (MDRTB), the present study aimed to investigate rpoB mutations conferring rifampicin resistance in M. tuberculosis strains from Thailand, and to develop a rapid, inexpensive and simple PCR-based method for rapid detection of MDRTB. Overall, 267 M. tuberculosis isolates, including 143 MDRTB isolates, were investigated. Isolates of the Beijing strain predominated among the MDRTB isolates (79.1%), but accounted for only 45.5% of the susceptible isolates. Mutations in the rpoB gene were found most commonly at codons 531, 526 and 516 (58%, 25.2% and 9.1%, respectively). A multiplex allele-specific PCR was developed and tested with 216 clinical isolates. In comparison with the proportion method, the method showed 94.2% sensitivity and 100% specificity, and had a 100% positive predictive value and a 95% negative predictive value, which suggested that this method could be useful for screening for MDRTB, particularly in resource-limited countries. 相似文献
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Jutaporn Yorsangsukkamol Angkana Chaiprasert Therdsak Prammananan Prasit Palittapongarnpim Sunsern Limsoontarakul Naraporn Prayoonwiwat 《Tuberculosis (Edinburgh, Scotland)》2009,89(4):304-309
The first retrospective molecular characterization of Mycobacterium tuberculosis from cerebrospinal fluid of 158 tuberculous meningitis (TBM) in Thailand, collected between 1995 and 2005, was performed by Southern-blot hybridization with an IS6110 probe and spoligotyping on 152 and 147 isolates, respectively. Antituberculous drug susceptibility testing was performed in 149 patients, 118 of whom (79.2%) contained pan-sensitive strains and eight (5.4%) harbored multidrug-resistant M. tuberculosis. IS6110 RFLP typing revealed 110 RFLP patterns with 57.9% of patients infected with the Beijing genotype. This percentage was significantly higher than that in a previous report from pulmonary tuberculosis patients. Fifteen of 18 TBM patients (83%) aged <15 years were infected with Beijing isolates (OR = 4.47, p = 0.018). There were 40 spoligotypes, with 118 patients (80.3%) being clustered. The biggest cluster, which consisted of 84 patients, was the Beijing spoligotype (57.1%). There were 16 novel spoligotypes from 16 patients compared to the Fourth International Spoligotyping Database, SpolDB4. Sixty-four percent of the patients were male, and the mean age of patients was 33.8 years. Beijing isolates from 2001 to 2005 were found in higher percentages than those from 1995 to 2000, but this difference was not significant (p = 0.28). 相似文献
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