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( Chin-chung Shu ),( Meng-kun Tsai ),( Shu-wei Lin ),( Chih-yuan Lee ),( Jann-yuan Wang ),( Chong-jen Yu ) 대한결핵 및 호흡기학회 2019 대한결핵 및 호흡기학회 추계학술대회 초록집 Vol.127 No.-
Background: The prevalence and incidence of latent tuberculosis infection (LTBI) in patients with kidney transplant remains unclear. Methods: In this prospective study, we enrolled kidney transplant candidates (KTCs) and recipients (KTRs) from 2014 to 2018. We defined LTBI as a positive result of QuantiFERON-TB Gold In-tube (QFT). We analyzed the predictors for LTBI acquisition and followed QFT test for 2 years among those initially without LTBI. Results: Of 425 patients enrolled, 305 (71.8%) patients belonged to the KTC group and 120 (28.2%) to the KTR group. The initial QFT showed positive results in 33 (10.8%) and 25 (20.8%) in the KTC and KTR groups, respectively (p=0.007). The QFT response value in LTBI patients was higher in the KTR group than in the KTC group (1.85 vs. 1.06 IU/ml, p=0.046). Multivariate logistic regression showed that old age, absence of Bacillus Calmette-Guerin scar, and KTR group were independent factors for positive LTBI. For participants with initial negative QFT, positive QFT conversion within 2-year follow-up was higher after kidney transplantation (20%) than in KTCs (5.5%) (p=0.032). Conclusion: This study is the first cohort to follow up LTBI status in patients with kidney transplant and shows its higher prevalence and incidence in those belong to KTR. It indicates that surveillance of LTBI after renal transplantation is important.
The assessment of host and bacterial proteins in sputum from active pulmonary tuberculosis
Hsin-Chih Lai,Yu-Tze Horng,Pen-Fang Yeh,Jann-Yuan Wang,Chin-Chung Shu,Chia-Chen Lu,Jang-Jih Lu,Jen-Jyh Lee,Po-Chi Soo 한국미생물학회 2016 The journal of microbiology Vol.54 No.11
Pulmonary tuberculosis (TB) is caused by Mycobacterium tuberculosis. The protein composition of sputum may reflect the immune status of the lung. This study aimed to evaluate the protein profiles in spontaneous sputum samples from patients with active pulmonary TB. Sputum samples were collected from patients with pulmonary TB and healthy controls. Western blotting was used to analyze the amount of interleukin 10 (IL-10), interferon-gamma (IFN-γ), IL-25, IL- 17, perforin-1, urease, albumin, transferrin, lactoferrin, adenosine deaminase (also known as adenosine aminohydrolase, or ADA), ADA-2, granzyme B, granulysin, and caspase- 1 in sputum. Results of detection of IL-10, IFN-γ, perforin- 1, urease, ADA2, and caspase-1, showed relatively high specificity in distinguishing patients with TB from healthy controls, although sensitivities varied from 13.3% to 66.1%. By defining a positive result as the detection of any two proteins in sputum samples, combined use of transferrin and urease as markers increased sensitivity to 73.2% and specificity to 71.1%. Furthermore, we observed that the concentration of transferrin was proportional to the number of acidfast bacilli detected in sputum specimens. Detection of sputum transferrin and urease was highly associated with pulmonary TB infection. In addition, a high concentration of transferrin detected in sputum might correlate with active TB infection. This data on sputum proteins in patients with TB may aid in the development of biomarkers to assess the severity of pulmonary TB.
( Meng Tzu Weng ),( Shu Chen Wei ),( Chun Che Lin ),( Yuk Min Tsang ),( Chia Tung Shun ),( Jann Yuan Wang ),( Ming Jium Shieh ),( Cheng Yi Wang ),( Jau Min Wong ) 대한장연구학회 2015 Intestinal Research Vol.13 No.1
Since Taiwan is an endemic area for tuberculosis (TB), differential diagnosis between the intestinal TB and Crohn`s disease is an important issue. The steering committee of Taiwan Society of Inflammatory Bowel Disease (TSIBD) has arranged a seminar accordingly on May 24th, 2014 and the different point of views by gastroenterologist, radiologist, pathologist and infectious dis-ease specialist were suggested to help the proper diagnosis and management of these two diseases. (Intest Res 2015;13:6-10)