國家衛生研究院 NHRI:Item 3990099045/13521
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    題名: Levels of 15-HETE and TXB(2) in exhaled breath condensates as markers for diagnosis of childhood asthma and its therapeutic outcome
    作者: Chen, LC;Tseng, HM;Kuo, ML;Chiu, CY;Liao, SL;Su, KW;Tsai, MH;Hua, MC;Lai, SH;Yao, TC;Yeh, KW;Wu, AH;Yu, HY;Huang, JL;Huang, SK
    貢獻者: National Institute of Environmental Health Sciences
    摘要: BACKGROUND: Dysregulation of eicosanoids is associated with asthma and a composite of oxylipins, including exhaled leukotriene B(4) (LTB(4) ), characterizes childhood asthma. While fractional exhaled nitric oxide (FeNO) has been used as the standard for monitoring steroid responsiveness, the potential utility of eicosanoids in monitoring the therapeutic outcomes remains unclear. We aimed to examine the levels of major eicosanoids representing different metabolic pathways in exhaled breath condensates (EBCs) of children with asthma during exacerbation and after treatment. METHODS: Levels of 6 exhaled eicosanoid species in asthmatic children and healthy subjects were evaluated using ELISA. RESULTS: In addition to those previously reported, including LTB(4) , the levels of exhaled 15-hydroxyeicosatetraenoic acid (15-HETE), but not thromboxane B(2) (TXB(2) ), showed significant difference between asthmatics (N=318) and healthy controls (N=97), particularly the severe group showed the lowest levels of exhaled 15-HETE. Receiver Operating Characteristic (ROC) curves analyses revealed similar distinguishing power for the levels of 15-HETE, FEV(1) (forced expiratory volume in the first second) and FeNO, while the 15-HETE/LTB(4) ratio was significantly lower in subjects with asthma as compared to that of healthy controls (p<0.0001). Analysis of asthmatics (N=75) during exacerbation and convalescence showed significant improvement in lung function (FEV(1) , p<0.001), but not FeNO, concomitant with significantly increased levels of 15-HETE (p<0.001) and reduced levels of TXB(2) (p<0.05) at convalescence, particularly for those who at the top 30% level during exacerbation. Further, decreased LTB(4) and lipoxin A(4) (LXA(4) ) at convalescence were noted only in those at the top 30 percentile during exacerbation. CONCLUSION: The exhaled 15-HETE was found to discriminate childhood asthma while decreased levels of exhaled TXB(2) and increased levels of 15-HETE were prominent at convalescence.
    日期: 2021-11
    關聯: Pediatric Allergy and Immunology. 2021 Nov;32(8):1673-1680.
    Link to: http://dx.doi.org/10.1111/pai.13587
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=0905-6157&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000674006500001
    Cited Times(Scopus): https://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85110071203
    顯示於類別:[黃嘯谷] 期刊論文

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