Abstract:
BACKGROUND:Asthmatic symptoms usually can be controlled with corticosteroids, but partly asthmatic patients do not respond to corticosteroids, steroid resistance (SR) play a significant role in the poorly responding. However, no approach can accurately predict steroid responsiveness in asthma patients, so prediction of SR with noninvasive means has become a critical issue. OBJECTIVE:The aim of this study was to evaluate the difference in serum proteomes between steroid-sensitive asthma (SSA) and steroid-resistant asthma (SRA) patients and identify potential biomarkers for the prediction of SR in asthma patients. METHODS:We performed a proteomic approach of fluorescence-based difference gel electrophoresis (DIGE) and mass spectrometry to identify biomarkers in the serum obtained from SRA and SSA patients (n = 6 in each group). The interesting biomarker was further studied using western blot and enzyme-linked immunosorbent assays (ELISA). RESULTS:Seven differentially expressed proteins between SSA and SRA group were identified. Among them, vitamin D-binding protein (VDBP) attracted our further attention as the greatest changed protein. Serum VDBP was significantly up-regulated in SRA group compared with SSA group, and the differential expression was confirmed with western blot analysis. The ELISA data showed the serum level of VDBP was significantly higher in SRA group than that in SSA and control group (496.50 ± 204.62 vs. 279.73 ± 163.65, 241.93 ± 98.58 μg/ml, respectively, p < 0.01). Correlation analysis indicated serum VDBP was positively correlated with neutrophils% and monocytes% (p < 0.05), but inversely correlate with serum 25OHD (p < 0.05). Regression analysis showed increased serum VDBP was a risk predictor of SRA, and serum 25OHD was an independent influential factor of serum VDBP. Using the receiver operating characteristic curve, we determined the area under the curve (AUC) of VDBP was 0.792, and the optimal serum cutoff value of VDBP was 355.8 μg/ml, which can discriminate SRA from asthma patients with 65.2% sensitivity and 83.7% specificity. CONCLUSIONS:This study provides a novel overview of the difference in serum proteomes of SSA and SRA. We suppose serum VDBP may serve as a useful biomarker for predicting SR in asthma patients, and may participate in the pathogenesis of SRA.
journal_name
Respir Medjournal_title
Respiratory medicineauthors
Jiang H,Chi X,Zhang X,Wang Jdoi
10.1016/j.rmed.2016.03.011subject
Has Abstractpub_date
2016-05-01 00:00:00pages
111-6eissn
0954-6111issn
1532-3064pii
S0954-6111(16)30041-5journal_volume
114pub_type
杂志文章abstract::Hypoxemic patients with chronic obstructive pulmonary disease (COPD) are at risk of carbon dioxide (CO(2)) retention during oxygen therapy and hypercapnia in COPD is associated with an ominous prognosis. Rebreathing with oxygen mask is possible in practice and possibly affects CO(2) retention due to an increased inspi...
journal_title:Respiratory medicine
pub_type: 杂志文章
doi:10.1016/j.rmed.2008.08.015
更新日期:2008-12-01 00:00:00
abstract:BACKGROUND:Local and systemic inflammation is implicated in the pathophysiology of Obstructive Sleep Apnea (OSA). Exhaled breath condensate (EBC) is a non-invasive sampling method for the lower airways. However, it is important to consider the potential effect of the systemic origin whereas systemic inflammation is sig...
journal_title:Respiratory medicine
pub_type: 杂志文章
doi:10.1016/j.rmed.2008.04.021
更新日期:2008-10-01 00:00:00
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journal_title:Respiratory medicine
pub_type: 杂志文章
doi:10.1016/j.rmed.2007.12.020
更新日期:2008-05-01 00:00:00
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pub_type: 杂志文章
doi:10.1016/j.rmed.2014.12.017
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abstract::Continuous positive airway pressure (CPAP) is the treatment of choice for obstructive sleep apnoea syndrome (OSAS), but many patients find this treatment intolerable. The aim of this study was to characterize patients who were unable to tolerate CPAP treatment (non-complaint) as opposed to those who continued using CP...
journal_title:Respiratory medicine
pub_type: 杂志文章
doi:10.1053/rmed.1999.0703
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journal_title:Respiratory medicine
pub_type: 杂志文章
doi:10.1016/j.rmed.2010.12.004
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abstract::Despite the growing field of interest in the role of pulmonary oxidative stress in chronic obstructive pulmonary disease (COPD), barely any data are available with respect to antioxidant capacity in the peripheral musculature of these patients. The main objective of this study was to assess in detail the antioxidant s...
journal_title:Respiratory medicine
pub_type: 杂志文章
doi:10.1016/j.rmed.2004.05.018
更新日期:2005-01-01 00:00:00
abstract::The role of positive end-expiratory pressure (PEEP) in the postoperative course of cardiac surgery patients remains questionable. In this prospective study, we examined the effect of different levels of PEEP on arterial oxygenation, SvO2 and PvO2 values, and on haemodynamic indices, during the early postoperative peri...
journal_title:Respiratory medicine
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1016/s0954-6111(98)90388-2
更新日期:1998-06-01 00:00:00
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journal_title:Respiratory medicine
pub_type: 杂志文章
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journal_title:Respiratory medicine
pub_type: 杂志文章
doi:10.1053/rmed.2000.0923
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journal_title:Respiratory medicine
pub_type: 杂志文章
doi:10.1016/j.rmed.2014.05.017
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pub_type: 临床试验,杂志文章
doi:10.1053/rmed.2001.1286
更新日期:2002-05-01 00:00:00
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journal_title:Respiratory medicine
pub_type: 杂志文章
doi:10.1016/j.rmed.2009.05.022
更新日期:2009-12-01 00:00:00
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journal_title:Respiratory medicine
pub_type: 杂志文章,meta分析,评审
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更新日期:2005-02-01 00:00:00
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journal_title:Respiratory medicine
pub_type: 杂志文章
doi:10.1016/j.rmed.2019.08.009
更新日期:2019-09-01 00:00:00
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journal_title:Respiratory medicine
pub_type: 杂志文章
doi:10.1016/s0954-6111(97)90093-7
更新日期:1997-10-01 00:00:00
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journal_title:Respiratory medicine
pub_type: 杂志文章
doi:10.1016/j.rmed.2020.106291
更新日期:2020-12-30 00:00:00
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pub_type: 杂志文章
doi:10.1016/j.rmed.2006.02.016
更新日期:2006-11-01 00:00:00
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pub_type: 杂志文章
doi:10.1016/j.rmed.2017.06.004
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journal_title:Respiratory medicine
pub_type: 杂志文章,随机对照试验
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更新日期:2015-02-01 00:00:00
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doi:10.1016/j.rmed.2007.07.025
更新日期:2007-12-01 00:00:00
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pub_type: 杂志文章
doi:10.1016/j.rmed.2005.09.037
更新日期:2006-06-01 00:00:00
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journal_title:Respiratory medicine
pub_type: 杂志文章
doi:10.1016/0954-6111(95)90235-x
更新日期:1995-10-01 00:00:00
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journal_title:Respiratory medicine
pub_type: 杂志文章,meta分析,评审
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更新日期:2013-08-01 00:00:00
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journal_title:Respiratory medicine
pub_type: 杂志文章
doi:10.1016/j.rmed.2014.11.010
更新日期:2015-02-01 00:00:00
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journal_title:Respiratory medicine
pub_type: 杂志文章,多中心研究
doi:10.1016/j.rmed.2009.05.021
更新日期:2009-12-01 00:00:00
abstract::The ability of immunotherapy with heat-killed Mycobacterium vaccae (NCTC 11659), as an addition to the available chemotherapy, to improve the outcome in patients with multi-drug-resistant tubercle bacilli (MDRTB) who had not been cured by chemotherapy alone was evaluated in tuberculosis centres in Estonia, Iran, Kuwai...
journal_title:Respiratory medicine
pub_type: 临床试验,杂志文章,多中心研究
doi:10.1053/rmed.2001.1065
更新日期:2001-06-01 00:00:00
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journal_title:Respiratory medicine
pub_type: 杂志文章
doi:10.1016/j.rmed.2005.09.001
更新日期:2006-05-01 00:00:00
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journal_title:Respiratory medicine
pub_type: 杂志文章
doi:10.1016/j.rmed.2013.11.008
更新日期:2014-01-01 00:00:00
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journal_title:Respiratory medicine
pub_type: 临床试验,杂志文章
doi:10.1016/s0954-6111(97)90064-0
更新日期:1997-07-01 00:00:00