期刊
EXPERIMENTAL AND THERAPEUTIC MEDICINE
卷 21, 期 6, 页码 -出版社
SPANDIDOS PUBL LTD
DOI: 10.3892/etm.2021.10002
关键词
tracheobronchial tuberculosis; fibrosis; biomarker; transforming growth factor-β 1; procollagen type I N-propeptide
资金
- National Major Science and Technology Projects of China [2018ZX10302302003]
This study focused on the clinical significance of serum TGF-beta 1 and PINP in post-tuberculosis tracheobronchial stenosis, showing that these markers may be potential tools for diagnosing and monitoring PTTS. The findings suggest that TGF-beta 1 and PINP levels are associated with airway stenosis characteristics and outcomes, with the potential to distinguish cases of stenosis from non-stenosis.
Non-invasive strategies for monitoring post-tuberculosis (TB) tracheobronchial stenosis (PTTS) are clinically important but currently lacking. Transforming growth factor-beta 1 (TGF-beta 1) and procollagen type I N-propeptide (PINP) have been identified as markers of fibrosis. The present study aimed to investigate the clinical significance of serum TGF-beta 1 and PINP in PTTS. Serum samples were collected from 119 patients with tracheobronchial TB after the condition was treated for at least 6 months (59 patients with airway stenosis and 60 patients with no stenosis). Serum TGF-beta 1 and PINP levels were measured using ELISA and compared between the groups. Relationships between serum TGF-beta 1 and PINP levels and clinical characteristics, interventional bronchoscopy and outcomes of airway stenosis were analysed. The correlation between TGF-beta 1 and PINP, and their diagnostic efficacy for airway stenosis were also analysed. The TGF-beta 1 and PINP levels in the airway stenosis group were higher than those in the non-stenosis group. Furthermore, airway stenosis with atelectasis or mucus plugging was associated with higher TGF-beta 1 levels, and airway stenosis with atelectasis, mucus plugging, right main bronchus stenosis or severe airway tracheal stenosis was associated with higher PINP levels. In addition, TGF-beta 1 and PINP levels increased after interventional bronchoscopy therapy and airway stenosis with recurrent stenosis was associated with higher baseline levels of both markers. Finally, TGF-beta 1 levels were positively correlated with PINP levels in patients with airway stenosis. The area under the receiver operating characteristic curve of TGF-beta 1 and PINP for distinguishing airway stenosis from non-stenosis cases was 0.824 (95% CI: 0.748-0.900) and 0.863 (95% CI: 0.796-0.930), respectively. Therefore, TGF-beta 1 and PINP are potential biomarkers that may be useful for diagnosing and monitoring PTTS.
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