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1.
Artigo em Inglês | MEDLINE | ID: mdl-32180254

RESUMO

Ubiquitin C-terminal hydrolase-L3 (UCH-L3) is a deubiquitinase that has a crucial role in oncogenesis. This study was aimed to explore the biological function of UCH-L3 in non-small cell lung cancer (NSCLC). Bioinformatics analysis was used to detect UCH-L3 expression in NSCLC tissues and normal lung tissues, and to analyze the relationship between UCH-L3 expression and survival of patients. qRT-PCR and western blotting assays were used to detect UCH-L3 expression in NSCLC tumor tissues and adjacent normal tissues. CCK-8 assay was performed to examine the effect of UCH-L3 on NSCLC cell proliferation. Flow cytometry assay was conducted to examine the effect of UCH-L3 on NSCLC cell cycle and apoptosis. The expression of UCH-L3 in NSCLC tissues was markedly higher than in normal lung tissues, and high expression of UCH-L3 was positively associated with the poor survival of patients. UCH-L3 knockdown significantly inhibited the proliferation of NSCLC cells, whereas UCH-L3 overexpression had the opposite effect. Moreover, UCH-L3 promoted NSCLC cells proliferation via accelerating cell cycle and inhibiting cell apoptosis. UCH-L3 is upregulated in NSCLC and positively associated with the poor survival, and its expression contributes to NSCLC cell proliferation by accelerating cell cycle and inhibiting cell apoptosis.

2.
Arch Rheumatol ; 33(2): 190-197, 2018 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-30207560

RESUMO

Objectives: This study aims to detect serum carcinoembryonic antigen (CEA) and carbohydrate antigen 19-9 (CA 19-9) levels in connective tissue disease-associated interstitial lung disease (CTD-ILD) patients and to demonstrate their values in evaluating the severity and prognosis of CTD-ILD. Patients and methods: The study included 82 CTD-ILD patients (54 males, 28 females; mean age 67.9 years; range 29 to 91 years) and 82 controls (54 males, 28 females; mean age 68.1 years; range 30 to 92 years). Patients were followed-up for 12 months. Correlations of serum CEA and CA 19-9 with disease severity parameters (pulmonary function, oxygenation index and involvement score on high resolution computed tomography) were analyzed. Survival analysis was used to evaluate significance of serum CEA and CA 19-9 as prognosis predictors. Results: Serum CEA and CA 19-9 levels were higher in CTD-ILD patients compared with controls (both p<0.05) and correlated with disease severity (p<0.05 for all R2). High levels of serum CEA and CA 19-9 were associated with poor survival (both p<0.05). Serum CEA level was indicated as a prognostic factor for cumulative survival (hazard ratio=1.685, 95% confidence interval: 1.405-2.021, p=0.001). Conclusion: In CTD-ILD patients, serum CEA and CA 19-9 are elevated and can be indicators of disease severity. Moreover, serum CEA is a significant and independent predictor of survival.

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