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RISS 인기검색어
- 검색키워드
- 저자 : ( Yinglong Li ) (검색결과 3 건)
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Zhang Yinglong,Li Bo,Wu Guangliang 한국응용생명화학회 2022 Applied Biological Chemistry (Appl Biol Chem) Vol.65 No.6
In this study, D-galactose was used to establish a model of liver dysfunction caused by oxidative stress in mice, and the effect of dandelion on improving the exercise capacity of mice with liver dysfunction was observed and its mechanism was expounded. This study examined the role and mechanism of dandelion in improving running ability, swimming endurance, blood biochemical indices, histopathological changes, and tissue mRNA expression changes. The animal results showed that dandelion extended the running and swimming time to exhaustion in liver dysfunctional mice, reduced the serum levels of blood urea nitrogen (BUN), blood lactic acid (BLA) and malondialdehyde (MDA) in the liver, and increased hepatic glycogen (HG) and muscle glycogen (MG) levels as well as uperoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) activities. Histopathological observations suggested that dandelion alleviated lesions in the liver. The quantitative polymerase chain reaction (qPCR) analysis results showed that dandelion downregulated inducible nitric oxide synthase (iNOS) and tumor necrosis factor-alpha (TNF-α) mRNA expression and neuronal nitric oxide synthase (nNOS), copper/zinc-superoxide dismutase (Cu/Zn-SOD), manganese-superoxide dismutase (Mn-SOD), and catalase (CAT) expression in the liver and skeletal muscle of the liver-dysfunctional mice. In contrast, dandelion downregulated syncytin-1 mRNA expression in skeletal muscle of mice with a dysregulated liver. The positional analysis showed that the main components of dandelion were gallic acid, protocatechuic acid, chlorogenic acid, caffeic acid, p-coumaric acid, rutin, myricitrin, isoquercitrin, isochlorogenic acid A, and luteolin.
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ox-LDL regulates proliferation and apoptosis in VSMCs by controlling the miR-183-5p/FOXO1
Fan Mingqiang,Huang Yinglong,Li Kunsheng,Yang Xiangxiang,Bai Jing,Si Qiaoke,Peng Zhengfei,Jia Chunwen,Zhang Qiangnu,Tao Ding 한국유전학회 2022 Genes & Genomics Vol.44 No.6
Background: microRNA-mRNA axes that are involved in oxidized low-density lipoprotein (ox-LDL)-induced vascular smooth muscle cells (VSMCs) proliferation/apoptosis imbalance need to be further investigated. Objective: To investigate the functional role of miR-183-5p/FOXO1 in VSMCs and its interaction with ox-LDL. Methods: RNA sequencing was used to detect transcriptome changes of VSMCs treated with ox-LDL. miR-183-5p and FOXO1 expression levels in VSMCs after ox-LDL treatment were assessed using qRT-PCR and western blotting. The regulatory effect of miR-183-5p on FOXO1 has been tried to prove using a dual-luciferase reporter assay. The functions of miR-183-5p, and FOXO1 were analyzed by CCK-8 assay and flow cytometry assay. The tissue samples or serum samples of high fat-feeding mice and carotid atherosclerosis patients were collected, and the levels of miR-183-5p/FOXO1 were analyzed. Results: RNA sequencing data showed 81 miRNAs including miR-183-5p was significantly changed after ox-LDL treatment in VSMCs. FOXO1, a miR-183-5p's potential target, was also down-regulated in ox-LDL treated cells. qRT-PCR and western blot found that expression of FOXO1 mRNA and protein significantly reduced in VSMCs treated with ox-LDL, accompanied by overexpression of miR-183-5p. miR-183-5p inhibited FOXO1 mRNA by binding to its 3' UTR. Interference miR-183-5p/FOXO1 could change proliferation/apoptosis imbalance in VSMCs under ox-LDL stimulation. Higher levels of miR-183-5p but reduced FOXO1 can be found in the thoracic aorta tissues of high fat-feeding mice. In serum samples from individuals with carotid atherosclerosis, Higher levels of miR-183-5p were observed. the miR-183-5p level was positively related to the level of serum ox-LDL in patients. Conclusions: Aberrant expression of miR-183-5p/FOXO1 pathway mediated ox-LDL-induced proliferation/apoptosis imbalance in VSMCs. The miR-183-5p/FOXO1 axis can potentially be utilized as the target in the treatment of patients with atherosclerosis.
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DroidVecDeep: Android Malware Detection Based on Word2Vec and Deep Belief Network
( Tieming Chen ),( Qingyu Mao ),( Mingqi Lv ),( Hongbing Cheng ),( Yinglong Li ) 한국인터넷정보학회 2019 KSII Transactions on Internet and Information Syst Vol.13 No.4
With the proliferation of the Android malicious applications, malware becomes more capable of hiding or confusing its malicious intent through the use of code obfuscation, which has significantly weaken the effectiveness of the conventional defense mechanisms. Therefore, in order to effectively detect unknown malicious applications on the Android platform, we propose DroidVecDeep, an Android malware detection method using deep learning technique. First, we extract various features and rank them using Mean Decrease Impurity. Second, we transform the features into compact vectors based on word2vec. Finally, we train the classifier based on deep learning model. A comprehensive experimental study on a real sample collection was performed to compare various malware detection approaches. Experimental results demonstrate that the proposed method outperforms other Android malware detection techniques.
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