Publications by authors named "Wei-da Chen"

Atherosclerosis, a multifactorial vascular disease resulting from lipid metabolism disorders, features chronic inflammatory damage resulting from endothelial dysfunction, which usually affects multiple arteries. The carotid artery is a common site for clinical atherosclerosis evaluation. The aortic root is the standard site for quantifying atherosclerosis in mice.

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Using a series of DNA methylation analysis, pathogenesis was investigated to identify the specific DNA methylation markers for diagnosing atherosclerosis. Firstly, with the chip platform of Illumina Human Methylation 450 BeadChip, a total of 1,458 CpGs, covering 971 differential methylated genes were extracted with stringent filtering criteria. Secondly, hierarchical clustering as a heat map was used to check on the dependability of differential methylated genes.

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The distribution and content of fibronectin is closely related to the occurrence and development of tumors. Fibronectin is widely involved in cell migration, adhesion, proliferation, hemostasis, and tissue repair. Fibronectin type III domain containing 1, as a primary component of the structural domain of fibronectin, is closely related to the occurrence of some cancers.

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Cantharidin (CTD), a component of Mylabris (blister beetle), is a traditional Chinese medicine that exerts an anticancer effect in multiple types of cancer cells. The aim of the present study was to investigate whether CTD exhibited anti-metastatic and inhibitory cell proliferation effects against human non-small cell lung cancer (NSCLC) A549 cells, and the possible underlying mechanism by which this occurs. The results of the present study demonstrated that CTD arrested proliferation, suppressed invasion and migration and induced apoptosis in A549 cells .

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Objective: To evaluate the value of echocardiography in the diagnosis of noncompaction of the ventricular myocardium (NCVM) and to elucidate the echocardiographic characteristics of NCVM.

Methods: This study included 53 patients (28 boys and 25 girls), with an age for initial diagnosis of 15 days to 18 years, who were diagnosed with NCVM by echocardiography between May 2006 and May 2015. Transthoracic two-dimensional echocardiography and color Doppler were performed for qualitative diagnosis, and the end-diastolic non-compacted layer/compacted layer (N/C) ratio measured in the parasternal ventricular short-axis sectional view was selected as the criterion for quantitative diagnosis.

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Objective: To explore the endothelial function, carotid artery stiffness index and carotid intima-media thickness in children with a history of Kawasaki disease (KD).

Methods: A cohort of 204 children was studied, which comprised 51 patients with Kawasaki disease with coronary artery lesion (CAL group), 50 patients with Kawasaki disease with normal coronary arteries (normal coronary arteries group), and 103 healthy age matched children (control group). Their systemic blood pressure, fasting cholesterol concentrations, flow-mediated dilation (FMD) of the brachial artery, carotid artery stiffness index and carotid intima-media thickness (IMT) were compared.

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Background: Real-time three-dimensional echocardiography (RT-3DE) has made revolutionized improvements of cardiac imaging during the past few years. However, there is no standard examination method for RT-3DE so far. This study aimed to establish the diagnostic method of RT-3DE and evaluate its application in the diagnosis of complex congenital heart diseases (CHD).

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Canine parvovirus (CPV) is a non-enveloped virus with a single-stranded DNA genome and causes infectious enteritis in dog. In this study, 36 isolates of CPV infection were obtained in Taichung, Taiwan from 2003 to 2004. Using primers that can distinguish subtypes of CPV, we amplified part of viral VP2 gene by polymerase chain reaction (PCR) and the PCR product was sequenced; results demonstrated that two isolates could be classified as type 2a of CPV and the others were type 2b.

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