Ke-ling Chen

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Currently, little is known regarding the role of peroxisome proliferator-activated receptor-β (PPAR β) in the vascular endothelial cells (VECs) of colorectal cancers (CRCs). The aim of this study was to investigate the relationship of PPAR β expression in the VECs of CRCs in terms of the prognosis and clinicopathological features of CRC patients. The(More)
BACKGROUND/AIMS To study the potential role of the 78kDa glucose regulated protein (GRP78) in the pathogenesis of acute pancreatitis (AP) in vitro. METHODOLOGY AR42J cells were stimulated by cerulein or cerulein plus lipoplysaccharide (LPS). The severity of pancreatic inflammation was evaluated by amylase, lipase, TNF-a, and IL-6. Apoptosis was determined(More)
Acute pancreatitis (AP) is a potentially lethal disease characterized by inflammation and parenchymal cell death; also, the severity of AP correlates directly with necrosis and inversely with apoptosis. However, mechanisms of regulating cell death in AP remain unclear. The endoplasmic reticulum (ER) chaperone protein GRP78 has anti-apoptotic properties, in(More)
Pancreatic duct epithelial cells (PDEC) are involved in most common pancreatic diseases. Primary cultivation of PDEC is a prerequisite for in vitro studies, in which in vivo situations can be simulated and molecular mechanisms investigated better than in cultured cell lines. However, some problems still exist regarding rat PDEC primary cultivation. In this(More)
OBJECTIVE To investigate the expression of microRNA(miR)-21 and miR-125 in colorectal cancer (CRC) and its relationship with clinicopathological features. METHODS Quantitative real-time PCR was applied to examine the expression of miR-21 and miR-125 in 100 primary CRC specimens which were diagnosed and operated in West China Hospital between 2006 and(More)
Acute pancreatitis is an inflammatory condition that may lead to multisystemic organ failure with considerable mortality. Recently, resolvin D1 (RvD1) as an endogenous anti-inflammatory lipid mediator has been confirmed to protect against many inflammatory diseases. This study was designed to investigate the effects of RvD1 in acute pancreatitis and(More)
The role of matrix metalloproteinase-7 (MMP-7) in the pathogenesis of colon cancer is not understood thoroughly. Previous studies from our group have shown that the expression levels of MMP-7 were highly elevated in colorectal cancer patient specimens and were correlated with Dukes Staging, histological differentiation grade and CEA level. The goal of this(More)
OBJECTIVE To examine the therapeutic effects of tocilizumab, an antibody against interleukin-6 receptor, on experimental severe acute pancreatitis and associated acute lung injury. The optimal dose of tocilizumab and the activation of interleukin-6 inflammatory signaling were also investigated. DESIGN Randomized experiment. SETTING Research laboratory(More)
The differential expression profiling of the fruit-specific genes between a blood orange (Citrus sinensis cv. Tarocco) and a blonde orange (Citrus sinensis cv. twenty-first century navel orange) was investigated by fruit transcriptome sequencing. The relative expression folds for Cs6g17570 and Cs5g31400 were significantly greater in the “Tarocco” fruits,(More)
OBJECTIVE To design and construct a lentiviral vector containing shRNA against rat glucose-regulated protein 78 gene (GRP78), and to establish rat pancreatic acinar cell line with stable knockdown of GRP78 expression. METHODS Constructed three plasmid expression vectors coding shRNA against GRP78, and converted them into lentiviral particles using three(More)