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Reactive oxygen species (ROS) function as intracellular signaling molecules in a diverse range of biological processes. However, it is unclear how freely diffusible ROS dictate specific cellular responses. In this study, we demonstrate that nicotinamide adenine dinucleotide phosphate reduced oxidase 4 (Nox4), a major Nox isoform expressed in nonphagocytic(More)
BACKGROUND Hypoxia-inducible factor 1 alpha (HIF-1alpha) and vascular endothelial growth factor (VEGF) are frequently overexpressed in numerous types of cancers and are known to be important regulators of angiogenesis. Until now, few studies have been carried out to investigate the prognostic role of these factors in solid tumors, especially in colorectal(More)
BACKGROUND Cyclooxygenase-2 (COX-2) has recently been considered to promote lymphangiogenesis by up-regulating vascular endothelial growth factor-C (VEGF-C) in breast and lung cancer. However, the impact of COX-2 on lymphangiogenesis of gastric cancer remains unclear. This study aims to test the expression of COX-2 and VEGF-C in human gastric cancer, and to(More)
Cytokine-induced apoptosis inhibitor 1 (CIAPIN1), initially named anamorsin, a newly indentified antiapoptotic molecule is a downstream effector of the receptor tyrosine kinase-Ras signaling pathway. Current study has revealed that CIAPIN1 may have wide and important functions, especially due to its close correlations with malignant tumors. However whether(More)
Enterohemorrhagic Escherichia coli (EHEC) employs a type III secretion system (TTSS) to export the translocator and effector proteins required for mucosal colonization. As an important bacterial effector protein in locus of enterocyte effacement four, the EspF protein causes F-actin filament aggregations to form attaching and effacing (A/E) lesions, and(More)
Recent studies have shown that Ku80, a DNA repair protein, was involved in progression of malignant tumors. This study aimed to clarify the clinicopathological significance and prognostic value of Ku80 in pT2N0M0 esophageal squamous cell carcinoma (ESCC). We enrolled 217 patients with pT2N0M0 midthoracic ESCC who had undergone Ivor-Lewis esophagectomy. The(More)
Bacterial wilt (BW) disease is a widespread disease in peanut (Arachis hypogaea L.), reducing peanut production because of high susceptibility of most cultivated species. However, Arachis glabrata, a perennial wild relative, has high resistance to soil-borne diseases. MicroRNAs (miRNAs) have been characterized as important factors in plant growth,(More)
Human epidermal growth factor receptor (HER-2/neu) plays an important role in the progression of several types of cancer. Numerous studies examining the relationship between HER-2 overexpression and prognostic impact in patients with colorectal cancer have yielded inconclusive results. We therefore conducted a meta-analysis to provide a comprehensive(More)
Ku80, a subunit of the heterodymeric Ku protein, is clearly implicated in nonhomologous end joining DNA repair, chemoresistance and radioresistance in malignant tumors. In the present study, the clinicopathological significance of Ku80 in esophageal squamous cell carcinoma (ESCC) was investigated. The expression levels of Ku80 were determined by reverse(More)
Torreya grandis is a rare tree species of economic value. Its seeds are rich in lipids, although their use is limited by their high cost. Recent studies demonstrated that certain endophytic fungi can produce metabolites similar to those produced by the host plant. In the present study, endophytic fungal strains capable of producing lipids were isolated from(More)