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A new polyhydroxy sterol ester, (25S)-5alpha-cholestane-3beta,6alpha,7alpha,8,15alpha,16beta-hexahydroxyl-26-O-14'Z-eicosenoate (1), together with seven known steroid derivatives (2-8), were isolated from the EtOH extract of the whole body of China Sea starfish Asterina pectinifera. The structure of 1 was determined by using extensive spectra analysis (IR,(More)
Herpes simplex virus 1 (HSV-1) invades the nervous system and causes pathological changes. In this study, we defined the remodeling of F-actin and its possible mechanisms during HSV-1 infection of neuronal cells. HSV-1 infection enhanced the formation of F-actin-based structures in the early stage of infection, which was followed by a continuous decrease in(More)
Autophagy plays a crucial role in a wide array of physiological processes. To uncover the complex regulatory networks and mechanisms underlying basal autophagy, we performed a quantitative proteomics analysis of autophagy-deficient mouse embryonic fibroblast cells (MEFs) using iTRAQ labeling coupled with on-line 2D LC/MS/MS. We quantified a total of 1234(More)
Activation of K-ras and inactivation of p16 are the most frequently identified genetic alterations in human pancreatic epithelial adenocarcinoma (PDAC). Mouse models engineered with mutant K-ras and deleted p16 recapitulate key pathological features of PDAC. However, a human cell culture transformation model that recapitulates the human pancreatic molecular(More)
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