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In vitro Removal of Deoxynivalenol and T-2 Toxin by Lactic Acid Bacteria
Zhong-Yi Zou,Zhi-Fei He,Hong-Jun Li,Peng-Fei Han,Xiao Meng,Yu Zhang,Fang Zhou,Ke-Pei Ouyang,Xi-Yue Chen,Jun Tang 한국식품과학회 2012 Food Science and Biotechnology Vol.21 No.6
Five strains of lactic acid bacteria were tested for their ability to remove deoxynivalenol (DON) and T-2toxin from MRS broth. The ability of Lactobacillus plantarum strain 102 (LP102) was the strongest among 5strains after incubation at 37oC for 72 h. The mode of removal was physical binding, rather than biotransformation. The abilities were not significantly different between when removing single toxin and when removing mixed toxins by viable cells of LP102. DON and T-2 toxin released from LP102 viable cell-toxin complexes were 28.22±1.55 and 35.42±2.02% of total bound toxins respectively after 3times of wash with posphate buffered saline, respectively,those were 4.59±0.86 and 5.59±1.47% after incubation with simulated gastric fluid (SGF) at 37oC for 4 h, and 6.86±0.81 and 9.04±1.13% after incubation with simulated intestinal fluid (SIF) at 37oC for 4 h, respectively.
Overexpression and Clinicopathological Contribution of DcR3 in Bladder Urothelial Carcinoma Tissues
Jiang, Yi-Qiang,Zhong, Teng-Fei,Dang, Yi-Wu,Zou, Ling-Song,Yang, Liu,Yang, Xia,Chen, Gang Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.21
Background: To explore the expression of DcR3 protein and its clinicopathological significance in bladder urothelial carcinomas (BUC). Materials and Methods: Immunohistochemistry was performed to detect the expression of DcR3, caspase-3, Bcl-2, VEGF, Ki-67, PCNA and P53 in 166 BUC and 56 normal bladder tissues. Western blotting was used to detect the expression of DcR3 in the supernatants of cultured BUC cells. Results: Overexpression of DcR3 was found in BUC tissues and cell lines, with significant elevation as compared to normal bladder tissues (p<0.0001). Higher DcR3 expression was related to the status of invasion, lymph node metastasis and recurrence. Furthermore, DcR3 expression was negatively correlated with caspase-3 and positively associated with Bcl-2, VEGF, Ki-67 labeling index (LI), PCNA LI and P53 (all p<0.0001), respectively. Conclusions: DcR3 may play a crucial role as an oncogene in tumorigenesis, deterioration and progress of BUC via influencing related pathways of apoptosis, proliferation and angiogenesis. The detection of DcR3 protein in the formalinfixed and paraffin-embedded samples could assist to predict in prognosis of BUC patients.
Shotgun analysis on the peritrophic membrane of the silkworm Bombyx mori
( Xiao Wu Zhong ),( Li Ping Zhang ),( Yong Zou ),( Qi Ying Yi ),( Ping Zhao ),( Qing You Xia ),( Zhong Huai Xiang ) 생화학분자생물학회(구 한국생화학분자생물학회) 2012 BMB Reports Vol.45 No.11
The insect midgut epithelium is generally lined with a unique chitin and protein structure, the peritrophic membrane (PM), which facilitates food digestion and protects the gut epithelium. We used gel electrophoresis and mass spectrometry to identify the extracted proteins from the silkworm PM to obtain an in-depth understanding of the biological function of the silkworm PM components. A total of 305 proteins, with molecular weights ranging from 8.02 kDa to 788.52 kDa and the isoelectric points ranging from 3.39 to 12.91, were successfully identified. We also found several major classes of PM proteins, i.e. PM chitin-binding protein, invertebrate intestinal mucin, and chitin deacetylase. The protein profile provides a basis for further study of the physiological events in the PM of Bombyx mori.