The cell-envelope protease PrtS was proved to be efficient in optimal bacterial growth and fast acidification in pure culture, while its positive effect on the performance of mixed-cultures in milk fermentation was not defined. The aim was to analyze effects of the PrtS on the symbiosis between strains during yoghurt production and cold storage. Two strains, KLDS3.
View Article and Find Full Text PDFStreptococcus thermophilus plays important roles in the dairy industry. Streptococcus thermophilus KLDS SM could produce a high amount of exopolysaccharides (EPS). To understand the possible link between the genotype and the phenotype regarding EPS, the complete genome of S.
View Article and Find Full Text PDFLactic acid bacteria play increasingly important roles in the food industry. KLDS 3.1003 strain was isolated from traditional yogurt in Inner Mongolia, China.
View Article and Find Full Text PDFEnterococcus durans KLDS6.0930 strain was originally isolated from traditional naturally fermented cream in Inner Mongolia of China. The complete genome sequence of E.
View Article and Find Full Text PDFVascular endothelial growth factor receptor 3 (VEGFR-3) is a receptor for the vascular endothelial growth factor C and D (VEGF-C and D) and plays a critical role in the development of embryonic vascular system and regulation of tumor lymphangiogenesis. In this report, we generated a novel panel of 17 monoclonal antibodies (mAbs) against human VEGFR-3 and determined their ability to inhibit the proliferation of human erythroleukemia (HEL) cells and angiogenesis of chick embryo chorioallantoic membrane (CAM). Among these mAbs, BDD073 was demonstrated to inhibit the interaction of soluble VEGFR-3 with VEGF-D and the proliferation of HEL cells.
View Article and Find Full Text PDFInflammatory breast cancer (IBC) patients show poor survival and a significant incidence of epidermal growth factor receptor-2 (ErbB2) overexpression. A distinct mechanism involving increased expression of X-linked inhibitor of apoptosis protein (XIAP) and survivin, key members of the inhibitor of apoptosis protein (IAP) family, was observed post-trastuzumab (an ErbB2 monoclonal antibody) treatment in an ErbB2-overexpressing, estrogen receptor negative, IBC cellular model, SUM190PT, isolated from a primary IBC tumor. In contrast, a decrease in the IAP expression was observed in the non-IBC, ErbB2-overexpressing SKBR3 cells in which trastuzumab treatment also decreased p-AKT and cell viability.
View Article and Find Full Text PDFZhongguo Shi Yan Xue Ye Xue Za Zhi
April 2007
Vascular endothelial growth factor-D (VEGF-D) and vascular endothelial growth factor receptor-2, -3 (VEGFR-2, -3) with their corresponding signaling pathway play significant roles in the development of the embryonic vascular system and pathological lymphangiogenesis. The study was aimed to express and purify the GST-VEGF-D fusion protein, and to explore the angiogenesis effect of VEGF-D. The total RNA was extracted from human fetal lung tissue, and the mature form of VEGF-D was expanded by polymerase chain reaction (PCR), then the plasmid pGEX-5X-1/VEGF-D was reconstructed and the GST-VEGF-D fusion protein expressed in transformed E.
View Article and Find Full Text PDFZhongguo Ying Yong Sheng Li Xue Za Zhi
August 2004
Aim: The process of vascular calcification involves various genetic alterations which may play a very important role in the vascular calcification. Vascular smooth muscle cells undoubtedly composed the main part of vascular cells, and are involved in vascular calcification. So bovine artery smooth muscle cell (BASMC) was used to investigate the gene changes during BASMC's calcification.
View Article and Find Full Text PDFObjective: To study the changes in activity of phosphatidylinositol 4 kinase (PI 4 kinase), phosphatidylinositol 4 phosphate 5 kinase (PIP 5 kinase) and protein kinase C (PKC) during myocardial ischemia and elucidate the relationship between phosphatidylinositol signal pathways and prolonged myocardial ischemia.
Methods: In vivo an ischemic rat model was used. Activity of PI 4 kinase, PIP 5 kinase and PKC were measured at different times in postischemic heart cells using isotope analysis.