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文献和实验Methods for Manipulation of Transferrin-Binding Proteins
To obtain iron, a necessary nutrient, meningococci and several other human and veterinary pathogens have iron-acquisition systems, which are expressed in vivo during infection. One target of iron-acquisition systems is transferrin (Tf
Production and Characterization of Recombinant Human and Murine TNF
takes about 2 wk. Human and murine TNF can be purified from crude extracts with high yields (>50 mg from 1 L of fermentation) by hydrophobic-interaction chromatography, ion-exchange chromatography, and gel-filtration chromatography. The purity
依赖关系；E2干预24~48小时促进MG-63细胞MT1-MMP蛋白质表达；激光共聚焦显微系统免疫荧光法证实E2促进MT1-MMP蛋白质表达增强，MT1-MMP蛋白质表达于细胞膜和细胞质中。E2对MG-63细胞MMP-2活性无影响。结论：E2可促进MG-63细胞MT1-MMP表达。雌激素不足可减少成骨样细胞MT1-MMP表达，此可能为绝经后OP的骨吸收增强机理之一。Abstract Part One Oberservation of the Differentiation of Human
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