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Binding and Activation of Human Plasminogen byMycobacterium tuberculosis

机译:结核分枝杆菌对人纤溶酶原的结合和激活

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The first evidence of the interaction of Mycobacterium tuberculosis with the plasminogen system is herein reported. By FACScan analysis and affinity blotting, lysine-dependent binding of plasminogen to M. tuberculosis was demonstrated. The binding molecules were 30-, 60-, and 66-kDa proteins present in cell wall and soluble protein extracts. The activation of plasminogen, which occurred only in presence of fibrin and was not inhibited by the host serpin, α2-antiplasmin, was also demonstrated.
机译:本文报道了结核分枝杆菌与纤溶酶原系统相互作用的第一个证据。通过FACScan分析和亲和印迹,证明了纤溶酶原与结核分枝杆菌的赖氨酸依赖性结合。结合分子是存在于细胞壁和可溶性蛋白质提取物中的30-,60-和66-kDa蛋白质。还证明了纤溶酶原的活化仅在纤维蛋白存在下发生,并且不受宿主丝氨酸蛋白酶抑制剂α2-抗纤溶酶的抑制。

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