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Plasma prekallikrein activation and kallikrein production assay
Plasma prekallikrein activation and kallikrein production assay
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机译:血浆前激肽释放酶激活和激肽释放酶产生测定
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摘要
A activator for prekallikrein includes isolated, purified, or substantially purified heat shock protein 90, a phosphate ion, and mixtures thereof. The prekallikrein activator is part of an in vitro system for activating prekallikrein in the absence of FXIIa. The system includes the activator, high-molecular weight kininogen, and zinc ions. A method for activating prekallikrein to produce kallikrein in the absence of FXIIa includes mixing prekallikrein with the activator and a composition comprising high molecular weight kininogen and zinc ions. A method for evaluating the activity of a test drug for the production of kallikrein comprises activating prekallikrein and determining the kallikrein produced. The activity (promoting or inhibiting ability) of the tested drug against the production of kallikrein in the absence of FXIIa can be easily measured. The test drug may be an analgesic, anti-allergy, anti-inflammatory drug.
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