WebProteins and Reagents—Active tPA (85% single-chain, 15% two-chain) and EI-tPA, which is mutated at two amino acids (S478A and R275E) and thus inactive and non-cleavable were purchased from Molecular Innovations (Novi, MI). The enzy-matic activity of both forms of tPA was determined by meas-uringtherateofhydrolysisofH-D-isoleucyl-L-prolyl-L ... WebApr 16, 2015 · Catalytically inactive tPA-S (481)A inhibited plasminogen activation by tPA and uPA, attenuated ICH, lowered plasma d-dimers, lessened thrombocytopenia, and improved neurologic outcome in WT, tPA (-/-), and uPA (-/-) mice. ICH expansion was also inhibited by tPA-S (481)A in WT mice anticoagulated with warfarin.
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WebMay 12, 2010 · The inactive mutant S481A tPA was used as a negative control (data not shown) and its densitometric value (since it is catalytically inactive) was subtracted from the values of all the other recombinant proteins, following which the binding for each mutant was normalized to that observed for the wild-type protein. Webcally inactive tPA into these mice before KA injection restores microglial activation (Rogove et al., 1999). These data indicate that contrary to its proteolytic role in neurotoxicity, tPA activates microglia via a nonproteolytic mechanism. In addition to its catalytic domain, tPA also contains a fibronectin type-3 finger fn auto 5 shotgun
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WebFeb 1, 2004 · TNK-tPA is a bioengineered variant of tPA that has a longer half-life than tPA, 19 an 80-fold greater resistance to PAI-1 than tPA, and a 14-fold greater relative fibrin specificity. 19,20 In vitro, TNK-tPA is 8- and 13-fold more potent than tPA toward whole blood and platelet-enriched clots, respectively. 19 In spite of these great advantages ... WebStatus: Description: Expired: Licensee may not practice public accounting in Texas until certain requirements are met. Issued: License is current. Issued, Restricted from Public … WebTissue plasminogen activator (tPA) has been shown to prevent steroid-induced reduction in aqueous humor outflow facility via an upregulation in matrix metalloproteinase (Mmp) … fnatyi