Activated protease indicator
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United States of America Patent
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Feb 25, 2014
Grant Date -
Nov 25, 2010
app pub date -
May 9, 2008
filing date -
May 9, 2007
priority date (Note) -
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Abstract
It is an object of the invention to provide novel approaches capable of detecting activated protease and also detecting protease activation on real time at a high sensitivity in a noninvasive manner. By the method for detecting activated protease of the invention, an indicator in a circular form comprising the C-half fragment of luciferase (Luc-C) and the N-half fragment of luciferase (Luc-N) linked together through a substrate peptide for a protease is introduced in an in vitro assay system or in cells. Upon digestion of the substrate peptide by the protease, Luc-N and Luc-C together reconstructs active luciferase, so that the activated protease can be detected by assaying the luminescence signal from the luciferase.
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