Method for analyte detection using proximity probes
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United States of America Patent
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Sep 18, 2012
Grant Date -
Jan 28, 2010
app pub date -
Mar 20, 2007
filing date -
Mar 20, 2006
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Abstract
A method for detecting an analyte in a sample, comprising (a) contacting the sample with at least one set of at least first, second and third proximity probes, which probes each include an analyte-binding domain and a nucleic acid domain and can simultaneously bind to the analyte, the nucleic acid domain of the third proximity probe being a splint which is capable of hybridizing at least to the nucleic acid domains of the first and second proximity probes, wherein when all of the at least three proximity probes bind to the analyte, the nucleic acid domains of the first and second proximity probes are conjugatable by means of an interaction mediated by the hybridized splint of the third proximity probe; (b) conjugating the nucleic acids, of the first and second proximity probes; and (c) detecting the conjugation. Also provided is a kit for use in such a method.
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