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Single-molecule platform for drug discovery: methods and apparatuses for drug discovery, including discovery of anticancer and antiviral agents
Single-molecule platform for drug discovery: methods and apparatuses for drug discovery, including discovery of anticancer and antiviral agents
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机译：用于药物发现的单分子平台：药物发现的方法和装置，包括发现抗癌药和抗病毒药
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摘要
The present application discloses methods and apparatuses for single molecule drug screening, discovery and validation. These methods and apparatuses allow a user to detect rapidly, using observation of single molecules, whether and how a drug candidate interferes with a target enzyme involved in a particular disease pathway. The methods and apparatuses described herein utilize single molecule manipulation and detection technologies (e.g., optical or magnetic tweezers) to directly detect whether the characteristic dynamics, or “mechanical signature,” of the target enzyme-substrate interaction are substantially altered or modulated by a drug candidate. Furthermore, the methods and apparatuses are useful for analyzing the modulation of the mechanical signature in order to identify potential interference mechanisms of a drug candidate. In one aspect of the invention, the methods and apparatuses disclosed herein relate to monitoring the real-time dynamic mechanical signatures of individual polymerase molecules (e.g. DNA polymerases, RNA polymerases, and reverse transcriptases) along a polynucleotide substrate in the presence of drug candidates that either inhibit or otherwise modulate the polymerization process. Identification and analysis of such drug candidates is critical for anti-viral, anti-cancer, and antibiotic drug development.
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