Hongbo Chai

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The cytotoxicity of novel acridine-based N-acyl-homoserine lactone (AHL) analogs was investigated on the human oral squamous carcinoma cell line SAS. One analog induced G2/M phase arrest at 5.3-10.6 µM and induced polyploidy at a higher dose (21.2 µM). Importantly, treatment of SAS cells with a combination of the AHL analog and the Jun N-terminal kinase(More)
Quorum sensing is defined as the ability of microorganisms to sense their population density via the release of signaling molecules composed of acyl-homoserine lactone (AHL), which is a type of autoinducer (AI). Previous structure-activity relationship (SAR) studies demonstrated that the 3-oxo group, homoserine lactone of L-form, and long acyl side chain(More)
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