What is cell-based bioassays?

Cell-based bioassays are analytical methods that utilize living cells to detect, quantify, or characterize the biological activity of a substance, such as a drug candidate, toxin, or environmental factor. These assays measure cellular responses like proliferation, cytotoxicity, gene expression, or signaling pathway activation. They are widely used in drug discovery, toxicology, and basic research to assess efficacy, safety, and mechanism of action.