Christine Yanicek | Jun 29, 2003 | 4 min read
Four Common Methods of Detecting Protein PhosphorylationClick for larger version (44K) Signal transduction pathways comprise the cell's communications system; they transmit cues--from hormones, growth factors, or cytokines, for instance--that tell the cell to proliferate, differentiate, activate (or deactivate) a gene, or even die. As with any critical communications network, problems can arise when the lines go down or the signals get crossed, and studies have linked perturbations in signal