摘要:Numerous endogenous signals (such as hormones and growth factors) or environmental signals (including chemicals or temperature) contribute to determining the overall biological response produced by cells. Some combinations of endogenous or environmental signals produce synergistic activity. This commentary examines the different types of interactions between signals that contribute to synergy at the biological level. Full text Full text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (1.1M), or click on a page image below to browse page by page. Links to PubMed are also available for Selected References . 1020 1021 1022 1023