Cell-signaling

Last time I told you about how the view of cancer switched from the perspective of metabolism to oncogenes. Today we'll see how recent developments have placed the spotlight back on metabolic pathways. I'll begin this tale with a quote from a review written by Andrew M Arshama and Thomas P Neufeld: The TOR (target of rapamycin) signaling pathway has been the subject of a 30-year-long reverse engineering project, beginning in the 1970s when the macrocyclic lactone antifungal compound rapamycin was purified from soil bacteria found on the Pacific island of Rapa Nui, famous for its moai (giant…