摘要
Recently,Niculescu published an interesting paper^(1)con-cerning“deep homologies”between the formation of cancer stem cells by polyploidization and reproductive polyploidization of entamoeba.The life cycle of both sys-tems shares the same genetic machinery inherited from the Last Eukaryote Common Ancestor(LECA).This theory claims that cancer is nothing more than the expression of a pre-existing life cycle that was reactivated in“sick and weakened metazoan cell that cannot continue its multi-cellular life and finds itself in the same dead-end situation”.
