Examples of chimerism in 18 mammalian species. In the majority of cases in the literature, species reject foreign

Examples of chimerism in 18 mammalian species. In the majority of cases in the literature, species reject foreign

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Chimerism is a widespread phenomenon across the tree of life. It is defined as a multicellular organism composed of cells from other genetically distinct entities. This ability to ‘tolerate’ non-self cells may be linked to susceptibility to diseases like cancer. Here we test whether chimerism is associated with cancers across obligately multicellul...