The « Cancer stem cell » Network (SUNRiSE, Solid Tumor Cancer Stem Cell Network) opens a new webinar series! It will restart with Lucie Laplane (CNRS, University Paris I Pantheon-Sorbonne, Gustave Roussy) that will address stemness with an original perspective and will be held on October 10th at 11.00am (CET)

« Stem cells play a critical role in the development, daily renewal, and reparation/regeneration of tissues. They are also involved in various diseases in particular cancers. Yet, there is a lot that remains to be understood about them and the traditional view is being increasingly debated. This is both a biological and a philosophical issue. Mixing both approaches, I will discuss the following questions: (1) What kind of property is stemness? I will show that stemness can be four types of properties depending on tissues and contexts (2) Does it matter? I will highlight practical consequences of each type of stemness for cancer treatment (3) Is stemness stable? I will review empirical data questioning stemness stability and suggesting that some cancers could be associated with a switch in stemness property. (4) Is stem cell a unified biological category? I will end with a perspective on how to handle the debate on stemness natural kind by mixing philosophy, experimental biology and phylogenetic analyses. »

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