NewslettersMesenchymal Cell News Environmental Oxygen Affects Ex Vivo Growth and Proliferation of Mesenchymal Progenitors by Modulating Mitogen-Activated Protein Kinase and Mammalian Target of Rapamycin Signaling By Bob - September 20, 2022 0 The authors compared MSC cultures simultaneously grown under a conventional 19.95% O2 atmosphere or at 5% O2. [Cytotherapy] Abstract