"deletion of..Mitofusin2 (MFN2), which serves as a tether for MAM, in human induced pluripotent stem (iPS) cells or the reduction of MAM in differentiated #myotubes caused by microgravity..increased susceptibility to #muscle #atrophy, as well as the activation of..Notch..The atrophic phenotype..in microgravity & the regenerative capacity of Mfn2-deficient muscle stem cells in dystrophic mice were both ameliorated by treatment with the gamma-secretase inhibitor DAPT"
