'Here, we show that p21 promoter-dependent expression of mTert prevents emphysema in aged mice, and this coincides with maintenance of microvascular density, decreased senescence of endothelial cells, and preservation of a pool of endothelial CD34+ cells endowed with proliferative capacities'

https://www.embopress.org/doi/full/10.1038/s44319-023-00041-1