P1563: INTRACELLULAR IRON OVERLOAD IMPAIRS HSC FUNCTION BY AFFECTING MITOCHONDRIAL FITNESS IN ΒETA-THALASSEMIA. (23rd June 2022) - Sighinolfi, S.; Aprile, A.; Cassina, L.; Panzeri, M.; Beretta, S.; Storto, M.; Boletta, A.; Merelli, I.; Ferrari, G.