Erythropoietin Pretreatment of Transplanted Endothelial Colony-Forming Cells Enhances Recovery in a Cerebral Ischemia Model by Increasing Their Homing Ability: A SPECT/CT Study

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Garrigue, Philippe | Hache, Guillaume | Bennis, Youssef | Brige, Pauline | Stalin, Jimmy | Pellegrini, Lionel | Velly, Lionel | Orlandi, Francesca | Castaldi, Elena | Dignat-George, Francoise | Sabatier, Florence | Guillet, Benjamin

Edité par CCSD ; Society of Nuclear Medicine -

International audience. Endothelial colony-forming cells (ECFCs) are promising candidates for cell therapy of ischemic diseases, as less than 10% of patients with an ischemic stroke are eligible for thrombolysis. We previously reported that erythropoietin priming of ECFCs increased their in vitro and in vivo angiogenic properties in mice with hindlimb ischemia. The present study used SPECT/CT to evaluate whether priming of ECFCs with erythropoietin could enhance their homing to the ischemic site after transient middle cerebral artery occlusion (MCAO) followed by reperfusion in rats and potentiate their protective or regenerative effect on blood-brain barrier (BBB) disruption, cerebral apoptosis, and cerebral blood flow (CBF).

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