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Melatonin,tunneling nanotubes,mesenchymal cells,and tissue regeneration

Neural Regeneration Research 2023年第4期18卷 760-762页

作者： Francesca Luchetti Silvia Carloni Maria G.Nasoni Russel J.Reiter walter balduini Department of Biomolecular Sciences University of Urbino Carlo BoUrbinoItaly Department of Cell Systems and Anatomy Long School of MedicineUT HealthSan AntonioTXUSA

Mesenchymal stem cells are multipotent stem cells that reside in many human tissues and *** stem cells are widely used in experimental and clinical regenerative medicine due to their capability to transdifferentiate into various ***,when transplanted,they lose part of their multipotency and immunomodulatory properties,and most of them die after injection into the damaged *** this review,we discuss the potential utility of melatonin in preserving mesenchymal stem cells’survival and function after *** is a pleiotropic molecule regulating critical cell functions including apoptosis,endoplasmic reticulum stress,and *** is also synthesized in the mitochondria where it reduces oxidative stress,the opening of the mitochondrial permeability transition pore and the downstream caspase activation,activates uncoupling proteins,and curtails the proinflammatory *** addition,recent findings showed that melatonin also promotes the formation of tunneling nanotubes and the transfer of mitochondria between cells through the connecting *** mitochondrial dysfunction is a primary cause of mesenchymal stem cells death and senescence and a critical issue for survival after transplantation,we propose that melatonin by favoring mitochondria functionality and their transfer through tunneling nanotubes from healthy to suffering cells could improve mesenchymal stem cellbased therapy in a large number of diseases for which basic and clinical trials are underway.

关键词： brain ischemia cell transplantation melatonin mesenchymal stem cell mitochondria mitochondrial transplantation regenerative therapy senescence tunneling nanotubes

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