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Cellular preconditioning and mesenchymal stem cell ferroptosis

World Journal of Stem Cells 2024年第2期16卷 64-69页

作者： doaa hussein zineldeen Mazhar Mushtaq Khawaja Husnain Haider Basic Sciences Sulaiman AlRajhi UniversityAlbukairiyah 52736AlQaseemSaudi Arabia Department of Medical Biochemistry and Molecular Biology Faculty of MedicineTanta UniversityTanta 6632110Egypt

In this editorial,we comment on the article published in the recent issue of the World Journal of Stem *** focus on stem cell preconditioning to prevent ferroptosis by modulating the cystathionineγ-lyase/hydrogen sulfide(H_(2)S)pathway as a novel approach to treat vascular disorders,particularly pulmonary *** stem cells are gaining popularity in regenerative medicine due to their unique ability to survive by resisting the harsh,unfavorable microenvironment of the injured *** also secrete various paracrine factors against apoptosis,necrosis,and ferroptosis to enhance cell ***,a regulated form of cell death characterized by iron accumulation and oxidative stress,has been implicated in various pathologies encompassing dege-nerative disorders to *** lipid peroxidation cascade initiates and sustains ferroptosis,generating many reactive oxygen species that attack and damage multiple cellular *** these intertwined mechanisms provi-des significant insights into developing therapeutic modalities for ferroptosis-related *** editorial primarily discusses stem cell preconditioning in modulating ferroptosis,focusing on the cystathionase gamma/H_(2)S ferroptosis *** presents a significant challenge in mesenchymal stem cell(MSC)-based therapies;hence,the emerging role of H_(2)S/cystathionase gamma/H_(2) S signaling in abrogating ferroptosis provides a novel option for therapeutic *** research into understanding the precise mechanisms of H_(2)S-mediated cytoprotection against ferroptosis is warranted to enhance the thera-peutic potential of MSCs in clinical settings,particularly vascular disorders.

关键词： Cell survival Cell therapy Hydrogen sulfide Ferroptosis Preconditioning Stem cells Umbilical cord

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Mesenchymal stem cells’“garbage bags”at work:Treating radial nerve injury with mesenchymal stem cell-derived exosomes

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World Journal of Stem Cells 2024年第5期16卷 467-478页

作者： Mazhar Mushtaq doaa hussein zineldeen Muhammad Abdul Mateen Khawaja Husnain Haider Department of Basic Sciences Sulaiman AlRajhi UniversityAlbukairiyah 52736AlQaseemSaudi Arabia Medical Biochemistry and Molecular Biology Department Faculty of MedicineTanta UniversityTanta 6632110Egypt

Unlike central nervous system injuries,peripheral nerve injuries(PNIs)are often characterized by more or less successful axonal ***,structural and functional recovery is a senile process involving multifaceted cellular and molecular *** contemporary treatment options are limited,with surgical intervention as the gold-standard method;however,each treatment option has its associated limitations,especially when the injury is severe with a large *** advancements in cell-based therapy and cell-free therapy approaches using stem cell-derived soluble and insoluble components of the cell secretome are fast-emerging therapeutic approaches to treating acute and chronic *** recent pilot study is a leap forward in the field,which is expected to pave the way for more enormous,systematic,and well-designed clinical trials to assess the therapeutic efficacy of mesenchymal stem cell-derived exosomes as a bio-drug either alone or as part of a combinatorial approach,in an attempt synergize the best of novel treatment approaches to address the complexity of the neural repair and regeneration.

关键词： Exosome Mesenchymal stem cells Nerve injury Stem cells Secretome Regeneration

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