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Potential therapeutic applications of mesenchymal stem cells for the treatment of eye diseases

World Journal of Stem Cells 2021年第6期13卷 632-644页

作者： Giuliana Mannino Cristina Russo Anna Longo Carmelina Daniela Anfuso gabriella lupo Debora Lo Furno Rosario Giuffrida Giovanni Giurdanella Department of Biomedical and Biotechnological Sciences School of MedicineUniversity of CataniaCatania 95123Italy

Stem cell-based treatments have been extensively explored in the last few decades to develop therapeutic strategies aimed at providing effective alternatives for those human pathologies in which surgical or pharmacological therapies produce limited *** stem cells of different sources,mesenchymal stem cells(MSCs)offer several advantages,such as the absence of ethical concerns,easy harvesting,low immunogenicity and reduced tumorigenesis *** than a multipotent differentiation ability,MSCs can release extracellular vesicles conveying proteins,mRNA and *** to these properties,new therapeutic approaches have been designed for the treatment of various pathologies,including ocular *** this review,the use of different MSCs and different administration strategies are described for the treatment of diabetic retinopathy,glaucoma,and retinitis *** a large number of investigations,positive results have been obtained by in vitro experiments and by MSC administration in animal *** authors agree that beneficial effects are likely related to MSC paracrine *** on these considerations,many clinical trials have already been carried ***,although some adverse effects have been described,promising outcomes are *** can be assumed that in the near future,safer and more effective protocols will be developed for more numerous clinical applications to improve the quality of life of patients affected by eye diseases.

关键词： Mesenchymal stem cells Eye diseases Diabetic retinopathy Glaucoma Retinitis pigmentosa Regenerative medicine

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An Association of Vitamins A and E with Hyaluronic and Lactobionic Acids may Prevent Molecular Changes Associated with Keratocyte to Myofibroblast Transition

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Journal of Integrative Medicine（双语） 2021年第2期10卷 20-29页

作者： Martina Cristaldi gabriella lupo Melania Olivieri Giorgia Spampinato Carmelina D.Anfuso Dario Rusciano Research Center Sooft Italia SpA c/o Biologic TowerUniversity of Catania95123 CataniaItaly Department of Biomedical and Biotechnological Sciences Biologic TowerUniversity of Catania95123 CataniaItaly Maurizio Bufalini Hospital Onco-hematology serviceCesenaItaly

Inflammatory events in the corneal stroma may activate keratocytes and trigger their transition towards myofibroblasts,which now produce different extracellular matrix(ECM)proteins thus causing corneal *** haze is a frequent side effect after photorefractive keratectomy(PRK)to correct high ***,a preventive treatment with mitomycin-c can be used to limit the occurrence of this ***,mitomycin-c is a toxic drug,not devoid of side effects,which may occasionally involve the corneal ***,we have searched for a less risky,natural way,to prevent keratocytes *** this purpose,we have used as markers of the phenotype switch the proteins lumican(highly expressed by keratocytes and much less by myofibroblasts)and smooth muscle actin(αSMA)(highly expressed by myofibroblasts and poorly found in keratocytes),beside Fibronectin(Fn),the expression of which is also increased by transforming growth factor-beta(TGFβ)*** of human keratocytes with TGFβwas used to induce the protein *** different possible candidates,we have found that vitamins A and E,hyaluronic and lactobionic acids may prevent,either alone,or much better in association,the shift in the ratio between lumican andαSMA and the increased Fn *** conclusion,it could be speculated that topic treatment of the ocular surface with an association of these four compounds could be able to prevent or at least limit the occurrence of post-PRK corneal haze,with the additional advantage of lubrication,hydration and antioxidant defense exerted by these molecules.

关键词： Corneal haze Keratocytes Lumican Vitamins Hyaluronic acid Lactobionic acid

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