Saffron(Crocus sativus L.)has been traditionally used in food preparation and as a medicinal plant.It currently has numerous therapeutic properties attributed to it,such as protection against ischemia,as well as antic...Saffron(Crocus sativus L.)has been traditionally used in food preparation and as a medicinal plant.It currently has numerous therapeutic properties attributed to it,such as protection against ischemia,as well as anticonvulsant,antidepressant,anxiolytic,hypolipidemic,anti-atherogenic,anti-hypertensive,antidiabetic,and anti-cancer properties.In addition,saffron has remarkable beneficial properties,such as anti-apoptotic,anti-inflammatory and antioxidant activities,due to its main metabolites,among which crocin and crocetin stand out.Furthermore,increasing evidence underwrites the possible neuroprotective role of the main bioactive saffron constituents in neurodegenerative diseases,such as Parkinson’s and Alzheimer’s diseases,both in experimental models and in clinical studies in patients.Currently,saffron supplementation is being tested for ocular neurodegenerative pathologies,such as diabetic retinopathy,retinitis pigmentosa,age-related macular degeneration and glaucoma,among others,and shows beneficial effects.The present article provides a comprehensive and up to date report of the investigations on the beneficial effects of saffron extracts on the main neurodegenerative ocular pathologies and other ocular diseases.This review showed that saffron extracts could be considered promising therapeutic agents to help in the treatment of ocular neurodegenerative diseases.展开更多
Background:Degenerate eye disorders,such as glaucoma,cataracts and age-related macular degeneration(AMD),are prevalent causes of blindness and visual impairment worldwide.Other eye disorders,including limbal stem cell...Background:Degenerate eye disorders,such as glaucoma,cataracts and age-related macular degeneration(AMD),are prevalent causes of blindness and visual impairment worldwide.Other eye disorders,including limbal stem cell deficiency(LSCD),dry eye diseases(DED),and retinitis pigmentosa(RP),result in symptoms such as ocular discomfort and impaired visual function,significantly impacting quality of life.Traditional therapies are limited,primarily focus on delaying disease progression,while emerging stem cell therapy directly targets ocular tissues,aiming to restore ocular function by reconstructing ocular tissue.Main text:The utilization of stem cells for the treatment of diverse degenerative ocular diseases is becoming increasingly significant,owing to the regenerative and malleable properties of stem cells and their functional cells.Currently,stem cell therapy for ophthalmopathy involves various cell types,such as embryonic stem cells(ESCs),induced pluripotent stem cells(iPSCs),mesenchymal stem cells(MSCs),and retinal progenitor cells(RPCs).In the current article,we will review the current progress regarding the utilization of stem cells for the regeneration of ocular tissue covering key eye tissues from the cornea to the retina.These therapies aim to address the loss of functional cells,restore damaged ocular tissue and or in a paracrine-mediated manner.We also provide an overview of the ocular disorders that stem cell therapy is targeting,as well as the difficulties and opportunities in this field.Conclusions:Stem cells can not only promote tissue regeneration but also release exosomes to mitigate inflam-mation and provide neuroprotection,making stem cell therapy emerge as a promising approach for treating a wide range of eye disorders through multiple mechanisms.展开更多
基金the Ophthalmological Network OFTARED(RD16/0008/0005,RD16/0008/0022, of the Institute of Health of Carlos III of the Spanish Ministry of Economyby the PN I+D+i 2008–2011+4 种基金by the ISCIII-Subdireccion General de Redes y Centros de Investigacion Cooperativaby the European program FEDER.SAF-2014-53779-R:from the Spanish Ministry of Economy and Competitivenessby Articulo 83 118-2017(UCM-Pharmactive Biotech)supported by a Predoctoral Fellowship(FPU17/01023)from the Spanish Ministry of Science,Innovation,and Universitiessupported by a Predoctoral Fellowship(CT42/18-CT43/18)from the Complutense University of Madrid
文摘Saffron(Crocus sativus L.)has been traditionally used in food preparation and as a medicinal plant.It currently has numerous therapeutic properties attributed to it,such as protection against ischemia,as well as anticonvulsant,antidepressant,anxiolytic,hypolipidemic,anti-atherogenic,anti-hypertensive,antidiabetic,and anti-cancer properties.In addition,saffron has remarkable beneficial properties,such as anti-apoptotic,anti-inflammatory and antioxidant activities,due to its main metabolites,among which crocin and crocetin stand out.Furthermore,increasing evidence underwrites the possible neuroprotective role of the main bioactive saffron constituents in neurodegenerative diseases,such as Parkinson’s and Alzheimer’s diseases,both in experimental models and in clinical studies in patients.Currently,saffron supplementation is being tested for ocular neurodegenerative pathologies,such as diabetic retinopathy,retinitis pigmentosa,age-related macular degeneration and glaucoma,among others,and shows beneficial effects.The present article provides a comprehensive and up to date report of the investigations on the beneficial effects of saffron extracts on the main neurodegenerative ocular pathologies and other ocular diseases.This review showed that saffron extracts could be considered promising therapeutic agents to help in the treatment of ocular neurodegenerative diseases.
基金supported by the National Natural Science Foundation of China(81670833,81870641,82070939,81300641)supported by the Zhejiang Province Key Research and Development Program(2019C03091,2020C03035)the Fundamental Research Funds of the Central Universities(2019QNA7026).
文摘Background:Degenerate eye disorders,such as glaucoma,cataracts and age-related macular degeneration(AMD),are prevalent causes of blindness and visual impairment worldwide.Other eye disorders,including limbal stem cell deficiency(LSCD),dry eye diseases(DED),and retinitis pigmentosa(RP),result in symptoms such as ocular discomfort and impaired visual function,significantly impacting quality of life.Traditional therapies are limited,primarily focus on delaying disease progression,while emerging stem cell therapy directly targets ocular tissues,aiming to restore ocular function by reconstructing ocular tissue.Main text:The utilization of stem cells for the treatment of diverse degenerative ocular diseases is becoming increasingly significant,owing to the regenerative and malleable properties of stem cells and their functional cells.Currently,stem cell therapy for ophthalmopathy involves various cell types,such as embryonic stem cells(ESCs),induced pluripotent stem cells(iPSCs),mesenchymal stem cells(MSCs),and retinal progenitor cells(RPCs).In the current article,we will review the current progress regarding the utilization of stem cells for the regeneration of ocular tissue covering key eye tissues from the cornea to the retina.These therapies aim to address the loss of functional cells,restore damaged ocular tissue and or in a paracrine-mediated manner.We also provide an overview of the ocular disorders that stem cell therapy is targeting,as well as the difficulties and opportunities in this field.Conclusions:Stem cells can not only promote tissue regeneration but also release exosomes to mitigate inflam-mation and provide neuroprotection,making stem cell therapy emerge as a promising approach for treating a wide range of eye disorders through multiple mechanisms.