Glaucoma is the second leading cause of irreversible vision impairment affecting more than 70 million people worldwide with approximately 10%suffering from glaucoma-related bilateral blind（Quigley and Broman,2006）.I...Glaucoma is the second leading cause of irreversible vision impairment affecting more than 70 million people worldwide with approximately 10%suffering from glaucoma-related bilateral blind（Quigley and Broman,2006）.It is a multi-factorial disease that is characterized by optic nerve damage and visual field loss.Progressive loss of retinal ganglion cells（RGCs）resulting in visual field deficits is the hallmark of glaucoma.展开更多
Objective:The goal of this study was to see if travoprost and β-blockers improved MDA and SOD expression as well as neuroprotection in glaucoma mice.Methods:One hundred healthy SPF SD rats were randomly allocated int...Objective:The goal of this study was to see if travoprost and β-blockers improved MDA and SOD expression as well as neuroprotection in glaucoma mice.Methods:One hundred healthy SPF SD rats were randomly allocated into five groups:travoprost and β-blocker group,travoprost group,β-blocker group,model group and blank group,with 20 rats in each group.We created a glaucoma mouse model in which the blank group and the model group received the same volume of saline,the β-blocker group received β-blocker,the travoprost group received travoprost,and the travo Prost and β-blocker groups received travo Prost and βreceptor blockers.Retinal cell apoptosis level,intraocular pressure level,MDA and SOD levels were measured after drug administration.Results:The results showed that the levels of intraocular pressure,the apoptosis rate of optic nerve,SOD and MDA of retina in travoprost and β-blocker group,travoprost group,β-blocker group and model group were greater than those in blank group(P<0.05).In comparison to the model group,the intraocular pressure level,optic nerve apoptosis rate,and retinal MDA level in the travoprost and β-blocker group continued to fall,while the retinal SOD level was considerably elevated(P<0.05).The continuous application of travoprost and β-blocker resulted in a constant drop in intraocular pressure,optic nerve apoptosis rate and MDA level in the retina,whereas the SOD level was dramatically elevated(P<0.05).Conclusion:In glaucoma mice,travoprost in combination with a β-blocker can greatly increase MDA expression,SOD and neuroprotection.展开更多
基金supported by Institut Pengurusan Penyelidikan(RMI)Universiti Teknologi MARA,Malaysia,under the grant No.600-IRMI/MyRA 5/3/LESTARI(0088/2016)and 600-IRMI/DANA 5/3/LESTARI(0076/2016)
文摘Glaucoma is the second leading cause of irreversible vision impairment affecting more than 70 million people worldwide with approximately 10%suffering from glaucoma-related bilateral blind（Quigley and Broman,2006）.It is a multi-factorial disease that is characterized by optic nerve damage and visual field loss.Progressive loss of retinal ganglion cells（RGCs）resulting in visual field deficits is the hallmark of glaucoma.
文摘Objective:The goal of this study was to see if travoprost and β-blockers improved MDA and SOD expression as well as neuroprotection in glaucoma mice.Methods:One hundred healthy SPF SD rats were randomly allocated into five groups:travoprost and β-blocker group,travoprost group,β-blocker group,model group and blank group,with 20 rats in each group.We created a glaucoma mouse model in which the blank group and the model group received the same volume of saline,the β-blocker group received β-blocker,the travoprost group received travoprost,and the travo Prost and β-blocker groups received travo Prost and βreceptor blockers.Retinal cell apoptosis level,intraocular pressure level,MDA and SOD levels were measured after drug administration.Results:The results showed that the levels of intraocular pressure,the apoptosis rate of optic nerve,SOD and MDA of retina in travoprost and β-blocker group,travoprost group,β-blocker group and model group were greater than those in blank group(P<0.05).In comparison to the model group,the intraocular pressure level,optic nerve apoptosis rate,and retinal MDA level in the travoprost and β-blocker group continued to fall,while the retinal SOD level was considerably elevated(P<0.05).The continuous application of travoprost and β-blocker resulted in a constant drop in intraocular pressure,optic nerve apoptosis rate and MDA level in the retina,whereas the SOD level was dramatically elevated(P<0.05).Conclusion:In glaucoma mice,travoprost in combination with a β-blocker can greatly increase MDA expression,SOD and neuroprotection.
