Correlation of blood-glucose control with oxidative metabolites in plasma and vitreous body of diabetic patients
In diabetes hyperglycemia and other mechanisms lead to the production of oxidative metabolites that can enhance the production of growth factors, leading to increased proliferative activity. Strict blood-glucose control reduces the progression of retinopathy better than standard control. This study...
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| Veröffentlicht in: | European journal of ophthalmology 2002-03, Vol.12 (2), p.94-101 |
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| creator | AUGUSTIN, A. J DICK, H. B KOCH, F SCHMIDT-ERFURTH, U |
| description | In diabetes hyperglycemia and other mechanisms lead to the production of oxidative metabolites that can enhance the production of growth factors, leading to increased proliferative activity. Strict blood-glucose control reduces the progression of retinopathy better than standard control. This study investigated patients with diabetic retinopathy for evidence of oxidative metabolites in plasma and the vitreous body, correlating these values with blood-glucose control.
The study comprised 136 patients suffering from proliferative diabetic retinopathy. They were grouped according to their mean glycosylated hemoglobin value for the last 9-12 months. Patients with values < or = 10% (mean 8.7%; n=64) were considered strict glucose control patients, those with values > 10% (mean 12.8%; n=72) were considered standard glucose control patients. Lipid peroxides were determined in blood plasma and the vitreous body by two methods (thiobarbituric acid reactive substances and malondialdehyde-like substances). If present, retinal traction with fibrovascular proliferations (>2 disk areas) was quantified and served as an indicator of proliferative activity.
Patients with strict blood-glucose control had significantly (p < 0.01) lower lipid peroxide values in plasma and the vitreous body than standard glucose control patients. These latter had significantly (p |
| doi_str_mv | 10.1177/112067210201200204 |
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The study comprised 136 patients suffering from proliferative diabetic retinopathy. They were grouped according to their mean glycosylated hemoglobin value for the last 9-12 months. Patients with values < or = 10% (mean 8.7%; n=64) were considered strict glucose control patients, those with values > 10% (mean 12.8%; n=72) were considered standard glucose control patients. Lipid peroxides were determined in blood plasma and the vitreous body by two methods (thiobarbituric acid reactive substances and malondialdehyde-like substances). If present, retinal traction with fibrovascular proliferations (>2 disk areas) was quantified and served as an indicator of proliferative activity.
Patients with strict blood-glucose control had significantly (p < 0.01) lower lipid peroxide values in plasma and the vitreous body than standard glucose control patients. These latter had significantly (p<0.01) higher rate of fibrovascular proliferation (50%) than strict glucose control patients (9. 7%).
Strict blood-glucose control leads to reduced oxidative tissue damage both systemically and locally in the eye, and reduced proliferative activity. Oxidative metabolites can stimulate proliferation by increasing the amounts of different growth factors an cytokines such as vascular endothelial growth factor. Thus, it can be speculated that in hyperglycemia the relative increase of oxidative metabolites contributes both to damage of retinal vessels and to more pronounced proliferative activity in diabetic retinopathy.</description><identifier>ISSN: 1120-6721</identifier><identifier>EISSN: 1724-6016</identifier><identifier>DOI: 10.1177/112067210201200204</identifier><identifier>PMID: 12022292</identifier><language>eng</language><publisher>Milano: Wichtig</publisher><subject>Associated diseases and complications ; Biological and medical sciences ; Blood Glucose - metabolism ; Chromatography, High Pressure Liquid ; Diabetes Mellitus, Type 1 - metabolism ; Diabetes Mellitus, Type 2 - metabolism ; Diabetes. Impaired glucose tolerance ; Diabetic Retinopathy - metabolism ; Endocrine pancreas. Apud cells (diseases) ; Endocrinopathies ; Female ; Glycated Hemoglobin A ; Humans ; Lipid Peroxides - blood ; Male ; Malondialdehyde - metabolism ; Medical sciences ; Middle Aged ; Oxidative Stress ; Thiobarbituric Acid Reactive Substances - metabolism ; Vitreous Body - metabolism</subject><ispartof>European journal of ophthalmology, 2002-03, Vol.12 (2), p.94-101</ispartof><rights>2002 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c329t-226110721abf484589dcb8eab7c60f0f1fcfc5679fe181cfb514f313a0ae63143</citedby><cites>FETCH-LOGICAL-c329t-226110721abf484589dcb8eab7c60f0f1fcfc5679fe181cfb514f313a0ae63143</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27923,27924</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=13642068$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/12022292$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>AUGUSTIN, A. J</creatorcontrib><creatorcontrib>DICK, H. B</creatorcontrib><creatorcontrib>KOCH, F</creatorcontrib><creatorcontrib>SCHMIDT-ERFURTH, U</creatorcontrib><title>Correlation of blood-glucose control with oxidative metabolites in plasma and vitreous body of diabetic patients</title><title>European journal of ophthalmology</title><addtitle>Eur J Ophthalmol</addtitle><description>In diabetes hyperglycemia and other mechanisms lead to the production of oxidative metabolites that can enhance the production of growth factors, leading to increased proliferative activity. Strict blood-glucose control reduces the progression of retinopathy better than standard control. This study investigated patients with diabetic retinopathy for evidence of oxidative metabolites in plasma and the vitreous body, correlating these values with blood-glucose control.
The study comprised 136 patients suffering from proliferative diabetic retinopathy. They were grouped according to their mean glycosylated hemoglobin value for the last 9-12 months. Patients with values < or = 10% (mean 8.7%; n=64) were considered strict glucose control patients, those with values > 10% (mean 12.8%; n=72) were considered standard glucose control patients. Lipid peroxides were determined in blood plasma and the vitreous body by two methods (thiobarbituric acid reactive substances and malondialdehyde-like substances). If present, retinal traction with fibrovascular proliferations (>2 disk areas) was quantified and served as an indicator of proliferative activity.
Patients with strict blood-glucose control had significantly (p < 0.01) lower lipid peroxide values in plasma and the vitreous body than standard glucose control patients. These latter had significantly (p<0.01) higher rate of fibrovascular proliferation (50%) than strict glucose control patients (9. 7%).
Strict blood-glucose control leads to reduced oxidative tissue damage both systemically and locally in the eye, and reduced proliferative activity. Oxidative metabolites can stimulate proliferation by increasing the amounts of different growth factors an cytokines such as vascular endothelial growth factor. Thus, it can be speculated that in hyperglycemia the relative increase of oxidative metabolites contributes both to damage of retinal vessels and to more pronounced proliferative activity in diabetic retinopathy.</description><subject>Associated diseases and complications</subject><subject>Biological and medical sciences</subject><subject>Blood Glucose - metabolism</subject><subject>Chromatography, High Pressure Liquid</subject><subject>Diabetes Mellitus, Type 1 - metabolism</subject><subject>Diabetes Mellitus, Type 2 - metabolism</subject><subject>Diabetes. Impaired glucose tolerance</subject><subject>Diabetic Retinopathy - metabolism</subject><subject>Endocrine pancreas. Apud cells (diseases)</subject><subject>Endocrinopathies</subject><subject>Female</subject><subject>Glycated Hemoglobin A</subject><subject>Humans</subject><subject>Lipid Peroxides - blood</subject><subject>Male</subject><subject>Malondialdehyde - metabolism</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Oxidative Stress</subject><subject>Thiobarbituric Acid Reactive Substances - metabolism</subject><subject>Vitreous Body - metabolism</subject><issn>1120-6721</issn><issn>1724-6016</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNplkEtPwzAQhC0EoqXwBzggX-AW8DoPJ0dU8ZIqcYFzZDs2GDlxsN1C_z2OWqkHLrur1Tej0SB0CeQWgLE7AEoqRoFQkq40iyM0B0aLrCJQHac7vbOJmKGzEL4mpCnoKZqlP6W0oXM0Lp33yvJo3ICdxsI612Ufdi1dUFi6IXpn8Y-Jn9j9mi5xG4V7Fblw1kQVsBnwaHnoOeZDhzcmeuXWAQvXbSe_znChopF4TFI1xHCOTjS3QV3s9wK9Pz68LZ-z1evTy_J-lcmcNjGjtAIgKToXuqiLsm46KWrFBZMV0USDllqWFWu0ghqkFiUUOoecE66qHIp8gW52vqN332sVYtubIJW1fJgCtgwYyWtWJpDuQOldCF7pdvSm537bAmmnntv_PSfR1d59LXrVHST7YhNwvQd4kNxqzwdpwoHLqyKZ1vkfbguGeQ</recordid><startdate>20020301</startdate><enddate>20020301</enddate><creator>AUGUSTIN, A. 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B ; KOCH, F ; SCHMIDT-ERFURTH, U</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c329t-226110721abf484589dcb8eab7c60f0f1fcfc5679fe181cfb514f313a0ae63143</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>Associated diseases and complications</topic><topic>Biological and medical sciences</topic><topic>Blood Glucose - metabolism</topic><topic>Chromatography, High Pressure Liquid</topic><topic>Diabetes Mellitus, Type 1 - metabolism</topic><topic>Diabetes Mellitus, Type 2 - metabolism</topic><topic>Diabetes. Impaired glucose tolerance</topic><topic>Diabetic Retinopathy - metabolism</topic><topic>Endocrine pancreas. Apud cells (diseases)</topic><topic>Endocrinopathies</topic><topic>Female</topic><topic>Glycated Hemoglobin A</topic><topic>Humans</topic><topic>Lipid Peroxides - blood</topic><topic>Male</topic><topic>Malondialdehyde - metabolism</topic><topic>Medical sciences</topic><topic>Middle Aged</topic><topic>Oxidative Stress</topic><topic>Thiobarbituric Acid Reactive Substances - metabolism</topic><topic>Vitreous Body - metabolism</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>AUGUSTIN, A. J</creatorcontrib><creatorcontrib>DICK, H. B</creatorcontrib><creatorcontrib>KOCH, F</creatorcontrib><creatorcontrib>SCHMIDT-ERFURTH, U</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>European journal of ophthalmology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>AUGUSTIN, A. J</au><au>DICK, H. B</au><au>KOCH, F</au><au>SCHMIDT-ERFURTH, U</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Correlation of blood-glucose control with oxidative metabolites in plasma and vitreous body of diabetic patients</atitle><jtitle>European journal of ophthalmology</jtitle><addtitle>Eur J Ophthalmol</addtitle><date>2002-03-01</date><risdate>2002</risdate><volume>12</volume><issue>2</issue><spage>94</spage><epage>101</epage><pages>94-101</pages><issn>1120-6721</issn><eissn>1724-6016</eissn><abstract>In diabetes hyperglycemia and other mechanisms lead to the production of oxidative metabolites that can enhance the production of growth factors, leading to increased proliferative activity. Strict blood-glucose control reduces the progression of retinopathy better than standard control. This study investigated patients with diabetic retinopathy for evidence of oxidative metabolites in plasma and the vitreous body, correlating these values with blood-glucose control.
The study comprised 136 patients suffering from proliferative diabetic retinopathy. They were grouped according to their mean glycosylated hemoglobin value for the last 9-12 months. Patients with values < or = 10% (mean 8.7%; n=64) were considered strict glucose control patients, those with values > 10% (mean 12.8%; n=72) were considered standard glucose control patients. Lipid peroxides were determined in blood plasma and the vitreous body by two methods (thiobarbituric acid reactive substances and malondialdehyde-like substances). If present, retinal traction with fibrovascular proliferations (>2 disk areas) was quantified and served as an indicator of proliferative activity.
Patients with strict blood-glucose control had significantly (p < 0.01) lower lipid peroxide values in plasma and the vitreous body than standard glucose control patients. These latter had significantly (p<0.01) higher rate of fibrovascular proliferation (50%) than strict glucose control patients (9. 7%).
Strict blood-glucose control leads to reduced oxidative tissue damage both systemically and locally in the eye, and reduced proliferative activity. Oxidative metabolites can stimulate proliferation by increasing the amounts of different growth factors an cytokines such as vascular endothelial growth factor. Thus, it can be speculated that in hyperglycemia the relative increase of oxidative metabolites contributes both to damage of retinal vessels and to more pronounced proliferative activity in diabetic retinopathy.</abstract><cop>Milano</cop><pub>Wichtig</pub><pmid>12022292</pmid><doi>10.1177/112067210201200204</doi><tpages>8</tpages></addata></record> |
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| subjects | Associated diseases and complications Biological and medical sciences Blood Glucose - metabolism Chromatography, High Pressure Liquid Diabetes Mellitus, Type 1 - metabolism Diabetes Mellitus, Type 2 - metabolism Diabetes. Impaired glucose tolerance Diabetic Retinopathy - metabolism Endocrine pancreas. Apud cells (diseases) Endocrinopathies Female Glycated Hemoglobin A Humans Lipid Peroxides - blood Male Malondialdehyde - metabolism Medical sciences Middle Aged Oxidative Stress Thiobarbituric Acid Reactive Substances - metabolism Vitreous Body - metabolism |
| title | Correlation of blood-glucose control with oxidative metabolites in plasma and vitreous body of diabetic patients |
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