A Case control study to evaluate oxidative stress in plasma samples of oral malignancy

Background: Imbalances between the oxidant -antioxidant status have been implicated in the pathogenesis of several diseases, including cancer. Aim: The aim of this study was to evaluate the extent of lipid peroxidation and antioxidants in the venous blood samples of oral squamous cell carcinoma patients of different Clinicopathologic stages in comparison with the healthy controls. Setting and Design: A Case control study was designed in a hospital (Rajah Muthiah Dental College and Hospital, Annamalai University) based setting. Materials and Methods: Twenty new histopathologically proven oral carcinoma patients, and equal number of age, sex and habit matched healthy subjects were recruited for this study. Their blood samples were subjected to evaluation of Thiobarbituric Acid Reactive Substances (TBARS) and antioxidant enzymes, namely, superoxide dismutase (SOD), Catalase (CAT) reduced glutathione (GSH) and glutathione peroxidase (GPx) using spectrophotometric methods. Statistical Analysis: The data are expressed as mean±SD. The statistical comparisons were performed by independent Student′s t-test and One Way ANOVA. P value <0.05 was considered statistically significant. Karl Pearson correlation was performed for the biochemical parameters within the group and between the groups. For statistically significant correlations, linear regression was performed. Results: Significant enhanced lipid peroxidation (P<0.001) with decrease in antioxidants (P<0.001) was observed in the venous blood of oral squamous cell carcinoma patients as compared with the healthy controls. Accordingly, significant (P<0.001) pattern of progression in TBARS levels was observed at various clinical stages of patients. (GSH) showed significant (P<0.01) negative correlation with TBARS and positive correlation (P<0.001) with SOD. On linear regression analysis, GSH showed significance for SOD (P<0.001), GPx, CAT and TBARS (P<0.01). It was also found that, 70% of variance in SOD can be attributed to the influence of GSH alone. Conclusion: Enhanced lipid peroxidation and compromised antioxidant defense in plasma indicate development of oxidative stress. Amongst the antioxidant enzymes, (GSH) appears to have a profound role in carcinogenesis. Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Kumar Chandan Srivastava [verfasserIn] Ravi David Austin [verfasserIn] Deepti Shrivastava [verfasserIn] S Sethupathy [verfasserIn] S Rajesh [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2012

Schlagwörter:	Antioxidants lipid peroxidation oral cancer oxidative stress

Übergeordnetes Werk:	In: Contemporary Clinical Dentistry - Wolters Kluwer Medknow Publications, 2010, 3(2012), 3, Seite 271-276
Übergeordnetes Werk:	volume:3 ; year:2012 ; number:3 ; pages:271-276

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc Journal toc

DOI / URN:	10.4103/0976-237X.103617

Katalog-ID:	DOAJ01266622X

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520			\|a Background: Imbalances between the oxidant -antioxidant status have been implicated in the pathogenesis of several diseases, including cancer. Aim: The aim of this study was to evaluate the extent of lipid peroxidation and antioxidants in the venous blood samples of oral squamous cell carcinoma patients of different Clinicopathologic stages in comparison with the healthy controls. Setting and Design: A Case control study was designed in a hospital (Rajah Muthiah Dental College and Hospital, Annamalai University) based setting. Materials and Methods: Twenty new histopathologically proven oral carcinoma patients, and equal number of age, sex and habit matched healthy subjects were recruited for this study. Their blood samples were subjected to evaluation of Thiobarbituric Acid Reactive Substances (TBARS) and antioxidant enzymes, namely, superoxide dismutase (SOD), Catalase (CAT) reduced glutathione (GSH) and glutathione peroxidase (GPx) using spectrophotometric methods. Statistical Analysis: The data are expressed as mean±SD. The statistical comparisons were performed by independent Student′s t-test and One Way ANOVA. P value <0.05 was considered statistically significant. Karl Pearson correlation was performed for the biochemical parameters within the group and between the groups. For statistically significant correlations, linear regression was performed. Results: Significant enhanced lipid peroxidation (P<0.001) with decrease in antioxidants (P<0.001) was observed in the venous blood of oral squamous cell carcinoma patients as compared with the healthy controls. Accordingly, significant (P<0.001) pattern of progression in TBARS levels was observed at various clinical stages of patients. (GSH) showed significant (P<0.01) negative correlation with TBARS and positive correlation (P<0.001) with SOD. On linear regression analysis, GSH showed significance for SOD (P<0.001), GPx, CAT and TBARS (P<0.01). It was also found that, 70% of variance in SOD can be attributed to the influence of GSH alone. Conclusion: Enhanced lipid peroxidation and compromised antioxidant defense in plasma indicate development of oxidative stress. Amongst the antioxidant enzymes, (GSH) appears to have a profound role in carcinogenesis.
650		4	\|a Antioxidants
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spelling	10.4103/0976-237X.103617 doi (DE-627)DOAJ01266622X (DE-599)DOAJd70fb2265f054e858444b1dfe71cde0d DE-627 ger DE-627 rakwb eng RK1-715 Kumar Chandan Srivastava verfasserin aut A Case control study to evaluate oxidative stress in plasma samples of oral malignancy 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Imbalances between the oxidant -antioxidant status have been implicated in the pathogenesis of several diseases, including cancer. Aim: The aim of this study was to evaluate the extent of lipid peroxidation and antioxidants in the venous blood samples of oral squamous cell carcinoma patients of different Clinicopathologic stages in comparison with the healthy controls. Setting and Design: A Case control study was designed in a hospital (Rajah Muthiah Dental College and Hospital, Annamalai University) based setting. Materials and Methods: Twenty new histopathologically proven oral carcinoma patients, and equal number of age, sex and habit matched healthy subjects were recruited for this study. Their blood samples were subjected to evaluation of Thiobarbituric Acid Reactive Substances (TBARS) and antioxidant enzymes, namely, superoxide dismutase (SOD), Catalase (CAT) reduced glutathione (GSH) and glutathione peroxidase (GPx) using spectrophotometric methods. Statistical Analysis: The data are expressed as mean±SD. The statistical comparisons were performed by independent Student′s t-test and One Way ANOVA. P value <0.05 was considered statistically significant. Karl Pearson correlation was performed for the biochemical parameters within the group and between the groups. For statistically significant correlations, linear regression was performed. Results: Significant enhanced lipid peroxidation (P<0.001) with decrease in antioxidants (P<0.001) was observed in the venous blood of oral squamous cell carcinoma patients as compared with the healthy controls. Accordingly, significant (P<0.001) pattern of progression in TBARS levels was observed at various clinical stages of patients. (GSH) showed significant (P<0.01) negative correlation with TBARS and positive correlation (P<0.001) with SOD. On linear regression analysis, GSH showed significance for SOD (P<0.001), GPx, CAT and TBARS (P<0.01). It was also found that, 70% of variance in SOD can be attributed to the influence of GSH alone. Conclusion: Enhanced lipid peroxidation and compromised antioxidant defense in plasma indicate development of oxidative stress. Amongst the antioxidant enzymes, (GSH) appears to have a profound role in carcinogenesis. Antioxidants lipid peroxidation oral cancer oxidative stress Dentistry Ravi David Austin verfasserin aut Deepti Shrivastava verfasserin aut S Sethupathy verfasserin aut S Rajesh verfasserin aut In Contemporary Clinical Dentistry Wolters Kluwer Medknow Publications, 2010 3(2012), 3, Seite 271-276 (DE-627)64057355X (DE-600)2582352-8 09762361 nnns volume:3 year:2012 number:3 pages:271-276 https://doi.org/10.4103/0976-237X.103617 kostenfrei https://doaj.org/article/d70fb2265f054e858444b1dfe71cde0d kostenfrei http://www.contempclindent.org/article.asp?issn=0976-237X;year=2012;volume=3;issue=3;spage=271;epage=276;aulast=Srivastava kostenfrei https://doaj.org/toc/0976-237X Journal toc kostenfrei https://doaj.org/toc/0976-2361 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 3 2012 3 271-276
allfields_unstemmed	10.4103/0976-237X.103617 doi (DE-627)DOAJ01266622X (DE-599)DOAJd70fb2265f054e858444b1dfe71cde0d DE-627 ger DE-627 rakwb eng RK1-715 Kumar Chandan Srivastava verfasserin aut A Case control study to evaluate oxidative stress in plasma samples of oral malignancy 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Imbalances between the oxidant -antioxidant status have been implicated in the pathogenesis of several diseases, including cancer. Aim: The aim of this study was to evaluate the extent of lipid peroxidation and antioxidants in the venous blood samples of oral squamous cell carcinoma patients of different Clinicopathologic stages in comparison with the healthy controls. Setting and Design: A Case control study was designed in a hospital (Rajah Muthiah Dental College and Hospital, Annamalai University) based setting. Materials and Methods: Twenty new histopathologically proven oral carcinoma patients, and equal number of age, sex and habit matched healthy subjects were recruited for this study. Their blood samples were subjected to evaluation of Thiobarbituric Acid Reactive Substances (TBARS) and antioxidant enzymes, namely, superoxide dismutase (SOD), Catalase (CAT) reduced glutathione (GSH) and glutathione peroxidase (GPx) using spectrophotometric methods. Statistical Analysis: The data are expressed as mean±SD. The statistical comparisons were performed by independent Student′s t-test and One Way ANOVA. P value <0.05 was considered statistically significant. Karl Pearson correlation was performed for the biochemical parameters within the group and between the groups. For statistically significant correlations, linear regression was performed. Results: Significant enhanced lipid peroxidation (P<0.001) with decrease in antioxidants (P<0.001) was observed in the venous blood of oral squamous cell carcinoma patients as compared with the healthy controls. Accordingly, significant (P<0.001) pattern of progression in TBARS levels was observed at various clinical stages of patients. (GSH) showed significant (P<0.01) negative correlation with TBARS and positive correlation (P<0.001) with SOD. On linear regression analysis, GSH showed significance for SOD (P<0.001), GPx, CAT and TBARS (P<0.01). It was also found that, 70% of variance in SOD can be attributed to the influence of GSH alone. Conclusion: Enhanced lipid peroxidation and compromised antioxidant defense in plasma indicate development of oxidative stress. Amongst the antioxidant enzymes, (GSH) appears to have a profound role in carcinogenesis. Antioxidants lipid peroxidation oral cancer oxidative stress Dentistry Ravi David Austin verfasserin aut Deepti Shrivastava verfasserin aut S Sethupathy verfasserin aut S Rajesh verfasserin aut In Contemporary Clinical Dentistry Wolters Kluwer Medknow Publications, 2010 3(2012), 3, Seite 271-276 (DE-627)64057355X (DE-600)2582352-8 09762361 nnns volume:3 year:2012 number:3 pages:271-276 https://doi.org/10.4103/0976-237X.103617 kostenfrei https://doaj.org/article/d70fb2265f054e858444b1dfe71cde0d kostenfrei http://www.contempclindent.org/article.asp?issn=0976-237X;year=2012;volume=3;issue=3;spage=271;epage=276;aulast=Srivastava kostenfrei https://doaj.org/toc/0976-237X Journal toc kostenfrei https://doaj.org/toc/0976-2361 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 3 2012 3 271-276
allfieldsGer	10.4103/0976-237X.103617 doi (DE-627)DOAJ01266622X (DE-599)DOAJd70fb2265f054e858444b1dfe71cde0d DE-627 ger DE-627 rakwb eng RK1-715 Kumar Chandan Srivastava verfasserin aut A Case control study to evaluate oxidative stress in plasma samples of oral malignancy 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Imbalances between the oxidant -antioxidant status have been implicated in the pathogenesis of several diseases, including cancer. Aim: The aim of this study was to evaluate the extent of lipid peroxidation and antioxidants in the venous blood samples of oral squamous cell carcinoma patients of different Clinicopathologic stages in comparison with the healthy controls. Setting and Design: A Case control study was designed in a hospital (Rajah Muthiah Dental College and Hospital, Annamalai University) based setting. Materials and Methods: Twenty new histopathologically proven oral carcinoma patients, and equal number of age, sex and habit matched healthy subjects were recruited for this study. Their blood samples were subjected to evaluation of Thiobarbituric Acid Reactive Substances (TBARS) and antioxidant enzymes, namely, superoxide dismutase (SOD), Catalase (CAT) reduced glutathione (GSH) and glutathione peroxidase (GPx) using spectrophotometric methods. Statistical Analysis: The data are expressed as mean±SD. The statistical comparisons were performed by independent Student′s t-test and One Way ANOVA. P value <0.05 was considered statistically significant. Karl Pearson correlation was performed for the biochemical parameters within the group and between the groups. For statistically significant correlations, linear regression was performed. Results: Significant enhanced lipid peroxidation (P<0.001) with decrease in antioxidants (P<0.001) was observed in the venous blood of oral squamous cell carcinoma patients as compared with the healthy controls. Accordingly, significant (P<0.001) pattern of progression in TBARS levels was observed at various clinical stages of patients. (GSH) showed significant (P<0.01) negative correlation with TBARS and positive correlation (P<0.001) with SOD. On linear regression analysis, GSH showed significance for SOD (P<0.001), GPx, CAT and TBARS (P<0.01). It was also found that, 70% of variance in SOD can be attributed to the influence of GSH alone. Conclusion: Enhanced lipid peroxidation and compromised antioxidant defense in plasma indicate development of oxidative stress. Amongst the antioxidant enzymes, (GSH) appears to have a profound role in carcinogenesis. Antioxidants lipid peroxidation oral cancer oxidative stress Dentistry Ravi David Austin verfasserin aut Deepti Shrivastava verfasserin aut S Sethupathy verfasserin aut S Rajesh verfasserin aut In Contemporary Clinical Dentistry Wolters Kluwer Medknow Publications, 2010 3(2012), 3, Seite 271-276 (DE-627)64057355X (DE-600)2582352-8 09762361 nnns volume:3 year:2012 number:3 pages:271-276 https://doi.org/10.4103/0976-237X.103617 kostenfrei https://doaj.org/article/d70fb2265f054e858444b1dfe71cde0d kostenfrei http://www.contempclindent.org/article.asp?issn=0976-237X;year=2012;volume=3;issue=3;spage=271;epage=276;aulast=Srivastava kostenfrei https://doaj.org/toc/0976-237X Journal toc kostenfrei https://doaj.org/toc/0976-2361 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 3 2012 3 271-276
allfieldsSound	10.4103/0976-237X.103617 doi (DE-627)DOAJ01266622X (DE-599)DOAJd70fb2265f054e858444b1dfe71cde0d DE-627 ger DE-627 rakwb eng RK1-715 Kumar Chandan Srivastava verfasserin aut A Case control study to evaluate oxidative stress in plasma samples of oral malignancy 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Imbalances between the oxidant -antioxidant status have been implicated in the pathogenesis of several diseases, including cancer. Aim: The aim of this study was to evaluate the extent of lipid peroxidation and antioxidants in the venous blood samples of oral squamous cell carcinoma patients of different Clinicopathologic stages in comparison with the healthy controls. Setting and Design: A Case control study was designed in a hospital (Rajah Muthiah Dental College and Hospital, Annamalai University) based setting. Materials and Methods: Twenty new histopathologically proven oral carcinoma patients, and equal number of age, sex and habit matched healthy subjects were recruited for this study. Their blood samples were subjected to evaluation of Thiobarbituric Acid Reactive Substances (TBARS) and antioxidant enzymes, namely, superoxide dismutase (SOD), Catalase (CAT) reduced glutathione (GSH) and glutathione peroxidase (GPx) using spectrophotometric methods. Statistical Analysis: The data are expressed as mean±SD. The statistical comparisons were performed by independent Student′s t-test and One Way ANOVA. P value <0.05 was considered statistically significant. Karl Pearson correlation was performed for the biochemical parameters within the group and between the groups. For statistically significant correlations, linear regression was performed. Results: Significant enhanced lipid peroxidation (P<0.001) with decrease in antioxidants (P<0.001) was observed in the venous blood of oral squamous cell carcinoma patients as compared with the healthy controls. Accordingly, significant (P<0.001) pattern of progression in TBARS levels was observed at various clinical stages of patients. (GSH) showed significant (P<0.01) negative correlation with TBARS and positive correlation (P<0.001) with SOD. On linear regression analysis, GSH showed significance for SOD (P<0.001), GPx, CAT and TBARS (P<0.01). It was also found that, 70% of variance in SOD can be attributed to the influence of GSH alone. Conclusion: Enhanced lipid peroxidation and compromised antioxidant defense in plasma indicate development of oxidative stress. Amongst the antioxidant enzymes, (GSH) appears to have a profound role in carcinogenesis. Antioxidants lipid peroxidation oral cancer oxidative stress Dentistry Ravi David Austin verfasserin aut Deepti Shrivastava verfasserin aut S Sethupathy verfasserin aut S Rajesh verfasserin aut In Contemporary Clinical Dentistry Wolters Kluwer Medknow Publications, 2010 3(2012), 3, Seite 271-276 (DE-627)64057355X (DE-600)2582352-8 09762361 nnns volume:3 year:2012 number:3 pages:271-276 https://doi.org/10.4103/0976-237X.103617 kostenfrei https://doaj.org/article/d70fb2265f054e858444b1dfe71cde0d kostenfrei http://www.contempclindent.org/article.asp?issn=0976-237X;year=2012;volume=3;issue=3;spage=271;epage=276;aulast=Srivastava kostenfrei https://doaj.org/toc/0976-237X Journal toc kostenfrei https://doaj.org/toc/0976-2361 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 3 2012 3 271-276
language	English
source	In Contemporary Clinical Dentistry 3(2012), 3, Seite 271-276 volume:3 year:2012 number:3 pages:271-276
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topic_facet	Antioxidants lipid peroxidation oral cancer oxidative stress Dentistry
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container_title	Contemporary Clinical Dentistry
authorswithroles_txt_mv	Kumar Chandan Srivastava @@aut@@ Ravi David Austin @@aut@@ Deepti Shrivastava @@aut@@ S Sethupathy @@aut@@ S Rajesh @@aut@@
publishDateDaySort_date	2012-01-01T00:00:00Z
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Aim: The aim of this study was to evaluate the extent of lipid peroxidation and antioxidants in the venous blood samples of oral squamous cell carcinoma patients of different Clinicopathologic stages in comparison with the healthy controls. Setting and Design: A Case control study was designed in a hospital (Rajah Muthiah Dental College and Hospital, Annamalai University) based setting. Materials and Methods: Twenty new histopathologically proven oral carcinoma patients, and equal number of age, sex and habit matched healthy subjects were recruited for this study. Their blood samples were subjected to evaluation of Thiobarbituric Acid Reactive Substances (TBARS) and antioxidant enzymes, namely, superoxide dismutase (SOD), Catalase (CAT) reduced glutathione (GSH) and glutathione peroxidase (GPx) using spectrophotometric methods. Statistical Analysis: The data are expressed as mean±SD. The statistical comparisons were performed by independent Student′s t-test and One Way ANOVA. P value <0.05 was considered statistically significant. Karl Pearson correlation was performed for the biochemical parameters within the group and between the groups. For statistically significant correlations, linear regression was performed. Results: Significant enhanced lipid peroxidation (P<0.001) with decrease in antioxidants (P<0.001) was observed in the venous blood of oral squamous cell carcinoma patients as compared with the healthy controls. Accordingly, significant (P<0.001) pattern of progression in TBARS levels was observed at various clinical stages of patients. (GSH) showed significant (P<0.01) negative correlation with TBARS and positive correlation (P<0.001) with SOD. On linear regression analysis, GSH showed significance for SOD (P<0.001), GPx, CAT and TBARS (P<0.01). It was also found that, 70% of variance in SOD can be attributed to the influence of GSH alone. 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callnumber-first	R - Medicine
author	Kumar Chandan Srivastava
spellingShingle	Kumar Chandan Srivastava misc RK1-715 misc Antioxidants misc lipid peroxidation misc oral cancer misc oxidative stress misc Dentistry A Case control study to evaluate oxidative stress in plasma samples of oral malignancy
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topic_title	RK1-715 A Case control study to evaluate oxidative stress in plasma samples of oral malignancy Antioxidants lipid peroxidation oral cancer oxidative stress
topic	misc RK1-715 misc Antioxidants misc lipid peroxidation misc oral cancer misc oxidative stress misc Dentistry
topic_unstemmed	misc RK1-715 misc Antioxidants misc lipid peroxidation misc oral cancer misc oxidative stress misc Dentistry
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title	A Case control study to evaluate oxidative stress in plasma samples of oral malignancy
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title_full	A Case control study to evaluate oxidative stress in plasma samples of oral malignancy
author_sort	Kumar Chandan Srivastava
journal	Contemporary Clinical Dentistry
journalStr	Contemporary Clinical Dentistry
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author_browse	Kumar Chandan Srivastava Ravi David Austin Deepti Shrivastava S Sethupathy S Rajesh
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title_sort	case control study to evaluate oxidative stress in plasma samples of oral malignancy
callnumber	RK1-715
title_auth	A Case control study to evaluate oxidative stress in plasma samples of oral malignancy
abstract	Background: Imbalances between the oxidant -antioxidant status have been implicated in the pathogenesis of several diseases, including cancer. Aim: The aim of this study was to evaluate the extent of lipid peroxidation and antioxidants in the venous blood samples of oral squamous cell carcinoma patients of different Clinicopathologic stages in comparison with the healthy controls. Setting and Design: A Case control study was designed in a hospital (Rajah Muthiah Dental College and Hospital, Annamalai University) based setting. Materials and Methods: Twenty new histopathologically proven oral carcinoma patients, and equal number of age, sex and habit matched healthy subjects were recruited for this study. Their blood samples were subjected to evaluation of Thiobarbituric Acid Reactive Substances (TBARS) and antioxidant enzymes, namely, superoxide dismutase (SOD), Catalase (CAT) reduced glutathione (GSH) and glutathione peroxidase (GPx) using spectrophotometric methods. Statistical Analysis: The data are expressed as mean±SD. The statistical comparisons were performed by independent Student′s t-test and One Way ANOVA. P value <0.05 was considered statistically significant. Karl Pearson correlation was performed for the biochemical parameters within the group and between the groups. For statistically significant correlations, linear regression was performed. Results: Significant enhanced lipid peroxidation (P<0.001) with decrease in antioxidants (P<0.001) was observed in the venous blood of oral squamous cell carcinoma patients as compared with the healthy controls. Accordingly, significant (P<0.001) pattern of progression in TBARS levels was observed at various clinical stages of patients. (GSH) showed significant (P<0.01) negative correlation with TBARS and positive correlation (P<0.001) with SOD. On linear regression analysis, GSH showed significance for SOD (P<0.001), GPx, CAT and TBARS (P<0.01). It was also found that, 70% of variance in SOD can be attributed to the influence of GSH alone. Conclusion: Enhanced lipid peroxidation and compromised antioxidant defense in plasma indicate development of oxidative stress. Amongst the antioxidant enzymes, (GSH) appears to have a profound role in carcinogenesis.
abstractGer	Background: Imbalances between the oxidant -antioxidant status have been implicated in the pathogenesis of several diseases, including cancer. Aim: The aim of this study was to evaluate the extent of lipid peroxidation and antioxidants in the venous blood samples of oral squamous cell carcinoma patients of different Clinicopathologic stages in comparison with the healthy controls. Setting and Design: A Case control study was designed in a hospital (Rajah Muthiah Dental College and Hospital, Annamalai University) based setting. Materials and Methods: Twenty new histopathologically proven oral carcinoma patients, and equal number of age, sex and habit matched healthy subjects were recruited for this study. Their blood samples were subjected to evaluation of Thiobarbituric Acid Reactive Substances (TBARS) and antioxidant enzymes, namely, superoxide dismutase (SOD), Catalase (CAT) reduced glutathione (GSH) and glutathione peroxidase (GPx) using spectrophotometric methods. Statistical Analysis: The data are expressed as mean±SD. The statistical comparisons were performed by independent Student′s t-test and One Way ANOVA. P value <0.05 was considered statistically significant. Karl Pearson correlation was performed for the biochemical parameters within the group and between the groups. For statistically significant correlations, linear regression was performed. Results: Significant enhanced lipid peroxidation (P<0.001) with decrease in antioxidants (P<0.001) was observed in the venous blood of oral squamous cell carcinoma patients as compared with the healthy controls. Accordingly, significant (P<0.001) pattern of progression in TBARS levels was observed at various clinical stages of patients. (GSH) showed significant (P<0.01) negative correlation with TBARS and positive correlation (P<0.001) with SOD. On linear regression analysis, GSH showed significance for SOD (P<0.001), GPx, CAT and TBARS (P<0.01). It was also found that, 70% of variance in SOD can be attributed to the influence of GSH alone. Conclusion: Enhanced lipid peroxidation and compromised antioxidant defense in plasma indicate development of oxidative stress. Amongst the antioxidant enzymes, (GSH) appears to have a profound role in carcinogenesis.
abstract_unstemmed	Background: Imbalances between the oxidant -antioxidant status have been implicated in the pathogenesis of several diseases, including cancer. Aim: The aim of this study was to evaluate the extent of lipid peroxidation and antioxidants in the venous blood samples of oral squamous cell carcinoma patients of different Clinicopathologic stages in comparison with the healthy controls. Setting and Design: A Case control study was designed in a hospital (Rajah Muthiah Dental College and Hospital, Annamalai University) based setting. Materials and Methods: Twenty new histopathologically proven oral carcinoma patients, and equal number of age, sex and habit matched healthy subjects were recruited for this study. Their blood samples were subjected to evaluation of Thiobarbituric Acid Reactive Substances (TBARS) and antioxidant enzymes, namely, superoxide dismutase (SOD), Catalase (CAT) reduced glutathione (GSH) and glutathione peroxidase (GPx) using spectrophotometric methods. Statistical Analysis: The data are expressed as mean±SD. The statistical comparisons were performed by independent Student′s t-test and One Way ANOVA. P value <0.05 was considered statistically significant. Karl Pearson correlation was performed for the biochemical parameters within the group and between the groups. For statistically significant correlations, linear regression was performed. Results: Significant enhanced lipid peroxidation (P<0.001) with decrease in antioxidants (P<0.001) was observed in the venous blood of oral squamous cell carcinoma patients as compared with the healthy controls. Accordingly, significant (P<0.001) pattern of progression in TBARS levels was observed at various clinical stages of patients. (GSH) showed significant (P<0.01) negative correlation with TBARS and positive correlation (P<0.001) with SOD. On linear regression analysis, GSH showed significance for SOD (P<0.001), GPx, CAT and TBARS (P<0.01). It was also found that, 70% of variance in SOD can be attributed to the influence of GSH alone. Conclusion: Enhanced lipid peroxidation and compromised antioxidant defense in plasma indicate development of oxidative stress. Amongst the antioxidant enzymes, (GSH) appears to have a profound role in carcinogenesis.
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title_short	A Case control study to evaluate oxidative stress in plasma samples of oral malignancy
url	https://doi.org/10.4103/0976-237X.103617 https://doaj.org/article/d70fb2265f054e858444b1dfe71cde0d http://www.contempclindent.org/article.asp?issn=0976-237X;year=2012;volume=3;issue=3;spage=271;epage=276;aulast=Srivastava https://doaj.org/toc/0976-237X https://doaj.org/toc/0976-2361
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