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Volume 22, Issue 4, Pages (December 2015)

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1 Volume 22, Issue 4, Pages 165-173 (December 2015)
LC–ESI-MS/MS analysis of total oligomeric flavonoid fraction of Cyperus rotundus and its antioxidant, macromolecule damage protective and antihemolytic effects  Hemanth Kumar Kandikattu, P. Rachitha, K. Krupashree, G.V. Jayashree, Virat Abhishek, Farhath Khanum  Pathophysiology  Volume 22, Issue 4, Pages (December 2015) DOI: /j.pathophys Copyright © 2015 Elsevier B.V. Terms and Conditions

2 Fig. 1 LC–ESI-MS/MS of hydroalcoholic fraction of Cyperus rotundus.
Pathophysiology  , DOI: ( /j.pathophys ) Copyright © 2015 Elsevier B.V. Terms and Conditions

3 Fig. 2 Chemical structures of the compounds of Cyperus rotundus identified by LC–ESI-MS/MS analysis. Pathophysiology  , DOI: ( /j.pathophys ) Copyright © 2015 Elsevier B.V. Terms and Conditions

4 Fig. 3 (a) The protective effect of C. rotundus on 2,2′-azobis(2-amidinopropane) dihydrochloride induced plasmid DNA damage analysis by agarose gel electrophoresis. (b) The protective effect of C. rotundus on 2,2′-azobis(2-amidinopropane) dihydrochloride induced protein oxidation of bovine serum albumin analysed by polyacrylamide gel electrophoresis. (ii), The densitometric analysis of protein oxidation by NIH Image J software. *P<0.05 versus AAPH treated BSA. Pathophysiology  , DOI: ( /j.pathophys ) Copyright © 2015 Elsevier B.V. Terms and Conditions

5 Fig. 4 (a) The hemolytic effects of different concentrations of 2,2′-azobis(2-amidinopropane) dihydrochloride on erythrocytes. The results were analyzed by one-way ANOVA. *P<0.05 versus AAPH treated cells (n=5). (b) The antihemolytic effect of TOF fraction on 2,2′-azobis(2-amidinopropane) dihydrochloride induced hemolysis. The results were analyzed by one-way ANOVA. *P<0.05 versus AAPH treated cells (n=5). Pathophysiology  , DOI: ( /j.pathophys ) Copyright © 2015 Elsevier B.V. Terms and Conditions

6 Fig. 5 (A) The morphological observation of erythrocytes by light microscope (Olympus, Japan). (a) Control cells (b) erythrocytes treated with 100mM 2,2′-azobis(2-amidinopropane) dihydrochloride for 4h (c) erythrocytes treated with 50μg/mL TOF followed by 100mM 2,2′zobis(2-amidinopropane) dihydrochloride treatment for 4h. (B) The morphological observation and measurement of size and height of erythrocytes by Atomic force microscope analysis (NT-MDT, Russia). (a) Control cells (b) Erythrocytes treated with 100mM 2,2′-azobis(2-amidinopropane) dihydrochloride for 4h (c) Erythrocytes treated with 50μg/mL TOF followed by 100mM 2,2′-azobis(2-amidinopropane) dihydrochloride treatment for 4h. Pathophysiology  , DOI: ( /j.pathophys ) Copyright © 2015 Elsevier B.V. Terms and Conditions

7 Fig. 6 Cytotoxic effect of 2,2′-azobis(2-amidinopropane) dihydrochloride and its protective effect by TOF on erythrocytes analyzed by LDH assay. The results were analyzed by one-way ANOVA. *P<0.05 versus AAPH treated cells (n=5). Pathophysiology  , DOI: ( /j.pathophys ) Copyright © 2015 Elsevier B.V. Terms and Conditions

8 Fig. 7 (a) Estimation of ROS generation in erythrocytes on treatment with 2,2′-azobis(2-amidinopropane) dihydrochloride/TOF using a fluorescent probe 2′,7′-DCFH2DA. The results were analyzed by one-way ANOVA. #P<0.05 versus control cells. *P<0.05 versus AAPH treated cells (n=5). (b) Estimation of lipid peroxidation in erythrocytes on treatment with 2,2′-azobis(2-amidinopropane) dihydrochloride/TOF by MDA method. The results were analyzed by one-way ANOVA. #P<0.05 versus control cells. *P<0.05 versus AAPH treated cells (n=5). Pathophysiology  , DOI: ( /j.pathophys ) Copyright © 2015 Elsevier B.V. Terms and Conditions


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