{"id":17704,"date":"2017-12-21T11:18:25","date_gmt":"2017-12-21T11:18:25","guid":{"rendered":"http:\/\/biomedpharmajournal.org\/?p=17704"},"modified":"2018-08-21T06:37:10","modified_gmt":"2018-08-21T06:37:10","slug":"the-intake-of-inocarpus-fagiferus-fosb-stem-bark-n-buthanol-extract-caused-the-increase-expression-of-sod-2-and-sod-3-aortic-endhotelial-cells-of-hypercholesterolemia-rats","status":"publish","type":"post","link":"https:\/\/biomedpharmajournal.org\/staging\/vol10no4\/the-intake-of-inocarpus-fagiferus-fosb-stem-bark-n-buthanol-extract-caused-the-increase-expression-of-sod-2-and-sod-3-aortic-endhotelial-cells-of-hypercholesterolemia-rats\/","title":{"rendered":"The Intake of Inocarpus Fagiferus Fosb Stem Bark N-Buthanol Extract Caused the Increase Expression of Sod-2 and Sod-3 Aortic Endhotelial Cells of Hypercholesterolemia Rats"},"content":{"rendered":"

Introduction<\/strong><\/p>\n

Inocarpus fagiferus<\/em> Fosb etnobotanically is used to prevent ischaemic heart disease and atherosclerosis (Sotheeswaran and Sharif, 1994). As early study that the ethanol extract of gayam stem bark contained total flavonoids and phenols compounds. They are potent to free radicals scavenger DPPH and able to inhibit the formation of lipid peroxide (Santi and Sukadana, 2015). In doses of 50 mg\/kg bw, the n-buthanol extract of gayam stem bark were evidenced by increasing the SOD activity, decreasing of the plasm total cholesterol, triglyceride, and malondialdehide levels, but in dose of 100 mg\/kg bw it decreasing of the LDL cholesterol and increasing the plasm HDL cholesterol levels in the hypercholesterolemia wistar rats. \u00a0(Santi et al., 2015). This extract also able to decreases the 8-OHdG level blood serum and expression of ICAM-1 aortic endhotelial cell significantly in doses of 100 mg\/kg bw, are biomarker early occured to atherosclerosis (Santi and Sukadana, 2016). Therefore, the n-buthanol extract of gayam stem bark was a source of exogenous antioxidants so that it is expected to trigger SOD’s endogenous antioxidant such as SOD-2 and SOD-3 expression of aortic endothelial cells, are \u00a0atherosclerotic biomarkers (Fukai et al., 1999; Landmesser et al., 2000; Chan, 2001; Stralin and Marklund, 2001; Fukai et al., 2002; Zelko et al., 2002). Endogenous antioxidants SOD reacts with ROS as a response of the body to prevent the formation of free radical molecules resulting in a decrease in the expression of new SOD (Fukai et al., 2002; Faraci and Didion, 2004). The mechanism is an endogenous antioxidation of SOD by breaking the chain reactions that convert the unstable and reactive superoxide anion into a more stable form of hydrogen peroxide (H2<\/sub>O2<\/sub>), oxygen (O2<\/sub>), and water (H2<\/sub>O).<\/p>\n

This study discusses the differences in the expression of SOD-2 and SOD-3 of each treatment group compared with the control group of hypercholesterolemia, as the marker of antioxidant in mitochondria cell and extracellular respectivelly of aortic endothelial cell.<\/p>\n

Materials <\/strong>a<\/strong>nd Methods<\/strong><\/p>\n

Materials and Instruments<\/strong><\/p>\n

The plant material was obtained from a place in Bali. Chemicals and equipment which were used to preparation of n-buthanol extract as early reported (Santi et al., 2015). While, the material that was required to immunohistochemical analysis was aorta endhotel of Wistar rat and chemicals as early reported except primary antibody such as \u00a0Rabbit Anti-SOD-2 Polyclonal Antibody<\/em> (Bioss, Cat. bs-1080R) and Rabbit Anti-SOD-3 Polyclonal Antibody<\/em> (Bioss, Cat. bs-3895R.<\/p>\n

Methods<\/strong><\/p>\n

Preparation of n-buthanol <\/strong>E<\/strong>xtract of <\/strong>G<\/strong>ayam <\/strong>S<\/strong>tem <\/strong>B<\/strong>ark and its <\/strong>A<\/strong>pplication on <\/strong>W<\/strong>istar <\/strong>R<\/strong>ats<\/strong><\/p>\n

Procedure to prepared of n-buthanol extract of gayam stem bark and its application on 5 groups wistar rats as early reported (Santi et al., 2015). The observation was conducted until 16 weeks, after that aorta of all of the rats such as the control groups (P0<\/sub> and P1<\/sub>) and the treatment groups (P2<\/sub>, P3<\/sub>, and P4<\/sub>) were drawn for expression SOD-2 and SOD-3 analyses. The difference of all variables were analyzed by one way Anova with a = 0.05.<\/p>\n

Results <\/strong>a<\/strong>nd Discussion<\/strong><\/p>\n

Expression of SOD-2 Aortic Endhotelial Cell<\/strong><\/p>\n

Figures 1 describe the average and an overview of positive expression of SOD-2 rat aortic endothelial cells based on immunohistochemical analysis using Rabbit Anti-SOD-2 polyclonal antibody cell marked brown on the edges or the cell nucleus as presented in Figure 2. In normal condition (Po) wistar rats expressed SOD-2 average 7.5 cells, while in hypercholesterolemia condition occured to increasing expression (P1<\/sub>). Stress oxidative condition will trigger to endogenous antioxidant SOD-2 as a resistance effort from radical ions attact, therefore its characteristic subselular of SOD-2 as first defense toward oxidative stress (Packer, 2002). In groups P2<\/sub> i.e: treatment of hypercholesterolemia added n-butanol extract gayam stem bark in doses of 50 mg\/kg bw shown increasing \u00a0expression significantly toward P1 <\/sub>(p<\/em><0.05) which exogenous antioxidants appear to trigger sub-cellular expression of SOD-2 in endothelial cells. The avaerage of expression in groups P3<\/sub> increase significantly (p<\/em><0.05) toward P1<\/sub> but not with in groups P2<\/sub> (p<\/em>>0.05). Although doses in P3<\/sub> increased but it not effect to expression endogenous antioxidant. The possibility of these was caused by doses of exogenous antioxidant that was given to rat was not enough to catched a free radical attack so that the expression of SOD-2 not significantly. On the other hand in the P4<\/sub> group, larger doses actually lowered the expression of SOD-2, this is probably due to the reduced amount of free radical ions in the body of the rats so that the endogenous expression of SOD-2 decreases as presented in Figure 1.<\/p>\n\n\n\n
\u00a0\"Figure<\/td>\nFigure 1: The average of SOD-2 expression of treatment groups (P2<\/sub>, P3<\/sub>, and P4<\/sub>) toward P1<\/sub>.<\/strong><\/p>\n

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Click here to View figure<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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\u00a0\"Figure<\/td>\nFigure 2: Aortic Endothelial Cells which Expression of the SOD-2<\/strong><\/p>\n

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Click here to View figure<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Expression of SOD-3 Aortic Endhotelial<\/strong><\/p>\n

The average and description of expression SOD-3 positive of rat aortic endothelial cells for control and treatment groups based on immunohistochemical analysis using Rabbit Anti-SOD-3 polyclonal antibodies are presented in Figure 3 and \u00a0Figure 4. SOD-3 endogenous antioxidants are not expressed in endothelial cells but are extracellularly present and expressed in all blood vessel walls especially between endothelial and vascular muscles (Sandstrom et al., 1992; Stralin et al., 1995; Oury et al., 1996; and Fukai et al., 2002). However, oxidative stress conditions such as in the treatment of P1<\/sub> endothelial cells still to expressed SOD-3 as a defense against the condition, but the effect of external antioxidant intake as well as in the treatment group P2 <\/sub>and P3<\/sub> gives increased expression of SOD-3 but not significantly. \u00a0As shown in Figure 3, the expression of SOD-3 in the P2<\/sub> and P3<\/sub> groups did not give significantly difference toward P1 group (p<\/em>>0.05), even with hypercholesterolemia conditions given exogenous antioxidants in doses of 50 and 100 mg\/ kg bw. But in larger doses (P4<\/sub>) of 150 mg\/ kg bw it appears that the average SOD-3 expression decreases as well as under normal conditions P0<\/sub>.<\/p>\n\n\n\n
\u00a0\"Figure<\/td>\nFigure 3: The average of SOD-3 expression of treatment groups (P2<\/sub>, P3<\/sub>, and P4<\/sub>) toward P1<\/sub>.<\/strong><\/p>\n

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Click here to View figure<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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\u00a0\"Figure<\/td>\nFigure 4: Aortic Endothelial Cells which Expression of the SOD-3<\/strong><\/p>\n

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Click here to View figure<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Antioxidant compounds in n-buthanol extract of gayam stem bark as like flavonoid and phenol can induce endogenous antioxidant SOD-2 in the endothelial cell so that it can expressed high but it can not expressed for SOD-3.<\/p>\n

Conclusions <\/strong><\/p>\n

The n-buthanol extract of Inocarpus fagiferus Fosb stem bark potent to prevent atherosclerosis through increasing of SOD-2 expression aortic endothelial cells significantly (p<\/em><0.05) in the hypercholesterolemia wistar rats in the doses of 50 mg\/kg bw, but it not significantly (p<\/em>>0.05) for SOD-3 expression.<\/p>\n

Acknowledgment<\/strong><\/p>\n

We would like to express our gratitude to RISTEKDIKTI that provided us the fund throughout Hibah Fundamental (2017) and the Rector of Udayana University through the Head of LPPM that facilitated our research.<\/p>\n

References<\/strong><\/p>\n

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