We assessed the effect of surimi gel, which is prepared from the king oyster mushroom (pleurotus eryngii) and cuttlefish meat paste (KCP) on lipid metabolism and antioxidant activity in high-cholesterol-fed rats. Three groups of 3-week-old male Sprague-Dawley rats were fed on a diet containing 1 g cholesterol/kg for 6 weeks. We administered only a high-cholesterol diet to the control group, one group was fed on surimi gel containing cuttlefish paste and king oyster mushrooms, and another group was fed with general boiled fish meat paste (GFP), which is commonly sold in marketplaces. Plasma and hepatic lipid profiles were measured, and the antioxidant status of the liver was assessed. The plasma triglyceride concentration did not differ significantly among the groups. Supplementation with KCP resulted in lower plasma and hepatic cholesterol concentrations and atherogenic index as compared to the control group and GFP, whereas the plasma high-density lipoprotein-cholesterol concentration was elevated. Moreover, the KCP-supplemented animals evidenced greater bile acid excretion. The KCP groups evidenced significantly lower plasma and hepatic levels of thiobarbituric acidreactive substances as compared to the control group. Besides, hepatic antioxidant enzyme activities, including catalase and superoxide dismutase, were significantly higher in the KCP group. In conclusion, KCP was quite effective in improving the lipid metabolism and reducing oxidative stress by upregulating the hepatic antioxidant enzymes in high-cholesterol-fed rats.
Objective : The purpose of this study is to investigate the antioxidant activities of Alismatis Rhizoma herbal acupuncture by experimental methods. Methods : For this purpose, first, we put an emphasis in the control of enzymes of the antioxidant system in various changes inside the cell; these changes caused by the proliferation or the activation of the cell which were brought about by the handling of PMA and $TNF-{\alpha}$ into the THP-1 monocyte cell of the body each other. After that, we caused the acute oxidant symptom by the injection of AAPH into the mouse' abdominal cavity, and then applied the herbal acupuncture on S36 point(足三里), and finally, we measured the change of blood ingredient and the resistance against the activated oxygen of the red blood cell membrane, MDA, SOD, and catalase. Results : In vitro the revelation of $IL-1{\beta}$, IL-8, $TNF-{\alpha}$, NOS II and IL-6 were decreased and the revelation of IL-10, $TGF-{\beta}$, GM-CSFIL-12, GM-CSF and SOD were increased. The DNA-binding of $NF-{\kappa}B$ and AP-1 were activated and the formation of ROS in the THP-1 cell line was decreased. In vivo $IL-1{\beta}$ among producing the cytokine inside the plasma was meaningfully dwindled and the $INF-{\gamma}$ was meaningfully increased. The resistance of red blood cell membrane against the activated oxygen was meaningfully increased and the MDA formation was meaningfully dwindled, In the activation of hepatic antioxidase, the SOD was meaningfully increased. Conclusion : Alismatis Rhizoma herbal acupuncture by experimental methods has effected on the antioxidant activities.
Acetaminophen (N-acety1-p-aminophenol, paracetamol) is widely used as an over-the-counter analgesic and antipyretic drug. Intake of a over dose of acetaminophen may result in severe hepatic necrosis. In this study, we investigated the liver damage in mice using single dose (300 mg/kg) of acetaminophen and the possible protective effects of administration (50-200 mg/kg body weight) of SB-Ex on acetaminophen-induced liver damage in mice. The alanine aminotransferase (ALT), and aspartate aminotransferase (AST) activities were determined in the plasma of mice. The effect of SB-Ex on lipid peroxidation product thiobarbituric reacting substances (TBARS) and some antioxidant enzymes superoxide dismutase (SOD), catalase, d-aminolevulinate dehydratase (${\sigma}$-ALA-D) activities, and gluthathione peroxidase (GPx), were also evaluated in the mouse liver homogenate. Acetaminophen caused liver damage as evident by statistically significant increased in plasma activities of AST and ALT. There were general statistically significant losses in the activities of SOD, catalase, ${\sigma}$-ALA-D, and GPx and an increase in TBARS in the liver of acetaminophen-treated group compared with the control group. However, SB-Ex was able to counteract these effects. These results suggest that SB-Ex can act as hepatoprotectives against acetaminophen toxicity and is a good candidate for further evaluation as an effective chemotherapeutic agent.
Kim Cheol-Ho;Cheon Sung-Hwa;Bhak Jong-Sik;Kim Nam-Cheol;Kang Chung-Boo
Korean Journal of Veterinary Service
/
v.29
no.3
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pp.347-364
/
2006
This study is concerned with assessment of diethylnitrosamine (DEN 0.01 %) induced liver cell carcinogenesis by measurement of changes preceding the development of neoplasms. Therefore, it was undertaken to investigate changes of liver-specific enzyme activities in Sprague-Dawley (SD) rats by ad libitum feeding of DEN. And also. the changes of hepatic morphology in SD rats were detected by haematoxylineosin stain and immunohistochemistry (PCNA). 5- Fluorouracil (5- FU) is one of the most widely used anticancer agents for digestive cancers including hepatocellular carcinoma, and is known to affect the cell cycle and induce apoptosis of cancer cells. In the present study, SD rats were given drinking water containing 0.01% diethylnitrosamine (DEN) for 8 weeks. Minor behavioral change, brittleness of hair and decreased amount of water and diet intake were observed in rats 4 weeks after DEN administration. The body and liver weights were significantly (p < 0.05) decreased in rats 11 weeks after DEN administration. The liver weight ratio to body weight was rather stable and not significantly decreased in the all treatment groups. The liver specific enzyme activities (AST, ALT, ${\gamma}$-GTP) were significantly increased in all treatment groups compared to control group (p < 0.05). Variable size of liver tumor and hepatomegaly were observed in rats treated with DEN after 10 weeks. Numerous vacuoles were seen on the midzonal and or peripheral areas of hepatic lobules. The large and polymorphological hepatocytes with eosinophilic cytoplasm or densely basophilic mitotic nucleoli were seen. Several proliferative small round cells were seen on vacuolated and necrotic areas in peripheral hepatic lobules or portal areas. PCNA-positive cells were seen on the vacuolated portal areas and peripheral areas of hepatic lobules in the areas of small round cells. We examined functional and morphological changes of livers by 5 - FU treatments on DEN -treated rat. The DEN -treated rats compared to 5 - FU -treated rats after DEN treatment for 8 weeks. The serum total protein and triglyceride were significantly (p < 0.05) decreased, and the liver enzyme activities of AST and ALT were significantly(p < 0.05) increased. After 8 weeks, in the non-5-FU -treated group, the size of liver tumor were varied and hepatomegaly were observed, hepatocellular vacuolization, necrosis and steatosis were observed on the midzonal and peripheral areas of hepatic lobules. The large and polymorphological hepatocytes were seen, the interlobular connective tissues were proliferated. PCNA positive cells were seen in the portal areas and peripheral areas of hepatic lobules in the non-5-FU-treated group. In hepatocytes, condensation of nuclear chromatin and vacuolization were observed, shape of the nuclei were irregular, the degraded nuclei and organelles were observed. The livers of rats in the 5 - FU treatment group were seen grossly brilliant, red-brown color, and the vacuolated and degenerated regions, hyperplastic nodules were not nearly observed. In the electron microscope, the cytoplasm of the hepatocytes contained a large number of mitochondria, rough endoplasmic reticulum, developed organelles surrounding nuclei. The above findings suggest that 5 - FU will be effective as anti -liver tumor drug.
Kang, Mi Young;Lee, Soo Hyun;Lee, Sang Won;Cha, Sun Woo;Song, Jae Lim;Lee, Sang Chul
Korean Journal of Plant Resources
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v.28
no.5
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pp.600-607
/
2015
In vitro and in vivo experiments using Achyranthis radix and Drynariae rhizoma extracts were conducted. Antioxidant properties were analyzed and the effects on bone, glucose and lipid metabolism were investigated. Drynariae rhizoma (64.67%) obtained higher DPPH radical scavenging activity compared to Achyranthis radix (19.03%). Similar results were obtained in the reducing power. No differences were observed on the ABTS radical scavenging ability and SOD. In contrast, Achyranthis radix (77.60%) has higher chelating ability compared to Drynariae rhizoma (46.21%). In vivo experiments revealed higher plasma TBARS in OVX-DR than in OVX-AR. Opposite result was seen in erythrocyte TBARS. Hepatic, nephritic and erythrocyte enzymes were considered for the antioxidant enzyme activities. GSH-Px and PON of hepatic enzymes were higher in OVX-AR. While the CAT and GR were higher in OVX-DR. SOD, GSH-Px, GR and PON of nephritic enzymes of OVX-DR were higher compared to OVX-AR. Almost similar values were obtained in CAT using both extracts. The OVX treated rats obtained higher CAT and GR in the erythrocyte enzymes compared to SHAM. The SOD of erythrocyte enzymes in OVX-DR was higher compared to OVX-AR. On the other hand, the GSH-Px was higher in OVX-AR.
Journal of the Korean Society of Food Science and Nutrition
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v.32
no.8
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pp.1337-1343
/
2003
Diabetes mellitus has been known to be a state of increased oxidative stress. Free radical formation and lipid peroxidation are accelerated in this metabolic disorder. Buchu (Allium tuberosum Rottler) contains lots of antioxidative nutrients such as chlorophyll, vitamin C, $\beta$-carotene, phenolic compounds and sulfur compounds. To investigate the protective effects of buchu, 10% lyophilized buchu diet was fed to streptozotocin (STZ)-induced diabetic rats for 14 weeks and lipid peroxidation, protein oxidation, contents of reactive oxygen species, activities of antioxidative enzymes and contents of accumulated lipofuscin were measured as indicators of oxidative stress. Hepatic MDA and carbonyl contents tended to decrease in 10% buchu diet group compared with control group. Dietary buchu significantly suppressed lipid and protein oxidation in the skin of rats (p<0.05). Contents of hepatic hydroxyl radicals, which exert the highest toxicity among the reactive oxygen species, were significantly decreased in rats fed 10% buchu diet (P<0.05). Activities of antioxidative enzyme, such as superoxide dismutase, catalase, and glutathione peroxidase, tended to increase in liver and skin of rats fed 10% buchu diet, while hepatic catalase activity was significantly increased in buchu group compared with control group. Buchu supplementation significantly inhibited the accumulation of lipofuscin, an end-product of lipid peroxidation reactions induced by reactive oxygen radicals, in eye tissues compared with control diet (p<0.001). In conclusion, buchu supplementation diminished the oxidative stress, so dietary buchu could help to attenuate diabetes complications.
Effects of fermented milk, $Kupffer's^{\circledR}$, intake on hepatic antioxidative systems were investigated in rats fed ethanol (3 g/kg B.W.) for 2 weeks. Serum AST and ALT were $88.7{\pm}6.5\;and\;41.2{\pm}4.1IU/L$ in control group, $114.6{\pm}7.1\;and\;64.7{\pm}3.8IU/L$ in alcohol group, and $94.0{\pm}5.5\;and\;44.7{\pm}5.3IU/L$ in fermented milk (FM) group, respectively. Fermented milk intake decreased hepatic glutathione peroxidase and superoxide dismutase activities of FM group to level of control group (p<0.05). Glutathione S-transferase activity of fermented milk group increased by 122% compared to control group. These results suggest antioxidative activities of lactic acid bacteria and ingredients in $Kupffer's^{\circledR}$ improve antioxidative system in alcohol-treated rats.
Journal of the Korean Society of Food Science and Nutrition
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v.33
no.6
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pp.973-980
/
2004
To evaluate the antioxidative effect of rice coated with maengjong-juk extract in vivo system, rice coated with maengjong-juk extract diets were fed to NZW rabbit for 16 weeks and lipid peroxidation, protein oxidation, activities of antioxidative enzymes and total glutathione content in tissues were measured. TBARS contents in liver and spleen were significantly decreased in maengjong-juk extract diet group compared to control group, while those in kidney and heart tissue were not significantly different. Maengjong-juk extract diet suppressed the protein oxidation significantly in liver, spleen, kidney and heart tissues. Hepatic total SOD, Cu$.$Zn-SOD and Mn-SOD activities of maengjong-juk extract diets were significantly higher than those of control diet. GSH-Px and catalase activities of maengjong-juk extract diet were higher than those of control, while GR activities show no significant difference between the two groups. Total hepatic glutathione content was significantly increased by maengjong-juk extract diet. According to this study, many antioxidative materials and phytochemicals in maengjong-juk extracts seems to protect tissues from oxidative stress by stimulating antioxidative systems in atherosclerotic rabbit fed high cholesterol diet.
Adisa, Rahmat Adetutu;Kolawole, Naimat;Sulaimon, Lateef A.;Brai, Bathlomew;Ijaola, Abraham
Toxicological Research
/
v.35
no.1
/
pp.13-24
/
2019
Numerous ethnomedicinal uses have been attributed to different parts of Annona senegalensis (ASE), including its uses as food and food additives. The present study investigated toxicological and antioxidant effects of 28 days administration of ethanol extracts of ASE stem bark to Wistar strain albino rats. Acute toxicity test was done to determine lethal dose in Wistar rats while sub-acute toxicity test was conducted on rats divided into four groups (A - control, B - 50 mg/kg, C - 100 mg/kg, D - 150 mg/kg, respectively and treated for 28 days. Oxidative stress markers in liver and kidney as well as hepatic succinate dehydrogenase activity in the mitochondrial and post mitochondrial fractions (PMF) were evaluated. The $LD_{50}$ value of ASE was > 2,000 mg/kg. White blood cell counts gradually increased, but red blood cell counts and haematocrits level decreased significantly (p < 0.05) by about 50%. Liver enzymes in the serum and mitochondrial succinate dehydrogenase activity increased significantly (p < 0.05). Superoxide dismutase and catalase activities also increased in liver mitochondria and PMF while malondialdehyde (MDA) and reduced glutathione levels increased only in the PMF. Furthermore, only MDA levels increased significantly in the kidney after 28 days extract administration. Histopathological examination showed hepatic necrosis and no obvious signs of nephrotoxicity. Anona senegalensis is relatively safe, but prolonged ingestion could induce oxidative stress and impair ATP synthesis through the modulation of the activity of mitochondrial succinate dehydrogenase.
The objective of the current study was to investigate the effects of dietary ${\omega}-6/{\omega}-3$ polyunsaturated fatty acid (PUFA) ratios on lipid metabolism in goslings. One hundred and sixty 21-day-old Yangzhou geese of similar weight were randomly divided into 4 groups. They were fed different PUFA-supplemented diets (the 4 diets had ${\omega}-6/{\omega}-3$ PUFA ratios of 12:1, 9:1, 6:1, or 3:1). The geese were slaughtered and samples of liver and muscle were collected at day 70. The activities and the gene expression of enzymes involved in lipid metabolism were measured. The results show that the activities of acetyl coenzyme A carboxylase (ACC), malic enzyme (ME), and fatty acid synthase (FAS) were lower (p<0.05), but the activities of hepatic lipase (HL) and lipoprotein lipase (LPL) were higher (p<0.05), in the liver and the muscle from the 3:1 and 6:1 groups compared with those in the 9:1 and 12:1 groups. Expression of the genes for FAS (p<0.01), ME (p<0.01) and ACC (p<0.05) were higher in the muscle of groups fed diets with higher ${\omega}-6/{\omega}-3$ PUFA ratios. Additionally, in situ hybridization tests showed that the expression intensities of the high density lipoprotein (HDL-R) gene in the 12:1 and 9:1 groups were significantly lower (p<0.01) than that of the 3:1 group in the muscle of goslings. In conclusion, diets containing lower ${\omega}-6/{\omega}-3$ PUFA ratios (3:1 or 6:1) could decrease fat deposition by inhibiting fat synthesis in goslings.
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