Di Zhang;Heesung Shin;Tingting Wang;Yaxin Zhao;Suwon Lee;Chongyoon Lim;Shiqi Zhang
Journal of Microbiology and Biotechnology
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v.33
no.8
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pp.1030-1038
/
2023
Lactiplantibacillus plantarum, previously named Lactobacillus plantarum, is a facultative, homofermentative lactic acid bacterium widely distributed in nature. Several Lpb. plantarum strains have been demonstrated to possess good probiotic properties, and Lpb. plantarum HOM3204 is a potential probiotic strain isolated from homemade pickled cabbage plants. In this study, whole-genome sequencing was performed to acquire genetic information and predict the function of HOM3204, which has a circular chromosome of 3,232,697 bp and two plasmids of 48,573 and 17,060 bp, respectively. Moreover, various oxidative stress-related genes were identified in the strain, and its antioxidant activity was evaluated in vitro and in vivo. Compared to reference strains, the intracellular cell-free extracts of Lpb. plantarum HOM3204 at a dose of 1010 colony-forming units (CFU)/ml in vitro exhibited stronger antioxidant properties, such as total antioxidant activity, 2,2-diphenyl-1-picrylhydrazyl radical scavenging rate, superoxide dismutase activity, and glutathione (GSH) content. Daily administration of 109 CFU Lpb. plantarum HOM3204 for 45 days significantly improved the antioxidant function by increasing the glutathione peroxidase activity in the whole blood and GSH concentration in the livers of D-galactose-induced aging mice. These results suggest that Lpb. plantarum HOM3204 can potentially be used as a food ingredient with good antioxidant properties.
Kim, Seong-Yong;Chung, Jae-Yong;Kim, Jae-Ryong;Kim, Jung-Hye
Journal of Yeungnam Medical Science
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v.11
no.2
/
pp.262-269
/
1994
Glutathione (GSH) is a well-known antioxidative cellular component which is ubiquitous in nature. Several enzymes involved in GSH metabolism and recycling have been found to play important roles in detoxification of xenobiotics and free radicals. In this study, total GSH content, activity of GSH peroxidase and GSH reductase were measured in liver and kidney of cisplatin treated rats. Total GSH content (mM/g protein) of liver was higher in cisplatin treated rats ($1.51{\pm}0.28$) than of nontreated control ($0.95{\pm}0.28$), and in kidney, it was also higher in cisplatin treated rats ($0.87{\pm}0.20$) than that of control ($0.68{\pm}0.14$). The activity of GSH peroxidase (${\mu}M/mg$ protein/min) was lower in liver of cisplatin treated rats ($348.0{\pm}18.54$) than that of control ($415.5{\pm}53.15$), in kidney it was increase din cisplatin treated rats ($380.5{\pm}51.86$) compared to control ($327.3{\pm}20.36$). The activity of GSH reductase (${\mu}M/mg$ protein/min) was higher in liver of cisplatin treated rats ($3.09{\pm}0.88$) than that of control ($2.28{\pm}0.61$), in kidney it was also higher in cisplatin treated rats ($8.50{\pm}2.62$) than that of control ($3.30{\pm}1.10$). In summary, detoxification of ciplatin was revealed lesser effect in kidney as show increasion of GSH peroxidase and reductase and detoxification of cisplatin was expressed effectively in liver by increasing of GSH content and decreasing GSH peroxidase.
Seo Hyung Ho;Jung Tae Sung;Lee Eun Sil;Shin Son Moon;Park Yong Hoon;Kim Yong Jin
Childhood Kidney Diseases
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v.3
no.1
/
pp.35-41
/
1999
Purpose The single administration of PAN(Puromycin-Aminonudeoside) to rats results in nephropathy that are similar to human minimal change nephrotic syndrome. Recently several studies indicate the pathophyslological importance of oxygen free radicals in rats with PAN-induced nephrosis. This study was conducted to evaluate the effect of $\alpha$-tocopherol, an oxygen free radical scavenger, on the histologic and biochemical changes of PAN-induced nephrosis in rats. Methods : Twenty-one Sprague-Dawley rats weighing 180-300 gm were divided into 3 groups. In group I (control group), the rats were given saline intraperitoneally for 12 days, in group II the rats were given PAN 7.5mg/100g of body weight intravenously one time and group III PAN intravenously, followed by $\alpha$-tocopherol 0.5 mg/100g of body weight jntramuscularly for 12 days. Twenty four hour urinary protein and creatinine excretion were measured on day 0, 5, 11 and 18. On the 18th day, rats were sacrificed for the determination of total serum protein, albumin and cholesterol levels. To estimate renal injuries by oxygen free radical, lipid peroxide concentration and reduced glutathione were measured in renal cortex. Histological examination in rat glomerular lesions were performed. Results : From the 5th days of PAN administration, urine protein/creatinine of group II and III were significantly increased compared the group I (P<0.05). But, urine protein/creatinine of group III was significantly lower than group II at 18th days (P<0.05). Total serum protein and albumin of group II were significantly lower than those of group III (P<0.05). Serum cholesterol of group II was significantly higher than that of group III (P<0.05). Lipid peroxide and reduced glutathione in renal cortex of group II were significantly higher than that of group I and III (P<0.05). Electron microscopic strudies of group II showed the loss of epithelial foot processes, but in group III showed preservation of epithelial foot processes. Conclusion : PAN-induced nephropathy was ameliorated significant recovery of foot process change and reduction of the urinary protein excretion by antioxidant, $\alpha$-tocopherol.
Four-week-old male Korean native chicks (KNC) were assigned to 3 groups with 6 replicates (8 birds/replicate) in each group: a basal diet (CON, 100 ppm of Zn), basal diet fortified with 50 ppm of Zn with zinc oxide (ZnO), or basal diet fortified with 50 ppm of Zn with Zn-methionine (ZnM). Immediately after a 4-week-feeding trial, 6 birds per group were used to evaluate the effects of zinc supplements on antioxidant indicators and the mRNA expression of zinc transport genes. The nitrogen components, lipid peroxidation, and total antioxidant status in blood were not influenced by Zn fortified diets. However, the ZnM group showed a significant (P<0.05) increase in uric acid levels than those in the ZnO group. In the small intestine, superoxide dismutase (SOD) and glutathione peroxidase (GPX) activities, and malondialdehyde (MDA) level were unaffected by zinc supplements. The activity of glutathione S-transferase (GST) was significantly (P<0.05) enhanced by Zn-methionine supplementation. In the liver, the activity of GST was significantly (P<0.05) increased by Zn-methionine supplement without affecting SOD, GPX, and MDA levels. With respect to the mRNA expression of zinc transport genes, the ZnM group displayed a strong tendency for increases in intestinal ZnT-1 (P=0.09) and ZnT-5 (P=0.06) levels, compared to those in the CON group. Moreover, the ZnM group showed a tendency (P=0.10) for up-regulation of hepatic metallothionein mRNA as compared with the CON group. In conclusion, the Zn-fortified diet with 50 ppm of Zn-methionine helped to improve GST activity and Zn transport gene expression in the small intestine or liver of KNC.
Kim, Jong-Hyeong;Mamuad, Lovelia L.;Lee, Hyun-June;Ki, Kwang-Seok;Lee, Wang-Shik;Ha, Jong-K.;Lee, Sang-Suk
Asian-Australasian Journal of Animal Sciences
/
v.24
no.12
/
pp.1711-1717
/
2011
The objective of this experiment was to evaluate the effect of dietary supplementation of glutathione (GSH) on health, solid feed consumption, nutrient intake, body weight gain (BWG), feed efficiency, blood metabolites and the occurrence of diarrhea in Holstein neonatal calves. The calves were fed plain milk as a control (CON) or milk with GSH supplementation. Sixteen calves were separated from their mothers immediately after birth, moved into individual cages and fed colostrum for the first three days. For GSH supplementation, three grams of GSH powder were mixed in 1.8 L of heat-treated milk and placed in a plastic bottle with a rubber nipple. The calves were fed GSH-supplemented milk only once out of four daily feedings. For the first 25 d, calves were fed 1.8 L of milk four times per day. Milk feeding frequency was reduced to three times per day from days 26 to 30, followed by twice a day from days 31 to 44, and once a day from days 45 to 49, after which they were weaned at day 50. Body weight gain (BWG), feed consumption, and growth performance were monitored until day 70. The dietary supplementation of GSH had no effect on daily feed intake and growth performance in growing calves. Hematological results revealed red blood cell distribution width (RDW) was lower, and mean corpuscular volume (MCV) was significantly higher in calves fed GSH. Serum lactate dehydrogenase (LDH) concentrations were lower in calves fed GSH. Rectal temperature at day 70 was higher in calves that did not receive GSH, while mean frequency of diarrhea and enteritis was less in calves fed GSH. It is concluded from the present study that BW gain, total dry matter intake (DMI), feed efficiency, and breathing rate did not differ between groups. However, there were some positive blood parameters and the mean frequency of diarrhea and enteritis was less in calves fed GSH compared to CON which did not receive GSH. With the results obtained, supplementation of GSH is highly recommended.
To investigate the effects of different UV-B levels on growth and biochemical defense response in plants, cucumber plants were subjected to three levels of biologically effective ultraviolet-B $(UV-B_{BE})$ radiation [daily dose: 0.03 (No), 6.40 (Low) and $11.30\;(High)\;kJ{\cdot}m^{-2}$, $UV-B_{BE}$] in the growth chambers for 3 weeks during the early growth period. Enhanced UV-B radiation drastically decreased both dry weight and leaf area of cucumber. With increasing UV-B intensity, chlorophyll content was decreased, however the level of malondialdehyde was highly increased linearly. Total contents of ascorbic acid and glutathione were tended to increase by UV-B, while the ratios of dehydroascorbate/ascorbate and oxidized glutathione/reduced glutathione were significantly increased with increasing UV-B intensity in cucumber. All the enzyme activities investigated (superoxide dismutase, ascorbate peroxidase, dehydroascorbate reductase, guaiacol peroxidase etc.) in cucumber were increased by the UV-B enhancement. These results suggested that enhanced UV-B irradiation caused photooxidative stress in cucumber plant and resulted in significant reduction in plant growth. Biochemical protection responses might be activated to prevent the leaves from damaging effects of oxidative stress generated by UV-B irradiation.
We explored the effect of extracts of dried Platycodon grandiflorum on production of reactive oxygen species (ROS), glutathione (GSH) and nitric oxide (NO). To determine antioxidant activity in the presence of $H_2O_2$-induced oxidative stress, DCFH-DA (dichlorodihydrofluorescin diacetate) assay was employed. Acetone/methylene chloride (A+M) and methanolic (MeOH) extracts of P. grandiflorum reduced intracellular ROS levels. Of the various tested fractions, n-BuOH fraction showed the highest protective effect in terms of lipid peroxide production. Total GSH levels were measured after treatment of HT1080 cells with the A+M and MeOH extracts, and other solvent fractions, at various concentration. The A+M extacts and 85% (v/v) aqueous MeOH fraction significantly increased GSH levels (p<0.05). When lipopolysaccharide (LPS)-induced NO production was evaluated, all tested crude extracts, and fractions thereof, significantly reduced NO production (p<0.05), and the n-BuOH and 85% (v/v) aqueous MeOH fractions (at 0.05 mg/mL) showed the strongest inhibitory effects. The results showed that the n-BuOH fraction inhibited both cellular oxidation and NO production, and this fraction may thus contain valuable active compounds.
This study was conducted to evaluate the effect of dietary antioxidant and energy density on performance and antioxidative status in transition cows. Forty cows were randomly allocated to 4 dietary treatments in a $2{\times}2$ factorial design. High or low energy density diets (1.43 or 1.28 Mcal $NE_L$/kg DM, respectively) were formulated with or without antioxidant (AOX, a dry granular blend of ethoxyquin and tertiary-butylhydroquinone; 0 or 5 g/cow per d). These diets were fed to cows for 21 days pre-partum. During the post-partum period, all cows were fed the same lactation diets, and AOX treatment followed as for the pre-partum period. Feeding a high energy diet depressed the DMI, milk yield, and 4% fat-corrected milk (FCM) of cows. However, AOX inclusion in the diet improved the milk and 4% FCM yields. There was an interaction of energy density by AOX on milk protein, milk fat and total solids contents. Feeding a high energy diet pre-partum increased plasma glucose and ${\beta}$-hydroxybutyrate, whereas dietary AOX decreased plasma ${\beta}$-hydroxybutyrate value during the transition period. There were also interactions between time and treatment for plasma glutathione peroxidase activity and malondialdehyde content during the study. Cows fed high energy diets pre-partum had higher plasma glutathione peroxidase activity 3 days prior to parturition, compared with those on low energy diets. Inclusion of AOX in diets decreased plasma glutathione peroxidase activity in cows 3 and 10 days pre-partum. Addition of AOX significantly decreased malondialdehyde values at calving. Energy density induced marginal changes in fatty acid composition in the erythrocyte membrane 3 days post-partum, while AOX only significantly increased cis-9, trans-11 conjugated linoleic acid composition. The increase in fluidity of the erythrocyte membrane was only observed in the high energy treatment. It is suggested that a diet containing high energy density pre-partum may negatively affect the anti-oxidative status, DMI and subsequent performance. Addition of AOX may improve the anti-oxidative status and reduce plasma ${\beta}$-hydroxybutyrate, eventually resulting in improved lactation performance; the response to AOX addition was more pronounced on the high energy diet.
Objective: Epidemiology studies have reported conflicting results between glutathione S-transferase Mu-1 (GSTM1), glutathione S-transferase theta-1 (GSTT1) and glutathione S-transferase pi-1 (GSTP1) and ovarian cancer (OC) susceptibility. In this study, an updated meta-analysis was applied to determine whether the deletion of GSTM1, GSTT1 and GSTP1 has an influence on OC susceptibility. Methods: A published literature search was performed through PubMed, Embase, Cochrane Library, and Science Citation Index Expanded database for articles published in English. Pooled odds ratios (ORs) and 95% confidence intervals (95%CIs) were calculated using random or fixed effects models. Heterogeneity between studies was assessed using the Cochrane Q test and $I^2$ statistics. Sub-group analysis was conducted to explore the sources of heterogeneity. Sensitivity analysis was employed to evaluate the respective influence of each study on the overall estimate. Results: In total, 10 published studies were included in the final analysis. The combined analysis revealed that there was no significant association between GSTM1 null genotype and OC risk (OR=1.01, 95%CI: 0.91-1.12). Additionally, there was no significant association between GSTT1 genetic polymorphisms and OC risk (OR=0.98, 95% CI: 0.85-1.13). Similalry, no significant associations were found concerning the GSTP1 rs1695 locus and OC risk. Meanwhile, subgroup analysis did not show a significant increase in eligible studies with low heterogeneity. However, sensitivity analysis, publication bias and cumulative analysis demonstrated the reliability and stability of the current meta-analysis. Conclusions: These findings suggest that GSTs genetic polymorphisms may not contribute to OC susceptibility. Large epidemiological studies with the combination of GSTM1 null, GSTT1 null and GSTP1 Ile105Val polymorphisms and more specific histological subtypes of OC are needed to prove our findings.
Journal of the Korean Society of Food Science and Nutrition
/
v.32
no.6
/
pp.926-930
/
2003
Effects of powdered pine needle (Pinus densiflora seib et Zucc) on serum and liver lipid composition and antioxidative capacity were investigated in rat fed high oxidized fat. Sixty male Sprague-Dawley rats weighing 161.25$\pm$2.51 g were blocked into four groups according to body weight and raised seven weeks with basal diet (normal group, I), basal diet and 10% oxidized fat (control group, II), basal diet, 10% oxidized fat and 2% powdered pine needle (2% powdered pine needle group, III) and basal diet, 10% oxidized fat and 3% powdered pine needle (3% powdered pine needle group, IV). Food intake, body weight gain and feed efficiency were not significantly different among oxidized fat diet groups. The level of plasma total cholesterol showed a tendency to decrease, whereas the plasma HDL-cholesterol concentration revealed a tendency to increase in pine needle groups. However plasma triglyceride level showed no significant differences in the treatment groups. Intake of the oxidized fat has increased the levels of liver cholesterol and triglyceride. The powdered pine needle showed a tendency to decrease thiobarbituric acid values in plasma and liver. The pine needle samples have also decreased the plasma GOT and GPT activities, whereas they have increased the liver glutathione peroxidase activity.
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