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Heterologous Expression of Rhizopus Oryzae CYP509C12 Gene in Rhizopus Nigricans Enhances Reactive Oxygen Species Production and 11α-Hydroxylation Rate of 16α, 17-Epoxyprogesterone

Shen C, Gao X, Li T, Zhang J, Gao Y, Qiu L, Zhang G

The 11α-hydroxylation of 16α, 17-epoxyprogesterone (EP) catalyzed by Rhizopus nigricans is crucial for the steroid industry. However, lower conversion rate of the biohydroxylation restricts its potential industrial application. The 11α-steroid...
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Anti-oxidative Effect of Piperine from Piper nigrum L. in Caenorhabditis elegans

Park HM, Kim JH, Kim DK

Piper nigrum L. (Piperaceae), which is a well-known food seasoning, has been used as a traditional medicine for the treatment of vomiting, abdominal pain, diarrhea and anorexia in Korea, China...
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Cyclosporin A aggravates hydrogen peroxide-induced cell death in kidney proximal tubule epithelial cells

Moon D, Kim J

Cyclosporin A (CsA) does not only exert a toxic effect on kidney parenchymal cells, but also protects them against necrotic cell death by inhibiting opening of mitochondrial permeability transition pore....
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Improvement in histology, enzymatic activity, and redox state of the liver following administration of Cinnamomum zeylanicum bark oil in rats with established hepatotoxicity

Niknezhad , Sayad-Fathi S, Karimzadeh A, Ghorbani-Anarkooli M, Yousefbeyk F, Nasiri E

Formaldehyde (FA) is an environmentally-available pollutant. Since the liver acts as a detoxifier in the human body, it is the first and most affected organ in individuals exposed to higher-than-normal...
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The impact of two doses of coenzyme Q10 on semen parameters and antioxidant status in men with idiopathic oligoasthenoteratozoospermia

Alahmar AT

OBJECTIVE: Oxidative stress contributes to male infertility, and antioxidants have been recommended for treating idiopathic oligoasthenoteratozoospermia (OAT). There is, however, a lack of agreement on the type, dosing, and use...
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Oxidative stress markers and lipid profiles of patients with polycystic ovary syndrome in a Nigerian tertiary hospital

Enechukwu , Onuegbu AJ, Olisekodiaka MJ, Eleje GU, Ikechebelu JI, Ugboaja JO, Amah UK, Okwara JE, Igwegbe AO

OBJECTIVE: To determine the activities of oxidative stress markers and lipid profiles of patients with polycystic ovary syndrome (PCOS) in Nnamdi Azikiwe University Teaching Hospital Nnewi, Nigeria. METHODS: This was a...
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The effects of coenzyme Q₁₀ supplement on blood lipid indices and hepatic antioxidant defense system in SD rats fed a high cholesterol diet

Kim HN, Jeon DG, Lim Y, Jang IS

A total of 24 SD rats were allotted to four treatment groups such as the control (CON), 1% of cholesterol diet (CHO), 0.5% of coenzyme Q₁₀ (COQ) and 1% of...
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Effect of Yeonsan Ogye bioactive peptides on anti-oxidant indexes in rats' liver

Kim HW, Shim JH, Kim KN

PURPOSE: This study investigated the effect of bioactive Yeonsan Ogye peptides (YOPs) intake on changes in the hepatic anti-oxidant indexes in male rats. METHODS: Sprague-Dawley male rats were divided into 3...
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7,8,4′-Trihydroxyisoflavone, a Metabolized Product of Daidzein, Attenuates 6-Hydroxydopamine-Induced Neurotoxicity in SH-SY5Y Cells

Ko YH, Kim SK, Kwon SH, Seo JY, Lee BR, Kim YJ, Hur KH, Kim SY, Lee SY, Jang CG

Daidzein isolated from soybean (Glycine max) has been widely studied for its antioxidant and anti-inflammatory activities. However, the protective effects of 7,8,4′-trihydroxyisoflavone (THIF), a major metabolite of daidzein, on 6-hydroxydopamine...
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Supplementation with psyllium seed husk reduces myocardial damage in a rat model of ischemia/reperfusion

Lim SH, Lee J

BACKGROUND/OBJECTIVES: Myocardial infarction (MI) is caused by extensive myocardial damage attributed to the occlusion of coronary arteries. Our previous study in a rat model of ischemia/reperfusion (I/R) demonstrated that administration...
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Effect of glycyrrhizin on nicotine-induced behavioral disturbance of planarian, Dugesia japonica

Kim YJ, So J, Yi YJ, Lee SM

Nicotine is a component of tobacco products and is one of the most commonly abused substances that leads to addiction. Therefore, the present study was performed to investigate the behavioral...
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Beta-carotene prevents the spermatogenic disorders induced by exogenous scrotal hyperthermia through modulations of oxidative stress, apoptosis, and androgen biosynthesis in mice

Yon JM, Kim JS, Lin C, Park SG, Gwon LW, Lee JG, Baek IJ, Nahm SS, Nam SY

We investigated whether β-carotene (β-CA) or ellagic acid (EA), originating from various fruits and vegetables, has a preventive effect against male infertility induced by exogenous scrotal hyperthermia. ICR adult mice...
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Theracurmin Ameliorates Cognitive Dysfunctions in 5XFAD Mice by Improving Synaptic Function and Mitigating Oxidative Stress

Kim J, Kim J, Huang Z, Goo N, Bae HJ, Jeong Y, Park HJ, Cai M, Cho K, Jung SY, Bae SK, Ryu JH

As the elderly population is increasing, Alzheimer's disease (AD) has become a global issue and many clinical trials have been conducted to evaluate treatments for AD. As these clinical trials...
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Antioxidant effects of kimchi supplemented with black raspberry during fermentation protect against liver cirrhosis-induced oxidative stress in rats

Ryu EH, Yang JS, Lee MJ, Kim SH, Seo HY, Jung JH

BACKGROUND/OBJECTIVES: Oxidative stress is a major effector of various diseases; accordingly, antioxidants are frequently ingested in order to prevent or alleviate disease symptoms. Kimchi contains various natural antioxidants, and it...
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Astaxanthin Prevents Decreases in Superoxide Dismutase 2 Level and Superoxide Dismutase Activity in Helicobacter pylori-infected Gastric Epithelial Cells

Kim SH, Lim JW, Kim H

BACKGROUND: Helicobacter pylori increases production of reactive oxygen species (ROS), which activates inflammatory and carcinogenesis-related signaling pathways in gastric epithelial cells. Therefore, reducing ROS, by upregulating antioxidant enzyme, such as...
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A 1:1 exercise-to-rest period ratio needed by animals to restore energy sources and replenish anti-oxidative status after exercise

Yeom MY, Cho YO

BACKGROUND/OBJECTIVES: Successful recovery of an animal from exercise is essential, especially prior to the next exercise session. This study was conducted to find an effective exercise-to-rest period ratio for the...
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Hypoxia-inducible factor: role in cell survival in superoxide dismutase overexpressing mice after neonatal hypoxia-ischemia

Jeon GW, Sheldon RA, Ferriero D

BACKGROUND: Sixty percent of infants with severe neonatal hypoxic-ischemic encephalopathy die, while most survivors have permanent disabilities. Treatment for neonatal hypoxic-ischemic encephalopathy is limited to therapeutic hypothermia, but it does...
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Antioxidant and antiobesity activities of oral treatment with ethanol extract from sprout of evening primrose (Oenothera laciniata) in high fat diet-induced obese mice

Kwak CS, Kim MJ, Kim SG, Park S, Kim IG, Kang HS

PURPOSE: Sprouts of evening primrose (Oenothera laciniata, OL) were reported to have high contents of flavonoids and potent antioxidant activity. This study examined the antioxidant and antiobesity activities of OL...
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Effects of Resistant Starch Supplementation on Glucose Metabolism, Lipid Profile, Lipid Peroxidation Marker, and Oxidative Stress in Overweight and Obese Adults: Randomized, Double-Blind, Crossover Trial

Eshghi F, Bakhshimoghaddam F, Rasmi Y, Alizadeh M

Obesity is a substantial public health challenge across the globe. The use of resistant starch has been proposed as a probable management strategy for complications of obesity. We investigated the...
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Antioxidant action of hypoxic conditioned media from adipose-derived stem cells in the hepatic injury of expressing higher reactive oxygen species

Hong HE, Kim OH, Kwak BJ, Choi HJ, im KH, Ahn J, Kim SJ

PURPOSE: Almost all liver diseases are known to be accompanied by increased levels of reactive oxygen species (ROS), regardless of the cause of the liver disorder. However, little is known...
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