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Inhibition of melanogenesis by sodium 2-mercaptoethanesulfonate

Kim JH, Oh CT, Kwon TR, Kim JH, Bak DH, Kim H, Park WS, Kim BJ

Sodium 2-mercaptoethanesulfonate (mesna) is a protective agent that is widely used in medicine because of its antioxidant effects. Recently, reactive oxygen species (ROS) were shown to increase pigmentation. Thus, ROS...
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Mitochondrial Mechanisms in Diabetic Cardiomyopathy

Gollmer J, Zirlik A, Bugger H

Mitochondrial medicine is increasingly discussed as a promising therapeutic approach, given that mitochondrial defects are thought to contribute to many prevalent diseases and their complications. In individuals with diabetes mellitus...
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Neuroprotective effects of urolithin A on Hâ‚‚Oâ‚‚-induced oxidative stress-mediated apoptosis in SK-N-MC cells

Kim KB, Lee S, Kim JH

BACKGROUND/OBJECTIVES: Oxidative stress causes cell damage and death, which contribute to the pathogenesis of neurodegenerative diseases. Urolithin A (UA), a gut microbial-derived metabolite of ellagitannins and ellagic acid, has high...
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Curcumin Attenuates Acrolein-induced COX-2 Expression and Prostaglandin Production in Human Umbilical Vein Endothelial Cells

Lee SE, Park HR, Jeon S, Han D, Park YS

OBJECTIVE: Inflammation is crucial to limiting vascular disease. Previously we reported that acrolein, a known toxin in tobacco smoke, might play an important role in the progression of atherosclerosis via...
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Fluoxetine Induces Apoptotic and Oxidative Neuronal Death Associated with The Influx of Copper Ions in Cultured Neuronal Cells

Hwang S, Kim JK

We examined the effect of fluoxetine, a selective serotonin reuptake inhibitor antidepressant, on neuronal viability in mouse cortical near-pure neuronal cultures. Addition of fluoxetine to the media for 24 hours...
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Anti-tumor activity and mitochondrial stability of disulfiram in HL-60 cells

Disulfiram (DSF) is a member of the dithiocarbamate family that can bind copper. Recent studies have shown that DSF has anti-cancer activities, but the mechanism has not been clarified. Therefore,...
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Protective effects of D-005, a lipid extract from Acrocomia crispa fruits, against ischemia/reperfusion-induced acute kidney injury in rats

Oyarzábal-Yera A, Rodríguez-Salgueiro S, Merino-García N, Ocaña-Nápoles L, González-Núñez L, Mena-Valdés L, Zamora-Rodríguez Z, Medina-Pírez JA, Jiménez-Despaigne S, Molina-Cuevas V

BACKGROUND: Acute kidney injury (AKI) induced by renal ischemia/reperfusion (IR) is associated with enhanced production of reactive oxygen species in renal tissues. D-005, a lipid extract obtained from Acrocomia crispa...
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The role of oxidative stress and hypoxia in renal disease

Honda T, Hirakawa Y, Nangaku M

Oxygen is required to sustain aerobic organisms. Reactive oxygen species (ROS) are constantly released during mitochondrial oxygen consumption for energy production. Any imbalance between ROS production and its scavenger system...
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Genistein Inhibits Proliferation of BRCA1 Mutated Breast Cancer Cells: The GPR30-Akt Axis as a Potential Target

Kim GY, Suh J, Jang JH, Kim DH, Park OJ, Park SK, Surh YJ

BACKGROUND: BRCA1 mutated breast cancer cells exhibit the elevated cell proliferation and the higher metastatic potential. G protein-coupled receptor 30 (GPR30) has been shown to regulate growth of hormonally responsive...
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Aralia cordata Extract Activates NF-κB and MAPK Signaling Pathways and Induces Pro-inflammatory Changes in RAW264.7 Macrophages

Seo DW, Cho YI, Yi YJ, Lee SM

Macrophages play essential roles in innate immune responses by producing various immune mediators. Therefore, modulating macrophage function is an attractive strategy to treat immune disorders. Aralia cordata var. continentalis (AC),...
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Regulatory Pathway of Ion-Transporter Genes through Nrf2 Transcription Factor in Hypokalemic Condition

Cho HJ, Ahn KY

The Nuclear factor-erythroid-2-related factor 2 (Nrf2) plays a key role in the cellular defense against oxidative stress. Low K+ increased the reactive oxygen species and it stimulate Nrf2 activation. Previous...
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Extraneural CGRP Induces Oxidative Stress in Kidney Proximal Tubule Epithelial Cells

Moon D, Yoon SP, Jang HS, Noh MR, Ha L, Padanilam , Kim J

Calcitonin gene-related peptide (CGRP) is the most abundant neuropeptide in primary afferent sensory neurons. Exogenous CGRP can induce cell death in kidney tubular cells. The objective of this study was...
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Platycarya strobilacea leaf extract protects mice brain with focal cerebral ischemia by antioxidative property

Lee JH, Jeong JH, Jeong YG, Kim DK, Lee NS, Na CS, Doh ES, Han SY

The leaf extract of Platycarya strobilacea (PSL) has long been recognized as possessing various health-promoting activities. However, information on its possible protective effects against ischemic stroke is currently lacking. Here,...
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Metformin Ameliorates Lipotoxic β-Cell Dysfunction through a Concentration-Dependent Dual Mechanism of Action

Kim HI, Lee JS, Kwak BK, Hwang WM, Kim MJ, Kim YB, Chung SS, Park KS

BACKGROUND: Chronic exposure to elevated levels of free fatty acids contributes to pancreatic β-cell dysfunction. Although it is well known that metformin induces cellular energy depletion and a concomitant activation...
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Exercise and Neuroinflammation in Health and Disease

Seo DY, Heo JW, Ko JR, Kwak HB

Neuroinflammation is a central pathological feature of several acute and chronic brain diseases, including Alzheimer disease (AD), Parkinson disease (PD), amyotrophic lateral sclerosis (ALS), and multiple sclerosis (MS). It induces...
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Perivascular Stem Cells Suppress Inflammasome Activation during Inflammatory Responses in Macrophages

Kim J, Kim WJ, Ha KS, Han ET, Park WS, Yang SR, Hong SH

BACKGROUND AND OBJECTIVES: Perivascular stem cells (PVCs) have been identified as precursors of mesenchymal stem cells (MSCs) that offer promising prospects for application in the development of cellular therapies. Although...
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Niacinamide Protects Skin Cells from Oxidative Stress Induced by Particulate Matter

Zhen AX, Piao MJ, Kang KA, Madushan Fernando PDS, Kang HK, Koh YS, Yi JM, Hyun JW

Niacinamide (NIA) is a water-soluble vitamin that is widely used in the treatment of skin diseases. Moreover, NIA displays antioxidant effects and helps repair damaged DNA. Recent studies showed that...
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Alyssin and Iberin in Cruciferous Vegetables Exert Anticancer Activity in HepG2 by Increasing Intracellular Reactive Oxygen Species and Tubulin Depolymerization

Pocasap P, Weerapreeyakul N, Thumanu K

To determine the chemopreventive potential of alyssin and iberin, the in vitro anticancer activities and molecular targets of isothiocyanates (ITCs) were measured and compared to sulforaphane in hepatocellular carcinoma cell...
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ICSI using fresh and frozen PESA-TESA spermatozoa to examine assisted reproductive outcome retrospectively

Javed A, Ramaiah MK, Talkad MS

OBJECTIVE: The male reproductive system generates, accumulates, and transports the sperm. In this study, 2 methods of surgically retrieving sperm, namely, testicular sperm aspiration (TESA) and percutaneous epididymal sperm aspiration...
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Alteration of mitochondrial DNA content modulates antioxidant enzyme expressions and oxidative stress in myoblasts

Min KH, Lee W

Mitochondrial dysfunction is closely associated with reactive oxygen species (ROS) generation and oxidative stress in cells. On the other hand, modulation of the cellular antioxidant defense system by changes in...
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