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22 Results Found

  • Article
  • Open Access
4 Citations
3,847 Views
14 Pages

Peroxiredoxin V Protects against UVB-Induced Damage of Keratinocytes

  • Sin Ri Kim,
  • Ji Won Park,
  • Byung-Hoon Lee,
  • Kyung Min Lim and
  • Tong-Shin Chang

Ultraviolet B (UVB) irradiation generates reactive oxygen species (ROS), which can damage exposed skin cells. Mitochondria and NADPH oxidase are the two principal producers of ROS in UVB-irradiated keratinocytes. Peroxiredoxin V (PrxV) is a mitochond...

  • Article
  • Open Access
10 Citations
4,382 Views
15 Pages

Myoglobin Interaction with Lactate Rapidly Releases Oxygen: Studies on Binding Thermodynamics, Spectroscopy, and Oxygen Kinetics

  • Kiran Kumar Adepu,
  • Dipendra Bhandari,
  • Andriy Anishkin,
  • Sean H. Adams and
  • Sree V. Chintapalli

Myoglobin (Mb)-mediated oxygen (O2) delivery and dissolved O2 in the cytosol are two major sources that support oxidative phosphorylation. During intense exercise, lactate (LAC) production is elevated in skeletal muscles as a consequence of insuffici...

  • Article
  • Open Access
10 Citations
3,481 Views
18 Pages

Deletion of Superoxide Dismutase 1 Blunted Inflammatory Aortic Remodeling in Hypertensive Mice under Angiotensin II Infusion

  • Yasunaga Shiraishi,
  • Norio Ishigami,
  • Takehiko Kujiraoka,
  • Atsushi Sato,
  • Masanori Fujita,
  • Yasuo Ido and
  • Takeshi Adachi

Superoxide dismutase (SOD) is an enzyme that catalyzes the dismutation of two superoxide anions (O2·−) into hydrogen peroxide (H2O2) and oxygen (O2) and is generally known to protect against oxidative stress. Angiotensin II (AngII) causes vascular hy...

  • Article
  • Open Access
68 Citations
8,846 Views
16 Pages

Protective Effect of Phloroglucinol on Oxidative Stress-Induced DNA Damage and Apoptosis through Activation of the Nrf2/HO-1 Signaling Pathway in HaCaT Human Keratinocytes

  • Cheol Park,
  • Hee-Jae Cha,
  • Su Hyun Hong,
  • Gi-Young Kim,
  • Suhkmann Kim,
  • Heui-Soo Kim,
  • Byung Woo Kim,
  • You-Jin Jeon and
  • Yung Hyun Choi

13 April 2019

Phloroglucinol (PG) is a component of phlorotannins, which are abundant in marine brown alga species. Recent studies have shown that PG is beneficial in protecting cells from oxidative stress. In this study, we evaluated the protective efficacy of PG...

  • Article
  • Open Access
119 Citations
12,418 Views
13 Pages

Myricetin Protects Cells against Oxidative Stress-Induced Apoptosis via Regulation of PI3K/Akt and MAPK Signaling Pathways

  • Kyoung Ah Kang,
  • Zhi Hong Wang,
  • Rui Zhang,
  • Mei Jing Piao,
  • Ki Cheon Kim,
  • Sam Sik Kang,
  • Young Woo Kim,
  • Jongsung Lee,
  • Deokhoon Park and
  • Jin Won Hyun

2 November 2010

Recently, we demonstrated that myricetin exhibits cytoprotective effects against H2O2-induced cell damage via its antioxidant properties. In the present study, myricetin was found to inhibit H2O2-induced apoptosis in Chinese hamster lung fibroblast (...

  • Article
  • Open Access
9 Citations
4,508 Views
21 Pages

Early Cytokine-Induced Transient NOX2 Activity Is ER Stress-Dependent and Impacts β-Cell Function and Survival

  • Eloisa A. Vilas-Boas,
  • Christopher Carlein,
  • Lisa Nalbach,
  • Davidson C. Almeida,
  • Emmanuel Ampofo,
  • Angelo R. Carpinelli,
  • Leticia P. Roma and
  • Fernanda Ortis

18 August 2021

In type 1 diabetes (T1D) development, proinflammatory cytokines (PIC) released by immune cells lead to increased reactive oxygen species (ROS) production in β-cells. Nonetheless, the temporality of the events triggered and the role of different ROS s...

  • Article
  • Open Access
8 Citations
3,636 Views
15 Pages

RETRACTED: Protection against Oxidative Stress-Induced Apoptosis by Fermented Sea Tangle (Laminaria japonica Aresch) in Osteoblastic MC3T3-E1 Cells through Activation of Nrf2 Signaling Pathway

  • So Young Kim,
  • Hee-Jae Cha,
  • Hyun Hwangbo,
  • Cheol Park,
  • Hyesook Lee,
  • Kyoung Seob Song,
  • Jung-Hyun Shim,
  • Jeong Sook Noh,
  • Heui-Soo Kim and
  • Yung Hyun Choi
  • + 4 authors

15 November 2021

The purpose of the present study was to explore the efficacy of fermented extract of sea tangle (Laminaria japonica Aresch, FST) with Lactobacillus brevis on DNA damage and apoptosis in hydrogen peroxide (H2O2)-stimulated osteoblastic MC3T3-E1 cells...

  • Article
  • Open Access
22 Citations
9,500 Views
17 Pages

Butin (7,3′,4′-Trihydroxydihydroflavone) Reduces Oxidative Stress-Induced Cell Death via Inhibition of the Mitochondria-Dependent Apoptotic Pathway

  • Rui Zhang,
  • In Kyung Lee,
  • Mei Jing Piao,
  • Ki Cheon Kim,
  • Areum Daseul Kim,
  • Hye Sun Kim,
  • Sungwook Chae,
  • Hee Sun Kim and
  • Jin Won Hyun

10 June 2011

Recently, we demonstrated that butin (7,3′,4′-trihydroxydihydroflavone) protected cells against hydrogen peroxide (H2O2)-induced apoptosis by: (1) scavenging reactive oxygen species (ROS), activating antioxidant enzymes such superoxide dismutase and...

  • Article
  • Open Access
29 Citations
4,039 Views
13 Pages

3 February 2021

Oxidative stress-induced endothelial dysfunction is strongly linked to the pathogenesis of cardiovascular diseases. A previous study revealed that seahorse hydrolysates ameliorated oxidative stress-mediated human umbilical vein endothelial cells (HUV...

  • Article
  • Open Access
52 Citations
12,853 Views
17 Pages

7 August 2014

Oxidative stress-induced neuronal death has an important role in the pathogenesis of neurodegenerative disorders. The effects and mechanisms of action of the total flavonoids (TFs) from Rosa laevigata Michx fruit against hydrogen peroxide (H2O2)-indu...

  • Article
  • Open Access
18 Citations
3,616 Views
16 Pages

Phloroglucinol Attenuates DNA Damage and Apoptosis Induced by Oxidative Stress in Human Retinal Pigment Epithelium ARPE-19 Cells by Blocking the Production of Mitochondrial ROS

  • Cheol Park,
  • Hee-Jae Cha,
  • Min Yeong Kim,
  • EunJin Bang,
  • Sung-Kwon Moon,
  • Seok Joong Yun,
  • Wun-Jae Kim,
  • Jeong Sook Noh,
  • Gi-Young Kim and
  • Yung Hyun Choi
  • + 2 authors

28 November 2022

Phloroglucinol, a phenolic compound, is known to possess a potent antioxidant ability. However, its role in retinal cells susceptible to oxidative stress has not been well elucidated yet. Thus, the objective of this study was to evaluate whether phlo...

  • Article
  • Open Access
2 Citations
1,448 Views
19 Pages

Chromogranin B Protects Human Umbilical Endothelial Cells against Oxidative Stress

  • Elena Grossini,
  • Sakthipriyan Venkatesan,
  • Mohammad Mostafa Ola Pour,
  • Daniela Ferrante,
  • Daniela Surico,
  • Rosanna Vaschetto,
  • Vincenzo Cantaluppi and
  • Mario Pirisi

25 September 2024

Chromogranin B (CgB) is involved in the control of the cardiovascular system through the regulation of catecholamine release. Whether CgB can exert direct actions on the endothelium has not yet been clarified. Here, we aimed to investigate the effect...

  • Article
  • Open Access
11 Citations
4,765 Views
16 Pages

Interactions of the Lysosomotropic Detergent O-Methyl-Serine Dodecylamide Hydrochloride (MSDH) with Lipid Bilayer Membranes—Implications for Cell Toxicity

  • Ana-Maria Villamil Giraldo,
  • Ida Eriksson,
  • Stefan Wennmalm,
  • Timmy Fyrner,
  • Thomas Ederth and
  • Karin Öllinger

O-methyl-serine dodecylamine hydrochloride (MSDH) is a detergent that accumulates selectively in lysosomes, a so-called lysosomotropic detergent, with unexpected chemical properties. At physiological pH, it spontaneously forms vesicles, which disasse...

  • Article
  • Open Access
53 Citations
6,896 Views
12 Pages

Triggering of Suicidal Erythrocyte Death by Penta-O-galloyl-β-d-glucose

  • Kousi Alzoubi,
  • Sabina Honisch,
  • Majed Abed and
  • Florian Lang

24 December 2013

The polyphenolic 1,2,3,4,6-penta-O-galloyl-beta-d-glucose from several medicinal herbs triggers apoptosis and has, thus, been proposed for treatment of malignancy. The substance is at least partially effective through caspase activation. In analogy t...

  • Article
  • Open Access
22 Citations
6,022 Views
18 Pages

12 October 2020

In Parkinson’s disease, mitochondrial oxidative stress-mediated apoptosis is a major cause of dopaminergic neuronal loss in the substantia nigra (SN). G protein-coupled receptor 4 (GPR4), previously recognised as an orphan G protein coupled-rec...

  • Article
  • Open Access
1 Citations
1,283 Views
18 Pages

SOD-1/2 Involvement in the Antioxidant Molecular Events Occurring upon Complex Magnetic Fields Application in an In Vitro H2O2 Oxidative Stress-Induced Endothelial Cell Model

  • Alessia Ricci,
  • Susi Zara,
  • Viviana di Giacomo,
  • Marialucia Gallorini,
  • Monica Rapino,
  • Natalia Di Pietro,
  • Alessandro Cipollina,
  • Adriano Piattelli and
  • Amelia Cataldi

4 September 2025

Endothelial function plays a key role in tissue repair. Reactive Oxygen Species (ROS) production impairs tissue renewal and homeostasis. Complex Magnetic Fields (CMFs) have been attracting attention as a non-invasive tool to promote tissue regenerati...

  • Article
  • Open Access
14 Citations
3,878 Views
15 Pages

13 December 2021

The co-delivery of chemotherapy drugs and gene-suppressing small interfering RNA (siRNA) show promise for cancer therapy. The key to the clinical realization of this treatment model will be the development of a carrier system enabling the simultaneou...

  • Article
  • Open Access
85 Citations
14,441 Views
12 Pages

Biological Properties of Iron Oxide Nanoparticles for Cellular and Molecular Magnetic Resonance Imaging

  • Thomas Schlorf,
  • Manuela Meincke,
  • Elke Kossel,
  • Claus-Christian Glüer,
  • Olav Jansen and
  • Rolf Mentlein

23 December 2010

Superparamagnetic iron-oxide particles (SPIO) are used in different ways as contrast agents for magnetic resonance imaging (MRI): Particles with high nonspecific uptake are required for unspecific labeling of phagocytic cells whereas those that targe...

  • Article
  • Open Access
40 Citations
5,905 Views
17 Pages

Astaxanthin Prevents Atrophy in Slow Muscle Fibers by Inhibiting Mitochondrial Reactive Oxygen Species via a Mitochondria-Mediated Apoptosis Pathway

  • Luchuanyang Sun,
  • Nobuyuki Miyaji,
  • Min Yang,
  • Edward M. Mills,
  • Shigeto Taniyama,
  • Takayuki Uchida,
  • Takeshi Nikawa,
  • Jifeng Li,
  • Jie Shi and
  • Katsuya Hirasaka
  • + 1 author

26 January 2021

Astaxanthin (AX) is a carotenoid that exerts potent antioxidant activity and acts in the lipid bilayer. This study aimed to investigate the effects of AX on muscle-atrophy-mediated disturbance of mitochondria, which have a lipid bilayer. Tail suspens...

  • Article
  • Open Access
10 Citations
3,007 Views
15 Pages

Stachydrine Hydrochloride Regulates the NOX2-ROS-Signaling Axis in Pressure-Overload-Induced Heart Failure

  • Shuang Lu,
  • Yueyang Liang,
  • Songru Yang,
  • Mengwei Fu,
  • Xiaoli Shan,
  • Chen Zhang,
  • Huihua Chen,
  • Pei Zhao and
  • Rong Lu

21 September 2023

Our previous studies revealed the protection of stachydrine hydrochloride (STA) against cardiopathological remodeling. One of the underlying mechanisms involves the calcium/calmodulin-dependent protein kinase Ⅱ (CaMKII). However, the way STA in...

  • Article
  • Open Access
30 Citations
3,782 Views
18 Pages

Functionalized Hybrid Iron Oxide–Gold Nanoparticles Targeting Membrane Hsp70 Radiosensitize Triple-Negative Breast Cancer Cells by ROS-Mediated Apoptosis

  • Zhiyuan Wu,
  • Stefan Stangl,
  • Alicia Hernandez-Schnelzer,
  • Fei Wang,
  • Morteza Hasanzadeh Kafshgari,
  • Ali Bashiri Dezfouli and
  • Gabriele Multhoff

11 February 2023

Triple-negative breast cancer (TNBC) a highly aggressive tumor entity with an unfavorable prognosis, is treated by multimodal therapies, including ionizing radiation (IR). Radiation-resistant tumor cells, as well as induced normal tissue toxicity, co...