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Antioxidants, Volume 12, Issue 11

November 2023 - 118 articles

Cover Story: Ascorbate is a cofactor for a superfamily of enzymes that govern numerous pathways in cancer progression. The kinetics of ascorbate uptake and retention in cancer cells are unclear. Here, we show that the accumulation of ascorbate by breast cancer cells occurred within hours of supplementation, and was then depleted after 24 h if not re-supplemented. Ascorbate transporter SVCT2 was localised mainly to subcellular compartments, indicating the importance of ascorbate trafficking from the cytosol to the organelles for its cofactor function. We demonstrate that careful management of ascorbate supplementation in vitro allows for the approximation of in vivo conditions. View this paper
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Articles (118)

  • Article
  • Open Access
9 Citations
2,745 Views
18 Pages

16 November 2023

Amyotrophic lateral sclerosis (ALS) is considered a fatal progressive degeneration of motor neurons (MN) caused by oxidative stress and mitochondrial dysfunction. There are currently no treatments available. The most common inherited form of ALS is t...

  • Article
  • Open Access
7 Citations
3,161 Views
23 Pages

c-Abl Phosphorylates MFN2 to Regulate Mitochondrial Morphology in Cells under Endoplasmic Reticulum and Oxidative Stress, Impacting Cell Survival and Neurodegeneration

  • Alexis Martinez,
  • Cristian M. Lamaizon,
  • Cristian Valls,
  • Fabien Llambi,
  • Nancy Leal,
  • Patrick Fitzgerald,
  • Cliff Guy,
  • Marcin M. Kamiński,
  • Nibaldo C. Inestrosa and
  • Brigitte van Zundert
  • + 7 authors

16 November 2023

The endoplasmic reticulum is a subcellular organelle key in the control of synthesis, folding, and sorting of proteins. Under endoplasmic reticulum stress, an adaptative unfolded protein response is activated; however, if this activation is prolonged...

  • Article
  • Open Access
18 Citations
3,500 Views
20 Pages

Improvement Effect of Mitotherapy on the Cognitive Ability of Alzheimer’s Disease through NAD+/SIRT1-Mediated Autophagy

  • Xiaoxi Yang,
  • Peiyu Zhou,
  • Zizhen Zhao,
  • Jingli Li,
  • Zhigang Fan,
  • Xiaorong Li,
  • Zhihong Cui and
  • Ailing Fu

16 November 2023

To date, Alzheimer’s disease (AD) has grown to be a predominant health challenge that disturbs the elderly population. Studies have shown that mitochondrial dysfunction is one of the most significant features of AD. Transplantation therapy of h...

  • Article
  • Open Access
11 Citations
3,829 Views
16 Pages

Depletion of Labile Iron Induces Replication Stress and Enhances Responses to Chemoradiation in Non-Small-Cell Lung Cancer

  • Khaliunaa Bayanbold,
  • Mekhla Singhania,
  • Melissa A. Fath,
  • Charles C. Searby,
  • Jeffrey M. Stolwijk,
  • John B. Henrich,
  • Casey F. Pulliam,
  • Joshua D. Schoenfeld,
  • Kranti A. Mapuskar and
  • Sei Sho
  • + 7 authors

15 November 2023

The intracellular redox-active labile iron pool (LIP) is weakly chelated and available for integration into the iron metalloproteins that are involved in diverse cellular processes, including cancer cell-specific metabolic oxidative stress. Abnormal...

  • Article
  • Open Access
4 Citations
3,938 Views
29 Pages

Associations between the New DNA-Methylation-Based Telomere Length Estimator, the Mediterranean Diet and Genetics in a Spanish Population at High Cardiovascular Risk

  • Oscar Coltell,
  • Eva M. Asensio,
  • José V. Sorlí,
  • Carolina Ortega-Azorín,
  • Rebeca Fernández-Carrión,
  • Eva C. Pascual,
  • Rocío Barragán,
  • José I. González,
  • Ramon Estruch and
  • Juan F. Alzate
  • + 4 authors

15 November 2023

Biological aging is a relevant risk factor for chronic diseases, and several indicators for measuring this factor have been proposed, with telomere length (TL) among the most studied. Oxidative stress may regulate telomere shortening, which is implic...

  • Article
  • Open Access
3 Citations
2,809 Views
16 Pages

Exploring the Antioxidant Potential of Tragia volubilis L.: Mitigating Chemotherapeutic Effects of Doxorubicin on Tumor Cells

  • Natalia Bailon-Moscoso,
  • José Coronel-Hidalgo,
  • Rodrigo Duarte-Casar,
  • Luis Miguel Guamán-Ortiz,
  • Jorge G. Figueroa and
  • Juan Carlos Romero-Benavides

14 November 2023

Several plants of the genus Tragia L. have shown antibacterial, fungicidal, and antiproliferative activity, among other types of activities; however, most species of the genus have not been investigated. Tragia volubilis L. is native to tropical Amer...

  • Article
  • Open Access
2 Citations
3,556 Views
20 Pages

14 November 2023

The efficiency of HT and that of some of its hydrophobic derivatives and their distribution and effective concentrations were investigated in fish oil-in-water nanoemulsions. For this purpose, we carried out two sets of independent, but complementary...

  • Article
  • Open Access
4 Citations
1,790 Views
18 Pages

14 November 2023

Exposure to phoxim at low levels caused bioaccumulation with neurotoxicity but also induced oxidative stress, tissue damage, and abnormal nutrient metabolism. This study described that vitamin E ameliorates phoxim-induced nephrotoxicity via inhibitin...

  • Article
  • Open Access
6 Citations
2,390 Views
25 Pages

14 November 2023

Azadirachtin (AZD), a limonoid from the versatile, tropical neem tree (Azadirachta indica), is well known for its many medicinal, and pharmacological effects. Its effects as an anti-oxidant, anti-inflammatory, and anti-cancer agent are well known. Ho...

  • Article
  • Open Access
15 Citations
3,639 Views
20 Pages

13 November 2023

This study aims to investigate the neuroprotective effects of nootkatone (NKT), a sesquiterpenoid compound isolated from grapefruit, in an MPTP-induced Parkinson’s disease (PD) mouse model. NKT restored MPTP-induced motor impairment and dopamin...

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Antioxidants - ISSN 2076-3921