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Oxidative Medicine and Cellular Longevity

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https://www.readbyqxmd.com/read/29147466/erratum-to-resveratrol-attenuates-copper-induced-senescence-by-improving-cellular-proteostasis
#1
Liliana Matos, Alexandra Monteiro Gouveia, Henrique Almeida
[This corrects the article DOI: 10.1155/2017/3793817.].
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29147465/myricetin-possesses-potential-protective-effects-on-diabetic-cardiomyopathy-through-inhibiting-i%C3%AE%C2%BAb%C3%AE-nf%C3%AE%C2%BAb-and-enhancing-nrf2-ho-1
#2
Hai-Han Liao, Jin-Xiu Zhu, Hong Feng, Jian Ni, Nan Zhang, Si Chen, Huang-Jun Liu, Zheng Yang, Wei Deng, Qi-Zhu Tang
Diabetic cardiomyopathy (DCM) is associated with a greater risk of mortality in patients with diabetes mellitus. Currently, no specific treatment has been suggested for DCM treatment. This study demonstrated that myricetin (M) attenuated DCM-associated cardiac injury in mice subjected to streptozotocin (SZT) and in neonatal rat cardiomyocytes (NRCM) challenged with high glucose. In vivo investigation demonstrated 6 months of M treatment (200 mg/kg/d) significantly alleviated cardiac hypertrophy, apoptosis, and interstitial fibrosis...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29147464/treatment-of-the-fluoroquinolone-associated-disability-the-pathobiochemical-implications
#3
REVIEW
Krzysztof Michalak, Aleksandra Sobolewska-Włodarczyk, Marcin Włodarczyk, Justyna Sobolewska, Piotr Woźniak, Bogusław Sobolewski
Long-term fluoroquinolone-associated disability (FQAD) after fluoroquinolone (FQ) antibiotic therapy appears in recent years as a significant medical and social problem, because patients suffer for many years after prescribed antimicrobial FQ treatment from tiredness, concentration problems, neuropathies, tendinopathies, and other symptoms. The knowledge about the molecular activity of FQs in the cells remains unclear in many details. The effective treatment of this chronic state remains difficult and not effective...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29147463/acidic-polysaccharide-from-angelica-sinensis-reverses-anemia-of-chronic-disease-involving-the-suppression-of-inflammatory-hepcidin-and-nf-%C3%AE%C2%BAb-activation
#4
Kaiping Wang, Jun Wu, Fang Cheng, Xiao Huang, Fang Zeng, Yu Zhang
Anemia of chronic disease (ACD) is the second most prevalent anemia and frequently occurs in patients with acute or chronic immune activation. In the current study, we evaluated the therapeutic efficacy of Angelica sinensis polysaccharide (ASP) against ACD in rats and the potential mechanisms involved. The results showed that ASP inhibited inflammatory hepcidin in both HepG2 cells and ACD rats by blocking the IL-6/STAT3 and BMP/SMAD pathways. In ACD rats, the administration of ASP increased ferroportin expression, mobilized iron from the liver and spleen, increased serum iron levels, caused an elevation of serum EPO, and effectively relieved the anemia...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29147462/oxygen-sensing-nox4-generates-genotoxic-ros-to-induce-premature-senescence-of-nucleus-pulposus-cells-through-mapk-and-nf-%C3%AE%C2%BAb-pathways
#5
Chencheng Feng, Yang Zhang, Minghui Yang, Minghong Lan, Huan Liu, Bo Huang, Yue Zhou
Senescence is a crucial driver of intervertebral disc degeneration (IDD). Disc cells are exposed to high oxygen tension due to neovascularization in degenerative discs. However, the effect of oxygen tension on disc cell senescence was unknown. Herein, rat nucleus pulposus (NP) cells were cultured under 20% O2 or 1% O2. Consequently, ROS induced by 20% O2 caused DNA damage and then activated p53-p21-Rb and p16-Rb pathways via ERK signaling to induce NP cell senescence. It also induced catabolic and proinflammatory phenotype of NP cells via MAPK and NF-κB pathways...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29147461/the-role-of-antioxidant-enzymes-in-the-ovaries
#6
REVIEW
Shan Wang, Guolin He, Meng Chen, Tao Zuo, Wenming Xu, Xinghui Liu
Proper physiological function of the ovaries is very important for the entire female reproductive system and overall health. Reactive oxygen species (ROS) are generated as by-products during ovarian physiological metabolism, and antioxidants are indicated as factors that can maintain the balance between ROS production and clearance. A disturbance in this balance can induce pathological consequences in oocyte maturation, ovulation, fertilization, implantation, and embryo development, which can ultimately influence pregnancy outcomes...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29147460/corrigendum-to-identification-of-patients-affected-by-mitral-valve-prolapse-with-severe-regurgitation-a-multivariable-regression-model
#7
Paola Songia, Benedetta Porro, Mattia Chiesa, Veronika Myasoedova, Francesco Alamanni, Elena Tremoli, Paolo Poggio
[This corrects the article DOI: 10.1155/2017/6838921.].
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29147459/erratum-to-impact-of-yoga-and-meditation-on-cellular-aging-in-apparently-healthy-individuals-a-prospective-open-label-single-arm-exploratory-study
#8
Madhuri Tolahunase, Rajesh Sagar, Rima Dada
[This corrects the article DOI: 10.1155/2017/7928981.].
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29147458/erratum-to-nutritional-and-lifestyle-interventions-for-age-related-macular-degeneration-a-review
#9
Ângela Carneiro, José Paulo Andrade
[This corrects the article DOI: 10.1155/2017/6469138.].
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29147457/oxidative-stress-delays-prometaphase-metaphase-of-the-first-cleavage-in-mouse-zygotes-via-the-mad2l1-mediated-spindle-assembly-checkpoint
#10
Que Wu, Zhiling Li, Yue Huang, Diting Qian, Man Chen, Wanfen Xiao, Bin Wang
In zygotes, DNA damage delays the first cleavage to enable repair. Our previous study found that 0.03 mM hydrogen peroxide (H2O2) was the minimum concentration required for induction of oxidative DNA damage in mouse zygotes and that this represented the most similar situation to the clinical phenomenon. In this study, we quantified the cleavage rates of cells in blastocysts at different developmental stages, followed by immunofluorescence to detect activation of γ-H2A histone family member X (a marker of DNA damage) in zygotes to confirm that oxidative DNA damage was induced in H2O2-treated zygotes...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29142618/melatonin-supplementation-lowers-oxidative-stress-and-regulates-adipokines-in-obese-patients-on-a-calorie-restricted-diet
#11
Karolina Szewczyk-Golec, Paweł Rajewski, Marcin Gackowski, Celestyna Mila-Kierzenkowska, Roland Wesołowski, Paweł Sutkowy, Marta Pawłowska, Alina Woźniak
Obesity is one of the major global health problems. Melatonin deficiency has been demonstrated to correlate with obesity. The aim of the study was to estimate the effect of melatonin on oxidative stress and adipokine levels in obese patients on a calorie-restricted diet. Thirty obese patients were supplemented with a daily dose of 10 mg of melatonin (n = 15) or placebo (n = 15) for 30 days with a calorie-restricted diet. Serum levels of melatonin, 4-hydroxynonenal (HNE), adiponectin, omentin-1, leptin, and resistin, as well as erythrocytic malondialdehyde (MDA) concentration and Zn/Cu-superoxide dismutase, catalase, and glutathione peroxidase (GPx) activities, were measured at baseline and after supplementation...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29142617/acute-strenuous-exercise-induces-an-imbalance-on-histone-h4-acetylation-histone-deacetylase-2-and-increases-the-proinflammatory-profile-of-pbmc-of-obese-individuals
#12
Gilson P Dorneles, Maria Carolina R Boeira, Lucas L Schipper, Ivy R V Silva, Viviane R Elsner, Pedro Dal Lago, Alessandra Peres, Pedro R T Romão
This study evaluated the response of global histone H4 acetylation (H4ac), histone deacetylase 2 (HDAC2) activity, as well as the production of proinflammatory cytokines and monocyte phenotypes of lean and obese males after exercise. Ten lean and ten obese sedentary men were submitted to one session of strenuous exercise, and peripheral blood mononuclear cells (PBMC) were stimulated in vitro with lipopolysaccharide (LPS). Global H4ac levels, HDAC2 activity in PBMC, and IL-6, IL-8, and TNF-α production were analyzed...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29138683/the-evaluation-of-oxidative-stress-parameters-in-serum-patients-with-relapsing-remitting-multiple-sclerosis-treated-with-ii-line-immunomodulatory-therapy
#13
Bożena Adamczyk, Sławomir Wawrzyniak, Sławomir Kasperczyk, Monika Adamczyk-Sowa
Objectives: The assessment of oxidative stress (OS) in serum relapsing-remitting multiple sclerosis patients treated with II-line immunomodulatory therapy (fingolimod, natalizumab) compared to newly diagnosed patients (de novo group) treated with interferon (IFN) beta and controls. The relationship between OS parameters and gender, age, disease duration, Expanded Disability Status Scale, annualized relapse rate, MRI lesions in patients treated with II-line. Materials and Methods: One hundred and twenty-one patients with RRMS were enrolled in the study...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29138682/mir-128-is-implicated-in-stress-responses-by-targeting-mafg-in-skeletal-muscle-cells
#14
Rocco Caggiano, Fabio Cattaneo, Ornella Moltedo, Giovanni Esposito, Cinzia Perrino, Bruno Trimarco, Rosario Ammendola, Raffaella Faraonio
MAFG (v-Maf avian musculoaponeurotic fibrosarcoma oncogene homolog G) is a bZIP-type transcriptional regulator that belongs to the small MAF (sMAFs) protein family. By interacting with other bZIP transcription factors, sMAFs can form homo- and heterodimers governing either repressive or activating transcriptional functions. As heterodimeric partner of Nrf2, MAFG positively influences the ARE-dependent antioxidant/xenobiotic pathways, at least in condition of a correct MAFG:Nrf2 balance. MicroRNAs (miRs) participate to different regulatory networks being involved as fine-tuning regulators of gene expression...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29138681/cell-signaling-with-extracellular-thioredoxin-and-thioredoxin-like-proteins-insight-into-their-mechanisms-of-action
#15
REVIEW
Thierry Léveillard, Najate Aït-Ali
Thioredoxins are small thiol-oxidoreductase enzymes that control cellular redox homeostasis. Paradoxically, human thioredoxin (TXN1) was first identified as the adult T cell leukemia-derived factor (ADF), a secreted protein. ADF has been implicated in a wide variety of cell-to-cell communication systems acting as a cytokine or a chemokine. TRX80 is a truncated TXN1 protein with cytokine activity. The unconventional secretion mechanism of these extracellular thioredoxins is unknown. The thioredoxin system is relying on glucose metabolism through the pentose phosphate pathway that provides reducing power in the form of NADPH, the cofactor of thioredoxin reductase (TXNRD)...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29138680/enhancement-of-antioxidant-mechanisms-and-reduction-of-oxidative-stress-in-chickens-after-the-administration-of-drinking-water-enriched-with-polyphenolic-powder-from-olive-mill-waste-waters
#16
Aliki Papadopoulou, Konstantinos Petrotos, Dimitrios Stagos, Konstantinos Gerasopoulos, Antonios Maimaris, Haralampos Makris, Ioannis Kafantaris, Sotiria Makri, Efthalia Kerasioti, Maria Halabalaki, Vincent Brieudes, Georgia Ntasi, Stylianos Kokkas, Pavlos Tzimas, Panagiotis Goulas, Alexander M Zakharenko, Kirill S Golokhvast, Aristidis Tsatsakis, Demetrios Kouretas
The aim of the study was to examine the effects of a polyphenolic powder from olive mill wastewater (OMWW) administered through drinking water, on chickens' redox status. Thus, 75 chickens were divided into three groups. Group A was given just drinking water, while groups B and C were given drinking water containing 20 and 50 μg/ml of polyphenols, respectively, for 45 days. The antioxidant effects of the polyphenolic powder were assessed by measuring oxidative stress biomarkers in blood after 25 and 45 days of treatment...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29138679/modulatory-mechanism-of-polyphenols-and-nrf2-signaling-pathway-in-lps-challenged-pregnancy-disorders
#17
REVIEW
Tarique Hussain, Bie Tan, Gang Liu, Ghulam Murtaza, Najma Rahu, Muhammad Saleem, Yulong Yin
Early embryonic loss and adverse birth outcomes are the major reproductive disorders that affect both human and animals. The LPS induces inflammation by interacting with robust cellular mechanism which was considered as a plethora of numerous reproductive disorders such as fetal resorption, preterm birth, teratogenicity, intrauterine growth restriction, abortion, neural tube defects, fetal demise, and skeletal development retardation. LPS-triggered overproduction of free radicals leads to oxidative stress which mediates inflammation via stimulation of NF-κB and PPARγ transcription factors...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29138678/febuxostat-modulates-mapk-nf-%C3%AE%C2%BAbp65-tnf-%C3%AE-signaling-in-cardiac-ischemia-reperfusion-injury
#18
Sana Irfan Khan, Rajiv Kumar Malhotra, Neha Rani, Anil Kumar Sahu, Ameesha Tomar, Shanky Garg, Tapas Chandra Nag, Ruma Ray, Shreesh Ojha, Dharamvir Singh Arya, Jagriti Bhatia
Xanthine oxidase and xanthine dehydrogenase have been implicated in producing myocardial damage following reperfusion of an occluded coronary artery. We investigated and compared the effect of febuxostat and allopurinol in an experimental model of ischemia-reperfusion (IR) injury with a focus on the signaling pathways involved. Male Wistar rats were orally administered vehicle (CMC) once daily (sham and IR + control), febuxostat (10 mg/kg/day; FEB10 + IR), or allopurinol (100 mg/kg/day; ALL100 + IR) for 14 days...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29138677/oxidative-stress-in-hemodialysis-patients-a-review-of-the-literature
#19
REVIEW
Vassilios Liakopoulos, Stefanos Roumeliotis, Xenia Gorny, Evangelia Dounousi, Peter R Mertens
Hemodialysis (HD) patients are at high risk for all-cause mortality and cardiovascular events. In addition to traditional risk factors, excessive oxidative stress (OS) and chronic inflammation emerge as novel and major contributors to accelerated atherosclerosis and elevated mortality. OS is defined as the imbalance between antioxidant defense mechanisms and oxidant products, the latter overwhelming the former. OS appears in early stages of chronic kidney disease (CKD), advances along with worsening of renal failure, and is further exacerbated by the HD process per se...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29138676/resveratrol-modulation-of-protein-expression-in-parkin-mutant-human-skin-fibroblasts-a-proteomic-approach
#20
Daniele Vergara, Antonio Gaballo, Anna Signorile, Anna Ferretta, Paola Tanzarella, Consiglia Pacelli, Marco Di Paola, Tiziana Cocco, Michele Maffia
In this study, we investigated by two-dimensional gel electrophoresis (2-DE) and mass spectrometry (MS) analysis the effects of resveratrol treatment on skin primary fibroblasts from a healthy subject and from a parkin-mutant early onset Parkinson's disease patient. Parkin, an E3 ubiquitin ligase, is the most frequently mutated gene in hereditary Parkinson's disease. Functional alteration of parkin leads to impairment of the ubiquitin-proteasome system, resulting in the accumulation of misfolded or aggregated proteins accountable for the neurodegenerative process...
2017: Oxidative Medicine and Cellular Longevity
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