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Satoshi Matsuzaki et al.
Biochemistry, 54(11), 2011-2021 (2015-02-27)
Biguanides are widely used antihyperglycemic agents for diabetes mellitus and prediabetes treatment. Complex I is the rate-limiting step of the mitochondrial electron transport chain (ETC), a major source of mitochondrial free radical production, and a known target of biguanides. Complex
Brandie N Radde et al.
The Biochemical journal, 465(1), 49-61 (2014-10-04)
Oestrogen receptor α (ERα+) breast tumours rely on mitochondria (mt) to generate ATP. The goal of the present study was to determine how oestradiol (E2) and 4-hydroxytamoxifen (4-OHT) affect cellular bioenergetic function in MCF-7 and T47D ERα+ breast cancer cells
Elisa Giacomelli et al.
Cell stem cell, 26(6), 862-879 (2020-05-28)
Cardiomyocytes (CMs) from human induced pluripotent stem cells (hiPSCs) are functionally immature, but this is improved by incorporation into engineered tissues or forced contraction. Here, we showed that tri-cellular combinations of hiPSC-derived CMs, cardiac fibroblasts (CFs), and cardiac endothelial cells
Roberto Romero-González et al.
Journal of AOAC International, 97(4), 1027-1033 (2014-08-26)
A method for the determination of 14 biopesticides and piperonyl butoxide (PBO), often applied in organic farming, in vegetables and fruits has been developed. Extraction was performed using the Quick, Easy, Cheap, Effective, Rugged, and Safe method, and the determination
Shinki Murakami et al.
Neurochemical research, 40(6), 1165-1178 (2015-04-22)
Parkinson's disease (PD) is a progressive neurodegenerative disease with motor and non-motor symptoms that precede the onset of motor symptoms. Rotenone is often used to induce PD-like pathology in the central nervous system (CNS) and enteric nervous system (ENS). However
Sophie L Lewandowski et al.
Cell metabolism, 32(5), 736-750 (2020-11-05)
Pancreatic β cells couple nutrient metabolism with appropriate insulin secretion. Here, we show that pyruvate kinase (PK), which converts ADP and phosphoenolpyruvate (PEP) into ATP and pyruvate, underlies β cell sensing of both glycolytic and mitochondrial fuels. Plasma membrane-localized PK
Yongzhang Liu et al.
Oncotarget, 5(22), 11209-11224 (2014-12-20)
ATP-dependent Lon protease within mitochondrial matrix contributes to the degradation of abnormal proteins. The oxidative or hypoxic stress which represents the stress phenotype of cancer leads to up-regulation of Lon. However, the role of Lon in bladder cancer remains undefined.
Dina M Monir et al.
Behavioral and brain functions : BBF, 16(1), 9-9 (2020-11-08)
Parkinson's disease (PD) is a common neurodegenerative disorder characterized by progressive loss of nigrostriatal dopaminergic neurons leading to dopamine depletion and problems of movement, emotions, and cognition. While the pathogenesis of PD is not clear, damage of dopaminergic neurons by
Emmanuel D Williams et al.
Experimental gerontology, 70, 157-162 (2015-08-11)
Cardiovascular disease (CVD) continues to be the leading cause of mortality among all age demographics in the United States, with the highest occurrence in populations aged 65 and older. Glucose levels, particularly hyperglycemia, are associated with the premature onset of
Kai Lu et al.
Molecular medicine reports, 12(2), 2374-2382 (2015-05-06)
The optimal aerobic exercise training (AET) protocol for patients following myocardial infarction (MI) has remained under debate. The present study therefore aimed to compare the effects of continuous moderate-intensity training (CMT) and high-intensity interval training (HIT) on cardiac functional recovery
Rongsheng Su et al.
Biological trace element research, 167(1), 110-114 (2015-03-13)
The aim of this study was to explore the effects of selenium addition on hepatic tissue ultrastructure and mitochondrial antioxidant capacity in copper-overloaded rats. Eighteen adult male Sprague-Dawley (SD) rats were randomly divided into three groups (n = 6 per group). Each
Anna Paula Brandt et al.
Chemico-biological interactions, 218, 107-114 (2014-05-20)
Previously, we demonstrated that sydnone SYD-1 (3-[4-chloro-3-nitrophenyl]-1,2,3-oxadiazolium-5-olate) impairs the mitochondrial functions linked to energy provision and suggested that this effect could be associated with its antitumor activity. Herein, we evaluated the effects of SYD-1 (25 and 50 μM) on rat
Berenice Fernández-Rojas et al.
Molecular and cellular biochemistry, 406(1-2), 183-197 (2015-05-15)
The potential of C-phycocyanin (C-PC) to prevent cisplatin (CP)-induced kidney mitochondrial dysfunction was determined in CD-1 male mice. The CP-induced mitochondrial dysfunction was characterized by ultrastructural abnormalities and by decrease in the following parameters in isolated kidney mitochondria: adenosine diphosphate
Joseph G Crompton et al.
Cancer research, 75(2), 296-305 (2014-11-30)
Adoptive cell therapy (ACT) using autologous tumor-infiltrating lymphocytes (TIL) results in complete regression of advanced cancer in some patients, but the efficacy of this potentially curative therapy may be limited by poor persistence of TIL after adoptive transfer. Pharmacologic inhibition
Marcus Trentzsch et al.
Cell death discovery, 6, 8-8 (2020-03-04)
Genetic obesity increases in liver phosphatidylcholine (PC)/phosphatidylethanolamine (PE) ratio, inducing endoplasmic reticulum (ER) stress without concomitant increase of ER chaperones. Here, it is found that exposing mice to a palm oil-based high fat (HF) diet induced obesity, loss of liver
Melisa Herrero et al.
Neuromolecular medicine, 21(3), 303-313 (2019-05-28)
Vanishing white matter (VWM) disease (OMIM#306896) is an autosomal recessive neurodegenerative leukodystrophy caused by hypomorphic mutations in any of the five genes encoding the subunits of eukaryotic translation initiation factor 2B (eIF2B). The disease is manifested by loss of cerebral
James Hamilton et al.
Human molecular genetics, 24(17), 4862-4878 (2015-06-05)
Alterations in oxidative metabolism are considered to be one of the major contributors to Huntington's disease (HD) pathogenesis. However, existing data about oxidative metabolism in HD are contradictory. Here, we investigated the effect of mutant huntingtin (mHtt) on oxidative metabolism
Miao Wang et al.
Cancer research, 75(23), 5058-5069 (2015-11-19)
Elevated oxidative stress is an aberration seen in many solid tumors, and exploiting this biochemical difference has the potential to enhance the efficacy of anticancer agents. Homeostasis of reactive oxygen species (ROS) is important for normal cell function, but excessive
Li-li Gong et al.
Journal of pharmacological sciences, 126(3), 243-252 (2014-10-17)
Akebia saponin D (ASD) is a typical bioactive triterpenoid saponin obtained from the rhizome of Dipsacus asper Wall. Previous studies have found that ASD has a hepatoprotective effect in a mouse model. The purpose of this paper was to explore
Oihana Errea et al.
Journal of neuroinflammation, 12, 152-152 (2015-08-28)
In brain inflammatory diseases, axonal damage is one of the most critical steps in the cascade that leads to permanent disability. Thus, identifying the initial events triggered by inflammation or oxidative stress that provoke axonal damage is critical for the
Xiaoshan Zhou et al.
Human molecular genetics, 30(21), 2012-2026 (2021-06-26)
Deoxyguanosine kinase (DGUOK) deficiency causes mtDNA depletion and mitochondrial dysfunction. We reported long survival of DGUOK knockout (Dguok-/-) mice despite low (<5%) mtDNA content in liver tissue. However, the molecular mechanisms enabling the extended survival remain unknown. Using transcriptomics, proteomics
Radek Linhart et al.
Molecular neurodegeneration, 9, 23-23 (2014-06-12)
Parkinson's disease (PD) is the most common movement neurodegenerative movement disorder. An incomplete understanding of the molecular pathways involved in its pathogenesis impedes the development of effective disease-modifying treatments. To address this gap, we have previously generated a Drosophila model
Xian Zhou et al.
Cell reports, 34(1), 108601-108601 (2021-01-07)
Immune cells can metabolize glucose, amino acids, and fatty acids (FAs) to generate energy. The roles of different FA species and their impacts on humoral immunity remain poorly understood. Here, we report that proliferating B cells require monounsaturated FAs (MUFAs)
Ji-Won Hwang et al.
Antioxidants (Basel, Switzerland), 10(10) (2021-10-24)
Reactive oxygen species (ROS) and intracellular iron levels are critical modulators of lipid peroxidation that trigger iron-dependent non-apoptotic ferroptosis in myocardial ischemia-reperfusion (I/R) injury. Histochrome (HC), with a potent antioxidant moiety and iron-chelating capacity, is now available in clinical practice.
Yin Duan et al.
EJNMMI research, 4(1), 16-16 (2014-03-14)
123I-CMICE-013 is a novel radiotracer previously reported to have promising characteristics for single-photon emission computed tomography (SPECT) myocardial perfusion imaging. We evaluated the biokinetics and radiodosimetry of this rotenone-like 123I-labeled tracer in a microSPECT imaging-based study. 37 to 111 MBq of
Hisashi Matsuda et al.
Bioorganic & medicinal chemistry, 15(3), 1539-1546 (2006-12-13)
Principal rotenoids (deguelin, tephrosin, rotenone, and 12a-hydroxyrotenone) (3-30microM) isolated from the stems of Erycibe expansa significantly inhibited invasion of human fibrosarcoma HT1080 cells through Matrigel-coated filters and release of proMMPs-2 and 9. In addition, deguelin and tephrosin showed differentiation-inducing activity
Cheng-Chang Yeh et al.
Clinical oral investigations, 19(6), 1463-1471 (2014-12-04)
Triethylene glycol dimethacrylate (TEGDMA) is a common component of resin-based dental composites and endodontic sealers. TEGDMA induces apoptosis in several types of cells. However, the mechanisms are not completely understood. The aim of this study was to investigate the mechanisms
Guoge Han et al.
Investigative ophthalmology & visual science, 54(12), 7567-7577 (2013-10-24)
Previous experiments have demonstrated that short-term hyperglycemia in rats renders the retina resistant to subsequent metabolic insults. The present study aimed to elucidate putative mechanisms involved in this protective response. Retinal cultures comprising neurons and glia were treated with the
Sungho Jin et al.
eLife, 10 (2021-03-11)
The hypothalamic orexigenic Agouti-related peptide (AgRP)-expressing neurons are crucial for the regulation of whole-body energy homeostasis. Here, we show that fasting-induced AgRP neuronal activation is associated with dynamin-related peptide 1 (DRP1)-mediated mitochondrial fission and mitochondrial fatty acid utilization in AgRP
Yasir S Elhassan et al.
Cell reports, 28(7), 1717-1728 (2019-08-15)
Nicotinamide adenine dinucleotide (NAD+) is modulated by conditions of metabolic stress and has been reported to decline with aging in preclinical models, but human data are sparse. Nicotinamide riboside (NR) supplementation ameliorates metabolic dysfunction in rodents. We aimed to establish
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