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Meng X, Huang W, Mo W, Shu T, Yang H, Ning H. ADAMTS-13-regulated nuclear factor E2-related factor 2 signaling inhibits ferroptosis to ameliorate cisplatin-induced acute kidney injuy. Bioengineered 2021; 12:11610-11621. [PMID: 34666603 PMCID: PMC8810018 DOI: 10.1080/21655979.2021.1994707] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 10/12/2021] [Accepted: 10/13/2021] [Indexed: 01/20/2023] Open
Abstract
ADAMTS-13 plays an important role in acute kidney injury (AKI), but the mechanism of cisplatin (CP) induced AKI remains unclear. Ferroptosis is increased in CP-induced AKI, and ADAMTS13 levels are associated with ferritin expression. In this article, we will explore the relationship between the three. After CP induction, mice were given 0.1 and 0.3 nmol/kg ADAMTS-13, and then serum creatinine (Scr) and blood urea nitrogen (BUN) were detected by the kits. The pathological changes of renal tissue were observed by staining with HE and PAS staining, and Western blot detected the expressions of KIM1 and NGAL in renal tissu. Perl's staining detected iron deposition in renal tissues, the kits detected iron levels, and western blot detected the expression of ferroptosis related proteins. Then the mechanism was further explored by adding ferroptosis inhibitors Ferrostatin 1 (Fer-1) and iron supplements Fe. The expression of Nrf2 pathway related proteins were detected by Western blot. We found that ADAMTS13 alleviated CP-induced ferroptosis in AKI mice with renal function impairment and tubular damage. Fer-1partially reversed CP-induced AKI, and Fe exacerbated this effect. ADAMTS13 alleviated CP-induced inflammatory response and oxidative stress in AKI mice, during which the Nrf2 signaling pathway was abnormal. Overall, ADAMTS-13-regulated Nrf2 signaling inhibits ferroptosis to ameliorate CP-induced AKI.
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Affiliation(s)
- Xiaoyan Meng
- Department of Nephrology, The Fourth Affiliated Hospital of Guangxi Medical University, Liuzhou, China
| | - Wenjing Huang
- Department of Nephrology, The Fourth Affiliated Hospital of Guangxi Medical University, Liuzhou, China
| | - Weiwei Mo
- Department of Nephrology, The Fourth Affiliated Hospital of Guangxi Medical University, Liuzhou, China
| | - Tingting Shu
- Department of Nephrology, The Fourth Affiliated Hospital of Guangxi Medical University, Liuzhou, China
| | - Haoqiang Yang
- Department of Nephrology, The Fourth Affiliated Hospital of Guangxi Medical University, Liuzhou, China
| | - Haibo Ning
- Department of General Surgery, The Fourth Affiliated Hospital of Guangxi Medical University, Liuzhou, China
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Saad-El-Din AA, Mazhar A, Khalil W. Role of Spirulina on gamma-irradiated rats using Fourier transform infrared attenuated total reflectance and Electron spin resonance for brain. JOURNAL OF RADIATION RESEARCH AND APPLIED SCIENCES 2020. [DOI: 10.1080/16878507.2020.1756186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Aisha A. Saad-El-Din
- Radiation Physics Department, National Center for Radiation Research & Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt
| | - Aliaa Mazhar
- Radiation Physics Department, National Center for Radiation Research & Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt
| | - Wafaa Khalil
- Biophysics Department, Faculty of Science, Cairo University, Giza, Egypt
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Zhou S, Zheng D, Fan Q, Yan Y, Wang S, Lei Y, Besemer A, Zhou C, Enke C. Minimum dose rate estimation for pulsed FLASH radiotherapy: A dimensional analysis. Med Phys 2020; 47:3243-3249. [PMID: 32279337 DOI: 10.1002/mp.14181] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 03/19/2020] [Accepted: 04/06/2020] [Indexed: 01/28/2023] Open
Abstract
PURPOSE/OBJECTIVES To provide an order of magnitude estimate of the minimum dose rate ( R min ) required by pulsed ultra-high dose rate radiotherapy (FLASH RT) using dimensional analysis. MATERIALS/METHODS In this study, we postulate that radiation-induced transient hypoxia inside normal tissue cells during FLASH RT results in better normal tissue sparing over conventional dose rate radiotherapy. We divide the process of cell irradiation by an ultra-short radiation pulse into three sequential phases: (a) The radiation pulse interacts with the normal tissue cells and produces radiation-induced species. (b) The radiation-induced species react with oxygen molecules and reduce the cell environmental oxygen concentration ( O 2 ). (c) Oxygen molecules, from nearest capillaries, diffuse slowly back into the resulted low O 2 regions. By balancing the radiation-induced oxygen depletion in phase II and diffusion-resulted O 2 replenishment in phase III, we can estimate the maximum allowed pulse repetition interval to produce a pulse-to-pulse superimposed O 2 reduction against the baseline O 2 . If we impose a threshold in radiosensitivity reduction to achieve clinically observable radiotherapy oxygen effect and combine the processes mentioned above, we could estimate the R min required for pulsed FLASH RT through dimensional analysis. RESULTS The estimated R min required for pulsed FLASH RT is proportional to the product of the oxygen diffusion coefficient and O 2 inside the cell, and inversely proportional to the product of the square of the oxygen diffusion distance and the drop of intracellular O 2 per unit radiation dose. Under typical conditions, our estimation matches the order of magnitude with the dose rates observed in the recent FLASH RT experiments. CONCLUSIONS The R min introduced in this paper can be useful when designing a FLASH RT system. Additionally, our analysis of the chemical and physical processes may provide some insights into the FLASH RT mechanism.
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Affiliation(s)
- Sumin Zhou
- Department of Radiation Oncology, University of Nebraska Medical Center, Omaha, NE, 68135, USA
| | - Dandan Zheng
- Department of Radiation Oncology, University of Nebraska Medical Center, Omaha, NE, 68135, USA
| | - Qiyong Fan
- Department of Radiation Oncology, University of Nebraska Medical Center, Omaha, NE, 68135, USA
| | - Ying Yan
- Department of Radiation Oncology, University of Nebraska Medical Center, Omaha, NE, 68135, USA
| | - Shuo Wang
- Department of Radiation Oncology, University of Nebraska Medical Center, Omaha, NE, 68135, USA
| | - Yu Lei
- Department of Radiation Oncology, University of Nebraska Medical Center, Omaha, NE, 68135, USA
| | - Abigail Besemer
- Department of Radiation Oncology, University of Nebraska Medical Center, Omaha, NE, 68135, USA
| | - Christina Zhou
- Department of Radiation Oncology, University of Nebraska Medical Center, Omaha, NE, 68135, USA
| | - Charles Enke
- Department of Radiation Oncology, University of Nebraska Medical Center, Omaha, NE, 68135, USA
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Ferroptosis as an emerging target in inflammatory diseases. PROGRESS IN BIOPHYSICS AND MOLECULAR BIOLOGY 2020; 155:20-28. [PMID: 32311424 DOI: 10.1016/j.pbiomolbio.2020.04.001] [Citation(s) in RCA: 127] [Impact Index Per Article: 25.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 04/08/2020] [Accepted: 04/12/2020] [Indexed: 12/15/2022]
Abstract
Cell survival or death is one critical issue in inflammatory responses. Ferroptosis, which is characterized by iron-dependent lethal lipid peroxidation, has been found to participate in the development of cancers, degenerative brain diseases and ischemia-reperfusion injuries. Incorporation of polyunsaturated fatty acids (PUFAs) into cellular membranes represents a vulnerability to invasion of microbials and sterile stimuli. In addition, the competition for iron in the battle between microbials and host cells underlies infection development. Although host cells have been equipped with complex antioxidant systems to combat lethal accumulation of lipid peroxidation, emerging evidence suggests several pathogens may target PUFAs in the cell membrane, and manipulate ferroptosis as a way for pathogen propagation. Moreover, ferroptosis takes part in the progression of sterile inflammations, such as cigarette smoke-induced chronic obstructive pulmonary disease, stroke and ischemia-reperfusion injuries. As iron-dependent oxidative stress and lipid peroxidation are common features for ferroptosis and inflammatory diseases, underlying mechanisms linking such pathological conditions will be discussed in this review. Progress in the research of ferroptosis may shed more light on the etiology and treatment of inflammatory diseases.
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Moser JC, Rawal M, Wagner BA, Du J, Cullen JJ, Buettner GR. Pharmacological ascorbate and ionizing radiation (IR) increase labile iron in pancreatic cancer. Redox Biol 2013; 2:22-7. [PMID: 24396727 PMCID: PMC3881203 DOI: 10.1016/j.redox.2013.11.005] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2013] [Revised: 11/13/2013] [Accepted: 11/14/2013] [Indexed: 02/04/2023] Open
Abstract
Labile iron, i.e. iron that is weakly bound and is relatively unrestricted in its redox activity, has been implicated in both the pathogenesis as well as treatment of cancer. Two cancer treatments where labile iron may contribute to their mechanism of action are pharmacological ascorbate and ionizing radiation (IR). Pharmacological ascorbate has been shown to have tumor-specific toxic effects due to the formation of hydrogen peroxide. By catalyzing the oxidation of ascorbate, labile iron can enhance the rate of formation of hydrogen peroxide; labile iron can also react with hydrogen peroxide. Here we have investigated the magnitude of the labile iron pool in tumor and normal tissue. We also examined the ability of pharmacological ascorbate and IR to change the size of the labile iron pool. Although a significant amount of labile iron was seen in tumors (MIA PaCa-2 cells in athymic nude mice), higher levels were seen in murine tissues that were not susceptible to pharmacological ascorbate. Pharmacological ascorbate and irradiation were shown to increase the labile iron in tumor homogenates from this murine model of pancreatic cancer. As both IR and pharmacological ascorbate may rely on labile iron for their effects on tumor tissues, our data suggest that pharmacological ascorbate could be used as a radio-sensitizing agent for some radio-resistant tumors. EPR can detect chelatable iron in tissue as ferrioxamine. Chelatable iron varies widely with type of tissue. Pharmacological ascorbate increases the amount of chelatable iron in tissue.
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Affiliation(s)
- Justin C Moser
- Free Radical and Radiation Biology Program and ESR Facility, Department of Radiation Oncology, The University of Iowa, Iowa City, IA, USA
| | - Malvika Rawal
- Free Radical and Radiation Biology Program and ESR Facility, Department of Radiation Oncology, The University of Iowa, Iowa City, IA, USA
| | - Brett A Wagner
- Free Radical and Radiation Biology Program and ESR Facility, Department of Radiation Oncology, The University of Iowa, Iowa City, IA, USA
| | - Juan Du
- Free Radical and Radiation Biology Program and ESR Facility, Department of Radiation Oncology, The University of Iowa, Iowa City, IA, USA
| | - Joseph J Cullen
- Free Radical and Radiation Biology Program and ESR Facility, Department of Radiation Oncology, The University of Iowa, Iowa City, IA, USA ; Department of Surgery, The University of Iowa, Iowa City, IA, USA ; Holden Comprehensive Cancer Center, The University of Iowa, Iowa City, IA, USA
| | - Garry R Buettner
- Free Radical and Radiation Biology Program and ESR Facility, Department of Radiation Oncology, The University of Iowa, Iowa City, IA, USA ; Holden Comprehensive Cancer Center, The University of Iowa, Iowa City, IA, USA
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Pretorius E, Vermeulen N, Bester J, Lipinski B, Kell DB. A novel method for assessing the role of iron and its functional chelation in fibrin fibril formation: the use of scanning electron microscopy. Toxicol Mech Methods 2013; 23:352-9. [DOI: 10.3109/15376516.2012.762082] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Rousseau I, Galleano M, Puntarulo S. Fe Allocation in Liver during Early Stages of Endotoxemia in Fe-Overload Rats. Toxicol Pathol 2011; 39:1075-83. [DOI: 10.1177/0192623311425057] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Ivan Rousseau
- Physical Chemistry–PRALIB, School of Pharmacy and Biochemistry, Buenos Aires, Argentina
| | - Monica Galleano
- Physical Chemistry–PRALIB, School of Pharmacy and Biochemistry, Buenos Aires, Argentina
| | - Susana Puntarulo
- Physical Chemistry–PRALIB, School of Pharmacy and Biochemistry, Buenos Aires, Argentina
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Yoon JH, An SH, Kyeong IG, Lee MS, Kwon SC, Kang JH. Oxidative modification of ferritin induced by hydrogen peroxide. BMB Rep 2011; 44:165-9. [PMID: 21429293 DOI: 10.5483/bmbrep.2011.44.3.165] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Excess free iron generates oxidative stress that may contribute to the pathogenesis of various causes of neurodegenerative diseases. In this study, we assessed the modification of ferritin induced by H(2)O(2). When ferritin was incubated with H(2)O(2), the degradation of ferritin L-chain increased with the H(2)O(2) concentration whereas ferritin H-chain was remained. Free radical scavengers, azide, thiourea, and N-acetyl-(L)-cysteine suppressed the H(2)O(2)-mediated ferritin modification. The iron specific chelator, deferoxamine, effectively prevented H(2)O(2)-mediated ferritin degradation in modified ferritin. The release of iron ions from ferritin was increased in H(2)O(2) concentration-dependent manner. The present results suggest that free radicals may play a role in the modification and iron releasing of ferritin by H(2)O(2). It is assumed that oxidative damage of ferritin by H(2)O(2) may induce the increase of iron content in cells and subsequently lead to the deleterious condition.
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Affiliation(s)
- Jung Hwan Yoon
- Department of Genetic Engineering, Cheongju University, Korea
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González PM, Puntarulo S. Iron and nitrosative metabolism in the Antarctic mollusc Laternula elliptica. Comp Biochem Physiol C Toxicol Pharmacol 2011; 153:243-50. [PMID: 21094695 DOI: 10.1016/j.cbpc.2010.11.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2010] [Revised: 11/06/2010] [Accepted: 11/08/2010] [Indexed: 01/17/2023]
Abstract
The objective of this work was to study Fe distribution, and oxidative and nitrosative metabolism in Laternula elliptica for physiological analysis and interspecific comparisons. Lipid peroxidation, superoxide dismutase and catalase activity and total Fe content were estimated in the digestive glands (DG) of L. elliptica. The labile Fe pool (LIP) represents the amount of cellular Fe responsible for catalyzing radical-dependent reactions. LIP assessed by the calcein assay, represents 3.5% of the total Fe in L. elliptica. Experimental isolation of ferritin (Ft) was performed. Subunit analyses of the protein by SDS-polyacrilamide gel electrophoresis indicated that the protein was composed of 20.6kDa protein subunits, consistent with the horse spleen Ft and the molecular weight markers, however, a higher molecular mass subunit could appear. The identity of the protein was confirmed by Western blot analysis. The nitrate+nitrite content was 73±7pmol/mg fresh mass (FW). The nitric oxide (NO) content in DG homogenates, assessed by electronic paramagnetic resonance (EPR) spin trapping measurements using the NO trap sodium-N-methyl-D-glucamine dithiocarbamate-Fe at room temperature, was 30±2pmol/mg FW. Nitric oxide synthase-like activity (1.50±0.09pmol/mg FW min) was assessed by measuring NO production by EPR in the presence of L-arginine (L-A) and NADPH. This activity was significantly inhibited by L-A analogs such as Nω-nitro-L-arginine methyl ester hydrochloride (-77%) and Nω-nitro-L-arginine (-62%), or by the lack of added L-A (-55%). The data presented here documented the physiological presence of labile Fe, Ft and highly reactive nitrogen species, and are the first evidence that support the hypothesis that NO being generated in L. elliptica might contribute to restrict oxidative damage by a close link with Fe metabolism.
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Affiliation(s)
- Paula Mariela González
- Physical Chemistry-PRALIB, School of Pharmacy and Biochemistry, University of Buenos Aires, Junin 956, 1113 Buenos Aires, Argentina
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Arosio P, Levi S. Cytosolic and mitochondrial ferritins in the regulation of cellular iron homeostasis and oxidative damage. BIOCHIMICA ET BIOPHYSICA ACTA 2010; 1800:783-92. [PMID: 20176086 DOI: 10.1016/j.bbagen.2010.02.005] [Citation(s) in RCA: 236] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2009] [Revised: 02/10/2010] [Accepted: 02/15/2010] [Indexed: 01/11/2023]
Abstract
BACKGROUND Ferritin structure is designed to maintain large amounts of iron in a compact and bioavailable form in solution. All ferritins induce fast Fe(II) oxidation in a reaction catalyzed by a ferroxidase center that consumes Fe(II) and peroxides, the reagents that produce toxic free radicals in the Fenton reaction, and thus have anti-oxidant effects. Cytosolic ferritins are composed of the H- and L-chains, whose expression are regulated by iron at a post-transcriptional level and by oxidative stress at a transcriptional level. The regulation of mitochondrial ferritin expression is presently unclear. SCOPE OF REVIEW The scope of the review is to update recent progress regarding the role of ferritins in the regulation of cellular iron and in the response to oxidative stress with particular attention paid to the new roles described for cytosolic ferritins, to genetic disorders caused by mutations of the ferritin L-chain, and new findings on mitochondrial ferritin. MAJOR CONCLUSIONS The new data on the adult conditional knockout (KO) mice for the H-chain and on the hereditary ferritinopathies with mutations that reduce ferritin functionality strongly indicate that the major role of ferritins is to protect from the oxidative damage caused by iron deregulation. In addition, the study of mitochondrial ferritin, which is not iron-regulated, indicates that it participates in the protection against oxidative damage, particularly in cells with high oxidative activity. GENERAL SIGNIFICANCE Ferritins have a central role in the protection against oxidative damage, but they are also involved in non-iron-dependent processes.
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Affiliation(s)
- Paolo Arosio
- Department of Chemistry, Faculty of Medicine, University of Brescia, Viale Europa 11, 25125 Brescia, Italy.
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