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Friese S, Heinze T, Ebert F, Schwerdtle T. Establishment of a nonradioactive DNA ligation assay and its applications in murine tissues. ENVIRONMENTAL AND MOLECULAR MUTAGENESIS 2024; 65:106-115. [PMID: 38767089 DOI: 10.1002/em.22602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Revised: 04/06/2024] [Accepted: 04/15/2024] [Indexed: 05/22/2024]
Abstract
As final process of every DNA repair pathway, DNA ligation is crucial for maintaining genomic stability and preventing DNA strand breaks to accumulate. Therefore, a method reliably assessing DNA ligation capacity in protein extracts from murine tissues was aimed to establish. To optimize applicability, the use of radioactively labeled substrates was avoided and replaced by fluorescently labeled oligonucleotides. Briefly, tissue extracts were incubated with those complementary oligonucleotides so that in an ensuing gel electrophoresis ligated strands could be separated from unconnected molecules. Originally, the method was intended for use in cerebellum tissue to further elucidate possible mechanisms of neurodegenerative diseases. However, due to its inhomogeneous anatomy, DNA ligation efficiency varied strongly between different cerebellar areas, illuminating the established assay to be suitable only for homogenous organs. Thus, for murine liver tissue sufficient intra- and interday repeatability was shown during validation. In further experiments, the established assay was applied to an animal study comprising young and old (24 and 110 weeks) mice which showed that DNA ligation efficiency was affected by neither sex nor age. Finally, the impact of in vitro addition of the trace elements copper, iron, and zinc on DNA ligation in tissue extracts was investigated. While all three metals inhibited DNA ligation, variations in their potency became evident. In conclusion, the established method can be reliably used for investigation of DNA ligation efficiency in homogenous murine tissues.
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Affiliation(s)
- Sharleen Friese
- Department of Food Chemistry, Institute of Nutritional Science, University of Potsdam, Nuthetal, Germany
- TraceAge - DFG Research Unit on Interactions of Essential Trace Elements in Healthy and Diseased Elderly (FOR 2558), Berlin-Potsdam-Jena-Wuppertal, Germany
| | - Tom Heinze
- Department of Food Chemistry, Institute of Nutritional Science, University of Potsdam, Nuthetal, Germany
- TraceAge - DFG Research Unit on Interactions of Essential Trace Elements in Healthy and Diseased Elderly (FOR 2558), Berlin-Potsdam-Jena-Wuppertal, Germany
| | - Franziska Ebert
- Department of Food Chemistry, Institute of Nutritional Science, University of Potsdam, Nuthetal, Germany
| | - Tanja Schwerdtle
- Department of Food Chemistry, Institute of Nutritional Science, University of Potsdam, Nuthetal, Germany
- TraceAge - DFG Research Unit on Interactions of Essential Trace Elements in Healthy and Diseased Elderly (FOR 2558), Berlin-Potsdam-Jena-Wuppertal, Germany
- German Federal Institute for Risk Assessment (BfR), Berlin, Germany
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Safarbalou A, Ebrahimi F, Amiri FT, Hosseinimehr SJ. Radioprotective Effect of Piperine, as a Major Component of Black Pepper, Against Radiation-induced Colon Injury: Biochemical and Histological Studies. Curr Radiopharm 2024; 17:38-45. [PMID: 37489775 DOI: 10.2174/1874471016666230725112319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 05/16/2023] [Accepted: 06/20/2023] [Indexed: 07/26/2023]
Abstract
BACKGROUND Patients undergoing radiotherapy are prone to radiation-induced gastrointestinal injury. Piperine is an alkaloid component in black pepper with a unique chemopreventive activity against oxidative stress-related damage in healthy tissues. The purpose of this study was to investigate the effects of piperine on intestinal damage. METHODS In this study, mice were divided into eight groups: including the control, piperine (10, 25, and 50 mg/kg), radiation (6 Gy), and piperine+radiation (10, 25 and 50 mg/kg + 6 Gy) groups. The radioprotective effects of piperine were evaluated by biochemical (MDA, GSH, and PC) and histopathological assessments in colon tissues. RESULTS The 10 mg/kg dose of piperine significantly reduced the levels of oxidative stress biomarkers compared to the group that received only radiation. In addition, pre-treatment with 10 mg/kg piperine diminished the histopathological changes like vascular congestion in the submucosa, while the dose of 50 mg/kg led to the infiltration of inflammatory cells. CONCLUSION Based on this study, it is concluded that piperine, at low dose, with its antioxidant properties, could reduce the colon damage caused by radiation.
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Affiliation(s)
- Asal Safarbalou
- Department of Pharmacy, Ramsar Campous, Mazandaran University of Medical Sciences, Ramsar, Iran
| | - Fatemeh Ebrahimi
- Department of Radiopharmacy, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
| | - Fereshteh Talebpour Amiri
- Department of Anatomy, Faculty of Medicine, Molecular and Cell Biology Research Center, Mazandaran University of Medical Sciences, Sari, Iran
| | - Seyed Jalal Hosseinimehr
- Department of Radiopharmacy, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
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Rovani BT, Rissi VB, Rovani MT, Gasperin BG, Baumhardt T, Bordignon V, Bauermann LDF, Missio D, Gonçalves PBD. Analysis of nuclear maturation, DNA damage and repair gene expression of bovine oocyte and cumulus cells submitted to ionizing radiation. Anim Reprod 2023; 20:e20230021. [PMID: 37293252 PMCID: PMC10247184 DOI: 10.1590/1984-3143-ar2023-0021] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 05/04/2023] [Indexed: 06/10/2023] Open
Abstract
Radiotherapy causes destruction of tumor cells, but also threatens the integrity and survival of surrounding normal cells. Then, woman submitted to irradiation for cancer treatment may present permanent ovary damage, resulting in impaired fertility. The objective of this study was to investigate the effects of therapeutic doses of ionizing radiation (IR), used for ovarian cancer treatment in humans, on bovine cumulus-oocyte complexes (COCs) as experimental model. Bovine ovaries were exposed to 0.9 Gy, 1.8 Gy, 3.6 Gy or 18.6 Gy IR, and then COCs were collected and used to evaluate: (a) oocyte nuclear maturation; (b) presence of phosphorylated H2A.X (γH2AX), as an indicator of DNA double-strand breaks (DSBs); and (c) expression of genes involved in DNA repair (TP53BP1, RAD52, ATM, XRCC6 and XRCC5) and apoptosis (BAX). The radiation doses tested in this study had no detrimental effects on nuclear maturation and did not increase γH2AX in the oocytes. However, IR treatment altered the mRNA abundance of RAD52 (RAD52 homolog, DNA repair protein) and BAX (BCL2-associated X protein). We conclude that although IR doses had no apparent effect on oocyte nuclear maturation and DNA damage, molecular pathways involved in DNA repair and apoptosis were affected by IR exposure in cumulus cells.
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Affiliation(s)
- Bruno Tomazele Rovani
- Laboratório de Biotecnologia e Reprodução Animal, Universidade Federal de Santa Maria, Santa Maria, RS, Brasil
| | - Vitor Braga Rissi
- Laboratório de Biotecnologia e Reprodução Animal, Universidade Federal de Santa Maria, Santa Maria, RS, Brasil
| | - Monique Tomazele Rovani
- Laboratório de Biotecnologia e Reprodução Animal, Universidade Federal de Santa Maria, Santa Maria, RS, Brasil
| | | | - Tadeu Baumhardt
- Serviço de Radioterapia, Hospital Universitário de Santa Maria, Universidade Federal de Santa Maria, Santa Maria, RS, Brasil
| | - Vilceu Bordignon
- Department of Animal Science, McGill University, Sainte Anne de Bellevue, QC, Canada
| | | | - Daniele Missio
- Laboratório de Biotecnologia e Reprodução Animal, Universidade Federal de Santa Maria, Santa Maria, RS, Brasil
| | - Paulo Bayard Dias Gonçalves
- Laboratório de Biotecnologia e Reprodução Animal, Universidade Federal de Santa Maria, Santa Maria, RS, Brasil
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Xie D, Huang Q, Zhou P. Drug Discovery Targeting Post-Translational Modifications in Response to DNA Damages Induced by Space Radiation. Int J Mol Sci 2023; 24:ijms24087656. [PMID: 37108815 PMCID: PMC10142602 DOI: 10.3390/ijms24087656] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 04/07/2023] [Accepted: 04/14/2023] [Indexed: 04/29/2023] Open
Abstract
DNA damage in astronauts induced by cosmic radiation poses a major barrier to human space exploration. Cellular responses and repair of the most lethal DNA double-strand breaks (DSBs) are crucial for genomic integrity and cell survival. Post-translational modifications (PTMs), including phosphorylation, ubiquitylation, and SUMOylation, are among the regulatory factors modulating a delicate balance and choice between predominant DSB repair pathways, such as non-homologous end joining (NHEJ) and homologous recombination (HR). In this review, we focused on the engagement of proteins in the DNA damage response (DDR) modulated by phosphorylation and ubiquitylation, including ATM, DNA-PKcs, CtIP, MDM2, and ubiquitin ligases. The involvement and function of acetylation, methylation, PARylation, and their essential proteins were also investigated, providing a repository of candidate targets for DDR regulators. However, there is a lack of radioprotectors in spite of their consideration in the discovery of radiosensitizers. We proposed new perspectives for the research and development of future agents against space radiation by the systematic integration and utilization of evolutionary strategies, including multi-omics analyses, rational computing methods, drug repositioning, and combinations of drugs and targets, which may facilitate the use of radioprotectors in practical applications in human space exploration to combat fatal radiation hazards.
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Affiliation(s)
- Dafei Xie
- Department of Radiation Biology, Beijing Key Laboratory for Radiobiology (BKLRB), Beijing Institute of Radiation Medicine, Taiping Road 27th, Haidian District, Beijing 100850, China
| | - Qi Huang
- Department of Radiation Biology, Beijing Key Laboratory for Radiobiology (BKLRB), Beijing Institute of Radiation Medicine, Taiping Road 27th, Haidian District, Beijing 100850, China
- Department of Preventive Medicine, School of Public Health, University of South China, Changsheng West Road 28th, Zhengxiang District, Hengyang 421001, China
| | - Pingkun Zhou
- Department of Radiation Biology, Beijing Key Laboratory for Radiobiology (BKLRB), Beijing Institute of Radiation Medicine, Taiping Road 27th, Haidian District, Beijing 100850, China
- Department of Preventive Medicine, School of Public Health, University of South China, Changsheng West Road 28th, Zhengxiang District, Hengyang 421001, China
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Ehudin MA, Golla U, Trivedi D, Potlakayala SD, Rudrabhatla SV, Desai D, Dovat S, Claxton D, Sharma A. Therapeutic Benefits of Selenium in Hematological Malignancies. Int J Mol Sci 2022; 23:ijms23147972. [PMID: 35887320 PMCID: PMC9323677 DOI: 10.3390/ijms23147972] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 07/09/2022] [Accepted: 07/12/2022] [Indexed: 12/14/2022] Open
Abstract
Supplementing chemotherapy and radiotherapy with selenium has been shown to have benefits against various cancers. This approach has also been shown to alleviate the side effects associated with standard cancer therapies and improve the quality of life in patients. In addition, selenium levels in patients have been correlated with various cancers and have served as a diagnostic marker to track the efficiency of treatments or to determine whether these selenium levels cause or are a result of the disease. This concise review presents a survey of the selenium-based literature, with a focus on hematological malignancies, to demonstrate the significant impact of selenium in different cancers. The anti-cancer mechanisms and signaling pathways regulated by selenium, which impart its efficacious properties, are discussed. An outlook into the relationship between selenium and cancer is highlighted to guide future cancer therapy development.
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Affiliation(s)
- Melanie A. Ehudin
- Division of Hematology and Oncology, Department of Pediatrics, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA; (M.A.E.); (S.D.)
| | - Upendarrao Golla
- Division of Hematology and Oncology, Department of Medicine, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA; (U.G.); (D.C.)
- Penn State Cancer Institute, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA; (D.T.); (D.D.)
| | - Devnah Trivedi
- Penn State Cancer Institute, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA; (D.T.); (D.D.)
| | - Shobha D. Potlakayala
- Department of Biological Sciences, School of Science Engineering and Technology, Penn State Harrisburg, Middletown, PA 17057, USA; (S.D.P.); (S.V.R.)
| | - Sairam V. Rudrabhatla
- Department of Biological Sciences, School of Science Engineering and Technology, Penn State Harrisburg, Middletown, PA 17057, USA; (S.D.P.); (S.V.R.)
| | - Dhimant Desai
- Penn State Cancer Institute, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA; (D.T.); (D.D.)
- Department of Pharmacology, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA
| | - Sinisa Dovat
- Division of Hematology and Oncology, Department of Pediatrics, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA; (M.A.E.); (S.D.)
| | - David Claxton
- Division of Hematology and Oncology, Department of Medicine, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA; (U.G.); (D.C.)
- Penn State Cancer Institute, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA; (D.T.); (D.D.)
| | - Arati Sharma
- Division of Hematology and Oncology, Department of Medicine, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA; (U.G.); (D.C.)
- Penn State Cancer Institute, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA; (D.T.); (D.D.)
- Department of Pharmacology, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA
- Correspondence:
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Obrador E, Salvador-Palmer R, Villaescusa JI, Gallego E, Pellicer B, Estrela JM, Montoro A. Nuclear and Radiological Emergencies: Biological Effects, Countermeasures and Biodosimetry. Antioxidants (Basel) 2022; 11:1098. [PMID: 35739995 PMCID: PMC9219873 DOI: 10.3390/antiox11061098] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 05/26/2022] [Accepted: 05/27/2022] [Indexed: 11/17/2022] Open
Abstract
Atomic and radiological crises can be caused by accidents, military activities, terrorist assaults involving atomic installations, the explosion of nuclear devices, or the utilization of concealed radiation exposure devices. Direct damage is caused when radiation interacts directly with cellular components. Indirect effects are mainly caused by the generation of reactive oxygen species due to radiolysis of water molecules. Acute and persistent oxidative stress associates to radiation-induced biological damages. Biological impacts of atomic radiation exposure can be deterministic (in a period range a posteriori of the event and because of destructive tissue/organ harm) or stochastic (irregular, for example cell mutation related pathologies and heritable infections). Potential countermeasures according to a specific scenario require considering basic issues, e.g., the type of radiation, people directly affected and first responders, range of doses received and whether the exposure or contamination has affected the total body or is partial. This review focuses on available medical countermeasures (radioprotectors, radiomitigators, radionuclide scavengers), biodosimetry (biological and biophysical techniques that can be quantitatively correlated with the magnitude of the radiation dose received), and strategies to implement the response to an accidental radiation exposure. In the case of large-scale atomic or radiological events, the most ideal choice for triage, dose assessment and victim classification, is the utilization of global biodosimetry networks, in combination with the automation of strategies based on modular platforms.
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Affiliation(s)
- Elena Obrador
- Department of Physiology, Faculty of Medicine and Odontology, University of Valencia, 46010 Valencia, Spain; (R.S.-P.); (B.P.); (J.M.E.)
| | - Rosario Salvador-Palmer
- Department of Physiology, Faculty of Medicine and Odontology, University of Valencia, 46010 Valencia, Spain; (R.S.-P.); (B.P.); (J.M.E.)
| | - Juan I. Villaescusa
- Service of Radiological Protection, Clinical Area of Medical Image, La Fe University Hospital, 46026 Valencia, Spain; (J.I.V.); (A.M.)
- Biomedical Imaging Research Group GIBI230, Health Research Institute (IISLaFe), La Fe University Hospital, 46026 Valencia, Spain
| | - Eduardo Gallego
- Energy Engineering Department, School of Industrial Engineering, Polytechnic University of Madrid, 28040 Madrid, Spain;
| | - Blanca Pellicer
- Department of Physiology, Faculty of Medicine and Odontology, University of Valencia, 46010 Valencia, Spain; (R.S.-P.); (B.P.); (J.M.E.)
| | - José M. Estrela
- Department of Physiology, Faculty of Medicine and Odontology, University of Valencia, 46010 Valencia, Spain; (R.S.-P.); (B.P.); (J.M.E.)
| | - Alegría Montoro
- Service of Radiological Protection, Clinical Area of Medical Image, La Fe University Hospital, 46026 Valencia, Spain; (J.I.V.); (A.M.)
- Biomedical Imaging Research Group GIBI230, Health Research Institute (IISLaFe), La Fe University Hospital, 46026 Valencia, Spain
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The Influence of Heavy Metals on Gastric Tumorigenesis. JOURNAL OF ONCOLOGY 2022; 2022:6425133. [PMID: 35669240 PMCID: PMC9167133 DOI: 10.1155/2022/6425133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 05/01/2022] [Accepted: 05/12/2022] [Indexed: 12/24/2022]
Abstract
Objectives This study aimed to observe the relationship among heavy metals concentration, microsatellite instability (MSI), and human epidermal growth factor receptor type 2 (HER2) gene amplification in gastric cancer (GC) patients. Methods The concentrations of 18 heavy metals in the plasma of GC patients and healthy controls were measured by inductive coupled plasma emission spectrometry (ICP-MS). MSI detection was conducted by detecting 5 microsatellite repeat markers by PCR analysis. HER2 gene amplification was detected by fluorescence in situ hybridization (FISH). The relationship among heavy metal elements, tumor biomarkers, HER2 amplification, and MSI status was analyzed by Pearson correlation analysis. Results A total of 105 GC patients and 62 healthy controls were recruited in this study. The concentration of arsenic (As), chromium (Cr), cuprum (Cu), mercury (Hg), manganese (Mn), lead (Pb), stibium (Sb), selenium (Se), stannum (Sn), strontium (Sr), thallium (Tl), vanadium (V), and zinc (Zn) were significantly different between GC patients and controls. Among 105 GC patients, including 87 microsatellite-stable (MSS) samples and 18 MSI samples, the concentration of Ga is significantly higher in the MSI group than that in the MSS group. Meanwhile, in 97 GC patients having detected HER2 gene amplification, 69 of 97 had negative HER2 gene amplification and the rest 28 GC patients had positive HER2 gene amplification. The concentration of Hg, Sn, and Tl is noticeably higher in the HER2 positive group than in the HER2 negative group. Only Sb was positively correlated with MSI, but none of these heavy metals was correlated with HER2 gene amplification. Conclusions The results indicated that Sb has significant positive correlation with the MSI status, which suggests that Sb may cause MSI in GC. However, further research studies are required to elucidate the mechanisms in the near feature.
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Auttara-atthakorn A, Sungmala J, Anothaisintawee T, Reutrakul S, Sriphrapradang C. Prevention of salivary gland dysfunction in patients treated with radioiodine for differentiated thyroid cancer: A systematic review of randomized controlled trials. Front Endocrinol (Lausanne) 2022; 13:960265. [PMID: 36105397 PMCID: PMC9465079 DOI: 10.3389/fendo.2022.960265] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 08/11/2022] [Indexed: 11/28/2022] Open
Abstract
INTRODUCTION Salivary gland dysfunction (e.g., sialadenitis and xerostomia) is the most common complication of radioactive iodine (RAI) therapy for differentiated thyroid cancer (DTC). Several methods have been used to reduce/prevent this adverse effect. We aimed to systematically review the effectiveness of non-pharmacological and pharmacological interventions in preventing RAI-induced salivary gland dysfunction in patients with DTC. METHODS A systematic review was conducted, according to PRISMA guidelines. The protocol was registered (PROSPERO: CRD42022295229). PubMed, Embase, Scopus, and the Cochrane Library electronic databases were searched from inception to November 2021. Inclusion criteria were randomized controlled trials of DTC patients who were older than 18 years and underwent RAI after thyroidectomy in which at least one studied group received an intervention to prevent salivary gland dysfunction. RESULTS Twelve studies (a total of 667 participants) were included. Among DTC patients who were treated with RAI, nonpharmacological treatment such as parotid gland massage and aromatherapy ameliorated salivary gland dysfunction. Antioxidants such as vitamin E and selenium demonstrated radioprotective effects on the salivary gland, while other antioxidants did not show radioprotective benefits. Vitamin C showed no significant effects on preventing salivary gland dysfunction. Amifostine had inconsistent outcomes among studies. Among cholinergic agonists, pilocarpine did not demonstrate the radioprotective effect on parotid glands, while bethanechol lowered salivary gland dysfunction. However, the negative results from pilocarpine may be explained by the strong sialorrheic effect of the Cincinnati regimen in both study arms. CONCLUSION Among non-pharmacological and pharmacological methods, parotid gland massage, aromatherapy, vitamin E, selenium, amifostine, and bethanechol may have benefits in minimizing RAI-induced salivary gland dysfunction in patients with DTC. The results are limited by a small number of patients and should be confirmed in future larger randomized controlled trials. SYSTEMATIC REVIEW REGISTRATION https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=295229, PROSPERO, identifier CRD42022295229.
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Affiliation(s)
- Arunrat Auttara-atthakorn
- Division of Endocrinology and Metabolism, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Jaruwan Sungmala
- Division of Endocrinology and Metabolism, Faculty of Medicine, HRH Princess Maha Chakri Sirindhorn Medical Center, Srinakharinwirot University, Nakornnayok, Thailand
| | - Thunyarat Anothaisintawee
- Department of Family Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Sirimon Reutrakul
- Division of Endocrinology and Metabolism, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, University of Illinois at Chicago, Chicago, IL, United States
| | - Chutintorn Sriphrapradang
- Division of Endocrinology and Metabolism, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
- *Correspondence: Chutintorn Sriphrapradang, ;
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Calaf GM, Crispin LA, Roy D, Aguayo F, Muñoz JP, Bleak TC. Gene Signatures Induced by Ionizing Radiation as Prognostic Tools in an In Vitro Experimental Breast Cancer Model. Cancers (Basel) 2021; 13:4571. [PMID: 34572798 PMCID: PMC8465284 DOI: 10.3390/cancers13184571] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 09/02/2021] [Accepted: 09/07/2021] [Indexed: 11/16/2022] Open
Abstract
This study aimed to analyze the expression of genes involved in radiation, using an Affymetrix system with an in vitro experimental breast cancer model developed by the combined treatment of low doses of high linear energy transfer (LET) radiation α particle radiation and estrogen yielding different stages in a malignantly transformed breast cancer cell model called Alpha model. Altered expression of different molecules was detected in the non-tumorigenic Alpha3, a malignant cell line transformed only by radiation and originally derived from the parental MCF-10F human cell line; that was compared with the Alpha 5 cell line, another cell line exposed to radiation and subsequently grown in the presence 17β-estradiol. This Alpha5, a tumorigenic cell line, originated the Tumor2 cell line. It can be summarized that the Alpha 3 cell line was characterized by greater gene expression of ATM and IL7R than control, Alpha5, and Tumor2 cell lines, it presented higher selenoprotein gene expression than control and Tumor2; epsin 3 gene expression was higher than control; stefin A gene expression was higher than Alpha5; and metallothionein was higher than control and Tumor2 cell line. Therefore, radiation, independently of estrogen, induced increased ATM, IL7R, selenoprotein, GABA receptor, epsin, stefin, and metallothioneins gene expression in comparison with the control. Results showed important findings of genes involved in cancers of the breast, lung, nervous system, and others. Most genes analyzed in these studies can be used for new prognostic tools and future therapies since they affect cancer progression and metastasis. Most of all, it was revealed that in the Alpha model, a breast cancer model developed by the authors, the cell line transformed only by radiation, independently of estrogen, was characterized by greater gene expression than other cell lines. Understanding the effect of radiotherapy in different cells will help us improve the clinical outcome of radiotherapies. Thus, gene signature has been demonstrated to be specific to tumor types, hence cell-dependency must be considered in future treatment planning. Molecular and clinical features affect the results of radiotherapy. Thus, using gene technology and molecular information is possible to improve therapies and reduction of side effects while providing new insights into breast cancer-related fields.
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Affiliation(s)
- Gloria M. Calaf
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica 1000000, Chile; (L.A.C.); (J.P.M.); (T.C.B.)
- Center for Radiological Research, Columbia University Medical Center, New York, NY 10032, USA
| | - Leodan A. Crispin
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica 1000000, Chile; (L.A.C.); (J.P.M.); (T.C.B.)
| | - Debasish Roy
- Department of Natural Sciences, Hostos College of the City University of New York, Bronx, NY 10451, USA;
| | - Francisco Aguayo
- Laboratorio Oncovirología, Programa de Virología, Facultad de Medicina, Instituto de Ciencias Biomédicas, Universidad de Chile, Santiago 8380000, Chile;
| | - Juan P. Muñoz
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica 1000000, Chile; (L.A.C.); (J.P.M.); (T.C.B.)
| | - Tammy C. Bleak
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica 1000000, Chile; (L.A.C.); (J.P.M.); (T.C.B.)
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Han G, Ling R, Sun C, Wang X, Zhou Y, Yu L, Liu S. HMGB1 knockdown increases the radiosensitivity of esophageal squamous cell carcinoma by regulating the expression of molecules involved in DNA repair. Oncol Lett 2021; 22:503. [PMID: 33986864 PMCID: PMC8114541 DOI: 10.3892/ol.2021.12764] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 03/26/2021] [Indexed: 01/01/2023] Open
Abstract
Radiotherapy is an effective therapeutic strategy in esophageal squamous cell carcinoma (ESCC). However, acquired radioresistance of cancer cells leads to radiotherapy failure. The present study aimed to investigate the mechanisms of the effect of high mobility group box 1 (HMGB1) on the radiation sensitivity of ESCC. Small interfering RNA (si) transfection was used to generate three groups of TE-1 cells (TE-1, negative control and TE-1+siHMGB1), and the protein expression levels of HMGB1 in TE-1 cells were detected by western blotting. These groups of TE-1 cells were irradiated with different doses (0, 2, 4, 6 and 8 Gy) of X-rays after transfection. Subsequently, the viability of TE-1 cells was detected using an MTT assay, and the survival fraction of TE-1 cells was observed using a colony formation assay. The apoptotic rate, reactive oxygen species (ROS) content and levels of phosphorylated (p)-histone H2AX at S139 (p-γH2AX) of the cells were detected by flow cytometry. The alterations in mRNA expression levels of nicotinamide adenine nucleotide phosphate oxidase (NOX)1 and NOX5 were detected by reverse transcription-quantitative PCR, while the changes in protein levels of caspase-3, poly(ADP-ribose) polymerase, p-p38, p-ERK1/2 and p-JNK were detected by western blotting. The results revealed that HMGB1 knockdown significantly decreased cell viability, and the apoptosis rate of TE-1 cells transfected with siHMGB1 combined with radiation treatment was increased compared with that in cells with either siHMGB1 transfection or radiation treatment alone. HMGB1 knockdown increased nicotinamide adenine nucleotide phosphate oxidase-mediated ROS production and induced DNA damage via the MAPK signaling pathway, which may promote apoptosis and radiosensitivity after radiation in TE-1 cells. In conclusion, targeting HMGB1 may represent a promising strategy to increase the efficacy of radiation therapy for ESCC.
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Affiliation(s)
- Guohu Han
- Department of Oncology, Jingjiang People's Hospital, The Seventh Affiliated Hospital of Yangzhou University, Jingjiang, Jiangsu 214500, P.R. China
| | - Rui Ling
- Department of Oncology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212001, P.R. China
| | - Changchun Sun
- Department of Oncology, Jingjiang People's Hospital, The Seventh Affiliated Hospital of Yangzhou University, Jingjiang, Jiangsu 214500, P.R. China
| | - Xuefeng Wang
- Department of Central Laboratory, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212001, P.R. China
| | - Yuepeng Zhou
- Department of Nuclear Medicine, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212001, P.R. China
| | - Lijiang Yu
- Department of Oncology, Jingjiang People's Hospital, The Seventh Affiliated Hospital of Yangzhou University, Jingjiang, Jiangsu 214500, P.R. China
| | - Shenzha Liu
- Department of Oncology, Jingjiang People's Hospital, The Seventh Affiliated Hospital of Yangzhou University, Jingjiang, Jiangsu 214500, P.R. China
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11
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Handa E, Puspitasari IM, Abdulah R, Yamazaki C, Kameo S, Nakano T, Koyama H. Recent advances in clinical studies of selenium supplementation in radiotherapy. J Trace Elem Med Biol 2020; 62:126653. [PMID: 32998101 DOI: 10.1016/j.jtemb.2020.126653] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2020] [Revised: 08/31/2020] [Accepted: 09/17/2020] [Indexed: 01/08/2023]
Abstract
BACKGROUND Radiotherapy is one of the most important and common therapies for cancer patients. Selenium has been shown to be capable of reducing the side effects of radiotherapy because selenoproteins have anti-oxidative functions against reactive oxygen species that are induced by the radiation. They also function in DNA-repair and cytokine control. PURPOSE We explored the benefits and risks of selenium supplementation in radiotherapy in our previous review to establish guidelines. In the current study, we expanded the search to cover recent advances in clinical studies of selenium supplementation in radiotherapy. METHODS We conducted an initial screening in the PubMed using the MeSH terms and keywords "selenium", "radiation", "therapy", and "radiotherapy" using the same methodology applied in our previous review. We identified 121 articles published between January 2013 and December 2019. We then identified eight articles (six studies) on selenium and radiotherapy by excluding 113 articles. RESULTS In selenium supplementation studies, selenium doses of 300-500 μg/day with duration of 10 days to 6 months were used. Selenium supplementation improved the selenium nutritional conditions of the patients and reduced the side effects of radiotherapy. Selenium supplementation did not reduce the effectiveness of radiotherapy, and no toxicities were reported. CONCLUSION The results of our previous and current reviews showed that selenium supplementation offers specific benefits for several cancer types treated with radiotherapy. Here, we suggest a new guideline for selenium supplementation in radiotherapy. We recommend determining the selenium status of the patients before radiotherapy, and in cases of deficiency (<100 μg/L serum selenium level), selenium supplement can be beneficial.
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Affiliation(s)
- Emi Handa
- Department of Public Health, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Irma M Puspitasari
- Department of Pharmacology and Clinical Pharmacy, Universitas Padjadjaran, Bandung, Indonesia
| | - Rizky Abdulah
- Department of Pharmacology and Clinical Pharmacy, Universitas Padjadjaran, Bandung, Indonesia
| | - Chiho Yamazaki
- Department of Public Health, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Satomi Kameo
- Department of Nutrition, Koshien University, Takarazuka, Japan
| | - Takashi Nakano
- Quantum Medical Science Directorate, National Institute for Quantum and Radiological Science and Technology, Chiba, Japan
| | - Hiroshi Koyama
- Department of Public Health, Gunma University Graduate School of Medicine, Maebashi, Japan.
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El-Mahdy MA, Alzarie YA, Hemann C, Badary OA, Nofal S, Zweier JL. The novel SOD mimetic GC4419 increases cancer cell killing with sensitization to ionizing radiation while protecting normal cells. Free Radic Biol Med 2020; 160:630-642. [PMID: 32739595 PMCID: PMC7704930 DOI: 10.1016/j.freeradbiomed.2020.07.032] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Revised: 07/23/2020] [Accepted: 07/25/2020] [Indexed: 02/08/2023]
Abstract
While radiotherapy is a widely used treatment for many types of human cancer, problems of radio-resistance and side effects remain. Side effects induced by ionizing radiation (IR) arise primarily from its propensity to trigger inflammation and oxidative stress with damage of normal cells and tissues near the treatment area. The highly potent superoxide dismutase mimetic, GC4419 (Galera Therapeutics), rapidly enters cells and is highly effective in dismutating superoxide (O2•-). We performed studies to assess the potency of GC4419 in cancer killing and radio-sensitization in human lung cancer cells and normal immortalized lung cells. Treatment with GC4419 did not alter the radical generation during IR, primarily hydroxyl radical (.OH); however, it quenched the increased levels of O2•- detected in the cancer cells before and following IR. GC4419 triggered cancer cell death and inhibited cancer cell proliferation with no adverse effect on normal cells. Combination of GC4419 with IR augmented the cytotoxic effects of IR on cancer cells compared to monotherapy, while protecting normal cells from IR-induced cell death. DNA fragmentation and caspase-3 activity assays showed that combination of GC4419 with IR enhances cancer cell apoptosis. Moreover, GC4419 increased IR-induced Bax levels with decreased Bcl-2 and elevated Bax/Bcl-2 ratio following treatment. GC4419 increased TrxR activity in the normal cells but decreased activity in cancer cells, conferring increased cancer cell sensitivity to oxidative stress. In conclusion, GC4419 increases the cytotoxic and pro-apoptotic activity of IR in lung cancer cells while decreasing injury in normal cells.
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Affiliation(s)
- Mohamed A El-Mahdy
- Department of Internal Medicine, Davis Heart & Lung Research Institute, College of Medicine, The Ohio State University, Columbus, OH, USA
| | - Yasmin A Alzarie
- Department of Internal Medicine, Davis Heart & Lung Research Institute, College of Medicine, The Ohio State University, Columbus, OH, USA; National Organization of Drug Control and Research, Cairo, Egypt
| | - Craig Hemann
- Department of Internal Medicine, Davis Heart & Lung Research Institute, College of Medicine, The Ohio State University, Columbus, OH, USA
| | - Osama A Badary
- Department of Clinical Pharmacy, College of Pharmacy, The British University in Egypt, Cairo, Egypt
| | - Shahira Nofal
- Department of Pharmacology and Toxicology, College of Pharmacy, Helwan University, Cairo, Egypt
| | - Jay L Zweier
- Department of Internal Medicine, Davis Heart & Lung Research Institute, College of Medicine, The Ohio State University, Columbus, OH, USA.
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13
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Obrador E, Salvador R, Villaescusa JI, Soriano JM, Estrela JM, Montoro A. Radioprotection and Radiomitigation: From the Bench to Clinical Practice. Biomedicines 2020; 8:E461. [PMID: 33142986 PMCID: PMC7692399 DOI: 10.3390/biomedicines8110461] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 10/27/2020] [Accepted: 10/29/2020] [Indexed: 02/07/2023] Open
Abstract
The development of protective agents against harmful radiations has been a subject of investigation for decades. However, effective (ideal) radioprotectors and radiomitigators remain an unsolved problem. Because ionizing radiation-induced cellular damage is primarily attributed to free radicals, radical scavengers are promising as potential radioprotectors. Early development of such agents focused on thiol synthetic compounds, e.g., amifostine (2-(3-aminopropylamino) ethylsulfanylphosphonic acid), approved as a radioprotector by the Food and Drug Administration (FDA, USA) but for limited clinical indications and not for nonclinical uses. To date, no new chemical entity has been approved by the FDA as a radiation countermeasure for acute radiation syndrome (ARS). All FDA-approved radiation countermeasures (filgrastim, a recombinant DNA form of the naturally occurring granulocyte colony-stimulating factor, G-CSF; pegfilgrastim, a PEGylated form of the recombinant human G-CSF; sargramostim, a recombinant granulocyte macrophage colony-stimulating factor, GM-CSF) are classified as radiomitigators. No radioprotector that can be administered prior to exposure has been approved for ARS. This differentiates radioprotectors (reduce direct damage caused by radiation) and radiomitigators (minimize toxicity even after radiation has been delivered). Molecules under development with the aim of reaching clinical practice and other nonclinical applications are discussed. Assays to evaluate the biological effects of ionizing radiations are also analyzed.
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Affiliation(s)
- Elena Obrador
- Department of Physiology, Faculty of Medicine and Odontology, University of Valencia, 46010 Valencia, Spain; (E.O.); (R.S.); (J.M.E.)
| | - Rosario Salvador
- Department of Physiology, Faculty of Medicine and Odontology, University of Valencia, 46010 Valencia, Spain; (E.O.); (R.S.); (J.M.E.)
| | - Juan I. Villaescusa
- Service of Radiological Protection, Clinical Area of Medical Image, La Fe University Hospital, 46026 Valencia, Spain;
- Biomedical Imaging Research Group GIBI230, Health Research Institute (IISLaFe), La Fe University Hospital, 46026 Valencia, Spain
| | - José M. Soriano
- Food & Health Lab, Institute of Materials Science, University of Valencia, 46980 Valencia, Spain;
- Joint Research Unit in Endocrinology, Nutrition and Clinical Dietetics, University of Valencia-Health Research Institute IISLaFe, 46026 Valencia, Spain
| | - José M. Estrela
- Department of Physiology, Faculty of Medicine and Odontology, University of Valencia, 46010 Valencia, Spain; (E.O.); (R.S.); (J.M.E.)
| | - Alegría Montoro
- Service of Radiological Protection, Clinical Area of Medical Image, La Fe University Hospital, 46026 Valencia, Spain;
- Biomedical Imaging Research Group GIBI230, Health Research Institute (IISLaFe), La Fe University Hospital, 46026 Valencia, Spain
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14
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Soliman AM, Karam HM, Mekkawy MH, Ghorab MM. Antioxidant activity of novel quinazolinones bearing sulfonamide: Potential radiomodulatory effects on liver tissues via NF-κB/ PON1 pathway. Eur J Med Chem 2020; 197:112333. [DOI: 10.1016/j.ejmech.2020.112333] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2019] [Revised: 04/13/2020] [Accepted: 04/13/2020] [Indexed: 02/06/2023]
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15
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Abdel-Magied N, Elkady AA, Abdel Fattah SM. Effect of Low-Level Laser on Some Metals Related to Redox State and Histological Alterations in the Liver and Kidney of Irradiated Rats. Biol Trace Elem Res 2020; 194:410-422. [PMID: 31313245 DOI: 10.1007/s12011-019-01779-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Accepted: 06/11/2019] [Indexed: 12/19/2022]
Abstract
Low-level laser therapy (LLLT) is a type of medicine that uses laser light at low levels to activate the cellular chromophores and the initiation of cellular signaling. This study aimed to evaluate the photomodulation effect of LLL against ionizing radiation (IR)-induced metal disorders related to redox state in the liver and kidney of male rats. Rats were divided into 4 groups (control, LLLT, IR (7Gy), IR+LLLT). The results showed that LLLT 870 nm one time for 3 days post-irradiation revealed redistribution of iron (Fe), copper (Cu), zinc (Zn),calcium (Ca), magnesium (Mg), manganese (Mn), and selenium (Se) in the liver and kidney tissues. Moreover, LLLT attenuated the oxidative stress manifested by a marked reduction of hydrogen peroxide (H2O2), 4-hydroxynonenal (4-HNE), total oxidant state (TOS), and oxidative stress index (OSI) associated with a significant increase in total antioxidant status (TAS), glutathione (GSH) content, and glutathione peroxide (GPx), glutathione reductase (GRx), superoxide dismutase(SOD), and catalase (CAT) activities. Moreover, LLLT displayed an increase in glutathione-S-transferase (GSH-T) and ceruloplasmin activities and a decrease in the activity of gamma-glutamyl transferase (γ-GT). Besides, LLLT significantly attenuated the histological changes in the liver and kidney tissues, denoted by a reduction in the necrotic and degenerative changes of hepatocytes and an improvement in the corpuscles and tubules of the kidney. In conclusion, LLLT could be used as an adjuvant treatment post-exposure to radiation, while it is not beneficial to use it on the normal tissue.
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Affiliation(s)
- Nadia Abdel-Magied
- Radiation Biology Research Department, National Center for Radiation Research and Technology (NCRRT), Cairo, Egypt.
| | - Ahmed A Elkady
- Health Radiation Research Department, National Center for Radiation Research and Technology (NCRRT), Cairo, Egypt
| | - Salma M Abdel Fattah
- Drug Radiation Research Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), P.O. Box 29, Nasr City, Cairo, Egypt
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Hormati A, Ahmadpour S, Afkhami Ardekani M, Khodadust F, Refahi S. Radioprotective effects of montelukast, a selective leukotriene CysLT1 receptor antagonist, against nephrotoxicity induced by gamma radiation in mice. J Biochem Mol Toxicol 2020; 34:e22479. [PMID: 32125029 DOI: 10.1002/jbt.22479] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Revised: 11/24/2019] [Accepted: 02/14/2020] [Indexed: 12/30/2022]
Abstract
PURPOSE In this study, we evaluated the renal protective effects of montelukast (MLK) against ionizing radiation (IR) induced nephrotoxicity in mice. MATERIALS AND METHODS Radioprotective effects of MLK were assessed by biochemical analysis including measurements of kidney malondialdehyde (MDA), reduced glutathione (GSH), and serum creatinine and urea levels. Besides, for further evaluation of protective effects of MLK on renal system, 99m Tc-dimercaptosuccinic acid (DMSA) has been applied. The total antioxidant capacity of MLK was measured by using 1,1-diphenyl-2-picryl hydrazyl radical reagents and compared with butylated hydroxyl toluene standard antioxidant. RESULTS The biochemical evaluation revealed that better results have been achieved for the groups administered with MLK than the only radiation group. Besides only IR-treated mice group, those treated with MLK demonstrated a significant decrease in urea and creatinine levels. Statistically, significant differences of MDA and SHG levels (P < .05) were found between the radiation group and MLK plus IR-treated group. Also, 99m Tc-DMSA kidney uptake value (%ID/g) was observed lower for MLK plus IR-treated mice group than only radiation-treated mice group. CONCLUSIONS According to our findings, MLK has a potential role to be used as a renal protective agent against gamma radiation in radiotherapy.
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Affiliation(s)
- Ahmad Hormati
- Gastroenterology and Hepatology Disease Research Center, Qom University of Medical Sciences, Qom, Iran.,Gastrointestinal and Liver Disease Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Sajjad Ahmadpour
- Gastroenterology and Hepatology Disease Research Center, Qom University of Medical Sciences, Qom, Iran
| | - Mahdieh Afkhami Ardekani
- Department of Radiology, Faculty of Para-Medicine, Hormozgan University of Medical Sciences, Bandare Abbas, Iran
| | - Fatemeh Khodadust
- Department of Radiopharmacy, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
| | - Soheila Refahi
- Department of Medical Physics, Faculty of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran
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Radioprotective effect of self-assembled low molecular weight Fucoidan-Chitosan nanoparticles. Int J Pharm 2020; 579:119161. [PMID: 32081800 DOI: 10.1016/j.ijpharm.2020.119161] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2019] [Revised: 01/25/2020] [Accepted: 02/16/2020] [Indexed: 12/21/2022]
Abstract
Fucoidan, a sulphated polysaccharide, plays a vital role in reducing cellular oxidative damage by exerting potential antioxidant activity. However, because of the negative surface charges of oligofucoidan, it shows poor oral intestinal absorption. To overcome this drawback, the oligofucoidan polysaccharides self-assembled with opposite charge based polysaccharides (chitosan) to form the chitosan-fucoidan polysaccharides (C1-F3P) nanoparticles (NPs) of 190-230 nm in size. The oligofucoidan and C1-F3P NPs were studied for their radioprotective property using mice exposed to 5 Gy radiation. The C1-F3P NPs prevents radiation induced lipid peroxidation and restores intestinal enzymatic and non-enzymatic antioxidants (p < 0.05) status. In addition, hematoxylin-eosin staining revealed the radioprotective effect of oligofucoidan and C1-F3P NPs by mitigating the loss of crypt and villi in the small intestine. Thus, the present study demonstrated that C1-F3P NPs can be considered as a radioprotective agent that can be used for the prevention and treatment of Gy-radiation-induced intestine injury.
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18
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Najafi M, Cheki M, Amini P, Javadi A, Shabeeb D, Eleojo Musa A. Evaluating the protective effect of resveratrol, Q10, and alpha-lipoic acid on radiation-induced mice spermatogenesis injury: A histopathological study. Int J Reprod Biomed 2019; 17:907-914. [PMID: 31970312 PMCID: PMC6943799 DOI: 10.18502/ijrm.v17i12.5791] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2018] [Revised: 07/06/2019] [Accepted: 07/20/2019] [Indexed: 12/12/2022] Open
Abstract
Background Testis is one of the most sensitive organs against the toxic effect of ionizing radiation. Exposure to even a low dose of radiation during radiotherapy, diagnostic radiology, or a radiological event could pose a threat to spermatogenesis. This may lead to temporary or permanent infertility or even transfer of genomic instability to the next generations. Objective In this study, we evaluated the protective effect of treatment with three natural antioxidants; resveratrol, alpha lipoic acid, and coenzyme Q10 on radiation-induced spermatogenesis injury. Materials and Methods 30 NMRI mice (6-8 wk, 30 ± 5 gr) were randomly divided into six groups (n = 5/each) as 1) control; 2) radiation; 3) radiation + resveratrol; 4) radiation + alpha lipoic acid; 5) radiation + resveratrol + alpha lipoic acid; and 6) radiation+ Q10. Mice were treated with 100 mg/kg resveratrol or 200 mg/kg alpha lipoic acid or a combination of these drugs. Also, Q10 was administered at 200 mg/kg. All treatments were performed daily from two days before to 30 min before irradiation. Afterward, mice were exposed to 2 Gy 60 Co gamma rays; 37 days after irradiation, the testicular samples were collected and evaluated for histopathological parameters. Results Results showed that these agents are able to alleviate some toxicological parameters such as basal lamina and epididymis decreased sperm density. Also, all agents were able to increase Johnsen score. However, they could not protect against radiation-induced edema, atrophy of seminiferous tubules, and hyperplasia in Leydig cells. Conclusion This study indicates that resveratrol, alpha-lipoic acid, and Q10 have the potential to reduce some of the side effects of radiation on mice spermatogenesis. However, they cannot protect Leydig cells as a source of testosterone and seminiferous tubules as the location of sperm maturation.
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Affiliation(s)
- Masoud Najafi
- Department of Radiology and Nuclear Medicine, School of Paramedical Sciences, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mohsen Cheki
- Toxicology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Peyman Amini
- Department of Radiology, Faculty of Paramedical, Tehran University of Medical Sciences, Tehran, Iran
| | - Abdolreza Javadi
- Department of Pathology, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Dheyauldeen Shabeeb
- Department of Physiology, College of Medicine, University of Misan, Misan, Iraq
| | - Ahmed Eleojo Musa
- Research Center for Molecular and Cellular Imaging, Tehran University of Medical Sciences, Tehran, Iran
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Protection from ionizing radiation-induced genotoxicity and apoptosis in rat bone marrow cells by HESA-A: a new herbal-marine compound. J Bioenerg Biomembr 2019; 51:371-379. [PMID: 31388813 DOI: 10.1007/s10863-019-09808-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 07/23/2019] [Indexed: 12/12/2022]
Abstract
HESA-A is an herbal-marine compound which improves the quality of life of end-stage cancer patients. The aim of the present study was to evaluate the possible protective effect of HESA-A against IR-induced genotoxicity and apoptosis in rat bone marrow. Rats were given HESA-A orally at doses of 150 and 300 mg/kg body weight for seven consecutive days. On the seventh day, the rats were irradiated with 4 Gy X-rays at 1 h after the last oral administration. The micronucleus assay, reactive oxygen species (ROS) level analysis, hematological analysis and flow cytometry were used to assess radiation antagonistic potential of HESA-A. Administration of 150 and 300 mg/kg of HESA-A to irradiated rats significantly reduced the frequencies of micronucleated polychromatic erythrocytes (MnPCEs) and micronucleated normochromatic erythrocytes (MnNCEs), and also increased PCE/(PCE + NCE) ratio in bone marrow cells. Moreover, pretreatment of irradiated rats with HESA-A (150 and 300 mg/kg) significantly decreased ROS level and apoptosis in bone marrow cells, and also increased white blood cells count in peripheral blood. For the first time in this study, it was observed that HESA-A can have protective effects against radiation-induced genotoxicity and apoptosis in bone marrow cells. Therefore, HESA-A can be considered as a candidate for future studies to reduce the side effects induced by radiotherapy in cancer patients.
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Mohammed AE, Smit I, Pawelzik E, Keutgen AJ, Horneburg B. Organically grown outdoor tomato: fruit mineral nutrients and plant infection by Phytophthora infestans. ACTA ACUST UNITED AC 2019. [DOI: 10.1007/s13165-019-00253-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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21
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Samavarchi Tehrani S, Mahmoodzadeh Hosseini H, Yousefi T, Abolghasemi M, Qujeq D, Maniati M, Amani J. The crosstalk between trace elements with DNA damage response, repair, and oxidative stress in cancer. J Cell Biochem 2019; 120:1080-1105. [PMID: 30378148 DOI: 10.1002/jcb.27617] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Accepted: 08/14/2018] [Indexed: 01/24/2023]
Abstract
DNA damage response (DDR) is a regulatory system responsible for maintaining genome integrity and stability, which can sense and transduce DNA damage signals. The severity of damage appears to determine DDRs, which can include damage repair, cell-cycle arrest, and apoptosis. Furthermore, defective components in DNA damage and repair machinery are an underlying cause for the development and progression of various types of cancers. Increasing evidence indicates that there is an association between trace elements and DDR/repair mechanisms. In fact, trace elements seem to affect mediators of DDR. Besides, it has been revealed that oxidative stress (OS) and trace elements are associated with cancer development. In this review, we discuss the role of some critical trace elements in the risk of cancer. In addition, we provide a brief introduction on DDR and OS in cancer. Finally, we will further review the interactions between some important trace elements including selenium, zinc, chromium, cadmium, and arsenic, and DDR, and OS in cancer.
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Affiliation(s)
- Sadra Samavarchi Tehrani
- Applied Microbiology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Hamideh Mahmoodzadeh Hosseini
- Applied Microbiology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Tooba Yousefi
- Student Research Committee, Babol University of Medical Sciences, Babol, Iran
| | - Maryam Abolghasemi
- Student Research Committee, Babol University of Medical Sciences, Babol, Iran
| | - Durdi Qujeq
- Department of Clinical Biochemistry, Babol University of Medical Sciences, Babol, Iran
| | - Mahmood Maniati
- English Department, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Jafar Amani
- Applied Microbiology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
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Xu Z, Zhang Y, Ding J, Hu W, Tan C, Wang M, Tang J, Xu Y. miR-17-3p Downregulates Mitochondrial Antioxidant Enzymes and Enhances the Radiosensitivity of Prostate Cancer Cells. MOLECULAR THERAPY. NUCLEIC ACIDS 2018; 13:64-77. [PMID: 30240971 PMCID: PMC6143750 DOI: 10.1016/j.omtn.2018.08.009] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Revised: 08/15/2018] [Accepted: 08/15/2018] [Indexed: 01/17/2023]
Abstract
Radioresistance remains to be a major obstacle in the management of patients with advanced prostate cancer (PCa). We have identified a mature miR-17-3p processed from the 3' arm of precursor miR-17, which appeared to be able to inhibit three major antioxidant enzymes located in mitochondria, i.e., manganese superoxide dismutase (MnSOD), glutathione peroxidase 2 (Gpx2), and thioredoxin reductase 2 (TrxR2). Here we show that upregulation of miR-17-3p remarkably sensitized PCa cells to ionizing radiation (IR). Reductions of the three antioxidants led to increasing cellular reactive oxygen species (ROS) accumulation as well as declining mitochondrial respiration. The miR-17-3p-mediated dysfunction of mitochondrial antioxidants apparently sensitizing IR therapy was manifested in vitro and in vivo. Substantially, the miR-17-3p effect on suppression of the antioxidants can be efficiently eliminated or attenuated by transfecting with either an miR-17-3p inhibitor or each of the related antioxidant cDNA expression constructs. Overall, in addition to the insights into the functional assessments for the duplex of miR-17-5p and miR-17-3p, the present study highlights the rigorous evidence that demonstrated suppression of multiple mitochondrial antioxidants by a single microRNA (miRNA), thereby providing a promising approach to improve radiotherapy for advanced PCa by targeting mitochondrial function.
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Affiliation(s)
- Zhi Xu
- The Forth Clinical School of Nanjing Medical University, 140 Hanzhong Road, Nanjing 210029, China; Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & Nanjing Medical University Affiliated Cancer Hospital, 42 Baiziting, Nanjing 210009, China
| | - Yanyan Zhang
- Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & Nanjing Medical University Affiliated Cancer Hospital, 42 Baiziting, Nanjing 210009, China
| | - Jiaji Ding
- Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & Nanjing Medical University Affiliated Cancer Hospital, 42 Baiziting, Nanjing 210009, China
| | - Weizi Hu
- Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & Nanjing Medical University Affiliated Cancer Hospital, 42 Baiziting, Nanjing 210009, China
| | - Chunli Tan
- Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & Nanjing Medical University Affiliated Cancer Hospital, 42 Baiziting, Nanjing 210009, China
| | - Mei Wang
- Department of General Surgery, First Affiliated Hospital with Nanjing Medical University, 300 Guangzhou Road, Nanjing 210029, China
| | - Jinhai Tang
- The Forth Clinical School of Nanjing Medical University, 140 Hanzhong Road, Nanjing 210029, China; Department of General Surgery, First Affiliated Hospital with Nanjing Medical University, 300 Guangzhou Road, Nanjing 210029, China.
| | - Yong Xu
- The Forth Clinical School of Nanjing Medical University, 140 Hanzhong Road, Nanjing 210029, China; Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & Nanjing Medical University Affiliated Cancer Hospital, 42 Baiziting, Nanjing 210009, China; Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Nanjing Medical University, 101 Longmian Avenue, Nanjing 211166, China.
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Du L, Yu W, Huang X, Zhao N, Liu F, Tong F, Zhang S, Niu B, Liu X, Xu S, Huang Y, Dai X, Xie C, Chen G, Cong X, Qu B. GSTP1 Ile105Val polymorphism might be associated with the risk of radiation pneumonitis among lung cancer patients in Chinese population: A prospective study. J Cancer 2018; 9:726-735. [PMID: 29556330 PMCID: PMC5858494 DOI: 10.7150/jca.20643] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Accepted: 01/03/2018] [Indexed: 12/21/2022] Open
Abstract
Background: Growing data suggest that DNA damage repair and detoxification pathways play crucial roles in radiation-induced toxicities. To determine whether common functional single-nucleotide polymorphisms (SNPs) in candidate genes from these pathways can be used as predictors of radiation pneumonitis (RP), we conducted a prospective study to evaluate the associations between functional SNPs and risk of RP. Methods: We recruited a total of 149 lung cancer patients who had received intensity modulated radiation therapy (IMRT). GSTP1 and XRCC1 were genotyped using the SurPlexTM-xTAG method in all patients. RP events were prospectively scored using the National Cancer Institute Common Terminology Criteria for Adverse Events (CTCAE), version 4.0. Kaplan-Meier analysis was used to determine the cumulative probability of RP of grade ≥ 2. Cox proportional hazard regression was performed to identify clinical variables and SNPs associated with risk of RP grade ≥ 2, using univariate and multivariate analysis, respectively. Results: With a median follow-up of 9 months, the incidence of RP of grade ≥ 2 was 38.3%. A predicting role in RP was observed for the GSTP1 SNP (adjusted hazard ratio 3.543; 95% CI 1.770-7.092; adjusted P< 0.001 for the Ile/Val and Val/Val genotypes versus Ile/Ile genotype). Whereas, we found that patients with XRCC1 399Arg/Gln and Gln/Gln genotypes had a lower risk of RP compares with those carrying Arg/Arg genotype (adjusted HR 0.653; 95% CI 0.342-1.245), but with no statistical significance observed (adjusted P = 0.195). Conclusions: Our results suggested a novel association between GSTP1 SNP 105Ile/Val and risk of RP development, which suggests the potential use of this genetic polymorphism as a predictor of RP. In addition, genetic polymorphisms of XRCC1 399Arg/Gln may also be associated with RP.
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Affiliation(s)
- Lehui Du
- Department of Radiation Oncology, Chinese PLA General Hospital, Beijing, 100853, P.R. China
| | - Wei Yu
- Department of Radiation Oncology, Chinese PLA General Hospital, Beijing, 100853, P.R. China
| | - Xiang Huang
- Department of Radiation Oncology, Chinese PLA General Hospital, Beijing, 100853, P.R. China
| | - Nana Zhao
- Department of Radiation Oncology, Chinese PLA General Hospital, Beijing, 100853, P.R. China
| | - Fang Liu
- Department of Radiation Oncology, Chinese PLA General Hospital, Beijing, 100853, P.R. China
| | - Fang Tong
- Department of Radiation Oncology, Chinese PLA General Hospital, Beijing, 100853, P.R. China
| | - Sujing Zhang
- Department of Radiation Oncology, Chinese PLA General Hospital, Beijing, 100853, P.R. China
| | - Baolong Niu
- Department of Radiation Oncology, Chinese PLA General Hospital, Beijing, 100853, P.R. China
| | - Xiaoliang Liu
- Department of Radiation Oncology, Chinese PLA General Hospital, Beijing, 100853, P.R. China
| | - Shouping Xu
- Department of Radiation Oncology, Chinese PLA General Hospital, Beijing, 100853, P.R. China
| | - Yurong Huang
- Department of Radiation Oncology, Chinese PLA General Hospital, Beijing, 100853, P.R. China
| | - Xiangkun Dai
- Department of Radiation Oncology, Chinese PLA General Hospital, Beijing, 100853, P.R. China
| | - Chuanbin Xie
- Department of Radiation Oncology, Chinese PLA General Hospital, Beijing, 100853, P.R. China
| | - Gaoxiang Chen
- Department of Radiation Oncology, Chinese PLA General Hospital, Beijing, 100853, P.R. China
| | - Xiaohu Cong
- Department of Radiation Oncology, Chinese PLA General Hospital, Beijing, 100853, P.R. China
| | - Baolin Qu
- Department of Radiation Oncology, Chinese PLA General Hospital, Beijing, 100853, P.R. China
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Shin SW, Choi C, Lee GH, Son A, Kim SH, Park HC, Batinic-Haberle I, Park W. Mechanism of the Antitumor and Radiosensitizing Effects of a Manganese Porphyrin, MnHex-2-PyP. Antioxid Redox Signal 2017; 27:1067-1082. [PMID: 28358581 DOI: 10.1089/ars.2016.6889] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
AIMS Cationic manganese (Mn)-substituted N-pyridylporphyrin-based potent mimics of the family of superoxide dismutases (SODs) protect normal tissues from injury related to ionizing radiation (IR) by reducing levels of reactive oxygen and nitrogen species (ROS/RNS). Furthermore, Mn-porphyrins have demonstrated antitumor and radiosensitizing effects on cancer cells by promoting IR-induced tumor vasculature damage and apoptotic processes. In this study, we explored the underlying mechanisms of Mn-porphyrin-mediated tumor radiosensitization using murine mammary carcinoma 4T1 and melanoma B16 cells in vitro and in vivo. RESULTS Combination treatment with MnTnHex-2-PyP and IR substantially reduced cell viability, clonogenic cell survival, and DNA damage repair and synergistically increased IR-induced apoptosis of 4T1 and B16 cells. MnTnHex-2-PyP in combination with IR caused a significant delay in growth of 4T1 and B16 xenograft tumors. MnTnHex-2-PyP dose-dependently enhanced IR-mediated production of H2O2-derived species, but not superoxide. Catalase overexpression reversed MnTnHex-2-PyP-enhanced ROS production and apoptosis. Demonstrated suppression of phosphorylation of several mitogen-activated protein (MAP) kinases and activation of NF-κB by MnTnHex-2-PyP/IR, which presumably inhibited activation of the antiapoptotic pathway, are in agreement with our other data on the apoptosis of cancer cells. Innovation and Conclusions: MnTnHex-2-PyP exerted a radiosensitizing effect on 4T1 and B16 tumor models in vitro and in vivo via pro-oxidative actions and therefore bears a large therapeutic potential. When combined with IR, it attenuated DNA damage repair and triggered a shift from prosurvival pathways to apoptotic cell death, likely due to increased ROS production and disturbed cellular redox balance, acting at the level of nuclear factor κB (NF-κB). Antioxid. Redox Signal. 27, 1067-1082.
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Affiliation(s)
- Sung-Won Shin
- 1 Department of Radiation Oncology, Samsung Medical Center , Seoul, Republic of Korea.,2 Sungkyunkwan University School of Medicine , Seoul, Republic of Korea
| | - Changhoon Choi
- 1 Department of Radiation Oncology, Samsung Medical Center , Seoul, Republic of Korea
| | - Ga-Haeng Lee
- 1 Department of Radiation Oncology, Samsung Medical Center , Seoul, Republic of Korea
| | - Arang Son
- 1 Department of Radiation Oncology, Samsung Medical Center , Seoul, Republic of Korea
| | - Su-Hyeon Kim
- 1 Department of Radiation Oncology, Samsung Medical Center , Seoul, Republic of Korea
| | - Hee Chul Park
- 1 Department of Radiation Oncology, Samsung Medical Center , Seoul, Republic of Korea.,2 Sungkyunkwan University School of Medicine , Seoul, Republic of Korea
| | - Ines Batinic-Haberle
- 3 Department of Radiation Oncology, Duke University School of Medicine , Durham, North Carolina
| | - Won Park
- 1 Department of Radiation Oncology, Samsung Medical Center , Seoul, Republic of Korea.,2 Sungkyunkwan University School of Medicine , Seoul, Republic of Korea
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25
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Ivanenkov YA, Veselov MS, Rezekin IG, Skvortsov DA, Sandulenko YB, Polyakova MV, Bezrukov DS, Vasilevsky SV, Kukushkin ME, Moiseeva AA, Finko AV, Koteliansky VE, Klyachko NL, Filatova LA, Beloglazkina EK, Zyk NV, Majouga AG. Synthesis, isomerization and biological activity of novel 2-selenohydantoin derivatives. Bioorg Med Chem 2016; 24:802-11. [PMID: 26780833 DOI: 10.1016/j.bmc.2015.12.050] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Revised: 12/25/2015] [Accepted: 12/31/2015] [Indexed: 11/16/2022]
Abstract
A set of novel selenohydantoins were synthesized via a convenient and versatile approach involving the reaction of isoselenocyanates with various amines. We also revealed an unexpected Z→E isomerization of pyridin-2-yl-substituted selenohydantoins in the presence of Cu(2+) cations. The detailed mechanism of this transformation was suggested on the basis of quantum-chemical calculations, and the key role of Cu(2+) was elucidated. The obtained compounds were subsequently evaluated against a panel of different cancer cell lines. As a result, several molecules were identified as promising micromolar hits with good selectivity index. Instead of analogous thiohydantoins, which have been synthesized previously, selenohydantoins demonstrated a relatively high antioxidant activity comparable (or greater) to the reference molecule, Ebselen, a clinically approved drug candidate. The most active compounds have been selected for further biological trials.
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Affiliation(s)
- Yan A Ivanenkov
- Moscow State University, Chemistry Dept., 119991 Moscow, Leninskie Gory, Building 1/3, GSP-1, Russian Federation; National University of Science and Technology MISiS, Moscow 119049, Russian Federation; Moscow Institute of Physics and Technology (MIPT), Dolgoprudny, InstitutskiPereulok 9, Moskovskaya Oblast, Russian Federation.
| | - Mark S Veselov
- Moscow Institute of Physics and Technology (MIPT), Dolgoprudny, InstitutskiPereulok 9, Moskovskaya Oblast, Russian Federation.
| | - Igor G Rezekin
- Moscow Institute of Physics and Technology (MIPT), Dolgoprudny, InstitutskiPereulok 9, Moskovskaya Oblast, Russian Federation
| | - Dmitriy A Skvortsov
- Moscow State University, Chemistry Dept., 119991 Moscow, Leninskie Gory, Building 1/3, GSP-1, Russian Federation
| | - Yuri B Sandulenko
- Moscow Institute of Physics and Technology (MIPT), Dolgoprudny, InstitutskiPereulok 9, Moskovskaya Oblast, Russian Federation
| | - Marina V Polyakova
- Moscow Institute of Physics and Technology (MIPT), Dolgoprudny, InstitutskiPereulok 9, Moskovskaya Oblast, Russian Federation
| | - Dmitry S Bezrukov
- Moscow State University, Chemistry Dept., 119991 Moscow, Leninskie Gory, Building 1/3, GSP-1, Russian Federation
| | - Sergey V Vasilevsky
- Moscow State University, Chemistry Dept., 119991 Moscow, Leninskie Gory, Building 1/3, GSP-1, Russian Federation
| | - Maxim E Kukushkin
- Moscow State University, Chemistry Dept., 119991 Moscow, Leninskie Gory, Building 1/3, GSP-1, Russian Federation
| | - Anna A Moiseeva
- Moscow State University, Chemistry Dept., 119991 Moscow, Leninskie Gory, Building 1/3, GSP-1, Russian Federation
| | - Alexander V Finko
- Moscow State University, Chemistry Dept., 119991 Moscow, Leninskie Gory, Building 1/3, GSP-1, Russian Federation
| | - Victor E Koteliansky
- Moscow State University, Chemistry Dept., 119991 Moscow, Leninskie Gory, Building 1/3, GSP-1, Russian Federation
| | - Natalia L Klyachko
- Moscow State University, Chemistry Dept., 119991 Moscow, Leninskie Gory, Building 1/3, GSP-1, Russian Federation; National University of Science and Technology MISiS, Moscow 119049, Russian Federation
| | - Lubov A Filatova
- Moscow State University, Chemistry Dept., 119991 Moscow, Leninskie Gory, Building 1/3, GSP-1, Russian Federation
| | - Elena K Beloglazkina
- Moscow State University, Chemistry Dept., 119991 Moscow, Leninskie Gory, Building 1/3, GSP-1, Russian Federation; National University of Science and Technology MISiS, Moscow 119049, Russian Federation
| | - Nikolay V Zyk
- Moscow State University, Chemistry Dept., 119991 Moscow, Leninskie Gory, Building 1/3, GSP-1, Russian Federation
| | - Alexander G Majouga
- Moscow State University, Chemistry Dept., 119991 Moscow, Leninskie Gory, Building 1/3, GSP-1, Russian Federation; National University of Science and Technology MISiS, Moscow 119049, Russian Federation.
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