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Guo C, Wang Q, Shuai P, Wang T, Wu W, Li Y, Huang S, Yu J, Yi L. Radiation and male reproductive system: Damage and protection. CHEMOSPHERE 2024; 357:142030. [PMID: 38626814 DOI: 10.1016/j.chemosphere.2024.142030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 03/10/2024] [Accepted: 04/10/2024] [Indexed: 04/26/2024]
Abstract
Male fertility has been declining in recent decades, and a growing body of research points to environmental and lifestyle factors as the cause. The widespread use of radiation technology may result in more people affected by male infertility, as it is well established that radiation can cause reproductive impairment in men. This article provides a review of radiation-induced damage to male reproduction, and the effects of damage mechanisms and pharmacotherapy. It is hoped that this review will contribute to the understanding of the effects of radiation on male reproduction, and provide information for research into drugs that can protect the reproductive health of males.
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Affiliation(s)
- Caimao Guo
- Institute of Pharmacy and Pharmacology, Institute of Cytology and Genetics, The Hengyang Key Laboratory of Cellular Stress Biology, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China
| | - Qingyu Wang
- Institute of Pharmacy and Pharmacology, Institute of Cytology and Genetics, The Hengyang Key Laboratory of Cellular Stress Biology, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China
| | - Peimeng Shuai
- Institute of Pharmacy and Pharmacology, Institute of Cytology and Genetics, The Hengyang Key Laboratory of Cellular Stress Biology, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China
| | - Tiantian Wang
- Institute of Pharmacy and Pharmacology, Institute of Cytology and Genetics, The Hengyang Key Laboratory of Cellular Stress Biology, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China
| | - Wenyu Wu
- Institute of Pharmacy and Pharmacology, Institute of Cytology and Genetics, The Hengyang Key Laboratory of Cellular Stress Biology, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China
| | - Yuanyuan Li
- Institute of Pharmacy and Pharmacology, Institute of Cytology and Genetics, The Hengyang Key Laboratory of Cellular Stress Biology, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China
| | - Shuqi Huang
- Institute of Pharmacy and Pharmacology, Institute of Cytology and Genetics, The Hengyang Key Laboratory of Cellular Stress Biology, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China
| | - Jia Yu
- Institute of Pharmacy and Pharmacology, Institute of Cytology and Genetics, The Hengyang Key Laboratory of Cellular Stress Biology, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
| | - Lan Yi
- Institute of Pharmacy and Pharmacology, Institute of Cytology and Genetics, The Hengyang Key Laboratory of Cellular Stress Biology, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
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2
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Zhang S, Wang Z, Jiang J, Feng G, Fan S. Lactobacillus reuteri's multifaceted role in mitigating ionizing radiation-induced injury in Drosophila melanogaster. Food Funct 2024; 15:3522-3538. [PMID: 38465872 DOI: 10.1039/d3fo05422e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2024]
Abstract
The numerous beneficial probiotic properties of Lactobacillus reuteri (L. reuteri) include decreasing metabolic syndrome, preventing disorders linked to oxidative stress, improving gut flora imbalances, controlling immunological function, and extending life span. Exposure to ionizing radiation is closely associated with several disorders. We examined the protective and salvaging effects of L. reuteri on ionizing radiation-induced injury to the intestinal tract, reproductive system, and nervous system of Drosophila melanogaster. We also examined its effects on lifespan, antioxidant capacity, progeny development, and behavioral aspects to assess the interaction between L. reuteri and ionizing radiation-induced injury. The findings demonstrated that L. reuteri improved the median survival time following irradiation and greatly extended its lifespan. In addition, it raised SOD activity, reduced ROS levels in intestinal epithelial cells, and increased the quantity of intestinal stem cells. Furthermore, L. reuteri enhanced the adult male flies' capacity to move. It also successfully safeguarded the generations' growth and development. L. reuteri dramatically enhanced expression of the AMPKα gene and regulated expression of its pathway-related gene, mTOR, as well as the autophagy-related genes Atg1 and Atg5 in female Drosophila exposed to irradiation. Notably, no prior reports have been made on the possible effects of L. reuteri on injuries caused by irradiation. As a result, our research offers important new information regarding L. reuteri's possible role as a shield against ionizing radiation-induced injury.
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Affiliation(s)
- Songling Zhang
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Tianjin Institutes of Health Science, Institute of Radiation Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300192, P.R. China.
| | - Zhaoyu Wang
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Tianjin Institutes of Health Science, Institute of Radiation Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300192, P.R. China.
| | - Jin Jiang
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Tianjin Institutes of Health Science, Institute of Radiation Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300192, P.R. China.
| | - Guoxing Feng
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Tianjin Institutes of Health Science, Institute of Radiation Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300192, P.R. China.
| | - Saijun Fan
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Tianjin Institutes of Health Science, Institute of Radiation Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300192, P.R. China.
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Aprile C, Geatti O, Canziani L, Lodola L. Editorial for the Special Issue "Molecular Biology in Targeted Radionuclide Therapy Radiopharmaceutical Design". Curr Issues Mol Biol 2024; 46:2398-2401. [PMID: 38534768 DOI: 10.3390/cimb46030152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Accepted: 02/29/2024] [Indexed: 03/28/2024] Open
Abstract
Targeted radionuclide therapy (TRT) is gaining wide and rapid acceptance in clinical practice as it can deliver alpha or beta irradiation to a tumor-associated target which may be present in the tumor cell itself or in the microenvironment [...].
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Affiliation(s)
- Carlo Aprile
- Fondazione IRCCS Policlinico San Matteo, 27100 Pavia, Italy
| | - Onelio Geatti
- Studio di Radiologia Bazzocchi, 34135 Trieste, Italy
| | | | - Lorenzo Lodola
- Fondazione IRCCS Policlinico San Matteo, 27100 Pavia, Italy
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4
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Andrés CMC, de la Lastra JMP, Juan CA, Plou FJ, Pérez-Lebeña E. Chemical Insights into Oxidative and Nitrative Modifications of DNA. Int J Mol Sci 2023; 24:15240. [PMID: 37894920 PMCID: PMC10607741 DOI: 10.3390/ijms242015240] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/09/2023] [Accepted: 10/13/2023] [Indexed: 10/29/2023] Open
Abstract
This review focuses on DNA damage caused by a variety of oxidizing, alkylating, and nitrating species, and it may play an important role in the pathophysiology of inflammation, cancer, and degenerative diseases. Infection and chronic inflammation have been recognized as important factors in carcinogenesis. Under inflammatory conditions, reactive oxygen species (ROS) and reactive nitrogen species (RNS) are generated from inflammatory and epithelial cells, and result in the formation of oxidative and nitrative DNA lesions, such as 8-oxo-7,8-dihydro-2'-deoxyguanosine (8-oxodG) and 8-nitroguanine. Cellular DNA is continuously exposed to a very high level of genotoxic stress caused by physical, chemical, and biological agents, with an estimated 10,000 modifications occurring every hour in the genetic material of each of our cells. This review highlights recent developments in the chemical biology and toxicology of 2'-deoxyribose oxidation products in DNA.
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Affiliation(s)
| | - José Manuel Pérez de la Lastra
- Institute of Natural Products and Agrobiology, CSIC-Spanish Research Council, Avda. AstrofísicoFco. Sánchez, 3, 38206 La Laguna, Spain
| | - Celia Andrés Juan
- Cinquima Institute and Department of Organic Chemistry, Faculty of Sciences, Valladolid University, Paseo de Belén, 7, 47011 Valladolid, Spain;
| | - Francisco J. Plou
- Institute of Catalysis and Petrochemistry, CSIC-Spanish Research Council, 28049 Madrid, Spain;
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Yu Z, Xu C, Song B, Zhang S, Chen C, Li C, Zhang S. Tissue fibrosis induced by radiotherapy: current understanding of the molecular mechanisms, diagnosis and therapeutic advances. J Transl Med 2023; 21:708. [PMID: 37814303 PMCID: PMC10563272 DOI: 10.1186/s12967-023-04554-0] [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: 05/21/2023] [Accepted: 09/22/2023] [Indexed: 10/11/2023] Open
Abstract
Cancer remains the leading cause of death around the world. In cancer treatment, over 50% of cancer patients receive radiotherapy alone or in multimodal combinations with other therapies. One of the adverse consequences after radiation exposure is the occurrence of radiation-induced tissue fibrosis (RIF), which is characterized by the abnormal activation of myofibroblasts and the excessive accumulation of extracellular matrix. This phenotype can manifest in multiple organs, such as lung, skin, liver and kidney. In-depth studies on the mechanisms of radiation-induced fibrosis have shown that a variety of extracellular signals such as immune cells and abnormal release of cytokines, and intracellular signals such as cGAS/STING, oxidative stress response, metabolic reprogramming and proteasome pathway activation are involved in the activation of myofibroblasts. Tissue fibrosis is extremely harmful to patients' health and requires early diagnosis. In addition to traditional serum markers, histologic and imaging tests, the diagnostic potential of nuclear medicine techniques is emerging. Anti-inflammatory and antioxidant therapies are the traditional treatments for radiation-induced fibrosis. Recently, some promising therapeutic strategies have emerged, such as stem cell therapy and targeted therapies. However, incomplete knowledge of the mechanisms hinders the treatment of this disease. Here, we also highlight the potential mechanistic, diagnostic and therapeutic directions of radiation-induced fibrosis.
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Affiliation(s)
- Zuxiang Yu
- Laboratory of Radiation Medicine, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, 610041, China
| | - Chaoyu Xu
- Laboratory of Radiation Medicine, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, 610041, China
| | - Bin Song
- Laboratory of Radiation Medicine, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, 610041, China
- The Second Affiliated Hospital of Chengdu Medical College, China National Nuclear Corporation 416 Hospital, Chengdu, 610051, China
- NHC Key Laboratory of Nuclear Technology Medical Transformation (Mianyang Central Hospital), Mianyang, 621099, China
| | - Shihao Zhang
- Laboratory of Radiation Medicine, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, 610041, China
| | - Chong Chen
- Department of Gastroenterology, The First People's Hospital of Xuzhou, Xuzhou Municipal Hospital Affiliated to Xuzhou Medical University, Xuzhou, 221200, China
| | - Changlong Li
- Laboratory of Radiation Medicine, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, 610041, China.
- Department of Molecular Biology and Biochemistry, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China.
| | - Shuyu Zhang
- Laboratory of Radiation Medicine, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, 610041, China.
- The Second Affiliated Hospital of Chengdu Medical College, China National Nuclear Corporation 416 Hospital, Chengdu, 610051, China.
- NHC Key Laboratory of Nuclear Technology Medical Transformation (Mianyang Central Hospital), Mianyang, 621099, China.
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Kannan N, Koshy T, Raavi V, Bhaskar E, Moorthy S, Pulivadula Mohanarangam VS, Srinivas Kondaveeti S, Visweswaran S, Perumal V. Candidate Gene Expression in Regional Population and Its Relevance for Radiation Triage. Cytogenet Genome Res 2023; 163:210-222. [PMID: 37253332 DOI: 10.1159/000531258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 05/24/2023] [Indexed: 06/01/2023] Open
Abstract
Quantification of gene expression signatures has been substantiated as a potential and rapid marker for radiation triage and biodosimetry during nuclear emergencies. Similar to the established biodosimetry assays, the gene expression assay has drawbacks such as being highly dynamic and transient, not specific to ionizing radiation, and also influenced by confounding factors such as gender, health status, lifestyle, and inflammation. In view of that, prior knowledge of baseline expression of certain candidate genes in a population could complement the discrimination of the unexposed from the exposed individuals without the need for individual pre-exposure controls. We intended to establish a baseline expression of reported radiation-responsive genes such as CDKN1A, DDB2, FDXR, and PCNA in the blood samples of healthy human participants and then compare it with diabetic/hypertension participants (as a chronic inflammatory condition) drawn from south Indian population. Further, we have examined the appropriateness of the assay for radiation triage-like situations; i.e., the expression profiles of those genes were examined in the participants who underwent X-ray-based medical imaging. Acute inflammation induced by lipopolysaccharide exposure in the blood significantly increased the fold expression of those genes (p < 0.0001) compared to the control. Whereas the basal expression level of those genes among the participants with the inflammatory condition is marginally higher than those observed in the healthy participants; despite the excess, the fold increase in those genes between the groups did not differ significantly. Consistent with the inflammatory participants, the basal expression level of those genes in the blood sample of participants who received X-radiation during neuro-interventional and computed tomography imaging is marginally higher than those observed in the pre-exposure of respective groups. Nevertheless, the fold increase in those genes did not differ significantly as the fold change fell within the two folds. Thus, overall results suggest that the utility of CDKN1A, DDB2, FDXR, and PCNA gene expression for radiation triage specific after very low-dose radiation exposure needs to be interpreted with caution for a much more reliable triage.
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Affiliation(s)
- Nandhini Kannan
- Department of Human Genetics, Sri Ramachandra Institute of Higher Education and Research (Deemed to Be University), Chennai, India
| | - Teena Koshy
- Department of Human Genetics, Sri Ramachandra Institute of Higher Education and Research (Deemed to Be University), Chennai, India
| | - Venkateswarlu Raavi
- Department of Cell Biology and Molecular Genetics, Sri Devaraj Urs Academy of Higher Education and Research (Deemed to Be University), Kolar, India
| | - Emmanuel Bhaskar
- Department of General Medicine, SRMC&RI, Sri Ramachandra Institute of Higher Education and Research (Deemed to Be University), Chennai, India
| | - Swathy Moorthy
- Department of General Medicine, SRMC&RI, Sri Ramachandra Institute of Higher Education and Research (Deemed to Be University), Chennai, India
| | - Venkata Sai Pulivadula Mohanarangam
- Department of Radiology and Imaging Sciences, SRMC&RI, Sri Ramachandra Institute of Higher Education and Research (Deemed to Be University), Chennai, India
| | - Satish Srinivas Kondaveeti
- Department of Radiation Oncology, SRMC&RI, Sri Ramachandra Institute of Higher Education and Research (Deemed to Be University), Chennai, India
| | - Shangamithra Visweswaran
- Department of Human Genetics, Sri Ramachandra Institute of Higher Education and Research (Deemed to Be University), Chennai, India
| | - Venkatachalam Perumal
- Department of Human Genetics, Sri Ramachandra Institute of Higher Education and Research (Deemed to Be University), Chennai, India
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Kozlovskiy AL, Shlimas DI, Zdorovets MV, Elsts E, Konuhova M, Popov AI. Investigation of the Effect of PbO Doping on Telluride Glass Ceramics as a Potential Material for Gamma Radiation Shielding. MATERIALS (BASEL, SWITZERLAND) 2023; 16:2366. [PMID: 36984246 PMCID: PMC10056072 DOI: 10.3390/ma16062366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 02/26/2023] [Accepted: 03/13/2023] [Indexed: 06/18/2023]
Abstract
The purpose of this paper is to study the effect of PbO doping of multicomponent composite glass-like ceramics based on TeO2, WO3, Bi2O3, MoO3, and SiO2, which are one of the promising materials for gamma radiation shielding. According to X-ray diffraction data, it was found that the PbO dopant concentration increase from 0.10 to 0.20-0.25 mol results in the initialization of the phase transformation and structural ordering processes, which are expressed in the formation of SiO2 and PbWO4 phases, and the crystallinity degree growth. An analysis of the optical properties showed that a change in the ratio of the contributions of the amorphous and ordered fractions leads to the optical density increase and the band gap alteration, as well as a variation in the optical characteristics. During the study of the strength and mechanical properties of the synthesized ceramics, depending on the dopant concentration, it was found that when inclusions in the form of PbWO4 are formed in the structure, the strength characteristics increase by 70-80% compared to the initial data, which indicates the doping efficiency and a rise in the mechanical strength of ceramics to external influences. During evaluation of the shielding protective characteristics of the synthesized ceramics, it was revealed that the formation of PbWO4 in the structure results in a rise in the high-energy gamma ray absorption efficiency.
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Affiliation(s)
- Artem L. Kozlovskiy
- Engineering Profile Laboratory, L.N. Gumilyov Eurasian National University, Satpaev Str. 5, Astana 010008, Kazakhstan
- Institute of Geology and Oil and Gas Business, Satbayev University, Satbayev St. 22, Almaty 050032, Kazakhstan
| | - Dmitriy I. Shlimas
- Engineering Profile Laboratory, L.N. Gumilyov Eurasian National University, Satpaev Str. 5, Astana 010008, Kazakhstan
| | - Maxim V. Zdorovets
- Engineering Profile Laboratory, L.N. Gumilyov Eurasian National University, Satpaev Str. 5, Astana 010008, Kazakhstan
| | - Edgars Elsts
- Institute of Solid State Physics, University of Latvia, 8 Kengaraga Str., LV-1063 Riga, Latvia
| | - Marina Konuhova
- Engineering Research Institute, “Ventspils International Radio Astronomy Centre”, Ventspils University of Applied Sciences, 101 Inzenieru Str., LV-3601 Ventspils, Latvia
| | - Anatoli I. Popov
- Engineering Profile Laboratory, L.N. Gumilyov Eurasian National University, Satpaev Str. 5, Astana 010008, Kazakhstan
- Institute of Solid State Physics, University of Latvia, 8 Kengaraga Str., LV-1063 Riga, Latvia
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8
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Comparative Analysis of 60Co and 192Ir Sources in High Dose Rate Brachytherapy for Cervical Cancer. Cancers (Basel) 2022; 14:cancers14194749. [PMID: 36230672 PMCID: PMC9563337 DOI: 10.3390/cancers14194749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 09/24/2022] [Accepted: 09/25/2022] [Indexed: 11/16/2022] Open
Abstract
High-dose-rate (HDR) brachytherapy (BT) is an essential treatment for cervical cancer, one of the most prevalent gynecological malignant tumors. In HDR BT, high radiation doses can be delivered to the tumor target with the minimum radiation doses to organs at risk. Despite the wide use of the small HDR 192Ir source, as the technique has improved, the HDR 60Co source, which has the same miniaturized geometry, has also been produced and put into clinical practice. Compared with 192Ir (74 days), 60Co has a longer half-life (5.3 years), which gives it a great economic advantage for developing nations. The aim of the study was to compare 60Co and 192Ir sources for HDR BT in terms of both dosimetry and clinical treatment. The results of reports published on the use of HDR BT for cervical cancer over the past few years as well as our own research show that this treatment is safe and it is feasible to use 60Co as an alternative source.
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9
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Gursal SA, Mehboob N, Ahmed B, Mehmood MS. On the neutron shielding efficacy of flexible silicone infused with CdO nanoparticles. Radiat Phys Chem Oxf Engl 1993 2022. [DOI: 10.1016/j.radphyschem.2022.110555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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10
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Protection of the hematopoietic system against radiation-induced damage: drugs, mechanisms, and developments. Arch Pharm Res 2022; 45:558-571. [PMID: 35951164 DOI: 10.1007/s12272-022-01400-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Accepted: 08/03/2022] [Indexed: 11/12/2022]
Abstract
Sometimes, people can be exposed to moderate or high doses of radiation accidentally or through the environment. Radiation can cause great harm to several systems within organisms, especially the hematopoietic system. Several types of drugs protect the hematopoietic system against radiation damage in different ways. They can be classified as "synthetic drugs" and "natural compounds." Their cellular mechanisms to protect organisms from radiation damage include free radical-scavenging, anti-oxidation, reducing genotoxicity and apoptosis, and alleviating suppression of the bone marrow. These topics have been reviewed to provide new ideas for the development and research of drugs alleviating radiation-induced damage to the hematopoietic system.
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Miazek K, Beton K, Śliwińska A, Brożek-Płuska B. The Effect of β-Carotene, Tocopherols and Ascorbic Acid as Anti-Oxidant Molecules on Human and Animal In Vitro/In Vivo Studies: A Review of Research Design and Analytical Techniques Used. Biomolecules 2022; 12:biom12081087. [PMID: 36008981 PMCID: PMC9406122 DOI: 10.3390/biom12081087] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 07/25/2022] [Accepted: 08/02/2022] [Indexed: 11/21/2022] Open
Abstract
Prolonged elevated oxidative stress (OS) possesses negative effect on cell structure and functioning, and is associated with the development of numerous disorders. Naturally occurred anti-oxidant compounds reduce the oxidative stress in living organisms. In this review, antioxidant properties of β-carotene, tocopherols and ascorbic acid are presented based on in vitro, in vivo and populational studies. Firstly, environmental factors contributing to the OS occurrence and intracellular sources of Reactive Oxygen Species (ROS) generation, as well as ROS-mediated cellular structure degradation, are introduced. Secondly, enzymatic and non-enzymatic mechanism of anti-oxidant defence against OS development, is presented. Furthermore, ROS-preventing mechanisms and effectiveness of β-carotene, tocopherols and ascorbic acid as anti-oxidants are summarized, based on studies where different ROS-generating (oxidizing) agents are used. Oxidative stress biomarkers, as indicators on OS level and prevention by anti-oxidant supplementation, are presented with a focus on the methods (spectrophotometric, fluorometric, chromatographic, immuno-enzymatic) of their detection. Finally, the application of Raman spectroscopy and imaging as a tool for monitoring the effect of anti-oxidant (β-carotene, ascorbic acid) on cell structure and metabolism, is proposed. Literature data gathered suggest that β-carotene, tocopherols and ascorbic acid possess potential to mitigate oxidative stress in various biological systems. Moreover, Raman spectroscopy and imaging can be a valuable technique to study the effect of oxidative stress and anti-oxidant molecules in cell studies.
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Affiliation(s)
- Krystian Miazek
- Laboratory of Laser Molecular Spectroscopy, Institute of Applied Radiation Chemistry, Lodz University of Technology, Wroblewskiego 15, 93-590 Lodz, Poland
- Correspondence:
| | - Karolina Beton
- Laboratory of Laser Molecular Spectroscopy, Institute of Applied Radiation Chemistry, Lodz University of Technology, Wroblewskiego 15, 93-590 Lodz, Poland
| | - Agnieszka Śliwińska
- Department of Nucleic Acid Biochemistry, Medical University of Lodz, 251 Pomorska Str., 92-213 Lodz, Poland
| | - Beata Brożek-Płuska
- Laboratory of Laser Molecular Spectroscopy, Institute of Applied Radiation Chemistry, Lodz University of Technology, Wroblewskiego 15, 93-590 Lodz, Poland
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Desai RI, Limoli CL, Stark CEL, Stark SM. Impact of spaceflight stressors on behavior and cognition: A molecular, neurochemical, and neurobiological perspective. Neurosci Biobehav Rev 2022; 138:104676. [PMID: 35461987 DOI: 10.1016/j.neubiorev.2022.104676] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 03/15/2022] [Accepted: 04/18/2022] [Indexed: 11/19/2022]
Abstract
The response of the human body to multiple spaceflight stressors is complex, but mounting evidence implicate risks to CNS functionality as significant, able to threaten metrics of mission success and longer-term behavioral and neurocognitive health. Prolonged exposure to microgravity, sleep disruption, social isolation, fluid shifts, and ionizing radiation have been shown to disrupt mechanisms of homeostasis and neurobiological well-being. The overarching goal of this review is to document the existing evidence of how the major spaceflight stressors, including radiation, microgravity, isolation/confinement, and sleep deprivation, alone or in combination alter molecular, neurochemical, neurobiological, and plasma metabolite/lipid signatures that may be linked to operationally-relevant behavioral and cognitive performance. While certain brain region-specific and/or systemic alterations titrated in part with neurobiological outcome, variations across model systems, study design, and the conspicuous absence of targeted studies implementing combinations of spaceflight stressors, confounded the identification of specific signatures having direct relevance to human activities in space. Summaries are provided for formulating new research directives and more predictive readouts of portending change in neurobiological function.
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Affiliation(s)
- Rajeev I Desai
- Harvard Medical School, McLean Hospital, Behavioral Biology Program, Belmont, MA 02478, USA.
| | - Charles L Limoli
- Department of Radiation Oncology, University of California Irvine, Medical Sciences I, B146B, Irvine, CA 92697, USA
| | - Craig E L Stark
- Department of Neurobiology of Behavior, University of California Irvine, 1400 Biological Sciences III, Irvine, CA 92697, USA
| | - Shauna M Stark
- Department of Neurobiology of Behavior, University of California Irvine, 1400 Biological Sciences III, Irvine, CA 92697, USA
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13
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Abend M, Blakely WF, Ostheim P, Schuele S, Port M. Early molecular markers for retrospective biodosimetry and prediction of acute health effects. JOURNAL OF RADIOLOGICAL PROTECTION : OFFICIAL JOURNAL OF THE SOCIETY FOR RADIOLOGICAL PROTECTION 2022; 42:010503. [PMID: 34492641 DOI: 10.1088/1361-6498/ac2434] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 09/07/2021] [Indexed: 06/13/2023]
Abstract
Radiation-induced biological changes occurring within hours and days after irradiation can be potentially used for either exposure reconstruction (retrospective dosimetry) or the prediction of consecutively occurring acute or chronic health effects. The advantage of molecular protein or gene expression (GE) (mRNA) marker lies in their capability for early (1-3 days after irradiation), high-throughput and point-of-care diagnosis, required for the prediction of the acute radiation syndrome (ARS) in radiological or nuclear scenarios. These molecular marker in most cases respond differently regarding exposure characteristics such as e.g. radiation quality, dose, dose rate and most importantly over time. Changes over time are in particular challenging and demand certain strategies to deal with. With this review, we provide an overview and will focus on already identified and used mRNA GE and protein markers of the peripheral blood related to the ARS. These molecules are examined in light of 'ideal' characteristics of a biomarkers (e.g. easy accessible, early response, signal persistency) and the validation degree. Finally, we present strategies on the use of these markers considering challenges as their variation over time and future developments regarding e.g. origin of samples, point of care and high-throughput diagnosis.
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Affiliation(s)
- M Abend
- Bundeswehr Institute of Radiobiology, Munich, Germany
| | - W F Blakely
- Armed Forces Radiobiology Research Institute, Bethesda, MD, United States of America
| | - P Ostheim
- Bundeswehr Institute of Radiobiology, Munich, Germany
| | - S Schuele
- Bundeswehr Institute of Radiobiology, Munich, Germany
| | - M Port
- Bundeswehr Institute of Radiobiology, Munich, Germany
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14
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Jit BP, Pradhan B, Dash R, Bhuyan PP, Behera C, Behera RK, Sharma A, Alcaraz M, Jena M. Phytochemicals: Potential Therapeutic Modulators of Radiation Induced Signaling Pathways. Antioxidants (Basel) 2021; 11:antiox11010049. [PMID: 35052553 PMCID: PMC8773162 DOI: 10.3390/antiox11010049] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 12/22/2021] [Accepted: 12/24/2021] [Indexed: 02/06/2023] Open
Abstract
Ionizing radiation results in extensive damage to biological systems. The massive amount of ionizing radiation from nuclear accidents, radiation therapy (RT), space exploration, and the nuclear battlefield leads to damage to biological systems. Radiation injuries, such as inflammation, fibrosis, and atrophy, are characterized by genomic instability, apoptosis, necrosis, and oncogenic transformation, mediated by the activation or inhibition of specific signaling pathways. Exposure of tumors or normal cells to different doses of ionizing radiation could lead to the generation of free radical species, which can release signal mediators and lead to harmful effects. Although previous FDA-approved agents effectively mitigate radiation-associated toxicities, their use is limited due to their high cellular toxicities. Preclinical and clinical findings reveal that phytochemicals derived from plants that exhibit potent antioxidant activities efficiently target several signaling pathways. This review examined the prospective roles played by some phytochemicals in altering signal pathways associated with radiation response.
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Affiliation(s)
- Bimal Prasad Jit
- School of Life Sciences, Sambalpur University, Jyoti Vihar, Burla 768019, India; (B.P.J.); (R.D.); (R.K.B.)
- Department of Biochemistry, AIIMS, Ansari Nagar, New Delhi 110029, India;
| | - Biswajita Pradhan
- Algal Biotechnology and Molecular Systematic Laboratory, Post Graduate Department of Botany, Berhampur University, Bhanja Bihar, Berhampur 760007, India; (B.P.); (C.B.)
- Department of Biotechnology, Sangmyung University, Seoul 03016, Korea
| | - Rutumbara Dash
- School of Life Sciences, Sambalpur University, Jyoti Vihar, Burla 768019, India; (B.P.J.); (R.D.); (R.K.B.)
| | - Prajna Paramita Bhuyan
- Department of Botany, Maharaja Sriram Chandra Bhanja Deo University, Baripada 757003, India;
| | - Chhandashree Behera
- Algal Biotechnology and Molecular Systematic Laboratory, Post Graduate Department of Botany, Berhampur University, Bhanja Bihar, Berhampur 760007, India; (B.P.); (C.B.)
| | - Rajendra Kumar Behera
- School of Life Sciences, Sambalpur University, Jyoti Vihar, Burla 768019, India; (B.P.J.); (R.D.); (R.K.B.)
| | - Ashok Sharma
- Department of Biochemistry, AIIMS, Ansari Nagar, New Delhi 110029, India;
| | - Miguel Alcaraz
- Radiology and Physical Medicine Department, School of Medicine, Campus de Excelencia Internacional de Ámbito Regional (CEIR)-Campus Mare Nostrum (CMN), Universidad de Murcia, 30100 Murcia, Spain
- Correspondence: (M.A.); (M.J.); Tel.: +34-868883601 (M.A.); +91-7978478950 (M.J.)
| | - Mrutyunjay Jena
- Algal Biotechnology and Molecular Systematic Laboratory, Post Graduate Department of Botany, Berhampur University, Bhanja Bihar, Berhampur 760007, India; (B.P.); (C.B.)
- Correspondence: (M.A.); (M.J.); Tel.: +34-868883601 (M.A.); +91-7978478950 (M.J.)
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15
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Abdallah SH, Mostafa NM, Mohamed MAEH, Nada AS, Singab ANB. UPLC-ESI-MS/MS profiling and hepatoprotective activities of Stevia leaves extract, butanol fraction and stevioside against radiation-induced toxicity in rats. Nat Prod Res 2021; 36:5619-5625. [PMID: 34894905 DOI: 10.1080/14786419.2021.2015594] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Stevioside is the major component of Stevia rebaudiana (Bertoni) leaves, family Asteraceae. UPLC-ESI-MS/MS analyses of leaves total methanol extract (TEx) and standardized butanol fraction (BF, 113.5 mg stevioside/g) were performed herein, revealing steviol glycosides, caffeoylquinic acid derivatives, flavonoids, and sesquiterpenoids. Their hepatoprotective activities against radiation-induced toxicity were evaluated compared to pure stevioside. Rats pretreatment with stevioside, TEx, and BF orally for 7 days before subjection to 6.5 Gy whole-body-gamma-irradiation reversed histopathological damages; improved liver functions and restored depleted antioxidants. ALT and reduced-glutathione levels showed insignificant changes, compared to control, by (5.22%, 3.20%, 24.90%) and (-0.47%, -3.95%, -2.63%), respectively. Glutathione-S-transferase, catalase, and MDA levels were significantly ameliorated. Liver tissue molecular profiling showed reduction in elevated TNF-α by 23.83%, 29.06%, 28.34%, respectively, and in NF-kB and COX-2 expression levels via immunohistochemical study. BF showed better hepatoprotective activity than TEx which may be attributed to higher stevioside, flavonoids, and caffeoylquinic acid derivatives content.
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Affiliation(s)
- Sherien H Abdallah
- Drug Radiation Research Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (AEA), Cairo, Egypt
| | - Nada M Mostafa
- Department of Pharmacognosy, Faculty of Pharmacy, Ain-Shams University, Cairo, Egypt
| | - Marwa Abd El Hameed Mohamed
- Drug Radiation Research Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (AEA), Cairo, Egypt
| | - Ahmed S Nada
- Drug Radiation Research Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (AEA), Cairo, Egypt
| | - Abdel Nasser B Singab
- Department of Pharmacognosy, Faculty of Pharmacy, Ain-Shams University, Cairo, Egypt.,Center for Drug Discovery Research and Development, Ain Shams University, Cairo, Egypt
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16
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Sharapov MG, Gudkov SV, Lankin VZ, Novoselov VI. Role of Glutathione Peroxidases and Peroxiredoxins in Free Radical-Induced Pathologies. BIOCHEMISTRY. BIOKHIMIIA 2021; 86:1418-1433. [PMID: 34906041 DOI: 10.1134/s0006297921110067] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
In this review, we discuss the pathogenesis of some socially significant diseases associated with the development of oxidative stress, such as atherosclerosis, diabetes, and radiation sickness, as well as the possibilities of the therapeutic application of low-molecular-weight natural and synthetic antioxidants for the correction of free radical-induced pathologies. The main focus of this review is the role of two phylogenetically close families of hydroperoxide-reducing antioxidant enzymes peroxiredoxins and glutathione peroxidases - in counteracting oxidative stress. We also present examples of the application of exogenous recombinant antioxidant enzymes as therapeutic agents in the treatment of pathologies associated with free-radical processes and discuss the prospects of the therapeutic use of exogenous antioxidant enzymes, as well as the ways to improve their therapeutic properties.
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Affiliation(s)
- Mars G Sharapov
- Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia.
| | - Sergey V Gudkov
- Prokhorov Institute of General Physics, Russian Academy of Sciences, Moscow, 119991, Russia.,Institute of Biology and Biomedicine, Lobachevsky State University of Nizhni Novgorod, Nizhny Novgorod, 603022, Russia.,All-Russian Research Institute of Phytopathology, Bolshiye Vyazemy, 143050, Russia
| | - Vadim Z Lankin
- National Medical Research Center of Cardiology, Ministry of Health of Russia, Moscow, 121552, Russia
| | - Vladimir I Novoselov
- Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
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17
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Wu X, Zhu T, Li H, He X, Fan SJ. Study on urine biomarkers of radiation-induced injury guided by Caenorhabditis elegans as a model organism. RADIATION MEDICINE AND PROTECTION 2021. [DOI: 10.1016/j.radmp.2021.08.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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18
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Farid A, Haytham M, Essam A, Safwat G. Efficacy of the aqueous extract of Siwa dates in protection against the whole body γ irradiation induced damages in mice. JOURNAL OF RADIATION RESEARCH AND APPLIED SCIENCES 2021. [DOI: 10.1080/16878507.2021.1963628] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Alyaa Farid
- Zoology Dep., Faculty of Science, Cairo University, Giza, Egypt
| | - Merna Haytham
- Faculty of Biotechnology, October University for Modern Sciences and Arts (MSA), Giza, Egypt
| | - Abdelrahman Essam
- Faculty of Biotechnology, October University for Modern Sciences and Arts (MSA), Giza, Egypt
| | - Gehan Safwat
- Faculty of Biotechnology, October University for Modern Sciences and Arts (MSA), Giza, Egypt
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19
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Gao J, Zong X, Chen N, Lan T, Yu W, Long H, Cui F, Tu Y. Research progress on three different types of noncoding RNAs related to ionizing radiation. RADIATION MEDICINE AND PROTECTION 2021. [DOI: 10.1016/j.radmp.2021.04.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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20
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El-Missiry MA, Shabana S, Ghazala SJ, Othman AI, Amer ME. Melatonin exerts a neuroprotective effect against γ-radiation-induced brain injury in the rat through the modulation of neurotransmitters, inflammatory cytokines, oxidative stress, and apoptosis. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:31108-31121. [PMID: 33598836 DOI: 10.1007/s11356-021-12951-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Accepted: 02/09/2021] [Indexed: 05/11/2023]
Abstract
The current study aimed to investigate the ameliorative effect of melatonin (MLT) against brain injury in rats undergoing whole-body exposure to γ-radiation. Male Wistar rats were whole-body exposed to 4-Gy γ-radiation from a cesium-137 source. MLT (10 mg/kg) was orally administrated 30 minutes before irradiation and continued once daily for 1 and 7 days after exposure. In the irradiated rats, the plasma levels of glutamate were increased, while the gamma-aminobutyric acid (GABA) levels were decreased, and MLT improved the disturbed glutamate and GABA levels. These effects paralleled an increase in pro-inflammatory cytokines (IL-1b, IL-6, and TNF-a) and C-reactive protein as well as a decrease in IL-10 in the plasma of the irradiated rats. MLT treatment markedly reduced these effects, indicating its anti-inflammatory impact. Immunohistochemical studies demonstrated a remarkable upregulation of caspase-3 and P53 expression, indicating the increased apoptosis in the brain of irradiated rats. MLT significantly downregulated the expression of these parameters compared with that in the irradiated rats, indicating its anti-apoptotic effect. Oxidative stress is developed in the brain as evidenced by increased levels of malondialdehyde; decreased activities of superoxide dismutase, catalase, and glutathione peroxidase; and decreased content of glutathione in the brain. MLT remarkably ameliorated the development of oxidative stress in the brain of the irradiated rats indicating its antioxidant impact. The histopathological results were consistent with the biochemical and immunohistochemical results and showed that MLT remarkably protected the histological structure of brain tissue compared with that in the irradiated rats. In conclusion, MLT showed potential neuroprotective properties by increasing the release of neurotransmitters, antioxidants, and anti-inflammatory factors and reducing pro-inflammatory cytokines and apoptosis in the brain of irradiated rats. MLT can be beneficial in clinical and occupational settings requiring radiation exposure; however, additional studies are required to elucidate its neuroprotective effect in humans.
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Affiliation(s)
| | - Sameh Shabana
- Faculty of Science, Mansoura University, Mansoura, Egypt
| | - Sara J Ghazala
- Faculty of Science, Mansoura University, Mansoura, Egypt
| | - Azza I Othman
- Faculty of Science, Mansoura University, Mansoura, Egypt
| | - Maggie E Amer
- Faculty of Science, Mansoura University, Mansoura, Egypt
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21
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Saeed A, Murshed MN, Al-Shahari EA. Effect of low-dose fast neutrons on the protein components of peripheral blood mononuclear cells of whole-body irradiated Wistar rats. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:40443-40455. [PMID: 32666461 DOI: 10.1007/s11356-020-10085-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Accepted: 07/09/2020] [Indexed: 06/11/2023]
Abstract
The immune system is exposed to extremely low doses of neutrons under different circumstances, such as through exposure to cosmic rays, nuclear accidents, and neutron therapy. Peripheral blood mononuclear cells (PBMCs) are the primary immune cells that exhibit selective immune responses. Changes in the functions of the protein components of PBMC can be induced by structural modifications of these proteins themselves. Herein, we have investigated the effect of low-dose fast neutrons on PBMC proteins at 0, 2, 4, and 8 days post-whole body irradiation. 64 Wistar rats were used in this study of which, 32 were exposed to fast neutrons at a total dose of 10 mGy (241Am-Be, 0.2 mGy/h), and the other 32 were used as controls. Blood samples were drawn, and PBMCs were isolated from whole blood. Fourier transform infrared (FTIR) spectroscopy and fluorescence spectroscopy were used to estimate the changes in the proteins of PBMCs. An alkaline comet assay was performed to assess DNA damage. Hierarchical cluster analysis (HCA) and principal components analysis (PCA) were utilized to discriminate between irradiated and non-irradiated samples. FTIR and fluorescence spectra of the tested samples revealed alterations in the amides and tryptophan, and therefore protein structure at time intervals of 2 and 4 days post-irradiation. No changes were recorded in samples tested at time intervals of 0 and 8 days post-irradiation. The FTIR band intensities of the PBMC proteins of the irradiated samples decreased slightly and were statistically significant. Curve fitting of the amide I band in the FTIR spectra showed changes in the secondary structure of the proteins. At 2 days post-irradiation, fluorescence spectra of the tested samples revealed decreases in the band tryptophan. The comet assay revealed low levels of DNA damage. In conclusion, low-dose fast neutrons can affect the proteins of PBMC.
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Affiliation(s)
- Abdu Saeed
- Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia.
- Department of Physics, Thamar University, Thamar, Yemen.
| | - Mohammad N Murshed
- Department of Physics, Faculty of Science and Arts, Mohayel Aser, King Khalid University, Abha, Saudi Arabia
- Department of Physics, Faculty of Science, Ibb University, Ibb, Yemen
| | - Eman Abdulqader Al-Shahari
- Department of Biology, Faculty of Science and Arts, Mohayel Aser, King Khalid University, Abha, Saudi Arabia
- Department of Biology, Faculty of Science, Ibb University, Ibb, Yemen
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22
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Melo AR, Silva RMC, Palma-Oliveira JM, Martins DR. Ionising radiation risk perception through mental models: towards radiological emergency preparedness. JOURNAL OF RADIOLOGICAL PROTECTION : OFFICIAL JOURNAL OF THE SOCIETY FOR RADIOLOGICAL PROTECTION 2020; 40:1179-1195. [PMID: 33111712 DOI: 10.1088/1361-6498/abbb26] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 09/23/2020] [Indexed: 06/11/2023]
Abstract
In case of a chemical, biological, radiological, or nuclear emergency, there are recommended or required behaviours to be adopted by the public, e.g. go inside, stay inside, stay informed. The initial response can be crucial to outcomes, all the while recognising that changes may be needed as the emergency progresses. The recent coronavirus pandemic demonstrated how the course of action taken by authorities endorsing these protective behaviours early on can save thousands of lives. Factors that determine response success include public compliance with authorities' recommendations and cooperation between experts and rescuers. In particular, the way rescuers perceive the risks of ionising radiation hazards will influence their preparedness to respond in case of a radiological or nuclear emergency. Having found no previous studies on radiological hazard and risk perception amongst rescuers in Portugal, mental models were used as a descriptive approach. The target groups were firefighters and the military formally trained to deal with radiation hazard emergencies. Their representations of radiological hazards and risks were analysed in the light of an expert model built ad hoc. The results show several overlays between experts and rescuers on the understanding of radiation hazards and potential risks. We conclude that the main gap between radiation risk perceptions by rescuers and experts involves the concepts and mechanisms of radiation contamination and its spread among individuals, in particular, if persons exposed to radioactive sources may also become a radioactive source themselves. This gap can have practical implications for an emergency response.
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Affiliation(s)
- Ana Rita Melo
- CFisUC, University of Coimbra, Department of Physics, Coimbra City, Portugal
| | - Rui M C Silva
- Institute for Plasmas and Nuclear Fusion, University of Lisbon, Lisbon, Portugal
| | | | - Décio Ruivo Martins
- CFisUC, University of Coimbra, Department of Physics, Coimbra City, Portugal
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23
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Catto V, Stronati G, Porro B, Fiorelli S, Ricci V, Vavassori C, Russo E, Guerra F, Gasperetti A, Ribatti V, Sicuso R, Dello Russo A, Veglia F, Tondo C, Cavalca V, Colombo GI, Tremoli E, Casella M. Cardiac arrhythmia catheter ablation procedures guided by x-ray imaging: N-acetylcysteine protection against radiation-induced cellular damage (CARAPACE study): study design. J Interv Card Electrophysiol 2020; 61:577-582. [PMID: 32833109 DOI: 10.1007/s10840-020-00853-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Accepted: 08/12/2020] [Indexed: 11/29/2022]
Abstract
PURPOSE Catheter ablation (CA) procedures are characterized by exposure to ionizing radiations (IR). IR can cause DNA damage and may lead to carcinogenesis if not efficiently repaired. The primary endpoint of this study is to investigate whether intravenous administration of N-acetylcysteine prior to CA procedure may prevent systemic oxidative stress and genomic DNA damage induced by exposure to IR. METHODS The "Cardiac Arrhythmia catheter ablation procedures guided by x-Ray imaging: N-Acetylcysteine Protection Against radiation induced Cellular damagE" (CARAPACE) study is a prospective, randomized, single-blinded, parallel-arm monocenter study enrolling 550 consecutive patients undergoing CA at the Arrhythmology Unit of Centro Cardiologico Monzino (CCM). Inclusion criteria are age ≥ 18, indication for CA procedure guided by IR imaging, and written informed consent. IR levels will be measured via fluoroscopy time, effective dose, and dose area product. Glutathione and glutathione disulfide concentrations will be measured, and urinary levels of 8-iso-prostaglandin-F2α and 8-hydroxy-2-deoxyguanosine will be quantified. The enrolled patients will be randomized 1:1 to the N-acetylcysteine group or to the control group. RESULTS We expect that pre-operative administration of N-acetylcysteine will prevent IR-induced systemic oxidative stress. The study will provide data on oxidative DNA damage assessed by urinary 8-hydroxy-2-deoxyguanosine levels and direct evidence of genomic DNA damage in blood cells by comet assay. CONCLUSION Catheter ablation procedures can lead to IR exposure and subsequent DNA damage. N-acetylcysteine administration prior to the procedure may prevent them and therefore lead to less possible complications. TRIAL REGISTRATION www.clinicaltrials.gov (NCT04154982).
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Affiliation(s)
- Valentina Catto
- Heart Rhythm Center, Centro Cardiologico Monzino IRCCS, Milan, Italy
| | - Giulia Stronati
- Cardiology and Arrhythmology Clinic, Marche Polytechnic University, University Hospital "Ospedali Riuniti", Via Conca 71, Torrette (AN), 60126, Ancona, Italy.
| | - Benedetta Porro
- Unit of Metabolomics and Cellular Biochemistry of Atherothrombosis, Centro Cardiologico Monzino IRCCS, Milan, Italy
| | - Susanna Fiorelli
- Unit of Metabolomics and Cellular Biochemistry of Atherothrombosis, Centro Cardiologico Monzino IRCCS, Milan, Italy
| | - Veronica Ricci
- Unit of Immunology and Functional Genomics, Centro Cardiologico Monzino IRCCS, Milan, Italy
| | - Chiara Vavassori
- Unit of Immunology and Functional Genomics, Centro Cardiologico Monzino IRCCS, Milan, Italy
| | - Eleonora Russo
- Department of Cardiovascular Disease, Division of Cardiac Surgery, Casa Sollievo della Sofferenza IRCCS, San Giovanni Rotondo, Italy
| | - Federico Guerra
- Cardiology and Arrhythmology Clinic, Marche Polytechnic University, University Hospital "Ospedali Riuniti", Via Conca 71, Torrette (AN), 60126, Ancona, Italy
| | | | - Valentina Ribatti
- Heart Rhythm Center, Centro Cardiologico Monzino IRCCS, Milan, Italy
| | - Rita Sicuso
- Heart Rhythm Center, Centro Cardiologico Monzino IRCCS, Milan, Italy
| | - Antonio Dello Russo
- Cardiology and Arrhythmology Clinic, Marche Polytechnic University, University Hospital "Ospedali Riuniti", Via Conca 71, Torrette (AN), 60126, Ancona, Italy
| | - Fabrizio Veglia
- Unit of Biostatistics, Centro Cardiologico Monzino IRCCS, Milan, Italy
| | - Claudio Tondo
- Heart Rhythm Center, Centro Cardiologico Monzino IRCCS, Milan, Italy.,Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy
| | - Viviana Cavalca
- Unit of Metabolomics and Cellular Biochemistry of Atherothrombosis, Centro Cardiologico Monzino IRCCS, Milan, Italy
| | - Gualtiero I Colombo
- Unit of Immunology and Functional Genomics, Centro Cardiologico Monzino IRCCS, Milan, Italy
| | - Elena Tremoli
- Centro Cardiologico Monzino IRCCS, 20138, Milan, Italy
| | - Michela Casella
- Heart Rhythm Center, Centro Cardiologico Monzino IRCCS, Milan, Italy.,Department of Clinical, Special and Dental Sciences, Marche Polytechnic University, University Hospital "Ospedali Riuniti", Ancona, Italy
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Nishida T, Yamaguchi M, Tatara Y, Kashiwakura I. Proteomic changes by radio-mitigative thrombopoietin receptor agonist romiplostim in the blood of mice exposed to lethal total-body irradiation. Int J Radiat Biol 2020; 96:1125-1134. [PMID: 32602419 DOI: 10.1080/09553002.2020.1787546] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
PURPOSE The thrombopoietin receptor agonist romiplostim (RP) is a therapeutic agent for immune thrombocytopenia that can achieve complete survival in mice exposed to a lethal dose of ionizing radiation. The estimated mechanism of the radio-protective/mitigative effects of RP has been proposed; however, the detailed mechanism of action remains unclear. This study aimed to elucidate the mechanism of the radio-protective/mitigative effects of RP, the fluctuation of protein in the blood was analyzed by proteomics. MATERIALS AND METHODS Eight-week-old female C57BL/6J mice were randomly divided into 5 groups; control at day 0, total-body irradiation (TBI) groups at day 10 and day 18, and TBI plus RP groups at day 10 and day18, consisting of 3 mice per group, and subjected to TBI with 7 Gy of 137Cs γ-rays at a dose rate of 0.74 Gy/min. RP was administered intraperitoneally to mice at a dose of 50 µg/kg once daily for 3 days starting 2 hours after TBI. On day 10 and day 18 after TBI, serum collected from each mouse was analyzed by liquid chromatography tandem mass spectrometry. RESULTS Nine proteins were identified by proteomics methods from 269 analyzed proteins detected in mice exposed to a lethal dose of TBI: keratin, type II cytoskeletal 1 (KRT1), fructose-1, 6-bisphosphatase (FBP1), cytosolic 10-formyltetrahydrofolate dehydrogenase (ALDH1L1), peptidyl-prolyl cis-trans isomerase A (PPIA), glycine N-methyltransferase (GNMT), glutathione S-transferase Mu 1 (GSTM1), regucalcin (RGN), fructose-bisphosphate aldolase B (ALDOB) and betain-homocysteine S-methyltransferase 1 (BHMT). On the 10th day after TBI, KRT1 was significantly increased (p < 0.05) by 4.26-fold compared to the control group in the TBI group and significantly inhibited in the TBI plus RP group (p < 0.05). Similarly, the expression levels of other 8 proteins detected at 18th day after TBI were significantly increased by 4.29 to 27.44-fold in the TBI group, but significantly decreased in the TBI plus RP group compared to the TBI group, respectively. CONCLUSION Nine proteins were identified by proteomics methods from 269 analyzed proteins detected in mice exposed to a lethal dose of TBI. These proteins are also expected to be indicators of the damage induced by high-dose radiation.
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Affiliation(s)
- Teruki Nishida
- Department of Radiation Science, Hirosaki University Graduate School of Health Sciences, Hirosaki, Japan
| | - Masaru Yamaguchi
- Department of Radiation Science, Hirosaki University Graduate School of Health Sciences, Hirosaki, Japan
| | - Yota Tatara
- Department of Glycotechnology, Center for Advanced Medical Research, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Ikuo Kashiwakura
- Department of Radiation Science, Hirosaki University Graduate School of Health Sciences, Hirosaki, Japan
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25
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Pradhan B, Baral S, Patra S, Behera C, Nayak R, MubarakAli D, Jena M. Delineation of gamma irradiation (60Co) induced oxidative stress by decrypting antioxidants and biochemical responses of microalga, Chlorella sp. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2020. [DOI: 10.1016/j.bcab.2020.101595] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Huang R, Zhou Y, Hu S, Ren G, Cui F, Zhou PK. Radiotherapy Exposure in Cancer Patients and Subsequent Risk of Stroke: A Systematic Review and Meta-Analysis. Front Neurol 2019; 10:233. [PMID: 30930843 PMCID: PMC6428767 DOI: 10.3389/fneur.2019.00233] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Accepted: 02/22/2019] [Indexed: 12/12/2022] Open
Abstract
Background: Cancer patients who have undergone radiotherapy may have an increased risk of subsequent stroke. A clear and detailed understanding of this risk has not been established. Methods: A search for research articles published from January 1990 to November 2017 in the English language was conducted. Subsequent stroke risk in cancer survivors was compared using relative risk (RR) and 95% confidence intervals (CI) according to whether or not radiotherapy was given. Results: A total of 12 eligible studies were identified including 57,881 total patients. All studies were retrospective, as no prospective studies were identified. The meta-analysis revealed a higher overall risk of subsequent stroke in cancer survivors/patients given radiotherapy compared to those not given radiotherapy (RR: 2.09, 95% CI: 1.45, 3.16). In addition, compared to patients not given radiotherapy, there was an increased risk of subsequent stroke for radiotherapy treated patients with Hodgkin's lymphoma (RR: 2.81, 95% CI: 0.69, 4.93) or head/neck/brain/nasopharyngeal cancer (RR: 2.16, 95% CI: 1.16, 3.16), for patients younger than 40 years (RR: 3.53, 95% CI: 2.51, 4.97) or aged 40-49 years (RR: 1.23, 95% CI: 1.09, 1.45) and for patients treated in Asia (RR: 1.88, 95% CI: 1.48, 2.29), the United States (RR: 1.62, 95% CI: 1.01, 2.23), or in Europe (RR: 4.11, 95% CI 2.62, 6.45). Conclusions: The available literature indicates an approximate overall doubling of the subsequent stroke risk in cancer patients given radiotherapy. The elevated risk was generally statistically significant according to cancer type, baseline patient age and region or country where treatment was given. Caution is required in interpreting these findings due to the heterogeneity of populations represented and lack of standardization and completeness across published studies. Further, if real, we cannot conclude the extent to which patient, treatment and/or investigational factors are responsible for this apparent elevated risk. An objective and more detailed understanding of the risks of radiotherapy, and how to prevent them, is urgently required. It is the responsibility of all who provide cancer services to ensure that the experience of all their patients is documented and analyzed using quality registries.
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Affiliation(s)
- Ruixue Huang
- Department of Occupational and Environmental Health, Xiangya School of Public Health, Central South University, Changsha, China
| | - Yao Zhou
- Department of Occupational and Environmental Health, Xiangya School of Public Health, Central South University, Changsha, China
| | - Sai Hu
- Institute for Environmental Medicine and Radiation Health, The College of Public Health, University of South China, Hengyang, China.,Beijing Key Laboratory for Radiobiology, Department of Radiation Biology, Beijing Institute of Radiation Medicine, Academy of Military Medical Sciences, Beijing, China
| | - Guofeng Ren
- Department of Nutrition and Food Hygiene, Xiangya School of Public Health, Central South University, Changsha, China
| | - Fengmei Cui
- Department of Radiation Medicine, School of Radiation Medicine and Protection, Medical College of Soochow University, Suzhou, China
| | - Ping-Kun Zhou
- Beijing Key Laboratory for Radiobiology, Department of Radiation Biology, Beijing Institute of Radiation Medicine, Academy of Military Medical Sciences, Beijing, China
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27
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Laiakis EC, Canadell MP, Grilj V, Harken AD, Garty GY, Astarita G, Brenner DJ, Smilenov L, Fornace AJ. Serum lipidomic analysis from mixed neutron/X-ray radiation fields reveals a hyperlipidemic and pro-inflammatory phenotype. Sci Rep 2019; 9:4539. [PMID: 30872747 PMCID: PMC6418166 DOI: 10.1038/s41598-019-41083-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Accepted: 02/27/2019] [Indexed: 01/06/2023] Open
Abstract
Heightened threats for nuclear terrorism using improvised nuclear devices (IND) necessitate the development of biodosimetry assays that could rapidly assess thousands of individuals. However, the radiation exposures from an IND may be complex due to mixed fields of neutrons and photons (γ-rays), shielding from buildings, and proximity to the epicenter among others. In this study we utilized lipidomics to analyze serum samples from mice exposed to various percentages of neutrons and X-rays to a total dose of 3 Gy. Triacylglycerides, phosphatidylserines, lysophosphatidylethanolamines, lysophosphatidylcholines (LPCs), sphingolipids, and cholesteryl esters all showed delayed increases at day 7 compared to day 1 after irradiation, while diacylglycerides decreased in mixed field exposures and phosphatidylcholines (PCs) remained largely unchanged. Individual lipid molecules with a high degree of unsaturation exhibited the highest fold changes in mixed fields compared to photons alone. More importantly, the increased ratio of LPCs to PCs of each irradiation group compared to control could be used as a radiation biomarker and highlights the existence of a pro-inflammatory phenotype. The results showed that even a small percentage of neutrons in a mixed field can lead to high biological responses with implications for accurate biodosimetry, triage and medical managements of exposed populations.
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Affiliation(s)
- Evagelia C Laiakis
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, USA. .,Department of Biochemistry and Molecular & Cellular Biology, Georgetown University, Washington, DC, USA.
| | | | - Veljko Grilj
- Radiological Research Accelerator Facility, Columbia University, Irvington, NY, USA
| | - Andrew D Harken
- Radiological Research Accelerator Facility, Columbia University, Irvington, NY, USA
| | - Guy Y Garty
- Radiological Research Accelerator Facility, Columbia University, Irvington, NY, USA
| | - Giuseppe Astarita
- Department of Biochemistry and Molecular & Cellular Biology, Georgetown University, Washington, DC, USA
| | - David J Brenner
- Center for Radiological Research, Columbia University, New York, NY, USA
| | - Lubomir Smilenov
- Center for Radiological Research, Columbia University, New York, NY, USA
| | - Albert J Fornace
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, USA.,Department of Biochemistry and Molecular & Cellular Biology, Georgetown University, Washington, DC, USA
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