1
|
Fenech M, Holland N, Zeiger E, Chang PW, Kirsch-Volders M, Bolognesi C, Stopper H, Knudsen LE, Knasmueller S, Nersesyan A, Thomas P, Dhillon V, Deo P, Franzke B, Andreassi MG, Laffon B, Wagner KH, Norppa H, da Silva J, Volpi EV, Wilkins R, Bonassi S. Objectives and Achievements of the HUMN project on its 26 th Anniversary. MUTATION RESEARCH. REVIEWS IN MUTATION RESEARCH 2024:108511. [PMID: 39233049 DOI: 10.1016/j.mrrev.2024.108511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2024] [Revised: 08/22/2024] [Accepted: 08/26/2024] [Indexed: 09/06/2024]
Abstract
Micronuclei (MN) are a nuclear abnormality that occurs when chromosome fragments or whole chromosomes are not properly segregated during mitosis and consequently are excluded from the main nuclei and wrapped within nuclear membrane to form small nuclei. This maldistribution of genetic material leads to abnormal cellular genomes which may increase risk of developmental defects, cancers, and accelerated aging. Despite the potential importance of MN as biomarkers of genotoxicity, very little was known about the optimal way to measure MN in humans, the normal ranges of values of MN in healthy humans and the prospective association of MN with developmental and degenerative diseases prior to the 1980's. In the early 1980's two important methods to measure MN in humans were developed namely, the cytokinesis-block MN (CBMN) assay using peripheral blood lymphocytes and the Buccal MN assay that measures MN in epithelial cells from the oral mucosa. These discoveries greatly increased interest to use MN assays in human studies. In 1997 the Human Micronucleus (HUMN) project was founded to initiate an international collaboration to (i) harmonise and standardise the techniques used to perform the lymphocyte CBMN assay and the Buccal MN assay; (ii) establish and collate databases of MN frequency in human populations world-wide which also captured demographic, lifestyle and environmental genotoxin exposure data and (iii) use these data to identify the most important variables affecting MN frequency and to also determine whether MN predict disease risk. In this paper we briefly describe the achievements of the HUMN project during the period from the date of its foundation on 9th September 1997 until its 26th Anniversary in 2023, which included more than 200 publications and 23 workshops world-wide.
Collapse
Affiliation(s)
- Michael Fenech
- Health and Biomedical Innovation, UniSA Clinical and Health Sciences, University of South Australia, Adelaide 5000, Australia; Genome Health Foundation, North Brighton, SA, 5048, Australia.
| | - Nina Holland
- Center for Environmental Research and Community Health (CERCH), University of California, Berkeley, Berkeley, California, USA.
| | - Errol Zeiger
- Errol Zeiger Consulting, Chapel Hill, North Carolina, USA.
| | - Peter Wushou Chang
- Show Chwan Memorial Hospital, Changhwa, Taiwan; TUFTS University Medical School Boston USA.
| | - Micheline Kirsch-Volders
- Laboratory for Cell Genetics, Department Biology, Faculty of Sciences and Bio-engineering Sciences, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium.
| | - Claudia Bolognesi
- Environmental Carcinogenesis Unit, Ospedale Policlinico San Martino, Genoa, Italy.
| | - Helga Stopper
- Institute of Pharmacology and Toxicology, University of Würzburg, 97080 Würzburg, Germany.
| | - Lisbeth E Knudsen
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Copenhagen, Denmark.
| | - Siegfried Knasmueller
- Institute of Cancer Research, Department of Medicine I, Medical University of Vienna, Vienna, Austria.
| | - Armen Nersesyan
- Institute of Cancer Research, Department of Medicine I, Medical University of Vienna, Vienna, Austria.
| | - Philip Thomas
- CSIRO Health and Biosecurity, Adelaide 5000, Australia.
| | - Varinderpal Dhillon
- Health and Biomedical Innovation, UniSA Clinical and Health Sciences, University of South Australia, Adelaide 5000, Australia.
| | - Permal Deo
- Health and Biomedical Innovation, UniSA Clinical and Health Sciences, University of South Australia, Adelaide 5000, Australia.
| | - Bernhard Franzke
- Department of Nutritional Sciences, University of Vienna, Austria; Research Platform Active Ageing, University of Vienna, Austria.
| | | | - Blanca Laffon
- Universidade da Coruña, Grupo DICOMOSA, CICA-Centro Interdisciplinar de Química e Bioloxía, Departamento de Psicología, Facultad de Ciencias de la Educación, and Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), Sergas, A Coruña, Spain.
| | - Karl-Heinz Wagner
- Department of Nutritional Sciences, University of Vienna, Austria; Research Platform Active Ageing, University of Vienna, Austria.
| | - Hannu Norppa
- Finnish Institute of Occupational Health, 00250 Helsinki, Finland.
| | - Juliana da Silva
- Laboratory of Genetic Toxicology, La Salle University (UniLaSalle), 92010-000, Canoas, RS, Brazil; PPGBM, Federal University of Brazil (UFRGS), 91501-970, Porto Alegre, RS, Brazil.
| | - Emanuela V Volpi
- School of Life Sciences, University of Westminster, 115 New Cavendish Street, W1W6UW, London, UK.
| | - Ruth Wilkins
- Environmental and Radiation Health Sciences Directorate, Health Canada 775 Brookfield Rd, Ottawa K1A 1C1, Canada.
| | - Stefano Bonassi
- Clinical and Molecular Epidemiology, IRCCS San Raffaele Roma, 00166 Rome, Italy.
| |
Collapse
|
2
|
Ruiz-Ruiz B, Torres-Bugarin O, Zúñiga-Violante E, Casillas-Figueroa F, Luna-Vázquez-Gómez R, Campos Gallegos V, Ruiz-Arellano AE, Arellano-García ME. Genomic Instability and Cytotoxicity Evaluation of Two Communities Exposed to Pesticides in the Mexicali Valley by the L-CBMN Assay. TOXICS 2023; 11:807. [PMID: 37888658 PMCID: PMC10611012 DOI: 10.3390/toxics11100807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 08/18/2023] [Accepted: 08/21/2023] [Indexed: 10/28/2023]
Abstract
The continuous biomonitoring of a population directly or indirectly exposed to pesticides could be an additional tool for decision makers to improve their health conditions. In this work, we performed biomonitoring on two groups of people from the Mexicali Valley who were continuously exposed to pesticides using the cytokinesis-block micronucleus cytome assay (L-CBMN) to evaluate cytotoxic and genotoxic damage in human peripheral blood lymphocytes. The study groups comprised 14 indigenous Cucapah with non-vegetarian habits (NV group) from Ejido el Mayor (32.12594°, -115.27265°) and 21 lacto-ovo vegetarian (LOV) persons from the Seventh-day Adventist Church of Ejido Vicente Guerrero (32.3961°, -115.14023°). The L-CBMN assay determines the nuclear division index (NDI), apoptosis, necrosis, micronuclei (MNs), nuclear buds (NBUDs), and nucleoplasmic bridges (NPBs). Our results show that, regardless of diet or daily habits, both the studied groups presented with cytogenotoxic damage compared with non-exposed pesticide individuals, without modifications to the nuclear division index. In the rest of the evaluated biomarkers, the NV group exhibited greater cytotoxic and genotoxic damage than the LOV group. Nevertheless, individuals practicing a lacto-ovo vegetarian diet (LOV) showed lower damage than those with non-vegetarian habits (NV), suggesting a better antioxidant response that helps decrease the genotoxic damage due to the enhanced intake of folates and antioxidants from a plant-based diet.
Collapse
Affiliation(s)
- Balam Ruiz-Ruiz
- Laboratorio de Genotoxicología Ambiental, Facultad de Ciencias, Universidad Autónoma de Baja California, Ensenada 22860, Baja California, Mexico; (B.R.-R.); (E.Z.-V.); (F.C.-F.); (R.L.-V.-G.); (V.C.G.)
| | - Olivia Torres-Bugarin
- Laboratorio de Evaluación de Genotóxicos, Medicina Interna II, Facultad de Medicina, Decanato de Ciencias de la Salud, Universidad Autónoma de Guadalajara, Zapopan 45129, Jalisco, Mexico
| | - Erika Zúñiga-Violante
- Laboratorio de Genotoxicología Ambiental, Facultad de Ciencias, Universidad Autónoma de Baja California, Ensenada 22860, Baja California, Mexico; (B.R.-R.); (E.Z.-V.); (F.C.-F.); (R.L.-V.-G.); (V.C.G.)
| | - Francisco Casillas-Figueroa
- Laboratorio de Genotoxicología Ambiental, Facultad de Ciencias, Universidad Autónoma de Baja California, Ensenada 22860, Baja California, Mexico; (B.R.-R.); (E.Z.-V.); (F.C.-F.); (R.L.-V.-G.); (V.C.G.)
| | - Roberto Luna-Vázquez-Gómez
- Laboratorio de Genotoxicología Ambiental, Facultad de Ciencias, Universidad Autónoma de Baja California, Ensenada 22860, Baja California, Mexico; (B.R.-R.); (E.Z.-V.); (F.C.-F.); (R.L.-V.-G.); (V.C.G.)
| | - Verónica Campos Gallegos
- Laboratorio de Genotoxicología Ambiental, Facultad de Ciencias, Universidad Autónoma de Baja California, Ensenada 22860, Baja California, Mexico; (B.R.-R.); (E.Z.-V.); (F.C.-F.); (R.L.-V.-G.); (V.C.G.)
| | - Ana Erika Ruiz-Arellano
- Facultad de Ingeniería, Arquitectura y Diseño, Universidad Autónoma de Baja California, Ensenada 22860, Baja California, Mexico;
| | - María Evarista Arellano-García
- Laboratorio de Genotoxicología Ambiental, Facultad de Ciencias, Universidad Autónoma de Baja California, Ensenada 22860, Baja California, Mexico; (B.R.-R.); (E.Z.-V.); (F.C.-F.); (R.L.-V.-G.); (V.C.G.)
| |
Collapse
|
3
|
Mousavikia SN, Bahreyni Toossi MT, Khademi S, Soukhtanloo M, Azimian H. Evaluation of micronuclei and antioxidant status in hospital radiation workers occupationally exposed to low-dose ionizing radiation. BMC Health Serv Res 2023; 23:540. [PMID: 37226157 DOI: 10.1186/s12913-023-09516-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Accepted: 05/08/2023] [Indexed: 05/26/2023] Open
Abstract
PURPOSE There is scientific evidence that ionizing radiation (IR) can be responsible for various health hazards that are one of the concerns in occupational exposure. This study was performed to evaluate DNA damage and antioxidant status in hospital workers who are occupationally exposed to low doses of IR. MATERIALS AND METHODS In this study, twenty occupationally exposed to low doses of IR (CT and angiography) comprising with control groups which matched them. In order to investigate the effects of chronic irradiation of radiation workers, Micronuclei (MN) frequency and the antioxidant activity of Superoxide Dismutase (SOD), Catalase (CAT) and Total Antioxidant Capacity (TAC) were measured. Then, to check adaptation against high challenge dose, the samples (in all groups) were irradiated in vitro and MN frequency was compared. Finally, to investigated the effect of the high dose after the acute and chronic low dose of ionizing radiation, MN frequency was compared in two groups (the control group that was to in-vitro irradiated (acute low dose + high dose) and radiation workers (chronic low dose + high dose)). RESULTS MN frequency in the occupationally exposed group (n = 30) increased significantly when compared to the control group (p-value < 0.0001). However, chronic irradiation of radiation workers could not lead to an adaptive Sresponse, while acute low-doses could produce this effect (p-value ˂ 0.05). In addition, the activity levels of antioxidant enzymes SOD, CAT, and TAC were not statistically different between the radiation workers and the control group (p-value > 0.05). CONCLUSIONS We observed that exposure to low doses of IR leads to increased cytogenetic damage, could not cause an adaptive-response, and improve antioxidant capacity in radiation workers. Controlling healthcare workers' exposure is the first step to improving the health of hospital workers and the quality of patient care, thus decreasing human and economic costs.
Collapse
Affiliation(s)
- S N Mousavikia
- Medical Physics Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - M T Bahreyni Toossi
- Medical Physics Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - S Khademi
- Department of Radiology Technology, School of Paramedical Sciences, Mashhad University of Medical Sciences, Mashhad, Iran
| | - M Soukhtanloo
- Department of Biochemistry, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - H Azimian
- Medical Physics Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
| |
Collapse
|
4
|
Zeng FS, Yao YF, Wang LF, Li WJ. Polysaccharides as antioxidants and prooxidants in managing the double-edged sword of reactive oxygen species. Biomed Pharmacother 2023; 159:114221. [PMID: 36634589 DOI: 10.1016/j.biopha.2023.114221] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 01/03/2023] [Accepted: 01/04/2023] [Indexed: 01/11/2023] Open
Abstract
Polysaccharides, a class of naturally occurring carbohydrates, were widely presented in animals, plants, and microorganisms. Recently, health benefits of polysaccharides have attracted much attention due to their unique characteristics in reactive oxygen species (ROS) management. ROS, by-products of aerobic metabolism linked to food consumption, exhibited a dual role in protecting cells and fostering pathogenesis collectively termed double-edged sword. Some interesting studies reported that polysaccharides could behave as prooxidants under certain conditions, besides antioxidant capacities. Potentiation of the bright side of ROS could contribute to the host defense that was vitally important for the polysaccharides acting as biological response modifiers. Correspondingly, disease prevention of polysaccharides linked to the management of ROS production was systematically described and discussed in this review. Furthermore, major challenges and future prospects were presented, aiming to provide new insight into applying polysaccharides as functional food ingredients and medicine.
Collapse
Affiliation(s)
- Fan-Sen Zeng
- State Key Laboratory of Food Science and Technology, Nanchang University, 235 Nanjing East Road, Nanchang 330047, China
| | - Yu-Fei Yao
- Department of Critical Care Medicine, The Affiliated Hospital of Jiangxi University of Traditional Chinese Medicine, Nanchang 330006, China
| | - Le-Feng Wang
- State Key Laboratory of Food Science and Technology, Nanchang University, 235 Nanjing East Road, Nanchang 330047, China; Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Wen-Juan Li
- State Key Laboratory of Food Science and Technology, Nanchang University, 235 Nanjing East Road, Nanchang 330047, China.
| |
Collapse
|
5
|
Struys I, Verscheure E, Lenaerts L, Amant F, Godderis L, Ghosh M. Characterization of the genotoxic profile of antineoplastic drugs using the cytokinesis-block micronucleus cytome assay. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2023; 97:104036. [PMID: 36503061 DOI: 10.1016/j.etap.2022.104036] [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: 09/06/2022] [Revised: 11/22/2022] [Accepted: 12/06/2022] [Indexed: 06/17/2023]
Abstract
Since antineoplastic agents are frequently used in cancer therapy and able to affect the patient's DNA, it is important to know the genotoxic consequences on non-cancerous tissue. Therefore, we aimed to characterize the genotoxic profile of antineoplastic drugs belonging to different classes, using the cytokinesis-block micronucleus cytome assay in a human monocytic cell line (THP-1). All tested antineoplastic agents resulted in increased micronucleus formation. Exposure to anthracyclines led to an increased number of vacuolated cells and cell death, while for mitotic spindle inhibitors, (different stages of) cell death and an increased nuclear bud formation was observed. Alkylating agents induce a high proportion of vacuolated cells and increased nuclear bud formation. No striking differences of nuclear division index or nucleoplasmic bridge formation were observed between exposed and non-exposed cells. The here presented class-specific aberrations may facilitate interpretation of genotoxic aberrations when evaluating clinical samples from patients treated with these antineoplastic agents.
Collapse
Affiliation(s)
- Ilana Struys
- Department of Oncology, KU Leuven, Herestraat 49, 3000 Leuven, Belgium.
| | - Eline Verscheure
- Center for Environment and Health, Department of Public Health and Primary Care, KU Leuven, Herestraat 49, 3000 Leuven, Belgium.
| | - Liesbeth Lenaerts
- Department of Oncology, KU Leuven, Herestraat 49, 3000 Leuven, Belgium.
| | - Frédéric Amant
- Department of Oncology, KU Leuven, Herestraat 49, 3000 Leuven, Belgium; Center for Gynecological Oncology Amsterdam, Antoni van Leeuwenhoek-Netherlands Cancer Institute, Plesmanlaan 121, 1066 CX Amsterdam, the Netherlands; Center for Gynecological Oncology Amsterdam, Amsterdam University Medical Centers, Meibergdreef 9, 1105 AZ Amsterdam, the Netherlands.
| | - Lode Godderis
- Center for Environment and Health, Department of Public Health and Primary Care, KU Leuven, Herestraat 49, 3000 Leuven, Belgium; Idewe, External Service for Prevention and Protection at work, Interleuvenlaan 58, 3001 Heverlee, Belgium.
| | - Manosij Ghosh
- Center for Environment and Health, Department of Public Health and Primary Care, KU Leuven, Herestraat 49, 3000 Leuven, Belgium.
| |
Collapse
|
6
|
Sharma A, Chauhan P, Sharma K, Kalotra V, Kaur A, Chadha P, Kaur S, Kaur A. An endophytic Schizophyllum commune possessing antioxidant activity exhibits genoprotective and organprotective effects in fresh water fish Channa punctatus exposed to bisphenol A. BMC Microbiol 2022; 22:291. [PMID: 36474157 PMCID: PMC9724346 DOI: 10.1186/s12866-022-02713-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 10/17/2022] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Oxidative stress is responsible for the onset of several chronic and degenerative diseases. Exogenous supply of antioxidants is reported to neutralize the effects of oxidative stress. Several synthetic antioxidants suffer from various side effects which necessitates the exploration of antioxidant compounds from natural sources. Endophytic fungi residing in the plants are gaining the attention of researchers as a source of novel antioxidants. Majority of the research conducted so far on endophytic fungi has been restricted to the members of phylum ascomycota. Basidiomycota, inspite of their immense bioactive potential remain relatively unexploited. This study aimed to assess the ameliorative effects of an endophytic Schizophyllum commune (basidiomycetous fungus) against oxidative stress associated altered antioxidant levels, genotoxicity and cellular damage to different organs in bisphenol A exposed fresh water fish Channa punctatus. RESULTS Good antioxidant and genoprotective potential was exhibited by S. commune extract in in vitro studies conducted using different antioxidant, DNA damage protection, and cytokinesis blocked micronuclei assays. In vivo studies were performed in fresh water fish Channa punctatus exposed to bisphenol A. A significant decrease in the considered parameters for DNA damage (% micronuclei and comet assay) were recorded in fish treated with S. commune extract on comparison with untreated bisphenol A exposed group. The S. commune extract treated fish also exhibited an increase in the level of antioxidant enzymes viz. catalase, superoxide dismutase and glutathione reductase as well as histoprotective effect on various organs. GC-MS analysis revealed the presence of 3-n-propyl-2,4-pentanedione, n-heptadecanol-1, trans-geranylgeraniol, 3-ethyl-2-pentadecanone, 1-heneicosanol and squalene as some of the compounds in S. commune extract. CONCLUSION The study highlights the significance of an endophytic basidiomycetous fungus S. commune as a source of antioxidant compounds with possible therapeutic potential.
Collapse
Affiliation(s)
- Avinash Sharma
- grid.411894.10000 0001 0726 8286Department of Microbiology, Guru Nanak Dev University, 143005 Amritsar, Punjab India
| | - Pooja Chauhan
- grid.411894.10000 0001 0726 8286Department of Microbiology, Guru Nanak Dev University, 143005 Amritsar, Punjab India
| | - Khushboo Sharma
- grid.411894.10000 0001 0726 8286Department of Zoology, Guru Nanak Dev University, 143005 Amritsar, Punjab India
| | - Vishali Kalotra
- grid.411894.10000 0001 0726 8286Department of Human Genetics, Guru Nanak Dev University, Amritsar, Punjab India
| | - Anupam Kaur
- grid.411894.10000 0001 0726 8286Department of Human Genetics, Guru Nanak Dev University, Amritsar, Punjab India
| | - Pooja Chadha
- grid.411894.10000 0001 0726 8286Department of Zoology, Guru Nanak Dev University, 143005 Amritsar, Punjab India
| | - Sukhraj Kaur
- grid.411894.10000 0001 0726 8286Department of Microbiology, Guru Nanak Dev University, 143005 Amritsar, Punjab India
| | - Amarjeet Kaur
- grid.411894.10000 0001 0726 8286Department of Microbiology, Guru Nanak Dev University, 143005 Amritsar, Punjab India
| |
Collapse
|
7
|
Tang Z, Qin Y, Wang Y, Lin W, Wang Q, Shen N, Xiao Y, Chen H, Chen H, Bu T, Li Q, Yao H, Feng S, Ding C. The endophytic fungus Penicillium oxalicum isolated from Ligusticum chuanxiong Hort possesses DNA damage-protecting potential and increases stress resistance properties in Caenorhabditis elegans. Front Pharmacol 2022; 13:983716. [PMID: 36110524 PMCID: PMC9468742 DOI: 10.3389/fphar.2022.983716] [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: 07/01/2022] [Accepted: 08/05/2022] [Indexed: 11/24/2022] Open
Abstract
The chemical composition and antioxidant activity of extracts (POE) of Penicillium oxalate isolated from Ligusticum chuanxiong Hort have been investigated. However, the biological activity of POE is limited, and its antioxidant, stress resistance and DNA protection effects in vivo are unclear. The current study aims to explore the beneficial effects of POE on DNA damage protection in pBR322 plasmid and lymphocytes and stress resistance in Caenorhabditis elegans. The results showed that POE increased the survival rate of C. elegans under 35°C, UV and H2O2 stress, attenuated ROS and MDA accumulation, and enhanced the activity of some important enzymes (SOD, CTA, and GSH-PX). In addition, the POE-mediated stress resistance involved the upregulation of the expression of the sod-3, sod-5, gst-4, ctl-1, ctl-2, daf-16, hsp-16.1, hsp-16.2, and hsf-1 genes and acted dependently on daf-16 and hsf-1 rather than skn-1. Moreover, POE also reduced lipofuscin levels, but did not prolong the lifespan or damage the growth, reproduction and locomotion of C. elegans. Furthermore, POE showed a protective effect against DNA scission in the pBR322 plasmid and lymphocytes. These results suggested that P. oxalate extracts have significant anti-stress and DNA protection potential and could be potential drug candidates in the pharmaceutical field, thus greatly broadening the understanding of the biological effects of the endophytic fungus P. oxalate.
Collapse
Affiliation(s)
- Zizhong Tang
- College of Life Sciences, Sichuan Agricultural University, Ya’an, China
- *Correspondence: Zizhong Tang, ; Hui Chen,
| | - Yihan Qin
- College of Life Sciences, Sichuan Agricultural University, Ya’an, China
| | - Yueyu Wang
- College of Life Sciences, Sichuan Agricultural University, Ya’an, China
| | - Wenjie Lin
- College of Life Sciences, Sichuan Agricultural University, Ya’an, China
| | - Qing Wang
- College of Life Sciences, Sichuan Agricultural University, Ya’an, China
| | - Nayu Shen
- College of Life Sciences, Sichuan Agricultural University, Ya’an, China
| | - Yirong Xiao
- Sichuan Agricultural University Hospital, Sichuan Agricultural University, Ya’an, China
| | - Hong Chen
- College of Food Science, Sichuan Agricultural University, Ya’an, China
| | - Hui Chen
- College of Life Sciences, Sichuan Agricultural University, Ya’an, China
- *Correspondence: Zizhong Tang, ; Hui Chen,
| | - Tongliang Bu
- College of Life Sciences, Sichuan Agricultural University, Ya’an, China
| | - Qingfeng Li
- College of Life Sciences, Sichuan Agricultural University, Ya’an, China
| | - Huipeng Yao
- College of Life Sciences, Sichuan Agricultural University, Ya’an, China
| | - Shiling Feng
- College of Life Sciences, Sichuan Agricultural University, Ya’an, China
| | - Chunbang Ding
- College of Life Sciences, Sichuan Agricultural University, Ya’an, China
| |
Collapse
|
8
|
Montaser SA, Ahmed MM, Mohammed MR. PARADOXICAL DUAL ROLES OF SOME CYTOKINES INTERPRETED BY CYTOGENETICS INVESTIGATIONS IN IRRADIATED HUMAN BLOOD CULTURES. RADIATION PROTECTION DOSIMETRY 2022; 198:862-869. [PMID: 35795919 DOI: 10.1093/rpd/ncac152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 05/10/2022] [Accepted: 05/31/2022] [Indexed: 06/15/2023]
Abstract
Four different cytokines (IL1-β, IL-6, IL-10 and TNF-α) and the cytokinesis-block micronucleus (CBMN) cytome assay investigations were evaluated in six human blood samples. They were divided into the control (nonirradiated) and five gamma-irradiated groups which were exposed to five different doses (0.5, 1, 2, 4 and 8 Gy). Blood groups were cultured in triplets for 72 h following 1 h of irradiation. Immunological and cytogenetics were investigated parallelly at different irradiation doses to understand the connection between them. Our aim is anchoring the active proliferation action of cytokines by presence of binucleated cells and resting immune system by mononuclear cell. Also, cell death by increasing necrotic cell count and TNF-α concentration. When compared with the control group, 0.5, 1, 2 and 4 Gy irradiation groups recorded a gradual increase in the cytokines levels, an increase in the total micronucleated cells (binucleated and mononucleated cells), an increase in necrotic and apoptotic cells counts. While 8 Gy irradiation leads to depletion in TNF-α concentration, although the number of necrotic cells was high.
Collapse
Affiliation(s)
- Sherien A Montaser
- Radiation Biology Department, National Centre for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority, P. O. Box; 29 Nasr City, Egypt
| | - Mahmoud M Ahmed
- Radiation Biology Department, National Centre for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority, P. O. Box; 29 Nasr City, Egypt
| | - Manal R Mohammed
- Radiation Biology Department, National Centre for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority, P. O. Box; 29 Nasr City, Egypt
| |
Collapse
|
9
|
Ivorra L, Cruzeiro C, Ramos A, Tagulao K, Cardoso PG. How can environmental conditions influence dicofol genotoxicity on the edible Asiatic clam, Meretrix meretrix? ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 293:118467. [PMID: 34748885 DOI: 10.1016/j.envpol.2021.118467] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 10/27/2021] [Accepted: 11/03/2021] [Indexed: 06/13/2023]
Abstract
Genotoxic effects of dicofol on the edible clam Meretrix meretrix were investigated through a mesocosm experiment. Individuals of M. meretrix, were exposed to environmental concentration (D1 = 50 ng/L) and supra-environmental concentration (D2 = 500 ng/L) of dicofol for 15 days, followed by the same depuration period. DNA damage (i.e., strand breaks and alkali-labile sites) was evaluated at day 1, 7 and 15, during uptake and depuration, using Comet assay (alkaline version) and nuclear abnormalities (NAs) as genotoxicity biomarkers. The protective effects of dicofol against DNA damage induced by ex vivo hydrogen peroxide (H2O2) exposure were also assessed. Comet assay results revealed no significant DNA damages under dicofol exposure, indicating 1) apparent lack of genotoxicity of dicofol to the tested conditions and/or 2) resistance of the animals due to optimal adaptation to stress conditions. Moreover, ex vivo H2O2 exposure showed an increase in the DNA damage in all the treatments without significant differences between them. However, considering only the DNA damage induced by H2O2 during uptake phase, D1 animals had significantly lower DNA damage than those from other treatments, revealing higher protection against a second stressor. NAs data showed a decrease in the % of cells with polymorphic, kidney shape, notched or lobbed nucleus, along the experiment. The combination of these results supports the idea that the clams used in the experiment were probably collected from a stressful environment (in this case Pearl River Delta region) which could have triggered some degree of adaptation to those environmental conditions, explaining the lack of DNA damages and highlighting the importance of organisms' origin and the conditions that they were exposed during their lives.
Collapse
Affiliation(s)
- Lucia Ivorra
- Institute of Science and Environment, ISE-University of Saint Joseph, Macao
| | - Catarina Cruzeiro
- Helmholtz Zentrum München, German Research Centre for Environmental Health, GmbH, Research Unit Comparative Microbiome Analysis, Ingolstaedter Landstrasse 1, 85764, Neuherberg, Germany; Department of Life Sciences, CFE-Centre for Functional Ecology, University of Coimbra, Coimbra, Portugal
| | - Alice Ramos
- Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto (U.Porto), Porto, Portugal; CIIMAR-Interdisciplinary Centre for Marine and Environmental Research, University of Porto, Matosinhos, Portugal
| | - Karen Tagulao
- Institute of Science and Environment, ISE-University of Saint Joseph, Macao
| | - Patricia G Cardoso
- CIIMAR-Interdisciplinary Centre for Marine and Environmental Research, University of Porto, Matosinhos, Portugal.
| |
Collapse
|
10
|
Zhang H, Wan LQ. Cell Chirality as a Novel Measure for Cytotoxicity. Adv Biol (Weinh) 2022; 6:e2101088. [PMID: 34796704 PMCID: PMC9008805 DOI: 10.1002/adbi.202101088] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 09/28/2021] [Indexed: 12/25/2022]
Abstract
Cytotoxicity assessment has great importance in both research and pharmaceutical development. The mainstream in vitro cytotoxicity assays are mostly biochemical assays that evaluate a specific cellular activity such as proliferation and apoptosis. Few assays assess toxicity by characterizing overall functional outcomes in cellular physiology such as multicellular morphogenesis. The intrinsic cellular chiral bias (also known as cell chirality, left-right asymmetry, or handedness), which determines cellular polarization along the left-right axis, is demonstrated to play important roles in development and disease. This chiral property of cells gives insights not only into functions of individual cells, such as motility and polarity but also into emerging behaviors of cell clusters, such as collective cell migration. Therefore, cell chirality characterization can be potentially used as a biomarker for assessing the overall effects of pharmaceutical drugs and environmental factors on the health of the cell. In this review article, the current in vitro techniques for cell chirality characterization and their applications are discussed and the advantages and limitations of these cell chirality assays as potential tools for detecting cytotoxicity are discussed.
Collapse
Affiliation(s)
- Haokang Zhang
- Department of Biomedical Engineering, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA
- Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA
| | - Leo Q Wan
- Department of Biomedical Engineering, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA
- Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA
- Department of Biological Sciences, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA
- Center for Modeling, Simulation, and Imaging in Medicine, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA
| |
Collapse
|
11
|
Węgierek-Ciuk A, Lankoff A, Lisowska H, Kędzierawski P, Akuwudike P, Lundholm L, Wojcik A. Cisplatin Reduces the Frequencies of Radiotherapy-Induced Micronuclei in Peripheral Blood Lymphocytes of Patients with Gynaecological Cancer: Possible Implications for the Risk of Second Malignant Neoplasms. Cells 2021; 10:2709. [PMID: 34685687 PMCID: PMC8534481 DOI: 10.3390/cells10102709] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Revised: 10/06/2021] [Accepted: 10/06/2021] [Indexed: 01/22/2023] Open
Abstract
Gynaecologic cancers are common among women and treatment includes surgery, radiotherapy or chemotherapy, where the last two methods induce DNA damage in non-targeted cells like peripheral blood lymphocytes (PBL). Damaged normal cells can transform leading to second malignant neoplasms (SMN) but the level of risk and impact of risk modifiers is not well defined. We investigated how radiotherapy alone or in combination with chemotherapy induce DNA damage in PBL of cervix and endometrial cancer patients during therapy. Blood samples were collected from nine endometrial cancer patients (treatment with radiotherapy + chemotherapy-RC) and nine cervical cancer patients (treatment with radiotherapy alone-R) before radiotherapy, 3 weeks after onset of radiotherapy and at the end of radiotherapy. Half of each blood sample was irradiated ex vivo with 2 Gy of gamma radiation in order to check how therapy influenced the sensitivity of PBL to radiation. Analysed endpoints were micronucleus (MN) frequencies, apoptosis frequencies and cell proliferation index. The results were characterised by strong individual variation, especially the MN frequencies and proliferation index. On average, despite higher total dose and larger fields, therapy alone induced the same level of MN in PBL of RC patients as compared to R. This result was accompanied by a higher level of apoptosis and stronger inhibition of cell proliferation in RC patients. The ex vivo dose induced fewer MN, more apoptosis and more strongly inhibited proliferation of PBL of RC as compared to R patients. These results are interpreted as evidence for a sensitizing effect of chemotherapy on radiation cytotoxicity. The possible implications for the risk of second malignant neoplasms are discussed.
Collapse
Affiliation(s)
- Aneta Węgierek-Ciuk
- Department of Medical Biology, Institute of Biology, Jan Kochanowski University, Uniwersytecka 7, 25-406 Kielce, Poland; (A.L.); (H.L.); (A.W.)
| | - Anna Lankoff
- Department of Medical Biology, Institute of Biology, Jan Kochanowski University, Uniwersytecka 7, 25-406 Kielce, Poland; (A.L.); (H.L.); (A.W.)
- Centre for Radiobiology and Biological Dosimetry, Institute of Nuclear Chemistry and Technology, Dorodna 16, 03-195 Warsaw, Poland
| | - Halina Lisowska
- Department of Medical Biology, Institute of Biology, Jan Kochanowski University, Uniwersytecka 7, 25-406 Kielce, Poland; (A.L.); (H.L.); (A.W.)
| | - Piotr Kędzierawski
- Department of Radiotherapy, Holy Cross Cancer Center, Artwinskiego 3, 25-734 Kielce, Poland;
| | - Pamela Akuwudike
- Centre for Radiation Protection Research, Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, 10691 Stockholm, Sweden; (P.A.); (L.L.)
| | - Lovisa Lundholm
- Centre for Radiation Protection Research, Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, 10691 Stockholm, Sweden; (P.A.); (L.L.)
| | - Andrzej Wojcik
- Department of Medical Biology, Institute of Biology, Jan Kochanowski University, Uniwersytecka 7, 25-406 Kielce, Poland; (A.L.); (H.L.); (A.W.)
- Centre for Radiation Protection Research, Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, 10691 Stockholm, Sweden; (P.A.); (L.L.)
| |
Collapse
|
12
|
Jaunay EL, Dhillon VS, Semple SJ, Simpson BS, Ghetia M, Deo P, Fenech M. Genotoxicity of advanced glycation end products in vitro is influenced by their preparation temperature, purification, and cell exposure time. Mutagenesis 2021; 36:445-455. [PMID: 34612487 DOI: 10.1093/mutage/geab037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Accepted: 10/01/2021] [Indexed: 11/12/2022] Open
Abstract
Advanced glycation end products (AGEs) are formed via non-enzymatic reactions between amino groups of proteins and the carbonyl groups of reducing sugars. Previous studies have shown that highly glycated albumin prepared using a glucose-bovine serum albumin (Glu-BSA) model system incubated at 60°C for 6 weeks induces genotoxicity in WIL2-NS cells at 9 days of exposure measured by the cytokinesis-block micronucleus cytome (CBMNcyt) assay. However, this AGE model system is not physiologically relevant as normal body temperature is 37°C and the degree of glycation may exceed the extent of albumin modification in vivo. We hypothesised that the incubation temperature and purification method used in these studies may cause changes to the chemical profile of the glycated albumin and may influence the extent of genotoxicity observed at 3, 6 and 9 days of exposure. We prepared AGEs generated using Glu-BSA model systems incubated at 60°C or 37°C purified using trichloroacetic acid (TCA) precipitation or ultrafiltration (UF) and compared their chemical profile (glycation, oxidation, and aggregation) and genotoxicity in WIL2-NS cells using the CBMNcyt assay after 3, 6, and 9 days of exposure. The number of micronuclei (MNi) was significantly higher for cells treated with Glu-BSA incubated at 60°C and purified via TCA (12 ± 1 MNi/1000 binucleated cells) compared to Glu-BSA incubated at 37°C and purified using UF (6 ± 1 MNi/1000 binucleated cells) after 9 days (p < 0.0001). The increase in genotoxicity observed could be explained by a higher level of protein glycation, oxidation, and aggregation of the Glu-BSA model system incubated at 60°C relative to 37°C. This study highlighted that the incubation temperature, purification method and cell exposure time are important variables to consider when generating AGEs in vitro and will enable future studies to better reflect in vivo situations of albumin glycation.
Collapse
Affiliation(s)
- Emma L Jaunay
- University of South Australia, Clinical and Health Sciences, Health and Biomedical Innovation, GPO Box 2471, Adelaide SA, 5001, Australia.,University of South Australia, Clinical and Health Sciences, Quality Use of Medicines and Pharmacy Research Centre, GPO Box 2471, Adelaide SA, 5001, Australia
| | - Varinderpal S Dhillon
- University of South Australia, Clinical and Health Sciences, Health and Biomedical Innovation, GPO Box 2471, Adelaide SA, 5001, Australia
| | - Susan J Semple
- University of South Australia, Clinical and Health Sciences, Quality Use of Medicines and Pharmacy Research Centre, GPO Box 2471, Adelaide SA, 5001, Australia
| | - Bradley S Simpson
- University of South Australia, Clinical and Health Sciences, Health and Biomedical Innovation, GPO Box 2471, Adelaide SA, 5001, Australia
| | - Maulik Ghetia
- University of South Australia, Clinical and Health Sciences, Health and Biomedical Innovation, GPO Box 2471, Adelaide SA, 5001, Australia
| | - Permal Deo
- University of South Australia, Clinical and Health Sciences, Health and Biomedical Innovation, GPO Box 2471, Adelaide SA, 5001, Australia
| | - Michael Fenech
- University of South Australia, Clinical and Health Sciences, Health and Biomedical Innovation, GPO Box 2471, Adelaide SA, 5001, Australia.,Faculty of Health Sciences, University Kebangsaan Malaysia, Malaysia
| |
Collapse
|
13
|
Jaunay EL, Dhillon VS, Semple SJ, Simpson BS, Deo P, Fenech M. Can a digital slide scanner and viewing technique assist the visual scoring for the cytokinesis-block micronucleus cytome assay? Mutagenesis 2021; 35:311-318. [PMID: 32383458 DOI: 10.1093/mutage/geaa013] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Accepted: 04/23/2020] [Indexed: 01/30/2023] Open
Abstract
The cytokinesis-block micronucleus cytome (CBMNcyt) assay is a comprehensive method to measure DNA damage, cytostasis and cytotoxicity caused by nutritional, radiation and chemical factors. A slide imaging technique has been identified as a new method to assist with the visual scoring of cells for the CBMNcyt assay. A NanoZoomer S60 Digital Pathology slide scanner was used to view WIL2-NS cells treated with hydrogen peroxide (H2O2) and measure CBMNcyt assay biomarkers using a high-definition desktop computer screen. The H2O2-treated WIL2-NS cells were also scored visually using a standard light microscope, and the two visual scoring methods were compared. Good agreement was found between the scoring methods for all DNA damage indices (micronuclei, nucleoplasmic bridges and nuclear buds) and nuclear division index with correlation R values ranging from 0.438 to 0.789, P < 0.05. Apoptotic and necrotic cell frequency was lower for the NanoZoomer scoring method, but necrotic frequency correlated well with the direct visual microscope method (R = 0.703, P < 0.0001). Considerable advantages of the NanoZoomer scoring method compared to direct visual microscopy includes reduced scoring time, improved ergonomics and a reduction in scorer fatigue. This study indicates that a digital slide scanning and viewing technique may assist with visual scoring for the CBMNcyt assay and provides similar results to conventional direct visual scoring.
Collapse
Affiliation(s)
- Emma L Jaunay
- Health and Biomedical Innovation, University of South Australia, Adelaide SA, Australia
| | - Varinderpal S Dhillon
- Health and Biomedical Innovation, University of South Australia, Adelaide SA, Australia
| | - Susan J Semple
- Quality Use of Medicines and Pharmacy Research Centre, UniSA Clinical and Health Sciences, University of South Australia, Adelaide SA, Australia
| | - Bradley S Simpson
- Health and Biomedical Innovation, University of South Australia, Adelaide SA, Australia
| | - Permal Deo
- Health and Biomedical Innovation, University of South Australia, Adelaide SA, Australia
| | - Michael Fenech
- Health and Biomedical Innovation, University of South Australia, Adelaide SA, Australia.,Genome Health Foundation, North Brighton, Australia
| |
Collapse
|
14
|
Nagy K, Argaw Tessema R, Szász I, Smeirat T, Al Rajo A, Ádám B. Micronucleus Formation Induced by Glyphosate and Glyphosate-Based Herbicides in Human Peripheral White Blood Cells. Front Public Health 2021; 9:639143. [PMID: 34109144 PMCID: PMC8180907 DOI: 10.3389/fpubh.2021.639143] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Accepted: 04/23/2021] [Indexed: 11/28/2022] Open
Abstract
Glyphosate is the most commonly used herbicide around the world, which led to its accumulation in the environment and consequent ubiquitous human exposure. Glyphosate is marketed in numerous glyphosate-based herbicide formulations (GBHs) that include co-formulants to enhance herbicidal effect of the active ingredient, but are declared as inert substances. However, these other ingredients can have biologic activity on their own and may interact with the glyphosate in synergistic toxicity. In this study, we focused to compare the cytogenetic effect of the active ingredient glyphosate and three marketed GBHs (Roundup Mega, Fozat 480, and Glyfos) by investigating cytotoxicity with fluorescent co-labeling and WST-1 cell viability assay as well as genotoxicity with cytokinesis block micronucleus assay in isolated human mononuclear white blood cells. Glyphosate had no notable cytotoxic activity over the tested concentration range (0-10,000 μM), whereas all the selected GBHs induced significant cell death from 1,000 μM regardless of metabolic activation (S9). Micronucleus (MN) formation induced by glyphosate and its formulations at sub-cytotoxic concentrations (0-100 μM) exhibited a diverse pattern. Glyphosate caused statistically significant increase of MN frequency at the highest concentration (100 μM) after 20-h exposure. Contrarily, Roundup Mega exerted a significant genotoxic effect at 100 μM both after 4- and 20-h exposures; moreover, Glyfos and Fozat 480 also resulted in a statistically significant increase of MN frequency from the concentration of 10 μM after 4-h and 20-h treatment, respectively. The presence of S9 had no effect on MN formation induced by either glyphosate or GBHs. The differences observed in the cytotoxic and genotoxic pattern between the active principle and formulations confirm the previous concept that the presence of co-formulants in the formulations or the interaction of them with the active ingredient is responsible for the increased toxicity of herbicide products, and draw attention to the fact that GBHs are still currently in use, the toxicity of which rivals that of POEA-containing formulations (e.g., Glyfos) already banned in Europe. Hence, it is advisable to subject them to further comprehensive toxicological screening to assess the true health risks of exposed individuals, and to reconsider their free availability to any users.
Collapse
Affiliation(s)
- Károly Nagy
- Department of Public Health and Epidemiology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Roba Argaw Tessema
- Department of Public Health and Epidemiology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
- Doctoral School of Health Sciences, University of Debrecen, Debrecen, Hungary
| | - István Szász
- Department of Public Health and Epidemiology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
- Doctoral School of Health Sciences, University of Debrecen, Debrecen, Hungary
| | - Tamara Smeirat
- Department of Public Health and Epidemiology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Alaa Al Rajo
- Department of Public Health and Epidemiology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Balázs Ádám
- Department of Public Health and Epidemiology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
- College of Medicine and Health Sciences, Institute of Public Health, United Arab Emirates University, Al Ain, United Arab Emirates
| |
Collapse
|
15
|
Liu G, Song Y, Li C, Liu R, Chen Y, Yu L, Huang Q, Zhu D, Lu C, Yu X, Xiao C, Liu Y. Arsenic compounds: The wide application and mechanisms applied in acute promyelocytic leukemia and carcinogenic toxicology. Eur J Med Chem 2021; 221:113519. [PMID: 33984805 DOI: 10.1016/j.ejmech.2021.113519] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 04/08/2021] [Accepted: 04/27/2021] [Indexed: 12/12/2022]
Abstract
Arsenic (As), as well as its various compounds have been widely used for nearly 4000 years either as drugs or poisons. These compounds are valuable in the treatment of various diseases ranging from dermatosis to cancer, thereby emphasizing their important roles as therapeutic agents. The ability of As compounds, especially arsenic trioxide (ATO) in the treatment of acute promyelocytic leukemia (APL), has fundamentally altered people's understanding of the poison, and has become a major factor in the re-emergence of Western medicine candidates to treat leukemia and other solid tumors. However, long-term exposure to As has been correlated with numerous disadvantageous influences on health, particularly carcinogenesis. Importantly, accumulating evidence suggests that biotransformation of As, as a step to eliminate As from the human body, can induce alterations at the genetic and epigenetic levels, resulting in therapeutic effects or carcinogenesis. In this article, we aimed to provide a systematic overview of the primary contributions associated with As and its compounds, as well as the detailed mechanisms applied in APL cells and carcinogenic toxicology. This review may help to understand the underlying mechanisms and safe wide clinical applications of medicinal As along with its compounds.
Collapse
Affiliation(s)
- Guangzhi Liu
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Yurong Song
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Chenxi Li
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Rui Liu
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Youwen Chen
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Liuchunyang Yu
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Qingcai Huang
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Dongjie Zhu
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Cheng Lu
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Xue Yu
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Cheng Xiao
- Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing, China
| | - Yuanyan Liu
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 100029, China.
| |
Collapse
|
16
|
Jenkinson P. Critical review of the publications on the genotoxicology of aluminium salts: 1990-2018. Mutagenesis 2021; 36:109-127. [PMID: 33609359 DOI: 10.1093/mutage/geab008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Accepted: 02/16/2021] [Indexed: 12/15/2022] Open
Abstract
Since the mid-1970s, there have been many reports that purport to implicate aluminium in the aetiology of neurodegenerative disease. After several decades of research, the role of aluminium in such disease remains controversial and is not the subject of this review. However, if aluminium is implicated in such disease then it follows that there must be a toxicological mechanism or mode of action, and many researchers have investigated various potential mechanisms including the involvement of oxidative damage, cytotoxicity and genotoxicity. This paper reviews many of the publications of studies using various salts of aluminium and various genotoxicity end points, both in vitro and in vivo, with a focus on oxidative damage. The conclusion of this review is that the majority, if not all, of the publications that report positive results have serious technical flaws and/or implausible findings and consequently should contribute little or no weight to a weight of evidence (WoE) argument. There are many high-quality, Good Laboratory Practice (GLP)-compliant genotoxicity studies, that follow relevant OECD test guidelines and the European Chemicals Agency (ECHA) integrated mutagenicity testing strategy, on several salts of aluminium; all demonstrate clear negative results for both in vitro and in vivo genotoxicity. In addition, the claim for an oxidative mode of action for aluminium can be shown to be spurious. This review concludes that there are no reliable studies that demonstrate a potential for genotoxicity, or oxidative mode of action, for aluminium.
Collapse
|
17
|
Radiation, a two-edged sword: From untoward effects to fractionated radiotherapy. Radiat Phys Chem Oxf Engl 1993 2021. [DOI: 10.1016/j.radphyschem.2020.108994] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
|
18
|
Gameiro PH, Assis KH, Hasenack H, Arenzon A, Dias Silva KU, Torres de Lemos C, Ferrão Vargas VM. Evaluation of effect of hazardous contaminants in areas for the abstraction of drinking water. ENVIRONMENTAL RESEARCH 2020; 188:109862. [PMID: 32846646 DOI: 10.1016/j.envres.2020.109862] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 06/16/2020] [Accepted: 06/19/2020] [Indexed: 06/11/2023]
Abstract
The lower portion of Taquari River is influenced by compounds from anthropic activities causing concern about the drinking water supplied to cities in the region. The study objective was to investigate the presence of contaminants at drinking water abstraction sites, defining the mutagenic effects of these stressors as an ecosystem quality parameter and its possible effects on human health. Geographic Information System techniques were used to investigate sources of contamination and it was found that agricultural activities predominated with a few medium and high potential pollutant agricultural activities, besides a soil area that was contaminated and undergoing an intervention process. Mutagenic effects were evaluated by Salmonella/microsome assay using TA98, TA97a, TA100, YG1041 and YG1042 strains in the presence and absence of metabolic activation (S9). Mutagenesis found in organic sediment extracts and surface water samples showed the prevalence of direct-acting mutagens at the drinking water abstraction sites. Taquari (Ta032, the sampling points were named according to the initial letters of the river (Ta), followed by the number of kilometers from the mouth) showed the highest mutagenic potency in sediment, while Ta063, at Bom Retiro do Sul, presented it in the water sample. In the Triunfo region (Ta011) there were significant responses in sediment and in water samples. The samples at General Câmara (Ta006) showed the least presence of contaminants. The Allium cepa test applied to sediments in natura showed significant micronucleus induction in Ta032 in accordance with the Salmonella/microssome assay. The test performed on Danio rerio embryos (FET) in the in natura water samples did not present significant responses. Chemical analyses of polycyclic aromatic hydrocarbons and metals already identified as chemical markers in the area indicated a small contribution to the mutagenic potency, calling attention to the fact that other direct-acting pollutants may be present at the drinking water abstraction sites.
Collapse
Affiliation(s)
- Paula Hauber Gameiro
- Programa de Pós-graduação Em Ecologia, Universidade Federal Do Rio Grande Do Sul (UFRGS), Av. Bento Gonçalves, 9500, 91501-970, Cx Postal 15007, Porto Alegre, RS, Brazil
| | - Kauê Hohn Assis
- Divisão de Laboratórios, Fundação Estadual de Proteção Ambiental Henrique Luís Roessler (FEPAM), Rua Aurélio Porto, 37, 90620-090, Porto Alegre, RS, Brazil
| | - Heinrich Hasenack
- Centro de Ecologia (UFRGS), Av. Bento Gonçalves, 9500. Setor 4, Prédio 43411, 91.501-970, Campus Do Vale, Porto Alegre, RS, Brazil
| | - Alexandre Arenzon
- Centro de Ecologia (UFRGS), Av. Bento Gonçalves, 9500. Setor 4, Prédio 43411, 91.501-970, Campus Do Vale, Porto Alegre, RS, Brazil
| | - Kewen Ubirajara Dias Silva
- Divisão de Laboratórios, Fundação Estadual de Proteção Ambiental Henrique Luís Roessler (FEPAM), Rua Aurélio Porto, 37, 90620-090, Porto Alegre, RS, Brazil
| | - Clarice Torres de Lemos
- Divisão de Laboratórios, Fundação Estadual de Proteção Ambiental Henrique Luís Roessler (FEPAM), Rua Aurélio Porto, 37, 90620-090, Porto Alegre, RS, Brazil
| | - Vera Maria Ferrão Vargas
- Divisão de Laboratórios, Fundação Estadual de Proteção Ambiental Henrique Luís Roessler (FEPAM), Rua Aurélio Porto, 37, 90620-090, Porto Alegre, RS, Brazil; Centro de Ecologia (UFRGS), Av. Bento Gonçalves, 9500. Setor 4, Prédio 43411, 91.501-970, Campus Do Vale, Porto Alegre, RS, Brazil.
| |
Collapse
|
19
|
Ruiz-Ruiz B, Arellano-García ME, Radilla-Chávez P, Salas-Vargas DS, Toledano-Magaña Y, Casillas-Figueroa F, Luna Vazquez-Gomez R, Pestryakov A, García-Ramos JC, Bogdanchikova N. Cytokinesis-Block Micronucleus Assay Using Human Lymphocytes as a Sensitive Tool for Cytotoxicity/Genotoxicity Evaluation of AgNPs. ACS OMEGA 2020; 5:12005-12015. [PMID: 32548379 PMCID: PMC7271025 DOI: 10.1021/acsomega.0c00149] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Accepted: 05/06/2020] [Indexed: 06/11/2023]
Abstract
Silver nanoparticles (AgNPs) are the most used nanomaterials worldwide due to their excellent antibacterial, antiviral, and antitumor activities, among others. However, there is scarce information regarding their genotoxic potential measured using human peripheral blood lymphocytes. In this work, we present the cytotoxic and genotoxic behavior of two commercially available poly(vinylpyrrolidone)-coated silver nanoparticle (PVP-AgNPs) formulations that can be identified as noncytotoxic and nongenotoxic by just evaluating micronuclei (MNi) induction and the mitotic index, but present enormous differences when other parameters such as cytostasis, apoptosis, necrosis, and nuclear damage (nuclear buds (NBUDs) and nucleoplasmic bridges (NPBs)) are analyzed. The results show that Argovit (35 nm PVP-AgNPs) and nanoComposix (50 nm PVP-AgNPs), at concentrations from 0.012 to 12 μg/mL, produce no changes in the nuclear division index (NDI) or micronuclei (MNi) frequency compared with the values found on control cultures of human blood peripheral lymphocytes from a healthy donor. Still, 50 nm PVP-AgNPs significantly decrease the replication index and significantly increase cytostasis, apoptosis, necrosis, and the frequencies of nuclear buds (NBUDs) and nucleoplasmic bridges (NPBs). These results provide evidence that the cytokinesis-block micronucleus (CBMN) assay using human lymphocytes and evaluating the eight parameters provided by the technique is a sensitive, fast, accurate, and inexpensive detection tool to support or discard AgNPs or other nanomaterials, which is worthwhile for continued testing of their effectiveness and toxicity for biomedical applications. In addition, it provides very important information about the role played by the [coating agent]/[metal] ratio in the design of nanomaterials that could reduce adverse effects as much as possible while retaining their therapeutic capabilities.
Collapse
Affiliation(s)
- Balam Ruiz-Ruiz
- Laboratorio
de Genotoxicología Ambiental, Facultad de Ciencias, Universidad Autónoma de Baja California, C.P. 22860 Ensenada, Baja California, México
| | - María Evarista Arellano-García
- Laboratorio
de Genotoxicología Ambiental, Facultad de Ciencias, Universidad Autónoma de Baja California, C.P. 22860 Ensenada, Baja California, México
| | - Patricia Radilla-Chávez
- Escuela
de Ciencias de la Salud, Universidad Autónoma
de Baja California, C.P.
22890 Ensenada, Baja California, México
| | - David Sergio Salas-Vargas
- Escuela
de Ciencias de la Salud, Universidad Autónoma
de Baja California, C.P.
22890 Ensenada, Baja California, México
| | - Yanis Toledano-Magaña
- Escuela
de Ciencias de la Salud, Universidad Autónoma
de Baja California, C.P.
22890 Ensenada, Baja California, México
| | - Francisco Casillas-Figueroa
- Escuela
de Ciencias de la Salud, Universidad Autónoma
de Baja California, C.P.
22890 Ensenada, Baja California, México
| | - Roberto Luna Vazquez-Gomez
- Escuela
de Ciencias de la Salud, Universidad Autónoma
de Baja California, C.P.
22890 Ensenada, Baja California, México
| | - Alexey Pestryakov
- Department
of Technology of Organic Substances and Polymer Materials, Tomsk Polytechnic University, 634050 Tomsk, Russia
| | - Juan Carlos García-Ramos
- Escuela
de Ciencias de la Salud, Universidad Autónoma
de Baja California, C.P.
22890 Ensenada, Baja California, México
| | - Nina Bogdanchikova
- Centro
de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México, C.P. 22879 Ensenada, Baja California, México
| |
Collapse
|
20
|
Zimmermann Prado Rodrigues G, Staudt LBM, Moreira MG, Dos Santos TG, de Souza MS, Lúcio CJ, Panizzon J, Kayser JM, Simões LAR, Ziulkoski AL, Bonan CD, de Oliveira DL, Gehlen G. Histopathological, genotoxic, and behavioral damages induced by manganese (II) in adult zebrafish. CHEMOSPHERE 2020; 244:125550. [PMID: 32050344 DOI: 10.1016/j.chemosphere.2019.125550] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 12/02/2019] [Accepted: 12/03/2019] [Indexed: 06/10/2023]
Abstract
Manganese is a metal often found as an environmental pollutant and very associated with neurological disorders when in high concentrations. However, little is known about the effects that this contaminant can cause when in environmentally relevant concentrations and occurrence, that is, much lower than those commonly studied. So, the aim of the study was to evaluate the effects that environmentally relevant concentrations of this metal would cause in different zebrafish organs (brain, liver, and blood). Acute 96-h and chronic 30-day exposures were performed using the manganese chloride salt as a pollutant. Behavioral alterations of anxiogenic type were observed in the animals after chronic exposures to 4.0 mg L-1 MnCl2, which traveled a greater distance at the bottom of the aquarium. This may be associated with neuronal damages in the telencephalic region responsible for motor and cognitive activity of the fish, observed in animals from the same exposure. In addition, hepatic histopathological damage as vacuolization of hepatocytes and genotoxic damage, identified by comet assay and micronucleus test, was also observed after acute and chronic exposure, especially at the highest pollutant concentrations (8.0 and 16.0 mg L-1 in acute exposure, and 4.0 mg L-1 in chronic exposure. The study reinforces the risk that environmental pollutants pose to the ecosystem, even in low concentrations.
Collapse
Affiliation(s)
| | | | | | - Thainá Garbino Dos Santos
- Post Graduation Program in Biological Sciences, Biochemistry, Federal University of Rio Grande do Sul, Brazil
| | | | | | - Jenifer Panizzon
- Bacherol's Degree in Biological Science, Feevale University, Brazil
| | | | | | - Ana Luiza Ziulkoski
- Post Graduation Program in Environmental Quality, Feevale University, Brazil
| | - Carla Denise Bonan
- Post Graduation Program in Cellular and Molecular Biology, Pontifical Catholic University of Rio Grande do Sul, Brazil
| | - Diogo Losch de Oliveira
- Post Graduation Program in Biological Sciences, Biochemistry, Federal University of Rio Grande do Sul, Brazil
| | - Günther Gehlen
- Post Graduation Program in Environmental Quality, Feevale University, Brazil.
| |
Collapse
|
21
|
Sirt3 Exerts Its Tumor-Suppressive Role by Increasing p53 and Attenuating Response to Estrogen in MCF-7 Cells. Antioxidants (Basel) 2020; 9:antiox9040294. [PMID: 32244715 PMCID: PMC7222218 DOI: 10.3390/antiox9040294] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 03/21/2020] [Accepted: 03/30/2020] [Indexed: 02/07/2023] Open
Abstract
Estrogen (E2) is a major risk factor for the initiation and progression of malignancy in estrogen receptor (ER) positive breast cancers, whereas sirtuin 3 (Sirt3), a major mitochondrial NAD+-dependent deacetylase, has the inhibitory effect on the tumorigenic properties of ER positive MCF-7 breast cancer cells. Since it is unclear if this effect is mediated through the estrogen receptor alpha (ERα) signaling pathway, in this study, we aimed to determine if the tumor-suppressive function of Sirt3 in MCF-7 cells interferes with their response to E2. Although we found that Sirt3 improves the antioxidative response and mitochondrial fitness of the MCF-7 cells, it also increases DNA damage along with p53, AIF, and ERα expression. Moreover, Sirt3 desensitizes cells to the proliferative effect of E2, affects p53 by disruption of the ERα–p53 interaction, and decreases proliferation, colony formation, and migration of the cells. Our observations indicate that these tumor-suppressive effects of Sirt3 could be reversed by E2 treatment only to a limited extent which is not sufficient to recover the tumorigenic properties of the MCF-7 cells. This study provides new and interesting insights with respect to the functional role of Sirt3 in the E2-dependent breast cancers.
Collapse
|
22
|
Varona-Uribe M, Ibáñez-Pinilla M, Briceno-Ayala L, Herrera D, Chuaire-Noack L, Martínez-Agüero M, Sánchez Corredor MC, Palma-Parra R, Narvaez D, Groot de Restrepo H. Biomarkers of susceptibility and effect in car painters exposed to organic solvents. Colomb Med (Cali) 2020; 51:e3646. [PMID: 32952228 PMCID: PMC7467118 DOI: 10.25100/cm.v51i1.3646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Introduction Car painters are routinely exposed to organic solvents classified as carcinogenic and mutagenic substances. Objective To characterize the population susceptibility and evaluate the genotoxic effects of exposure to organic solvents. Methods A cross-sectional study comparing a group of car painters exposed to organic solvents with a non-exposed group. CYP2E1 polymorphisms and the presence of micronuclei in lymphocytes were determined. Results One hundred twenty-two workers participated in the study: 62 who worked in car paint shops and were exposed to solvents, and 60 who were not exposed. There were statistically significant differences between the two groups regarding micronucleated cells and nucleoplasmic bridges frequencies (p= 0.042 and p= 0.046, respectively; exact likelihood ratio). Significant differences were found at the interaction between the CYP2E1 genotype c1c1 and occupational exposure to solvents, with higher frequencies of micronuclei (p= 0.013) and micronucleated cells (p= 0.015). However, when the frequencies of micronuclei, micronucleated cells and nucleoplasmic bridges in the exposure group were compared between the c1c1 and c2c2/c1c2 allele groups of the CYP2E1 polymorphism, statistically significant differences were found. Conclusions This study confirms that when workers with CYP2E1 polymorphisms, specifically the c1c1 genotype, are exposed to organic solvents, they are more likely to have somatic cell mutations, a condition associated with increased susceptibility to diseases such as cancer.
Collapse
Affiliation(s)
- Marcela Varona-Uribe
- Universidad del Rosario, Escuela de Medicina y Ciencias de la Salud, Bogotá, Colombia
| | | | | | - Diego Herrera
- Universidad del Rosario, Escuela de Medicina y Ciencias de la Salud, Bogotá, Colombia
| | - Lilian Chuaire-Noack
- Universidad del Valle, Facultad de Salud, Escuela de Ciencias Básicas, Cali, Colombia
| | - María Martínez-Agüero
- Universidad del Rosario, Facultad de Ciencias Naturales y Matemáticas, Bogotá, Colombia
| | | | | | - Diana Narvaez
- Universidad de los Andes, Laboratorio de Genética Humana, Bogotá, Colombia
| | | |
Collapse
|
23
|
Kaur R, Kaur J, Kaur M, Kalotra V, Chadha P, Kaur A, Kaur A. An endophytic Penicillium oxalicum isolated from Citrus limon possesses antioxidant and genoprotective potential. J Appl Microbiol 2020; 128:1400-1413. [PMID: 31841255 DOI: 10.1111/jam.14553] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Revised: 08/20/2019] [Accepted: 12/12/2019] [Indexed: 01/29/2023]
Abstract
AIMS This study aimed at isolating endophytic fungi from Citrus limon (L.) possessing antioxidative and genoprotective potential. METHODS AND RESULTS Endophytic fungi were screened for antioxidant activity using 2,2-diphenyl,1-picryl hydrazyl radical scavenging assay and maximum activity (79·70%) was exhibited by culture MP1 identified to be Penicillium oxalicum on the basis of morphological and molecular characteristics. The ethyl acetate extract of MP1 was subjected to silica column chromatography followed by LH 20 column chromatography for purification of active metabolites. The partially purified active fraction of P. oxalicum MP1 possessed good antioxidant activity as detected using various assays. It also exhibited a strong DNA damage protection potential on pUC19 plasmid DNA treated with Fenton reagent. On exposure to active fraction of MP1 significant reduction (P < 0·05) in nuclear deformities (like nuclear buds, micronuclei, nuclear ridges and binucleated cells) was observed in human lymphocytes pretreated with a toxic concentration of H2 O2 . In vivo genoprotectivity studies were conducted in fresh water fish Channa punctatus pretreated with a damaging compound 4-nonyl phenol. The active fraction of P. oxalicum MP1 caused a reduction of 94·7 and 66·60% in micronuclei and aberrant cell formation, respectively. A significant reduction (P < 0·05) in tail length and tail DNA parameters was also observed in comet assay. CONCLUSION The endophytic P. oxalicum isolated in this study has the potential to produce metabolites possessing antioxidant and genoprotective activities. SIGNIFICANCE AND IMPACT OF THE STUDY The isolated culture can be exploited in the field of therapeutics by virtue of its in vitro and in vivo genoprotective potential.
Collapse
Affiliation(s)
- R Kaur
- Department of Microbiology, Guru Nanak Dev University, Amritsar, Punjab, India
| | - J Kaur
- Department of Microbiology, Guru Nanak Dev University, Amritsar, Punjab, India
| | - M Kaur
- Department of Zoology, Guru Nanak Dev University, Amritsar, Punjab, India
| | - V Kalotra
- Department of Human Genetics, Guru Nanak Dev University, Amritsar, Punjab, India
| | - P Chadha
- Department of Zoology, Guru Nanak Dev University, Amritsar, Punjab, India
| | - A Kaur
- Department of Human Genetics, Guru Nanak Dev University, Amritsar, Punjab, India
| | - A Kaur
- Department of Microbiology, Guru Nanak Dev University, Amritsar, Punjab, India
| |
Collapse
|
24
|
Liu X, Gao Y, Chandrawati R, Hosta-Rigau L. Therapeutic applications of multifunctional nanozymes. NANOSCALE 2019; 11:21046-21060. [PMID: 31686088 DOI: 10.1039/c9nr06596b] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Nanozymes, which are functional nanomaterials with enzyme-like characteristics, have emerged as a highly-stable and low-cost alternative to natural enzymes. Apart from overcoming the limitations of natural enzymes (e.g., high cost, low stability or complex production), nanozymes are also equipped with the unique intrinsic properties of nanomaterials such as magnetism, luminescence or near infrared absorbance. Therefore, the development of nanozymes exhibiting additional functions to their catalytic activity has opened up new opportunities and applications within the biomedical field. To highlight the progress in the field, this review summarizes the novel applications of multifunctional nanozymes in various biomedical-related fields ranging from cancer diagnosis, cancer and antibacterial therapy to regenerative medicine. Future challenges and perspectives that may advance nanozyme research are also discussed at the end of the review.
Collapse
Affiliation(s)
- Xiaoli Liu
- Department of Health Technology, Centre for Nanomedicine and Theranostics, DTU Health Tech, Technical University of Denmark, 2800 Lyngby, Denmark.
| | - Yuan Gao
- School of Chemical Engineering and Australian Centre for Nanomedicine, The University of New South Wales (UNSW Sydney), Sydney, NSW 2052, Australia
| | - Rona Chandrawati
- School of Chemical Engineering and Australian Centre for Nanomedicine, The University of New South Wales (UNSW Sydney), Sydney, NSW 2052, Australia
| | - Leticia Hosta-Rigau
- Department of Health Technology, Centre for Nanomedicine and Theranostics, DTU Health Tech, Technical University of Denmark, 2800 Lyngby, Denmark.
| |
Collapse
|
25
|
Clergé A, Le Goff J, Lopez C, Ledauphin J, Delépée R. Oxy-PAHs: occurrence in the environment and potential genotoxic/mutagenic risk assessment for human health. Crit Rev Toxicol 2019; 49:302-328. [DOI: 10.1080/10408444.2019.1605333] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Adeline Clergé
- Normandie Univ, UNICAEN, UNIROUEN, ABTE, Caen Cedex, France
- Comprehensive Cancer Center François Baclesse, UNICANCER, Caen Cedex, France
| | | | - Claire Lopez
- Normandie Univ, UNICAEN, UNIROUEN, ABTE, Caen Cedex, France
| | | | - Raphaël Delépée
- Normandie Univ, UNICAEN, UNIROUEN, ABTE, Caen Cedex, France
- Comprehensive Cancer Center François Baclesse, UNICANCER, Caen Cedex, France
- Normandie Univ, UNICAEN, PRISMM core facility, SF4206 ICORE, CCC F. Baclesse, Caen, France
| |
Collapse
|
26
|
Nagy K, Zheng C, Bolognesi C, Ádám B. Interlaboratory evaluation of the genotoxic properties of pencycuron, a commonly used phenylurea fungicide. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 647:1052-1057. [PMID: 30180313 DOI: 10.1016/j.scitotenv.2018.08.067] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Revised: 08/02/2018] [Accepted: 08/04/2018] [Indexed: 06/08/2023]
Abstract
Pencycuron, a phenylurea-type antifungal agent, is used in agriculture worldwide for inhibiting the growth of various fungal pathogens of crops. Pencycuron residues were found in vegetables, soil and drinking water. Accordingly, both occupational and consumer exposure can be expected and may be significant. However, human toxicity studies on its genotoxic, mutagenic or carcinogenic potential are lacking. Therefore, a collaborative study was performed in two laboratories to investigate whether pencycuron exposure can induce DNA damage. The genotoxic effect of 0-100 μg/ml pencycuron in in vitro cultures of human mononuclear white blood cells (MWBCs) and human hepatocytes (HepG2) was detected by cytokinesis-block micronucleus assay and comet assay. The combined results of the two labs showed a dose-dependent DNA damage detected by micronucleus frequency, which reached statistical significance at 100 μg/ml concentration after 21-h exposure in HepG2 cells (p = 0.048). Significant genotoxic effect could also be observed in the comet assay from 50 μg/ml concentration in MWBCs, and at 100 μg/ml concentration in HepG2 cells in one lab. Nevertheless, this finding was not confirmed by the other lab in HepG2 cells, where Fpg-dependent oxidative DNA damage could also not be detected. The results indicate that pencycuron may have DNA-damaging potential as well as point out inter-laboratory variability that calls for further studies to confirm the genotoxicity of this fungicide.
Collapse
Affiliation(s)
- Károly Nagy
- Department of Preventive Medicine, Faculty of Public Health, University of Debrecen, Debrecen, Hungary.
| | - Congying Zheng
- Department of Preventive Medicine, Faculty of Public Health, University of Debrecen, Debrecen, Hungary
| | - Claudia Bolognesi
- Environmental Carcinogenesis Unit, Ospedale Policlinico San Martino IRCCS, Genoa, Italy
| | - Balázs Ádám
- Department of Preventive Medicine, Faculty of Public Health, University of Debrecen, Debrecen, Hungary
| |
Collapse
|
27
|
Pinedo C, Wright SAI, Collado IG, Goss RJM, Castoria R, Hrelia P, Maffei F, Durán-Patrón R. Isotopic Labeling Studies Reveal the Patulin Detoxification Pathway by the Biocontrol Yeast Rhodotorula kratochvilovae LS11. JOURNAL OF NATURAL PRODUCTS 2018; 81:2692-2699. [PMID: 30460844 DOI: 10.1021/acs.jnatprod.8b00539] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Patulin (1) is a mycotoxin contaminant in fruit and vegetable products worldwide. Biocontrol agents, such as the yeast Rhodotorula kratochvilovae strain LS11, can reduce patulin (1) contamination in food. R. kratochvilovae LS11 converts patulin (1) into desoxypatulinic acid (DPA) (5), which is less cytotoxic than the mycotoxin (1) to in vitro human lymphocytes. In the present study, we report our investigations into the pathway of degradation of patulin (1) to DPA (5) by R. kratochvilovae. Isotopic labeling experiments revealed that 5 derives from patulin (1) through the hydrolysis of the γ-lactone ring and subsequent enzymatic modifications. The ability of patulin (1) and DPA (5) to cause genetic damage was also investigated by the cytokinesis-block micronucleus cytome assay on in vitro human lymphocytes. Patulin (1) was demonstrated to cause much higher chromosomal damage than DPA (5).
Collapse
Affiliation(s)
- Cristina Pinedo
- Departamento de Química Orgánica, Facultad de Ciencias , Universidad de Cádiz , Campus Universitario Río San Pedro s/n, Torre sur, 4a planta, 11510 , Puerto Real , Cádiz , Spain
| | - Sandra A I Wright
- Section of Biology, Faculties of Health and Occupational Studies & Engineering and Sustainable Development , University of Gävle , 801 76 Gävle , Sweden
| | - Isidro G Collado
- Departamento de Química Orgánica, Facultad de Ciencias , Universidad de Cádiz , Campus Universitario Río San Pedro s/n, Torre sur, 4a planta, 11510 , Puerto Real , Cádiz , Spain
| | - Rebecca J M Goss
- School of Chemistry, Biomedical Sciences Research Complex , University of St Andrews , Fife , Scotland KY169ST , United Kingdom
| | - Raffaello Castoria
- Dipartimento Agricoltura, Ambiente, Alimenti , Università degli Studi del Molise , Via F. De Sanctis snc , 86100 Campobasso , Italy
| | - Patrizia Hrelia
- Dipartimento di Farmacia e Biotecnologie , Alma Mater Studiorum-Università di Bologna , Via Irnerio, 48 , 40126 Bologna , Italy
| | - Francesca Maffei
- Dipartimento di Scienze per la Qualità della Vita , Alma Mater Studiorum-Università di Bologna , Campus Rimini, Corso D'Augusto 237 , 47921 Rimini , Italy
| | - Rosa Durán-Patrón
- Departamento de Química Orgánica, Facultad de Ciencias , Universidad de Cádiz , Campus Universitario Río San Pedro s/n, Torre sur, 4a planta, 11510 , Puerto Real , Cádiz , Spain
| |
Collapse
|
28
|
Szeleszczuk O, Gleindek M, Grzesiakowska A, Kuchta-Gładysz M, Otwinowska-Mindur A. Evaluation of chromosomal instability in somatic cells of farmed foxes. Arch Anim Breed 2018; 61:405-412. [PMID: 32175447 PMCID: PMC7065389 DOI: 10.5194/aab-61-405-2018] [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: 06/21/2018] [Accepted: 09/28/2018] [Indexed: 11/11/2022] Open
Abstract
The micronucleus
(MN) test is a common tool used to evaluate cellular genetic instability at
the chromosomal level. It determines the effect of physical, chemical and
environmental factors on DNA, and thus the body's individual resistance to
harmful substances. The karyotypes of blue and silver foxes and their
interspecific hybrids are characterized by morphological and structural
variation. This variation is partly attributable to the presence of
chromosomal polymorphism, which may significantly influence the stability of
genetic material in the cells of these species. The objective of the study
was to evaluate genetic material stability in selected Canidae species. To
this end, analyses using the MN test were performed. Binucleated cells (BNCs)
were analysed in microscopic preparations, and the number of micronuclei was
determined within these cells. For the proportions of both MN and BNCs,
highly significant differences were observed between the fox species. The
interspecific hybrids differed from the other fox species in MN percentage.
The lowest average was noted in blue foxes (3.33) and the highest in
interspecific hybrids (15.21).
Collapse
Affiliation(s)
- Olga Szeleszczuk
- Department of Animal Anatomy, Institute of Veterinary Sciences, University of Agriculture in Krakow, Krakow 30-059, Poland
| | - Magdalena Gleindek
- Department of Animal Anatomy, Institute of Veterinary Sciences, University of Agriculture in Krakow, Krakow 30-059, Poland
| | - Anna Grzesiakowska
- Department of Animal Anatomy, Institute of Veterinary Sciences, University of Agriculture in Krakow, Krakow 30-059, Poland
| | - Marta Kuchta-Gładysz
- Department of Animal Anatomy, Institute of Veterinary Sciences, University of Agriculture in Krakow, Krakow 30-059, Poland
| | - Agnieszka Otwinowska-Mindur
- Department of Genetics and Animal Breeding, Faculty of Animal Science, University of Agriculture in Krakow, Krakow 30-059, Poland
| |
Collapse
|
29
|
Bahar I, Elay G, Başkol G, Sungur M, Donmez-Altuntas H. Increased DNA damage and increased apoptosis and necrosis in patients with severe sepsis and septic shock. J Crit Care 2018; 43:271-275. [DOI: 10.1016/j.jcrc.2017.09.035] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Revised: 09/12/2017] [Accepted: 09/15/2017] [Indexed: 01/12/2023]
|
30
|
de Oliveira Costa Júnior CE, Maltz Borges Silva L, de Salazar E Fernandes T, Souza Moraes A, Amaral A. Evaluation of Pb-210 in urine and frequency of micronuclei in exfoliated cells as indicators of exposure to cigarettes. MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2018; 825:59-64. [PMID: 29307376 DOI: 10.1016/j.mrgentox.2017.12.007] [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: 01/11/2017] [Revised: 12/11/2017] [Accepted: 12/15/2017] [Indexed: 11/18/2022]
Abstract
This study aimed at analyzing the frequency of micronuclei (MN) in exfoliated cells as well as the levels of Pb-210 in urine samples to evaluate the association between the smoking habit and toxic stress of transitional epithelial cells. The frequency of MN was scored from Giemsa-stained slides while exchange resin and beta counting techniques were employed to measure the concentrations of this radioisotope. Urine samples of smokers had levels of Pb-210 up to 158.65 mBq L-1. For nonsmokers, the median was below the detection limit (45 mBq L-1). The analyses of mononucleated cells showed a significant increase of the frequency of MN in smokers when compared to nonsmokers. Statistical tests showed a tight relation between the cigarette consumption and the increase of the frequency of MN, rather than with the levels of Pb-210 present in smoke particles. The results indicate the usefulness of the methodology for the evaluation of human health risks related to chronic contamination with Pb-210.
Collapse
Affiliation(s)
- Carlos Eduardo de Oliveira Costa Júnior
- Grupo de Radioproteção e Radioecologia, Departamento de Energia Nuclear (DEN), Universidade Federal de Pernambuco (UFPE), Av. Prof. Luiz Freire, 100 - Cidade Universitária, 50740-540 Recife, PE, Brazil.
| | - Leone Maltz Borges Silva
- Grupo de Radioproteção e Radioecologia, Departamento de Energia Nuclear (DEN), Universidade Federal de Pernambuco (UFPE), Av. Prof. Luiz Freire, 100 - Cidade Universitária, 50740-540 Recife, PE, Brazil.
| | - Thiago de Salazar E Fernandes
- Departamento de Biofísica e Radiobiologia (DBR), Universidade Federal de Pernambuco (UFPE)Av. Professor Moraes Rego, s/n Cidade Universitária, 50670-901, Recife, PE, Brazil.
| | - Alex Souza Moraes
- Unidade Acadêmica do Cabo de Santo Agostinho, Universidade Federal Rural de Pernambuco (UFRPE), Rodovia BR-101 Sul, n° 5225, Km 97, Ponte dos Carvalhos, PE, Brazil.
| | - Ademir Amaral
- Grupo de Radioproteção e Radioecologia, Departamento de Energia Nuclear (DEN), Universidade Federal de Pernambuco (UFPE), Av. Prof. Luiz Freire, 100 - Cidade Universitária, 50740-540 Recife, PE, Brazil.
| |
Collapse
|
31
|
Ladeira C, Smajdova L. The use of genotoxicity biomarkers in molecular epidemiology: applications in environmental, occupational and dietary studies. AIMS GENETICS 2017; 4:166-191. [PMID: 31435507 PMCID: PMC6690241 DOI: 10.3934/genet.2017.3.166] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Accepted: 06/30/2017] [Indexed: 11/18/2022]
Abstract
Molecular epidemiology is an approach increasingly used in the establishment of associations between exposure to hazardous substances and development of disease, including the possible modulation by genetic susceptibility factors. Environmental chemicals and contaminants from anthropogenic pollution of air, water and soil, but also originating specifically in occupational contexts, are potential sources of risk of development of disease. Also, diet presents an important role in this process, with some well characterized associations existing between nutrition and some types of cancer. Genotoxicity biomarkers allow the detection of early effects that result from the interaction between the individual and the environment; they are therefore important tools in cancer epidemiology and are extensively used in human biomonitoring studies. This work intends to give an overview of the potential for genotoxic effects assessment, specifically with the cytokinesis blocked micronucleus assay and comet assay in environmental and occupational scenarios, including diet. The plasticity of these techniques allows their inclusion in human biomonitoring studies, adding important information with the ultimate aim of disease prevention, in particular cancer, and so it is important that they be included as genotoxicity assays in molecular epidemiology.
Collapse
Affiliation(s)
- Carina Ladeira
- Environment and Health Research Group, Escola Superior de Tecnologia da Saúde de Lisboa-Instituto Politécnico de Lisboa (ESTeSL-IPL), Av. D. João II, Lote 4.69.01, 1990-096 Lisboa, Portugal.,Grupo de Investigação em Genética e Metabolismo, Escola Superior de Tecnologia da Saúde de Lisboa-Instituto Politécnico de Lisboa (ESTeSL-IPL), Av. D. João II, Lote 4.69.01, 1990-096 Lisboa, Portugal.,Centro de Investigação em Saúde Pública-Escola Nacional de Saúde Pública, (CISP-ENSP), Universidade Nova de Lisboa, Portugal
| | - Lenka Smajdova
- Faculty of Social Sciences, London Metropolitan University, London, United Kingdom
| |
Collapse
|
32
|
Hilario Garcia AL, Matzenbacher CA, Santos MS, Prado L, Picada JN, Premoli SM, Corrêa DS, Niekraszewicz L, Dias JF, Grivicich I, da Silva J. Genotoxicity induced by water and sediment samples from a river under the influence of brewery effluent. CHEMOSPHERE 2017; 169:239-248. [PMID: 27880922 DOI: 10.1016/j.chemosphere.2016.11.081] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Revised: 11/10/2016] [Accepted: 11/15/2016] [Indexed: 06/06/2023]
Abstract
Brewery effluents contain complex mixtures that are discharged into rivers. Therefore, it is necessary to evaluate the genotoxic potential of these effluents. The study evaluated the genotoxicity of surface water and sediment samples from the Jacuí River in the state of Rio Grande do Sul, Brazil, which received effluents discharged from a brewery. The Salmonella/microsome test, Comet Assay and Micronucleus test on V79 cells, as well as the element profile (PIXE) and PAHs levels were used for this purpose. The surface water and sediment samples were collected in summer at three sites: 1 km upstream from the brewery discharge site (Site A); in front of the effluent discharge site, after chemical and biological treatment (Site B); about 1 km downstream from the discharge site (Site C). Only a sediment sample from Site A induced a mutagenic effect using the Salmonella/microsoma test (TA97a). All three sites presented genotoxicity (A, B and C), both for water and sediments using comet assay, and mutagenicity in the samples from Site B (surface water) and Site A and Site C (sediments) using the micronuclei tests. The results of PIXE and PAHs showed higher levels of elements for samples obtained from sites upstream and downstream from the effluent discharge. Environmental samples consist of complex mixtures of chemicals, and it is difficult to associate DNA damage with a specific element. This study showed that brewery effluent contains metals and PAHs that can induce in vitro genotoxicity under the conditions of this study.
Collapse
Affiliation(s)
- Ana Letícia Hilario Garcia
- Laboratory of Genetic Toxicology, PPGBioSaúde and PPGGTA, Lutheran University of Brazil (ULBRA), Av. Farroupilha 8001, Prédio 22, Sala 22 (4° andar), 92425-900, Canoas, RS, Brazil; Laboratory of Ecotoxicology, Postgraduate Program in Environmental Quality, University Feevale, ERS-239, 2755, 93525-075, Novo Hamburgo, RS, Brazil
| | - Cristina Araujo Matzenbacher
- Laboratory of Genetic Toxicology, PPGBioSaúde and PPGGTA, Lutheran University of Brazil (ULBRA), Av. Farroupilha 8001, Prédio 22, Sala 22 (4° andar), 92425-900, Canoas, RS, Brazil
| | - Marcela Silva Santos
- Laboratory of Genetic Toxicology, PPGBioSaúde and PPGGTA, Lutheran University of Brazil (ULBRA), Av. Farroupilha 8001, Prédio 22, Sala 22 (4° andar), 92425-900, Canoas, RS, Brazil
| | - Lismare Prado
- Laboratory of Genetic Toxicology, PPGBioSaúde and PPGGTA, Lutheran University of Brazil (ULBRA), Av. Farroupilha 8001, Prédio 22, Sala 22 (4° andar), 92425-900, Canoas, RS, Brazil
| | - Jaqueline Nascimento Picada
- Laboratory of Genetic Toxicology, PPGBioSaúde and PPGGTA, Lutheran University of Brazil (ULBRA), Av. Farroupilha 8001, Prédio 22, Sala 22 (4° andar), 92425-900, Canoas, RS, Brazil
| | - Suziane M Premoli
- Postgraduate Program in Genetics and Applied Toxicology (PPGGTA) - Chemistry Course, Lutheran University of Brazil (ULBRA), Av. Farroupilha 8001, 92425-900, Canoas, RS, Brazil
| | - Dione S Corrêa
- Postgraduate Program in Genetics and Applied Toxicology (PPGGTA) - Chemistry Course, Lutheran University of Brazil (ULBRA), Av. Farroupilha 8001, 92425-900, Canoas, RS, Brazil
| | - Liana Niekraszewicz
- Ion Implantation Laboratory, Institute of Physics, Federal University of Rio Grande do Sul (UFRGS), Av. Bento Gonçalves, 9500 - Agronomia, Porto Alegre, RS, Brazil
| | - Johnny Ferraz Dias
- Ion Implantation Laboratory, Institute of Physics, Federal University of Rio Grande do Sul (UFRGS), Av. Bento Gonçalves, 9500 - Agronomia, Porto Alegre, RS, Brazil
| | - Ivana Grivicich
- Laboratory of Cancer Biology, PPGBioSaúde and PPGGTA, Lutheran University of Brazil (ULBRA), Av. Farroupilha 8001, Prédio 22, Sala 22 (4° andar), 92425-900, Canoas, RS, Brazil
| | - Juliana da Silva
- Laboratory of Genetic Toxicology, PPGBioSaúde and PPGGTA, Lutheran University of Brazil (ULBRA), Av. Farroupilha 8001, Prédio 22, Sala 22 (4° andar), 92425-900, Canoas, RS, Brazil.
| |
Collapse
|
33
|
Pellacani C, Cassoni F, Bocchi C, Martino A, Pinto G, Fontana F, Furlini M, Buschini A. Cyto- and genotoxic profile of groundwater used as drinking water supply before and after disinfection. JOURNAL OF WATER AND HEALTH 2016; 14:901-913. [PMID: 27959869 DOI: 10.2166/wh.2016.256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The assessment of the toxicological properties of raw groundwater may be useful to predict the type and quality of tap water. Contaminants in groundwater are known to be able to affect the disinfection process, resulting in the formation of substances that are cytotoxic and/or genotoxic. Though the European directive (98/83/EC, which establishes maximum levels for contaminants in raw water (RW)) provides threshold levels for acute exposure to toxic compounds, the law does not take into account chronic exposure at low doses of pollutants present in complex mixture. The purpose of this study was to evaluate the cyto- and genotoxic load in the groundwater of two water treatment plants in Northern Italy. Water samples induced cytotoxic effects, mainly observed when human cells were treated with RW. Moreover, results indicated that the disinfection process reduced cell toxicity, independent of the biocidal used. The induction of genotoxic effects was found, in particular, when the micronucleus assay was carried out on raw groundwater. These results suggest that it is important to include bio-toxicological assays as additional parameters in water quality monitoring programs, as their use would allow the evaluation of the potential risk of groundwater for humans.
Collapse
Affiliation(s)
- C Pellacani
- Department of Neuroscience, School of Medicine, University of Parma, Parma, Italy E-mail: ; Arpae Emilia-Romagna, Sezione Provinciale di Parma, Parma, Italy; Department of Life Sciences, University of Parma, Parma, Italy
| | - F Cassoni
- Arpae Emilia-Romagna, Sezione Provinciale di Parma, Parma, Italy
| | - C Bocchi
- Arpae Emilia-Romagna, Sezione Provinciale di Parma, Parma, Italy
| | - A Martino
- Arpae Emilia-Romagna, Sezione Provinciale di Parma, Parma, Italy
| | - G Pinto
- Arpae Emilia-Romagna, Sezione Provinciale di Parma, Parma, Italy
| | - F Fontana
- Arpae Emilia-Romagna, Sezione Provinciale di Parma, Parma, Italy
| | - M Furlini
- Department of Life Sciences, University of Parma, Parma, Italy
| | - A Buschini
- Department of Life Sciences, University of Parma, Parma, Italy
| |
Collapse
|
34
|
Rezende M, De Geus JL, Loguercio AD, Reis A, Kossatz D. Clinical Evaluation of Genotoxicity of In-office Bleaching. Oper Dent 2016; 41:578-586. [DOI: 10.2341/15-207-c] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
SUMMARY
Objective: The aim of this study was to evaluate the genotoxicity of in-office bleaching with 35% hydrogen peroxide in epithelial cells from the gingival and lip tissues.
Methods and Materials: Thirty volunteers with central incisors shade A1 or darker were selected for this study. The gingival tissue of the teeth to be bleached was isolated with a light-polymerized resin dam, and the 35% hydrogen peroxide gel was administered during three 15-minute applications over the course of the 45-minute application period. Two bleaching sessions with a one-week interval in between were performed. Exfoliated oral mucosa gingival epithelial cells and upper lip lining were collected at baseline and one month after the in-office dental bleaching. The scraped cells were placed on clean glass slides and smears were prepared. After staining with Giemsa solution, two blinded examiners performed cell and micronuclei counts under a 100× optical microscope. Tooth sensitivity was evaluated using the Visual Analogue Scale (VAS). Shade evaluation was recorded before and one month after the bleaching treatment with the value-oriented shade guide Vita Bleachedguide 3D-MASTER and the spectrophotometer Vita Easyshade. Data from the shade guide units and the micronuclei (MN) frequency were subjected to a Mann-Whitney test (α=0.05). The overall difference between before and one month after the bleaching treatment (ΔE and ΔSGU), absolute risk, and intensity of tooth sensitivity (TS) were calculated, as was the 95% confidence interval (CI).
Results: The frequency of MN was not increased after bleaching with 35% hydrogen peroxide in both study groups (p>0.05). The absolute risk of TS of the participants was 93% (95% CI, 79%-98%), with a mean VAS intensity of 5.7 ± 2.9 (95% CI, 4.6-6.8). Meaningful whitening was observed after bleaching. The change in shade guide units in the Bleachedguide 3D-MASTER was 2.3 ± 1.4. In terms of ΔE, the change in color was 7.7 ± 3.5.
Conclusions: The in-office bleaching did not induce DNA damage to the gingival and lip tissue during the bleaching period. Although effective whitening was observed, most of the participants experienced TS.
Collapse
Affiliation(s)
- M Rezende
- Márcia Rezende, DDS, MS, postdoctoral student, Department of Restorative Dentistry, University Estadual de Ponta Grossa, Ponta Grossa, Brazil
| | - JL De Geus
- Juliana Larocca De Geus, DDS, MS, doctoral student, Department of Restorative Dentistry, University Estadual de Ponta Grossa, Ponta Grossa, Brazil
| | - AD Loguercio
- Alessandro Dourado Loguercio, DDS, MS, PhD, professor, School of Dentistry, State University of Ponta Grossa, Ponta Grossa, Brazil
| | - A Reis
- Alessandra Reis, DDS, PhD, professor, School of Dentistry, Department of Restorative Dentistry, University Estadual de Ponta Grossa, Ponta Grossa, Brazil
| | - D Kossatz
- Stella Kossatz, DDS, MS, PhD, professor, School of Dentistry, Department of Restorative Dentistry, University Estadual de Ponta Grossa, Ponta Grossa, Brazil
| |
Collapse
|
35
|
Çayır A, Coşkun M, Coşkun M. Genotoxicity of commercial fungicide Cabrio Plus on human cell. Cytotechnology 2016; 68:1697-704. [PMID: 26441122 PMCID: PMC5023543 DOI: 10.1007/s10616-015-9919-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2014] [Accepted: 09/23/2015] [Indexed: 11/30/2022] Open
Abstract
Cabrio Plus, a commercial fungicide, is used in agriculture as the control agent for a broad spectrum of diseases including black dot, early blight, late blight and powdery mildew. This study aimed to evaluate the genotoxicity of commercial formulation of Cabrio Plus which has been inadequately evaluated. The genotoxic potential of Cabrio Plus in isolated human peripheral blood lymphocytes was measured by means of an alkaline version of the comet assay (pH > 13) and in whole blood by use of the in vitro micronucleus test. Cabrio Plus induced a statistically significant increase in DNA damage assessed with the in vitro micronucleus assay and the comet assay. Cabrio Plus also induced cytotoxicity in a dose-dependent manner with the in vitro micronucleus assay. It can be concluded that a commercially available pesticide formulation, Cabrio Plus, has the ability to cause DNA damage and cytotoxicity.
Collapse
Affiliation(s)
- Akın Çayır
- Vocational Health College, Çanakkale Onsekiz Mart University, 17100, Çanakkale, Turkey.
| | - Mahmut Coşkun
- Department of Medical Biology, Faculty of Medicine, Çanakkale Onsekiz Mart University, Terzioglu Campus, 17100, Çanakkale, Turkey
| | - Münevver Coşkun
- Vocational Health College, Çanakkale Onsekiz Mart University, 17100, Çanakkale, Turkey
| |
Collapse
|
36
|
An apolar Pistacia lentiscus L. leaf extract: GC-MS metabolic profiling and evaluation of cytotoxicity and apoptosis inducing effects on SH-SY5Y and SK-N-BE(2)C cell lines. Food Chem Toxicol 2016; 95:64-74. [DOI: 10.1016/j.fct.2016.06.028] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Revised: 05/25/2016] [Accepted: 06/27/2016] [Indexed: 12/11/2022]
|
37
|
Schneider BUC, Meza A, Beatriz A, Pesarini JR, Carvalho PCD, Mauro MDO, Karaziack CB, Cunha-Laura AL, Monreal ACD, Matuo R, Lima DPD, Oliveira RJ. Cardanol: toxicogenetic assessment and its effects when combined with cyclophosphamide. Genet Mol Biol 2016; 39:279-89. [PMID: 27303909 PMCID: PMC4910563 DOI: 10.1590/1678-4685-gmb-2015-0170] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2015] [Accepted: 12/20/2015] [Indexed: 01/17/2023] Open
Abstract
Cardanol is an effective antioxidant and is a compound with antimutagenic and
antitumoral activity. Here, we evaluated the genotoxic and mutagenic potential of
saturated side chain cardanol and its effects in combination with cyclophosphamide in
preventing DNA damage, apoptosis, and immunomodulation. Swiss mice were treated with
cardanol (2.5, 5 and 10 mg/kg) alone or in combination with cyclophosphamide (100
mg/kg). The results showed that cardanol is an effective chemopreventive compound,
with damage reduction percentages that ranged from 18.9 to 31.76% in the comet assay
and from 45 to 97% in the micronucleus assay. Moreover, cardanol has the ability to
reduce the frequency of apoptosis induced by cyclophosphamide. The compound did not
show immunomodulatory activity. A final interpretation of the data showed that,
despite its chemoprotective capacity, cardanol has a tendency to induce DNA damage.
Hence, caution is needed if this compound is used as a chemopreventive agent. Also,
this compound is likely not suitable as an adjuvant in chemotherapy treatments that
use cyclophosphamide.
Collapse
Affiliation(s)
- Beatriz Ursinos Catelan Schneider
- Programa de Pós-Graduação em Saúde e Desenvolvimento na Região Centro-Oeste, Faculdade de Medicina "Dr. Hélio Mandetta", Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil.,Centro de Estudos em Células-Tronco, Terapia Celular e Genética Toxicológica, Hospital Universitário "Maria Aparecida Pedrossian", Empresa Brasileira de Serviços Hospitalares, Campo Grande, MS, Brazil
| | - Alisson Meza
- Programa de Pós-Graduação em Química, Instituto de Química, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil
| | - Adilson Beatriz
- Programa de Pós-Graduação em Química, Instituto de Química, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil.,Programa de Mestrado em Farmácia, Centro de Ciências Biológicas e da Saúde, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil
| | - João Renato Pesarini
- Programa de Pós-Graduação em Saúde e Desenvolvimento na Região Centro-Oeste, Faculdade de Medicina "Dr. Hélio Mandetta", Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil.,Centro de Estudos em Células-Tronco, Terapia Celular e Genética Toxicológica, Hospital Universitário "Maria Aparecida Pedrossian", Empresa Brasileira de Serviços Hospitalares, Campo Grande, MS, Brazil
| | - Pamela Castilho de Carvalho
- Programa de Pós-Graduação em Saúde e Desenvolvimento na Região Centro-Oeste, Faculdade de Medicina "Dr. Hélio Mandetta", Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil.,Centro de Estudos em Células-Tronco, Terapia Celular e Genética Toxicológica, Hospital Universitário "Maria Aparecida Pedrossian", Empresa Brasileira de Serviços Hospitalares, Campo Grande, MS, Brazil
| | - Mariana de Oliveira Mauro
- Programa de Doutorado em Biotecnologia e Biodiversidade - Rede Pró Centro-Oeste, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil
| | - Caroline Bilhar Karaziack
- Programa de Pós-Graduação em Química, Instituto de Química, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil
| | - Andréa Luiza Cunha-Laura
- Programa de Mestrado em Farmácia, Centro de Ciências Biológicas e da Saúde, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil
| | - Antônio Carlos Duenhas Monreal
- Programa de Mestrado em Farmácia, Centro de Ciências Biológicas e da Saúde, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil
| | - Renata Matuo
- Centro de Estudos em Células-Tronco, Terapia Celular e Genética Toxicológica, Hospital Universitário "Maria Aparecida Pedrossian", Empresa Brasileira de Serviços Hospitalares, Campo Grande, MS, Brazil.,Programa de Mestrado em Farmácia, Centro de Ciências Biológicas e da Saúde, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil
| | - Dênis Pires de Lima
- Programa de Pós-Graduação em Química, Instituto de Química, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil
| | - Rodrigo Juliano Oliveira
- Programa de Pós-Graduação em Saúde e Desenvolvimento na Região Centro-Oeste, Faculdade de Medicina "Dr. Hélio Mandetta", Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil.,Centro de Estudos em Células-Tronco, Terapia Celular e Genética Toxicológica, Hospital Universitário "Maria Aparecida Pedrossian", Empresa Brasileira de Serviços Hospitalares, Campo Grande, MS, Brazil.,Programa de Mestrado em Farmácia, Centro de Ciências Biológicas e da Saúde, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil
| |
Collapse
|
38
|
Beinke C, Port M, Riecke A, Ruf CG, Abend M. Adaption of the Cytokinesis-Block Micronucleus Cytome Assay for Improved Triage Biodosimetry. Radiat Res 2016; 185:461-72. [DOI: 10.1667/rr14294.1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- C. Beinke
- Bundeswehr Institute of Radiobiology, 80937 Munich, Germany
| | - M. Port
- Bundeswehr Institute of Radiobiology, 80937 Munich, Germany
| | - A. Riecke
- Department of Hematology, Federal Armed Forces Hospital, 89081 Ulm, Germany; and
| | - C. G. Ruf
- Department of Urology, Federal Armed Forces Hospital, 56072 Koblenz, Germany
| | - M. Abend
- Bundeswehr Institute of Radiobiology, 80937 Munich, Germany
| |
Collapse
|
39
|
Bitgen N, Donmez-Altuntas H, Bayram F, Cakir I, Hamurcu Z, Diri H, Baskol G, Senol S, Durak AC. Increased micronucleus, nucleoplasmic bridge, nuclear bud frequency and oxidative DNA damage associated with prolactin levels and pituitary adenoma diameters in patients with prolactinoma. Biotech Histochem 2015; 91:128-36. [PMID: 26720589 DOI: 10.3109/10520295.2015.1101163] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Prolactinoma is the most common pituitary tumor. Most pituitary tumors are benign, but they often are clinically significant. We investigated cytokinesis-block micronucleus cytome (CBMN cyt) assay parameters and oxidative DNA damage in patients with prolactinoma to assess the relations among age, prolactin level, pituitary adenoma diameter and 8-hydroxy-2'-deoxyguanosine (8-OHdG) level in patients with prolactinoma. We investigated 27 patients diagnosed with prolactinoma and 20 age- and sex-matched healthy controls. We measured CBMN cyt parameters and plasma 8-OHdG levels in peripheral blood lymphocytes of patients with prolactinoma and controls. The frequencies of micronucleus (MN), nucleoplasmic bridge, nuclear bud, apoptotic and necrotic cells, and plasma 8-OHdG levels in patients with prolactinoma were significantly greater than controls. MN frequency was correlated positively with age, prolactin levels and pituitary adenoma diameters in patients with prolactinoma. The increased chromosomal and oxidative DNA damage, and the positive correlation between MN frequency, prolactin levels and pituitary adenoma diameters may be associated with increased risk of cancer in patients with prolactinoma, because increased MN frequency is a predictor of cancer risk.
Collapse
Affiliation(s)
- N Bitgen
- a Department of Chemical Technology , Technical Sciences Vocational School, Aksaray University , Aksaray , Turkey
| | - H Donmez-Altuntas
- b Department of Medical Biology , Erciyes University , Kayseri , Turkey
| | - F Bayram
- c Department of Endocrinology and Metabolism , Erciyes University , Kayseri , Turkey
| | - I Cakir
- c Department of Endocrinology and Metabolism , Erciyes University , Kayseri , Turkey
| | - Z Hamurcu
- b Department of Medical Biology , Erciyes University , Kayseri , Turkey
| | - H Diri
- c Department of Endocrinology and Metabolism , Erciyes University , Kayseri , Turkey
| | - G Baskol
- d Department of Biochemistry , Erciyes University , Kayseri , Turkey
| | - S Senol
- e Department of Radiology , Faculty of Medicine, Erciyes University , Kayseri , Turkey
| | - A C Durak
- e Department of Radiology , Faculty of Medicine, Erciyes University , Kayseri , Turkey
| |
Collapse
|
40
|
Synergistic antibacterial effects of localized heat and oxidative stress caused by hydroxyl radicals mediated by graphene/iron oxide-based nanocomposites. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2015; 12:431-8. [PMID: 26711965 DOI: 10.1016/j.nano.2015.11.014] [Citation(s) in RCA: 83] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2015] [Revised: 11/06/2015] [Accepted: 11/09/2015] [Indexed: 12/24/2022]
Abstract
UNLABELLED This work develops a composite system of reduced graphene oxide (rGO)-iron oxide nanoparticles (rGO-IONP) that can synergistically induce physical and chemical damage to methicillin-resistant Staphylococcus aureus (MRSA) that are present in subcutaneous abscesses. rGO-IONP was synthesized by the chemical deposition of Fe(2+)/Fe(3+) ions on nanosheets of rGO in aqueous ammonia. The antibacterial efficacy of the as-prepared rGO-IONP was evaluated in a mouse model with MRSA-infected subcutaneous abscesses. Upon exposure to a near-infrared laser in vitro, rGO-IONP synergistically generated localized heat and large amounts of hydroxyl radicals, which inactivated MRSA. The in vivo results reveal that combined treatment with localized heat and oxidative stress that is caused by hydroxyl radicals accelerated the healing of wounds associated with MRSA-infected abscesses. The above results demonstrate that an rGO-IONP nanocomposite system that can effectively inactivate multiple-drug-resistant bacteria in subcutaneous infections was successfully developed. FROM THE CLINICAL EDITOR The emergence of methicillin-resistant S. aureus (MRSA) has posed a significant problem in the clinical setting. Thus, it is imperative to develop new treatment strategies against this. In this study, the authors described the use of reduced graphene oxide (rGO)-iron oxide nanoparticles (rGO-IONP) to induce heat and chemical damage to MRSA. This approach may provide a platform the design of other treatment modalities against multiple-drug-resistant bacteria.
Collapse
|
41
|
Mesic A, Nefic H. Assessment of the genotoxicity and cytotoxicity in environmentally exposed human populations to heavy metals using the cytokinesis-block micronucleus cytome assay. ENVIRONMENTAL TOXICOLOGY 2015; 30:1331-1342. [PMID: 24861359 DOI: 10.1002/tox.22004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2014] [Revised: 05/04/2014] [Accepted: 05/09/2014] [Indexed: 06/03/2023]
Abstract
The cytokinesis-block micronucleus cytome (CBMN-Cyt) assay was developed as a system for evaluating DNA damage, cytostasis, and cytotoxicity. The aim of the present study was to estimate levels of micronuclei (MNi), nucleoplasmic bridges (NPBs), nuclear buds (NBUDs), cell death (apoptosis/necrosis), nuclear division index, and nuclear division cytotoxicity index values in the peripheral blood lymphocytes of environmentally exposed subjects to heavy metals from five Bosnian regions, characterized by different exposure to heavy metals. The study was performed using CBMN-Cyt assay, considering factors, such as age, gender and smoking habits and their possible effects on analyzed parameters. In total, 104 healthy subjects were selected (49.04% females and 50.96% males; average age, 35.41 years; 51.92% smokers and 48.08% nonsmokers). There was significant difference between the frequency of NBUDs in Tuzla as compared to the control group. Furthermore, there was observed a statistically significant difference for the frequency of NPBs between Zenica, Olovo, and Kakanj when compared with the controls. Males showed a significantly higher number of apoptotic cells than females in controls. There were significant differences between smokers and nonsmokers in the frequency of NPBs in controls (higher in nonsmokers) and necrotic cells in Olovo (higher in nonsmokers). The pack years of smoking significantly influenced the number of necrotic cells in controls and the frequency of NBUDs in the overall sample. The results of the present study provide evidence of significantly increased frequency of NPBs and NBUDs in exposed subjects, suggesting that these endpoints are highly sensitive markers for measuring genotoxicity.
Collapse
Affiliation(s)
- Aner Mesic
- Department of Biology, Faculty of Science, University of Sarajevo, Sarajevo, Bosnia and Herzegovina
| | - Hilada Nefic
- Department of Biology, Faculty of Science, University of Sarajevo, Sarajevo, Bosnia and Herzegovina
| |
Collapse
|
42
|
Melegari SP, de Carvalho Pinto CRS, Moukha S, Creppy EE, Matias WG. Evaluation of Cytotoxicity and Cell Death Induced In Vitro by Saxitoxin in Mammalian Cells. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2015; 78:1189-1200. [PMID: 26436995 DOI: 10.1080/15287394.2015.1072069] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Since the cyanotoxin saxitoxin (STX) is a neurotoxin and induces ecological changes in aquatic environments, a potential risk to public and environmental health exists. However, data on STX-mediated cytotoxic and genotoxic effects are still scare. In order to gain a better understanding of the effects of this toxin, the cytotoxic and genotoxic potential of STX was examined in two mammalian cell lines. Neuro 2A (N2A), a neuroblastoma mouse cell line, and Vero cell line, derived from Vero green monkey kidney cells, were exposed to several concentrations of STX ranging from 0.5 to 64 nM to determine cell viability, induction of apoptosis (DNA fragmentation assay), and formation of micronuclei (MN) (cytokinesis-block micronucleus assay; CBMN) following 24 h of incubation. The half maximal effective concentration (EC50) values for STX calculated in cell viability tests were 1.01 nM for N2A and 0.82 nM for Vero cells. With increasing STX concentration there was evidence of DNA fragmentation indicating apoptosis induction in Vero cells with a 50% increase in DNA fragmentation compared to control at the highest STX concentration tested (3 nM). The results demonstrated no significant changes in the frequency of micronucleated binucleated cells in N2A and Vero cells exposed to STX, indicating the absence of genotoxicity under these test conditions. There was no apparent cellular necrosis as evidenced by a lack of formation of multinucleated cells. In conclusion, data reported herein demonstrate that STX produced death of both cell types tested through an apoptotic process.
Collapse
Affiliation(s)
- Silvia P Melegari
- a Department of Sanitary and Environmental Engineering , Federal University of Santa Catarina, Campus Universitário , Florianópolis , Santa Catarina , Brazil
| | - Cátia R S de Carvalho Pinto
- a Department of Sanitary and Environmental Engineering , Federal University of Santa Catarina, Campus Universitário , Florianópolis , Santa Catarina , Brazil
| | - Serge Moukha
- b UFR des Sciences Pharmaceutiques , Université Victor Segalen Bordeaux , Bordeaux Cedex , France
- c INRA-Centre de Recherche de Bordeaux Aquitaine , Unité de Mycologie et de Sécurité des Aliments, Villenave d'Ornon Cedex , France
| | - Edmond E Creppy
- b UFR des Sciences Pharmaceutiques , Université Victor Segalen Bordeaux , Bordeaux Cedex , France
| | - William G Matias
- a Department of Sanitary and Environmental Engineering , Federal University of Santa Catarina, Campus Universitário , Florianópolis , Santa Catarina , Brazil
| |
Collapse
|
43
|
Widel M, Lalik A, Krzywon A, Poleszczuk J, Fujarewicz K, Rzeszowska-Wolny J. The different radiation response and radiation-induced bystander effects in colorectal carcinoma cells differing in p53 status. Mutat Res 2015; 778:61-70. [PMID: 26099456 DOI: 10.1016/j.mrfmmm.2015.06.003] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2014] [Revised: 05/15/2015] [Accepted: 06/07/2015] [Indexed: 01/18/2023]
Abstract
Radiation-induced bystander effect, appearing as different biological changes in cells that are not directly exposed to ionizing radiation but are under the influence of molecular signals secreted by irradiated neighbors, have recently attracted considerable interest due to their possible implication for radiotherapy. However, various cells present diverse radiosensitivity and bystander responses that depend, inter alia, on genetic status including TP53, the gene controlling the cell cycle, DNA repair and apoptosis. Here we compared the ionizing radiation and bystander responses of human colorectal carcinoma HCT116 cells with wild type or knockout TP53 using a transwell co-culture system. The viability of exposed to X-rays (0-8 Gy) and bystander cells of both lines showed a roughly comparable decline with increasing dose. The frequency of micronuclei was also comparable at lower doses but at higher increased considerably, especially in bystander TP53-/- cells. Moreover, the TP53-/- cells showed a significantly elevated frequency of apoptosis, while TP53+/+ counterparts expressed high level of senescence. The cross-matched experiments where irradiated cells of one line were co-cultured with non-irradiated cells of opposite line show that both cell lines were also able to induce bystander effects in their counterparts, however different endpoints revealed with different strength. Potential mediators of bystander effects, IL-6 and IL-8, were also generated differently in both lines. The knockout cells secreted IL-6 at lower doses whereas wild type cells only at higher doses. Secretion of IL-8 by TP53-/- control cells was many times lower than that by TP53+/+ but increased significantly after irradiation. Transcription of the NFκBIA was induced in irradiated TP53+/+ mainly, but in bystanders a higher level was observed in TP53-/- cells, suggesting that TP53 is required for induction of NFκB pathway after irradiation but another mechanism of activation must operate in bystander cells.
Collapse
Affiliation(s)
- Maria Widel
- Biosystems Group, Institute of Automatic Control, Silesian University of Technology, 16 Akademicka Street, 44-100 Gliwice, Poland.
| | - Anna Lalik
- Biosystems Group, Institute of Automatic Control, Silesian University of Technology, 16 Akademicka Street, 44-100 Gliwice, Poland
| | - Aleksandra Krzywon
- Biosystems Group, Institute of Automatic Control, Silesian University of Technology, 16 Akademicka Street, 44-100 Gliwice, Poland
| | - Jan Poleszczuk
- College of Inter-faculty Individual Studies in Mathematics and Natural Sciences, University of Warsaw, 93 Zwirki i Wigury Street, 02-089 Warsaw, Poland; Department of Integrated Mathematical Oncology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, Florida, USA
| | - Krzysztof Fujarewicz
- Biosystems Group, Institute of Automatic Control, Silesian University of Technology, 16 Akademicka Street, 44-100 Gliwice, Poland
| | - Joanna Rzeszowska-Wolny
- Biosystems Group, Institute of Automatic Control, Silesian University of Technology, 16 Akademicka Street, 44-100 Gliwice, Poland
| |
Collapse
|
44
|
Menezes APS, Da Silva J, Rossato RR, Santos MS, Decker N, Da Silva FR, Cruz C, Dihl RR, Lehmann M, Ferraz ABF. Genotoxic and biochemical changes in Baccharis trimera induced by coal contamination. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2015; 114:9-16. [PMID: 25590379 DOI: 10.1016/j.ecoenv.2015.01.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2014] [Revised: 01/04/2015] [Accepted: 01/05/2015] [Indexed: 06/04/2023]
Abstract
The processing and combustion of coal in thermal power plants release anthropogenic chemicals into the environment. Baccharis trimera is a common plant used in folk medicine that grows readily in soils degraded by coal mining activities. This shrub bioaccumulates metals released into the environment, and thus its consumption may be harmful to health. The purpose of this study was to investigate the phytochemical profile, antioxidant capacity (DPPH), genotoxic (comet assay) and mutagenic potential (CBMN-cyt) in V79 cells of B. trimera aqueous extracts in the coal-mining region of Candiota (Bt-AEC), and in Bagé, a city that does not experience the effects of exposure to coal (Bt-AEB, a reference site). In the comet assay, only Bt-AEC was genotoxic at the highest doses (0.8mg/mL and 1.6mg/mL), compared to the control. For extracts from both areas, mutagenic effects were observed at higher concentrations compared to the control. The cell damage parameters were significantly high in both extracts; however, more striking values were observed for Bt-AEC, up to the dose of 0.8mg/mL. In chemical analysis, no variation was observed in the contents of flavonoids and phenolic compounds, neither the antioxidant activity, which may suggest that DNA damage observed in V79 cells was induced by the presence of coal contaminants absorbed by the plant.
Collapse
Affiliation(s)
- A P S Menezes
- Programa de Pós-Graduação em Biologia Celular e Molecular Aplicada a Saúde (PPGBioSaude), Universidade Luterana do Brasil, Canoas, Brazil; Centro de Ciências da Saúde, Universidade da Região da Campanha (URCAMP), Bagé, Rio Grande do Sul, Brazil
| | - J Da Silva
- Programa de Pós-Graduação em Biologia Celular e Molecular Aplicada a Saúde (PPGBioSaude), Universidade Luterana do Brasil, Canoas, Brazil.
| | - R R Rossato
- Programa de Pós-Graduação em Biologia Celular e Molecular Aplicada a Saúde (PPGBioSaude), Universidade Luterana do Brasil, Canoas, Brazil; Centro de Ciências da Saúde, Universidade da Região da Campanha (URCAMP), Bagé, Rio Grande do Sul, Brazil
| | - M S Santos
- Programa de Pós-Graduação em Biologia Celular e Molecular Aplicada a Saúde (PPGBioSaude), Universidade Luterana do Brasil, Canoas, Brazil
| | - N Decker
- Programa de Pós-Graduação em Biologia Celular e Molecular Aplicada a Saúde (PPGBioSaude), Universidade Luterana do Brasil, Canoas, Brazil
| | - F R Da Silva
- Programa de Pós-Graduação em Biologia Celular e Molecular Aplicada a Saúde (PPGBioSaude), Universidade Luterana do Brasil, Canoas, Brazil
| | - C Cruz
- Programa de Pós-Graduação em Biologia Celular e Molecular Aplicada a Saúde (PPGBioSaude), Universidade Luterana do Brasil, Canoas, Brazil
| | - R R Dihl
- Programa de Pós-Graduação em Biologia Celular e Molecular Aplicada a Saúde (PPGBioSaude), Universidade Luterana do Brasil, Canoas, Brazil
| | - M Lehmann
- Programa de Pós-Graduação em Biologia Celular e Molecular Aplicada a Saúde (PPGBioSaude), Universidade Luterana do Brasil, Canoas, Brazil
| | - A B F Ferraz
- Programa de Pós-Graduação em Biologia Celular e Molecular Aplicada a Saúde (PPGBioSaude), Universidade Luterana do Brasil, Canoas, Brazil.
| |
Collapse
|
45
|
de Geus JL, Rezende M, Margraf LS, Bortoluzzi MC, Fernández E, Loguercio AD, Reis A, Kossatz S. Evaluation of Genotoxicity and Efficacy of At-home Bleaching in Smokers: A Single-blind Controlled Clinical Trial. Oper Dent 2015; 40:E47-55. [DOI: 10.2341/14-121-c] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
SUMMARY
Objective
This single-blind controlled study evaluated the genotoxicity and efficacy of at-home bleaching in smokers and nonsmokers.
Methods
We selected 60 patients with central incisors A2 or darker: 30 smokers (experimental group) and 30 nonsmokers (control group). The bleaching was carried out with 10% carbamide peroxide for three hours a day for three weeks. The color was evaluated using a shade guide, Vita Bleachedguide 3D-Master, at baseline, during bleaching (first, second, and third weeks), and one week and one month after bleaching. Smears were obtained with a moistened wooden spatula from marginal gingiva. All the cytologic smears were stained with Giemsa solution. From each slide, 1000 cells were examined under 40× magnification and where micronuclei (MN) were located, they were examined under 100× magnification. The change in shade guide units at the different assessment periods and the frequency of MN were subjected to a two-way repeated measures analysis of variance and Tukey test (α=0.05).
Results
In both groups we detected a whitening of approximately 4 to 5 shade guide units, without color rebound after one month (p>0.05). The frequency of MN was significantly higher in the experimental group than in the control group, regardless of the bleaching treatment (p>0.001).
Conclusion
The efficacy of bleaching does not appear to be affected by the smoking habit. Additionally, at-home bleaching did not induce DNA damage to the gingival tissue during the bleaching period.
Collapse
Affiliation(s)
- JL de Geus
- Juliana L. de Geus, MS, State University of Ponta Grossa, Restorative Dentistry, Parana, Brazil
| | - M Rezende
- Márcia Rezende, MS. State University of Ponta Grossa, Restorative Dentistry, Ponta Grossa, Brazil
| | - LS Margraf
- Letícia S. Margraf, graduate student, State University of Ponta Grossa, Restorative Dentistry, Ponta Grossa, Brazil
| | - MC Bortoluzzi
- Marcelo C. Bortoluzzi, PhD, State University of Ponta Grossa, Stomatology, Ponta Grossa, Brazil
| | - E Fernández
- Eduardo Fernández, PhD, University of Chile, Restorative Dentistry, Santiago, Chile
| | - AD Loguercio
- Alessandro D. Loguercio, DDS, MS, PhD, Ponta Grossa State University, Restorative Dentistry, Ponta Grossa, Brazil
| | - A Reis
- Alessandra Reis, DDS, PhD, Universidade Estadual de Ponta Grossa, Restorative Dentistry, Ponta Grossa, Brazil
| | - S Kossatz
- Stella Kossatz, DDS, MS, PhD, Universidade Estadual de Ponta Grossa, Restorative Dentistry, Ponta Grossa, Brazil
| |
Collapse
|
46
|
Blázquez-Castro A, Stockert JC. In vitro human cell responses to a low-dose photodynamic treatment vs. mild H2O2 exposure. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2015; 143:12-9. [DOI: 10.1016/j.jphotobiol.2014.12.015] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2014] [Revised: 12/07/2014] [Accepted: 12/13/2014] [Indexed: 01/01/2023]
|
47
|
Ooi TC, Mohammad NH, Sharif R. Zinc carnosine protects against hydrogen peroxide-induced DNA damage in WIL2-NS lymphoblastoid cell line independent of poly (ADP-Ribose) polymerase expression. Biol Trace Elem Res 2014; 162:8-17. [PMID: 25326781 DOI: 10.1007/s12011-014-0153-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2014] [Accepted: 10/07/2014] [Indexed: 12/13/2022]
Abstract
The aim of this study is to investigate the ability of zinc carnosine to protect the human lymphoblastoid (WIL2-NS) cell line from hydrogen peroxide-induced DNA damage. Cells were cultured with medium containing zinc carnosine at the concentrations of 0.4, 4, 16 and 32 μM for 9 days prior to treatment with 30 μM of hydrogen peroxide (30 min). Zinc carnosine at the concentration 16 μM was optimal in protecting cells from hydrogen peroxide-induced cytotoxicity and gave the lowest percentage of apoptotic and necrotic cells. Results showed that zinc carnosine was able to induce glutathione production and protect cells from hydrogen peroxide-induced oxidative stress at all concentration and the highest protection was observed at 32-μM zinc carnosine culture. Cytokinesis-block micronucleus cytome assay showed that cells cultured with 4-32 μM of zinc carnosine showed significant reduction in micronuclei formation, nucleoplasmic bridges and nuclear bud frequencies (p < 0.05), suggesting that these concentrations maybe optimal in protecting cells from hydrogen peroxide-induced DNA damage. However, after being challenged with hydrogen peroxide, no increase in poly(ADP-ribose) polymerase expression was observed. Thus, results from this study demonstrate that zinc carnosines possess antioxidant properties and are able to reduce hydrogen peroxide-induced DNA damage in vitro independent of poly(ADP-ribose) polymerase. Further studies are warranted to understand the mechanism of protection of zinc carnosine against hydrogen peroxide-induced damage.
Collapse
Affiliation(s)
- Theng Choon Ooi
- Biomedical Science Programme, School of Diagnostic and Applied Health Sciences, Faculty of Health Sciences, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | | | | |
Collapse
|
48
|
Alnuqaydan AM, Lenehan CE, Hughes RR, Sanderson BJ. Extracts from Calendula officinalis offer in vitro protection against H2 O2 induced oxidative stress cell killing of human skin cells. Phytother Res 2014; 29:120-4. [PMID: 25266574 DOI: 10.1002/ptr.5236] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2014] [Revised: 08/09/2014] [Accepted: 09/04/2014] [Indexed: 11/07/2022]
Abstract
The in vitro safety and antioxidant potential of Calendula officinalis flower head extracts was investigated. The effect of different concentrations (0.125, 0.5, 1.0, 2.0 and 5.0% (v/v)) of Calendula extracts on human skin cells HaCaT in vitro was explored. Doses of 1.0% (v/v) (0.88 mg dry weight/mL) or less showed no toxicity. Cells were also exposed to the Calendula extracts for either 4, 24 or 48 h before being exposed to an oxidative insult (hydrogen peroxide H2 O2 ) for 1 h. Using the MTT cytotoxicity assay, it was observed that two independent extracts of C. officinalis gave time-dependent and concentration-dependent H2 O2 protection against induced oxidative stress in vitro using human skin cells. Pre-incubation with the Calendula extracts for 24 and 48 h increased survival relative to the population without extract by 20% and 40% respectively following oxidative challenge. The antioxidant potential of the Calendula extracts was confirmed using a complimentary chemical technique, the DPPH(●) assay. Calendula extracts exhibited free radical scavenging abilities. This study demonstrates that Calendula flower extracts contain bioactive and free radical scavenging compounds that significantly protect against oxidative stress in a human skin cell culture model.
Collapse
Affiliation(s)
- Abdullah M Alnuqaydan
- Medical Biotechnology, School of Medicine, Faculty of Medicine, Nursing and Health Sciences, Flinders University, Australia
| | | | | | | |
Collapse
|
49
|
Sahu SC, Njoroge J, Bryce SM, Yourick JJ, Sprando RL. Comparative genotoxicity of nanosilver in human liver HepG2 and colon Caco2 cells evaluated by a flow cytometricin vitromicronucleus assay. J Appl Toxicol 2014; 34:1226-34. [DOI: 10.1002/jat.3065] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2014] [Revised: 07/19/2014] [Accepted: 07/20/2014] [Indexed: 01/31/2023]
Affiliation(s)
- Saura C. Sahu
- Division of Toxicology, Office of Applied Research and Safety Assessment, Center for Food Safety and Applied Nutrition; US Food and Drug Administration; Laurel MD 20708 USA
| | - Joyce Njoroge
- Division of Toxicology, Office of Applied Research and Safety Assessment, Center for Food Safety and Applied Nutrition; US Food and Drug Administration; Laurel MD 20708 USA
| | | | - Jeffrey J. Yourick
- Division of Toxicology, Office of Applied Research and Safety Assessment, Center for Food Safety and Applied Nutrition; US Food and Drug Administration; Laurel MD 20708 USA
| | - Robert L. Sprando
- Division of Toxicology, Office of Applied Research and Safety Assessment, Center for Food Safety and Applied Nutrition; US Food and Drug Administration; Laurel MD 20708 USA
| |
Collapse
|
50
|
Vecchio G, Fenech M, Pompa PP, Voelcker NH. Lab-on-a-chip-based high-throughput screening of the genotoxicity of engineered nanomaterials. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2014; 10:2721-2734. [PMID: 24610750 DOI: 10.1002/smll.201303359] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2013] [Indexed: 06/03/2023]
Abstract
The continuous increasing of engineered nanomaterials (ENMs) in our environment, their combinatorial diversity, and the associated genotoxic risks, highlight the urgent need to better define the possible toxicological effects of ENMs. In this context, we present a new high-throughput screening (HTS) platform based on the cytokinesis-block micronucleus (CBMN) assay, lab-on-chip cell sorting, and automated image analysis. This HTS platform has been successfully applied to the evaluation of the cytotoxic and genotoxic effects of silver nanoparticles (AgNPs) and silica nanoparticles (SiO2NPs). In particular, our results demonstrate the high cyto- and genotoxicity induced by AgNPs and the biocompatibility of SiO2NPs, in primary human lymphocytes. Moreover, our data reveal that the toxic effects are also dependent on size, surface coating, and surface charge. Most importantly, our HTS platform shows that AgNP-induced genotoxicity is lymphocyte sub-type dependent and is particularly pronounced in CD2+ and CD4+ cells.
Collapse
Affiliation(s)
- Giuseppe Vecchio
- Mawson Institute, University of South Australia, Mawson Lakes, SA, 5095, Australia
| | | | | | | |
Collapse
|