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Pinto TG, Muniz Renno AC, Cury PR, Ribeiro DA. The impact of genetic polymorphism for detecting genotoxicity in workers occupationally exposed to formaldehyde: A systematic review. Toxicol Ind Health 2024; 40:643-652. [PMID: 39244648 DOI: 10.1177/07482337241279894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/10/2024]
Abstract
Formaldehyde is a chemical compound capable of preserving cells and tissue morphology, being extensively used worldwide in industrial and medical processes. However, due to the many biological effects that take place after an individual is chronically exposed to formaldehyde, this compound poses a greater cancer risk for workers under its occupational exposure, even at lower concentrations. Thus, the present systematic review aimed to understand whether there may be a positive relation between polymorphism (in terms of individual susceptibility) and genotoxicity in individuals occupationally exposed to formaldehyde. For this purpose, a total of eight selected studies were carefully analyzed by two reviewers, who attributed scores to each study according to the used analysis parameters. First, all studies investigated either pathologists under formaldehyde exposure or anatomical laboratory pathology workers. In addition, the majority of studies were categorized as moderate or strong in the quality assessment. The results revealed a positive association between some polymorphism and genotoxicity in individuals exposed to formaldehyde, since more than half of the studies observed positive relations between genotoxicity and polymorphisms in xenobiotics metabolizing genes. We understand such parameters influence individuals' susceptibility to genomic damage induced by formaldehyde in peripheral blood. In conclusion, individuals with certain genotypes may show higher or lower DNA damage and/or lower or higher DNA repair potential.
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Affiliation(s)
- Thiago Guedes Pinto
- Department of Biosciences, Institute of Health and Society, Federal University of São Paulo, UNIFESP, Santos, Brazil
| | - Ana Claudia Muniz Renno
- Department of Biosciences, Institute of Health and Society, Federal University of São Paulo, UNIFESP, Santos, Brazil
| | - Patricia Ramos Cury
- Department of Periodontics, School of Dentistry, Federal University of Bahia, Salvador, Brazil
| | - Daniel Araki Ribeiro
- Department of Biosciences, Institute of Health and Society, Federal University of São Paulo, UNIFESP, Santos, Brazil
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Ladeira C, Møller P, Giovannelli L, Gajski G, Haveric A, Bankoglu EE, Azqueta A, Gerić M, Stopper H, Cabêda J, Tonin FS, Collins A. The Comet Assay as a Tool in Human Biomonitoring Studies of Environmental and Occupational Exposure to Chemicals-A Systematic Scoping Review. TOXICS 2024; 12:270. [PMID: 38668493 PMCID: PMC11054096 DOI: 10.3390/toxics12040270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 03/31/2024] [Accepted: 04/02/2024] [Indexed: 04/29/2024]
Abstract
Biomonitoring of human populations exposed to chemical substances that can act as potential mutagens or carcinogens, may enable the detection of damage and early disease prevention. In recent years, the comet assay has become an important tool for assessing DNA damage, both in environmental and occupational exposure contexts. To evidence the role of the comet assay in human biomonitoring, we have analysed original research studies of environmental or occupational exposure that used the comet assay in their assessments, following the PRISMA-ScR method (preferred reporting items for systematic reviews and meta-analyses extension for scoping reviews). Groups of chemicals were designated according to a broad classification, and the results obtained from over 300 original studies (n = 123 on air pollutants, n = 14 on anaesthetics, n = 18 on antineoplastic drugs, n = 57 on heavy metals, n = 59 on pesticides, and n = 49 on solvents) showed overall higher values of DNA strand breaks in the exposed subjects in comparison with the unexposed. In summary, our systematic scoping review strengthens the relevance of the use of the comet assay in assessing DNA damage in human biomonitoring studies.
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Affiliation(s)
- Carina Ladeira
- H&TRC-Health & Technology Research Center, ESTeSL-Escola Superior de Tecnologia da Saúde, Instituto Politécnico de Lisboa, 1990-096 Lisbon, Portugal
- NOVA National School of Public Health, Public Health Research Centre, Universidade NOVA de Lisboa, 1600-560 Lisbon, Portugal
| | - Peter Møller
- Department of Public Health, Section of Environmental Health, University of Copenhagen, 1172 Copenhagen, Denmark;
| | - Lisa Giovannelli
- Department NEUROFARBA, Section Pharmacology and Toxicology, University of Florence, 50121 Florence, Italy;
| | - Goran Gajski
- Division of Toxicology, Institute for Medical Research and Occupational Health, 10000 Zagreb, Croatia; (G.G.); (M.G.)
| | - Anja Haveric
- Institute for Genetic Engineering and Biotechnology, University of Sarajevo, 71000 Sarajevo, Bosnia and Herzegovina;
| | - Ezgi Eyluel Bankoglu
- Institute of Pharmacology and Toxicology, University of Würzburg, 97078 Würzburg, Germany; (E.E.B.); (H.S.)
| | - Amaya Azqueta
- Department of Pharmaceutical Sciences, School of Pharmacy and Nutrition, University of Navarra, 31009 Pamplona, Spain;
| | - Marko Gerić
- Division of Toxicology, Institute for Medical Research and Occupational Health, 10000 Zagreb, Croatia; (G.G.); (M.G.)
| | - Helga Stopper
- Institute of Pharmacology and Toxicology, University of Würzburg, 97078 Würzburg, Germany; (E.E.B.); (H.S.)
| | - José Cabêda
- Guarda Nacional Republicana, Destacamento Territorial de Vila Franca de Xira, Núcleo de Proteção Ambiental, 1500-124 Lisbon, Portugal;
| | - Fernanda S. Tonin
- Pharmaceutical Care Research Group, Universidad de Granada, 18012 Granada, Spain;
| | - Andrew Collins
- Department of Nutrition, University of Oslo, 0316 Oslo, Norway;
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Yu G, Song X, Chen Q, Zhou Y. Silencing of peroxiredoxin III inhibits formaldehyde-induced oxidative damage of bone marrow cells in BALB/c mice. ENVIRONMENTAL TOXICOLOGY 2023; 38:2836-2844. [PMID: 37584494 DOI: 10.1002/tox.23915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 07/06/2023] [Accepted: 07/21/2023] [Indexed: 08/17/2023]
Abstract
BACKGROUND Formaldehyde (FA) is associated with the occurrence of leukemia, and oxidative stress is considered to be a major reason. As an endogenous biomarker of oxidative stress, few studies focus on the relationship between peroxiredoxin III (PrxIII) and FA toxicity. Our previous research observed high expression of PrxIII occurred in the process of apoptosis of bone marrow cells (BMCs) induced by FA, however the exact mechanism is unclear. Therefore, this paper aimed to explore the possible association between FA toxicity and PrxIII gene. METHODS We first, used a Cell Counting Kit-8 (CCK-8) to detect the viability of BMCs after they were exposed to different doses of FA (50, 100, 200 μmol/L) for different exposure time (12, 24, 48 h), then chose 24 h as an exposure time to detect the expression of PrxIII for exposing different doses of FA by Quantitative reverse transcription-PCR (qRT-PCR) and Western blot analysis. Based on our preliminary experimental results, we chose 100 μmol/L FA as an exposure dose to expose for 24 h, and used a small interfering RNA (siRNA) to silenced PrxIII to examine the cell viability by CCK-8, reactive oxygen species (ROS) level by DCFH-DA, apoptosis by Annexin V/PI double staining and cell cycle by flow cytometry (FCM) so as to explore the possible regulatory effect of PrxIII silencing on FA-induced bone marrow toxicity. RESULTS High expression of PrxIII occurred in the process of FA-induced oxidative stress. Silencing of PrxIII prevented FA from inducing oxidative stress, thus increasing cell viability, decreasing ROS level, rescuing G0 -G1 and G2 -M arrest, and reducing cell apoptosis. CONCLUSION PrxIII silencing might be a potential target for alleviating FA-induced oxidative damage.
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Affiliation(s)
- Guangyan Yu
- Department of Preventive Medicine, School of Public Health, Jilin University, Changchun, China
| | - Xiangfu Song
- Department of Preventive Medicine, School of Public Health, Jilin University, Changchun, China
| | - Qiang Chen
- Department of Preventive Medicine, School of Public Health, Jilin University, Changchun, China
| | - Yutong Zhou
- Department of Preventive Medicine, School of Public Health, Jilin University, Changchun, China
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d'Ettorre G, Caroli A, Mazzotta M. Minimizing formaldehyde exposure in a hospital pathology laboratory. Work 2021; 69:209-213. [PMID: 34024804 DOI: 10.3233/wor-213470] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND The safety and health of healthcare workers employed in pathology laboratories and exposed to formaldehyde (FA) is a matter of concern worldwide, as several health effects have been observed in workers resulting from exposure to FA, both short and long-term. OBJECTIVE The study was aimed to describe the strategy implemented in a hospital pathology laboratory to minimize workers' exposure to FA through interventions to working environment and workforce. METHODS The NIOSH 2016 method for detecting gaseous FA was adopted to perform personal and area active sampling of FA. The samples were subsequently analyzed by High Performance Liquid Chromatography. The exposure to FA was measured before and after improvement interventions. RESULTS The pre-intervention step showed FA levels exceeding the threshold limit values (TLV) established by ACGIH, both the time-weighted average (TLV-TWA) and short term exposure limit (TLV-STEL); after the improvement interventions, the median concentrations of personal and area FA sampling were respectively of 0.025 ppm (Range = 0.023-0.027) and 0.023 ppm (Range = 0.022-0.028) and significantly lower than pre-intervention step (p < 0.05) and below the TLV-TWA and TLV-STEL established by ACGIH. CONCLUSIONS In our study the workers' involvement in the risk management of FA exposure together with engineering improvements revealed a strategic way to minimize the FA pollution in the studied laboratory. Healthcare companies should consider the need to ensure the workers' participation in the management of occupational hazards, including FA, to reach the goal of healthy workplaces.
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Affiliation(s)
- Gabriele d'Ettorre
- Local Health Authority of Brindisi, Health Unit of Occupational Prevention and Protection, Brindisi, Italy
| | - Anna Caroli
- Local Health Authority of Brindisi, Health Unit of Occupational Prevention and Protection, Brindisi, Italy
| | - Mauro Mazzotta
- University of Salento, Occupational Medicine, Lecce, Italy
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Nishikawa A, Nagano K, Kojima H, Ogawa K. A comprehensive review of mechanistic insights into formaldehyde-induced nasal cavity carcinogenicity. Regul Toxicol Pharmacol 2021; 123:104937. [PMID: 33905780 DOI: 10.1016/j.yrtph.2021.104937] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Revised: 03/18/2021] [Accepted: 04/19/2021] [Indexed: 11/20/2022]
Abstract
According to the International Agency for Research on Cancer classification, formaldehyde is a human carcinogen that targets the nasal cavity. In humans and rats, inhaled formaldehyde is primarily deposited in the nasal cavity mucosa, metabolized to the less toxic formic acid, and finally excreted into the urine or exhaled. Thus, formaldehyde-induced nasal carcinogenicity may be a direct effect of formaldehyde itself, although the underlying mechanisms remain unclear. With regard to cytotoxicity, degeneration and necrosis of nasal respiratory cells occur in rats after short exposure to formaldehyde. Cell proliferation is increased in the damaged cells, suggesting its critical roles both in the early stages and throughout the entire process of nasal carcinogenicity. Hyperplasia, squamous metaplasia, and dysplasia of the damaged epithelium frequently appear as morphological precursor lesions. With regard to genotoxicity, in addition to DNA-protein crosslinks, oxidative DNA damage also occurs in the exposed nasal mucosal cells. Sustained exposure to formaldehyde may cause nasal carcinogenicity through cytotoxicity and auxiliary genotoxicity. In this review, we discuss adverse outcome pathways through which cytotoxicity can lead to carcinogenicity and the development of integrated approaches for testing and assessment for nongenotoxic carcinogens.
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Affiliation(s)
- Akiyoshi Nishikawa
- Division of Pathology, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki, Kanagawa, 210-9501, Japan; Division of Clinical Pathology, Saiseikai Utsunomiya Hospital, 911-1 Takebayashi, Utsunomiya, Tochigi, 321-0974, Japan.
| | - Kasuke Nagano
- Nagano Toxicologic-Pathology Consulting, 467-7 Ojiri, Hadano, Kanagawa, 257-0011, Japan
| | - Hajime Kojima
- Division of Risk Assessment, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki, Kanagawa, 210-9501, Japan
| | - Kumiko Ogawa
- Division of Pathology, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki, Kanagawa, 210-9501, Japan
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