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Brandão F, Costa C, Bessa MJ, Dumortier E, Debacq-Chainiaux F, Hubaux R, Salmon M, Laloy J, Stan MS, Hermenean A, Gharbia S, Dinischiotu A, Bannuscher A, Hellack B, Haase A, Fraga S, Teixeira JP. Genotoxicity and Gene Expression in the Rat Lung Tissue following Instillation and Inhalation of Different Variants of Amorphous Silica Nanomaterials (aSiO 2 NM). Nanomaterials (Basel) 2021; 11:1502. [PMID: 34200147 PMCID: PMC8228975 DOI: 10.3390/nano11061502] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 05/27/2021] [Accepted: 06/03/2021] [Indexed: 12/15/2022]
Abstract
Several reports on amorphous silica nanomaterial (aSiO2 NM) toxicity have been questioning their safety. Herein, we investigated the in vivo pulmonary toxicity of four variants of aSiO2 NM: SiO2_15_Unmod, SiO2_15_Amino, SiO2_7 and SiO2_40. We focused on alterations in lung DNA and protein integrity, and gene expression following single intratracheal instillation in rats. Additionally, a short-term inhalation study (STIS) was carried out for SiO2_7, using TiO2_NM105 as a benchmark NM. In the instillation study, a significant but slight increase in oxidative DNA damage in rats exposed to the highest instilled dose (0.36 mg/rat) of SiO2_15_Amino was observed in the recovery (R) group. Exposure to SiO2_7 or SiO2_40 markedly increased oxidative DNA lesions in rat lung cells of the exposure (E) group at every tested dose. This damage seems to be repaired, since no changes compared to controls were observed in the R groups. In STIS, a significant increase in DNA strand breaks of the lung cells exposed to 0.5 mg/m3 of SiO2_7 or 50 mg/m3 of TiO2_NM105 was observed in both groups. The detected gene expression changes suggest that oxidative stress and/or inflammation pathways are likely implicated in the induction of (oxidative) DNA damage. Overall, all tested aSiO2 NM were not associated with marked in vivo toxicity following instillation or STIS. The genotoxicity findings for SiO2_7 from instillation and STIS are concordant; however, changes in STIS animals were more permanent/difficult to revert.
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Affiliation(s)
- Fátima Brandão
- EPIUnit—Instituto de Saúde Pública, Universidade do Porto, Rua das Taipas, 4050-600 Porto, Portugal; (F.B.); (C.C.); (M.J.B.); (J.P.T.)
- Laboratory for Integrative and Translational Research in Population Health (ITR), 4050-600 Porto, Portugal
- Environmental Health Department, National Institute of Health Dr. Ricardo Jorge, Rua Alexandre Herculano 321, 4000-053 Porto, Portugal
- ICBAS—Institute of Biomedical Sciences Abel Salazar, U. Porto—University of Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal
| | - Carla Costa
- EPIUnit—Instituto de Saúde Pública, Universidade do Porto, Rua das Taipas, 4050-600 Porto, Portugal; (F.B.); (C.C.); (M.J.B.); (J.P.T.)
- Laboratory for Integrative and Translational Research in Population Health (ITR), 4050-600 Porto, Portugal
- Environmental Health Department, National Institute of Health Dr. Ricardo Jorge, Rua Alexandre Herculano 321, 4000-053 Porto, Portugal
| | - Maria João Bessa
- EPIUnit—Instituto de Saúde Pública, Universidade do Porto, Rua das Taipas, 4050-600 Porto, Portugal; (F.B.); (C.C.); (M.J.B.); (J.P.T.)
- Laboratory for Integrative and Translational Research in Population Health (ITR), 4050-600 Porto, Portugal
- Environmental Health Department, National Institute of Health Dr. Ricardo Jorge, Rua Alexandre Herculano 321, 4000-053 Porto, Portugal
- ICBAS—Institute of Biomedical Sciences Abel Salazar, U. Porto—University of Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal
| | - Elise Dumortier
- Unité de Recherche en Biologie Cellulaire (URBC), Namur Research Institute for Life Sciences (Narilis), University of Namur, 5000 Namur, Belgium; (E.D.); (F.D.-C.)
| | - Florence Debacq-Chainiaux
- Unité de Recherche en Biologie Cellulaire (URBC), Namur Research Institute for Life Sciences (Narilis), University of Namur, 5000 Namur, Belgium; (E.D.); (F.D.-C.)
| | - Roland Hubaux
- StratiCELL Laboratories, Research and Development, 5032 Les Isnes, Belgium; (R.H.); (M.S.)
| | - Michel Salmon
- StratiCELL Laboratories, Research and Development, 5032 Les Isnes, Belgium; (R.H.); (M.S.)
| | - Julie Laloy
- Namur Nanosafety Centre, Department of Pharmacy, Namur Research Institute for Life Sciences (Narilis), University of Namur, 5000 Namur, Belgium;
| | - Miruna S. Stan
- Department of Biochemistry and Molecular Biology, University of Bucharest, 050095 Bucharest, Romania; (M.S.S.); (A.H.); (S.G.); (A.D.)
| | - Anca Hermenean
- Department of Biochemistry and Molecular Biology, University of Bucharest, 050095 Bucharest, Romania; (M.S.S.); (A.H.); (S.G.); (A.D.)
- “Aurel Ardelean” Institute of Life Sciences, “Vasile Goldis” Western University of Arad, 310414 Arad, Romania
| | - Sami Gharbia
- Department of Biochemistry and Molecular Biology, University of Bucharest, 050095 Bucharest, Romania; (M.S.S.); (A.H.); (S.G.); (A.D.)
- “Aurel Ardelean” Institute of Life Sciences, “Vasile Goldis” Western University of Arad, 310414 Arad, Romania
| | - Anca Dinischiotu
- Department of Biochemistry and Molecular Biology, University of Bucharest, 050095 Bucharest, Romania; (M.S.S.); (A.H.); (S.G.); (A.D.)
| | - Anne Bannuscher
- Department of Chemical and Product Safety, German Federal Institute for Risk Assessment (BfR), 10589 Berlin, Germany; (A.B.); (A.H.)
- Adolphe Merkle Institute (AMI), University of Fribourg, 1700 Fribourg, Switzerland
| | - Bryan Hellack
- Institute of Energy and Environmental Technology (IUTA) e.V., 47229 Duisburg, Germany;
- German Environment Agency (UBA), 06844 Dessau-Roβlau, Germany
| | - Andrea Haase
- Department of Chemical and Product Safety, German Federal Institute for Risk Assessment (BfR), 10589 Berlin, Germany; (A.B.); (A.H.)
| | - Sónia Fraga
- EPIUnit—Instituto de Saúde Pública, Universidade do Porto, Rua das Taipas, 4050-600 Porto, Portugal; (F.B.); (C.C.); (M.J.B.); (J.P.T.)
- Laboratory for Integrative and Translational Research in Population Health (ITR), 4050-600 Porto, Portugal
- Environmental Health Department, National Institute of Health Dr. Ricardo Jorge, Rua Alexandre Herculano 321, 4000-053 Porto, Portugal
| | - João Paulo Teixeira
- EPIUnit—Instituto de Saúde Pública, Universidade do Porto, Rua das Taipas, 4050-600 Porto, Portugal; (F.B.); (C.C.); (M.J.B.); (J.P.T.)
- Laboratory for Integrative and Translational Research in Population Health (ITR), 4050-600 Porto, Portugal
- Environmental Health Department, National Institute of Health Dr. Ricardo Jorge, Rua Alexandre Herculano 321, 4000-053 Porto, Portugal
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Boilan E, Winant V, Dumortier E, ElMoualij B, Quatresooz P, Osiewacz HD, Debacq-Chainiaux F, Toussaint O. Role of Prion protein in premature senescence of human fibroblasts. Mech Ageing Dev 2017; 170:106-113. [PMID: 28800967 DOI: 10.1016/j.mad.2017.08.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Revised: 06/29/2017] [Accepted: 08/03/2017] [Indexed: 01/07/2023]
Abstract
Prion protein (PrP) is essentially known for its capacity to induce neurodegenerative prion diseases in mammals caused by a conformational change in its normal cellular isoform (PrPC) into an infectious and disease-associated misfolded form, called scrapie isoform (PrPSc). Although its sequence is highly conserved, less information is available on its physiological role under normal conditions. However, increasing evidence supports a role for PrPC in the cellular response to oxidative stress. In the present study, a new link between PrP and senescence is highlighted. The role of PrP in premature senescence induced by copper was investigated. WI-38 human fibroblasts were incubated with copper sulfate (CuSO4) to trigger premature senescence. This induced an increase of PrP mRNA level, an increase of protein abundance of the normal form of PrP and a nuclear localization of the protein. Knockdown of PrP expression using specific small interfering RNA (siRNA) gave rise to appearance of several biomarkers of senescence as a senescent morphology, an increase of senescence associated β-galactosidase activity and a decrease of the cellular proliferative potential. Overall these data suggest that PrP protects cells against premature senescence induced by copper.
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Affiliation(s)
- Emmanuelle Boilan
- Unité de Recherche en Biologie Cellulaire (URBC) - Namur Research Institute for Life Sciences (Narilis), University of Namur, Belgium.
| | - Virginie Winant
- Unité de Recherche en Biologie Cellulaire (URBC) - Namur Research Institute for Life Sciences (Narilis), University of Namur, Belgium
| | - Elise Dumortier
- Unité de Recherche en Biologie Cellulaire (URBC) - Namur Research Institute for Life Sciences (Narilis), University of Namur, Belgium
| | | | | | - Heinz D Osiewacz
- Institute of Molecular Biosciences, Johann Wolfgang Goethe University, Frankfurt am Main, Germany
| | - Florence Debacq-Chainiaux
- Unité de Recherche en Biologie Cellulaire (URBC) - Namur Research Institute for Life Sciences (Narilis), University of Namur, Belgium.
| | - Olivier Toussaint
- Unité de Recherche en Biologie Cellulaire (URBC) - Namur Research Institute for Life Sciences (Narilis), University of Namur, Belgium
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Piret JP, Bondarenko OM, Boyles MSP, Himly M, Ribeiro AR, Benetti F, Smal C, Lima B, Potthoff A, Simion M, Dumortier E, Leite PEC, Balottin LB, Granjeiro JM, Ivask A, Kahru A, Radauer-Preiml I, Tischler U, Duschl A, Saout C, Anguissola S, Haase A, Jacobs A, Nelissen I, Misra SK, Toussaint O. Pan-European inter-laboratory studies on a panel of in vitro cytotoxicity and pro-inflammation assays for nanoparticles. Arch Toxicol 2016; 91:2315-2330. [DOI: 10.1007/s00204-016-1897-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Accepted: 11/24/2016] [Indexed: 10/20/2022]
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Boilan E, Winant V, Dumortier E, Piret JP, Bonfitto F, Osiewacz HD, Debacq-Chainiaux F, Toussaint O. Role of p38MAPK and oxidative stress in copper-induced senescence. Age (Dordr) 2013; 35:2255-2271. [PMID: 23576095 PMCID: PMC3824981 DOI: 10.1007/s11357-013-9521-3] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2012] [Accepted: 03/08/2013] [Indexed: 06/02/2023]
Abstract
In the present work, we indicate that copper is involved in the senescence of human diploid fibroblasts and we describe mechanisms to explain it. Using different techniques, we show for the first time an accumulation of copper in cells during replicative senescence. This accumulation seems to be co-localized with lipofuscin. Second, we observed that an incubation of cells with copper sulfate induced oxidative stress, antioxidant response and premature senescence. Antioxidant molecules reduced the appearance of premature senescence. Third, we found that Nrf2 transcription factor was activated and regulated the expression of genes involved in antioxidant response while p38(MAPK) regulated the appearance of premature senescence.
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Affiliation(s)
- Emmanuelle Boilan
- />NARILIS URBC, University of Namur (FUNDP), 61, rue de Bruxelles, 5000 Namur, Belgium
| | - Virginie Winant
- />NARILIS URBC, University of Namur (FUNDP), 61, rue de Bruxelles, 5000 Namur, Belgium
| | - Elise Dumortier
- />NARILIS URBC, University of Namur (FUNDP), 61, rue de Bruxelles, 5000 Namur, Belgium
| | - Jean-Pascal Piret
- />NARILIS URBC, University of Namur (FUNDP), 61, rue de Bruxelles, 5000 Namur, Belgium
| | - François Bonfitto
- />NARILIS URBC, University of Namur (FUNDP), 61, rue de Bruxelles, 5000 Namur, Belgium
| | - Heinz D. Osiewacz
- />Institute of Molecular Biosciences, Johann Wolfgang Goethe University, Frankfurt am Main, Germany
| | | | - Olivier Toussaint
- />NARILIS URBC, University of Namur (FUNDP), 61, rue de Bruxelles, 5000 Namur, Belgium
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