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Pinto AT, Machado AB, Osório H, Pinto ML, Vitorino R, Justino G, Santa C, Castro F, Cruz T, Rodrigues C, Lima J, Sousa JLR, Cardoso AP, Figueira R, Monteiro A, Marques M, Manadas B, Pauwels J, Gevaert K, Mareel M, Rocha S, Duarte T, Oliveira MJ. Macrophage Resistance to Ionizing Radiation Exposure Is Accompanied by Decreased Cathepsin D and Increased Transferrin Receptor 1 Expression. Cancers (Basel) 2022; 15:270. [PMID: 36612268 PMCID: PMC9818572 DOI: 10.3390/cancers15010270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 12/06/2022] [Accepted: 12/28/2022] [Indexed: 01/03/2023] Open
Abstract
PURPOSE To identify a molecular signature of macrophages exposed to clinically relevant ionizing radiation (IR) doses, mirroring radiotherapy sessions. METHODS Human monocyte-derived macrophages were exposed to 2 Gy/ fraction/ day for 5 days, mimicking one week of cancer patient's radiotherapy. Protein expression profile by proteomics was performed. RESULTS A gene ontology analysis revealed that radiation-induced protein changes are associated with metabolic alterations, which were further supported by a reduction of both cellular ATP levels and glucose uptake. Most of the radiation-induced deregulated targets exhibited a decreased expression, as was the case of cathepsin D, a lysosomal protease associated with cell death, which was validated by Western blot. We also found that irradiated macrophages exhibited an increased expression of the transferrin receptor 1 (TfR1), which is responsible for the uptake of transferrin-bound iron. TfR1 upregulation was also found in tumor-associated mouse macrophages upon tumor irradiation. In vitro irradiated macrophages also presented a trend for increased divalent metal transporter 1 (DMT1), which transports iron from the endosome to the cytosol, and a significant increase in iron release. CONCLUSIONS Irradiated macrophages present lower ATP levels and glucose uptake, and exhibit decreased cathepsin D expression, while increasing TfR1 expression and altering iron metabolism.
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Affiliation(s)
- Ana Teresa Pinto
- i3S–Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal
- INEB–Instituto de Engenharia Biomédica, Universidade do Porto, 4200-135 Porto, Portugal
- Department of Medical Sciences, Institute of Biomedicine (iBiMED), Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - Ana Beatriz Machado
- i3S–Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal
- INEB–Instituto de Engenharia Biomédica, Universidade do Porto, 4200-135 Porto, Portugal
- Champalimaud Centre for the Unknown, Fundação Champalimaud, 1400-038 Lisboa, Portugal
| | - Hugo Osório
- i3S–Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal
- IPATIMUP–Instituto de Patologia e Imunologia Molecular da Universidade do Porto, 4200-135 Porto, Portugal
- Departament of Pathology, Faculdade de Medicina, Universidade do Porto, 4200-319 Porto, Portugal
| | - Marta Laranjeiro Pinto
- i3S–Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal
- INEB–Instituto de Engenharia Biomédica, Universidade do Porto, 4200-135 Porto, Portugal
| | - Rui Vitorino
- Department of Medical Sciences, Institute of Biomedicine (iBiMED), Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - Gonçalo Justino
- Centro de Química Estrutural–Institute of Molecular Sciences, Instituto Superior Técnico, Universidade Técnica de Lisboa, 1049-001 Lisboa, Portugal
| | - Cátia Santa
- CNC–Center for Neuroscience and Cell Biology, Universidade de Coimbra, 3004-504 Coimbra, Portugal
- Institute for Interdisciplinary Research (III), Universidade de Coimbra, 3030-789 Coimbra, Portugal
| | - Flávia Castro
- i3S–Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal
- INEB–Instituto de Engenharia Biomédica, Universidade do Porto, 4200-135 Porto, Portugal
| | - Tânia Cruz
- i3S–Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal
- INEB–Instituto de Engenharia Biomédica, Universidade do Porto, 4200-135 Porto, Portugal
| | - Carla Rodrigues
- REQUIMTE–LAQV, Chemistry Department, NOVA School of Science and Technology, Universidade de Lisboa, 2829-516 Caparica, Portugal
| | - Jorge Lima
- i3S–Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal
- IPATIMUP–Instituto de Patologia e Imunologia Molecular da Universidade do Porto, 4200-135 Porto, Portugal
| | - José Luís R. Sousa
- Personal Health Data Science Group, Sano-Centre for Computational Personalised Medicine, 30-054 Krakow, Poland
| | - Ana Patrícia Cardoso
- i3S–Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal
- INEB–Instituto de Engenharia Biomédica, Universidade do Porto, 4200-135 Porto, Portugal
| | - Rita Figueira
- Radiotherapy Service, Centro Hospitalar Universitário São João (CHUSJ), EPE, 4200-319 Porto, Portugal
| | - Armanda Monteiro
- Radiotherapy Service, Centro Hospitalar Universitário São João (CHUSJ), EPE, 4200-319 Porto, Portugal
| | - Margarida Marques
- Radiotherapy Service, Centro Hospitalar Universitário São João (CHUSJ), EPE, 4200-319 Porto, Portugal
| | - Bruno Manadas
- Institute for Interdisciplinary Research (III), Universidade de Coimbra, 3030-789 Coimbra, Portugal
| | - Jarne Pauwels
- VIB-UGent Center for Medical Biotechnology, 9052 Ghent, Belgium
- Department of Biomolecular Medicine, Ghent University, 9052 Ghent, Belgium
| | - Kris Gevaert
- VIB-UGent Center for Medical Biotechnology, 9052 Ghent, Belgium
- Department of Biomolecular Medicine, Ghent University, 9052 Ghent, Belgium
| | - Marc Mareel
- Department of Radiation Oncology and Experimental Cancer Research, Ghent University Hospital, 9000 Ghent, Belgium
| | - Sónia Rocha
- Institute of System, Molecular and Integrative Biology, University of Liverpool, Liverpool L69 3 GE, UK
| | - Tiago Duarte
- i3S–Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal
- IBMC–Instituto de Biologia Molecular e Celular, Universidade do Porto, 4200-135 Porto, Portugal
| | - Maria José Oliveira
- i3S–Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal
- INEB–Instituto de Engenharia Biomédica, Universidade do Porto, 4200-135 Porto, Portugal
- Departament of Pathology, Faculdade de Medicina, Universidade do Porto, 4200-319 Porto, Portugal
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Continuous Exposure to Low-Dose-Rate Gamma Irradiation Reduces Airway Inflammation in Ovalbumin-Induced Asthma. PLoS One 2015; 10:e0143403. [PMID: 26588845 PMCID: PMC4654498 DOI: 10.1371/journal.pone.0143403] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2015] [Accepted: 11/04/2015] [Indexed: 11/19/2022] Open
Abstract
Although safe doses of radiation have been determined, concerns about the harmful effects of low-dose radiation persist. In particular, to date, few studies have investigated the correlation between low-dose radiation and disease development. Asthma is a common chronic inflammatory airway disease that is recognized as a major public health problem. In this study, we evaluated the effects of low-dose-rate chronic irradiation on allergic asthma in a murine model. Mice were sensitized and airway-challenged with ovalbumin (OVA) and were exposed to continuous low-dose-rate irradiation (0.554 or 1.818 mGy/h) for 24 days after initial sensitization. The effects of chronic radiation on proinflammatory cytokines and the activity of matrix metalloproteinase-9 (MMP-9) were investigated. Exposure to low-dose-rate chronic irradiation significantly decreased the number of inflammatory cells, methylcholine responsiveness (PenH value), and the levels of OVA-specific immunoglobulin E, interleukin (IL)-4, and IL-5. Furthermore, airway inflammation and the mucus production in lung tissue were attenuated and elevated MMP-9 expression and activity induced by OVA challenge were significantly suppressed. These results indicate that low-dose-rate chronic irradiation suppresses allergic asthma induced by OVA challenge and does not exert any adverse effects on asthma development. Our findings can potentially provide toxicological guidance for the safe use of radiation and relieve the general anxiety about exposure to low-dose radiation.
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Li X, Li X, Chi X, Luo G, Yuan D, Sun G, Hei Z. Ulinastatin ameliorates acute kidney injury following liver transplantation in rats and humans. Exp Ther Med 2014; 9:411-416. [PMID: 25574207 PMCID: PMC4280962 DOI: 10.3892/etm.2014.2088] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2014] [Accepted: 11/05/2014] [Indexed: 12/21/2022] Open
Abstract
Acute kidney injury (AKI) is a common complication following orthotopic liver transplantation (OLT) that evidently affects prognosis. However, no effective treatment exists for AKI. The aim of the present study was to elucidate whether ulinastatin application during OLT in humans can reduce kidney damage and improve renal function. In addition, the underlying mechanisms of ulinastatin were investigated on a rat autologous OLT (AOLT) model. In total, 60 patients undergoing an OLT were randomly selected to receive ulinastatin (U group; n=30) or saline (C group; n=30) during the OLT surgery. The patient demographics, AKI incidence rate, recovery indicators and renal injury indexes were measured during the perioperative period. In addition to the clinical trials, 40 rats were subjected to an AOLT and were divided into the control (C-R), sham-operation and ulinastatin treatment groups. Pathological renal damage, biomarkers of inflammation and oxidative stress were measured to investigate the effects and possible mechanisms of ulinastatin on AKI. In the clinical trials, ulinastatin application was shown to attenuate the incidence of AKI following OLT (P<0.05) and reduce the serum levels of cystatin C and urinary β2 microglobulin within 24 h of the OLT (P<0.05). Furthermore, ulinastatin was found to significantly improve the recovery of patients by reducing the time spent in the intensive care unit (P<0.01 vs. C group), the ventilation time and the hemodialysis rates (P<0.05 vs. C group). In the rat AOLT model, ulinastatin application was also shown to relieve renal pathological damage by reducing the serum cystatin C and creatinine levels. Notably, the levels of tumor necrosis factor-α, interleukin-6, hydrogen peroxide and reactive oxygen species were evidently reduced, while the level of superoxide dismutase was increased in the ulinastatin groups (P<0.05, vs. C-R group). In conclusion, ulinastatin application was demonstrated to protect against AKI following OLT by inhibiting inflammation and oxidation.
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Affiliation(s)
- Xiaoyun Li
- Department of Anesthesiology, Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510630, P.R. China
| | - Xiang Li
- Department of Anesthesiology, Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510630, P.R. China
| | - Xinjin Chi
- Department of Anesthesiology, Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510630, P.R. China
| | - Gangjian Luo
- Department of Anesthesiology, Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510630, P.R. China
| | - Dongdong Yuan
- Department of Anesthesiology, Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510630, P.R. China
| | - Guoliang Sun
- Department of Anesthesiology, Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510630, P.R. China
| | - Ziqing Hei
- Department of Anesthesiology, Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510630, P.R. China
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