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Forte G, Bocca B, Pisano A, Collu C, Farace C, Sabalic A, Senofonte M, Fois AG, Mazzarello VL, Pirina P, Madeddu R. The levels of trace elements in sputum as biomarkers for idiopathic pulmonary fibrosis. CHEMOSPHERE 2021; 271:129514. [PMID: 33434828 DOI: 10.1016/j.chemosphere.2020.129514] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Revised: 12/18/2020] [Accepted: 12/29/2020] [Indexed: 06/12/2023]
Abstract
Idiopathic pulmonary fibrosis (IPF) is a rare lung disease that quickly leads to death. This paper addressed the issue of whether the levels of trace elements in sputum samples are suitable biomarkers for IPF disease. The sputum Cd, Cr, Cu, Fe, Mn, Ni, Pb and Zn concentrations were measured by sector field inductively coupled plasma mass spectrometry in populations sampled in Sardinia Island (Italy) including 31 patients with IPF, 31 patients with other lung-related diseases and 30 age- and gender-matched healthy controls. Risk factors in the disease as gender, age, severity and duration of the disease were assessed. Results showed that IPF patients had significantly increased sputum levels of Cd, Cr, Cu and Pb respect to controls. In males, but not in females, sputum levels of Cd, Cr and Cu were significantly higher in IPF cases respect to controls. In addition, Cr and Pb were increased in male patients with IPF compared to male patients with other lung diseases. Regarding Zn, it was found higher with the more serious stage of disease. Moreover, the ratios Cu/Zn, Fe/Mn and Cu/Mn were significantly increased in IPF patients and in non-IPF patients than in control subjects. These data showed clear increases in the concentration of some trace elements in sputum from patients with IPF and patients with other lung-related diseases that may contribute to the injury. The non-invasiveness of the sputum analysis is beneficial for its use as biomarker of trace element status in diseased patients for both the researcher and the clinic.
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Affiliation(s)
- Giovanni Forte
- Department of Environment and Health, Italian National Institute for Health, Rome, Italy
| | - Beatrice Bocca
- Department of Environment and Health, Italian National Institute for Health, Rome, Italy.
| | - Andrea Pisano
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy
| | - Claudia Collu
- Department of Clinical, Surgical & Experimental Sciences, University of Sassari, Sassari, Italy
| | - Cristiano Farace
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy
| | - Angela Sabalic
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy
| | - Marta Senofonte
- Department of Environment and Health, Italian National Institute for Health, Rome, Italy
| | | | | | - Pietro Pirina
- Department of Clinical, Surgical & Experimental Sciences, University of Sassari, Sassari, Italy
| | - Roberto Madeddu
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy
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Forte G, Fadda C, Bocca B, Erre GL, Passiu G, Madeddu R. Association Between Exposure to Heavy Metals and Systemic Sclerosis: the Levels of Al, Cd, Hg, and Pb in Blood and Urine of Patients. Biol Trace Elem Res 2019; 190:1-10. [PMID: 30215191 DOI: 10.1007/s12011-018-1509-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Accepted: 09/04/2018] [Indexed: 12/14/2022]
Abstract
Systemic sclerosis (SSc) is a multisystem connective tissue disease; exogenous factors-including heavy metals-may have a role in the disease pathogenesis. In this context, a study on the quantification of Al, Cd, Hg, and Pb in blood and urine of 27 SSc patients and 30 controls was carried out. Main findings were that Al was significantly depleted in blood and increased in urine of SSc patients respect to controls; and Pb was found slightly increased in blood and significantly decreased in SSc group. In addition, higher Hg levels in urine were found in SSc subjects with the higher severity of the disease. Females showed the most marked differences in the levels of blood Al, blood Pb, and urine Cd between patients and controls. Smoking, hobby, ingestion of contaminated food, job exposure may contribute to the bodily levels of Al, Hg, Pb in SSc patients. The results indicated that low, chronic, and multiple exposures to heavy metals-also through habits, diet, and environment-may influence the risk for SSc.
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Affiliation(s)
- Giovanni Forte
- Italian National Institute for Health, Environment and Health Department, Viale Regina Elena, 299, 00161, Rome, Italy
| | - Carlo Fadda
- Department of Biomedical Sciences - Histology, University of Sassari, Sassari, Italy
| | - Beatrice Bocca
- Italian National Institute for Health, Environment and Health Department, Viale Regina Elena, 299, 00161, Rome, Italy.
| | | | - Giuseppe Passiu
- Department of Medical, Surgery and Experimental Sciences, University of Sassari, Sassari, Italy
| | - Roberto Madeddu
- Department of Biomedical Sciences - Histology, University of Sassari, Sassari, Italy
- National Institute of Biostructures and Biosystems, Rome, Italy
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Oggiano R, Solinas G, Forte G, Bocca B, Farace C, Pisano A, Sotgiu MA, Clemente S, Malaguarnera M, Fois AG, Pirina P, Montella A, Madeddu R. Trace elements in ALS patients and their relationships with clinical severity. CHEMOSPHERE 2018; 197:457-466. [PMID: 29366958 DOI: 10.1016/j.chemosphere.2018.01.076] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2017] [Revised: 01/06/2018] [Accepted: 01/15/2018] [Indexed: 06/07/2023]
Abstract
An exploratory study of trace elements in ALS and their relationships with clinical severity was detected. Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disorder that causes irreversible damage in humans, with the consequent loss of function of motoneurons (MNs), with a prognosis up to 5 years after diagnosis. Except to genetic rare cases it is not known the etiology of the disorder. Aim of our research is to investigate the possible role of heavy metals in the severity of the disease. In this study, by the use of plasma mass (ICP-MS), we have analyzed the content of essential and heavy metals such: Pb, Cd, Al, Hg, Mn, Fe, Cu, Zn, Se, Mg, and Ca, in blood, urine and hair of ALS patients and controls; moreover we divided the patients in two groups for disease severity and analyzed the difference among the groups, in order to study a possible involvement of metals in the severity of the damage. Our results suggest a protective role of Selenium, involved in protective antioxidant mechanisms, and a risk factor in the case of presence of Lead in blood. The levels of the other metals are not easy to interpret, because these may be due to life style and for essential metals a consequence of the disease condition, not a cause.
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Affiliation(s)
- Riccardo Oggiano
- Department of Biomedical Sciences - Histology, University of Sassari, Sassari, Italy
| | - Giuliana Solinas
- Department of Biomedical Sciences - Hygiene, University of Sassari, Sassari, Italy
| | - Giovanni Forte
- Department of Environment and Health, Istituto Superiore di Sanità, Rome, Italy
| | - Beatrice Bocca
- Department of Environment and Health, Istituto Superiore di Sanità, Rome, Italy
| | - Cristiano Farace
- Department of Biomedical Sciences - Histology, University of Sassari, Sassari, Italy
| | - Andrea Pisano
- Department of Biomedical Sciences - Histology, University of Sassari, Sassari, Italy
| | | | | | - Michele Malaguarnera
- Department of Medical and Pediatric Science, Research Centre "The Great Senescence", University of Catania, Catania, Italy
| | - Alessandro Giuseppe Fois
- Department of Clinical and Experimental Medicine - Institute of Respiratory Diseases, University of Sassari, Sassari, Italy
| | - Pietro Pirina
- Department of Clinical and Experimental Medicine - Institute of Respiratory Diseases, University of Sassari, Sassari, Italy
| | - Andrea Montella
- Department of Biomedical Sciences- Human Anatomy, University of Sassari, Sassari, Italy
| | - Roberto Madeddu
- Department of Biomedical Sciences - Histology, University of Sassari, Sassari, Italy; National Institute of Biostructures and Biosystems, Rome, Italy.
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Level of neurotoxic metals in amyotrophic lateral sclerosis: A population-based case–control study. J Neurol Sci 2015; 359:11-7. [DOI: 10.1016/j.jns.2015.10.023] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2015] [Revised: 09/18/2015] [Accepted: 10/12/2015] [Indexed: 12/13/2022]
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