Repository of Research and Investigative Information

Repository of Research and Investigative Information

Ilam University of Medical Sciences

Toxic elements as biomarkers for breast cancer: a meta-analysis study

Mon Nov 28 11:26:04 2022

(2018) Toxic elements as biomarkers for breast cancer: a meta-analysis study. Cancer Management and Research. pp. 69-79. ISSN 1179-1322

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Abstract

Aims and background: Breast cancer (BC) is responsible for a large proportion of incidence of cancer in the world. Identifying the risk factors contributing to the incidence of BC is crucial to find efficient preventive and management strategies for this disease. Several studies have examined Arsenic (As), Cadmium (Cd), and Nickel (Ni) as risk factors for BC. The present study aimed at studying the link between As, Cd, and Ni concentrations and BC by using a meta-analysis. Materials and methods: All case-control studies addressing the relationship between As, Cd, and Ni concentrations with BC were identified through electronic search databases (Scopus, ISI Web of Science, PubMed, EmBase, and Cochrane Library). The relevant data obtained from these papers were analyzed by a random-effects model. The heterogeneity of studies was secured by using I-2 index. Funnel plots and Egger's test were used to examine publication bias. Results: In the present study, due to different measurement methods used for measuring As, Cd, and Ni, the concentration of these elements was measured in various subgroups (1: plasma, 2: breast tissue, and 3: scalp hair and nail) of individuals with BC and healthy subjects. The overall integration of data from the 3 groups led to the conclusion that there was a significant difference in Cd and Ni statuses between healthy and BC patients; the standard mean difference was 2.65 (95 CI: 1.57-3.73; P=0.000) and 2.06 (95 CI: 1.20-3.32; P=0.000), respectively. Whereas, there was no significant statistical difference in As status between healthy subjects and BC patients; the standard mean difference between them being 0.52 (95 CI:-0.12-1.16; P=0.114). Conclusion: The present study indicates that there is a direct and positive association between Cd and Ni concentrations and BC risk. It is a warning to health care providers and policy makers to find viable solutions and take requisite measures to reduce BC risk in the society.

Item Type: Article
Creators:
CreatorsEmail
Jouybari, L.UNSPECIFIED
Naz, M. S. G.UNSPECIFIED
Sanagoo, A.UNSPECIFIED
Kiani, F.UNSPECIFIED
Sayehmiri, F.UNSPECIFIED
Sayehmiri, K.UNSPECIFIED
Dehkordi, A. H.UNSPECIFIED
Keywords: malignancy breast cancer arsenic cadmium nickel meta-analysis toxic element neutron-activation analysis trace-elements cadmium exposure cell-proliferation drinking-water in-vitro arsenic concentrations gene-expression heavy-metals scalp hair Oncology
Divisions:
Page Range: pp. 69-79
Journal or Publication Title: Cancer Management and Research
Journal Index: ISI
Volume: 10
Identification Number: https://doi.org/10.2147/cmar.S151324
ISSN: 1179-1322
Depositing User: مهندس مهدی شریفی
URI: http://eprints.medilam.ac.ir/id/eprint/184

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