Repository of Research and Investigative Information

Repository of Research and Investigative Information

Ilam University of Medical Sciences

The Relationship between Selenium and Lung Cancer: An Updated Systematic Review and Meta-Analysis

Sat Jul 20 19:00:24 2024

(2018) The Relationship between Selenium and Lung Cancer: An Updated Systematic Review and Meta-Analysis. International Journal of Cancer Management. p. 10. ISSN 2538-4422

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Abstract

Context: Many studies have reported contradictory results about the relationship between selenium levels and the risk of lung cancer. Objectives: This study was performed with the aim of evaluating the relationship between selenium and lung cancer. Methods: The present systematic review and meta-analysis was carried out according to preferred reporting items for systematic reviews and metaanalyses (PRISMA) guidelines. Using MeSH keywords, two reviewers independently searched international databases including PubMed, Science Direct, Cochrane, EMBASE, Web of Science, CINAHL, Scopus, and Google Scholar. The data were combined, using comprehensive Meta-Analysis Software Version 2 based on the random effects model. The tests were considered significant at P < 0.05. Results: In 15 high-quality studies including 13 case-control and 2 cohort studies, 84 199 subjects (2 434 cases and 81 765 controls) were studied. The odds ratio (OR) of lung cancer in the highest quintile of selenium exposure compared to the lowest quintile was 0.55 (95 CI: 0.35 to 0.86, P < 0.01). The results of the standardized mean difference between serum selenium concentrations in lung cancer and healthy groups in 11 studies (1446 cases and 77917 controls) was -0.32 mu g/L (95 CI: -0.53 to -0.11, P = 0.003). This value for toenails selenium in 3 studies (620 cases and 2 709 controls) was -0.13 mu g/g (95 CI: -0.22 to -0.038, P = 0.006). In subgroup analysis, it was determined that gender (P = 0.28), type of studies (P = 0.70), and measurement of selenium samples (P = 0.46) were not influencing factors. Conclusions: The results of the study indicated the preventive role of increased selenium levels in the incidence of lung cancer. Moreover, the selenium could be used as a predictive variable.

Item Type: Article
Creators:
CreatorsEmail
Talebi, S. S.UNSPECIFIED
Badfar, G.UNSPECIFIED
Shohani, M.UNSPECIFIED
Soleymani, A.UNSPECIFIED
Azami, M.UNSPECIFIED
Keywords: Selenium Antioxidants Lung Cancer Meta-Analysis serum selenium vitamin-e prostate-cancer subsequent risk prevention women association prevalence smokers trial Oncology
Divisions:
Page Range: p. 10
Journal or Publication Title: International Journal of Cancer Management
Journal Index: ISI
Volume: 11
Number: 6
Identification Number: https://doi.org/10.5812/ijcm.8370
ISSN: 2538-4422
Depositing User: مهندس مهدی شریفی
URI: http://eprints.medilam.ac.ir/id/eprint/70

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