Repository of Research and Investigative Information

Repository of Research and Investigative Information

Larestan University of Medical Sciences

Dietary Patterns and Risk of Invasive Ductal and Lobular Breast Carcinomas: A Systematic Review and Meta-analysis

(2020) Dietary Patterns and Risk of Invasive Ductal and Lobular Breast Carcinomas: A Systematic Review and Meta-analysis. Clinical Breast Cancer. E516-E528. ISSN 1526-8209

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Abstract

The histopathologic subtypes of breast cancer, including invasive ductal carcinoma (IDC) and invasive lobular carcinoma (ILC), differ in terms of risk factors, progression, and response to treatment. The PubMed/Medline, Web of Science, and Scopus databases were searched up to February 2020 for published studies on the association between dietary patterns (Western diet WD or Mediterranean diet WD) and the risk of IDC/ILC of breast. Multivariable adjusted relative risk (RR) and 95% confidence intervals (CIs) comparing the highest and lowest categories of WD and MD patterns were combined by using the random-effects meta-analyses. After searching the databases, 10 eligible studies on the association of diet and IDC (7 articles) and ILC (3 articles) were included in the analysis. A statistically significant adverse association was observed between MD and IDC in caseecontrol studies (RR = 0.47; 95% CI, 0.390.55; I-2 = 85.1%; P<.001). However, the association was nonsignificant in cohort studies (RR = 0.98; 95% CI, 0.921.05; I-2 = 88.8%; P = .003). The pooled analysis also suggested a significant and direct association between the WD and the risk of IDC (RR = 1.36; 95% CI, 1.18-1.53; I-2 = 63.7%; P = .017). The risk of ILC for the highest compared to the lowest category of MD was highly protective (RR = 0.76; 95% CI, 0.64-0.87; I-2 = 89.2%; P<.001), and a marginally significant association was found between the WD and risk of ILC (RR = 1.45; 95% CI, 1.04-1.86), with no heterogeneity (I-2 = 0; P = .52). This meta-analysis provides supporting evidence for the association between MD decreased risk of IDC and ILC of the breast and the association between WD and increased risk of IDC and ILC. Further investigations are needed to better understand the reasons behind the etiologic mechanisms of how dietary patterns affect patients differently by common breast cancer subtypes, including IDC and ILC. (C) 2020 Elsevier Inc. All rights reserved.

Item Type: Article
Keywords: Ductal breast neoplasm; Lobular breast neoplasm; Mediterranean diet; Meta-analysis; Risk factor; Western diet
Divisions: Education Vice-Chancellor Department > Faculty of Medicine > Department of Basic Science > Department of Nutrition
Page Range: E516-E528
Journal or Publication Title: Clinical Breast Cancer
Journal Index: ISI
Volume: 20
Number: 4
Identification Number: https://doi.org/10.1016/j.clbc.2020.03.007
ISSN: 1526-8209
Depositing User: خانم موهبت شیوخی
URI: http://eprints.larums.ac.ir/id/eprint/262

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