A Systematic Review and Meta-Analysis on the Effect of Flavonoids on Insulin-like Growth Factor and Insulin-like Growth Factor Binding Protein and Incidence of Breast Cancer.

Erfan Sadeghi, Jaleh Varshosaz, Shiva Nasr, Athar Nakisa, Setareh Jandaghian, Monireh Kouhi

Journal: Current medicinal chemistry 2023;30(14):1657-1666

PMID: 35927904

Abstract

BACKGROUND

Insulin-like growth factor (IGF-1) is associated with breast cancer in menopausal women. Naturally occurring biomolecules found in common dietary protocols, such as flavonoids, play a key role in the inhibition and treatment of cancer. In-vitro/in-vivo studies showed that treatment involving flavonoids led to a reduced risk of breast cancer due to the decrease of IGF-1 level in addition to an increased insulin-like growth factor binding protein (IGFBP)-3. However, clinical studies did not show conclusive results in this regard because they are contradictory.

OBJECTIVE

The aim of the present study was to find the effect of flavonoids on IGF-1 and IGFBP-3 and the incidence of breast cancer.

METHODS

This systematic review was performed using PubMed, Scopus, ISI Web of Science, and EMBASE databases to collect results about the clinical use of flavonoids and their effects on breast cancer. After eliminating duplicate articles, the title and abstract of the remaining articles were examined in thematic communication, and related clinical articles were selected and studied based on inclusion criteria. The data were extracted from each article, and then statistical analysis was subsequently carried out by Comprehensive Meta-Analysis.

RESULTS

The results showed that the effect of flavonoids on changes in IGF1 and IGFBP-3 was not statistically significant. No significant heterogeneity was detected across the studies. Pooled effect size also indicated that the mean change was not statistically significant. No significant heterogeneity was detected across the studies. There was no evidence of publication bias for IGF1 and IGFBP-3.

CONCLUSION

This meta-analysis study suggests that flavonoid supplementations have no significant effect on IGF-1 and IGFBP-3, and a high soy diet has beneficial effects on IGF system components, which might be useful in breast cancer.

Address: Department of Pharmaceutics, School of Pharmacy and Novel Drug Delivery Systems Research Centre, Isfahan University of Medical Sciences, Isfahan, Iran.; Organic Chemistry Laboratory, Department of Chemistry, Tarbiat Modares University, Tehran, Iran.; Applied Physiology Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran.; Dental Materials Research Center, Dental Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran.; Department of Biostatistics and Epidemiology, Faculty of Health, Isfahan University of Medical Sciences, Isfahan, Iran.

DOI: 10.2174/0929867329666220801164740

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MeSH Terms: Female, Humans, Insulin-Like Growth Factor I, Breast Neoplasms, Incidence, Flavonoids, Insulin-Like Growth Factor Binding Proteins