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Effects of Single Nucleotide Polymorphisms and Mediterranean Diet in Overweight or Obese Postmenopausal Women With Breast Cancer Receiving Adjuvant Hormone Therapy: A Pilot Randomized Controlled Trial

Authors
 A-Ra Cho  ;  Kyung-Won Hong  ;  Yu-Jin Kwon  ;  Ja-Eun Choi  ;  Hye-Sun Lee  ;  Hyung-Mi Kim  ;  Soong June Bae  ;  Sung Gwe Ahn  ;  Joon Jeong  ;  Ji-Won Lee 
Citation
 FRONTIERS IN NUTRITION, Vol.9 : 882717, 2022-07 
Journal Title
FRONTIERS IN NUTRITION
Issue Date
2022-07
Keywords
FTO gene ; MC4R gene ; Mediterranean diet ; breast cancer ; nutrigenetics
Abstract
Background and aims: Weight management is recommended in overweight or obese breast cancer patients, as they have an increased risk of cancer recurrence and poor prognosis. Furthermore, identifying the relationships between genetic factors and nutrition could help suggest possible individualized nutritional solutions in weight management. The objective of this pilot randomized controlled trial was to investigate the influence of two obesity-associated single nucleotide polymorphisms and the Mediterranean diet intervention on weight loss and modification of nutrient intake and metabolic parameters in overweight or obese, postmenopausal, breast cancer patients receiving adjuvant hormone therapy.

Methods: Seventy-eight breast cancer patients were randomly assigned to the Mediterranean diet (MeDiet) group or control group, and seventy-one were finally analyzed. Body composition, nutrient intake, and metabolic parameters were assessed at baseline and after the 8-week intervention. Fat mass and obesity-associated (FTO) rs7185735 and melanocortin-4 receptor (MC4R) rs476828 variants were genotyped.

Results: We found that both variants did not influence weight loss or improvement of metabolic parameters within the Mediterranean diet intervention. Intake of saturated fatty acid (SFA) and trans fat was significantly increased in C carriers compared with the TT genotype of MC4R rs476828 only in the control group (p = 0.002 for SFA; p = 0.016 for trans fat), whereas no significant difference was observed between genotypes in the MeDiet group. There were statistically significant interactions between MC4R rs476828 and dietary intervention for changes in SFA intake (p = 0.009) and trans fat intake (p = 0.049).

Conclusion: Our data suggest that considering the effects of genotype may be more necessary when the Mediterranean diet is not followed and that this diet may have a protective role against the effects of certain genotypes. Further studies are required to determine the potential mechanism of the observed gene-diet interaction.

Clinical trial registration: [www.ClinicalTrials.gov], identifier [NCT04045392].
Files in This Item:
T202202391.pdf Download
DOI
10.3389/fnut.2022.882717
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Family Medicine (가정의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Yonsei Biomedical Research Center (연세의생명연구원) > 1. Journal Papers
Yonsei Authors
Kwon, Yu-Jin(권유진) ORCID logo https://orcid.org/0000-0002-9021-3856
Bae, Soong June(배숭준) ORCID logo https://orcid.org/0000-0002-0012-9694
Ahn, Sung Gwe(안성귀) ORCID logo https://orcid.org/0000-0002-8778-9686
Lee, Ji Won(이지원) ORCID logo https://orcid.org/0000-0002-2666-4249
Lee, Hye Sun(이혜선) ORCID logo https://orcid.org/0000-0001-6328-6948
Jeong, Joon(정준) ORCID logo https://orcid.org/0000-0003-0397-0005
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/189408
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