Dietary omega-3 fatty acids and endometrial cancer risk in the Epidemiology of Endometrial Cancer Consortium: An individual-participant meta-analysis.
Endometrial cancer
Fatty acid
Omega-3
Polyunsaturated
Uterine cancer
Journal
Gynecologic oncology
ISSN: 1095-6859
Titre abrégé: Gynecol Oncol
Pays: United States
ID NLM: 0365304
Informations de publication
Date de publication:
02 2023
02 2023
Historique:
received:
08
06
2022
revised:
10
10
2022
accepted:
18
10
2022
entrez:
19
3
2023
pubmed:
20
3
2023
medline:
22
3
2023
Statut:
ppublish
Résumé
Limited data from prospective studies suggest that higher dietary intake of long-chain omega-3 polyunsaturated fatty acids (LCn3PUFA), which hold anti-inflammatory properties, may reduce endometrial cancer risk; particularly among certain subgroups characterized by body mass and tumor pathology. Data from 12 prospective cohort studies participating in the Epidemiology of Endometrial Cancer Consortium were harmonized as nested case-control studies, including 7268 endometrial cancer cases and 26,133 controls. Habitual diet was assessed by food frequency questionnaire, from which fatty acid intakes were estimated. Two-stage individual-participant data mixed effects meta-analysis estimated adjusted odds ratios (OR) and 95% confidence intervals (CI) through logistic regression for associations between study-specific energy-adjusted quartiles of LCn3PUFA and endometrial cancer risk. Women with the highest versus lowest estimated dietary intakes of docosahexaenoic acid, the most abundant LCn3PUFA in diet, had a 9% increased endometrial cancer risk (Quartile 4 vs. Quartile 1: OR 1.09, 95% CI: 1.01-1.19; P trend = 0.04). Similar elevated risks were observed for the summary measure of total LCn3PUFA (OR 1.07, 95% CI: 0.99-1.16; P trend = 0.06). Stratified by body mass index, higher intakes of LCn3PUFA were associated with 12-19% increased endometrial cancer risk among overweight/obese women and no increased risk among normal-weight women. Higher associations appeared restricted to White women. The results did not differ by cancer grade. Higher dietary intakes of LCn3PUFA are unlikely to reduce endometrial cancer incidence; rather, they may be associated with small to moderate increases in risk in some subgroups of women, particularly overweight/obese women.
Sections du résumé
BACKGROUND
Limited data from prospective studies suggest that higher dietary intake of long-chain omega-3 polyunsaturated fatty acids (LCn3PUFA), which hold anti-inflammatory properties, may reduce endometrial cancer risk; particularly among certain subgroups characterized by body mass and tumor pathology.
MATERIALS AND METHODS
Data from 12 prospective cohort studies participating in the Epidemiology of Endometrial Cancer Consortium were harmonized as nested case-control studies, including 7268 endometrial cancer cases and 26,133 controls. Habitual diet was assessed by food frequency questionnaire, from which fatty acid intakes were estimated. Two-stage individual-participant data mixed effects meta-analysis estimated adjusted odds ratios (OR) and 95% confidence intervals (CI) through logistic regression for associations between study-specific energy-adjusted quartiles of LCn3PUFA and endometrial cancer risk.
RESULTS
Women with the highest versus lowest estimated dietary intakes of docosahexaenoic acid, the most abundant LCn3PUFA in diet, had a 9% increased endometrial cancer risk (Quartile 4 vs. Quartile 1: OR 1.09, 95% CI: 1.01-1.19; P trend = 0.04). Similar elevated risks were observed for the summary measure of total LCn3PUFA (OR 1.07, 95% CI: 0.99-1.16; P trend = 0.06). Stratified by body mass index, higher intakes of LCn3PUFA were associated with 12-19% increased endometrial cancer risk among overweight/obese women and no increased risk among normal-weight women. Higher associations appeared restricted to White women. The results did not differ by cancer grade.
CONCLUSION
Higher dietary intakes of LCn3PUFA are unlikely to reduce endometrial cancer incidence; rather, they may be associated with small to moderate increases in risk in some subgroups of women, particularly overweight/obese women.
Identifiants
pubmed: 36934308
pii: S0090-8258(22)01892-3
doi: 10.1016/j.ygyno.2022.10.015
pmc: PMC10025515
mid: NIHMS1848176
pii:
doi:
Substances chimiques
Fatty Acids, Omega-3
0
Types de publication
Meta-Analysis
Journal Article
Research Support, N.I.H., Intramural
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
137-146Subventions
Organisme : NCI NIH HHS
ID : P30 CA016056
Pays : United States
Organisme : NCI NIH HHS
ID : P01 CA087969
Pays : United States
Organisme : NCI NIH HHS
ID : U01 CA250476
Pays : United States
Organisme : NCI NIH HHS
ID : R01 CA058598
Pays : United States
Organisme : NHLBI NIH HHS
ID : HHSN268201100046C
Pays : United States
Organisme : WHI NIH HHS
ID : HHSN268201100003C
Pays : United States
Organisme : NHLBI NIH HHS
ID : HHSN268201000046C
Pays : United States
Organisme : NCI NIH HHS
ID : P01 CA033619
Pays : United States
Organisme : WHI NIH HHS
ID : HHSN268201100002C
Pays : United States
Organisme : NCI NIH HHS
ID : R01 CA098346
Pays : United States
Organisme : NHLBI NIH HHS
ID : HHSN268201100003I
Pays : United States
Organisme : NHLBI NIH HHS
ID : HHSN268201100002I
Pays : United States
Organisme : NCI NIH HHS
ID : U01 CA202979
Pays : United States
Organisme : Intramural NIH HHS
ID : ZIA CP010196
Pays : United States
Organisme : NCI NIH HHS
ID : P30 CA118100
Pays : United States
Organisme : NCI NIH HHS
ID : U01 CA164974
Pays : United States
Organisme : NCI NIH HHS
ID : R03 CA212808
Pays : United States
Organisme : NHLBI NIH HHS
ID : HHSN268201100004I
Pays : United States
Organisme : NCI NIH HHS
ID : R01 CA082838
Pays : United States
Organisme : NCI NIH HHS
ID : P30 CA008748
Pays : United States
Organisme : NCI NIH HHS
ID : R03 CA135632
Pays : United States
Organisme : NCI NIH HHS
ID : R01 CA058420
Pays : United States
Organisme : NHLBI NIH HHS
ID : HHSN268201100006C
Pays : United States
Organisme : NCI NIH HHS
ID : R01 CA039742
Pays : United States
Organisme : NCI NIH HHS
ID : R01 CA083918
Pays : United States
Organisme : NCI NIH HHS
ID : P30 CA071789
Pays : United States
Organisme : NCI NIH HHS
ID : U01 CA164973
Pays : United States
Organisme : WHI NIH HHS
ID : HHSN268201100004C
Pays : United States
Organisme : NCI NIH HHS
ID : R03 CA169888
Pays : United States
Informations de copyright
Copyright © 2022 Elsevier Inc. All rights reserved.
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