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Apolipoprotein E Genotype, Meat, Fish, and Egg Intake in Relation to Mortality Among Older Adults: A Longitudinal Analysis in China.


ABSTRACT: Introduction: The interactions between apolipoprotein E (APOE) genotype and diet pattern changes were found significant in several trials, implying that APOE gene may modify the effect of animal protein-rich food on health outcomes. We aim to study the interaction of APOE genotype with the effect of meat, fish and egg intake on mortality. Methods: This population-based study enrolled 8,506 older adults (mean age: 81.7 years, 52.3% female) from the Chinese Longitudinal Healthy Longevity Study. The intake frequency of meat, fish and egg was assessed by 3-point questions at baseline. Cox regression was conducted to calculate the hazard ratios for all-cause mortality of intake levels of meat, fish and egg. The analyses were stratified by APOE genotype and sex. The analyses were performed in 2020. Results: In the multivariable-adjusted models, meat and fish intake was associated with all-cause mortality (high vs. low intake: meat: HR: 1.14, 95% CI: 1.01, 1.28; fish: HR: 0.83, 95% CI: 0.73, 0.95). APOE genotype have significant interactions with meat and fish intake (Ps < 0.05). Compared with low fish intake, high fish intake was associated with lower risk of mortality (HR: 0.74, 95% CI: 0.56-0.98) only among the APOE ε4 carriers. High meat intake was significantly associated with higher risks of mortality (HR: 1.13, 95% CI: 1.04-1.25) only among the APOE ε4 non-carriers. The interactive relationship was restricted among the male. No significant findings were observed between egg and mortality among carriers or non-carriers. Conclusions: Among Chinese older adults, the significance of associations of mortality with reported meat or fish intake depended on APOE-E4 carriage status. If validated by other studies, our findings provide evidence for gene-based "precision" lifestyle recommendations.

SUBMITTER: Jin X 

PROVIDER: S-EPMC8329349 | biostudies-literature | 2021

REPOSITORIES: biostudies-literature

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Apolipoprotein E Genotype, Meat, Fish, and Egg Intake in Relation to Mortality Among Older Adults: A Longitudinal Analysis in China.

Jin Xurui X   Xiong Shangzhi S   Yuan Changzheng C   Gong Enying E   Zhang Xian X   Yao Yao Y   Leng Yu Y   Niu Zhangming Z   Zeng Yi Y   Yan Lijing L LL  

Frontiers in medicine 20210720


<b>Introduction:</b> The interactions between apolipoprotein E (<i>APOE</i>) genotype and diet pattern changes were found significant in several trials, implying that <i>APOE</i> gene may modify the effect of animal protein-rich food on health outcomes. We aim to study the interaction of <i>APOE</i> genotype with the effect of meat, fish and egg intake on mortality. <b>Methods:</b> This population-based study enrolled 8,506 older adults (mean age: 81.7 years, 52.3% female) from the Chinese Longi  ...[more]

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