APOE4 is associated with elevated blood lipids and lower levels of innate immune biomarkers in a tropical Amerindian subsistence population
In post-industrial settings, apolipoprotein E4 (APOE4) is associated with increased cardiovascular and neurological disease risk. However, the majority of human evolutionary history occurred in environments with higher pathogenic diversity and low cardiovascular risk. We hypothesize that in high-pat...
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eLife Sciences Publications Ltd
2021
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oai:doaj.org-article:0a3db5e60d954d4f846826abf855dc082021-11-25T10:20:53ZAPOE4 is associated with elevated blood lipids and lower levels of innate immune biomarkers in a tropical Amerindian subsistence population10.7554/eLife.682312050-084Xe68231https://doaj.org/article/0a3db5e60d954d4f846826abf855dc082021-09-01T00:00:00Zhttps://elifesciences.org/articles/68231https://doaj.org/toc/2050-084XIn post-industrial settings, apolipoprotein E4 (APOE4) is associated with increased cardiovascular and neurological disease risk. However, the majority of human evolutionary history occurred in environments with higher pathogenic diversity and low cardiovascular risk. We hypothesize that in high-pathogen and energy-limited contexts, the APOE4 allele confers benefits by reducing innate inflammation when uninfected, while maintaining higher lipid levels that buffer costs of immune activation during infection. Among Tsimane forager-farmers of Bolivia (N = 1266, 50% female), APOE4 is associated with 30% lower C-reactive protein, and higher total cholesterol and oxidized LDL. Blood lipids were either not associated, or negatively associated with inflammatory biomarkers, except for associations of oxidized LDL and inflammation which were limited to obese adults. Further, APOE4 carriers maintain higher levels of total and LDL cholesterol at low body mass indices (BMIs). These results suggest that the relationship between APOE4 and lipids may be beneficial for pathogen-driven immune responses and unlikely to increase cardiovascular risk in an active subsistence population.Angela R GarciaCaleb FinchMargaret GatzThomas KraftDaniel Eid RodriguezDaniel CummingsMia CharifsonKenneth BuetowBret A BeheimHooman AllayeeGregory S ThomasJonathan StieglitzMichael D GurvenHillard KaplanBenjamin C TrumbleeLife Sciences Publications LtdarticleAPOEAlzheimer's diseasedementiacardiovascular diseasecholesterolinflammationMedicineRScienceQBiology (General)QH301-705.5ENeLife, Vol 10 (2021) |
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APOE Alzheimer's disease dementia cardiovascular disease cholesterol inflammation Medicine R Science Q Biology (General) QH301-705.5 |
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APOE Alzheimer's disease dementia cardiovascular disease cholesterol inflammation Medicine R Science Q Biology (General) QH301-705.5 Angela R Garcia Caleb Finch Margaret Gatz Thomas Kraft Daniel Eid Rodriguez Daniel Cummings Mia Charifson Kenneth Buetow Bret A Beheim Hooman Allayee Gregory S Thomas Jonathan Stieglitz Michael D Gurven Hillard Kaplan Benjamin C Trumble APOE4 is associated with elevated blood lipids and lower levels of innate immune biomarkers in a tropical Amerindian subsistence population |
description |
In post-industrial settings, apolipoprotein E4 (APOE4) is associated with increased cardiovascular and neurological disease risk. However, the majority of human evolutionary history occurred in environments with higher pathogenic diversity and low cardiovascular risk. We hypothesize that in high-pathogen and energy-limited contexts, the APOE4 allele confers benefits by reducing innate inflammation when uninfected, while maintaining higher lipid levels that buffer costs of immune activation during infection. Among Tsimane forager-farmers of Bolivia (N = 1266, 50% female), APOE4 is associated with 30% lower C-reactive protein, and higher total cholesterol and oxidized LDL. Blood lipids were either not associated, or negatively associated with inflammatory biomarkers, except for associations of oxidized LDL and inflammation which were limited to obese adults. Further, APOE4 carriers maintain higher levels of total and LDL cholesterol at low body mass indices (BMIs). These results suggest that the relationship between APOE4 and lipids may be beneficial for pathogen-driven immune responses and unlikely to increase cardiovascular risk in an active subsistence population. |
format |
article |
author |
Angela R Garcia Caleb Finch Margaret Gatz Thomas Kraft Daniel Eid Rodriguez Daniel Cummings Mia Charifson Kenneth Buetow Bret A Beheim Hooman Allayee Gregory S Thomas Jonathan Stieglitz Michael D Gurven Hillard Kaplan Benjamin C Trumble |
author_facet |
Angela R Garcia Caleb Finch Margaret Gatz Thomas Kraft Daniel Eid Rodriguez Daniel Cummings Mia Charifson Kenneth Buetow Bret A Beheim Hooman Allayee Gregory S Thomas Jonathan Stieglitz Michael D Gurven Hillard Kaplan Benjamin C Trumble |
author_sort |
Angela R Garcia |
title |
APOE4 is associated with elevated blood lipids and lower levels of innate immune biomarkers in a tropical Amerindian subsistence population |
title_short |
APOE4 is associated with elevated blood lipids and lower levels of innate immune biomarkers in a tropical Amerindian subsistence population |
title_full |
APOE4 is associated with elevated blood lipids and lower levels of innate immune biomarkers in a tropical Amerindian subsistence population |
title_fullStr |
APOE4 is associated with elevated blood lipids and lower levels of innate immune biomarkers in a tropical Amerindian subsistence population |
title_full_unstemmed |
APOE4 is associated with elevated blood lipids and lower levels of innate immune biomarkers in a tropical Amerindian subsistence population |
title_sort |
apoe4 is associated with elevated blood lipids and lower levels of innate immune biomarkers in a tropical amerindian subsistence population |
publisher |
eLife Sciences Publications Ltd |
publishDate |
2021 |
url |
https://doaj.org/article/0a3db5e60d954d4f846826abf855dc08 |
work_keys_str_mv |
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