{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,6]],"date-time":"2026-11-06T11:20:10Z","timestamp":1793964010830,"version":"4.8.0"},"reference-count":50,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2024,6,11]],"date-time":"2024-06-11T00:00:00Z","timestamp":1718064000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Aging Neurosci."],"abstract":"<jats:sec>\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>\n                      At least one-third of the identified risk alleles from Genome-Wide Association Studies (GWAS) of Alzheimer\u2019s disease (AD) are involved in lipid metabolism, lipid transport, or direct lipid binding. In fact, a common genetic variant (\u03b54) in a cholesterol and phospholipid transporter, Apolipoprotein E (\n                      <jats:italic>APOE\u03b54<\/jats:italic>\n                      ), is the primary genetic risk factor for late-onset AD. In addition to genetic variants, lipidomic studies have reported severe metabolic dysregulation in human autopsy brain tissue, cerebrospinal fluid, blood, and multiple mouse models of AD.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We aimed to identify an overarching metabolic pathway in lipid metabolism by integrating analyses of lipidomics and transcriptomics from the Religious Order Study and Rush Memory Aging Project (ROSMAP) using differential analysis and network correlation analysis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Coordinated differences in lipids were found to be dysregulated in association with both mild cognitive impairment (MCI) and\n                      <jats:italic>APOE\u03b54<\/jats:italic>\n                      carriers. Interestingly, these correlations were weakened when adjusting for education. Indeed, the cognitively non-impaired\n                      <jats:italic>APOE\u03b54<\/jats:italic>\n                      carriers have higher education levels in the ROSMAP cohort, suggesting that this lipid signature may be associated with a resilience phenotype. Network correlation analysis identified multiple differential lipids within a single module that are substrates and products in the Lands Cycle for acyl chain remodeling. In addition, our analyses identified multiple genes in the Lands Cycle acyl chain remodeling pathway, which were associated with cognitive decline independent of amyloid-\u03b2 (A\u03b2) load and tau tangle pathologies.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Discussion<\/jats:title>\n                    <jats:p>\n                      Our studies highlight the critical differences in acyl chain remodeling in brain tissue from\n                      <jats:italic>APOE\u03b54<\/jats:italic>\n                      carriers and individual non-carriers with MCI. A coordinated lipid profile shift in dorsolateral prefrontal cortex from both\n                      <jats:italic>APOE\u03b54<\/jats:italic>\n                      carriers and MCI suggests differences in lipid metabolism occur early in disease stage and highlights lipid homeostasis as a tractable target for early disease modifying intervention.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.3389\/fnagi.2024.1419253","type":"journal-article","created":{"date-parts":[[2024,6,11]],"date-time":"2024-06-11T14:22:11Z","timestamp":1718115731000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":11,"title":["Brain and serum lipidomic profiles implicate Lands cycle acyl chain remodeling association with APOE\u03b54 and mild cognitive impairment"],"prefix":"10.3389","volume":"16","author":[{"given":"Jason","family":"Mares","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ana Paula","family":"Costa","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"William J.","family":"Dartora","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Krista M.","family":"Wartchow","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Artur","family":"Lazarian","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David A.","family":"Bennett","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tal","family":"Nuriel","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vilas","family":"Menon","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Laura Beth J.","family":"McIntire","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2024,6,11]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","first-page":"1148","DOI":"10.1038\/s41467-020-14959-w","article-title":"Sex and APOE epsilon4 genotype modify the Alzheimer\u2019s disease serum metabolome","volume":"11","author":"Arnold","year":"2020","journal-title":"Nat. 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