{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T13:54:52Z","timestamp":1790171692686,"version":"4.1.0"},"reference-count":95,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2019,5,1]],"date-time":"2019-05-01T00:00:00Z","timestamp":1556668800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJMS"],"abstract":"<jats:p>Apolipoprotein E (apoE), a key lipid transport protein in the brain, is predominantly produced by astrocytes. Astrocytes are the most numerous cell type in the brain and are the main support network for neurons. They play a critical role in the synthesis and delivery of cholesterol in the brain. Humans have three common apoE isoforms, apoE2, apoE3 and apoE4, that show a strong genotype effect on the risk and age of onset for sporadic and late onset forms of Alzheimer\u2019s disease (AD). Carriers of an \u03b54 allele have an increased risk of developing AD, while those with an \u03b52 allele are protected. Investigations into the contribution of apoE to the development of AD has yielded conflicting results and there is still much speculation about the role of this protein in disease. Here, we review the opposing hypotheses currently described in the literature and the approaches that have been considered for targeting apoE as a novel therapeutic strategy for AD. Additionally, we provide our perspective on the rationale for targeting apoE and the challenges that arise with respect to \u201cdrug-ability\u201d of this target.<\/jats:p>","DOI":"10.3390\/ijms20092161","type":"journal-article","created":{"date-parts":[[2019,5,2]],"date-time":"2019-05-02T03:15:22Z","timestamp":1556766922000},"page":"2161","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":38,"title":["Targeting Apolipoprotein E for Alzheimer\u2019s Disease: An Industry Perspective"],"prefix":"10.3390","volume":"20","author":[{"given":"Georgette L.","family":"Suidan","sequence":"first","affiliation":[{"name":"Alzheimer\u2019s Disease and Dementia Research Unit, Biogen Inc., Cambridge, MA 02142, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gayathri","family":"Ramaswamy","sequence":"additional","affiliation":[{"name":"Alzheimer\u2019s Disease and Dementia Research Unit, Biogen Inc., Cambridge, MA 02142, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2019,5,1]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"595","DOI":"10.15252\/emmm.201606210","article-title":"The amyloid hypothesis of Alzheimer\u2019s disease at 25 years","volume":"8","author":"Selkoe","year":"2016","journal-title":"EMBO Mol. 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