{"title":"From defense to disease: IFITM3 in immunity and Alzheimer's disease.","authors":"Zoe Kehs, Abigail C Cross, Yue-Ming Li","doi":"10.1016/j.neurot.2024.e00482","DOIUrl":null,"url":null,"abstract":"<p><p>Innate immunity protein interferon induced transmembrane protein 3 (IFITM3) is a transmembrane protein that has a wide array of functions, including in viral infections, Alzheimer's Disease (AD), and cancer. As an interferon stimulated gene (ISG), IFITM3's expression is upregulated by type-I, II, and III interferons. Moreover, the antiviral activity of IFITM3 is modulated by post-translational modifications. IFITM3 functions in innate immunity to disrupt viral fusion and entry to the plasma membrane as well as prevent viral escape from endosomes. As a γ-secretase modulatory protein, IFITM3 distinctly modulates the processing of amyloid precursor protein (APP) to generate amyloid beta peptides (Aβ) and Notch1 cleavages. Increased IFITM3 expression, which can result from aging, cytokine activation, inflammation, and infection, can lead to an upregulation of γ-secretase for Aβ production that causes a risk of AD. Therefore, the prevention of IFITM3 upregulation has potential in the development of novel therapies for the treatment of AD.</p>","PeriodicalId":19159,"journal":{"name":"Neurotherapeutics","volume":null,"pages":null},"PeriodicalIF":5.6000,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Neurotherapeutics","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1016/j.neurot.2024.e00482","RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CLINICAL NEUROLOGY","Score":null,"Total":0}
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Abstract
Innate immunity protein interferon induced transmembrane protein 3 (IFITM3) is a transmembrane protein that has a wide array of functions, including in viral infections, Alzheimer's Disease (AD), and cancer. As an interferon stimulated gene (ISG), IFITM3's expression is upregulated by type-I, II, and III interferons. Moreover, the antiviral activity of IFITM3 is modulated by post-translational modifications. IFITM3 functions in innate immunity to disrupt viral fusion and entry to the plasma membrane as well as prevent viral escape from endosomes. As a γ-secretase modulatory protein, IFITM3 distinctly modulates the processing of amyloid precursor protein (APP) to generate amyloid beta peptides (Aβ) and Notch1 cleavages. Increased IFITM3 expression, which can result from aging, cytokine activation, inflammation, and infection, can lead to an upregulation of γ-secretase for Aβ production that causes a risk of AD. Therefore, the prevention of IFITM3 upregulation has potential in the development of novel therapies for the treatment of AD.
期刊介绍：
Neurotherapeutics® is the journal of the American Society for Experimental Neurotherapeutics (ASENT). Each issue provides critical reviews of an important topic relating to the treatment of neurological disorders written by international authorities.
The Journal also publishes original research articles in translational neuroscience including descriptions of cutting edge therapies that cross disciplinary lines and represent important contributions to neurotherapeutics for medical practitioners and other researchers in the field.
Neurotherapeutics ® delivers a multidisciplinary perspective on the frontiers of translational neuroscience, provides perspectives on current research and practice, and covers social and ethical as well as scientific issues.
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