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Lozupone M, Dibello V, Sardone R, Castellana F, Zupo R, Lampignano L, Bortone I, Daniele A, Bellomo A, Solfrizzi V, Panza F. The Impact of Apolipoprotein E ( APOE) Epigenetics on Aging and Sporadic Alzheimer's Disease. BIOLOGY 2023; 12:1529. [PMID: 38132357 PMCID: PMC10740847 DOI: 10.3390/biology12121529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 12/08/2023] [Accepted: 12/12/2023] [Indexed: 12/23/2023]
Abstract
Sporadic Alzheimer's disease (AD) derives from an interplay among environmental factors and genetic variants, while epigenetic modifications have been expected to affect the onset and progression of its complex etiopathology. Carriers of one copy of the apolipoprotein E gene (APOE) ε4 allele have a 4-fold increased AD risk, while APOE ε4/ε4-carriers have a 12-fold increased risk of developing AD in comparison with the APOE ε3-carriers. The main longevity factor is the homozygous APOE ε3/ε3 genotype. In the present narrative review article, we summarized and described the role of APOE epigenetics in aging and AD pathophysiology. It is not fully understood how APOE variants may increase or decrease AD risk, but this gene may affect tau- and amyloid-mediated neurodegeneration directly or indirectly, also by affecting lipid metabolism and inflammation. For sporadic AD, epigenetic regulatory mechanisms may control and influence APOE expression in response to external insults. Diet, a major environmental factor, has been significantly associated with physical exercise, cognitive function, and the methylation level of several cytosine-phosphate-guanine (CpG) dinucleotide sites of APOE.
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Affiliation(s)
- Madia Lozupone
- Department of Translational Biomedicine and Neuroscience (DiBrain), University of Bari Aldo Moro, 70121 Bari, Italy;
| | - Vittorio Dibello
- Department of Orofacial Pain and Dysfunction, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, 1081 HV Amsterdam, The Netherlands;
| | - Rodolfo Sardone
- Local Healthcare Authority of Taranto, 74121 Taranto, Italy;
| | - Fabio Castellana
- Department of Interdisciplinary Medicine, Clinica Medica e Geriatria “Cesare Frugoni”, University of Bari Aldo Moro, 70121 Bari, Italy; (F.C.); (R.Z.); (V.S.)
| | - Roberta Zupo
- Department of Interdisciplinary Medicine, Clinica Medica e Geriatria “Cesare Frugoni”, University of Bari Aldo Moro, 70121 Bari, Italy; (F.C.); (R.Z.); (V.S.)
| | - Luisa Lampignano
- Local Healthcare Authority of Bari, ASL Bari, 70132 Bari, Italy;
| | - Ilaria Bortone
- Department of Translational Biomedicine and Neuroscience (DiBrain), University of Bari Aldo Moro, 70121 Bari, Italy;
| | - Antonio Daniele
- Department of Neuroscience, Catholic University of Sacred Heart, 00168 Rome, Italy;
- Neurology Unit, IRCCS Fondazione Policlinico Universitario A. Gemelli, 00168 Rome, Italy
| | - Antonello Bellomo
- Psychiatric Unit, Department of Clinical & Experimental Medicine, University of Foggia, 71122 Foggia, Italy;
| | - Vincenzo Solfrizzi
- Department of Interdisciplinary Medicine, Clinica Medica e Geriatria “Cesare Frugoni”, University of Bari Aldo Moro, 70121 Bari, Italy; (F.C.); (R.Z.); (V.S.)
| | - Francesco Panza
- Department of Interdisciplinary Medicine, Clinica Medica e Geriatria “Cesare Frugoni”, University of Bari Aldo Moro, 70121 Bari, Italy; (F.C.); (R.Z.); (V.S.)
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