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Herpes Simplex Virus and Alzheimer’s Disease: The Present State of Clinical Evidence

Received: 10 June 2021    Accepted: 1 July 2021    Published: 9 July 2021
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Abstract

Alzheimer´s disease (AD) and dementia have a probably multifactorial pathogenesis and, accordingly to several studies, human herpes simplex virus type 1 (HSV-1) infection may be related. The purpose of this review is to assess the updated clinical evidence towards the association between herpes infection and AD. We performed a PubMed/MEDLINE database research and included in this review randomized clinical trials on the subject of antivirals effectiveness and AD, and observational case-control studies and observational cohort studies regarding AD diagnosis (using clinical and/or histological methods) and HSV-1 detection (using molecular biology or immunohistochemical techniques). A total of 23 case-control and 3 cohort studies met the predetermined inclusion criteria. The results showed that AD was associated with HSV-1 in 22 of the 26 included studies, with most of them confirming that herpes infection is more prevalent in AD patients, when compared to control patients. A possible link between HSV-1 and AD was discussed and many different interpretations and hypothesis were considered. Evidence from observational studies suggests a possible relationship between the two conditions, but the role of HSV-1 infection in the pathogenesis of AD is not completely understood yet. Well-designed and large clinical trials are necessary to endorse this hypothesis and to consider the use of antiviral drugs as a potential alternative for prevention or reduction in the progression rate of AD in the future.

Published in Clinical Medicine Research (Volume 10, Issue 4)
DOI 10.11648/j.cmr.20211004.13
Page(s) 121-128
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Alzheimer’s Disease, Herpes Simplex, HSV-1, Antiviral, Review

References
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Cite This Article
  • APA Style

    Stephanie Toscano Kasabkojian, Gabriela Pacheco de Oliveira, Francine Papaiordanou, Analia Luiza Porto Viana, Antonio Carlos Amedeo Vattimo, et al. (2021). Herpes Simplex Virus and Alzheimer’s Disease: The Present State of Clinical Evidence. Clinical Medicine Research, 10(4), 121-128. https://doi.org/10.11648/j.cmr.20211004.13

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    ACS Style

    Stephanie Toscano Kasabkojian; Gabriela Pacheco de Oliveira; Francine Papaiordanou; Analia Luiza Porto Viana; Antonio Carlos Amedeo Vattimo, et al. Herpes Simplex Virus and Alzheimer’s Disease: The Present State of Clinical Evidence. Clin. Med. Res. 2021, 10(4), 121-128. doi: 10.11648/j.cmr.20211004.13

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    AMA Style

    Stephanie Toscano Kasabkojian, Gabriela Pacheco de Oliveira, Francine Papaiordanou, Analia Luiza Porto Viana, Antonio Carlos Amedeo Vattimo, et al. Herpes Simplex Virus and Alzheimer’s Disease: The Present State of Clinical Evidence. Clin Med Res. 2021;10(4):121-128. doi: 10.11648/j.cmr.20211004.13

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  • @article{10.11648/j.cmr.20211004.13,
      author = {Stephanie Toscano Kasabkojian and Gabriela Pacheco de Oliveira and Francine Papaiordanou and Analia Luiza Porto Viana and Antonio Carlos Amedeo Vattimo and Andrea Bauer Bannach and Stevin Zung},
      title = {Herpes Simplex Virus and Alzheimer’s Disease: The Present State of Clinical Evidence},
      journal = {Clinical Medicine Research},
      volume = {10},
      number = {4},
      pages = {121-128},
      doi = {10.11648/j.cmr.20211004.13},
      url = {https://doi.org/10.11648/j.cmr.20211004.13},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.cmr.20211004.13},
      abstract = {Alzheimer´s disease (AD) and dementia have a probably multifactorial pathogenesis and, accordingly to several studies, human herpes simplex virus type 1 (HSV-1) infection may be related. The purpose of this review is to assess the updated clinical evidence towards the association between herpes infection and AD. We performed a PubMed/MEDLINE database research and included in this review randomized clinical trials on the subject of antivirals effectiveness and AD, and observational case-control studies and observational cohort studies regarding AD diagnosis (using clinical and/or histological methods) and HSV-1 detection (using molecular biology or immunohistochemical techniques). A total of 23 case-control and 3 cohort studies met the predetermined inclusion criteria. The results showed that AD was associated with HSV-1 in 22 of the 26 included studies, with most of them confirming that herpes infection is more prevalent in AD patients, when compared to control patients. A possible link between HSV-1 and AD was discussed and many different interpretations and hypothesis were considered. Evidence from observational studies suggests a possible relationship between the two conditions, but the role of HSV-1 infection in the pathogenesis of AD is not completely understood yet. Well-designed and large clinical trials are necessary to endorse this hypothesis and to consider the use of antiviral drugs as a potential alternative for prevention or reduction in the progression rate of AD in the future.},
     year = {2021}
    }
    

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  • TY  - JOUR
    T1  - Herpes Simplex Virus and Alzheimer’s Disease: The Present State of Clinical Evidence
    AU  - Stephanie Toscano Kasabkojian
    AU  - Gabriela Pacheco de Oliveira
    AU  - Francine Papaiordanou
    AU  - Analia Luiza Porto Viana
    AU  - Antonio Carlos Amedeo Vattimo
    AU  - Andrea Bauer Bannach
    AU  - Stevin Zung
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    T2  - Clinical Medicine Research
    JF  - Clinical Medicine Research
    JO  - Clinical Medicine Research
    SP  - 121
    EP  - 128
    PB  - Science Publishing Group
    SN  - 2326-9057
    UR  - https://doi.org/10.11648/j.cmr.20211004.13
    AB  - Alzheimer´s disease (AD) and dementia have a probably multifactorial pathogenesis and, accordingly to several studies, human herpes simplex virus type 1 (HSV-1) infection may be related. The purpose of this review is to assess the updated clinical evidence towards the association between herpes infection and AD. We performed a PubMed/MEDLINE database research and included in this review randomized clinical trials on the subject of antivirals effectiveness and AD, and observational case-control studies and observational cohort studies regarding AD diagnosis (using clinical and/or histological methods) and HSV-1 detection (using molecular biology or immunohistochemical techniques). A total of 23 case-control and 3 cohort studies met the predetermined inclusion criteria. The results showed that AD was associated with HSV-1 in 22 of the 26 included studies, with most of them confirming that herpes infection is more prevalent in AD patients, when compared to control patients. A possible link between HSV-1 and AD was discussed and many different interpretations and hypothesis were considered. Evidence from observational studies suggests a possible relationship between the two conditions, but the role of HSV-1 infection in the pathogenesis of AD is not completely understood yet. Well-designed and large clinical trials are necessary to endorse this hypothesis and to consider the use of antiviral drugs as a potential alternative for prevention or reduction in the progression rate of AD in the future.
    VL  - 10
    IS  - 4
    ER  - 

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Author Information
  • Medical Department, Aché Pharmaceuticals Laboratories S. A., S?o Paulo, Brazil

  • Medical Department, Aché Pharmaceuticals Laboratories S. A., S?o Paulo, Brazil

  • Medical Department, Aché Pharmaceuticals Laboratories S. A., S?o Paulo, Brazil

  • Medical Department, Aché Pharmaceuticals Laboratories S. A., S?o Paulo, Brazil

  • Medical Department, Aché Pharmaceuticals Laboratories S. A., S?o Paulo, Brazil

  • Medical Department, Aché Pharmaceuticals Laboratories S. A., S?o Paulo, Brazil

  • Medical Department, Aché Pharmaceuticals Laboratories S. A., S?o Paulo, Brazil

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