Resistance and resilience to Alzheimer's disease in Down syndrome

  • Rory Boyle
  • , Elouise A Koops
  • , Beau Ances
  • , Elizabeth J Andrews
  • , Eider M Arenaza-Urquijo
  • , Alexandre Benjanin
  • , Adam M Brickman
  • , Rachel F Buckley
  • , Giulia S Clas
  • , Emmet Costello
  • , Gillian T Coughlan
  • , Alexander C Conley
  • , Feng Deng
  • , Daniele de Paula Faria
  • , Natalie Edwards
  • , Lisi Flores-Aguilar
  • , Juan Fortea
  • , Ladan Ghazi Saidi
  • , Elizabeth Head
  • , Christy L Hom
  • Katherine Koenig, Patrick Lao, Imre Lengyel, Yi-Ju Li, Samantha Loi, David Loughrey, Eimear McGlinchey, Paul Newhouse, Lucía Pertierra, Prokopis C Prokopiou, Qing Qi, Elisa de Paula França Resende, Jason Russell, Catherine E Scanlon, Christoph Schneider, Stephanie A Schultz, Mabel Seto, Sophia Shaka, Anja Soldan, Lídia Vaqué Alcázar, Yihe Weng, Jo Ellen Wilson, Shahid H Zaman, Sára E Zsadányi, Sigan Hartley

Research output: Contribution to journalReview articlepeer-review

6 Citations (Scopus)
46 Downloads (Pure)

Abstract

Due to the high prevalence of Alzheimer's disease (AD) in adults with Down syndrome (DS), trisomy 21 is now considered a genetic form of AD (DSAD). A better understanding of factors that can prevent or delay AD is vital to improve outcomes for adults with DS. In this narrative review, we apply AD and cognitive aging research frameworks to study resistance and resilience in DSAD. Given the variability in the timing of pathology and symptoms, we discuss the evidence supporting the role of genetic, biological, socio-behavioral, lifestyle, and environmental factors in resistance and resilience to DSAD. We also consider how co-occurring health conditions in DS may influence resistance and resilience, and how methods from AD research can be applied to DSAD. Ultimately, this framework aims to guide future research and translate findings into clinical interventions to improve outcomes in DSAD. Highlights Definitions of resistance and resilience in the genetic form of Alzheimer's disease (DSAD) are proposed for guiding the field. Variability in the timing of AD pathology and symptoms suggests the potential for resistance and resilience mechanisms in DSAD. Genetic, biological, socio-behavioral, lifestyle, and environmental factors have the potential to build resistance or resilience in DSAD. Future research will require longitudinal and experimental designs, life course approaches, and large cohort studies.

Original languageEnglish
Article numbere70151
JournalAlzheimer's & Dementia: The Journal of the Alzheimer's Association
Volume21
Issue number4
DOIs
Publication statusPublished - 28 Apr 2025

Bibliographical note

© 2025 The Author(s). Alzheimer's & Dementia published by Wiley Periodicals LLC on behalf of Alzheimer's Association.

Keywords

  • Humans
  • Down Syndrome/complications
  • Alzheimer Disease/genetics
  • Resilience, Psychological

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