Cited by 58Dementia and Cognitive Impairment ResearchAlzheimer's disease research and treatmentsArtificial Intelligence in Healthcare

Predicting early Alzheimer’s with blood biomarkers and clinical features

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AlMansoori, Muaath Ebrahim, Jemimah, Sherlyn, Abuhantash, Ferial, AlShehhi, Aamna·2024·Scientific Reports

Abstract

Alzheimer’s disease (AD) is an incurable neurodegenerative disorder that leads to dementia. This study employs explainable machine learning models to detect dementia cases using blood gene expression, single nucleotide polymorphisms (SNPs), and clinical data from Alzheimer’s Disease Neuroimaging Initiative (ADNI). Analyzing 623 ADNI participants, we found that the Support Vector Machine classifier with Mutual Information (MI) feature selection, trained on all three data modalities, achieved exceptional performance (accuracy = 0.95, AUC = 0.94). When using gene expression and SNP data separately, we achieved very good performance (AUC = 0.65, AUC = 0.63, respectively). Using SHapley Additive exPlanations (SHAP), we identified significant features, potentially serving as AD biomarkers. Notably, genetic-based biomarkers linked to axon myelination and synaptic vesicle membrane formation could aid early AD detection. In summary, this genetic-based biomarker approach, integrating machine learning and SHAP, shows promise for precise AD diagnosis, biomarker discovery, and offers novel insights for understanding and treating the disease. This approach addresses the challenges of accurate AD diagnosis, which is crucial given the complexities associated with the disease and the need for non-invasive diagnostic methods.

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  • For ADs, precision medicine focuses on genetic and biomarker analysis to improve therapy approaches, risk assessment, and diagnosis.

    “For ADs, precision medicine focuses on genetic and biomarker analysis to improve therapy approaches, risk assessment, and diagnosis.”
  • PSEN1 and PSEN2 mutations are important genetic factors closely associated with early-onset AD and impact γ-secretase cleavage products such as Aβ.

    “PSEN1 and PSEN2 mutations, which are closely associated with early-onset AD and impact the γ-secretase cleavage products, such as Aβ, are important genetic factors.”
  • PSEN1 and PSEN2 mutations have been linked to a high frequency of seizures, accounting for about 32% of cases.

    “These mutations have been linked to a high frequency of seizures, accounting for about 32% of cases.”
  • PSEN1 and PSEN2 mutations may be the cause of neuroinflammation by activating microglia and producing inflammatory cytokines.

    “They may also be the cause of neuroinflammation by activating microglia and producing inflammatory cytokines.”
  • AI systems have been approved by the FDA for enhancing medical imaging assessments, including the identification of suspicious lesions.

    “AI systems have been approved by the US Food and Drug Administration (FDA) for enhancing medical imaging assessments, including the identification of suspicious lesions [37,213,216].”

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  1. [35]Lundberg, S. & Lee, S.-I. A unified approach to interpreting model predictions. In Proceedings of the 31st International Conference on Neural Information Processing Systems, NIPS’17, 4768–4777 (Curran Associates Inc., 2017).

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Authors
AlMansoori, M. E., Jemimah, S., Abuhantash, F., & AlShehhi, A.
Affiliations
Khalifa University of Science and Technology (AE)
Venue
Scientific Reports
Published
2024-03-13
Volume
14
Issue
1
Pages
6039-6039
ISSN
2045-2322 (ISSN-L)
OpenAlex
W4392764156
Cited by
58
References
60
Citations by year
2026: 24 · 2025: 28 · 2024: 6
FWCI
16.97
Type
journal article
Language
en
Open access
Locations
  • Scientific Reports (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
Khalifa University of Science, Technology and Research (FSU-2021-005)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Health Professions › Health Information Management › Artificial Intelligence in Healthcare
Keywords
Alzheimer's disease, early diagnosis, blood biomarkers, gene expression, single nucleotide polymorphisms, dementia detection, explainable machine learning, SHAP, support vector machine, mutual information feature selection, ADNI, axonal myelination, synaptic vesicle membrane
MeSH terms
Machine Learning, Alzheimer Disease, Humans, Magnetic Resonance Imaging, Biomarkers, Early Diagnosis, Neuroimaging, Cognitive Dysfunction

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