e-ISSN: Pending
Negative / Null Result ReportMedicine

The interplay of APOE genotype, plasma levels, and cognitive functions in middle-aged adults with a parental history of Alzheimer's disease.

Mattar YA; Refaat O; El-Makawi S; Medhat E; Khalifa D · 2026 · The world journal of biological psychiatry : the official journal of the World Federation of Societies of Biological Psychiatry

WASTE classifies this as Negative / Null Result Report · AI classification, approximate

The study found no significant effect — useful as a negative control or null benchmark for your own design.

Abstract (excerpt)

Background Family history and APOE ε4 carriage represent the strongest non-modifiable Alzheimer's disease (AD) risk factors after advancing age. Early identification of cognitive markers in individuals at risk is essential for effective…

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Metadata source: Europe PMC · DOI 10.1080/15622975.2026.2666647