ArticleBMC neurology2025
Cognitive impairment and blood biomarkers of renal dysfunction in high-risk Nigerian population, with special attention to women and diabetes.
Article in BMC neurology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Premature Neuroimmune and Redox-Inflammatory Breakdown at the Prodromal Stage in Male and Female Triple-Transgenic Alzheimer's Disease Mice.Diseases (Basel, Switzerland) · 2026Article
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5 authors.
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Abstract
backgroundSub-Saharan Africans and Afro-Americans face 2-to-8 times higher risk of dementia compared to Caucasians, with Nigerian people being the highest population-at-risk. Adding to this challenge, their unique lipid profile increases their susceptibility to type 2 diabetes mellitus (DM-2), which further raises the risk of cognitive impairment (CI) by 1.5 times. Recently, we demonstrated a strong Diabetes/Dementia tandem in Nigerians, with increased cognitive vulnerability in illiterate, short-height, and diabetic Nigerian women in the eye of the storm. The combination of factors within this population makes it the optimal scenario to understand the relationship between CI and DM-2.
methodsHere, we further studied the blood biochemical analysis of our Makurdi cohort and searched for correlations with standard anthropometric measures, educational level, cognitive status (as assessed with MMSE, 6-CIT) and DM-2.
resultsCI was prevalent across all groups, with higher incidence in DM-2 subjects and a marked sexual dimorphism. Thus, women exhibited a greater risk, especially those with low educational attainment. In the search for potential blood-based biomarkers for cognitive function, we identified those related to renal function. In particular, elevated uric acid and urea levels were associated with poorer cognitive performance, highlighting a potential kidney-brain axis connection.
conclusionRenal function blood metabolites in this Nigerian cohort have been identified as possible kidney-brain axis biomarkers of CI. Moreover, illiteracy, female sex, and DM-2 pose them a compounded risk of developing CI. These findings advocate that targeted interventions addressing educational disparities and metabolic health could be proposed to mitigate cognitive decline in these vulnerable sub-groups. The integration of these factors provides a comprehensive understanding of CI incidence in Nigeria's population, offering new avenues for diagnosis, prevention, and treatment strategies. CLINICAL TRIAL NUMBER: Not applicable.
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