ArticleAnnals of neurology2026
Amyotrophic Lateral Sclerosis and Frontotemporal Dementia Have Distinct Prediagnostic Blood Biochemical Profiles.
Article in Annals of neurology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors.
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Abstract
objectiveIdentifying modifiable factors influencing amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD) risk is important for prevention. Blood biomarkers, particularly cholesterol, have been associated with neurodegenerative risk, but findings in ALS are inconsistent, and data on FTD are limited.
methodsWe conducted a population-based cohort study using UK primary care records from QResearch linked with Hospital Episode Statistics. Adults with biomarker data recorded between 1998 and 2023 were included. We examined associations of low- and high-density lipoprotein cholesterol (LDL-C and HDL-C), total cholesterol, triglycerides, creatinine, creatine kinase, and HbA1c with ALS and FTD risk. Cox proportional hazards models were used to estimate associations. Two-sample Mendelian randomization (MR) was applied to explore genetically predicted associations of selected biomarkers.
resultsThere were up to 2,695 ALS and 781 FTD diagnoses, with a median follow-up duration of 9.4 and 10.5 years, respectively. Higher LDL-C (hazard ratio [HR]
interpretationLDL and total cholesterol may provide insights into early disease changes or the etiology of ALS, whereas creatinine and HbA1c may be relevant for FTD. Research in monogenic ALS and FTD is needed to determine whether these biomarkers inform targeted prevention or intervention strategies. ANN NEUROL 2026;99:844-856.
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