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long chain omega-3 fatty acids (C20-22) in erythrocytes

Indications: - unknown, no corresponding Loinc Clinical significance: - higher erythrocyte omega-3 fatty acids in midlife a mean age 46 years) is associated with larger hippocampal volumes & better abstract reasoning [1] - larger hippocampal volumes associated with docosahexaenoic acid in non apoE4 carriers [1] - better abstract reasoning associated with eicosapentaenoic acid in apoE4 carriers [1] - better abstract reasoning a

Related

4,7,10,13,16,19-docosahexaenoic acid [C22:6w3]; cervonic acid (DHA, Doconexent) 5,8,11,14,17-eicosapentaenoic acid [C20:5w3]

General

omega-3 fatty acids measurement

References

  1. Satizabal CL, Himali JJ, Beiser AS et al Association of Red Blood Cell Omega-3 Fatty Acids With MRI Markers and Cognitive Function in Midlife: The Framingham Heart Study. Neurology. 2022. Oct 5. https://n.neurology.org/content/early/2022/10/05/WNL.0000000000201296