ArticleNeuropsychopharmacology : official publication of the American College of Neuropsychopharmacology2015
Transgenic increase in n-3/n-6 fatty acid ratio protects against cognitive deficits induced by an immune challenge through decrease of neuroinflammation.
Article in Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 39 papers.
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Who cites it
39 citing papers in PubMed, 91 citations in OpenAlex.
- Rewiring Lipid Metabolism: PINK1 as a Central Regulator of Mitochondrial Homeostasis in Parkinson's Disease.International journal of molecular sciences · 2026Review
- Anti-Inflammatory and Antioxidant Effects of ω-3 Polyunsaturated Fatty Acids on Astrocytes and Their Implications for the Blood-Brain Barrier's Integrity and Function.International journal of molecular sciences · 2026Review
- Deficiency of vital organic nutrients in ecosystems limits brain development and fitness in wild fish.The Journal of experimental biology · 2026Article
- Unlocking Parkinson's disease: harnessing the untapped potential of fatty acid metabolism in disease pathogenesis.Frontiers in immunology · 2026Review
- Balanced polyunsaturated fatty acids diet prevents the D-galactose-induced neuroinflammation and cognitive impairments.Neuroscience applied · 2026Article
- Effects of increasing n3:n6 ratio by replacing extruded soybeans with extruded flaxseed on dry matter intake, rumen fluid bacteria, and liver lipid metabolism in transition cows.BMC microbiology · 2025Article
- Modified neuroimmune processes and emotional behaviour in weaned and late adolescent male and female mice born via caesarean section.Scientific reports · 2024Article
- Effects of Omega-3 Polyunsaturated Fatty Acids on the Formation of Adipokines, Cytokines, and Oxylipins in Retroperitoneal Adipose Tissue of Mice.International journal of molecular sciences · 2024Article
- The Metabolic Impact of Nonalcoholic Fatty Liver Disease on Cognitive Dysfunction: A Comprehensive Clinical and Pathophysiological Review.International journal of molecular sciences · 2024Review
- Fish oil omega-3 Fatty Acids Alleviate Postoperative delirium-like Behavior in aged mice by Attenuating Neuroinflammation and Oxidative Stress.Neurochemical research · 2024Article
- Article
- The Effect of Very-Long-ChainNutrients · 2023Review
- Celiac Disease and Neurological Manifestations: From Gluten to Neuroinflammation.International journal of molecular sciences · 2022Review
- Effects of Dietary n-3 LCPUFA Supplementation on the Hippocampus of Aging Female Mice: Impact on Memory, Lipid Raft-Associated Glutamatergic Receptors and Neuroinflammation.International journal of molecular sciences · 2022Article
- Maternal n-3 Polyunsaturated Fatty Acid Enriched Diet Commands Fatty Acid Composition in Postnatal Brain and Protects from Neonatal Arterial Focal Stroke.Translational stroke research · 2022Article
- Consumption of dietary fat causes loss of olfactory sensory neurons and associated circuitry that is not mitigated by voluntary exercise in mice.The Journal of physiology · 2022Article
- N-3 PUFA Deficiency Affects the Ultrastructural Organization and Density of White Matter Microglia in the Developing Brain of Male Mice.Frontiers in cellular neuroscience · 2022Article
- Microglia-leucocyte axis in cerebral ischaemia and inflammation in the developing brain.Acta physiologica (Oxford, England) · 2021Review
- Shared Biological Pathways between Antipsychotics and Omega-3 Fatty Acids: A Key Feature for Schizophrenia Preventive Treatment?International journal of molecular sciences · 2021Review
- Distinctive Microbial Signatures and Gut-Brain Crosstalk in Pediatric Patients with Coeliac Disease and Type 1 Diabetes Mellitus.International journal of molecular sciences · 2021Article
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Authors and funding
7 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Polyunsaturated fatty acids (PUFAs) display immunomodulatory properties in the brain, n-3 PUFAs being able to reduce inflammation whereas n-6 PUFAs are more pro-inflammatory. It has been extensively demonstrated that exposure to a peripheral immune challenge leads to the production and release of inflammatory mediators in the brain in association with cognitive deficits. The question arises whether n-3 PUFA supplementation could downregulate the brain inflammatory response and subsequent cognitive alterations. In this study, we used a genetically modified mouse line carrying the fat-1 gene from the roundworm Caenorhabditis elegans, encoding an n-3 PUFA desaturase that catalyzes conversion of n-6 into n-3 PUFA. Consequently, these mice display endogenously elevated n-3 PUFA tissue contents. Fat-1 mice or wild-type (WT) littermates were injected peripherally with lipopolysaccharide (LPS), a bacterial endotoxin, to induce an inflammatory episode. Our results showed that LPS altered differently the phenotype of microglia and the expression of cytokines and chemokines in Fat-1 and WT mice. In Fat-1 mice, pro-inflammatory factors synthesis was lowered compared with WT mice, whereas anti-inflammatory mechanisms were favored 24 h after LPS treatment. Moreover, LPS injection impaired spatial memory in WT mice, whereas interestingly, the Fat-1 mice showed normal cognitive performances. All together, these data suggest that the central n-3 PUFA increase observed in Fat-1 mice modulated the brain innate immune system activity, leading to the protection of animals against LPS-induced pro-inflammatory cytokine production and subsequent spatial memory alteration.
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