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Omega 3 Fatty Acid and Cannabidiol Prolong Lifespan and Ameliorates Brain Ischaemia in Mice Fed Chronic High Fat Diet

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Journal of Behavioral and Brain Science 2022年第7期12卷 335-341页

作者： Innocent Abi aver maria yongu Ugbudu George Tersoo Olasupo Stephen Adeniyi Linus Chia Saalu Department of Physiology College of Health Sciences Benue State University Makurdi Nigeria Department of Anatomy College of Health Sciences Benue State University Makurdi Nigeria

Diets these days contain more fats. High fat diet (HFD) is a model of unhealthy eating in experimental animals. It is known to induce inflammatory responses and oxidative stress. Cannabidiol (CBD), the non-psychoactive component of Cannbis sativa has been legalized for medicinal use in many countries of the world. Omega 3 fatty acid, commonly found in fish oil is medicinal and necessary for brain development. The antioxidant and neuroprotective functions of CBD and omega 3 have made them relevant in many researches. In this study, 45 mice were used and divided into three groups of 15 animals each: Group 1 (normal feed and water ad libidum);Group 2 (HFD ad libidum);Group 3 (HFD + CBD + Omega 3) for 16 weeks. Thereafter, five animals from each group were selected and their frontal lobes were harvested for histological analyses using H and E staining. The remaining mice were allowed to feed on normal diet and observed till death. At the end, HFD significantly reduced life span (57.4 ± 0.3) when compared to control (78.9 ± 1.6) and HFD + CBD + omega 3 group (74.5 ± 0.8) at p < 0.05. HFD also caused significant brain ischemic damage, neuronophagia and significant perivascular oedema. CBD + Omega 3 induced significant astrocytosis compared to control and HFD group. The immune stimulation by the CBD + Omega 3 could be responsible for tissue survival and longevity by protection from inflammatory and oxidative injuries. Ischaemic tissue death could have been prevented by amelioration of artheroma formation due to HFD. Further studies will be required to ascertain other possible mechanisms behind these findings.

关键词： Omega 3 CBD HFD Lifespan Astrocytosis

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