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Research Articles

Virgin Coconut Oil Alleviates Dextran Sulphate–Induced Inflammatory Bowel Disease and Modulates Inflammation and Immune Response in Mice

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Pages 261-271 | Received 23 Jun 2023, Accepted 29 Sep 2023, Published online: 31 Oct 2023
 

Abstract

Objective

Virgin coconut oil (VCNO), an unrefined kernel oil from Cocos nucifera L., has considerable medicinal and nutritive value. Experimental evidence suggests its antioxidant, anti-inflammatory, chemoprotective, analgesic, and hypolipidemic effects. Presently, the effect of VCNO on ameliorating dextran sodium sulfate (DSS)–induced inflammatory bowel disease and cyclophosphamide (CTX)-induced immunosuppression in experimental animals was analyzed.

Method

DSS (4%) was administered to BALB/c mice through drinking water for 12 days to induce inflammatory bowel disease, and VCNO (500, 750, and 1000 mg/kg bwt) was supplemented orally for 12 days. For anti-inflammatory studies, lipopolysaccharide (LPS, 250 µg/animal) was injected into the intraperitoneal cavity of Swiss albino mice followed by 7 days’ pretreatment of VCNO (500, 750, and 1000 mg/kg bwt). To understand the mechanism of action, serum from all animals was collected after 6 hours of LPS challenge and levels of proinflammatory cytokines were analyzed using enzyme-inked immunosorbent assay. In addition to this, immunosuppression was induced by CTX (50 mg/kg bwt, po) in Swiss albino mice.

Results

Oral administration of VCNO effectively reversed the pathologies associated with inflammatory bowel disease induced by DSS, including loss of body weight, increased disease activity index, shortening of colon length, diarrhea, and rectal bleeding. Histopathological examination showed that VCNO restored the damage in colon tissue induced by DSS. Similar trends were noticed in levels of myeloperoxidase and mRNA expression of proinflammatory cytokines in colon tissue. In addition to this, supplementation of VCNO markedly reduced the hike in the level of serum proinflammatory cytokines in LPS-challenged mice. Further, administration of VCNO effectively increased spleen and thymus indexes and stimulated the production of interferon-γ in serum.

Conclusions

Overall, this study revealed that VCNO alleviates inflammatory bowel disease and inflammation; concurrently, it can revert immunosuppression.

Graphical Abstract

Data availability

Data will be made available on request.

Disclosure statement

No potential conflict of interest was reported by the author(s).

Additional information

Funding

The authors acknowledge Target Institute of Medical Education and Research for financial support for this study.

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