# Positive Behavioral, Morphophysiological, and Gene Expression Effects of the Administration of Virgin Coconut Oil in an Ischemic Stroke Surgical Rat Model

**Authors:** Rodel Jonathan S. Vitor, Ryota Tochinai, Shin-Ichi Sekizawa, Masayoshi Kuwahara

PMC · DOI: 10.3390/ijms26136215 · International Journal of Molecular Sciences · 2025-06-27

## TL;DR

This study shows that virgin coconut oil may help protect the brain after a stroke by improving behavior, brain structure, and gene activity in rats.

## Contribution

The study demonstrates the protective effects of virgin coconut oil on ischemic stroke through behavioral, morphophysiological, and gene expression analyses in a rat model.

## Key findings

- VCO improved neurological scores 24 h, 48 h, and 5 d after stroke surgery.
- VCO reduced infarct size, edema, and hypoxic neurons in brain morphology.
- VCO increased expression of protective genes and decreased harmful gene activity.

## Abstract

Stroke is still considered a predominant cause of morbidity and mortality, for which research on prevention and cure has been sought to prevent neuronal damage after a stroke incident. In this research, we evaluated the protective effects of virgin coconut oil (VCO) using behavioral, morphophysiological, and gene expression parameters using an ischemic stroke surgical rat model using Sprague Dawley (SD) rats. Eight-week-old SD rats were subjected to repeated oral administration (5 mL/kg/day) of either 1% Tween 80 or VCO. For behavioral and morphophysiological parameters, surgery was performed for each group, after which neurological scoring was performed at 4 h, 24 h, 48 h, 5 d, and 10 d. Further, hematological and brain morphology assessment was performed after euthanasia and necropsy of the animals. For gene expression studies, surgery was performed with animals sacrificed at different time points (baseline, before surgery, 4 h, 24 h, and 48 h after surgery) to collect the brain. Results of the study showed that there are differences in the neurological scores between the two treatments 24 h, 48 h, and 5 d after surgery. Brain morphology assessment also showed favorable results for VCO for infarct size, edema, and hypoxic neurons. Gene expression studies also showed positive results with an increase in the relative expression of angiogenin (Ang), angiopoietin (Angpt 1), Parkin, dynamin-related protein 1 (Drp 1), mitofusin 2 (Mfn 2), and mitochondrial rho (Miro) and decreased relative expression of caspase 3, receptor for advanced glycation end-product (Rage), and glyceraldehyde-3-phosphate dehydrogenase (Gapdh). In summary, the current study shows that VCO may have protective effects on the brain after stroke, which may be explained by the results of the gene expression studies.

## Linked entities

- **Genes:** ANG (angiogenin) [NCBI Gene 283], ANGPT1 (angiopoietin 1) [NCBI Gene 284], park (parkin) [NCBI Gene 40336], CRMP1 (collapsin response mediator protein 1) [NCBI Gene 1400], MFN2 (mitofusin 2) [NCBI Gene 9927], Miro (Mitochondrial Rho) [NCBI Gene 42845], Casp3 (caspase 3) [NCBI Gene 12367], AGER (advanced glycosylation end-product specific receptor) [NCBI Gene 177], GAPDH (glyceraldehyde-3-phosphate dehydrogenase) [NCBI Gene 2597]
- **Chemicals:** Tween 80 (PubChem CID 443315)
- **Diseases:** ischemic stroke (MONDO:1060198)

## Full-text entities

- **Genes:** Rho (rhodopsin) [NCBI Gene 24717], Ang (angiogenin) [NCBI Gene 305843] {aka Ang1}, Mfn2 (mitofusin 2) [NCBI Gene 64476] {aka HSG}, Casp3 (caspase 3) [NCBI Gene 25402] {aka CPP32-beta, Lice, Yama}, Gapdh [NCBI Gene 108351137], Dnm1l (dynamin 1-like) [NCBI Gene 114114] {aka DLP1, Dnml1, Drp1}, Ager (advanced glycosylation end product-specific receptor) [NCBI Gene 81722] {aka RAGE}, Angpt1 (angiopoietin 1) [NCBI Gene 89807] {aka Agpt, Agpt1, Ang-1}
- **Diseases:** edema (MESH:D004487), Ischemic Stroke (MESH:D002544), neuronal damage (MESH:D009410), infarct (MESH:D007238), Stroke (MESH:D020521), hypoxic (MESH:D002534)
- **Chemicals:** VCO (-), Tween 80 (MESH:D011136)
- **Species:** Rattus norvegicus (brown rat, species) [taxon 10116]

## Full text

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## Figures

11 figures with captions in the complete paper: https://tomesphere.com/paper/PMC12250395/full.md

## References

40 references — full list in the complete paper: https://tomesphere.com/paper/PMC12250395/full.md

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Source: https://tomesphere.com/paper/PMC12250395