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Ferulic acid ameliorates ulcerative colitis in a rat model via the inhibition of two LPS-TLR4-NF-κB and NF-κB-INOS-NO signaling pathways and thus alleviating the inflammatory, oxidative and apoptotic conditions in the colon tissue

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Abstract

Introduction

Ulcerative colitis is a chronic inflammation of the colon. However, the common treatment for it is accompanied by many complications. Therefore, the present study was aimed to determine the ameliorative effects of ferulic acid on acetic acid-induced colitis in rat.

Materials and methods

To induce ulcerative colitis, animals received 0.8 ml of 7% acetic acid intra-rectally. Ferulic acid in 20, 40, and 60 mg/kg doses was administered orally one hour after the ulcerative colitis induction. Animals received treatments for five consecutive days and then were euthanized on the sixth day. The colon was dissected out and macroscopic lesions were examined. Colon samples were evaluated for histopathological examination, biochemical analysis, determination of the expression of inflammatory, and apoptotic genes as well as total antioxidant capacity.

Results

Ferulic acid significantly inhibited inflammatory and apoptotic genes mRNA expression, also production of MDA and NO. Ferulic acid significantly increased the activity of antioxidant factors (TAC content, and SOD and CAT activity), thereby preventing inflammation and histopathological damage in the colon tissue of colitis rats.

Conclusion

The results of the present study confirmed the antioxidant, anti-inflammatory, and anti-apoptotic properties of ferulic acid. About the mechanism of action of this compound, it can be concluded that the ability of ferulic acid in the amelioration of ulcerative colitis is related to the inhibition of two LPS-TLR4-NF-κB and NF-κB-INOS-NO signaling pathways.

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Data availability

The reported data in present study are available if needed from the corresponding author.

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Funding

Funding provided by Shahrekord University of Medical Sciences, Shahrekord, Iran (grant no. 5186).

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Authors and Affiliations

  1. Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran

    Maryam Ghasemi-Dehnoo, Hossein Amini-Khoei, Zahra Lorigooini, Maryam AnjomShoa & Mahmoud Rafieian-Kopaei

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  1. Maryam Ghasemi-Dehnoo
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  2. Hossein Amini-Khoei
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  3. Zahra Lorigooini
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Contributions

MR-K: supervision conceptualization, project administration, methodology, manuscript review and editing. HA-K and ZL: conceptualization, project administration, methodology, manuscript review and editing. MG-D: investigation, formal analysis, data curation, writing original draft and editing. MA: histopathological assessment.

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Correspondence to Mahmoud Rafieian-Kopaei.

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Ghasemi-Dehnoo, M., Amini-Khoei, H., Lorigooini, Z. et al. Ferulic acid ameliorates ulcerative colitis in a rat model via the inhibition of two LPS-TLR4-NF-κB and NF-κB-INOS-NO signaling pathways and thus alleviating the inflammatory, oxidative and apoptotic conditions in the colon tissue. Inflammopharmacol 31, 2587–2597 (2023). https://doi.org/10.1007/s10787-023-01277-y

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