Volume 29, Issue 2 (Iran South Med J 2026)
Iran South Med J 2026, 29(2): 79-88 |
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Bagheri N, Safavi M, Ghasemi Dehnoo M, Rafieian Kopaei M, Azadegan Dehkordi F. Effects of Quinic Acid and Syringic Acid on Tissue IL-36α Expression in an Acetic Acid Induced Ulcerative Colitis Model. Iran South Med J 2026; 29 (2) :79-88
URL: http://ismj.bpums.ac.ir/article-1-2545-en.html
URL: http://ismj.bpums.ac.ir/article-1-2545-en.html
Nader Bagheri1 
, Maryam Safavi2 , Maryam Ghasemi Dehnoo3 , Mahmoud Rafieian Kopaei4 , Fatemeh Azadegan Dehkordi *5
, Maryam Safavi2 , Maryam Ghasemi Dehnoo3 , Mahmoud Rafieian Kopaei4 , Fatemeh Azadegan Dehkordi *5
1- Clinical Biochemistry Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
2- Cancer Research Center, Shahrekord University of Medical Sciences, Shahrekord, Iran
3- Razi Herbal Medicines Research Center, Lorestan University of Medical Sciences, Khorramabad, Iran
4- Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
5- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran ,azadegan.f@skums.ac.ir
2- Cancer Research Center, Shahrekord University of Medical Sciences, Shahrekord, Iran
3- Razi Herbal Medicines Research Center, Lorestan University of Medical Sciences, Khorramabad, Iran
4- Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
5- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran ,
Abstract: (16 Views)
Background: Ulcerative colitis (UC) is a chronic inflammatory disease of the colon characterized by excessive production of pro-inflammatory cytokines and progressive mucosal damage. IL-36α, a member of the IL-1 cytokine family, plays an important role in amplifying inflammatory responses. This study aimed to investigate the effects of quinic acid (QA) and syringic acid (SA) on IL-36α levels in an experimental model of UC.
Materials and Methods: UC was induced in male Wistar rats by intrarectal administration of 4% acetic acid. The animals were divided into control, colitis, dexamethasone-treated, QA-treated (10, 30, 60, and 100 mg/kg), and SA-treated (10, 25, and 50 mg/kg) groups. After 7 days of treatment, IL-36α levels in colon tissue were measured using ELISA.
Results: Induction of UC significantly increased IL-36α levels from 106.9 ± 8.69 pg/mL in the control group to 420.6 ± 59.50 pg/mL in the colitis group (P < 0.0001). Dexamethasone significantly reduced IL-36α levels to 108.7 ± 12.18 pg/mL (P < 0.0001). QA treatment resulted in a dose-dependent reduction in IL-36α levels, with values of 390.2 ± 47.72, 332.3 ± 72.49, 232.5 ± 60.57, and 170.7 ± 24.01 pg/mL at 10, 30, 60, and 100 mg/kg, respectively. Similarly, SA significantly decreased IL-36α levels to 355.4 ± 52.43, 306.8 ± 77.06, and 183.0 ± 33.70 pg/mL at 10, 25, and 50 mg/kg, respectively (P = 0.04, P=0.0001, and P<0.0001).
Conclusion: Both QA and SA exert significant anti-inflammatory effects in experimental UC and may modulate inflammatory responses through reducing IL-36α levels.
Materials and Methods: UC was induced in male Wistar rats by intrarectal administration of 4% acetic acid. The animals were divided into control, colitis, dexamethasone-treated, QA-treated (10, 30, 60, and 100 mg/kg), and SA-treated (10, 25, and 50 mg/kg) groups. After 7 days of treatment, IL-36α levels in colon tissue were measured using ELISA.
Results: Induction of UC significantly increased IL-36α levels from 106.9 ± 8.69 pg/mL in the control group to 420.6 ± 59.50 pg/mL in the colitis group (P < 0.0001). Dexamethasone significantly reduced IL-36α levels to 108.7 ± 12.18 pg/mL (P < 0.0001). QA treatment resulted in a dose-dependent reduction in IL-36α levels, with values of 390.2 ± 47.72, 332.3 ± 72.49, 232.5 ± 60.57, and 170.7 ± 24.01 pg/mL at 10, 30, 60, and 100 mg/kg, respectively. Similarly, SA significantly decreased IL-36α levels to 355.4 ± 52.43, 306.8 ± 77.06, and 183.0 ± 33.70 pg/mL at 10, 25, and 50 mg/kg, respectively (P = 0.04, P=0.0001, and P<0.0001).
Conclusion: Both QA and SA exert significant anti-inflammatory effects in experimental UC and may modulate inflammatory responses through reducing IL-36α levels.
Original: Original |
Subject:
Microbiology and Immunology
Received: 2026/05/19 | Accepted: 2026/07/14 | Published: 2026/07/29
Received: 2026/05/19 | Accepted: 2026/07/14 | Published: 2026/07/29
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