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SVU-International Journal of Veterinary Sciences
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Twafik, W., Morad, O., Hassan, R., nematallah, K., El-hamed, D., Morad, S., Abdelmageed, N. (2021). Vinpocetine Suppresses Inflammatory and Oxidative Machineries in Acute Model of Inflammation—Pivotal Role of COX-2 Signaling. SVU-International Journal of Veterinary Sciences, 4(3), 51-69. doi: 10.21608/svu.2021.70729.1119
wael Twafik; Osama Morad; Reham Hassan; Khaled nematallah; Dina El-hamed; Samy Morad; Noha Abdelmageed. "Vinpocetine Suppresses Inflammatory and Oxidative Machineries in Acute Model of Inflammation—Pivotal Role of COX-2 Signaling". SVU-International Journal of Veterinary Sciences, 4, 3, 2021, 51-69. doi: 10.21608/svu.2021.70729.1119
Twafik, W., Morad, O., Hassan, R., nematallah, K., El-hamed, D., Morad, S., Abdelmageed, N. (2021). 'Vinpocetine Suppresses Inflammatory and Oxidative Machineries in Acute Model of Inflammation—Pivotal Role of COX-2 Signaling', SVU-International Journal of Veterinary Sciences, 4(3), pp. 51-69. doi: 10.21608/svu.2021.70729.1119
Twafik, W., Morad, O., Hassan, R., nematallah, K., El-hamed, D., Morad, S., Abdelmageed, N. Vinpocetine Suppresses Inflammatory and Oxidative Machineries in Acute Model of Inflammation—Pivotal Role of COX-2 Signaling. SVU-International Journal of Veterinary Sciences, 2021; 4(3): 51-69. doi: 10.21608/svu.2021.70729.1119

Vinpocetine Suppresses Inflammatory and Oxidative Machineries in Acute Model of Inflammation—Pivotal Role of COX-2 Signaling

Article 4, Volume 4, Issue 3 - Serial Number 9, July 2021, Page 51-69  XML PDF (1.25 MB)
Document Type: Research article
DOI: 10.21608/svu.2021.70729.1119
Authors
wael Twafik1; Osama Morad2; Reham Hassan3; Khaled nematallah4; Dina El-hamed5; Samy Morad6; Noha Abdelmageed email 7
1Department of Biochemistry, Animal Health Research Institute (AHRI), Qena branch, Qena, Egypt
2Neurology and Psychological Medicine department, Faculty of Medicine, Sohag University
3Forensic Medicine and Toxicology Department, Faculty of Veterinary Medicine, South Valley University, Qena, 83523, Egypt
4Department of Pharmacognosy, Faculty of Pharmacy, British University in Egypt (BUE), Cairo,
5Poultry Research Department, Animal Health Research Institute (AHRI), Qena branch, Qena, Egypt
6Department of Pharmacology, Faculty of Veterinary Medicine, South Valley University, Qena, 83523, Egypt
7Department of Pharmacology, Faculty of Veterinary Medicine, Sohag University, Sohag, Egypt
Abstract
The presence of inflammation is one of the key factors in the onset and progression of various medical disorders and diseases, making it a crucial challenge for treatment. The purpose of this study is to evaluate antioxidant and anti-inflammatory effects of Vinpocetine, using acute models of inflammation; Xylene-, Carrageenan (CGN)-induced inflammation and acetic acid-induced vascular- permeability in mice were used. We also employed molecular docking approach to verify the underlying mechanism of anti-inflammatory activity of Vinpocetine. In a current investigation, Vinpocetine showed anti-inflammatory and antioxidant effects on Xylene- and CGN-induced inflammation in a dose-dependent manner. Vinpocetine reduced inflammatory edema and restored antioxidant tissue balance, probably via suppression of IL-1β, IL-6, TNF-α, MDA and MPO activity, and also through increased non-enzymatic antioxidant (GSH) levels in paw tissue. Histopathological examination showed that Vinpocetine restored normal skin architecture with significant inhibition of tissue edema, congestion, and cellular infiltration in CGN-challenged paw. Mechanistically, Vinpocetine showed downregulation the expression of COX-2 protein, in western blot assessment, that was associated with significant decrease in the level of prostaglandin E 2 (PGE2) levels; a major metabolic product of COX-2 enzyme. Interestingly, Silico study showed that Vinpocetine has strong affinity to COX-2, similar to diclofenac, suggested possible mechanism of downregulation of COX-2 expression. Therefore, Vinpocetine showed antioxidant and anti-inflammatory responses might, in part, due to inhibition of COX-2/PGE 2 pathway.
Keywords
Vinpocetine; Oxidative stress; COX-2/PGE 2 pathway; Cytokines
Main Subjects
Pre-clinical veterinary sciences (Microbiology, Parasitology, Pharmacology, Forensic medicine and Toxicology).
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