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:: Volume 28, Issue 3 (Scientific Journal of Kurdistan University of Medical Sciences 2023) ::
SJKU 2023, 28(3): 24-36 Back to browse issues page
Evaluation of the Effect of Acute and Chronic Restraint Stress on Inducible Nitric Oxide Synthase and Nitric Oxide Levels in Wound Healing Process in Rat
Pari Tamri 1, Fatemeh Zeraati2 , Rasool Haddadi3 , Maryam Karamali4
1- Assistant Professor, Department of Pharmacology & Toxicology, Hamadan University of Medical Sciences, Hamadan, Iran , ptamri@gmail.com
2- Professor, Department of Pharmacology & Toxicology, Hamadan University of Medical Sciences, Hamadan, Iran
3- Assistant Professor, Department of Pharmacology & Toxicology, Hamadan University of Medical Sciences, Hamadan, ran
4- . Pharm D Student, Department of Pharmacology & Toxicology, Hamadan University of Medical Sciences, Hamadan, Iran
Abstract:   (349 Views)
Background and Aim: Considering that stress slows down wound healing, the main purpose of this study was to investigate the effects of acute and chronic restraint stress on inducible Nitric Oxide synthase (iNOS) and Nitric Oxide (NO) concentrations in wound tissue in rat.
Materials and Methods: 48 male and female rats in 6 groups (n=8) including male control, male animals exposed to acute stress, male animals exposed to chronic stress, female control, female animals exposed to  acute stress and female animals exposed to chronic stress were used in this study. Tissue samples were collected on the 3rd and 7th days after wound creation. iNOS concentration were measured by ELISA method and the concentration of NO was measured by determining nitrite concentrations in the samples using Griess reagent.
Results: Acute (P< 0.001) and chronic (P< 0.05) stress caused a significant increase in iNOS concentrations on the 3rd  and 7th days post wounding in male animals comparing to the control group. The concentration of iNOS was significantly increased in female animals only in the group exposed to the acute stress and on the 3rd day compared to the control group (P< 0.05). Acute and chronic stress caused a significant (P < 0.001) increase in NO concentrations in male animals when compared with the control group. NO concentrations was increased significantly in female animals exposed to acute stress comparing to the control group on 3rd day post wounding (P< 0.001).
Conclusion: Stress induced elevations in iNOS and NO concentrations could be one of the mechanisms underlying delayed wound healing by stress.
Keywords: Nitric Oxide, Restraint stress, Wound healing, Inducible Nitric Oxide Synthase
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Type of Study: Original Research | Subject: General
Received: 2021/07/28 | Accepted: 2021/10/20 | Published: 2023/07/31
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Ethics code: IR.UMSHA.REC.1398.596‎‏ ‏


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Tamri P, Zeraati F, Haddadi R, Karamali M. Evaluation of the Effect of Acute and Chronic Restraint Stress on Inducible Nitric Oxide Synthase and Nitric Oxide Levels in Wound Healing Process in Rat. SJKU 2023; 28 (3) :24-36
URL: http://sjku.muk.ac.ir/article-1-6871-en.html


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Volume 28, Issue 3 (Scientific Journal of Kurdistan University of Medical Sciences 2023) Back to browse issues page
مجله علمی دانشگاه علوم پزشکی کردستان Scientific Journal of Kurdistan University of Medical Sciences
مجله علمی دانشگاه علوم پزشکی کردستان Scientific Journal of Kurdistan University of Medical Sciences
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