Volume 8, Number 3 (May & June 2017 -- 2017)                   BCN 2017, 8(3): 173-182 | Back to browse issues page




DOI: 10.18869/nirp.bcn.8.3.173

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Golabi S, Zaringhalam J, Manaheji H. Research Paper: The Impact of Synovial NF-ĸB Activation on Apoptosis Pattern Change During Adjuvant-induced Inflammation. BCN. 2017; 8 (3) :173-182
URL: http://bcn.iums.ac.ir/article-1-801-en.html

1- ph.D. student Neurophysiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
2- PhD Neurophysiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
3- Associated Prof. Neurophysiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Abstract:  

Introduction: Apoptosis dysregulation plays a substantial role in the pathophysiology of chronic inflammation and its related symptoms such as edema. Regulation of NF-ĸB activation is involved in apoptosis pattern change. The current study aimed at verifying the effects of local inflammation on edema and changes in apoptotic markers, and investigating the possible role of NF-ĸB in apoptosis pattern change during different stages of complete Freund’s adjuvant (CFA)-induced knee arthritis in rats.
Methods: A total of 96 male Wistar rats were divided into different experimental groups. Arthritis was evoked into the right knee articular joint. Changes made in knee edema were assessed by caliper on the days 0, 7, 14, and 21 of the study. Synovial NF-ĸB and levels of apoptotic markers were evaluated during different stages of the study using Western blot technique. 
Results: CFA injection caused intense edema during the whole study period. Synovial NF-ĸB level increased during the whole study period. The level of apoptotic markers increased during the acute phase of study. But during chronic phase, the apoptosis level decreased. Inh-NF-ĸB administration increased synovial apoptosis during the whole study period.
Conclusion: It seems that apoptosis pattern change plays an important role in the progression and modulation of CFA-induced inflammation and its related symptoms. Also, it can be concluded that synovial NF-ĸB had a crucial role in synovial apoptosis change during the study period.

Type of Study: Original | Subject: Behavioral Neuroscience
Received: 2016/11/9 | Accepted: 2017/02/3 | Published: 2017/05/1

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