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Showing 2 results for Rheumatoid Arthritis
Rasoul Sharifi , Akbar Nazari ,
Volume 18, Issue 3 (10-2018)
Abstract
Background & objectives: Metalloproteinases (MMPs) are one of the most important agents in cartilage damage in rheumatoid arthritis. Increase of these enzymes can change sensitivity to insulin. Therefore, in this study, the MMPs level, insulin sensitivity index and effective factor related to rheumatoid arthritis were evaluated in obese female with rheumatoid arthritis.
Methods: In the present study, 50 obese women with rheumatoid arthritis who were referred to the Sheikh Al-Reis clinic and Sina hospital in Tabriz and 50 healthy obese individuals were considered as case group and control group respectively. After determining the body weight, the levels of MMP-1, MMP-3, MMP-13, insulin, leptin, visfatin, resistin and glucose were measured using ELISA and Pars -Azmoon kits. One-way ANOVA method was used for statistical analysis of data. Pearson correlation test was used to evaluate the correlation between variables (p<0.05).
Results: in the present study, the mean level of MMP-1 (p=0.008), MMP-3 (p=0.015) and MMP-13 (p=0.001) in the case group was significantly higher than the control group. Also, Insulin- sensitivity index analysis didn’t show significant difference between the case group and the control group (p=0.21). In the case group, the level of leptin (p=0.000), resistin (p=0.000) and visfatin (p=0.024) was significantly increased compared to control group while insulin (p=0.231) and glucose (p=0.430) levels didn’t show significant increase.
Correlation results showed that there was a negative correlation between insulin and MMPs and a positive correlation with other parameters affecting insulin sensitivity.
Conclusion: our results showed, the matrix metalloproteinase level and the level of some factors affecting insulin sensitivity have increased in rheumatoid arthritis disease. Also, there was a significant positive correlation between the matrix metalloproteinase and some parameters affecting insulin sensitivity, including resistin and visfatin.
Sheida Payamipour, Maghsoud Peeri, Mohammad Ali Azarbaijani, Forouzan Fattahi Masrour,
Volume 24, Issue 1 (4-2024)
Abstract
Background: Rheumatoid arthritis is an autoimmune disease that gradually destroys the synovial joints and leads to chronic inflammation. This autoimmune disorder is associated with an increase in stress-related symptoms, including anxiety and depression, and a decrease in social behaviors, which severely reduces the patient's quality of life. Previous studies show that higher physical activity during adolescence may lead to a decrease in neurobehavioral disorders in adulthood. This study was conducted with the aim of evaluating the increase of physical activity from early adolescence on stress-related behaviors and inflammation in mice with rheumatoid arthritis.
Methods: Male mice were randomly exposed to a running wheel from early adolescence to adulthood, and then rheumatoid arthritis was induced. Stress-related behaviors, including anxiety, depression and social behavior were investigated in animals. The level of interleukin 17 (IL-17) and interferon gamma (IFN-γ) were also measured as important inflammatory markers in the serum.
Results: The results showed that physical activity from early adolescence significantly resulted in decreased stress in mice with rheumatoid arthritis. In addition, the running wheel led to a decrease in the levels of (IL-17) and (IFN-γ) in rheumatoid arthritis-induced mice as two important indicators of inflammation.
Conclusion: This study shows that increased physical activity during adolescence to adulthood may make mice resistant to increased stress and inflammation caused by rheumatic arthritis.
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