Tracheal overexpression of IL-۱β, IRAK-۱ and TRAF-۶ mRNA in obese-asthmatic male Wistar rats
محل انتشار: مجله علوم پایه پزشکی ایران، دوره: 19، شماره: 4
سال انتشار: 1395
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 203
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شناسه ملی سند علمی:
JR_IJBMS-19-4_002
تاریخ نمایه سازی: 30 مهر 1400
چکیده مقاله:
Objective(s): Human and animal studies have shown a close relationship between obesity and asthma severity. Here, we examined the effects of diet-induced obesity (DIO) on the expression levels of IL-۱β, IRAK-۱ and TRAF-۶ mRNA in male Wistar rats tracheal after sensitization with ovalbumin (OVA). Materials and Methods:Twenty male Wistar rats divided to four groups, included, control group with normal diet (C+ND), OVA-sensitized group with normal diet (S+ND), control group with high-fat diet (C+HFD), and OVA-sensitized group with high-fat diet (S+HFD). All animals fed for ۸ weeks with standard pelts or high-fat diet, and then were sensitized and challenged with OVA or saline for another ۴ weeks with designed regimens. At the end of study, trachea isolated and examined for expression levels of IL-۱β, IRAK-۱ and TRAF-۶ mRNA with RT-PCR method. Results:Diet-induced obesity groups developed increased weight, obesity indexes and lipid profiles (P<۰.۰۵ to P<۰.۰۰۱). The expression levels of IL-۱β mRNA in OVA-sensitization groups (S+ND and S+HFD) showed a significantly increased when compared with control group. Also in S+HFD group, expression level of TRAF-۶ mRNA was higher than other groups (P<۰.۰۰۱). IRAK-۱ expression level was high in S+HFD compared with control group.IL-۱β and TRAF-۶ mRNA correlated positively with obesity indexes. Conclusion:The results showed that DIO causes overexpression of IL-۱β, IRAK-۱ and TRAF-۶ mRNA in an experimental model of asthma. Our results suggested that in obese-asthmatic conditions locally production and activation of pro-inflammatory agents can be increased. These findings showed that possible mechanism for obesity-asthma relationships.
نویسندگان
Mohammad Reza Aslani
Tuberculosis and Lung Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
Rana Keyhanmanesh
Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
Amir Mehdi Khamaneh
School of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
Mehran Mesgari Abbasi
Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
Maryam Fallahi
Department of Physiology, Tabriz University of Medical Sciences, Tabriz, Iran
Mohammad Reza Alipour
Tuberculosis and Lung Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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