Protective Effects of Linoleic Acid against the Cytotoxicity of Palmitic Fatty Acid in Rat Cardiomyocytes
سال انتشار: 1395
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 125
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شناسه ملی سند علمی:
JR_JKMU-23-6_006
تاریخ نمایه سازی: 19 دی 1401
چکیده مقاله:
Background & Aims: Lipotoxicity is the process through which accumulation of lipid intermadiates leads to cellular dysfunction. The worldwide prevalence of cardiovascular diseases has been increased dramatically due to lipotoxicity. According to the peformed studies, saturated and unsaturated fatty acids differ significantly in their contributions to lipotoxicity. It has been reported that linolenic acid prevents lipotocixity in rat hepatocytes. The objective of the present study was to evaluate the effects of linolenic acid on the lipotoxicity induced by palmitic acid in adult rat cardiomyocyte. Methods: Ventricular heart muscle cells were isolated and seeded into ۲۴-well-plates. Cells were randomly treated with palmitic acid (۰.۵ mM), linolenic acid (۰.۵ mM), palmitic acid+ linolenic acid (۰.۵ mM+۰.۵ mM) or left as control. Triacylglycerol (TAG), diacylglycerol (DAG), DNA fragmentation and percent of viability were measured at ۲۴, ۴۸ hours. Results: Linolenic acid decreased DAG and DNA fragmentation and increased TAG and viability when co-administrated with palmitic acid in comparison with palmitic acid alone (P< ۰.۰۵). Conclusion: In conclusion, linolenic acid significantly eliminates induced lipotoxicity induced by palmitic acid in primary adult rat cardiomyocytes culture.
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نویسندگان
Elham Zadeh Hashem
Assistant Professor, Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran
Freshteh Panahandeh
Department of Biochemistry, Payame Noor University, Branch of Tehran- Shargh, Tehran, Iran
Behzad Lame- Rad
Assistant Professor of Biochemistry, Payame Noor University, Branch of Tehran- Shargh, Tehran, Iran
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