Effects of oleic acid

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Content of fatty diet plays a significant role in the development and progression of chronic diseases. Generally, it is accepted that unsaturated fatty acids are beneficial. According to literature review, oleic acid (C18:1n-9) has positive impacts on various tissues in general and has negative impacts rarely. Olive oil composition includes high amount oleic acid. Considering of the effects of oleic acid on the cardiovascular system, it was determined that decreasing of the myocardial infarction rate, platelet aggregation and secretion of TXA2, plus reduce of the systolic blood pressure. LDL cholesterol was decreased. In terms of effects on the liver, while some studies suggest that oleic acid has beneficial effects, unlike other studies proved that exposed to oleic acid of hepatocytes induce ER (endoplasmic reticulum) stress in long - term period. The several studies which were investigating the efficacy of the oleic acid on the tumor tissue proved that OA increased to hepato-tumorigenesis in vivo as a potential. On te other hand, another research showed that oleic acid blocked the action of HER-2 / neu oncogene that led to breast cancer. Although some researchers reported that OA develop neutrophil phagocytic capacity and candidacidal activity, other researchers point out that these fatty acids didn’t cause any changes on bactericidal activity and fatty acids caused moderate decreases on phagocytosis and chemotaxis only in extremely high concentrations, and they suppressed to T lymphocytes. Although, most of studies have indicated to beneficial effects of oleic acids, also the adverse effects of oleic acid have been reported in a few studies. This situation requires further researches for detail information about oleic acid