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Bratislava Medical Journal Vol.116, No.4, p.236-240, 2015 |
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Title: Omega-3 fatty acids may be harmful to thickness of aortic intima-media | ||
Author: O. Bastug, L. Korkmaz, H. Halis, O. Canoz, T. Gunes | ||
Abstract: There are several studies confirming an association between nicotine exposure and increase in aortic intima-media thickness (aIMT) as a pre-atherosclerotic lesion. The ω-3 FAs are on the other hand reported to have an anti-atherogenic effect. We aimed to evaluate histopathologically the effect of nicotine exposure during pregnancy and lactation period on fetal growth and aIMT at postnatal 45 days of age in rat pups living in the same conditions and to determine the protective effect of ω-3 FAs. Pregnant rats were assigned into four groups. In nicotine (N) group; pregnant rats received nicotine subcutaneously and extra-virgin olive oil by gavage during pregnancy from 1 to 21 days of gestation and lactation. In nicotine+ ω-3 FAs (N+O) group; nicotine was administered subcutaneously and ω-3 FAs by gavage, in omega-3(O) group; ω-3 FAs were administered by gavage and saline subcutaneously, in control(C) group; saline was administered subcutaneously and extra-virgin olive oil by gavage for the same period. The aIMT was found to be greatest in N+O group, which indicated a significant difference compared to the control group (p < 0.05). No statistically significant difference was found among other groups. Although the majority of studies on ω-3 FAs suggest a beneficial effect, our study showed that exposure to ω-3 FAs increased the aIMT (Tab. 2, Fig. 3, Ref. 25). |
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Keywords: omega-3 fatty acid, aortic intima media, atherosclerosis, newborn. | ||
Year: 2015, Volume: 116, Issue: 4 | Page From: 236, Page To: 240 | |
doi:10.4149/BLL_2015_046 |
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