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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한약리학회 The Korean Journal of Physiology & Pharmacology The Korean Journal of Physiology & Pharmacology 제23권 제5호
- 발행연도
- 2019.1
- 수록면
- 403 - 409 (7page)
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초록· 키워드
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Free fatty acid (FFA) intake regulates blood pressure and vascular reactivity but its direct effect on contractility of systemic arteries is not well understood. We investigated the effects of saturated fatty acid (SFA, palmitic acid), polyunsaturated fatty acid (PUFA, linoleic acid), and monounsaturated fatty acid (MUFA, oleic acid) on the contractility of isolated mesenteric (MA) and deep femoral arteries (DFA) of Sprague–Dawley rats. Isolated MA and DFA were mounted on a dual wire myograph and phenylephrine (PhE, 1–10 M) concentration-dependent contraction was obtained with or without FFAs. Incubation with 100 M of palmitic acid significantly increased PhE-induced contraction in both arteries. In MA, treatment with 100 M of linoleic acid decreased 1 M PhE-induced contraction while increasing the response to higher PhE concentrations. In DFA, linoleic acid slightly decreased PhEinduced contraction while 200 M oleic acid significantly decreased it. In MA, oleic acid reduced contraction at low PhE concentration (1 and 2 M) while increasing it at 10 M PhE. Perplexingly, depolarization by 40 mM KCl-induced contraction of MA was commonly enhanced by the three fatty acids. The 40 mM KCl-contraction of DFA was also augmented by linoleic and oleic acids while not affected by palmitic acid. SFA persistently increased alpha-adrenergic contraction of systemic arteries whereas PUFA and MUFA attenuated PhE-induced contraction of skeletal arteries. PUFA and MUFA concentration-dependent dual effects on MA suggest differential mechanisms depending on the types of arteries. Further studies are needed to elucidate underlying mechanisms of the various effects of FFA on systemic arteries.
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참고문헌 (47)
참고문헌 신청
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McNaughton SA / 2009 / Food patterns associated with blood lipids are predictive of coronary heart disease : the Whitehall II study / Br J Nutr 102:619~624
McNaughton SA / 2008 / Dietary patterns, insulin resistance, and incidence of type 2 diabetes in the Whitehall II Study / Diabetes Care 31:1343~1348
Mozaffarian D / 2016 / Heart disease and stroke statistics-2016 update : a report from the American Heart Association / Circulation 133:e38
Gaziano TA / 2007 / Reducing the growing burden of cardiovascular disease in the developing world / Health Aff(Millwood) 26:13~24
McNaughton SA / 2009 / Food patterns associated with blood lipids are predictive of coronary heart disease : the Whitehall II study / Br J Nutr 102:619~624
McNaughton SA / 2008 / Dietary patterns, insulin resistance, and incidence of type 2 diabetes in the Whitehall II Study / Diabetes Care 31:1343~1348
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