文献一覧: Eiryu Sai (著者)

4 0 0 0 OA Omega 3 Polyunsaturated Fatty Acids Suppress the Development of Aortic Aneurysms Through the Inhibition of Macrophage-Mediated Inflammation

著者: Takuma Yoshihara Kazunori Shimada Kosuke Fukao Eiryu Sai Yayoi Sato-Okabayashi Rie Matsumori Tomoyuki Shiozawa Hamad Alshahi Tetsuro Miyazaki Norihiro Tada Hiroyuki Daida
出版者: The Japanese Circulation Society
雑誌: Circulation Journal (ISSN:13469843)
巻号頁・発行日: vol.79, no.7, pp.1470-1478, 2015-06-25 (Released:2015-06-25)
参考文献数: 42
被引用文献数: 37 54

Background:Dietary intake of ω3 polyunsaturated fatty acids (ω3-PUFAs) reduces progression of atherosclerosis and prevents future cardiovascular events. Macrophages are key players in the pathogenesis of aortic aneurysm. The effects of ω3-PUFAs on abdominal aortic aneurysm (AAA) formation and macrophage-mediated inflammation remain unclear.Methods and Results:The AAA model was developed by angiotensin II infusion in apolipoprotein E-deficient mice. Mice were supplemented with eicosapentaenoic acid (EPA) or docosahexaenoic acid (DHA). The development of AAA lesions and macrophage infiltration in the aorta were analyzed. Gene expression of inflammatory markers in aortic tissues and peritoneal macrophages were measured by using quantitative polymerase chain reaction. AAA formation and macrophage infiltration were significantly suppressed after EPA and DHA administration. EPA administration and DHA administration significantly decreased the expression of tumor necrosis factor-α, monocyte chemoattractant protein-1, transforming growth factor-β, matrix metalloproteinases (MMP)-2, MMP-9, and vascular cell adhesion molecule-1 in the aortas. The expression of arginase 2, which is a marker of pro-inflammatory macrophages, was significantly lower and that of Ym1, which is a marker of anti-inflammatory macrophages, and was significantly higher after EPA and DHA administration. The same trends were observed in peritoneal macrophages after EPA and DHA administration.Conclusions:Dietary intake of EPA and DHA prevented AAA development through the inhibition of aortic and macrophage-mediated inflammation. (Circ J 2015; 79: 1470–1478)

2019-03-31 07:05:36
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2 0 0 0 OA Cerebral Infarction in an Elderly Patient during Dabigatran Treatment

著者: Yuji Nishizaki Shinichiro Yamagami Hitoshi Sasano Eiryu Sai Kazuhisa Takamura Toshiki Nakahara Yoshiaki Furukawa Hiroyuki Daida
出版者: 日本プライマリ・ケア連合学会
雑誌: General Medicine (ISSN:13460072)
巻号頁・発行日: vol.16, no.1, pp.41-44, 2015-03-20 (Released:2015-03-27)
参考文献数: 6

A 91 year-old male who was orally receiving dabigatran and digitalis for chronic arterial fibrillation was hospitalized for cerebral infarction (CI). The complications of anemia due to gastrointestinal bleeding and the development of renal failure were also found, which enhanced the effect of digitalis. This enhanced drug action induced bradycardia and hypotension. The hypotension was improved by implanting a temporary pacemaker, and the neurological abnormal findings also disappeared with the improved blood pressure. In many cases, dabigatran is efficient in preventing CI, but in our case it in fact triggered a CI hemodynamically due to bradycardia and hypotension with gastrointestinal bleeding.