Ikeda Ikuo
Kyushu University
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Featured researches published by Ikeda Ikuo.
Biochimica et Biophysica Acta | 1987
Ikeda Ikuo; Imaizumi Katsumi; Sugano Michihiro
The absorption and transport of the base moieties of phosphatidylethanolamine (PE) and phosphatidylcholine (PC) which were fed to rats were compared. The major absorption site of ethanolamine-labeled PE was proximal jejunum while choline-labeled PC was absorbed almost equally throughout the jejunum. Lysophospholipids, glycerophosphoryl bases and constituent bases were the main digested products in intestinal content. This shows that base-labeled phospholipids were hydrolyzed to water-soluble products as well as lysophospholipids before absorption. The radioactivities from both phospholipids existed mainly in their parent phospholipids and water-soluble products in the intestinal mucosa. The amounts of lymphatic transport of the radioactivities from choline-labeled PC and ethanolamine-labeled PE were 17% and 8%, respectively, at 8 h after administration. The liver in lymph-cannulated rats contained 23% and 48% radioactivity from PC and PE, respectively, suggesting that base moieties of phospholipids, especially PE, were transported mainly via a non-lymphatic route, probably the portal vein, to the liver, as water-soluble products. The radioactivity from both base-labeled phospholipids in the liver was distributed in the parent phospholipids and water-soluble fractions. Ethanolamine-labeled PE was also incorporated into PC in the liver. These results indicate that intestinal absorption and transport of the base moiety of dietary PC and PE are similar; however, their intestinal absorption site and the extent of their separation during transport between the lymphatic and portal systems differ markedly.
Archive | 1997
Tsuji Hiroaki; Seto Akira; Imaizumi Katsumi; Ikeda Ikuo
Archive | 1997
Tsuji Hiroaki; Seto Akira; Imaizumi Katsumi; Ikeda Ikuo
Archive | 1997
Tsuji Hiroaki; Seto Akira; Imaizumi Katsumi; Ikeda Ikuo
Experimental Animals | 2008
Kato Masaki; Ito Yusuke; Sato Masao; Imaizumi Katsumi; Ikeda Ikuo
Bioscience, Biotechnology, and Biochemistry | 2003
Ikeda Ikuo; Mitsui Kosuke; Matsuoka Ryosuke; Hamada Tadateru; Imabayashi Sachiko; Uchino Akira; Yamada Koji; Imaizumi Katsumi
日本栄養・食糧学会誌 : Nippon eiyo shokuryo gakkaishi = Journal of Japanese Society of Nutrition and Food Science | 2002
Saito Shin-ichiro; 斉藤 慎一郎; 池田 郁男; Ikeda Ikuo; Sugano Michihiro; 菅野 道廣
Archive | 2002
池田 郁男; Ikeda Ikuo
Bioscience, Biotechnology, and Biochemistry | 2002
Okabe Masaaki; Oji Mariko; Ikeda Ikuo; Tachibana Hirofumi; Yamada Koji
Bioscience, Biotechnology, and Biochemistry | 2001
Kusaba-Nakayama Mioko; Ki Masami; Kawada Emiko; Sato Masao; Ikeda Ikuo; Mochizuki Toshihiro; Imaizumi Katsumi