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    Article

    Inositol 1,4,5-trisphosphate accumulation in brain of lithium-treated rats

    The mechanism of action of lithium as a drug for patients with affective disorders was investigated. Three-week-old male rats were orally administered 2.7 mEq Li2CO3/kg/d for 1 or 3 wk, and phosphatidylinositol (...

    Yoshio Ishima, Michiyo Fujimagari, Yasuo Masuzawa, Keizo Waku in Lipids (1993)

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    Article

    Regulation of the biosynthesis of platelet-activating factor in alveolar macrophages

    Activities of enzymes which metabolize lysoplatelet-activating factor (lysoPAF) and platelet-activating factor (PAF) were studied in rabbit alveolar macrophage lysates. Substantial acetyltransferase activity w...

    Takayuki Sugiura, Ayako Ojima-Uchiyama, Yasuo Masuzawa, Masamichi Fujita… in Lipids (1991)

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    Article

    Production of platelet-activating factor by human normodense and hypodense eosinophils

    Normodense eosinophils and neutrophils from normal donors produced considerable amounts of plateletactivating factor (PAF) when stimulated with ionophore A23187. PAF produced by eosinophils appeared to be degr...

    Ayako Ojima-Uchiyama, Yasuo Masuzawa, Takayuki Sugiura, Keizo Waku… in Lipids (1991)

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    Article

    Phospholipid analysis of human eosinophils: High levels of alkylacylglycerophosphocholine (PAF precursor)

    The phospholipid composition and fatty acid profiles of human eosinophils were studied. Extremely high levels of ether phospholipids were found in this type of cell, such as alkylacylglycerophosphocholine (GPC...

    Ayako Ojima-Uchiyama, Yasuo Masuzawa, Takayuki Sugiura, Keizo Waku, Hiroshi Saito… in Lipids (1988)

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    Chapter

    Metabolism of Docosahexaenoic-Acid-Containing Species of Ether Phospholipid in Rat Brain

    The metabolism of hexaene species of ethanolamine plasmalogen (1-alk-1’-enyl-2-acylglycero-3-phosphoethanol-amine, alkenylacyl-GPE) and 1-alkyl-2-acylglycero-3-phosphoethanolamine (alkylacyl-GPE) was studied b...

    Yasuo Masuzawa, Yoshiaki Onuma, Keizo Waku, Yoshio Ishima in Neural Membranes (1983)

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    Article

    Alkenyl and alkyl ether phospholipids in pig mesenteric lymph node lymphocytes

    Significant amounts of alkenyl and alkyl ether phosphoglycerides were found in pig mesenteric lymph node lymphocytes. The choline phosphoglycerides are composed of 2.6% alkenyl ether and 25.7% alkyl ether comp...

    Takayuki Sugiura, Yasuo Masuzawa, Keizo Waku in Lipids (1980)