Inhibitory Action of Synthetic Proteinase Inhibitors and Substrates on the Chemotaxis of Rat Polymorphonuclear Leukocytes in Vitro
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概要
- 論文の詳細を見る
The effect of synthetic proteinase inhibitors (PIs) and proteinase substrates on chemotaxis of rat polymorphonuclear leukocytes (PMNs) was studied by using Boyden's method in vitro. Serine-PIs had a potent inhibitory activity on PMN chemotaxis. The relative potencies of the inhibitory action of PIs on the PMN chemotaxis in vitro were TPCK>inhibitor B≥TLCK>EACA hexyl ester>FR 45009. The experiments using serine-proteinase substrates suggest an important role of chymotrypsinlike proteinase of PMNs in the process of PMN chemotaxis. Leupeptin had no direct effect on PMN chemotaxis in vitro, but significantly suppressed the zymosan-mediated generation of a chemoattractant for PMNs in rat serum. Other PIs had no effect on the generation of PMN chemoattractant. These results suggest that the PIs except leupeptin suppress PMN infiltration in vivo as a result of a direct action on PMNs, while leupeptin indirectly suppresses PMN infiltration in vivo through the inhibition of the generation of a chemoattractant for PMNs.
- 公益社団法人日本薬学会の論文
著者
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WATANABE Kazuyoshi
Faculty of Medical Welfare, Aichi Shukutoku University
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Sato K
Toyama Medical And Pharmaceutical Univ. Toyama Jpn
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Nakagawa Hideo
Faculty Of Pharmaceutical Sciences Toyama Medical And Pharmaceutical University:institute Of Cytosig
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Nakagawa H
Faculty Of Pharmaceutical Sciences Toyama Medical And Pharmaceutical University
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Sato Kiyoyuki
Faculty Of Pharmaceutical Sciences Toyama Medical And Pharmaceutical University
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Watanabe Kazuyoshi
Faculty Of Medical Welfare Aichi Shukutoku University
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Watanabe Kazuyoshi
Faculty Of Pharmaceutical Sciences Toyama Medical And Pharmaceutical University:institute Of Cytosig
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Watanabe K
Faculty Of Pharmaceutical Sciences Toyama Medical And Pharmaceutical University
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Watanabe K
Kureha Biomedical Research Lab. Tokyo Jpn
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Nakagawa Hideo
Faculty Of Pharmaceutical Sciences Toyama Medical And Pharmaceutical University
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