Yuji Hirano, A. Kobayashi, Akira Haruki, H. Haga, M. Hara, Toyoji Sato, T. Ōhashi, K. Sasagawa, T. Miura, Yukio Shima, S. Watanabe
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引用次数: 0
Abstract
We studied serum samples which showed alkaline phosphatase (ALP) activity at or near the origin of the polyacrylamide gel electrophoresis. 1) Sucrose monolaurate (final concentration, 1.7%) treatment produced a new ALP band (SM-ALP band). 2) The SM-ALP band disappeared from the original region with anti-human placental ALP antibody and appeared at the high molecular region. 3) ALP activity of SM-ALP band was completely inactivated by heat treatment (at 65°C for 10 min). 4) The molecular mass was estimated to be approximately 350 kDa by a 5-20% (linear gradient) polyacrylamide slab gel electrophoresis. We concluded that the SM-ALP band was intestinal ALP tetramer.
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