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  1. 0 資料タイプ別
  2. 03 紀要論文
  1. 250 大学院医歯学総合研究科(医)
  2. 20 紀要
  3. 01 Acta medica et biologica
  4. Vol.42 No.4

Expression of Placental Alkaline Phosphatase Isoenzyme in Human Gastrointestinal Carcinomas as Identified Using Monoclonal Antibodies

http://hdl.handle.net/10191/33257
http://hdl.handle.net/10191/33257
64a2485d-f681-4ab3-a807-c36b6326a0fa
名前 / ファイル ライセンス アクション
42(4)_171-178.pdf 42(4)_171-178.pdf (1.1 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2015-09-04
タイトル
タイトル Expression of Placental Alkaline Phosphatase Isoenzyme in Human Gastrointestinal Carcinomas as Identified Using Monoclonal Antibodies
タイトル
言語 en
タイトル Expression of Placental Alkaline Phosphatase Isoenzyme in Human Gastrointestinal Carcinomas as Identified Using Monoclonal Antibodies
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
著者 Muto, Ichiro

× Muto, Ichiro

WEKO 53178

Muto, Ichiro

Search repository
Aizawa, Kikuo

× Aizawa, Kikuo

WEKO 53179

Aizawa, Kikuo

Search repository
Suzuki, Tsutomu

× Suzuki, Tsutomu

WEKO 53180

Suzuki, Tsutomu

Search repository
Tanaka, Otsuo

× Tanaka, Otsuo

WEKO 53181

Tanaka, Otsuo

Search repository
抄録
内容記述タイプ Abstract
内容記述 Mouse monoclonal antibodies (MAbs) against MKN1 human gastric adenosquamous carcinoma cells were produced, and selected to bind to the placental alkaline phosphatase (PLAP) expressed by the cancer cells. One of the MAbs, M1H2, was highly specific for PLAP or PLAP-like isoenzyme and did not cross-react with intestinal or liver alkaline phosphatase enzymes. Another MAb, M1H9, also became bound to PLAP or a PLAP-like isoenzyme with a lower binding activity than M1H2, but also reacted weakly with enzymes other than PLAP or PLAP-like enzymes, indicating that the binding of M1H9 to PLAP or a PLAP-like enzyme was nonspecific. The antigen molecule recognized by MAbs was a Mr 65,000 peptide, being equivalent to a PLAP monomer as estimated by Western blot analysis. Immunocytochemical examination showed that these MAbs detected PLAP or a PLAP-like enzyme over the surface of MKN1, SCH, and A431 cells which express the enzyme with a uniform distribution, whereas reactivities to non-PLAP-producing, MKN45 and KATO-III cells were not detected. Immunohistological studies of human gastrointestinal carcinomas using M1H2 demonstrated that 26 of 29 esophageal carcinomas (90%), 12 of 27 gastric carcinomas (44%), and 10 of 18 colorectal carcinomas (56%) were reactive with the MAb. Noncancerous tissues adjacent to cancers did not react with the MAb. These results indicate that PLAP or the PLAP-like enzyme in gastrointestinal cancers may be regarded as cancer-specific antigens, and that M1H2 may be of value as a marker in gastrointestinal cancers, especially esophageal cancers.
書誌情報 Acta medica et biologica
en : Acta medica et biologica

巻 42, 号 4, p. 171-178, 発行日 1994-12
出版者
出版者 Niigata University School of Medicine
ISSN
収録物識別子タイプ ISSN
収録物識別子 05677734
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA00508361
著者版フラグ
値 publisher
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