Yuki Okada, Hiroyuki Suzuki, Mika K Kaneko, Yukinari Kato
{"title":"开发用于流式细胞术和 Western Blot 分析的灵敏抗小鼠 CD39 单克隆抗体 (C39Mab-1)。","authors":"Yuki Okada, Hiroyuki Suzuki, Mika K Kaneko, Yukinari Kato","doi":"10.1089/mab.2023.0016","DOIUrl":null,"url":null,"abstract":"<p><p>CD39 is involved in adenosine metabolism by converting extracellular ATP to adenosine. As extracellular adenosine plays a critical role in the immune suppression of the tumor microenvironment, the inhibition of CD39 activity by monoclonal antibodies (mAbs) is one of the important strategies for tumor therapy. This study developed specific and sensitive mAbs for mouse CD39 (mCD39) using the Cell-Based Immunization and Screening method. The established anti-mCD39 mAb, C<sub>39</sub>Mab-1 (rat IgG<sub>2a</sub>, kappa), reacted with mCD39-overexpressed Chinese hamster ovary-K1 (CHO/mCD39) by flow cytometry. The kinetic analysis using flow cytometry indicated that the dissociation constant of C<sub>39</sub>Mab-1 for CHO/mCD39 was 7.3 × 10<sup>-9</sup> M. Furthermore, C<sub>39</sub>Mab-1 detected the lysate of CHO/mCD39 by western blot analysis. These results indicated that C<sub>39</sub>Mab-1 is useful for the detection of mCD39 in many functional studies.</p>","PeriodicalId":53514,"journal":{"name":"Monoclonal Antibodies in Immunodiagnosis and Immunotherapy","volume":" ","pages":"24-31"},"PeriodicalIF":0.0000,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Development of a Sensitive Anti-Mouse CD39 Monoclonal Antibody (C<sub>39</sub>Mab-1) for Flow Cytometry and Western Blot Analyses.\",\"authors\":\"Yuki Okada, Hiroyuki Suzuki, Mika K Kaneko, Yukinari Kato\",\"doi\":\"10.1089/mab.2023.0016\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>CD39 is involved in adenosine metabolism by converting extracellular ATP to adenosine. As extracellular adenosine plays a critical role in the immune suppression of the tumor microenvironment, the inhibition of CD39 activity by monoclonal antibodies (mAbs) is one of the important strategies for tumor therapy. This study developed specific and sensitive mAbs for mouse CD39 (mCD39) using the Cell-Based Immunization and Screening method. The established anti-mCD39 mAb, C<sub>39</sub>Mab-1 (rat IgG<sub>2a</sub>, kappa), reacted with mCD39-overexpressed Chinese hamster ovary-K1 (CHO/mCD39) by flow cytometry. The kinetic analysis using flow cytometry indicated that the dissociation constant of C<sub>39</sub>Mab-1 for CHO/mCD39 was 7.3 × 10<sup>-9</sup> M. Furthermore, C<sub>39</sub>Mab-1 detected the lysate of CHO/mCD39 by western blot analysis. These results indicated that C<sub>39</sub>Mab-1 is useful for the detection of mCD39 in many functional studies.</p>\",\"PeriodicalId\":53514,\"journal\":{\"name\":\"Monoclonal Antibodies in Immunodiagnosis and Immunotherapy\",\"volume\":\" \",\"pages\":\"24-31\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2024-02-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Monoclonal Antibodies in Immunodiagnosis and Immunotherapy\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1089/mab.2023.0016\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"2024/1/10 0:00:00\",\"PubModel\":\"Epub\",\"JCR\":\"Q3\",\"JCRName\":\"Medicine\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Monoclonal Antibodies in Immunodiagnosis and Immunotherapy","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1089/mab.2023.0016","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2024/1/10 0:00:00","PubModel":"Epub","JCR":"Q3","JCRName":"Medicine","Score":null,"Total":0}
Development of a Sensitive Anti-Mouse CD39 Monoclonal Antibody (C39Mab-1) for Flow Cytometry and Western Blot Analyses.
CD39 is involved in adenosine metabolism by converting extracellular ATP to adenosine. As extracellular adenosine plays a critical role in the immune suppression of the tumor microenvironment, the inhibition of CD39 activity by monoclonal antibodies (mAbs) is one of the important strategies for tumor therapy. This study developed specific and sensitive mAbs for mouse CD39 (mCD39) using the Cell-Based Immunization and Screening method. The established anti-mCD39 mAb, C39Mab-1 (rat IgG2a, kappa), reacted with mCD39-overexpressed Chinese hamster ovary-K1 (CHO/mCD39) by flow cytometry. The kinetic analysis using flow cytometry indicated that the dissociation constant of C39Mab-1 for CHO/mCD39 was 7.3 × 10-9 M. Furthermore, C39Mab-1 detected the lysate of CHO/mCD39 by western blot analysis. These results indicated that C39Mab-1 is useful for the detection of mCD39 in many functional studies.
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