{"title":"Relative adenosine production assay suitable for 2D and 3D tumor cell culture.","authors":"Apple Hui Min Tay, Andreas Lundqvist","doi":"10.1016/bs.mcb.2025.01.006","DOIUrl":null,"url":null,"abstract":"<p><p>Adenosine (ADO), an anti-inflammatory and immunosuppressive metabolite, plays a crucial role in mediating purinergic signaling alongside adenosine triphosphate (ATP) and adenosine monophosphate (AMP) within the tumor microenvironment. Dysregulated ADO signaling has been implicated in tumor immune evasion and progression, highlighting the importance of measuring ADO production. This method chapter presents a protocol for assessing ADO levels in both two- and three- dimensional tumor cell culture conditions. The protocol employs a competitive AMP blockade strategy, where excessive AMP is introduced to inhibit CD73-mediated conversion of AMP to ADO, enabling the quantification of relative ADO production. Given ADO's potent immunosuppressive properties and its influence on various immune responses, accurate measurement of ADO production is crucial for understanding its role in tumor immune evasion and for guiding the development of targeted immunotherapeutic strategies.</p>","PeriodicalId":18437,"journal":{"name":"Methods in cell biology","volume":"196 ","pages":"171-176"},"PeriodicalIF":0.0000,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Methods in cell biology","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.1016/bs.mcb.2025.01.006","RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2025/2/18 0:00:00","PubModel":"Epub","JCR":"Q4","JCRName":"Biochemistry, Genetics and Molecular Biology","Score":null,"Total":0}
引用次数: 0
Abstract
Adenosine (ADO), an anti-inflammatory and immunosuppressive metabolite, plays a crucial role in mediating purinergic signaling alongside adenosine triphosphate (ATP) and adenosine monophosphate (AMP) within the tumor microenvironment. Dysregulated ADO signaling has been implicated in tumor immune evasion and progression, highlighting the importance of measuring ADO production. This method chapter presents a protocol for assessing ADO levels in both two- and three- dimensional tumor cell culture conditions. The protocol employs a competitive AMP blockade strategy, where excessive AMP is introduced to inhibit CD73-mediated conversion of AMP to ADO, enabling the quantification of relative ADO production. Given ADO's potent immunosuppressive properties and its influence on various immune responses, accurate measurement of ADO production is crucial for understanding its role in tumor immune evasion and for guiding the development of targeted immunotherapeutic strategies.
期刊介绍：
For over fifty years, Methods in Cell Biology has helped researchers answer the question "What method should I use to study this cell biology problem?" Edited by leaders in the field, each thematic volume provides proven, state-of-art techniques, along with relevant historical background and theory, to aid researchers in efficient design and effective implementation of experimental methodologies. Over its many years of publication, Methods in Cell Biology has built up a deep library of biological methods to study model developmental organisms, organelles and cell systems, as well as comprehensive coverage of microscopy and other analytical approaches.
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