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Certain existing web servers are valuable and broadly utilized, but the meta-analysis of multiple datasets is absent. Most web servers only contain tumor samples from the TCGA database with only one cohort for each cancer type, which also means that the analysis results mainly derived from a single cohort are thin and unstable. Indeed, consistent performance across multiple independent cohorts is the foundation for an excellent biomarker. Moreover, the deeper exploration of specific biomarkers on underlying mechanisms, tumor microenvironment, and drug indications are missing in existing tools. Thus, we introduce BEST (Biomarker Exploration for Solid Tumors), a web application for comprehensive biomarker exploration on large-scale data in solid tumors. To ensure the comparability of genes between different sequencing technologies and the legibility of clinical traits, we re-annotated transcriptome data and unified the nomenclature of clinical traits. BEST delivers fast and customizable functions, including clinical association, survival analysis, enrichment analysis, cell infiltration, immunomodulator, immunotherapy, candidate agents, and genomic alteration. Together, our web server provides multiple cleaned-up independent datasets and diverse analysis functionalities, helping unleash the value of current data resources. It is freely available at\n                    <jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"https:\/\/rookieutopia.com\/\">https:\/\/rookieutopia.com\/<\/jats:ext-link>\n                    .\n                  <\/jats:p>","DOI":"10.1186\/s40537-023-00844-y","type":"journal-article","created":{"date-parts":[[2023,11,1]],"date-time":"2023-11-01T13:02:07Z","timestamp":1698843727000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":126,"title":["BEST: a web application for comprehensive biomarker exploration on large-scale data in solid tumors"],"prefix":"10.1186","volume":"10","author":[{"given":"Zaoqu","family":"Liu","sequence":"first","affiliation":[]},{"given":"Long","family":"Liu","sequence":"additional","affiliation":[]},{"given":"Siyuan","family":"Weng","sequence":"additional","affiliation":[]},{"given":"Hui","family":"Xu","sequence":"additional","affiliation":[]},{"given":"Zhe","family":"Xing","sequence":"additional","affiliation":[]},{"given":"Yuqing","family":"Ren","sequence":"additional","affiliation":[]},{"given":"Xiaoyong","family":"Ge","sequence":"additional","affiliation":[]},{"given":"Libo","family":"Wang","sequence":"additional","affiliation":[]},{"given":"Chunguang","family":"Guo","sequence":"additional","affiliation":[]},{"given":"Lifeng","family":"Li","sequence":"additional","affiliation":[]},{"given":"Quan","family":"Cheng","sequence":"additional","affiliation":[]},{"given":"Peng","family":"Luo","sequence":"additional","affiliation":[]},{"given":"Jian","family":"Zhang","sequence":"additional","affiliation":[]},{"given":"Xinwei","family":"Han","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2023,11,1]]},"reference":[{"key":"844_CR1","doi-asserted-by":"publisher","DOI":"10.1038\/s41577-022-00719-y","author":"PT Hamilton","year":"2022","unstructured":"Hamilton PT, Anholt BR, Nelson BH. 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