T. A. Bogush, K. S. Spiridonova, E. A. Bogush, A. N. Grishanina, A. M. Scherbakov, M. I. Volkova, Z. M. Safarov, V. B. Matveev, V. S. Kosorukov
{"title":"Quantitative Immunofluorescence Evaluation of PD-L1 Expression in Non-Muscle-Invasive and Muscle-Invasive Urothelial Bladder Cancer","authors":"T. A. Bogush, K. S. Spiridonova, E. A. Bogush, A. N. Grishanina, A. M. Scherbakov, M. I. Volkova, Z. M. Safarov, V. B. Matveev, V. S. Kosorukov","doi":"10.3103/S0027131423060032","DOIUrl":null,"url":null,"abstract":"<p>The expression of PD-L1 protein is quantified in 56 samples of urothelial bladder cancer (BC). PD-L1 expression is detected in all BC samples, while in non-muscle-invasive bladder cancer (NMIBC) this score is 1.5 times higher than in muscle-invasive bladder cancer (MIBC) (<i>p</i> = 0.001). High PD-L1 expression level (≥30%) is observed in 20% of MIBC samples and among NMIBC tumors in 68% of cases, i.e., 3.4 times more often (<i>p</i> = 0.0004). The last fact justifies the prospect of starting therapy with immune checkpoint inhibitors at the onset of the disease for NMIBC.</p>","PeriodicalId":709,"journal":{"name":"Moscow University Chemistry Bulletin","volume":"78 6","pages":"338 - 343"},"PeriodicalIF":0.7000,"publicationDate":"2023-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Moscow University Chemistry Bulletin","FirstCategoryId":"1085","ListUrlMain":"https://link.springer.com/article/10.3103/S0027131423060032","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
The expression of PD-L1 protein is quantified in 56 samples of urothelial bladder cancer (BC). PD-L1 expression is detected in all BC samples, while in non-muscle-invasive bladder cancer (NMIBC) this score is 1.5 times higher than in muscle-invasive bladder cancer (MIBC) (p = 0.001). High PD-L1 expression level (≥30%) is observed in 20% of MIBC samples and among NMIBC tumors in 68% of cases, i.e., 3.4 times more often (p = 0.0004). The last fact justifies the prospect of starting therapy with immune checkpoint inhibitors at the onset of the disease for NMIBC.
期刊介绍:
Moscow University Chemistry Bulletin is a journal that publishes review articles, original research articles, and short communications on various areas of basic and applied research in chemistry, including medical chemistry and pharmacology.