Konstantin Brawanski, Gero Brockhoff, Peter Hau, Arabel Vollmann-Zwerenz, Christian Freyschlag, Annette Lohmeier, Markus J Riemenschneider, Claudius Thomé, Alexander Brawanski, Martin A Proescholdt
{"title":"D,L-美沙酮在体外治疗胶质母细胞瘤中的疗效。","authors":"Konstantin Brawanski, Gero Brockhoff, Peter Hau, Arabel Vollmann-Zwerenz, Christian Freyschlag, Annette Lohmeier, Markus J Riemenschneider, Claudius Thomé, Alexander Brawanski, Martin A Proescholdt","doi":"10.2217/cns-2018-0006","DOIUrl":null,"url":null,"abstract":"<p><strong>Aim: </strong>Recently, D,L-methadone has been put forward as adjuvant treatment in glioblastoma (GBM).</p><p><strong>Methods: </strong>We analyzed the μ-opioid receptor expression in a set of GBM cell lines and investigated the efficacy of D,L-methadone alone and in combination with temozolomide (TMZ). Results & conclusion: Expression of the μ-opioid receptor was similar in the tested cell lines. High concentrations of D,L-methadone induced apoptosis in all cell lines and showed treatment interaction with TMZ. However, in lower dosages, reflecting clinically attainable concentrations, D,L-methadone alone showed no efficacy, and induced even higher proliferation in one specific cell line. Also, no interaction with TMZ was observed. These results suggest caution to the premature use of D,L-methadone in the treatment of GBM patients.</p>","PeriodicalId":10469,"journal":{"name":"CNS Oncology","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2018-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/95/0c/cns-07-18.PMC6200059.pdf","citationCount":"0","resultStr":"{\"title\":\"Efficacy of D,L-methadone in the treatment of glioblastoma in vitro.\",\"authors\":\"Konstantin Brawanski, Gero Brockhoff, Peter Hau, Arabel Vollmann-Zwerenz, Christian Freyschlag, Annette Lohmeier, Markus J Riemenschneider, Claudius Thomé, Alexander Brawanski, Martin A Proescholdt\",\"doi\":\"10.2217/cns-2018-0006\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Aim: </strong>Recently, D,L-methadone has been put forward as adjuvant treatment in glioblastoma (GBM).</p><p><strong>Methods: </strong>We analyzed the μ-opioid receptor expression in a set of GBM cell lines and investigated the efficacy of D,L-methadone alone and in combination with temozolomide (TMZ). Results & conclusion: Expression of the μ-opioid receptor was similar in the tested cell lines. High concentrations of D,L-methadone induced apoptosis in all cell lines and showed treatment interaction with TMZ. However, in lower dosages, reflecting clinically attainable concentrations, D,L-methadone alone showed no efficacy, and induced even higher proliferation in one specific cell line. Also, no interaction with TMZ was observed. These results suggest caution to the premature use of D,L-methadone in the treatment of GBM patients.</p>\",\"PeriodicalId\":10469,\"journal\":{\"name\":\"CNS Oncology\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2018-07-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/95/0c/cns-07-18.PMC6200059.pdf\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"CNS Oncology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.2217/cns-2018-0006\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"2018/6/19 0:00:00\",\"PubModel\":\"Epub\",\"JCR\":\"Q1\",\"JCRName\":\"Medicine\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"CNS Oncology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2217/cns-2018-0006","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2018/6/19 0:00:00","PubModel":"Epub","JCR":"Q1","JCRName":"Medicine","Score":null,"Total":0}
Efficacy of D,L-methadone in the treatment of glioblastoma in vitro.
Aim: Recently, D,L-methadone has been put forward as adjuvant treatment in glioblastoma (GBM).
Methods: We analyzed the μ-opioid receptor expression in a set of GBM cell lines and investigated the efficacy of D,L-methadone alone and in combination with temozolomide (TMZ). Results & conclusion: Expression of the μ-opioid receptor was similar in the tested cell lines. High concentrations of D,L-methadone induced apoptosis in all cell lines and showed treatment interaction with TMZ. However, in lower dosages, reflecting clinically attainable concentrations, D,L-methadone alone showed no efficacy, and induced even higher proliferation in one specific cell line. Also, no interaction with TMZ was observed. These results suggest caution to the premature use of D,L-methadone in the treatment of GBM patients.
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