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Targeting DEPTOR in multiple myeloma

多发性骨髓瘤中的 DEPTOR 靶向治疗

基本信息

批准号：
9977974
负责人：
ALAN K LICHTENSTEIN
金额：
$ 28.82万
依托单位：
UNIVERSITY OF CALIFORNIA LOS ANGELES
依托单位国家：
美国
项目类别：
财政年份：
2017
资助国家：
美国
起止时间：
2017-08-01 至 2022-07-31
项目状态：
已结题

来源：
https://reporter.nih.gov/project-details/9977974
关键词：
8q24 Apoptosis Apoptosis Regulation Gene Autophagocytosis Binding Binding Proteins Biochemical Cells Cessation of life Chromosomes Clinic Complex Cyclin D1 Data Diagnosis Disease FRAP1 gene Future Gene Expression Genetic Transcription Glycolysis Hybrids Lead Malignant Neoplasms Molecular Multiple Myeloma Mus Normal tissue morphology Paralysed Patients Pentosephosphate Pathway Pharmaceutical Preparations Phosphotransferases Play Proteasome Inhibitor Proteins Public Health Regulation Resistance Role TP53 gene Testing Therapeutic Index Therapeutic Uses Toxic effect Up-Regulation Work Yeasts bcl-1 Genes cytotoxic design drug modification drug testing expectation gene induction high-throughput drug screening in vivo inhibitor/antagonist knock-down mTOR Inhibitor metabolic profile molecular targeted therapies negative affect novel therapeutics prevent protein expression response side effect synergism therapeutic target tumor tumorigenesis

项目摘要

PROJECT SUMMARY/ABSTRACT Preliminary work indicates the mTOR-binding protein DEPTOR is a potential molecular target for therapy in multiple myeloma. It is specifically upregulated in this disease and its silencing is lethal to myeloma cells. We, thus, identified a potential DEPTOR inhibitor in a high-throughput drug screen. The inhibitor is effective in myeloma cells with the expected molecular alterations and induction of death. In this proposal we plan to further develop this inhibitor. We will generate biochemical derivatives with the aim of enhancing the therapeutic index of DEPTOR inhibitors, identify the mechanism of action of where the inhibitors first bind in myeloma cells, ascertain possible toxicity to normal tissues in mice with deleted DEPTOR expression and assess possible interactions with other anti-myeloma therapeutics that are used in the clinic. Our expectation is that these new drugs will be important additions to the armamentarium used in myeloma patients and, furthermore, they will be specifically tailored to patients with tumors that have high DEPTOR expression.

项目总结/摘要初步研究表明，mTOR结合蛋白DEPTOR是一个潜在的治疗靶点，多发性骨髓瘤它在这种疾病中特异性上调，其沉默对骨髓瘤细胞是致命的。我们，因此，在高通量药物筛选中鉴定了潜在的DEPTOR抑制剂。该抑制剂在以下方面有效：骨髓瘤细胞具有预期的分子改变和诱导死亡。在本提案中，我们计划进一步开发这种抑制剂。我们将生产生化衍生物，目的是提高 DEPTOR抑制剂的治疗指数，确定抑制剂首次结合的作用机制，骨髓瘤细胞，确定对DEPTOR表达缺失的小鼠中正常组织的可能毒性，评估与临床使用的其他抗骨髓瘤治疗药物可能存在的相互作用。我们的期望是这些新药将成为骨髓瘤患者治疗的重要补充，此外，它们将特别适合于具有高DEPTOR表达的肿瘤患者。