Working towards targeted therapy in H3K27M tumors: Aurora Kinase Inhibitors and the role of epigenome programming

致力于 H3K27M 肿瘤的靶向治疗:极光激酶抑制剂和表观基因组编程的作用

基本信息

  • 批准号:
    10627815
  • 负责人:
  • 金额:
    $ 37.36万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2020
  • 资助国家:
    美国
  • 起止时间:
    2020-09-01 至 2025-05-31
  • 项目状态:
    未结题

项目摘要

PROJECT SUMMARY Tumors affecting the brain result in more cancer-related deaths than any other type of tumor in children. It is therefore critical to identify new therapies for these deadly diseases. Among pediatric patients, one of the most devastating brain tumor types is diffuse midline gliomas with the H3K27M mutation, which includes the previously named Diffuse Intrinsic Pontine Glioma (DIPG). Our understanding of this deadly disease has recently been advanced by important discoveries, including the finding that almost all of DIPG tumors harbor the histone H3K27M mutation. This mutation results in global hypomethylation of H3K27 residues and is the pathological hallmark for this disease. How the H3K27M mutation is important for tumorigenesis is still being elucidated. At Mayo Clinic, we have shown that H3K27M mutation reprograms gene expression and histone methylation patterns, and is a key driver for these deadly tumors. We hypothesize this mutation creates unique therapeutic vulnerabilities, which can be exploited to develop novel therapies. In an effort to discover potential drug targets for H3K27M tumors, we performed a large scale drug screen which identified aurora kinase inhibitors (AKI) as a potent class of drugs that decreased the proliferation and survival of H3K27M tumor cell lines. Further testing revealed epigenetic changes with AKI treatment including restoring H3K27me3 levels, and decreased H3S10 and H3S28 phosphorylation. Testing of the aurora kinase A inhibitor alisertib in an orthotopic patient derived xenografts showed decreased tumor size, increased survival and on-target drug effects within the tumor. Based on these exciting results, we hypothesize that inhibition of Aurora Kinase is a targeted approach for treating tumors with the H3K27M mutation. In this proposal, we will elucidate how the H3K27M mutation effects mitosis, the mechanism how AKIs modulate the cell cycle and arrest of mitosis and understand the radiosensitizing effects of these drugs. Next we will understand the molecular mechanisms how aurora kinases modulate the epigenetic landscape and gene expression before and after inhibition. Finally, we will perform the necessary preclinical studies in animal models to support translational efforts in the clinic. We have assembled the necessary team required to successfully complete this project: including Jann Sarkaria, a radiation oncologist who specializes in translational animal research for high-grade gliomas, Ted Hinchcliffe, an expert in mitosis from the Hormel/University of MN, Steven Johnsen, an expert who studies epigenetic regulation in cancer, and the PI, David Daniels, a pediatric neurosurgeon and medicinal chemist, who has developed numerous H3K27M cell lines and studies drug delivery to the brainstem. We believe, together, the proposed studies and team, will not only make basic scientific discoveries aimed at understanding the molecular basis of tumorigenesis, but also lay the foundation for effective therapy for this deadly disease.
项目总结

项目成果

期刊论文数量(5)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Overcoming translational barriers in H3K27-altered diffuse midline glioma: Increasing the drug-tumor residence time.
  • DOI:
    10.1093/noajnl/vdad033
  • 发表时间:
    2023-01
  • 期刊:
  • 影响因子:
    0
  • 作者:
  • 通讯作者:
H3K27-altered diffuse midline glioma: a paradigm shifting opportunity in direct delivery of targeted therapeutics.
H3K27 改变的弥漫性中线神经胶质瘤:直接提供靶向治疗的范式转变机会。
  • DOI:
    10.1080/14728222.2023.2177531
  • 发表时间:
    2023
  • 期刊:
  • 影响因子:
    5.8
  • 作者:
    Rechberger,JulianS;Power,BlakeT;Power,EricaA;Nesvick,CodyL;Daniels,DavidJ
  • 通讯作者:
    Daniels,DavidJ
Feasibility of probe washing after stereotactic needle biopsy as a novel technique for developing cell lines and xenografts of H3 K27-altered diffuse midline gliomas.
立体定向针活检后探针清洗作为开发 H3 K27 改变的弥漫性中线神经胶质瘤细胞系和异种移植物的新技术的可行性。
  • DOI:
    10.3171/2023.5.peds22557
  • 发表时间:
    2023
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Rechberger,JulianS;Zhang,Liang;Ge,Jizhi;Nesvick,CodyL;Miller,KaiJ;Daniels,DavidJ
  • 通讯作者:
    Daniels,DavidJ
Nanoparticle Strategies to Improve the Delivery of Anticancer Drugs across the Blood-Brain Barrier to Treat Brain Tumors.
改善抗癌药物穿过血脑屏障的递送以治疗脑肿瘤的纳米颗粒策略。
  • DOI:
    10.3390/pharmaceutics15071804
  • 发表时间:
    2023-06-23
  • 期刊:
  • 影响因子:
    5.4
  • 作者:
    Vanbilloen, Wouter J. F.;Rechberger, Julian S.;Anderson, Jacob B.;Nonnenbroich, Leo F.;Zhang, Liang;Daniels, David J.
  • 通讯作者:
    Daniels, David J.
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David Daniels其他文献

David Daniels的其他文献

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{{ truncateString('David Daniels', 18)}}的其他基金

Deve inlopment of A High-Throughput Screen for Identification of Targeted Therapies in Brainstem Tumors with the H3K27M Mutation
开发用于鉴定 H3K27M 突变脑干肿瘤靶向治疗的高通量筛选
  • 批准号:
    10192036
  • 财政年份:
    2021
  • 资助金额:
    $ 37.36万
  • 项目类别:
Working towards targeted therapy in H3K27M tumors: Aurora Kinase Inhibitors and the role of epigenome programming
致力于 H3K27M 肿瘤的靶向治疗:极光激酶抑制剂和表观基因组编程的作用
  • 批准号:
    10402414
  • 财政年份:
    2020
  • 资助金额:
    $ 37.36万
  • 项目类别:
Working towards targeted therapy in H3K27M tumors: Aurora Kinase Inhibitors and the role of epigenome programming
致力于 H3K27M 肿瘤的靶向治疗:极光激酶抑制剂和表观基因组编程的作用
  • 批准号:
    10246488
  • 财政年份:
    2020
  • 资助金额:
    $ 37.36万
  • 项目类别:
Working towards targeted therapy in H3K27M tumors: Aurora Kinase Inhibitors and the role of epigenome programming
致力于 H3K27M 肿瘤的靶向治疗:极光激酶抑制剂和表观基因组编程的作用
  • 批准号:
    10027382
  • 财政年份:
    2020
  • 资助金额:
    $ 37.36万
  • 项目类别:
Uncovering Therapeutic Targets in Pediatric High Grade Gliomas with the H3K27M Mutation
发现具有 H3K27M 突变的儿童高级别胶质瘤的治疗靶点
  • 批准号:
    10238927
  • 财政年份:
    2017
  • 资助金额:
    $ 37.36万
  • 项目类别:
Uncovering Therapeutic Targets in Pediatric High Grade Gliomas with the H3K27M Mutation
发现具有 H3K27M 突变的儿童高级别胶质瘤的治疗靶点
  • 批准号:
    10000178
  • 财政年份:
    2017
  • 资助金额:
    $ 37.36万
  • 项目类别:

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