Two-pronged therapeutic approach for glioblastoma: high dose radiation therapy then repair of radiation-induced brain injury
胶质母细胞瘤的双管齐下治疗方法:高剂量放射治疗然后修复放射引起的脑损伤
基本信息
- 批准号:9751998
- 负责人:
- 金额:$ 15.33万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2018
- 资助国家:美国
- 起止时间:2018-08-01 至 2019-11-10
- 项目状态:已结题
- 来源:
- 关键词:AchievementAcuteAstrocytesBlood VesselsBrainBrain InjuriesBrain NeoplasmsCalciumCellsCellular StructuresCerebrovascular systemComplexDataDependenceDevelopmentDiseaseDoseEndotheliumEngraftmentFunctional ImagingGlioblastomaGliomaHemorrhageImageImmunocompetentIndividualInjuryIntra-Arterial InjectionsIschemiaLabelLiteratureMagnetic Resonance ImagingMalignant NeoplasmsMalignant neoplasm of brainMaximum Tolerated DoseMitoticModelingMolecularMolecular BiologyMusNervous System PhysiologyNeurogliaNeurological ModelsNeuronsPatientsPeripheralPrimary Brain NeoplasmsRadiationRadiation Dose UnitRadiation InjuriesRadiation induced damageRadiation therapyRegenerative MedicineReporterResearchResistanceRodentRodent ModelSignal TransductionSiteTestingTherapeuticTherapeutic InterventionTimeTissuesTransgenic AnimalsTransgenic OrganismsTransplantationWorkXenograft procedureanatomic imagingbasebioluminescence imagingdysmyelinationexperimental studyfetalimaging platformimprovedintravital imagingmultimodalitymyelinationnervous system disorderneuro-oncologyneurorestorationoncologypreservationpreventprogenitorradiation effectrecruitregenerativerepairedrestorative treatmenttooltreatment responsetreatment strategytumortwo photon microscopywhite matterwhite matter damage
项目摘要
Over the last few decades, we have witnessed exceptional progress in the fields of regenerative medicine and
oncology in terms of defining molecular mechanisms of disease, developing research tools (molecular biology,
imaging, transgenic animals) and identifying treatment strategies. While these two fields have overall divergent
targets they are can be envisioned as being complementary. Further interfacing is needed: in particular, the
field of neuro-oncology may greatly benefit from exploiting all the recent achievements in regenerative
medicine. Glioblastoma multiforme (GBM) accounts for approximately 65% of all primary brain tumors and is
characterized by low survival, with only 10% of patients surviving >5 years. Radiation therapy dose escalation
has been explored but now abandoned due to radiation-induced brain injury, which is primarily manifested by
damage to white matter and cerebral vasculature. We believe we can make significant advancements in
developing a better cure for GBM. Our preliminary experiments indicate that tumors can be completely
eradicated with radiation therapy provided that the dose is sufficiently high. We have shown complete
elimination of tumors without reoccurrence with a single dose of 40 or 80 Gy. Importantly, the injury as
manifested by white matter damage and the occurrence of hemorrhage as seen on magnetic resonance
imaging (MRI) was detectable after 2-3 months, providing an ample time window for therapeutic intervention.
We propose to perform a detailed characterization of radiation-induced brain injury following high dose
radiation therapy and to test the feasibility of regenerative approaches aiming at reversing or preventing the
injury to the most vulnerable components (white matter and vasculature). To this end, we will use a state-of-the
art multimodal intravital imaging platform with MRI, bioluminescence imaging (BLI) and two-photon microscopy
(2PM).
在过去的几十年里,我们见证了再生医学领域的非凡进步和
肿瘤学在定义疾病的分子机制、开发研究工具(分子生物学、
成像、转基因动物)和确定治疗策略。虽然这两个领域有总体上的分歧
可以想象,它们是相辅相成的目标。需要进一步对接:尤其是,
神经肿瘤学领域可能会从利用再生技术的所有最新成就中受益匪浅
医药。多形性胶质母细胞瘤(GBM)约占所有原发性脑肿瘤的65%。
以低存活率为特征,只有10%的患者存活5年。放射治疗剂量递增
曾被探索过,但现在由于辐射导致的脑损伤而被放弃,主要表现为
脑白质和脑血管受损。我们相信我们可以在以下方面取得重大进展
开发一种更好的治疗GBM的方法。我们的初步实验表明,肿瘤可以完全
只要剂量足够高,就可以用放射疗法根除。我们已经展示了完整的
单次照射40或80Gy可消除肿瘤,无复发。重要的是,受伤的原因
表现为脑白质损害和磁共振所见的出血
磁共振成像(MRI)在2-3个月后可检测到,为治疗干预提供了充足的时间窗口。
我们建议对高剂量辐射引起的脑损伤进行详细的描述。
并测试旨在逆转或预防癌症的再生方法的可行性
对最脆弱的部分(白质和血管)的损伤。为此,我们将使用
具有MRI、生物发光成像(BLI)和双光子显微镜的ART多模式活体成像平台
(下午2时)。
项目成果
期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Unlocking the potential of ultra-high dose fractionated radiation for effective treatment of glioblastoma.
释放超高剂量分割放射有效治疗胶质母细胞瘤的潜力。
- DOI:10.21203/rs.3.rs-3500563/v1
- 发表时间:2023
- 期刊:
- 影响因子:0
- 作者:Lan,Xiao-Yan;Kalkowski,Lukasz;Chu,Cheng-Yan;Jablonska,Anna;Li,Shen;Kai,Mihoko;Gao,Yue;Janowski,Miroslaw;Walczak,Piotr
- 通讯作者:Walczak,Piotr
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Piotr Walczak其他文献
Piotr Walczak的其他文献
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{{ truncateString('Piotr Walczak', 18)}}的其他基金
Treatment of ALS based on transplantation of glial restricted progenitors
基于神经胶质限制性祖细胞移植的 ALS 治疗
- 批准号:
9295061 - 财政年份:2015
- 资助金额:
$ 15.33万 - 项目类别:
Efficient Targeting of Therapeutic Cells in Stroke and EAE
中风和 EAE 治疗细胞的有效靶向
- 批准号:
8473291 - 财政年份:2012
- 资助金额:
$ 15.33万 - 项目类别:
Efficient Targeting of Therapeutic Cells in Stroke and EAE
中风和 EAE 治疗细胞的有效靶向
- 批准号:
8848148 - 财政年份:2012
- 资助金额:
$ 15.33万 - 项目类别:
Efficient Targeting of Therapeutic Cells in Stroke and EAE
中风和 EAE 治疗细胞的有效靶向
- 批准号:
8370236 - 财政年份:2012
- 资助金额:
$ 15.33万 - 项目类别:
Efficient Targeting of Therapeutic Cells in Stroke and EAE
中风和 EAE 治疗细胞的有效靶向
- 批准号:
8654367 - 财政年份:2012
- 资助金额:
$ 15.33万 - 项目类别:
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