Dual-pronged nano-drug delivery using plant virus-like particles
使用植物病毒样颗粒的双管齐下纳米药物输送
基本信息
- 批准号:10700990
- 负责人:
- 金额:$ 36.52万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2022
- 资助国家:美国
- 起止时间:2022-09-15 至 2027-08-31
- 项目状态:未结题
- 来源:
- 关键词:4T1BindingBiodistributionBiological AssayBlocking AntibodiesBloodBreast Cancer PatientCanis familiarisCellsClinicalClinical TrialsCombined Modality TherapyCompanionsCowpea Mosaic VirusesDataDevelopmentDiseaseDisseminated Malignant NeoplasmDistant MetastasisDoseDrug Delivery SystemsEngineeringEventExtracellular MatrixFemaleFlow CytometryFundingFutureGenomicsGoalsHumanImmuneImmune checkpoint inhibitorImmune systemImmunologicsImmunotherapyIn VitroInflammationInnate Immune SystemIntravenousLibrariesLifeLinkMalignant NeoplasmsMammary NeoplasmsMolecularMonitorMonoclonal AntibodiesMyelogenousNeoplasm MetastasisPatientsPatternPattern recognition receptorPeptidesPharmacologyPlant VirusesPrognosisPropertyProteinsRadiationRecurrenceResearchResourcesS100A9 geneSafetyScheduleSignal TransductionSiteSpainSpecificityT-LymphocyteTLR2 geneTestingTimeTissuesToll-like receptorsToxic effectTumor AntigensTumor ImmunityTumor MarkersVirus-like particleanti-PD-L1biophysical propertiescancer immunotherapycandidate identificationcandidate selectioncarcinogenesischeckpoint therapychemotherapyeffector T cellefficacy evaluationimmune modulating agentsimmunoregulationin situ vaccinationin vivoinsightmalignant breast neoplasmmouse modelnanodrugnanomedicinenanoparticleneoantigenspathogenpersonalized approachpharmacologicpreclinical developmentpreventprogrammed cell death ligand 1receptorresidencesafety assessmentsynergismtargeted treatmenttreatment responsetriple-negative invasive breast carcinomatumortumor growthtumor microenvironmenttumorigenesis
项目摘要
Summary
This R01 renewal application is focused on triple negative breast cancer (TNBC), which is an aggressive life-
threatening disease with poor prognosis and increased likelihood of recurrence and distant metastasis.
Advances in cancer immunotherapy have demonstrated that modulation of the patient’s immune system can
result in dramatic antitumor activity. The most promising immunotherapy approaches are those that are
personalized and take advantage of the unique neoantigens within each patient’s tumor. Toward this goal, we
developed a plant virus nanoparticle immunotherapy approach that activates innate immune cells within
the tumor microenvironment (TME) to launch adaptive, systemic, and durable antitumor immunity.
Specifically, intratumorally injected cowpea mosaic virus (CPMV) demonstrates potent efficacy in multiple mouse
models, incl. TNBC. Trials in companion dogs with breast cancer also demonstrate potent antitumor efficacy.
During the previous funding cycle, we gained insights into the mechanism of action and demonstrated that
CPMV is recognized by pathogen-associated molecular pattern (PAMP) receptors that detect danger signals
and activate the innate immune system; specifically, CPMV is recognized by Toll-like receptors (TLR2, 4 and 7).
Further, we developed and tested combination and dual-pronged treatment approaches: we demonstrated
efficacy of CPMV as solo-treatment as well as in combination with radiation, chemotherapy, immunomodulatory
drugs, and checkpoint inhibitors, amongst others. This proposal builds on this strong portfolio of data. Our first
goal is to focus on dual-pronged CPMV that combines its immunomodulatory and antitumor immunity properties
with checkpoint therapy (Aim 1). Checkpoint blocking antibodies are effective at removing inhibitory signals but
as monotherapy have variable and limited efficacy. In situ vaccination with CPMV increases tumor antigen
specific effector T cells and our preliminary data indicate that CPMV treatment synergizes with immune
checkpoint therapy. Next, we seek to develop targeted approaches that effectively concentrate systemically
administered CPMV in tumors and provide further therapy options to treat metastatic disease (Aim 2). S100A9-
targeted CPMV will be studied: expression of S100A9 (also known as myeloid-related protein 14 [MRP-14]), is
linked to inflammation and carcinogenesis. Higher S100A9 expression in breast cancer correlates with a worse
prognosis. S100A9 expression is an early event in tumorigenesis, enhancing tumor aggressiveness and
metastasis. In the TME, S100A9 is secreted to the extracellular matrix, making it a highly suitable target for
nanomedicine. Recognizing the potential of S100A9 as a pharmacologic target, we developed S100A9-targeted
CPMV that efficiently concentrates at sites of metastasis enabling potent efficacy preventing outgrowth of
metastases. Here we set out to detail the mechanisms of action and understand the pharmacology of S100A9-
targeted CPMV. Finally, the preclinical development will be substantially extended with veterinary clinical trials
in companion dogs with mammary tumors (Aim 3).
总结
本次R 01续期申请重点关注三阴性乳腺癌(TNBC),这是一种侵略性的生活-
预后差、复发和远处转移可能性增加的威胁性疾病。
癌症免疫治疗的进展已经证明,调节患者的免疫系统可以
导致显著的抗肿瘤活性。最有前途的免疫治疗方法是那些
个性化并利用每个患者肿瘤内的独特新抗原。为了实现这一目标,我们
开发了一种植物病毒纳米颗粒免疫治疗方法,
肿瘤微环境(TME)启动适应性,系统性和持久的抗肿瘤免疫。
具体地,肿瘤内注射豇豆花叶病毒(CPMV)在多个小鼠中显示出有效的功效。
模型,包括TNBC。在患有乳腺癌的伴侣犬中进行的试验也证明了有效的抗肿瘤疗效。
在上一个供资周期,我们深入了解了作用机制,并证明,
CPMV被病原体相关分子模式(PAMP)受体识别,该受体检测危险信号
并激活先天免疫系统;具体而言,CPMV被Toll样受体(TLR 2、4和7)识别。
此外,我们开发并测试了联合和双管齐下的治疗方法:我们证明了
CPMV单独治疗以及与放疗、化疗、免疫调节剂联合治疗疗效
药物和检查点抑制剂等。这一建议建立在这一强大的数据组合基础上。我们的第一
我们的目标是集中在双管齐下的CPMV,结合其免疫调节和抗肿瘤免疫特性
检查点疗法(目标1)。检查点阻断抗体可有效去除抑制信号,
因为单一疗法的疗效可变且有限。原位接种CPMV增加肿瘤抗原
特异性效应T细胞和我们的初步数据表明,CPMV治疗与免疫应答协同作用,
检查点疗法接下来,我们寻求制定有针对性的方法,有效地集中系统
在肿瘤中施用CPMV并提供进一步的治疗选择以治疗转移性疾病(目的2)。S100A9-
将研究靶向CPMV:S100 A9(也称为骨髓相关蛋白14 [MRP-14])的表达,
与炎症和致癌有关。乳腺癌中S100 A9的高表达与乳腺癌的预后相关。
预后S100 A9表达是肿瘤发生的早期事件,增强了肿瘤的侵袭性,
转移在TME中,S100 A9分泌到细胞外基质,使其成为高度适合的靶点,
纳米医学认识到S100 A9作为药理学靶点的潜力,我们开发了S100 A9靶向
CPMV有效地集中在转移部位,从而能够有效地防止肿瘤的生长。
转移在这里,我们开始详细介绍S100 A9的作用机制和药理学。
针对CPMV。最后,临床前开发将通过兽医临床试验得到实质性扩展
在患有乳腺肿瘤的伴侣犬中(目标3)。
项目成果
期刊论文数量(10)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Cowpea Mosaic Virus (CPMV)-Based Cancer Testis Antigen NY-ESO-1 Vaccine Elicits an Antigen-Specific Cytotoxic T Cell Response.
- DOI:10.1021/acsabm.0c00259
- 发表时间:2020-07-20
- 期刊:
- 影响因子:4.7
- 作者:Patel BK;Wang C;Lorens B;Levine AD;Steinmetz NF;Shukla S
- 通讯作者:Shukla S
Development of a Virus-Like Particle-Based Anti-HER2 Breast Cancer Vaccine.
- DOI:10.3390/cancers13122909
- 发表时间:2021-06-10
- 期刊:
- 影响因子:5.2
- 作者:Hu H;Steinmetz NF
- 通讯作者:Steinmetz NF
Viral nanoparticle vaccines against S100A9 reduce lung tumor seeding and metastasis.
- DOI:10.1073/pnas.2221859120
- 发表时间:2023-10-24
- 期刊:
- 影响因子:11.1
- 作者:Chung, Young Hun;Ortega-Rivera, Oscar A.;Volckaert, Britney A.;Jung, Eunkyeong;Zhao, Zhongchao;Steinmetz, Nicole F.
- 通讯作者:Steinmetz, Nicole F.
Doxorubicin-Loaded Physalis Mottle Virus Particles Function as a pH-Responsive Prodrug Enabling Cancer Therapy.
- DOI:10.1002/biot.202000077
- 发表时间:2020-12
- 期刊:
- 影响因子:4.7
- 作者:Hu H;Steinmetz NF
- 通讯作者:Steinmetz NF
Bluetongue Virus Particles as Nanoreactors for Enzyme Delivery and Cancer Therapy.
- DOI:10.1021/acs.molpharmaceut.0c01053
- 发表时间:2021-03-01
- 期刊:
- 影响因子:4.9
- 作者:Thuenemann EC;Le DHT;Lomonossoff GP;Steinmetz NF
- 通讯作者:Steinmetz NF
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{{ truncateString('Nicole Franziska Steinmetz', 18)}}的其他基金
Dual-pronged nano-drug delivery using plant virus-like particles.
使用植物病毒样颗粒进行双管齐下的纳米药物输送。
- 批准号:
9982275 - 财政年份:2018
- 资助金额:
$ 36.52万 - 项目类别:
Dual-pronged nano-drug delivery using plant virus-like particles.
使用植物病毒样颗粒进行双管齐下的纳米药物输送。
- 批准号:
10224677 - 财政年份:2018
- 资助金额:
$ 36.52万 - 项目类别:
Dual-pronged nano-drug delivery using plant virus-like particles
使用植物病毒样颗粒的双管齐下纳米药物输送
- 批准号:
9372245 - 财政年份:2017
- 资助金额:
$ 36.52万 - 项目类别:
A theranostic approach for risk stratification and intervention of deep vein thrombosis.
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9767271 - 财政年份:2017
- 资助金额:
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Diagnosis and longitudinal monitoring of metastatic prostate cancer through molecular MR imaging
通过分子磁共振成像诊断和纵向监测转移性前列腺癌
- 批准号:
9208751 - 财政年份:2016
- 资助金额:
$ 36.52万 - 项目类别:
Diagnosis and longitudinal monitoring of metastatic prostate cancer through molecular MR imaging.
通过分子磁共振成像诊断和纵向监测转移性前列腺癌。
- 批准号:
9755062 - 财政年份:2016
- 资助金额:
$ 36.52万 - 项目类别:
Diagnosis and longitudinal monitoring of metastatic prostate cancer through molecular MR imaging.
通过分子磁共振成像诊断和纵向监测转移性前列腺癌。
- 批准号:
9629935 - 财政年份:2016
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Engineering 'Grapevine Virus A' filaments for nanomedical applications
工程“葡萄病毒 A”细丝用于纳米医学应用
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- 资助金额:
$ 36.52万 - 项目类别:
Detection of lethal prostate cancer with macromolecule-based, EGFL-7 targeted MR imaging approach
使用基于大分子的 EGFL-7 靶向 MR 成像方法检测致命性前列腺癌
- 批准号:
8954282 - 财政年份:2015
- 资助金额:
$ 36.52万 - 项目类别:
Detection of lethal prostate cancer with macromolecule-based, EGFL-7 targeted MR imaging approach
使用基于大分子的 EGFL-7 靶向 MR 成像方法检测致命性前列腺癌
- 批准号:
9094573 - 财政年份:2015
- 资助金额:
$ 36.52万 - 项目类别:
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