Multimodal iterative sequencing of cancer genomes and single tumor cells
Multimodal iterative sequencing of cancer genomes and single tumor cells
批准号:
10363694
负责人:
Hanlee P Ji
金额:
$37.66万
依托单位:
依托单位国家:
美国
项目类别:
财政年份:
2021
资助国家:
美国
项目状态:
已结题
起止时间:
2021-03-03 至 2024-02-29
关键词:
AddressAllelesAlternative SplicingBar CodesBiological AssayBiological ModelsBiopsyBiopsy SpecimenBlood CellsCancer PatientCancer cell lineCellsCellularityClinicalClinical ResearchConsumptionDNADNA ResequencingDNA Sequence AlterationDataData SetDevelopmentDiagnostic testsEpigenetic ProcessEventGene ExpressionGene FusionGenesGeneticGenomicsGoalsGoldLibrariesLymphocyteMalignant NeoplasmsMeasuresMethodsMinorModalityMolecularMolecular AnalysisNucleic AcidsPatientsPerformancePolymerasePrecision therapeuticsPrimary NeoplasmPrimer ExtensionProtein IsoformsRNAReactionResearch PersonnelResidual TumorsResourcesSamplingSolidSourceTechnologyTestingTimeTissue SampleTissuesTranscriptValidationVariantanticancer researchbasebiomarker identificationcancer cellcancer diagnosiscancer genomecancer genomicscell free DNAclinical materialepigenetic markerexperimental analysisexperimental studygenetic variantgenome sequencinggenomic aberrationsgenomic biomarkerimprovedindividual patientinterestmultimodalityneoplastic cellnovelnovel diagnosticsnovel therapeuticsoutcome predictionpreservationprogramsresearch studysingle cell analysistargeted treatmenttherapy outcometherapy resistanttranscriptometranscriptome sequencingtranscriptomicstranslational cancer researchtumortumor DNAvariant detection
中文摘要
摘要
基因组测序技术在癌症分析中具有革命性意义。 从基因组学角度,
转录组学和表观遗传学数据,研究人员正在对癌症的机制进行新的发现
这些发展导致了新的疗法和诊断测试。 加速这些发现,基因组
分析应用于各种各样的分析物,例如无细胞DNA和来自组织活检的单细胞。
然而,考虑到可用于癌症基因组测序的可用基因组测序测定的范围不断增加,
然而,在这些研究中,一个主要的挑战来自于临床肿瘤样本的有限数量。 组织活检和
样品通常提供少量的基因组分析物。 因此,只有一两个基因组测序
可以进行实验,这导致对患者肿瘤特征的不完全了解。
为了解决这个问题,我们开发并验证了一种称为APEX的技术-这种测序技术
使得能够重复使用来源于多种临床样品的相同核酸分析物,
癌症转化研究和临床研究。 因此,研究人员有机会进行许多
对同一样本和基因组材料进行不同类型的基因组分析。 APEX技术基于
将核酸分析物共价连接到固体支持物上,使得原始基因组材料
永久保留,可以进行各种测序测定,因此,可以通过
多次迭代。 使用多个迭代还提供了一个机会,以改善关键
仅在一小部分肿瘤细胞中发生的基因组畸变。 我们建议开发APEX
用于对原发性癌症活检组织和肿瘤组织中的无细胞DNA进行集成的多模式和迭代基因组分析,
患者 目标1集中于无细胞DNA分析物,目标2集中于单细胞转录组测序.
总的来说,我们提出的APEX技术将广泛影响转化癌症研究领域,
提供了一个新的平台,使临床样品可以作为可再生资源,用于随后的基因组学研究。
测序 它消除了转化临床研究中有限数量的组织样本所带来的限制。
问题研究 通过这些改进,APEX将改善癌症体细胞基因组改变的评估
细胞,整合多模式测序技术,并提供个性化的分子分析,
癌症患者。
英文摘要
ABSTRACT
Genome sequencing technology has been transformative in the analysis of cancer. From genomic,
transcriptomic, and epigenetic data, researchers are making new discoveries about the mechanisms of cancer
development that are leading to new therapies and diagnostic tests. Accelerating these discoveries, genomic
analysis is being applied to a wide variety of analytes such as cell-free DNA and single cells from tissue biopsies.
However, given the increasing range of available genomic sequencing assays available for cancer genomic
studies, a major challenge comes from the limited amounts of clinical tumor samples. Tissue biopsies and
samples oftentimes provide a small amount of genomic analyte. As a result, only one or two genomic sequencing
experiments can be performed, which leads to a less than complete picture of features of a patient tumor.
To address this issue, we developed and validated a technology called APEX – this sequencing technology
enables repeated use of the same nucleic acid analytes derived from a variety of clinical samples relevant for
cancer translational research and clinical studies. As a result, researchers have the opportunity to conduct many
types of genomic analyses on the same sample and genomic material. APEX technology is based on the
covalent attachment of nucleic acid analytes to a solid support, so that the original genomic material is
permanently retained, can be subject to a variety of sequencing assays and as a result, can be analyzed through
many iterations. The use of multiple iterations also offers an opportunity to improve the delineations of critical
genomic aberrations that occur in only a small fraction of the tumor cells. We propose the development of APEX
for integrated multi-modal and iterative genomic analyses of primary cancer biopsies and cell free DNA from
patients. Aim 1 focuses on cell-free DNA analytes, and Aim 2 focuses on single-cell transcriptome sequencing.
Overall, our proposed APEX technology will broadly impact the field of translational cancer research by
providing a new platform whereby clinical samples can be used as a renewable resource for subsequent genomic
sequencing. It removes constraints afforded by limited amounts of tissue samples from translational clinical
studies. With these improvements, APEX will improve the assessment of somatic genomic alterations in cancer
cells, integration of multi-modal sequencing technologies, and offer personalized molecular analyses for each
cancer patient.
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会议论文
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海外基金