Transcriptional control by the epigenetic reader ENL in human cancer
Transcriptional control by the epigenetic reader ENL in human cancer
批准号:
10361460
负责人:
Liling Wan
金额:
$24.9万
依托单位国家:
美国
项目类别:
财政年份:
2020
资助国家:
美国
项目状态:
已结题
起止时间:
2020-03-01 至 2023-02-28
关键词:
AcetylationAffectAffinityAreaAwardBindingBiochemicalBiologyBromodomainCareer MobilityChemicalsChromatinClinicalComplexDNADNA BindingDataDevelopmentDrug TargetingEnvironmentEpigenetic ProcessEventFacultyFutureGene ExpressionGene Expression ProfileGene Expression RegulationGene MutationGenesGenetic TranscriptionGenomeGenomicsGoalsHistone AcetylationHistone CodeHistone H3HistonesHumanHyperactivityInstitutionInvestigationKidney NeoplasmsLeadLysineMaintenanceMalignant NeoplasmsMalignant childhood renal neoplasmMediatingMentorsMetabolicModelingMolecularMutationNephroblastomaOncogenicOncologyOutcomePathogenesisPathway interactionsPatternPediatric NeoplasmPhasePositioning AttributePost-Translational Protein ProcessingProcessPrognosisProteinsReaderReadingRecurrenceRegulator GenesRegulatory ElementReportingResearchResearch PersonnelRoleSequence-Specific DNA Binding ProteinSignal TransductionSomatic MutationSpecificityStructureSubgroupTechnologyTestingTherapeuticTherapeutic InterventionTrainingTranscriptional RegulationUniversitiesantagonistcancer cellcancer therapycareer developmentcofactorcombinatorialepigenetic regulationepigenomicsgain of functiongenome-widehigh riskinhibitorinnovationinsightleukemiamalignant phenotypemalignant statenovelnovel therapeutic interventionnovel therapeuticsprogramspromoterrecruitsuccesstherapeutic targettranscription factortranscriptometumor
中文摘要
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英文摘要
PROJECT SUMMARY/ABSTRACT
An emerging hallmark of cancer is epigenetic alteration, which often results directly from somatic mutations of
genes encoding chromatin factors or secondarily from hyperactive signal transduction or metabolic changes.
These epigenetic changes in turn render cancer cells highly reliant on the chromatin machinery to maintain the
malignant state, thus creating opportunities for therapeutic intervention by targeting chromatin. Histone post-
translational modifications (PTMs) carry an epigenetic layer of message that can be recognized and decoded by
dedicated protein “readers” to regulate fundamental DNA-templated processes. Therefore, these recognition
events constitute key mechanisms underlying transcriptional control in cancer. We recently discovered that ENL,
a YEATS domain-containing protein, acts as a novel reader for histone acetylation to regulate oncogenic gene
expression and is essential for the maintenance of a wide range of aggressive leukemia. Structural study
revealed an acetyl-lysine binding pocket in the ENL YEATS domain that is amenable for drug targeting.
Furthermore, recurrent mutations in the ENL YEATS domain were recently reported in Wilms tumor, the most
common kidney tumor in children and associated with poor outcome, indicating a broad and important role of
ENL in cancer. The goal of this project is to fully elucidate the mechanisms by which ENL and its tumor-
associated mutations establish and/or maintain the malignant state in cancer. During the mentored phase of the
award, the PI will apply innovative approaches to identify the combinatory histone codes and DNA-binding factors
that determine the gene-specific targeting of ENL (Aim 1). The PI will also identify and characterize effector
proteins that mediate the gene regulatory function of ENL in leukemia (Aim 2). During the independent phase,
the PI proposes to study the roles of tumor-associated ENL YEATS mutations by testing the hypothesis that the
mutations confer gain of function in chromatin targeting and transcriptional control to drive the development of
Wilms tumors (Aim 3). Together, results from these studies will provide novel insights into epigenetic reader-
mediated processes in cancer and advance the exploration of new therapeutic avenues for the associated cancer.
Under the guidance of an exceptional team of mentors, the PI will acquire new training in chromatin chemical
biology, computational epigenomics, and transcription regulation, which will critically contribute to the PI’s career
development and put her in a unique position to apply integrated approaches to reveal new insights into the
epigenetic control in cancer. The Rockefeller University and its neighboring institutions provide an outstanding
environment for the PI to carry out the proposed study and to enhance her professional development. The award
will serve as an ideal stepping stone for the PI to transition into an independence faculty position and to obtain
long-term success in the field of cancer epigenetics.
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会议论文
Illuminating transcriptional condensates using an integrated approach
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批准号:10245754
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项目类别:
-
资助金额:$146.25万
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财政年份:2021
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负责人:Liling Wan
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依托单位:
海外基金