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Rewriting Regulatory DNA to Dissect and Reprogram Gene Expression
Rewriting Regulatory DNA to Dissect and Reprogram Gene Expression
Rewriting Regulatory DNA to Dissect and Reprogram Gene Expression

Detailed Information

자료유형  
 학위논문 서양
최종처리일시  
20260202105617
ISBN  
9798265429322
DDC  
610
저자명  
Montgomery, Michael Thomas.
서명/저자  
Rewriting Regulatory DNA to Dissect and Reprogram Gene Expression
발행사항  
[Sl] : Stanford University, 2025
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2025
형태사항  
119 p
주기사항  
Source: Dissertations Abstracts International, Volume: 87-05, Section: B.
주기사항  
Includes supplementary digital materials.
주기사항  
Advisor: Engreitz, Jesse.
학위논문주기  
Thesis (Ph.D.)--Stanford University, 2025.
초록/해제  
요약Regulatory elements in the genome, such as enhancers and promoters, encode sequences that orchestrate when, in which cell types, and to what extent all human genes are expressed. The activities of these sequences are fine-tuned by their endogenous chromatin context, which is crucial for quantitative, spatiotemporal regulation of gene expression. However, mapping and decoding the sequences in regulatory elements responsible for cell type-specific gene expression remains challenging due to the lack of high-throughput tools for precisely measuring the quantitative effects of sequence edits directly on gene expression in endogenous context.In Chapter 1, I provide a concise introduction of the intricate relationship between regulatory DNA sequence, chromatin context, and cell type-specific gene regulation, and the capabilities and limitations of the technologies currently used to study them. In Chapter 2, I describe Variant-EFFECTS, a transformative technology we developed to introduce hundreds of designed edits to endogenous regulatory DNA and quantify their effects on gene expression. Through a series of proof-of-concept screens, we systematically dissected and reprogrammed 3 regulatory elements for 2 genes in 2 cell types. These data revealed endogenous binding sites with effects specific to genomic context, transcription factor motifs with cell type-specific activities, and limitations of computational models for predicting the effect sizes of variants. We identified small edits that can tune gene expression over a large dynamic range, suggesting new possibilities for prime editing-based therapeutics targeting regulatory DNA. Variant-EFFECTS provides a generalizable tool to dissect regulatory DNA and to identify genome editing reagents that tune gene expression in an endogenous context.
일반주제명  
DNA methylation
일반주제명  
Plasmids
일반주제명  
RNA polymerase
일반주제명  
CRISPR
일반주제명  
Gene expression
일반주제명  
Deep learning
일반주제명  
Syntax
일반주제명  
Antibodies
일반주제명  
Mutation
일반주제명  
Cloning
일반주제명  
Design
일반주제명  
Genomes
일반주제명  
Epigenetics
일반주제명  
Genomics
일반주제명  
Mutagenesis
일반주제명  
Drug resistance
일반주제명  
Transcription factors
일반주제명  
Biochemistry
일반주제명  
Bioinformatics
일반주제명  
Genetics
일반주제명  
Pharmacology
기타저자  
Stanford University.
기본자료저록  
Dissertations Abstracts International. 87-05B.
전자적 위치 및 접속  
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MARC

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■1001  ▼aMontgomery,  Michael  Thomas.
■24510▼aRewriting  Regulatory  DNA  to  Dissect  and  Reprogram  Gene  Expression
■260    ▼a[Sl]▼bStanford  University▼c2025
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2025
■300    ▼a119  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  87-05,  Section:  B.
■500    ▼aIncludes  supplementary  digital  materials.
■500    ▼aAdvisor:  Engreitz,  Jesse.
■5021  ▼aThesis  (Ph.D.)--Stanford  University,  2025.
■520    ▼aRegulatory  elements  in  the  genome,  such  as  enhancers  and  promoters,  encode  sequences  that  orchestrate  when,  in  which  cell  types,  and  to  what  extent  all  human  genes  are  expressed.  The  activities  of  these  sequences  are  fine-tuned  by  their  endogenous  chromatin  context,  which  is  crucial  for  quantitative,  spatiotemporal  regulation  of  gene  expression.  However,  mapping  and  decoding  the  sequences  in  regulatory  elements  responsible  for  cell  type-specific  gene  expression  remains  challenging  due  to  the  lack  of  high-throughput  tools  for  precisely  measuring  the  quantitative  effects  of  sequence  edits  directly  on  gene  expression  in  endogenous  context.In  Chapter  1,  I  provide  a  concise  introduction  of  the  intricate  relationship  between  regulatory  DNA  sequence,  chromatin  context,  and  cell  type-specific  gene  regulation,  and  the  capabilities  and  limitations  of  the  technologies  currently  used  to  study  them.  In  Chapter  2,  I  describe  Variant-EFFECTS,  a  transformative  technology  we  developed  to  introduce  hundreds  of  designed  edits  to  endogenous  regulatory  DNA  and  quantify  their  effects  on  gene  expression.  Through  a  series  of  proof-of-concept  screens,  we  systematically  dissected  and  reprogrammed  3  regulatory  elements  for  2  genes  in  2  cell  types.  These  data  revealed  endogenous  binding  sites  with  effects  specific  to  genomic  context,  transcription  factor  motifs  with  cell  type-specific  activities,  and  limitations  of  computational  models  for  predicting  the  effect  sizes  of  variants.  We  identified  small  edits  that  can  tune  gene  expression  over  a  large  dynamic  range,  suggesting  new  possibilities  for  prime  editing-based  therapeutics  targeting  regulatory  DNA.  Variant-EFFECTS  provides  a  generalizable  tool  to  dissect  regulatory  DNA  and  to  identify  genome  editing  reagents  that  tune  gene  expression  in  an  endogenous  context.
■590    ▼aSchool  code:  0212.
■650  4▼aDNA  methylation
■650  4▼aPlasmids
■650  4▼aRNA  polymerase
■650  4▼aCRISPR
■650  4▼aGene  expression
■650  4▼aDeep  learning
■650  4▼aSyntax
■650  4▼aAntibodies
■650  4▼aMutation
■650  4▼aCloning
■650  4▼aDesign
■650  4▼aGenomes
■650  4▼aEpigenetics
■650  4▼aGenomics
■650  4▼aMutagenesis
■650  4▼aDrug  resistance
■650  4▼aTranscription  factors
■650  4▼aBiochemistry
■650  4▼aBioinformatics
■650  4▼aGenetics
■650  4▼aPharmacology
■690    ▼a0389
■690    ▼a0800
■690    ▼a0487
■690    ▼a0715
■690    ▼a0369
■690    ▼a0419
■71020▼aStanford  University.
■7730  ▼tDissertations  Abstracts  International▼g87-05B.
■790    ▼a0212
■791    ▼aPh.D.
■792    ▼a2025
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17360771▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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