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Spatiotemporal Profiling of Gene Expression in Health and Disease- [electronic resource]
Spatiotemporal Profiling of Gene Expression in Health and Disease - [electronic resource] ...
Spatiotemporal Profiling of Gene Expression in Health and Disease- [electronic resource]

상세정보

자료유형  
 학위논문(국외)
자관 청구기호  
기본표목-개인명  
표제와 책임표시사항  
Spatiotemporal Profiling of Gene Expression in Health and Disease - [electronic resource] / Madhav Mantri
발행, 배포, 간사 사항  
[S.l.] : Cornell University. , 2023
    발행, 배포, 간사 사항  
    Ann Arbor : ProQuest Dissertations & Theses , 2023
      형태사항  
      1 online resource(p.275 )
      일반주기  
      Source: Dissertations Abstracts International, Volume: 85-03, Section: B.
      일반주기  
      Advisor: De Vlaminck, Iwijn.
      학위논문주기  
      Thesis (Ph.D.)--Cornell University, 2023.
      이용제한주기  
      This item must not be sold to any third party vendors.
      요약 등 주기  
      요약Advances in single-cell RNA sequencing and spatial transcriptomics have transformed our understanding of cell biology, allowing for the study of gene expression at the single-cell level within the context of tissue architecture. Here, I leverage the power of these technologies to investigate three critical biological processes: cardiac development, viral myocarditis, and ovulation. First, we combine spatiotemporal transcriptomics with data integration algorithms to study the development of the chicken heart. By spatial mapping of cellular differentiation trajectories, we reveal transcriptional differences between epithelial and mesenchymal cells in the epicardial lineage to uncover an intricate interplay between cellular differentiation and morphogenesis. Using spatially resolved expression analysis, we report anatomically restricted expression of extracellular matrix-associated genes and genes implicated in congenital heart disease. Shifting our focus to viral myocarditis, a leading cause of sudden death in children and young adults, we investigate the temporal, spatial, and cellular heterogeneity of host-virus interactions and spatially confined cell-cell interactions linked to reovirus infection in neonatal mice. We report cytotoxic T cell-mediated pyroptotic cell death of infected endothelial cells in the myocarditic heart, thus elucidating the pathogenesis of reovirus-induced myocarditis. To broaden our perspective and explore new frontiers, we then employ single-cell transcriptomics to explore the poorly understood genesis of villus smooth muscle cells in the intestine. We identify a local hierarchy of subepithelial fibroblast progenitors, including an intermediate myofibroblast-like cell phenotype, that progress to form and renew mature smooth muscle fibers throughout life, thus paving the way for new strategies to accelerate recovery of digestive function. Lastly, we investigate the effects of blocking calcium-release activated calcium channels with BTP2 in human peripheral blood mononuclear cells stimulated with the mitogen phytohemagglutinin (PHA). By examining immunoregulatory genes, we observe a shift towards immune tolerance and suggest a potential therapeutic value of BTP2 in autoimmune diseases and organ transplantation. Collectively, my work highlights the immense potential of single-cell and spatial transcriptomics in unraveling intricate biological processes in both health and disease contexts.
      주제명부출표목-일반주제명  
      주제명부출표목-일반주제명  
      주제명부출표목-일반주제명  
      주제명부출표목-일반주제명  
      비통제 색인어  
      비통제 색인어  
      비통제 색인어  
      비통제 색인어  
      비통제 색인어  
      부출표목-단체명  
      Cornell University Computational Biology
        기본자료저록  
        Dissertations Abstracts International. 85-03B.
        기본자료저록  
        Dissertation Abstract International
        전자적 위치 및 접속  
         원문정보보기
        소장사항  
        202402 2024

        MARC

         008240306s2023        us            s          000c|  eng  d
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        ■00520240214101159
        ■006m          o    d                
        ■007cr
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        ■035    ▼a(MiAaPQ)AAI30524435
        ■040    ▼aMiAaPQ▼cMiAaPQ
        ■08204▼a574▼222
        ■090    ▼a전자도서(박사논문)
        ■1001  ▼aMantri,  Madhav.▼0(orcid)0000-0001-9844-7852
        ■24510▼aSpatiotemporal  Profiling  of  Gene  Expression  in  Health  and  Disease▼h[electronic  resource]▼cMadhav  Mantri
        ■260    ▼a[S.l.]▼bCornell  University.  ▼c2023
        ■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2023
        ■300    ▼a1  online  resource(p.275  )
        ■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  85-03,  Section:  B.
        ■500    ▼aAdvisor:  De  Vlaminck,  Iwijn.
        ■5021  ▼aThesis  (Ph.D.)--Cornell  University,  2023.
        ■506    ▼aThis  item  must  not  be  sold  to  any  third  party  vendors.
        ■520    ▼aAdvances  in  single-cell  RNA  sequencing  and  spatial  transcriptomics  have  transformed  our  understanding  of  cell  biology,  allowing  for  the  study  of  gene  expression  at  the  single-cell  level  within  the  context  of  tissue  architecture.  Here,  I  leverage  the  power  of  these  technologies  to  investigate  three  critical  biological  processes:  cardiac  development,  viral  myocarditis,  and  ovulation.  First,  we  combine  spatiotemporal  transcriptomics  with  data  integration  algorithms  to  study  the  development  of  the  chicken  heart.  By  spatial  mapping  of  cellular  differentiation  trajectories,  we  reveal  transcriptional  differences  between  epithelial  and  mesenchymal  cells  in  the  epicardial  lineage  to  uncover  an  intricate  interplay  between  cellular  differentiation  and  morphogenesis.  Using  spatially  resolved  expression  analysis,  we  report  anatomically  restricted  expression  of  extracellular  matrix-associated  genes  and  genes  implicated  in  congenital  heart  disease.  Shifting  our  focus  to  viral  myocarditis,  a  leading  cause  of  sudden  death  in  children  and  young  adults,  we  investigate  the  temporal,  spatial,  and  cellular  heterogeneity  of  host-virus  interactions  and  spatially  confined  cell-cell  interactions  linked  to  reovirus  infection  in  neonatal  mice.  We  report  cytotoxic  T  cell-mediated  pyroptotic  cell  death  of  infected  endothelial  cells  in  the  myocarditic  heart,  thus  elucidating  the  pathogenesis  of  reovirus-induced  myocarditis.  To  broaden  our  perspective  and  explore  new  frontiers,  we  then  employ  single-cell  transcriptomics  to explore  the  poorly  understood  genesis  of  villus  smooth  muscle  cells  in  the  intestine.  We  identify  a  local  hierarchy  of  subepithelial  fibroblast  progenitors,  including  an  intermediate  myofibroblast-like  cell  phenotype,  that  progress  to  form  and  renew  mature  smooth  muscle  fibers  throughout  life,  thus  paving  the  way  for  new  strategies  to  accelerate  recovery  of  digestive  function.  Lastly,  we  investigate  the  effects  of  blocking  calcium-release  activated  calcium  channels  with  BTP2  in  human  peripheral  blood  mononuclear  cells  stimulated  with  the  mitogen  phytohemagglutinin  (PHA).  By  examining  immunoregulatory  genes,  we  observe  a  shift  towards  immune  tolerance  and  suggest  a  potential  therapeutic  value  of  BTP2  in  autoimmune  diseases  and  organ  transplantation.  Collectively,  my  work  highlights  the  immense  potential  of  single-cell  and  spatial  transcriptomics  in  unraveling  intricate  biological  processes  in  both  health  and  disease  contexts.
        ■590    ▼aSchool  code:  0058.
        ■650  4▼aBioinformatics.
        ■650  4▼aCellular  biology.
        ■650  4▼aMolecular  biology.
        ■650  4▼aGenetics.
        ■653    ▼aGene  expression
        ■653    ▼aGenomics
        ■653    ▼aMuscle  cells
        ■653    ▼aSpatial  transcriptomics
        ■653    ▼aRNA  sequencing
        ■690    ▼a0715
        ■690    ▼a0379
        ■690    ▼a0369
        ■690    ▼a0307
        ■71020▼aCornell  University▼bComputational  Biology.
        ■7730  ▼tDissertations  Abstracts  International▼g85-03B.
        ■773    ▼tDissertation  Abstract  International
        ■790    ▼a0058
        ■791    ▼aPh.D.
        ■792    ▼a2023
        ■793    ▼aEnglish
        ■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T16933067▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.
        ■980    ▼a202402▼f2024

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