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Machine Learning Methods for the Analysis of Multi-Modal Spatial Omics Data
Machine Learning Methods for the Analysis of Multi-Modal Spatial Omics Data
Machine Learning Methods for the Analysis of Multi-Modal Spatial Omics Data

상세정보

자료유형  
 학위논문 서양
최종처리일시  
20250211152658
ISBN  
9798384023173
DDC  
574
저자명  
Coleman, Kyle.
서명/저자  
Machine Learning Methods for the Analysis of Multi-Modal Spatial Omics Data
발행사항  
[Sl] : University of Pennsylvania, 2024
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2024
형태사항  
119 p
주기사항  
Source: Dissertations Abstracts International, Volume: 86-02, Section: B.
주기사항  
Advisor: Li, Mingyao;Shinohara, Russell T.
학위논문주기  
Thesis (Ph.D.)--University of Pennsylvania, 2024.
초록/해제  
요약In providing spatial context to molecular expression, spatial omics technologies have profound implications for disease diagnosis, outcome prediction, and the development of novel therapeutics. However, the inherent limitations and complexities of spatial omics data restrict their interpretability and complicate their integration into clinical settings. For instance, sequencing-based spatial transcriptomics data lack single-cell resolution, hindering the precise localization of specific cell types. Additionally, while spatial omics technologies can generate multiple omics and imaging modalities from a single tissue section, effectively integrating these diverse modalities remains a complex task. Moreover, the vast amount of data produced by imaging-based spatial transcriptomics experiments, which can encompass millions of cells, renders traditional spatial omics analysis methods ineffective. This dissertation addresses these challenges by harnessing machine learning to enhance the analysis and interpretation of spatial omics data. First, we developed a cell-type deconvolution method for sequencing-based spatial transcriptomics data that combines gene expression and histology imaging data to accurately estimate spatial distributions of specific cell types. Second, we developed a multi-modal feature extraction and spatial clustering algorithm that can integrate data from any number of omics and imaging modalities. Lastly, we developed a workflow for analyzing data from MERFISH experiments consisting of 16 million cells across eight cortical areas and four developmental stages from the human fetal cortex. Each of these projects aims to bolster the power and interpretability of spatial omics data, thereby accelerating the discovery of novel biological insights and facilitating the incorporation of spatial omics into clinical practice.
일반주제명  
Biostatistics
일반주제명  
Biomedical engineering
일반주제명  
Histology
일반주제명  
Computer science
일반주제명  
Medical imaging
키워드  
Deep learning
키워드  
Histology imaging
키워드  
Multi-modal spatial omics
키워드  
Spatial multi-omics
키워드  
Spatial transcriptomics
기타저자  
University of Pennsylvania Statistics and Data Science
기본자료저록  
Dissertations Abstracts International. 86-02B.
전자적 위치 및 접속  
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MARC

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■1001  ▼aColeman,  Kyle.
■24510▼aMachine  Learning  Methods  for  the  Analysis  of  Multi-Modal  Spatial  Omics  Data
■260    ▼a[Sl]▼bUniversity  of  Pennsylvania▼c2024
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2024
■300    ▼a119  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  86-02,  Section:  B.
■500    ▼aAdvisor:  Li,  Mingyao;Shinohara,  Russell  T.
■5021  ▼aThesis  (Ph.D.)--University  of  Pennsylvania,  2024.
■520    ▼aIn  providing  spatial  context  to  molecular  expression,  spatial  omics  technologies  have  profound  implications  for  disease  diagnosis,  outcome  prediction,  and  the  development  of  novel  therapeutics.  However,  the  inherent  limitations  and  complexities  of  spatial  omics  data  restrict  their  interpretability  and  complicate  their  integration  into  clinical  settings.  For  instance,  sequencing-based  spatial  transcriptomics  data  lack  single-cell  resolution,  hindering  the  precise  localization  of  specific  cell  types.  Additionally,  while  spatial  omics  technologies  can  generate  multiple  omics  and  imaging  modalities  from  a  single  tissue  section,  effectively  integrating  these  diverse  modalities  remains  a  complex  task.  Moreover,  the  vast  amount  of  data  produced  by  imaging-based  spatial  transcriptomics  experiments,  which  can  encompass  millions  of  cells,  renders  traditional  spatial  omics  analysis  methods  ineffective.  This  dissertation  addresses  these  challenges  by  harnessing  machine  learning  to  enhance  the  analysis  and  interpretation  of  spatial  omics  data.  First,  we  developed  a  cell-type  deconvolution  method  for  sequencing-based  spatial  transcriptomics  data  that  combines  gene  expression  and  histology  imaging  data  to  accurately  estimate  spatial  distributions  of  specific  cell  types.  Second,  we  developed  a  multi-modal  feature  extraction  and  spatial  clustering  algorithm  that  can  integrate  data  from  any  number  of  omics  and  imaging  modalities.  Lastly,  we  developed  a  workflow  for  analyzing  data  from  MERFISH  experiments  consisting  of  16  million  cells  across  eight  cortical  areas  and  four  developmental  stages  from  the  human  fetal  cortex.  Each  of  these  projects  aims  to  bolster  the  power  and  interpretability  of  spatial  omics  data,  thereby  accelerating  the  discovery  of  novel  biological  insights  and  facilitating  the  incorporation  of  spatial  omics  into  clinical  practice.
■590    ▼aSchool  code:  0175.
■650  4▼aBiostatistics
■650  4▼aBiomedical  engineering
■650  4▼aHistology
■650  4▼aComputer  science
■650  4▼aMedical  imaging
■653    ▼aDeep  learning
■653    ▼aHistology  imaging
■653    ▼aMulti-modal  spatial  omics
■653    ▼aSpatial  multi-omics
■653    ▼aSpatial  transcriptomics
■690    ▼a0308
■690    ▼a0984
■690    ▼a0541
■690    ▼a0574
■690    ▼a0414
■71020▼aUniversity  of  Pennsylvania▼bStatistics  and  Data  Science.
■7730  ▼tDissertations  Abstracts  International▼g86-02B.
■790    ▼a0175
■791    ▼aPh.D.
■792    ▼a2024
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17163365▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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