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Decoding Cancer Alterations Through Machine Learning and Interactive Data Visualization
Decoding Cancer Alterations Through Machine Learning and Interactive Data Visualization
Decoding Cancer Alterations Through Machine Learning and Interactive Data Visualization

Detailed Information

자료유형  
 학위논문 서양
최종처리일시  
20250211151447
ISBN  
9798382807485
DDC  
574
저자명  
Muscarella, Antonio Dominic.
서명/저자  
Decoding Cancer Alterations Through Machine Learning and Interactive Data Visualization
발행사항  
[Sl] : Princeton University, 2024
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2024
형태사항  
83 p
주기사항  
Source: Dissertations Abstracts International, Volume: 85-12, Section: B.
주기사항  
Advisor: Singh, Mona.
학위논문주기  
Thesis (Ph.D.)--Princeton University, 2024.
초록/해제  
요약The rapid proliferation of large-scale cancer sequencing data and the subsequent development of computational methods to analyze it has afforded us a unique opportunity to interrogate the fundamental processes disrupted in cancer. However, there remain many unresolved questions in cancer biology, including: the complex interplay between changes in the cancer genome and transcriptome with downstream changes in the metabolome, which has shown to play a crucial role in a variety of cancer contexts; and the impact of variants of unknown significance which arise in clinical tumor sequencing panels. Both of these outstanding questions hold a particular importance in the development of targeted therapeutics and precision cancer medicine. In this dissertation, I introduce novel computational approaches to advance our understanding of cancer biology on these fronts. First, I train a machine learning method to predict metabolite levels in cancer from gene expression data. I employ a sophisticated cross-validation procedure to maximize power and minimize bias, apply state-of-the-art feature importance analysis to uncover underlying gene-metabolite relationships behind model predictions, and demonstrate that the methodology is broadly applicable to both cancer cell line and patient-derived primary tumor data. Next, I develop a library of aggregated features to characterize cancer somatic mutations with the aim of identifying driver events. I employ this library in the development of an interactive visualization tool to aid in the interrogation of variants of unknown significance in individual patient sequencing data. I then demonstrate the utility of this tool in distinguishing mutations with known cancer effects in a large cohort of targeted tumor sequencing patients. Together, these two approaches provide deeper insights into cancer biology and will enable the development of more effective therapies to treat cancer in the clinic.
일반주제명  
Bioinformatics
일반주제명  
Computer science
일반주제명  
Biology
일반주제명  
Oncology
키워드  
Cancer biology
키워드  
Cancer genomics
키워드  
Cancer metabolism
키워드  
Machine learning
키워드  
Metabolomics
키워드  
Transcriptomics
기타저자  
Princeton University Quantitative Computational Biology
기본자료저록  
Dissertations Abstracts International. 85-12B.
전자적 위치 및 접속  
로그인 후 원문을 볼 수 있습니다.

MARC

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■020    ▼a9798382807485
■035    ▼a(MiAaPQ)AAI31296546
■040    ▼aMiAaPQ▼cMiAaPQ
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■1001  ▼aMuscarella,  Antonio  Dominic.▼0(orcid)0000-0001-8399-4378
■24510▼aDecoding  Cancer  Alterations  Through  Machine  Learning  and  Interactive  Data  Visualization
■260    ▼a[Sl]▼bPrinceton  University▼c2024
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2024
■300    ▼a83  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  85-12,  Section:  B.
■500    ▼aAdvisor:  Singh,  Mona.
■5021  ▼aThesis  (Ph.D.)--Princeton  University,  2024.
■520    ▼aThe  rapid  proliferation  of  large-scale  cancer  sequencing  data  and  the  subsequent  development  of  computational  methods  to  analyze  it  has  afforded  us  a  unique  opportunity  to  interrogate  the  fundamental  processes  disrupted  in  cancer.  However,  there  remain  many  unresolved  questions  in  cancer  biology,  including:  the  complex  interplay  between  changes  in  the  cancer  genome  and  transcriptome  with  downstream  changes  in  the  metabolome,  which  has  shown  to  play  a  crucial  role  in  a  variety  of  cancer  contexts;  and  the  impact  of  variants  of  unknown  significance  which  arise  in  clinical  tumor  sequencing  panels.  Both  of  these  outstanding  questions  hold  a  particular  importance  in  the  development  of  targeted  therapeutics  and  precision  cancer  medicine.  In  this  dissertation,  I  introduce  novel  computational  approaches  to  advance  our  understanding  of  cancer  biology  on  these  fronts.  First,  I  train  a  machine  learning  method  to  predict  metabolite  levels  in  cancer  from  gene  expression  data.    I  employ  a  sophisticated  cross-validation  procedure  to  maximize  power  and  minimize  bias,  apply  state-of-the-art  feature  importance  analysis  to  uncover  underlying  gene-metabolite  relationships  behind  model  predictions,  and  demonstrate  that  the  methodology  is  broadly  applicable  to  both  cancer  cell  line  and  patient-derived  primary  tumor  data.  Next,  I  develop  a  library  of  aggregated  features  to  characterize  cancer  somatic  mutations  with  the  aim  of  identifying  driver  events.  I  employ  this  library  in  the  development  of  an  interactive  visualization  tool  to  aid  in  the  interrogation  of  variants  of  unknown  significance  in  individual  patient  sequencing  data.  I  then  demonstrate  the  utility  of  this  tool  in  distinguishing  mutations  with  known  cancer  effects  in  a  large  cohort  of  targeted  tumor  sequencing  patients.  Together,  these  two  approaches  provide  deeper  insights  into  cancer  biology  and  will  enable  the  development  of  more  effective  therapies  to  treat  cancer  in  the  clinic.
■590    ▼aSchool  code:  0181.
■650  4▼aBioinformatics
■650  4▼aComputer  science
■650  4▼aBiology
■650  4▼aOncology
■653    ▼aCancer  biology
■653    ▼aCancer  genomics
■653    ▼aCancer  metabolism
■653    ▼aMachine  learning
■653    ▼aMetabolomics
■653    ▼aTranscriptomics
■690    ▼a0715
■690    ▼a0984
■690    ▼a0306
■690    ▼a0992
■71020▼aPrinceton  University▼bQuantitative  Computational  Biology.
■7730  ▼tDissertations  Abstracts  International▼g85-12B.
■790    ▼a0181
■791    ▼aPh.D.
■792    ▼a2024
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17161804▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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