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Translational Insights for the Precision Treatment of Peripheral T-Cell Lymphomas
Translational Insights for the Precision Treatment of Peripheral T-Cell Lymphomas
Translational Insights for the Precision Treatment of Peripheral T-Cell Lymphomas

상세정보

자료유형  
 학위논문 서양
최종처리일시  
20260202105123
ISBN  
9798270290306
DDC  
615
저자명  
Pantazis, Jacob C.
서명/저자  
Translational Insights for the Precision Treatment of Peripheral T-Cell Lymphomas
발행사항  
[Sl] : The University of North Carolina at Chapel Hill, 2025
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2025
형태사항  
120 p
주기사항  
Source: Dissertations Abstracts International, Volume: 87-07, Section: B.
주기사항  
Advisor: Palmer, Adam C.
학위논문주기  
Thesis (Ph.D.)--The University of North Carolina at Chapel Hill, 2025.
초록/해제  
요약This work addresses a persistent challenge presented by the heterogeneous drug sensitivities of peripheral T-cell lymphomas (PTCL), where there are many options for treatment, but therapies are only effective for small subsets of PTCL patients, and the molecular drivers of drug sensitivity shared among these small patient subsets are not currently well-defined. The influence of molecular heterogeneity on drug sensitivity is multi-faceted, and therefore this thesis employs functional genomics, preclinical drug screening, proteomic profiling, and computational modeling to identify and demonstrate the impact of biomarkers selection in PTCL treatment. Chapter 1 outlines the development of PTCL classification and treatment, framing the need for subtype-specific treatment strategies to improve upon the current underperforming landscape of PTCL treatments. Chapter 2 makes use of preclinical drug sensitivity measurements with two histone deacetylase (HDAC) inhibitors, romidepsin and belinostat, that are used to treat PTCL to determine if the clinically-observed, subtype-specific efficacy of romidepsin can be applied to the design for an upcoming trial of belinostat. Chapter 3 addresses a challenge in the identification of biomarkers of drug sensitivity. Where previous attempts at correlating drug sensitivity with mutations or expression profiles for various cancers have elected many possible candidate biomarkers, it is often difficult to pinpoint true drivers of drug sensitivity due to the covariance of many of these features and their altered significance upon adjustments for multiple hypothesis testing. We integrate functional genomic screens with proteomic profiling across multiple human cell culture models to uncover biomarkers that are predictive of drug sensitivity in PTCL. Mechanistically distinct, predictive features are identified for therapies including the antifolate therapy, pralatrexate, for which the reduced folate carrier, SLC19A1, is shown to both positively correlate with and confer drug sensitivity upon knockdown to pralatrexate. Together, these chapters provide experimental foundation and rationale for refining PTCL treatment through molecular stratification, and this work more generally supports the precise administration of small molecule therapies in oncology.
일반주제명  
Pharmacology
일반주제명  
Cellular biology
일반주제명  
Oncology
일반주제명  
Genetics
키워드  
Functional genomics
키워드  
Translational research
키워드  
Peripheral T-cell lymphomas
키워드  
Histone deacetylase
기타저자  
The University of North Carolina at Chapel Hill Pharmacology
기본자료저록  
Dissertations Abstracts International. 87-07B.
전자적 위치 및 접속  
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MARC

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■035    ▼a(MiAaPQ)AAI32238577
■040    ▼aMiAaPQ▼cMiAaPQ
■0820  ▼a615
■1001  ▼aPantazis,  Jacob  C.
■24510▼aTranslational  Insights  for  the  Precision  Treatment  of  Peripheral  T-Cell  Lymphomas
■260    ▼a[Sl]▼bThe  University  of  North  Carolina  at  Chapel  Hill▼c2025
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2025
■300    ▼a120  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  87-07,  Section:  B.
■500    ▼aAdvisor:  Palmer,  Adam  C.
■5021  ▼aThesis  (Ph.D.)--The  University  of  North  Carolina  at  Chapel  Hill,  2025.
■520    ▼aThis  work  addresses  a  persistent  challenge  presented  by  the  heterogeneous  drug  sensitivities  of  peripheral  T-cell  lymphomas  (PTCL),  where  there  are  many  options  for  treatment,  but  therapies  are  only  effective  for  small  subsets  of  PTCL  patients,  and  the  molecular  drivers  of  drug  sensitivity  shared  among  these  small  patient  subsets  are  not  currently  well-defined.  The  influence  of  molecular  heterogeneity  on  drug  sensitivity  is  multi-faceted,  and  therefore  this  thesis  employs  functional  genomics,  preclinical  drug  screening,  proteomic  profiling,  and  computational  modeling  to  identify  and  demonstrate  the  impact  of  biomarkers  selection  in  PTCL  treatment.  Chapter  1  outlines  the  development  of  PTCL  classification  and  treatment,  framing  the  need  for  subtype-specific  treatment  strategies  to  improve  upon  the  current  underperforming  landscape  of  PTCL  treatments.  Chapter  2  makes  use  of  preclinical  drug  sensitivity  measurements  with  two  histone  deacetylase  (HDAC)  inhibitors,  romidepsin  and  belinostat,  that  are  used  to  treat  PTCL  to  determine  if  the  clinically-observed,  subtype-specific  efficacy  of  romidepsin  can  be  applied  to  the  design  for  an  upcoming  trial  of  belinostat.  Chapter  3  addresses  a  challenge  in  the  identification  of  biomarkers  of  drug  sensitivity.  Where  previous  attempts  at  correlating  drug  sensitivity  with  mutations  or  expression  profiles  for  various  cancers  have  elected  many  possible  candidate  biomarkers,  it  is  often  difficult  to  pinpoint  true  drivers  of  drug  sensitivity  due  to  the  covariance  of  many  of  these  features  and  their  altered  significance  upon  adjustments  for  multiple  hypothesis  testing.  We  integrate  functional  genomic  screens  with  proteomic  profiling  across  multiple  human  cell  culture  models  to  uncover  biomarkers  that  are  predictive  of  drug  sensitivity  in  PTCL.  Mechanistically  distinct,  predictive  features  are  identified  for  therapies  including  the  antifolate  therapy,  pralatrexate,  for  which  the  reduced  folate  carrier,  SLC19A1,  is  shown  to  both  positively  correlate  with  and  confer  drug  sensitivity  upon  knockdown  to  pralatrexate.  Together,  these  chapters  provide  experimental  foundation  and  rationale  for  refining  PTCL  treatment  through  molecular  stratification,  and  this  work  more  generally  supports  the  precise  administration  of  small  molecule  therapies  in  oncology.
■590    ▼aSchool  code:  0153.
■650  4▼aPharmacology
■650  4▼aCellular  biology
■650  4▼aOncology
■650  4▼aGenetics
■653    ▼aFunctional  genomics
■653    ▼aTranslational  research
■653    ▼aPeripheral  T-cell  lymphomas
■653    ▼aHistone  deacetylase
■690    ▼a0419
■690    ▼a0379
■690    ▼a0992
■690    ▼a0369
■71020▼aThe  University  of  North  Carolina  at  Chapel  Hill▼bPharmacology.
■7730  ▼tDissertations  Abstracts  International▼g87-07B.
■790    ▼a0153
■791    ▼aPh.D.
■792    ▼a2025
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17359470▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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