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Molecular Engineering of a General MHC-Targeting Platform
Molecular Engineering of a General MHC-Targeting Platform
Molecular Engineering of a General MHC-Targeting Platform

상세정보

자료유형  
 학위논문 서양
최종처리일시  
20260202104747
ISBN  
9798290653235
DDC  
611.4
저자명  
Du, Haotian.
서명/저자  
Molecular Engineering of a General MHC-Targeting Platform
발행사항  
[Sl] : Stanford University, 2024
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2024
형태사항  
185 p
주기사항  
Source: Dissertations Abstracts International, Volume: 87-01, Section: B.
주기사항  
Advisor: Huang, Possu.
학위논문주기  
Thesis (Ph.D.)--Stanford University, 2024.
초록/해제  
요약This thesis focuses on the development of novel, high-specificity platforms for targeting peptide-MHC complexes, which are critical for advancing therapeutic strategies against cancer, infections, and autoimmune diseases. I will present the TRACeRplatform (Targeted Recognition of Antigen-MHC Complex Reporter), consisting of TRACeR-IIand TRACeR-I,which enable rapid binder development and specific targeting of peptides presented by MHC-II and MHC-I molecules, respectively. The TRACeRplatform draws inspiration from the structure of the bacteria superantigen MAM and has been extensively engineered through a combined computational and experimental approach.The TRACeR-IIplatform leverages the small helical bundle scaffold from MAM with a single recognition loop for versatile binding to peptide--MHC-II complexes. This approach allows for rapid screening and in silico design of binders, as demonstrated by our success in generating binders for multiple alleles with affinities and specificity comparable to best-in-class TCRs and antibodies. TRACeR-IIeliminates the need for traditional combinatorial selection on CDR loops, facilitating streamlined development of peptide-specific binders for class-II MHCs.In parallel, TRACeR-Iis developed by repurposing the TRACeR-IIscaffold for binding MHC-I targets, aiming to address challenges in targeting peptide--MHC-I complexes. TRACeR-Iis able to target peptides on polymorphic HLA-A*, -B*, and -C* allotypes while overcoming the long-standing issue of cross-reactivity in TCRs or antibody-based platforms. TRACeR-Iemploys a unique recognition mechanism through an extended network of contacts across the peptide, achieving single-residue specificity. This platform enables the rapid identification of binders for viral and cancer-related peptides and has demonstrated efficacy in BiTEs and CAR-T cell applications.
일반주제명  
Thymus gland
일반주제명  
Crystal structure
일반주제명  
T cell receptors
일반주제명  
Cancer
일반주제명  
Immunotherapy
일반주제명  
Antibodies
일반주제명  
Hydrogen bonds
일반주제명  
Severe acute respiratory syndrome coronavirus 2
일반주제명  
Mutation
일반주제명  
Medical research
일반주제명  
Lymphocytes
일반주제명  
Amino acids
일반주제명  
Biomarkers
일반주제명  
Design
일반주제명  
Engineering
일반주제명  
Biology
일반주제명  
Antigens
일반주제명  
Libraries
일반주제명  
Mutagenesis
일반주제명  
Polymorphism
기타저자  
Stanford University.
기본자료저록  
Dissertations Abstracts International. 87-01B.
전자적 위치 및 접속  
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MARC

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■0820  ▼a611.4
■1001  ▼aDu,  Haotian.
■24510▼aMolecular  Engineering  of  a  General  MHC-Targeting  Platform
■260    ▼a[Sl]▼bStanford  University▼c2024
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2024
■300    ▼a185  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  87-01,  Section:  B.
■500    ▼aAdvisor:  Huang,  Possu.
■5021  ▼aThesis  (Ph.D.)--Stanford  University,  2024.
■520    ▼aThis  thesis  focuses  on  the  development  of  novel,  high-specificity  platforms  for  targeting  peptide-MHC  complexes,  which  are  critical  for  advancing  therapeutic  strategies  against  cancer,  infections,  and  autoimmune  diseases.  I  will  present  the  TRACeRplatform  (Targeted  Recognition  of  Antigen-MHC  Complex  Reporter),  consisting  of  TRACeR-IIand  TRACeR-I,which  enable  rapid  binder  development  and  specific  targeting  of  peptides  presented  by  MHC-II  and  MHC-I  molecules,  respectively.  The  TRACeRplatform  draws  inspiration  from  the  structure  of  the  bacteria  superantigen  MAM  and  has  been  extensively  engineered  through  a  combined  computational  and  experimental  approach.The  TRACeR-IIplatform  leverages  the  small  helical  bundle  scaffold  from  MAM  with  a  single  recognition  loop  for  versatile  binding  to  peptide--MHC-II  complexes.  This  approach  allows  for  rapid  screening  and  in  silico  design  of  binders,  as  demonstrated  by  our  success  in  generating  binders  for  multiple  alleles  with  affinities  and  specificity  comparable  to  best-in-class  TCRs  and  antibodies.  TRACeR-IIeliminates  the  need  for  traditional  combinatorial  selection  on  CDR  loops,  facilitating  streamlined  development  of  peptide-specific  binders  for  class-II  MHCs.In  parallel,  TRACeR-Iis  developed  by  repurposing  the  TRACeR-IIscaffold  for  binding  MHC-I  targets,  aiming  to  address  challenges  in  targeting  peptide--MHC-I  complexes.  TRACeR-Iis  able  to  target  peptides  on  polymorphic  HLA-A*,  -B*,  and  -C*  allotypes  while  overcoming  the  long-standing  issue  of  cross-reactivity  in  TCRs  or  antibody-based  platforms.  TRACeR-Iemploys  a  unique  recognition  mechanism  through  an  extended  network  of  contacts  across  the  peptide,  achieving  single-residue  specificity.  This  platform  enables  the  rapid  identification  of  binders  for  viral  and  cancer-related  peptides  and  has  demonstrated  efficacy  in  BiTEs  and  CAR-T  cell  applications.
■590    ▼aSchool  code:  0212.
■650  4▼aThymus  gland
■650  4▼aCrystal  structure
■650  4▼aT  cell  receptors
■650  4▼aCancer
■650  4▼aImmunotherapy
■650  4▼aAntibodies
■650  4▼aHydrogen  bonds
■650  4▼aSevere  acute  respiratory  syndrome  coronavirus  2
■650  4▼aMutation
■650  4▼aMedical  research
■650  4▼aLymphocytes
■650  4▼aAmino  acids
■650  4▼aBiomarkers
■650  4▼aDesign
■650  4▼aEngineering
■650  4▼aBiology
■650  4▼aAntigens
■650  4▼aLibraries
■650  4▼aMutagenesis
■650  4▼aPolymorphism
■690    ▼a0389
■690    ▼a0537
■690    ▼a0306
■71020▼aStanford  University.
■7730  ▼tDissertations  Abstracts  International▼g87-01B.
■790    ▼a0212
■791    ▼aPh.D.
■792    ▼a2024
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17358756▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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