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Building Closed-Loop Frameworks for AI-Guided Protein Design
Building Closed-Loop Frameworks for AI-Guided Protein Design
Building Closed-Loop Frameworks for AI-Guided Protein Design

Detailed Information

자료유형  
 학위논문 서양
최종처리일시  
20260202105057
ISBN  
9798288818141
DDC  
579.2
저자명  
Lourenco, Alexandre Luiz.
서명/저자  
Building Closed-Loop Frameworks for AI-Guided Protein Design
발행사항  
[Sl] : California Institute of Technology, 2025
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2025
형태사항  
104 p
주기사항  
Source: Dissertations Abstracts International, Volume: 87-01, Section: B.
주기사항  
Advisor: Thomson, Matthew.
학위논문주기  
Thesis (Ph.D.)--California Institute of Technology, 2025.
초록/해제  
요약The design of proteins with tailored properties remains a central challenge in protein engineering, with profound implications for therapeutics, sustainable manufacturing, and environmental remediation. Recent advances in artificial intelligence have dramatically improved our ability to design novel proteins, yet the precision required for many applications remains elusive. This thesis details the development and implementation of closed-loop frameworks that integrate AI-guided protein design with quantitative experimental data to iteratively improve design outcomes.First, I present Protein CREATE (Computational Redesign via an Experiment-Augmented Training Engine), a high-throughput platform that combines phage display with molecular counting techniques to generate quantitative binding data at scale. This platform enables rapid evaluation of thousands (and is in the process of being scaled to millions) of designed protein variants against multiple targets simultaneously.In subsequent chapters, I explore two separate strands of protein design as they reach for each other to close the loop. One thread focuses on collecting data on binders I engineered to the interleukin 7 receptor alpha (IL7RA) and Insulin receptor while the other investigates the value data, even when limited, adds to improve the design process of enzymes to solve a pressing environmental remediation problem: cleaning up per and polyfluoroalkyl substances (PFAS).While all of the targets discussed so far have benefited from developments in artificial intelligence, I explore one target where the benefits are limited, the human sweet taste receptor. Here, I leverage alternative computational methods coupled to experimental testing to chart a course for design.Finally, I discuss the technologies we are integrating within the Protein CREATE framework to enable rapid in vitro and in vivo testing.Throughout my PhD, I have been bringing the two threads of computational design and experimental characterization closer together for not only theoretically interesting, but also practically relevant, engineering cases. The methodologies developed here represent a significant advancement in our ability to design proteins with precisely tailored properties for diverse applications.
일반주제명  
Phages
일반주제명  
Bioengineering
기타저자  
California Institute of Technology Biology and Biological Engineering
기본자료저록  
Dissertations Abstracts International. 87-01B.
전자적 위치 및 접속  
로그인 후 원문을 볼 수 있습니다.

MARC

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■1001  ▼aLourenco,  Alexandre  Luiz.▼0(orcid)0009-0005-0758-2968
■24510▼aBuilding  Closed-Loop  Frameworks  for  AI-Guided  Protein  Design
■260    ▼a[Sl]▼bCalifornia  Institute  of  Technology▼c2025
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2025
■300    ▼a104  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  87-01,  Section:  B.
■500    ▼aAdvisor:  Thomson,  Matthew.
■5021  ▼aThesis  (Ph.D.)--California  Institute  of  Technology,  2025.
■520    ▼aThe  design  of  proteins  with  tailored  properties  remains  a  central  challenge  in  protein  engineering,  with  profound  implications  for  therapeutics,  sustainable  manufacturing,  and  environmental  remediation.  Recent  advances  in  artificial  intelligence  have  dramatically  improved  our  ability  to  design  novel  proteins,  yet  the  precision  required  for  many  applications  remains  elusive.  This  thesis  details  the  development  and  implementation  of  closed-loop  frameworks  that  integrate  AI-guided  protein  design  with  quantitative  experimental  data  to  iteratively  improve  design  outcomes.First,  I  present  Protein  CREATE  (Computational  Redesign  via  an  Experiment-Augmented  Training  Engine),  a  high-throughput  platform  that  combines  phage  display  with  molecular  counting  techniques  to  generate  quantitative  binding  data  at  scale.  This  platform  enables  rapid  evaluation  of  thousands  (and  is  in  the  process  of  being  scaled  to  millions)  of  designed  protein  variants  against  multiple  targets  simultaneously.In  subsequent  chapters,  I  explore  two  separate  strands  of  protein  design  as  they  reach  for  each  other  to  close  the  loop.  One  thread  focuses  on  collecting  data  on  binders  I  engineered  to  the  interleukin  7  receptor  alpha  (IL7RA)  and  Insulin  receptor  while  the  other  investigates  the  value  data,  even  when  limited,  adds  to  improve  the  design  process  of  enzymes  to  solve  a  pressing  environmental  remediation  problem:  cleaning  up  per  and  polyfluoroalkyl  substances  (PFAS).While  all  of  the  targets  discussed  so  far  have  benefited  from  developments  in  artificial  intelligence,  I  explore  one  target  where  the  benefits  are  limited,  the  human  sweet  taste  receptor.  Here,  I  leverage  alternative  computational  methods  coupled  to  experimental  testing  to  chart  a  course  for  design.Finally,  I  discuss  the  technologies  we  are  integrating  within  the  Protein  CREATE  framework  to  enable  rapid  in  vitro  and  in  vivo  testing.Throughout  my  PhD,  I  have  been  bringing  the  two  threads  of  computational  design  and  experimental  characterization  closer  together  for  not  only  theoretically  interesting,  but  also  practically  relevant,  engineering  cases.  The  methodologies  developed  here  represent  a  significant  advancement  in  our  ability  to  design  proteins  with  precisely  tailored  properties  for  diverse  applications.
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■71020▼aCalifornia  Institute  of  Technology▼bBiology  and  Biological  Engineering.
■7730  ▼tDissertations  Abstracts  International▼g87-01B.
■790    ▼a0037
■791    ▼aPh.D.
■792    ▼a2025
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17359296▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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