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A Biomechanics-Based Delivery Strategy to Primary Immune Cells for Generating Cell Therapy with Multiple Gene Knockout
A Biomechanics-Based Delivery Strategy to Primary Immune Cells for Generating Cell Therapy...
A Biomechanics-Based Delivery Strategy to Primary Immune Cells for Generating Cell Therapy with Multiple Gene Knockout

상세정보

자료유형  
 학위논문 서양
최종처리일시  
20260202105520
ISBN  
9798263340483
DDC  
612
저자명  
Yu, Tong.
서명/저자  
A Biomechanics-Based Delivery Strategy to Primary Immune Cells for Generating Cell Therapy with Multiple Gene Knockout
발행사항  
[Sl] : Georgia Institute of Technology, 2024
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2024
형태사항  
154 p
주기사항  
Source: Dissertations Abstracts International, Volume: 87-05, Section: B.
주기사항  
Advisor: Sulchek, Todd.
학위논문주기  
Thesis (Ph.D.)--Georgia Institute of Technology, 2024.
초록/해제  
요약Adaptive T cell therapy has emerged as a promising strategy in cancer treatment, utilizing synthetic receptor modified T cells to specially target tumor antigens. Despite successes, challenges persist, including the need for multiplexed gene editing in production of allogeneic T cell product, expanding application to T cell malignancies, and overcoming T cell dysfunction. These challenges require new technologies that lead to safer and efficient multiplexed gene editing techniques to lead to improved therapies. Currently, multiplexed gene editing is performed in one process step, raising concerns regarding chromosome translocations. This thesis addresses safer and more efficient multiplexed gene editing by leveraging the innovative microfluidic volume exchange for cell transfection (VECT) platform. To achieve efficient and reproducible delivery of gene editing cargo to primary T cells, we propose to understand device and intrinsic cellular attributes that significantly impact delivery outcome. Then, we design optimal devices for sequential gene editing of primary T cells in CAR (Chimeric Antigen Receptor) T engineering pipeline, focusing on the reduction of chromosomal translocation. We hypothesize sequential multiplexed gene editing results in lower chromosomal translocation and improved T cell persistence. This study addresses the goals through 3 aims. Aim 1 focuses on identifying critical design elements (CDEs) for VECT devices, revealing device design and operational factors influencing delivery to primary T cells. Aim 2 demonstrates VECT's capability in functional Cas9 delivery and sequential gene editing of CAR T cells. Aim 3 focuses on intrinsic cell mechanics to reveal cell biomechanics' contributions to delivery efficiency. In completing the study, we created two easy fabrication methods to reproducibly generate high delivery to T cells, Then, we demonstrated an application of VECT to deliver CRISPR/Cas9 to mediate gene editing in T cells. VECT was shown to be capable of generating highly efficient and viable TCR and B2M knockout T cells in both batch and sequential workflow. Importantly, VECT sequential editing is shown to reduce the frequency of chromosomal translocations. Interestingly, we identified a combined effect of strain rate and acceleration to significantly improve delivery; and identified cell stiffness as an intrinsic determinant of delivery efficiency. Overall, this study underscores VECT's potential in industrial-scale multiplexed gene editing of T cells with improved safety profile.
일반주제명  
Physiology
일반주제명  
Cell death
일반주제명  
Toxicity
일반주제명  
Success
일반주제명  
Cancer therapies
일반주제명  
Metabolism
일반주제명  
Apoptosis
일반주제명  
Oxidative stress
일반주제명  
Signal transduction
일반주제명  
CRISPR
일반주제명  
Genetic engineering
일반주제명  
Medical research
일반주제명  
Chromosomes
일반주제명  
Side effects
일반주제명  
Force
일반주제명  
Antigens
일반주제명  
Tumors
일반주제명  
Senescence
일반주제명  
Cell growth
일반주제명  
Biomechanics
일반주제명  
Hydrogels
일반주제명  
Bioinformatics
일반주제명  
Cellular biology
일반주제명  
Genetics
일반주제명  
Immunology
일반주제명  
Industrial engineering
일반주제명  
Medicine
일반주제명  
Oncology
일반주제명  
Pharmaceutical sciences
일반주제명  
Toxicology
기타저자  
Georgia Institute of Technology.
기본자료저록  
Dissertations Abstracts International. 87-05B.
전자적 위치 및 접속  
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MARC

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■24512▼aA  Biomechanics-Based  Delivery  Strategy  to  Primary  Immune  Cells  for  Generating  Cell  Therapy  with  Multiple  Gene  Knockout
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■5021  ▼aThesis  (Ph.D.)--Georgia  Institute  of  Technology,  2024.
■520    ▼aAdaptive  T  cell  therapy  has  emerged  as  a  promising  strategy  in  cancer  treatment,  utilizing  synthetic  receptor  modified  T  cells  to  specially  target  tumor  antigens.  Despite  successes,  challenges  persist,  including  the  need  for  multiplexed  gene  editing  in  production  of  allogeneic  T  cell  product,  expanding  application  to  T  cell  malignancies,  and  overcoming  T  cell  dysfunction.  These  challenges  require  new  technologies  that  lead  to  safer  and  efficient  multiplexed  gene  editing  techniques  to  lead  to  improved  therapies.  Currently,  multiplexed  gene  editing  is  performed  in  one  process  step,  raising  concerns  regarding  chromosome  translocations.  This  thesis  addresses  safer  and  more  efficient  multiplexed  gene  editing  by  leveraging  the  innovative  microfluidic  volume  exchange  for  cell  transfection  (VECT)  platform.  To  achieve  efficient  and  reproducible  delivery  of  gene  editing  cargo  to  primary  T  cells,  we  propose  to  understand  device  and  intrinsic  cellular  attributes  that  significantly  impact  delivery  outcome.  Then,  we  design  optimal  devices  for  sequential  gene  editing  of  primary  T  cells  in  CAR  (Chimeric  Antigen  Receptor)  T  engineering  pipeline,  focusing  on  the  reduction  of  chromosomal  translocation.  We  hypothesize  sequential  multiplexed  gene  editing  results  in  lower  chromosomal  translocation  and  improved  T  cell  persistence.  This  study  addresses  the  goals  through  3  aims.  Aim  1  focuses  on  identifying  critical  design  elements  (CDEs)  for  VECT  devices,  revealing  device  design  and  operational  factors  influencing  delivery  to  primary  T  cells.  Aim  2  demonstrates  VECT's  capability  in  functional  Cas9  delivery  and  sequential  gene  editing  of  CAR  T  cells.  Aim  3  focuses  on  intrinsic  cell  mechanics  to  reveal  cell  biomechanics'  contributions  to  delivery  efficiency.  In  completing  the  study,  we  created  two  easy  fabrication  methods  to  reproducibly  generate  high  delivery  to  T  cells,  Then,  we  demonstrated  an  application  of  VECT  to  deliver  CRISPR/Cas9  to  mediate  gene  editing  in  T  cells.  VECT  was  shown  to  be  capable  of  generating  highly  efficient  and  viable  TCR  and  B2M  knockout  T  cells  in  both  batch  and  sequential  workflow.  Importantly,  VECT  sequential  editing  is  shown  to  reduce  the  frequency  of  chromosomal  translocations.  Interestingly,  we  identified  a  combined  effect  of  strain  rate  and  acceleration  to  significantly  improve  delivery;  and  identified  cell  stiffness  as  an  intrinsic  determinant  of  delivery  efficiency.  Overall,  this  study  underscores  VECT's  potential  in  industrial-scale  multiplexed  gene  editing  of  T  cells  with  improved  safety  profile.
■590    ▼aSchool  code:  0078.
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■650  4▼aCell  death
■650  4▼aToxicity
■650  4▼aSuccess
■650  4▼aCancer  therapies
■650  4▼aMetabolism
■650  4▼aApoptosis
■650  4▼aOxidative  stress
■650  4▼aSignal  transduction
■650  4▼aCRISPR
■650  4▼aGenetic  engineering
■650  4▼aMedical  research
■650  4▼aChromosomes
■650  4▼aSide  effects
■650  4▼aForce
■650  4▼aAntigens
■650  4▼aTumors
■650  4▼aSenescence
■650  4▼aCell  growth
■650  4▼aBiomechanics
■650  4▼aHydrogels
■650  4▼aBioinformatics
■650  4▼aCellular  biology
■650  4▼aGenetics
■650  4▼aImmunology
■650  4▼aIndustrial  engineering
■650  4▼aMedicine
■650  4▼aOncology
■650  4▼aPharmaceutical  sciences
■650  4▼aToxicology
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■71020▼aGeorgia  Institute  of  Technology.
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■790    ▼a0078
■791    ▼aPh.D.
■792    ▼a2024
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17360410▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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