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Democratizing LYTACs: Enabling Facile Access to Targeted Protein Degradation Via Mannose-6-Phosphate Receptor
Democratizing LYTACs: Enabling Facile Access to Targeted Protein Degradation Via Mannose-6...
Democratizing LYTACs: Enabling Facile Access to Targeted Protein Degradation Via Mannose-6-Phosphate Receptor

상세정보

자료유형  
 학위논문 서양
최종처리일시  
20260202105622
ISBN  
9798265427588
DDC  
571.6
저자명  
Li, Yishan Sherry.
서명/저자  
Democratizing LYTACs: Enabling Facile Access to Targeted Protein Degradation Via Mannose-6-Phosphate Receptor
발행사항  
[Sl] : Stanford University, 2025
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2025
형태사항  
97 p
주기사항  
Source: Dissertations Abstracts International, Volume: 87-05, Section: A.
주기사항  
Advisor: Bertozzi, Carolyn.
학위논문주기  
Thesis (Ph.D.)--Stanford University, 2025.
초록/해제  
요약Extracellular and membrane proteins comprise of around 40% of disease-related protein targets that are traditionally difficult to target using conventional small molecules. Recent development in targeted protein degradation opened a new opportunity to tackle this class of undruggable protein by directing them to the proteasome or lysosome, endogenous biological pathways, for degrading selected protein. Lysosomal targeting chimera (LYTAC) is a technology developed in the Bertozzi Lab that engages extracellular or membrane protein to a cell surface lysosomal receptor, mannose-6-phosphate receptor (M6PR), for selected internalization and degradation of targeted protein in the lysosome. LYTAC is a bifunctional molecule that consists of a target-specific antibody that is modified with mannose-6-phosphonate (M6Pn), a bioisosteromer of the native ligand of M6PR, mannose-6-phosphate (M6P). Current synthesis of LYTAC involves either a lengthy chemical synthesis pathway that generate a heterogenous polymer of M6Pn or a solid-state peptide synthesis that generates a 2-mer or 5-mer of M6Pn, both of which are complex synthesis that is low yield and require extensive organic chemistry expertise and thus inaccessible to many biology and therapeutic-focused labs. We hereby developed an alternative synthetic strategy that uses a clickable monomer of M6Pn, which is now made commercially available, to construct LYTAC molecules via easily accessible chemistry. Our LYTAC synthesis is tunable and reproducible across experiments, and all reagents can be purchased commercially for easy access. We then demonstrated the protein of interest (POI) internalization and degradation activity of LYTAC across many mammalian cell lines, highlighting important factors that predict LYTAC efficiency across cell lines. This work provides a facile and scalable synthesis of a class of highly desirable molecule and robust assays to study the activity of LYTAC and POI degradation.
일반주제명  
Cells
일반주제명  
Recycling
일반주제명  
Antibodies
일반주제명  
Cancer therapies
일반주제명  
Glioma
일반주제명  
Biological products
일반주제명  
Pharmacokinetics
일반주제명  
Design
일반주제명  
Glycosylation
일반주제명  
Autophagy
일반주제명  
Flow cytometry
일반주제명  
Antigens
일반주제명  
Reproducibility
일반주제명  
Organic chemistry
일반주제명  
Cellular biology
일반주제명  
Oncology
일반주제명  
Pharmaceutical sciences
일반주제명  
Pharmacology
일반주제명  
Sustainability
기타저자  
Stanford University.
기본자료저록  
Dissertations Abstracts International. 87-05A.
전자적 위치 및 접속  
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MARC

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■0820  ▼a571.6
■1001  ▼aLi,  Yishan  Sherry.
■24510▼aDemocratizing  LYTACs:  Enabling  Facile  Access  to  Targeted  Protein  Degradation  Via  Mannose-6-Phosphate  Receptor
■260    ▼a[Sl]▼bStanford  University▼c2025
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2025
■300    ▼a97  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  87-05,  Section:  A.
■500    ▼aAdvisor:  Bertozzi,  Carolyn.
■5021  ▼aThesis  (Ph.D.)--Stanford  University,  2025.
■520    ▼aExtracellular  and  membrane  proteins  comprise  of  around  40%  of  disease-related  protein  targets  that  are  traditionally  difficult  to  target  using  conventional  small  molecules.  Recent  development  in  targeted  protein  degradation  opened  a  new  opportunity  to  tackle  this  class  of  undruggable  protein  by  directing  them  to  the  proteasome  or  lysosome,  endogenous  biological  pathways,  for  degrading  selected  protein.  Lysosomal  targeting  chimera  (LYTAC)  is  a  technology  developed  in  the  Bertozzi  Lab  that  engages  extracellular  or  membrane  protein  to  a  cell  surface  lysosomal  receptor,  mannose-6-phosphate  receptor  (M6PR),  for  selected  internalization  and  degradation  of  targeted  protein  in  the  lysosome.  LYTAC  is  a  bifunctional  molecule  that  consists  of  a  target-specific  antibody  that  is  modified  with  mannose-6-phosphonate  (M6Pn),  a  bioisosteromer  of  the  native  ligand  of  M6PR,  mannose-6-phosphate  (M6P).  Current  synthesis  of  LYTAC  involves  either  a  lengthy  chemical  synthesis  pathway  that  generate  a  heterogenous  polymer  of  M6Pn  or  a  solid-state  peptide  synthesis  that  generates  a  2-mer  or  5-mer  of  M6Pn,  both  of  which  are  complex  synthesis  that  is  low  yield  and  require  extensive  organic  chemistry  expertise  and  thus  inaccessible  to  many  biology  and  therapeutic-focused  labs.  We  hereby  developed  an  alternative  synthetic  strategy  that  uses  a  clickable  monomer  of  M6Pn,  which  is  now  made  commercially  available,  to  construct  LYTAC  molecules  via  easily  accessible  chemistry.  Our  LYTAC  synthesis  is  tunable  and  reproducible  across  experiments,  and  all  reagents  can  be  purchased  commercially  for  easy  access.  We  then  demonstrated  the  protein  of  interest  (POI)  internalization  and  degradation  activity  of  LYTAC  across  many  mammalian  cell  lines,  highlighting  important  factors  that  predict  LYTAC  efficiency  across  cell  lines.  This  work  provides  a  facile  and  scalable  synthesis  of  a  class  of  highly  desirable  molecule  and  robust  assays  to  study  the  activity  of  LYTAC  and  POI  degradation.
■590    ▼aSchool  code:  0212.
■650  4▼aCells
■650  4▼aRecycling
■650  4▼aAntibodies
■650  4▼aCancer  therapies
■650  4▼aGlioma
■650  4▼aBiological  products
■650  4▼aPharmacokinetics
■650  4▼aDesign
■650  4▼aGlycosylation
■650  4▼aAutophagy
■650  4▼aFlow  cytometry
■650  4▼aAntigens
■650  4▼aReproducibility
■650  4▼aOrganic  chemistry
■650  4▼aCellular  biology
■650  4▼aOncology
■650  4▼aPharmaceutical  sciences
■650  4▼aPharmacology
■650  4▼aSustainability
■690    ▼a0490
■690    ▼a0389
■690    ▼a0379
■690    ▼a0992
■690    ▼a0572
■690    ▼a0419
■690    ▼a0640
■71020▼aStanford  University.
■7730  ▼tDissertations  Abstracts  International▼g87-05A.
■790    ▼a0212
■791    ▼aPh.D.
■792    ▼a2025
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17360804▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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