Cited by 245Protein Degradation and InhibitorsChemical Synthesis and AnalysisRNA Interference and Gene Delivery

Bifunctional small molecules that mediate the degradation of extracellular proteins

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Caianiello, David F., Zhang, Mengwen, Ray, Jason D., Howell, Rebecca A., Swartzel, Jake C., Branham, Emily M. J., Chirkin, Egor, Sabbasani, Venkata R. +4 more·2021·Nature Chemical Biology

Published version of a preprint

Abstract

Targeted protein degradation (TPD) has emerged as a promising therapeutic strategy. Most TPD technologies use the ubiquitin-proteasome system, and are therefore limited to targeting intracellular proteins. To address this limitation, we developed a class of modular, bifunctional synthetic molecules called MoDE-As (molecular degraders of extracellular proteins through the asialoglycoprotein receptor (ASGPR)), which mediate the degradation of extracellular proteins. MoDE-A molecules mediate the formation of a ternary complex between a target protein and ASGPR on hepatocytes. The target protein is then endocytosed and degraded by lysosomal proteases. We demonstrated the modularity of the MoDE-A technology by synthesizing molecules that induce depletion of both antibody and proinflammatory cytokine proteins. These data show experimental evidence that nonproteinogenic, synthetic molecules can enable TPD of extracellular proteins in vitro and in vivo. We believe that TPD mediated by the MoDE-A technology will have widespread applications for disease treatment.

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Crossref · 10.1038/s41589-021-00851-1

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  • MoDE-As are molecular degraders that degrade extracellular proteins via ASGPR, comprising three GalNAc ligands, a POI binding element, and a PEG spacer; in vivo and in vitro results demonstrated that MoDE-A molecules facilitated rapid clearance of α-DNP antibodies or cytokine MIF from circulation, and MoDE-A is the first molecule shown to effectively mediate extracellular protein degradation both

    “MoDE-As, or molecular degraders that degrade extracellular proteins via the asialoglycoprotein receptor (ASGPR), represent a novel extracellular protein degradation technology initially reported by Professor David A. Spiegel of Yale University. MoDE-As comprise three GalNAc ligands recognized by ASGPR, a protein-of-interest (POI) binding element, and a polyethylene glycol (PEG) spacer fragment”

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Authors
Caianiello, D. F., Zhang, M., Ray, J. D., Howell, R. A., Swartzel, J. C., Branham, E. M. J., Chirkin, E., Sabbasani, V. R., Gong, A. Z., McDonald, D. M., Muthusamy, V., & Spiegel, D. A.
Affiliations
Yale University (US)
Corresponding author
Spiegel, David A.
Venue
Nature Chemical Biology
Published
2021-08-19
Volume
17
Issue
9
Pages
947-953
ISSN
  • 1552-4450 (ISSN-L)
  • 1552-4469
OpenAlex
W3195114088
Cited by
244
References
53
Citations by year
2026: 49 · 2025: 62 · 2024: 51 · 2023: 47 · 2022: 28 · 2021: 7
FWCI
10.51
Type
journal article
Language
en
Open access
Locations
  • Nature Chemical Biology (publishedVersion)
  • ChemRxiv (acceptedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • Royal College of Surgeons in Ireland (submittedVersion)
Funders
  • U.S. Department of Defense (BC120554)
  • Yale University
  • National Institute of General Medical Sciences (T32GM067543)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Degradation and Inhibitors
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Chemical Synthesis and Analysis
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Interference and Gene Delivery
Keywords
targeted protein degradation, extracellular proteins, asialoglycoprotein receptor, bifunctional small molecules, lysosomal degradation, endocytosis, antibody depletion, inflammatory cytokines, hepatocytes
MeSH terms
Animals, Dinitrophenols, Humans, Male, Mice, Inbred C57BL, Molecular Structure, Asialoglycoprotein Receptor, Mice, Small Molecule Libraries, Hep G2 Cells

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