Cited by 171Monoclonal and Polyclonal Antibodies ResearchCancer Immunotherapy and BiomarkersProtein Degradation and Inhibitors

Bispecific antibodies targeting mutant RAS neoantigens

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Douglass, Jacqueline, Hsiue, Emily Han-Chung, Mog, Brian J., Hwang, Michael S., DiNapoli, Sarah R., Pearlman, Alexander H., Miller, Michelle S., Wright, Katharine M. +18 more·2021·Science Immunology

Abstract

Bispecific T cell–engaging antibodies capable of specifically killing cancer cells expressing mutant RAS neoantigens were generated.

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Crossref · 10.1126/sciimmunol.abd5515

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67 of 67 references verified0 citation errors · 0 not checkable

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  • Peptides derived from KRASG12 variants and from KRASQ61H/L/R are presented on the surface of malignant cells by various MHC I (HLA-A) molecules.

    “As noted above, peptides derived from KRASG12 variants193,194, and also from KRASQ61H/L/R (ref.198), have been demonstrated to be presented on the surface of malignant cells by various MHC I (HLA-A) molecules.”
  • Diabodies engineered to recognize MHC I-peptide complexes on KRAS-mutant cells and to bind CD3 induced T cell-mediated cytotoxicity in vitro, with some anticancer activity in mouse models that did not reach statistical significance.

    “Bispecific dimeric single-chain antibody fragment constructs, so-called ‘diabodies’, have been engineered to recognize such MHC I–peptide complexes on KRAS-mutant cells and recruit T cells by simultaneously binding to CD3; these agents induced T cell-mediated cytotoxicity in vitro, with some anticancer activity observed in mouse models (although the effect did not reach statistical significance)”
  • Preclinical studies have identified bi-specific T cell engager molecules that bind mutant RAS peptide neoepitopes (G12V, Q61H/L/R) complexed with HLA and induce T cell-mediated killing of cancer cells expressing endogenous mutant RAS and cognate HLA alleles.

    “Recent preclinical studies have identified bi-specific T cell engager protein molecules that specifically bind to mutant RAS peptide neoepitopes (G12V, Q61H/L/R) complexed with human leukocyte antigen inducing T cell-mediated killing of target cancer cells expressing endogenous levels of the mutant RAS proteins and cognate HLA alleles (85).”

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Authors
Douglass, J., Hsiue, E. H.-C., Mog, B. J., Hwang, M. S., DiNapoli, S. R., Pearlman, A. H., Miller, M. S., Wright, K. M., Azurmendi, P. A., Wang, Q., Paul, S., Schaefer, A., Skora, A. D., Molin, M. D., Konig, M. F., Liu, Q., Watson, E., Li, Y., Murphy, M. B., Pardoll, D. M., Bettegowda, C., Papadopoulos, N., Gabelli, S. B., Kinzler, K. W., Vogelstein, B., & Zhou, S.
Affiliations
  • Howard Hughes Medical Institute (US)
  • University of Maryland Medical Center (US)
  • Johns Hopkins University (US)
  • Cytiva, Marlborough, MA 01752, USA.
Corresponding author
  • Douglass, Jacqueline
  • Hsiue, Emily Han-Chung
  • Mog, Brian J.
  • Hwang, Michael S.
  • DiNapoli, Sarah R.
  • Pearlman, Alexander H.
  • Wang, Qing
  • Vogelstein, Bert
  • Zhou, Shibin
Venue
Science Immunology
Published
2021-03-04
Volume
6
Issue
57
ISSN
2470-9468 (ISSN-L)
OpenAlex
W3134794297
Cited by
171
References
67
Citations by year
2026: 18 · 2025: 29 · 2024: 22 · 2023: 34 · 2022: 37 · 2021: 31
FWCI
16.38
Type
journal article
Language
en
Open access
Locations
  • Science Immunology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • NIH Office of the Director (5T32CA009071-38, T32 GM73009)
  • National Cancer Institute (R37 CA230400)
  • Commonwealth Fund
  • Lustgarten Foundation
  • Bloomberg~Kimmel Institute for Cancer Immunotherapy, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University
  • Bloomberg Philanthropies
  • The Virginia and D.K. Ludwig Fund for Cancer Research
  • The Mark Foundation for Cancer Research
  • NIH Cancer Center Support (P30 CA006973)
  • National Institute of Arthritis and Musculoskeletal and Skin Diseases of the National Institutes of Health (T32AR048522)
  • SITC-Amgen Cancer Immunotherapy in Hematologic Malignancies Fellowship
Topics
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Monoclonal and Polyclonal Antibodies Research
  • Health Sciences › Medicine › Oncology › Cancer Immunotherapy and Biomarkers
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Degradation and Inhibitors
Keywords
bispecific antibodies, RAS mutations, neoantigens, oncogenic mutations, cancer immunotherapy
MeSH terms
Amino Acid Sequence, Animals, Antigens, Neoplasm, Cell Line, Cross Reactions, HLA Antigens, Humans, Lymphocyte Activation, Mutation, Peptide Fragments, Protein Binding, Biomarkers, Tumor, T-Lymphocyte Subsets, Antibodies, Bispecific, ras Proteins, Mutant Proteins

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