Cited by 228CAR-T cell therapy researchImmunotherapy and Immune ResponsesMultiple Myeloma Research and Treatments

Systematically optimized BCMA/CS1 bispecific CAR-T cells robustly control heterogeneous multiple myeloma

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Zah, Eugenia, Nam, Eunwoo, Bhuvan, Vinya, Tran, Uyen, Ji, Brenda Y., Gosliner, Stanley B., Wang, Xiuli, Brown, Christine E. +1 more·2020·Nature Communications

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Abstract

Chimeric antigen receptor (CAR)-T cell therapy has shown remarkable clinical efficacy against B-cell malignancies, yet marked vulnerability to antigen escape and tumor relapse exists. Here we report the rational design and optimization of bispecific CAR-T cells with robust activity against heterogeneous multiple myeloma (MM) that is resistant to conventional CAR-T cell therapy targeting B-cell maturation antigen (BCMA). We demonstrate that BCMA/CS1 bispecific CAR-T cells exhibit superior CAR expression and function compared to T cells that co-express individual BCMA and CS1 CARs. Combination therapy with anti–PD-1 antibody further accelerates the rate of initial tumor clearance in vivo, while CAR-T cell treatment alone achieves durable tumor-free survival even upon tumor re-challenge. Taken together, the BCMA/CS1 bispecific CAR presents a promising treatment approach to prevent antigen escape in CAR-T cell therapy against MM, and the vertically integrated optimization process can be used to develop robust cell-based therapy against novel disease targets.

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  • CAR-T cells targeting GPRC5D, CD19, CD38, CD138, CS1, and NKG2D are under exploration for MM treatment.

    “Several CAR-T cells targeting antigens, such an GPRC5D [229–231], CD19 [232, 233], CD38 [234–236], CD138 [237], CS1 [238–240] and NKG2D [241, 242] are also under exploration for their efficacy in MM treatment.”

    From Multiple myeloma: signaling pathways and targeted therapy (2024) · cites this paper as [238]

  • α-PD-1/PD-L1 enhanced CAR-T cell therapy by rescuing CAR-T cell exhaustion.

    “α-PD-1/PD-L1 enhanced CAR-T cell therapy by rescuing CAR-T cell exhaustion [341–343].”

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Authors
Zah, E., Nam, E., Bhuvan, V., Tran, U., Ji, B. Y., Gosliner, S. B., Wang, X., Brown, C. E., & Chen, Y. Y.
Affiliations
  • Amgen (United States) (US)
  • University of California, Los Angeles (US)
  • City Of Hope National Medical Center (US)
Corresponding author
Chen, Yvonne Y.
Venue
Nature Communications
Published
2020-05-08
Volume
11
Issue
1
Pages
2283-2283
ISSN
2041-1723 (ISSN-L)
OpenAlex
W3022509419
Cited by
222
References
51
Citations by year
2026: 20 · 2025: 25 · 2024: 52 · 2023: 25 · 2022: 47 · 2021: 37 · 2020: 14
FWCI
11.10
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • eScholarship (California Digital Library) (submittedVersion, cc-by)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
UC | University of California, Los Angeles
Topics
  • Health Sciences › Medicine › Oncology › CAR-T cell therapy research
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
  • Health Sciences › Medicine › Hematology › Multiple Myeloma Research and Treatments
Keywords
bispecific CAR T cells, BCMA, CS1, multiple myeloma, chimeric antigen receptor, antigen escape, tumor recurrence, anti-PD-1 combination therapy, tumor rechallenge
MeSH terms
Gene Editing, Receptors, Chimeric Antigen, Antigens, Neoplasm, Cytotoxicity, Immunologic, Humans, Immunologic Memory, Multiple Myeloma, T-Lymphocytes, Immunotherapy, Adoptive, K562 Cells, B-Cell Maturation Antigen, Programmed Cell Death 1 Receptor

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