SCAN-ACT: adoptive T cell therapy target discovery through single-cell transcriptomics

Abstract Background The FDA approval of T cell receptor-engineered T cells (TCR-T) for synovial sarcoma demonstrates the potential for adoptive T cell therapies (ACTs) in solid tumors. However, the paucity of tumor-associated targets without expression in normal tissues remains a major bottleneck, e...

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Main Authors: Stefano Testa, Aastha Pal, Ajay Subramanian, Sushama Varma, Jack Pengfei Tang, Danielle Graham, Sara Arfan, Minggui Pan, Nam Q. Bui, Kristen N. Ganjoo, Sarah Dry, Paul Huang, Matt van de Rijn, Wei Jiang, Anusha Kalbasi, Everett J. Moding
Format: Article
Language:English
Published: BMC 2025-08-01
Series:Genome Medicine
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Online Access:https://doi.org/10.1186/s13073-025-01514-9
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author Stefano Testa
Aastha Pal
Ajay Subramanian
Sushama Varma
Jack Pengfei Tang
Danielle Graham
Sara Arfan
Minggui Pan
Nam Q. Bui
Kristen N. Ganjoo
Sarah Dry
Paul Huang
Matt van de Rijn
Wei Jiang
Anusha Kalbasi
Everett J. Moding
author_facet Stefano Testa
Aastha Pal
Ajay Subramanian
Sushama Varma
Jack Pengfei Tang
Danielle Graham
Sara Arfan
Minggui Pan
Nam Q. Bui
Kristen N. Ganjoo
Sarah Dry
Paul Huang
Matt van de Rijn
Wei Jiang
Anusha Kalbasi
Everett J. Moding
author_sort Stefano Testa
collection DOAJ
description Abstract Background The FDA approval of T cell receptor-engineered T cells (TCR-T) for synovial sarcoma demonstrates the potential for adoptive T cell therapies (ACTs) in solid tumors. However, the paucity of tumor-associated targets without expression in normal tissues remains a major bottleneck, especially in rare cancer subtypes. Methods We developed a comprehensive computational pipeline called SCAN-ACT that leverages single-cell RNA sequencing and multi-omics data from tumor and normal tissues to nominate and prioritize putative targets for both chimeric antigen receptor (CAR)- and TCR-T cells. For surface membrane targets, SCAN-ACT proposes monospecific targets and potential target pairs for bispecific Boolean logic-gated CAR T cells. For peptide-MHC targets, SCAN-ACT proposes intracellular peptides bound to a diverse set of human leukocyte antigens. Selected targets were validated experimentally by protein expression and for peptide-MHC binding. Results We applied the SCAN-ACT pipeline to soft tissue sarcoma (STS), analyzing 986,749 single cells to identify and prioritize 395 monospecific CAR-T targets, 14,192 bispecific CAR-T targets, and 5020 peptide-MHC targets for TCR-T cells. Proposed targets and target pairs reflected the mesenchymal, neuronal, and hematopoietic ontogeny of STS. We further validated SCAN-ACT in glioblastoma revealing its versatility. Conclusions This work provides a robust data repository along with a web-based and user-friendly set of analysis tools to accelerate ACT development for solid tumors ( https://scanact.stanford.edu/ ).
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spelling doaj-art-da4eedac3e3045e3b667dcd6b84e850c2025-08-20T03:46:28ZengBMCGenome Medicine1756-994X2025-08-0117114410.1186/s13073-025-01514-9SCAN-ACT: adoptive T cell therapy target discovery through single-cell transcriptomicsStefano Testa0Aastha Pal1Ajay Subramanian2Sushama Varma3Jack Pengfei Tang4Danielle Graham5Sara Arfan6Minggui Pan7Nam Q. Bui8Kristen N. Ganjoo9Sarah Dry10Paul Huang11Matt van de Rijn12Wei Jiang13Anusha Kalbasi14Everett J. Moding15Department of Medicine, Stanford UniversityDepartment of Radiation Oncology, Stanford UniversityDepartment of Radiation Oncology, Stanford UniversityDepartment of Pathology, Stanford UniversityDepartment of Pediatrics, Boston Children’s HospitalDepartment of Surgery, Cedars-Sinai Medical CenterDivision of Molecular Pathology, The Institute of Cancer ResearchDivision of Oncology, Department of Medicine, Stanford UniversityDivision of Oncology, Department of Medicine, Stanford UniversityDivision of Oncology, Department of Medicine, Stanford UniversityDepartment of Pathology, University of CaliforniaDivision of Molecular Pathology, The Institute of Cancer ResearchDepartment of Pathology, Stanford UniversityJWE Science Technology, IncDepartment of Radiation Oncology, Stanford UniversityDepartment of Radiation Oncology, Stanford UniversityAbstract Background The FDA approval of T cell receptor-engineered T cells (TCR-T) for synovial sarcoma demonstrates the potential for adoptive T cell therapies (ACTs) in solid tumors. However, the paucity of tumor-associated targets without expression in normal tissues remains a major bottleneck, especially in rare cancer subtypes. Methods We developed a comprehensive computational pipeline called SCAN-ACT that leverages single-cell RNA sequencing and multi-omics data from tumor and normal tissues to nominate and prioritize putative targets for both chimeric antigen receptor (CAR)- and TCR-T cells. For surface membrane targets, SCAN-ACT proposes monospecific targets and potential target pairs for bispecific Boolean logic-gated CAR T cells. For peptide-MHC targets, SCAN-ACT proposes intracellular peptides bound to a diverse set of human leukocyte antigens. Selected targets were validated experimentally by protein expression and for peptide-MHC binding. Results We applied the SCAN-ACT pipeline to soft tissue sarcoma (STS), analyzing 986,749 single cells to identify and prioritize 395 monospecific CAR-T targets, 14,192 bispecific CAR-T targets, and 5020 peptide-MHC targets for TCR-T cells. Proposed targets and target pairs reflected the mesenchymal, neuronal, and hematopoietic ontogeny of STS. We further validated SCAN-ACT in glioblastoma revealing its versatility. Conclusions This work provides a robust data repository along with a web-based and user-friendly set of analysis tools to accelerate ACT development for solid tumors ( https://scanact.stanford.edu/ ).https://doi.org/10.1186/s13073-025-01514-9Cellular therapyCAR-T cellsTCR-T cellsPeptide-centric CAR-TLogic-gated CAR-TSingle-cell RNA sequencing
spellingShingle Stefano Testa
Aastha Pal
Ajay Subramanian
Sushama Varma
Jack Pengfei Tang
Danielle Graham
Sara Arfan
Minggui Pan
Nam Q. Bui
Kristen N. Ganjoo
Sarah Dry
Paul Huang
Matt van de Rijn
Wei Jiang
Anusha Kalbasi
Everett J. Moding
SCAN-ACT: adoptive T cell therapy target discovery through single-cell transcriptomics
Genome Medicine
Cellular therapy
CAR-T cells
TCR-T cells
Peptide-centric CAR-T
Logic-gated CAR-T
Single-cell RNA sequencing
title SCAN-ACT: adoptive T cell therapy target discovery through single-cell transcriptomics
title_full SCAN-ACT: adoptive T cell therapy target discovery through single-cell transcriptomics
title_fullStr SCAN-ACT: adoptive T cell therapy target discovery through single-cell transcriptomics
title_full_unstemmed SCAN-ACT: adoptive T cell therapy target discovery through single-cell transcriptomics
title_short SCAN-ACT: adoptive T cell therapy target discovery through single-cell transcriptomics
title_sort scan act adoptive t cell therapy target discovery through single cell transcriptomics
topic Cellular therapy
CAR-T cells
TCR-T cells
Peptide-centric CAR-T
Logic-gated CAR-T
Single-cell RNA sequencing
url https://doi.org/10.1186/s13073-025-01514-9
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