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Jancewicz I, Śmiech M, Winiarska M, Zagozdzon R, Wisniewski P. New CEACAM-targeting 2A3 single-domain antibody-based chimeric antigen receptor T-cells produce anticancer effects in vitro and in vivo. Cancer Immunol Immunother 2024; 73:30. [PMID: 38279989 PMCID: PMC10821984 DOI: 10.1007/s00262-023-03602-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 11/20/2023] [Indexed: 01/29/2024]
Abstract
Recently, a breakthrough immunotherapeutic strategy of chimeric antigen receptor (CAR) T-cells has been introduced to hematooncology. However, to apply this novel treatment in solid cancers, one must identify suitable molecular targets in the tumors of choice. CEACAM family proteins are involved in the progression of a range of malignancies, including pancreatic and breast cancers, and pose attractive targets for anticancer therapies. In this work, we used a new CEACAM-targeted 2A3 single-domain antibody-based chimeric antigen receptor T-cells to evaluate their antitumor properties in vitro and in animal models. Originally, 2A3 antibody was reported to target CEACAM6 molecule; however, our in vitro co-incubation experiments showed activation and high cytotoxicity of 2A3-CAR T-cells against CEACAM5 and/or CEACAM6 high human cell lines, suggesting cross-reactivity of this antibody. Moreover, 2A3-CAR T-cells tested in vivo in the BxPC-3 xenograft model demonstrated high efficacy against pancreatic cancer xenografts in both early and late intervention treatment regimens. Our results for the first time show an enhanced targeting toward CEACAM5 and CEACAM6 molecules by the new 2A3 sdAb-based CAR T-cells. The results strongly support the further development of 2A3-CAR T-cells as a potential treatment strategy against CEACAM5/6-overexpressing cancers.
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Affiliation(s)
- Iga Jancewicz
- 4Cell Therapies S.A., 59C Bojkowska Street, 44-100, Gliwice, Poland
| | - Magdalena Śmiech
- 4Cell Therapies S.A., 59C Bojkowska Street, 44-100, Gliwice, Poland
| | - Magdalena Winiarska
- 4Cell Therapies S.A., 59C Bojkowska Street, 44-100, Gliwice, Poland
- Department of Immunology, Medical University of Warsaw, 5 Nielubowicza St., Building F, 02-097, Warsaw, Poland
| | - Radoslaw Zagozdzon
- 4Cell Therapies S.A., 59C Bojkowska Street, 44-100, Gliwice, Poland.
- Laboratory of Cellular and Genetic Therapies, Medical University of Warsaw, Banacha 1B, 02-097, Warsaw, Poland.
- Department of Regenerative Medicine, The Maria Sklodowska-Curie National Research Institute of Oncology, 5 Roentgena Street, 02-781, Warsaw, Poland.
| | - Pawel Wisniewski
- 4Cell Therapies S.A., 59C Bojkowska Street, 44-100, Gliwice, Poland.
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Pappas EG, Kershaw MH, Slaney CY. Insights into Cancer Immunotherapies: Recent Breakthroughs, Opportunities, and Challenges. Cancers (Basel) 2023; 15:cancers15041322. [PMID: 36831663 PMCID: PMC9954646 DOI: 10.3390/cancers15041322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 02/14/2023] [Indexed: 02/22/2023] Open
Abstract
This Special Issue reminds us that, although incredible developments have occurred in the field of cancer immunotherapy, there is still plenty of room for improvement [...].
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Affiliation(s)
- Evan G. Pappas
- Cancer Immunology Program, Peter MacCallum Cancer Centre, Melbourne, VIC 3000, Australia
- Sir Peter MacCallum Department of Oncology, University of Melbourne, Parkville, VIC 3010, Australia
| | - Michael H. Kershaw
- Cancer Immunology Program, Peter MacCallum Cancer Centre, Melbourne, VIC 3000, Australia
- Sir Peter MacCallum Department of Oncology, University of Melbourne, Parkville, VIC 3010, Australia
| | - Clare Y. Slaney
- Cancer Immunology Program, Peter MacCallum Cancer Centre, Melbourne, VIC 3000, Australia
- Sir Peter MacCallum Department of Oncology, University of Melbourne, Parkville, VIC 3010, Australia
- Correspondence:
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Analysis of Genomic Alterations Associated with Recurrence in Early Stage HER2-Positive Breast Cancer. Cancers (Basel) 2022; 14:cancers14153650. [PMID: 35954313 PMCID: PMC9367395 DOI: 10.3390/cancers14153650] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 07/20/2022] [Accepted: 07/23/2022] [Indexed: 12/25/2022] Open
Abstract
We aimed to compare gene expression in primary tumors of patients with recurrence and nonrecurrence to gain insight into the biology of high-risk HER2-positive early breast cancer. Patients who underwent curative resection and received adjuvant trastuzumab for HER2-positive early breast cancer were evaluated. Gene expression analyses were performed using NanoString Technologies’ nCounter Breast Cancer 360 Panel. PAM50 intrinsic subtypes and Breast Cancer Signatures including tumor inflammation signature (TIS) were evaluated. Of 247 patients, 28 (11.3%) had recurrence at a median follow-up of 54.2 months. Patients with pathological stage III, tumor size > 5 cm, axillary lymph node metastases, and hormone receptor-negativity were more frequently observed in the recurrent group compared with the nonrecurrent group. In patients with recurrence, seven genes were upregulated significantly, including WNT11, HAPLN1, FGF10, BBOX1, CXADR, NDP, and EREG, and two genes were downregulated, including CXCL9 and GNLY. TIS score was significantly lower in patients with recurrence compared with controls without recurrence. These findings suggest that activation of oncogenic signaling pathways related to cell proliferation, adhesion, cancer stemness, and noninflamed tumor microenvironment are associated with the risk of recurrence in early stage, HER2-positive breast cancer.
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Pellegrino B, Tommasi C, Cursio OE, Musolino A, Migliori E, De Silva P, Senevirathne TH, Schena M, Scartozzi M, Farci D, Willard-Gallo K, Solinas C. A review of immune checkpoint blockade in breast cancer. Semin Oncol 2021; 48:208-225. [PMID: 34620502 DOI: 10.1053/j.seminoncol.2021.09.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 08/27/2021] [Accepted: 09/01/2021] [Indexed: 11/11/2022]
Abstract
In the recent years characterized by the cancer immunotherapy revolution, attention has turned to how to potentially boost and/or generate an efficient anti-tumor immune response in breast cancer (BC). Clinical activity of immune checkpoint blockade (ICB) targeting PD-1 or PD-L1 in BC has been more evident in the triple negative subtype and in earlier lines of the treatment. Remarkably, some responders to single agent ICB have achieved durable responses with metastatic disease, possibly as a result of treatment-induced immunological memory. However, most BC are immunologically quiescent and current research efforts developing ICB combinations are attempting to convert "cold" into "hot" tumors by manipulating the tumor microenvironment, expanding anti-tumor T cells improving efficient antigen presentation, and suppressing pro-tumor inhibitory cells. The aim of this review is to summarize existing data on the efficacy of immune checkpoint blockers as single agents and combination strategies in all BC subtypes, highlighting the BC subgroups that benefit most from ICB.
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Affiliation(s)
- Benedetta Pellegrino
- Department of Medicine and Surgery, University of Parma, Italy; Medical Oncology and Breast Unit, University Hospital of Parma, Italy.
| | - Chiara Tommasi
- Department of Medicine and Surgery, University of Parma, Italy
| | | | - Antonino Musolino
- Department of Medicine and Surgery, University of Parma, Italy; Medical Oncology and Breast Unit, University Hospital of Parma, Italy
| | - Edoardo Migliori
- Columbia University Medical Center, Columbia Center for Translational Immunology, New York, NY, United States
| | - Pushpamali De Silva
- Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
| | | | - Marina Schena
- Regional Hospital of Aosta, Azienda USL Valle d'Aosta, Aosta, Italy
| | | | - Daniele Farci
- Medical Oncology, Casa di Cura Decimomannu, Cagliari, Italy
| | | | - Cinzia Solinas
- Medical Oncology, S. Francesco Hospital, Nuoro, Azienda Tutela della Salute della Sardegna, Italy.
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Clinicopathologic features and treatment advances in cancers with HER2 alterations. Biochim Biophys Acta Rev Cancer 2021; 1876:188605. [PMID: 34358635 DOI: 10.1016/j.bbcan.2021.188605] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 07/28/2021] [Accepted: 07/28/2021] [Indexed: 12/14/2022]
Abstract
HER2 is one of the most important proteins of the epidermal growth factor receptor (EGFR) family, whose alterations include amplification, overexpression and gene mutation. Growing attention has been given to HER2 as a biomarker for prognosis, an indicator for treatment response and a target for new drugs. Tumors with HER2 alterations have been well studied in multiple locations as distinct entities for treatment, especially breast cancer, gastric cancer, lung cancer and colorectal cancer. These four cancers are the leading causes of cancer incidence and cancer-related death worldwide. The present study details the landscape of HER2 amplification/overexpression and mutations and gives an up-to-date analysis of current clinical trials in the four cancers mentioned above. Different HER2-altered cancers not only respond differently to HER2-targeting therapies but also display diverse survival outcomes. Even in the same type of cancer, HER2 amplification/overexpression differs from HER2 mutation in terms of clinicopathologic features and treatment strategies. As an emerging strategy in cancer treatment, immune checkpoint inhibitors demonstrate distinct outcomes in HER2-altered breast cancer, gastric cancer and lung cancer.
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Hartman ZC. How can we create precision immunotherapy as standard in breast cancer? Expert Rev Anticancer Ther 2021; 21:1179-1181. [PMID: 34213990 DOI: 10.1080/14737140.2021.1951241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Zachary C Hartman
- Department of Surgery, Division of Surgical Sciences, Duke University, Durham, NC, USA.,Department of Pathology, Duke University, Durham, NC, USA
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