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García-Roman S, Garzón-Ibáñez M, Bertrán-Alamillo J, Jordana-Ariza N, Giménez-Capitán A, García-Peláez B, Vives-Usano M, Codony-Servat J, d'Hondt E, Rosell R, Molina-Vila MÁ. Vaccine antibodies against a synthetic epidermal growth factor variant enhance the antitumor effects of inhibitors targeting the MAPK/ERK and PI3K/Akt pathways. Transl Oncol 2024; 40:101878. [PMID: 38183801 PMCID: PMC10818253 DOI: 10.1016/j.tranon.2024.101878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 12/05/2023] [Accepted: 12/29/2023] [Indexed: 01/08/2024] Open
Abstract
BACKGROUND The EGFR pathway is involved in intrinsic and acquired resistance to a wide variety of targeted therapies in cancer. Vaccination represents an alternative to the administration of anti-EGFR monoclonal antibodies, such as cetuximab or panitumumab. Here, we tested if anti-EGF antibodies generated by vaccination (anti-EGF VacAbs) could potentiate the activity of drugs targeting the ERK/MAPK and PI3K/Akt pathways. METHODS Non-small cell lung cancer (NSCLC), colorectal cancer (CRC) and melanoma cell lines harboring KRAS, NRAS, BRAF and PIK3CA mutations were used. Anti-EGF VacAbs were obtained by immunizing rabbits with a fusion protein containing a synthetic, highly mutated variant of human EGF. Cell viability was determined by MTT, total and phosphorylated proteins by Western blotting, cell cycle distribution and cell death by flow cytometry and emergence of resistance by microscopic examination in low density cultures. RESULTS Anti-EGF VacAbs potentiated the antiproliferative effects of MEK, KRAS G12C, BRAF, PI3K and Akt inhibitors in KRAS, NRAS, BRAF and PIK3CA mutant cells and delayed the appearance of resistant clones in vitro. The effects of anti-EGF VacAbs were comparable or superior to those of panitumumab and cetuximab. The combination of anti-EGF VacAbs with the targeted inhibitors effectively suppressed EGFR downstream pathways and sera from patients immunized with an anti-EGF vaccine also blocked activation of EGFR effectors. CONCLUSIONS Anti-EGF VacAbs enhance the antiproliferative effects of drugs targeting the ERK/MAPK and PIK3CA/Akt pathways. Our data provide a rationale for clinical trials testing anti-EGF vaccination combined with inhibitors selected according to the patient's genetic profile.
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Affiliation(s)
- Silvia García-Roman
- Laboratory of Oncology/Pangaea Oncology S.L., Dexeus University Hospital, C/ Sabino Arana 5, Barcelona 08023, Spain
| | - Mónica Garzón-Ibáñez
- Laboratory of Oncology/Pangaea Oncology S.L., Dexeus University Hospital, C/ Sabino Arana 5, Barcelona 08023, Spain
| | - Jordi Bertrán-Alamillo
- Laboratory of Oncology/Pangaea Oncology S.L., Dexeus University Hospital, C/ Sabino Arana 5, Barcelona 08023, Spain
| | - Núria Jordana-Ariza
- Laboratory of Oncology/Pangaea Oncology S.L., Dexeus University Hospital, C/ Sabino Arana 5, Barcelona 08023, Spain
| | - Ana Giménez-Capitán
- Laboratory of Oncology/Pangaea Oncology S.L., Dexeus University Hospital, C/ Sabino Arana 5, Barcelona 08023, Spain
| | - Beatriz García-Peláez
- Laboratory of Oncology/Pangaea Oncology S.L., Dexeus University Hospital, C/ Sabino Arana 5, Barcelona 08023, Spain
| | - Marta Vives-Usano
- Laboratory of Oncology/Pangaea Oncology S.L., Dexeus University Hospital, C/ Sabino Arana 5, Barcelona 08023, Spain
| | - Jordi Codony-Servat
- Laboratory of Oncology/Pangaea Oncology S.L., Dexeus University Hospital, C/ Sabino Arana 5, Barcelona 08023, Spain
| | | | - Rafael Rosell
- Instituto Oncológico Dr. Rosell (IOR), Dexeus University Hospital, Barcelona, Spain; Catalan Institute of Oncology and Institut d'Investigació en Ciències de la Salut Germans Trias i Pujol, Badalona, Spain
| | - Miguel Ángel Molina-Vila
- Laboratory of Oncology/Pangaea Oncology S.L., Dexeus University Hospital, C/ Sabino Arana 5, Barcelona 08023, Spain.
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Molina-Vila MA, Stahel RA, Dafni U, Jordana-Ariza N, Balada-Bel A, Garzón-Ibáñez M, García-Peláez B, Mayo-de-las-Casas C, Felip E, Curioni Fontecedro A, Gautschi O, Peters S, Massutí B, Palmero R, Ponce Aix S, Carcereny E, Früh M, Pless M, Popat S, Cuffe S, Bidoli P, Kammler R, Roschitzki-Voser H, Tsourti Z, Karachaliou N, Rosell R. Evolution and Clinical Impact of EGFR Mutations in Circulating Free DNA in the BELIEF Trial. J Thorac Oncol 2020; 15:416-425. [DOI: 10.1016/j.jtho.2019.11.023] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 11/12/2019] [Accepted: 11/19/2019] [Indexed: 01/05/2023]
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Mayo-de-Las-Casas C, Velasco A, Sanchez D, Martínez-Bueno A, Garzón-Ibáñez M, Gatius S, Ruiz-Miró M, Gonzalez-Tallada X, Llordella I, Tresserra F, Rodríguez S, Aldeguer E, Roman-Canal B, Bertran-Alamillo J, García-Peláez B, Rosell R, Molina-Vila MA, Matias-Guiu X. Detection of somatic mutations in peritoneal lavages and plasma of endometrial cancer patients: A proof-of-concept study. Int J Cancer 2020; 147:277-284. [PMID: 31953839 DOI: 10.1002/ijc.32872] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 12/10/2019] [Accepted: 01/03/2020] [Indexed: 12/18/2022]
Abstract
Endometrial cancer (EC) is the most common gynecologic malignancy in developed countries. Although most patients are diagnosed at early stages, 15-20% will relapse despite local treatment. Presently, there are no reliable markers to identify patients with worse outcomes who may benefit from adjuvant treatments, such as chemotherapy, and liquid biopsies may be of use in this setting. Peritoneal lavages are systematically performed during endometrial surgery but little data are available about their potential as liquid biopsies. We analyzed KRAS and PIK3CA mutations in paired surgical biopsies, blood and cytology-negative peritoneal lavages in a cohort of 50 EC patients. Surgical biopsies were submitted to next-generation sequencing (NGS) while circulating-free DNA (cfDNA) purified from plasma and peritoneal lavages was analyzed for KRAS and PIK3CA hotspot mutations using a sensitive quantitative polymerase chain reaction (PCR) assay. NGS of biopsies revealed KRAS, PIK3CA or concomitant KRAS + PIK3CA mutations in 33/50 (66%) EC patients. Of those, 19 cases carried hotspot mutations. Quantitative PCR revealed KRAS and/or PIK3CA mutations in the lavages of 9/19 (47.4%) hotspot EC patients. In contrast, only 2/19 (10.5%) blood samples from hotspot EC patients were positive. Mutations found in cfDNA consistently matched those in paired biopsies. One of the two patients positive in plasma and lavage died in less than 6 months. In conclusion, mutational analysis in peritoneal lavages and blood from early stage EC is feasible. Further studies are warranted to determine if it might help to identify patients with worse prognosis. Human genes discussed: KRAS, KRAS proto-oncogene, GTPase; PIK3CA, phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha.
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Affiliation(s)
- Clara Mayo-de-Las-Casas
- Laboratory of Oncology, Pangaea Oncology, Quirón Dexeus University Hospital, Barcelona, Spain
| | - Ana Velasco
- Department of Pathology, Hospital Universitari Arnau de Vilanova, IRBLLEIDA, Lleida, Spain
| | - Douglas Sanchez
- Department of Pathology, Hospital Universitari Arnau de Vilanova, IRBLLEIDA, Lleida, Spain
| | | | - Mónica Garzón-Ibáñez
- Laboratory of Oncology, Pangaea Oncology, Quirón Dexeus University Hospital, Barcelona, Spain
| | - Sònia Gatius
- Department of Pathology, Hospital Universitari Arnau de Vilanova, IRBLLEIDA, Lleida, Spain
| | | | | | - Ivana Llordella
- Department of Gynecology, Hospital Universitari Arnau de Vilanova, IRBLLEIDA, Lleida, Spain
| | - Francesc Tresserra
- Department of Pathology, Quirón Dexeus University Hospital, Barcelona, Spain
| | - Sonia Rodríguez
- Laboratory of Oncology, Pangaea Oncology, Quirón Dexeus University Hospital, Barcelona, Spain
| | - Erika Aldeguer
- Laboratory of Oncology, Pangaea Oncology, Quirón Dexeus University Hospital, Barcelona, Spain
| | | | - Jordi Bertran-Alamillo
- Laboratory of Oncology, Pangaea Oncology, Quirón Dexeus University Hospital, Barcelona, Spain
| | - Beatriz García-Peláez
- Laboratory of Oncology, Pangaea Oncology, Quirón Dexeus University Hospital, Barcelona, Spain
| | - Rafael Rosell
- Dr Rosell Oncology Institute, Quirón Dexeus University Hospital, Barcelona, Spain
- Cancer Biology and Precision Medicine Program, Catalan Institute of Oncology, Germans Trias i Pujol Health Sciences Institute and Hospital, Badalona, Spain
| | - Miguel A Molina-Vila
- Laboratory of Oncology, Pangaea Oncology, Quirón Dexeus University Hospital, Barcelona, Spain
| | - Xavier Matias-Guiu
- Department of Pathology, Hospital Universitari Arnau de Vilanova, IRBLLEIDA, Lleida, Spain
- Hospital Universitari de Bellvitge, IDIBELL, Barcelona, Spain
- University of Lleida, CIBERONC, Lleida, Spain
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