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Volume 8
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10.3390/jcm8111880
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Article

Patient-Derived Head and Neck Cancer Organoids Recapitulate EGFR Expression Levels of Respective Tissues and Are Responsive to EGFR-Targeted Photodynamic Therapy

by
Else Driehuis
1,†,
Sacha Spelier
1,2,†,
Irati Beltrán Hernández
3,
Remco de Bree
4,
Stefan M. Willems
5,
Hans Clevers
1,6 and
Sabrina Oliveira
2,3,*
1
Oncode Institute, Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences (KNAW) and University Medical Center Utrecht, 3584 CT Utrecht, The Netherlands
2
Cell Biology, Department of Biology, Faculty of Science, Utrecht University, 3584 CH Utrecht, The Netherlands
3
Pharmaceutics, Department of Pharmaceutical Sciences, Faculty of Science, Utrecht University, 3584 CG Utrecht, The Netherlands
4
Department of Head and Neck Surgical Oncology, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands
5
Department of Pathology, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands
6
Princess Maxima Center, 3584 CS Utrecht, The Netherlands
*
Author to whom correspondence should be addressed.
†
These authors contributed equally to this work.
J. Clin. Med. 2019, 8(11), 1880; https://doi.org/10.3390/jcm8111880
Received: 27 September 2019 / Revised: 31 October 2019 / Accepted: 3 November 2019 / Published: 5 November 2019
(This article belongs to the Special Issue The Past, Present and Future of Photodynamic Therapy for Cancers)
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Abstract

Patients diagnosed with head and neck squamous cell carcinoma (HNSCC) are currently treated with surgery and/or radio- and chemotherapy. Despite these therapeutic interventions, 40% of patients relapse, urging the need for more effective therapies. In photodynamic therapy (PDT), a light-activated photosensitizer produces reactive oxygen species that ultimately lead to cell death. Targeted PDT, using a photosensitizer conjugated to tumor-targeting molecules, has been explored as a more selective cancer therapy. Organoids are self-organizing three-dimensional structures that can be grown from both normal and tumor patient-material and have recently shown translational potential. Here, we explore the potential of a recently described HNSCC–organoid model to evaluate Epidermal Growth Factor Receptor (EGFR)-targeted PDT, through either antibody- or nanobody-photosensitizer conjugates. We find that EGFR expression levels differ between organoids derived from different donors, and recapitulate EGFR expression levels of patient material. EGFR expression levels were found to correlate with the response to EGFR-targeted PDT. Importantly, organoids grown from surrounding normal tissues showed lower EGFR expression levels than their tumor counterparts, and were not affected by the treatment. In general, nanobody-targeted PDT was more effective than antibody-targeted PDT. Taken together, patient-derived HNSCC organoids are a useful 3D model for testing in vitro targeted PDT. View Full-Text
Keywords: targeted photodynamic therapy; organoids; HNSCC; EGFR targeted photodynamic therapy; organoids; HNSCC; EGFR
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MDPI and ACS Style

Driehuis, E.; Spelier, S.; Beltrán Hernández, I.; de Bree, R.; M. Willems, S.; Clevers, H.; Oliveira, S. Patient-Derived Head and Neck Cancer Organoids Recapitulate EGFR Expression Levels of Respective Tissues and Are Responsive to EGFR-Targeted Photodynamic Therapy. J. Clin. Med. 2019, 8, 1880. https://doi.org/10.3390/jcm8111880

AMA Style

Driehuis E, Spelier S, Beltrán Hernández I, de Bree R, M. Willems S, Clevers H, Oliveira S. Patient-Derived Head and Neck Cancer Organoids Recapitulate EGFR Expression Levels of Respective Tissues and Are Responsive to EGFR-Targeted Photodynamic Therapy. Journal of Clinical Medicine. 2019; 8(11):1880. https://doi.org/10.3390/jcm8111880

Chicago/Turabian Style

Driehuis, Else; Spelier, Sacha; Beltrán Hernández, Irati; de Bree, Remco; M. Willems, Stefan; Clevers, Hans; Oliveira, Sabrina. 2019. "Patient-Derived Head and Neck Cancer Organoids Recapitulate EGFR Expression Levels of Respective Tissues and Are Responsive to EGFR-Targeted Photodynamic Therapy" J. Clin. Med. 8, no. 11: 1880. https://doi.org/10.3390/jcm8111880

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