In vivo three-dimensional evaluation of tumour hypoxia in nasopharyngeal carcinomas using FMT-CT and MSOT
Purpose Accurate evaluation of hypoxia is particularly important in patients with nasopharyngeal carcinoma (NPC) undergoing radiotherapy. The aim of this study was to propose a novel imaging strategy for quantitative three-dimensional (3D) evaluation of hypoxia in a small animal model of NPC. Methods A carbonic anhydrase IX (CAIX)-specific molecular probe (CAIX-800) was developed for imaging of hypoxia. Mouse models of subcutaneous, orthotopic, and spontaneous lymph node metastasis from NPC (5 mice per group) were established to assess the imaging strategy. A multi-modality imaging method that consisted of a hybrid combination of fluorescence molecular tomography-computed tomography (FMT-CT) and multispectral optoacoustic tomography (MSOT) was used for 3D quantitative evaluation of tumour hypoxia. Magnetic resonance imaging, histological examination, and immunohistochemical analysis were used as references for comparison and validation. Results In the early stage of NPC (2 weeks after implantation), FMT-CT enabled precise 3D localisation of the hypoxia biomarker with high sensitivity. At the advanced stage (6 weeks after implantation), MSOT allowed multispectral analysis of the biomarker and haemoglobin molecules with high resolution. The combination of high sensitivity and high resolution from FMT-CT and MSOT could not only detect hypoxia in small-sized NPCs but also visualise the heterogeneity of hypoxia in 3D. Conclusions Integration of FMT-CT and MSOT could allow comprehensive and quantifiable evaluation of hypoxia in NPC. These findings may potentially benefit patients with NPC undergoing radiotherapy in the future. Graphical abstractA novel multimodality imaging strategy for three-dimensional evaluation of tumour hypoxia in an orthotopic model of nasopharyngeal carcinoma..
| Medienart: |
Artikel |
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| Erscheinungsjahr: |
2019 |
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| Erschienen: |
2019 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:47 |
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| Enthalten in: |
European journal of nuclear medicine & molecular imaging - 47(2019), 5 vom: 08. Nov., Seite 1027-1038 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Huang, Wenhui [VerfasserIn] |
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| Links: |
Volltext [lizenzpflichtig] |
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| Themen: |
Carbonic anhydrase IX |
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| Anmerkungen: |
© The Author(s) 2019 |
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| doi: |
10.1007/s00259-019-04526-x |
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| funding: |
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| Förderinstitution / Projekttitel: |
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OLC2041179325 |
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| 520 | |a Purpose Accurate evaluation of hypoxia is particularly important in patients with nasopharyngeal carcinoma (NPC) undergoing radiotherapy. The aim of this study was to propose a novel imaging strategy for quantitative three-dimensional (3D) evaluation of hypoxia in a small animal model of NPC. Methods A carbonic anhydrase IX (CAIX)-specific molecular probe (CAIX-800) was developed for imaging of hypoxia. Mouse models of subcutaneous, orthotopic, and spontaneous lymph node metastasis from NPC (5 mice per group) were established to assess the imaging strategy. A multi-modality imaging method that consisted of a hybrid combination of fluorescence molecular tomography-computed tomography (FMT-CT) and multispectral optoacoustic tomography (MSOT) was used for 3D quantitative evaluation of tumour hypoxia. Magnetic resonance imaging, histological examination, and immunohistochemical analysis were used as references for comparison and validation. Results In the early stage of NPC (2 weeks after implantation), FMT-CT enabled precise 3D localisation of the hypoxia biomarker with high sensitivity. At the advanced stage (6 weeks after implantation), MSOT allowed multispectral analysis of the biomarker and haemoglobin molecules with high resolution. The combination of high sensitivity and high resolution from FMT-CT and MSOT could not only detect hypoxia in small-sized NPCs but also visualise the heterogeneity of hypoxia in 3D. Conclusions Integration of FMT-CT and MSOT could allow comprehensive and quantifiable evaluation of hypoxia in NPC. These findings may potentially benefit patients with NPC undergoing radiotherapy in the future. Graphical abstractA novel multimodality imaging strategy for three-dimensional evaluation of tumour hypoxia in an orthotopic model of nasopharyngeal carcinoma. | ||
| 650 | 4 | |a Nasopharyngeal carcinoma | |
| 650 | 4 | |a Tumour hypoxia | |
| 650 | 4 | |a Fluorescence molecular tomography | |
| 650 | 4 | |a Multispectral optoacoustic tomography | |
| 650 | 4 | |a Carbonic anhydrase IX | |
| 700 | 1 | |a Wang, Kun |4 aut | |
| 700 | 1 | |a An, Yu |4 aut | |
| 700 | 1 | |a Meng, Hui |4 aut | |
| 700 | 1 | |a Gao, Yuan |4 aut | |
| 700 | 1 | |a Xiong, Zhiyuan |4 aut | |
| 700 | 1 | |a Yan, Hao |4 aut | |
| 700 | 1 | |a Wang, Qian |4 aut | |
| 700 | 1 | |a Cai, Xuekang |4 aut | |
| 700 | 1 | |a Yang, Xin |4 aut | |
| 700 | 1 | |a Zhang, Bin |4 aut | |
| 700 | 1 | |a Chen, Qiuying |4 aut | |
| 700 | 1 | |a Yang, Xing |4 aut | |
| 700 | 1 | |a Tian, Jie |4 aut | |
| 700 | 1 | |a Zhang, Shuixing |0 (orcid)0000-0001-7377-382X |4 aut | |
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