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Chen W, Chen WM, Chen SX, Jiang L, Shu GG, Yin YX, Quan ZP, Zhou ZY, Shen MJ, Qin YT, Yang CL, Su XJ, Kang M. Establishment of a visualized mouse orthotopic xenograft model of nasopharyngeal carcinoma. Cancer Biol Ther 2024; 25:2382531. [PMID: 39206791 PMCID: PMC11364074 DOI: 10.1080/15384047.2024.2382531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 05/30/2024] [Accepted: 07/16/2024] [Indexed: 09/04/2024] Open
Abstract
Mouse orthotopic xenograft tumor models are commonly employed in studies investigating the mechanisms underlying the development and progression of tumors and their preclinical treatment. However, the unavailability of mature and visualized orthotopic xenograft models of nasopharyngeal carcinoma limits the development of treatment strategies for this cancer. The aim of this study was to provide a simple and reliable method for building an orthotopic xenograft model of nasopharyngeal carcinoma. Human nasopharyngeal carcinoma (C666-1-luc) cells, stably expressing the firefly luciferase gene, were injected subcutaneously into the right axilla of BALB/C nude mice. Four weeks later, the resulting subcutaneous tumors were cut into small blocks and grafted into the nasopharynx of immunodeficient BALB/C nude mice to induce tumor formation. Tumor growth was monitored by bioluminescence imaging and small animal magnetic resonance imaging (MRI). The expression of histological and immunological antigens associated with orthotopic xenograft nasopharyngeal carcinoma was analyzed by tissue section analysis and immunohistochemistry (IHC). A visualized orthotopic xenograft nasopharyngeal carcinoma model was successfully developed in this study. Luminescence signal detection, micro-MRI, and hematoxylin and eosin staining revealed the successful growth of tumors in the nasopharynx of the nude mice. Moreover, IHC analysis detected cytokeratin (CK), CK5/6, P40, and P63 expression in the orthotopic tumors, consistent with the reported expression of these antigens in human nasopharyngeal tumors. This study established a reproducible, visual, and less lethal orthotopic xenograft model of nasopharyngeal carcinoma, providing a platform for preclinical research.
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Affiliation(s)
- Wei Chen
- Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
- Ministry of Education, Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Guangxi Medical University), Nanning, Guangxi, China
| | - Wei-Min Chen
- Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Si-Xia Chen
- Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Li Jiang
- Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
- Ministry of Education, Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Guangxi Medical University), Nanning, Guangxi, China
| | - Ge-Ge Shu
- Ministry of Education, Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Guangxi Medical University), Nanning, Guangxi, China
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Yuan-Xiu Yin
- Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
- Ministry of Education, Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Guangxi Medical University), Nanning, Guangxi, China
| | - Zhi-Peng Quan
- Ministry of Education, Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Guangxi Medical University), Nanning, Guangxi, China
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Zi-Yan Zhou
- Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
- Ministry of Education, Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Guangxi Medical University), Nanning, Guangxi, China
| | - Ming-Jun Shen
- Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Ya-Ting Qin
- Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Chao-Lin Yang
- Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Xue-Jin Su
- Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
- Ministry of Education, Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Guangxi Medical University), Nanning, Guangxi, China
| | - Min Kang
- Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
- Ministry of Education, Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Guangxi Medical University), Nanning, Guangxi, China
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Jang JY, Lee B, Huang M, Seo C, Choi J, Shin YS, Woo HG, Kim C. Immune checkpoint inhibitor monotherapy is sufficient to promote microenvironmental normalization via the type I interferon pathway in PD-L1-expressing head and neck cancer. Mol Oncol 2024; 18:1923-1939. [PMID: 38511232 PMCID: PMC11306519 DOI: 10.1002/1878-0261.13633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 01/12/2024] [Accepted: 03/08/2024] [Indexed: 03/22/2024] Open
Abstract
Immune checkpoint blockers (ICBs) targeting programmed cell death protein 1 (PD-1) have been proven to be an effective first-line therapy against programmed cell death 1 ligand 1 (PD-L1; also known as CD274 molecule)-expressing head and neck squamous cell carcinoma (HNSCC) in recent KEYNOTE-048 trial. However, associated changes in the tumor microenvironment (TME) and underlying mechanisms remain elusive. Oral tumors in C57/BL6 mice were induced by administering 7,12-dimethylbenzanthracene into the buccal mucosa. Single-cell suspension was isolated from tumor tissue; proliferating cells were injected subcutaneously into the left flank of mice to establish Ajou oral cancer (AOC) cell lines. Subsequently, a syngeneic PD-L1-expressing HNSCC model was developed by injecting AOC cells into the buccal or tongue area. The model recapitulated human HNSCC molecular features and showed reliable in vivo tumorigenicity with significant PD-L1 expression. ICB monotherapy induced global changes in the TME, including vascular normalization. Furthermore, the antitumor effect of ICB monotherapy was superior to those of other therapeutic agents, including cisplatin and inhibitors of vascular endothelial growth factor receptor 2 (VEGFR2). The ICB-induced antitumorigenicity and TME normalization were alleviated by blocking the type I interferon pathway. In summary, ICB monotherapy is sufficient to induce TME normalization in the syngeneic model; the type I interferon pathway is indispensable in realizing the effects of ICBs. Furthermore, these results explain the underlying mechanism of the efficacy of ICB monotherapy against PD-L1-expressing HNSCC in the KEYNOTE-048 trial.
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Affiliation(s)
- Jeon Yeob Jang
- Department of OtolaryngologyAjou University School of MedicineSuwonKorea
- Department of Biomedical SciencesAjou University Graduate School of MedicineSuwonKorea
| | - Bok‐Soon Lee
- Department of OtolaryngologyAjou University School of MedicineSuwonKorea
| | - Mei Huang
- Department of OtolaryngologyAjou University School of MedicineSuwonKorea
| | - Chorong Seo
- Department of OtolaryngologyAjou University School of MedicineSuwonKorea
| | - Ji‐Hye Choi
- Department of PhysiologyAjou University School of MedicineSuwonKorea
| | - Yoo Seob Shin
- Department of OtolaryngologyAjou University School of MedicineSuwonKorea
| | - Hyun Goo Woo
- Department of PhysiologyAjou University School of MedicineSuwonKorea
| | - Chul‐Ho Kim
- Department of OtolaryngologyAjou University School of MedicineSuwonKorea
- Deparment of Molecular Science and TechnologyAjou UniversitySuwonKorea
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Lu C, Yang Y, Zhang M, Li J, Song H, Zhao H, Mou Y, Li Y, Song X. Establishment of an in situ model to explore the tumor immune microenvironment in head and neck squamous cell carcinoma. Head Neck 2024; 46:1310-1321. [PMID: 38436502 DOI: 10.1002/hed.27707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 01/16/2024] [Accepted: 02/11/2024] [Indexed: 03/05/2024] Open
Abstract
OBJECTIVE Establish an in situ model for investigating HNSCC, focusing on tumor growth, metastasis, and the immune microenvironment. METHODS Generated a monoclonal SCCVII-ZsGreen cell line through lentiviral transfection. Selected monoclonal lines with growth rates similar to the original SCCVII for in vivo tumorigenesis. Monitored tumor development and metastasis through fluorescence in vivo imaging. Employed immunohistochemistry to assess immune cell distribution in the tumor microenvironment. RESULTS SCCVII-ZsGreen exhibited comparable proliferation and in vivo tumorigenicity to SCCVII. In situ tumor formation on day 10, with cervical metastasis in C57BL/6 mice by day 16. No significant fluorescence signals in organs like liver and lungs, while SCCVII-ZsGreen presence confirmed in cervical lymph node metastases. Immunohistochemistry revealed CD4+ T, CD8+ T, B, and dendritic cells distribution, with minimal macrophages. CONCLUSION Our model is a valuable tool for studying HNSCC occurrence, metastasis, and immune microenvironment. It allows dynamic observation of tumor development, aids preclinical drug experiments, and facilitates exploration of the tumor immune contexture.
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Affiliation(s)
- Congxian Lu
- Department of Otorhinolaryngology, Head and Neck Surgery, Yantai Yuhuangding Hospital, Qingdao University, Qingdao, Shandong, China
- Shandong Provincial Clinical Research Center for Otorhinolaryngologic Diseases, Yantai, Shandong, China
- Yantai Key Laboratory of Otorhinolaryngologic Diseases, Yantai, Shandong, China
| | - Yuteng Yang
- Shandong Provincial Clinical Research Center for Otorhinolaryngologic Diseases, Yantai, Shandong, China
- Yantai Key Laboratory of Otorhinolaryngologic Diseases, Yantai, Shandong, China
- The 2nd Medical College of Binzhou Medical University, Yantai, Shandong, China
| | - Mingjun Zhang
- Department of Otorhinolaryngology, Head and Neck Surgery, Yantai Yuhuangding Hospital, Qingdao University, Qingdao, Shandong, China
- Shandong Provincial Clinical Research Center for Otorhinolaryngologic Diseases, Yantai, Shandong, China
- Yantai Key Laboratory of Otorhinolaryngologic Diseases, Yantai, Shandong, China
| | - Jiaxuan Li
- Department of Otorhinolaryngology, Head and Neck Surgery, Yantai Yuhuangding Hospital, Qingdao University, Qingdao, Shandong, China
- Shandong Provincial Clinical Research Center for Otorhinolaryngologic Diseases, Yantai, Shandong, China
- Yantai Key Laboratory of Otorhinolaryngologic Diseases, Yantai, Shandong, China
| | - Hao Song
- Shandong Provincial Clinical Research Center for Otorhinolaryngologic Diseases, Yantai, Shandong, China
- Yantai Key Laboratory of Otorhinolaryngologic Diseases, Yantai, Shandong, China
- The 2nd Medical College of Binzhou Medical University, Yantai, Shandong, China
| | - Hongfei Zhao
- Department of Otorhinolaryngology, Head and Neck Surgery, Yantai Yuhuangding Hospital, Qingdao University, Qingdao, Shandong, China
- Shandong Provincial Clinical Research Center for Otorhinolaryngologic Diseases, Yantai, Shandong, China
- Yantai Key Laboratory of Otorhinolaryngologic Diseases, Yantai, Shandong, China
| | - Yakui Mou
- Department of Otorhinolaryngology, Head and Neck Surgery, Yantai Yuhuangding Hospital, Qingdao University, Qingdao, Shandong, China
- Shandong Provincial Clinical Research Center for Otorhinolaryngologic Diseases, Yantai, Shandong, China
- Yantai Key Laboratory of Otorhinolaryngologic Diseases, Yantai, Shandong, China
| | - Yumei Li
- Department of Otorhinolaryngology, Head and Neck Surgery, Yantai Yuhuangding Hospital, Qingdao University, Qingdao, Shandong, China
- Shandong Provincial Clinical Research Center for Otorhinolaryngologic Diseases, Yantai, Shandong, China
- Yantai Key Laboratory of Otorhinolaryngologic Diseases, Yantai, Shandong, China
| | - Xicheng Song
- Department of Otorhinolaryngology, Head and Neck Surgery, Yantai Yuhuangding Hospital, Qingdao University, Qingdao, Shandong, China
- Shandong Provincial Clinical Research Center for Otorhinolaryngologic Diseases, Yantai, Shandong, China
- Yantai Key Laboratory of Otorhinolaryngologic Diseases, Yantai, Shandong, China
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Li Q, Tie Y, Alu A, Ma X, Shi H. Targeted therapy for head and neck cancer: signaling pathways and clinical studies. Signal Transduct Target Ther 2023; 8:31. [PMID: 36646686 PMCID: PMC9842704 DOI: 10.1038/s41392-022-01297-0] [Citation(s) in RCA: 28] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/27/2022] [Accepted: 12/13/2022] [Indexed: 01/17/2023] Open
Abstract
Head and neck cancer (HNC) is malignant, genetically complex and difficult to treat and is the sixth most frequent cancer, with tobacco, alcohol and human papillomavirus being major risk factors. Based on epigenetic data, HNC is remarkably heterogeneous, and treatment remains challenging. There is a lack of significant improvement in survival and quality of life in patients with HNC. Over half of HNC patients experience locoregional recurrence or distal metastasis despite the current multiple traditional therapeutic strategies and immunotherapy. In addition, resistance to chemotherapy, radiotherapy and some targeted therapies is common. Therefore, it is urgent to explore more effective and tolerable targeted therapies to improve the clinical outcomes of HNC patients. Recent targeted therapy studies have focused on identifying promising biomarkers and developing more effective targeted therapies. A well understanding of the pathogenesis of HNC contributes to learning more about its inner association, which provides novel insight into the development of small molecule inhibitors. In this review, we summarized the vital signaling pathways and discussed the current potential therapeutic targets against critical molecules in HNC, as well as presenting preclinical animal models and ongoing or completed clinical studies about targeted therapy, which may contribute to a more favorable prognosis of HNC. Targeted therapy in combination with other therapies and its limitations were also discussed.
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Affiliation(s)
- Qingfang Li
- grid.13291.380000 0001 0807 1581Department of Biotherapy, Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Yan Tie
- grid.13291.380000 0001 0807 1581Department of Biotherapy, Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Aqu Alu
- grid.13291.380000 0001 0807 1581Department of Biotherapy, Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Xuelei Ma
- Department of Biotherapy, Cancer Center, West China Hospital, Sichuan University, Chengdu, China.
| | - Huashan Shi
- Department of Biotherapy, Cancer Center, West China Hospital, Sichuan University, Chengdu, China.
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Affolter A, Kern J, Bieback K, Scherl C, Rotter N, Lammert A. Biomarkers and 3D models predicting response to immune checkpoint blockade in head and neck cancer (Review). Int J Oncol 2022; 61:88. [PMID: 35642667 PMCID: PMC9183766 DOI: 10.3892/ijo.2022.5378] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 04/12/2022] [Indexed: 12/03/2022] Open
Abstract
Immunotherapy has evolved into a powerful tool in the fight against a number of types of cancer, including head and neck squamous cell carcinomas (HNSCC). Although checkpoint inhibition (CPI) has definitely enriched the treatment options for advanced stage HNSCC during the past decade, the percentage of patients responding to treatment is widely varying between 14-32% in second-line setting in recurrent or metastatic HNSCC with a sporadic durability. Clinical response and, consecutively, treatment success remain unpredictable in most of the cases. One potential factor is the expression of target molecules of the tumor allowing cancer cells to acquire therapy resistance mechanisms. Accordingly, analyzing and modeling the complexity of the tumor microenvironment (TME) is key to i) stratify subgroups of patients most likely to respond to CPI and ii) to define new combinatorial treatment regimens. Particularly in a heterogeneous disease such as HNSCC, thoroughly studying the interactions and crosstalking between tumor and TME cells is one of the biggest challenges. Sophisticated 3D models are therefore urgently needed to be able to validate such basic science hypotheses and to test novel immuno-oncologic treatment regimens in consideration of the individual biology of each tumor. The present review will first summarize recent findings on immunotherapy, predictive biomarkers, the role of the TME and signaling cascades eliciting during CPI. Second, it will highlight the significance of current promising approaches to establish HNSCC 3D models for new immunotherapies. The results are encouraging and indicate that data obtained from patient-specific tumors in a dish might be finally translated into personalized immuno-oncology.
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Affiliation(s)
- Annette Affolter
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Mannheim, Medical Faculty Mannheim of Heidelberg University, D‑68167 Mannheim, Germany
| | - Johann Kern
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Mannheim, Medical Faculty Mannheim of Heidelberg University, D‑68167 Mannheim, Germany
| | - Karen Bieback
- Institute of Transfusion Medicine and Immunology, Medical Faculty Mannheim, Heidelberg University, German Red Cross Blood Donor Service Baden‑Württemberg‑Hessen, D‑68167 Mannheim, Germany
| | - Claudia Scherl
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Mannheim, Medical Faculty Mannheim of Heidelberg University, D‑68167 Mannheim, Germany
| | - Nicole Rotter
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Mannheim, Medical Faculty Mannheim of Heidelberg University, D‑68167 Mannheim, Germany
| | - Anne Lammert
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Mannheim, Medical Faculty Mannheim of Heidelberg University, D‑68167 Mannheim, Germany
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Characterization and Differentiation of the Tumor Microenvironment (TME) of Orthotopic and Subcutaneously Grown Head and Neck Squamous Cell Carcinoma (HNSCC) in Immunocompetent Mice. Int J Mol Sci 2020; 22:ijms22010247. [PMID: 33383676 PMCID: PMC7796118 DOI: 10.3390/ijms22010247] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 12/20/2020] [Accepted: 12/24/2020] [Indexed: 12/12/2022] Open
Abstract
For the development and evaluation of new head and neck squamous cell carcinoma (HNSCC) therapeutics, suitable, well-characterized animal models are needed. Thus, by analyzing orthotopic versus subcutaneous models of HNSCC in immunocompetent mice, we evaluated the existence of adenosine-related immunosuppressive B- and T lymphocyte populations within the tumor microenvironment (TME). Applying the SCC VII model for the induction of HNSCC in immunocompetent C3H/HeN mice, the cellular TME was characterized after tumor initiation over time by flow cytometry. The TME in orthotopic grown tumors revealed a larger population of tumor-infiltrating lymphocytes (TIL) with more B cells and CD4+ T cells than the subcutaneously grown tumors. Immune cell populations in the blood and bone marrow showed a rather distinct reaction toward tumor induction and tumor location compared to the spleen, lymph nodes, or thymus. In addition, large numbers of immunosuppressive B- and T cells were identified within the TME but also in secondary lymphoid organs, independently of the tumor initiation site. The altered immunogenic TME may influence the response to any treatment attempt. Moreover, when analyzing the TME and other lymphoid organs of tumor-bearing mice, we observed conditions reflecting largely those of patients suffering from HNSCC suggesting the C3H/HeN mouse model as a suitable tool for studies aiming to target immunosuppression to improve anti-cancer therapies.
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Takano G, Esaki S, Goshima F, Enomoto A, Hatano Y, Ozaki H, Watanabe T, Sato Y, Kawakita D, Murakami S, Murata T, Nishiyama Y, Iwasaki S, Kimura H. Oncolytic activity of naturally attenuated herpes-simplex virus HF10 against an immunocompetent model of oral carcinoma. MOLECULAR THERAPY-ONCOLYTICS 2020; 20:220-227. [PMID: 33665360 PMCID: PMC7889449 DOI: 10.1016/j.omto.2020.12.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 12/10/2020] [Indexed: 02/08/2023]
Abstract
Prognosis for advanced oral carcinoma remains poor. Oncolytic virotherapy uses replication-competent viruses to infect and kill only the tumor cells. However, it has been difficult to investigate the oncolytic activity of viruses against oral carcinomas in mouse models. This study established a mouse model of oral cancer and investigated the in vitro and in vivo anti-tumor effects of HF10, a highly attenuated, replication-competent herpes simplex virus (HSV)-1. Mouse tongue cancer was induced by injecting 4-nitroquinoline 1-oxide into the mouse tongue. The murine oral cancer cell line isolated from this tumor, named NMOC1, formed invasive carcinoma within a week when injected into mouse tongue. HF10 successfully infected, replicated, and spread in the cancer cells in vitro. HF10 was able to kill cancer cells isolated from human or mouse tongue tumor. HF10 injection into tongue carcinomas prolonged mouse survival without any side effects or weight loss. Intertumoral injection of GFP-expressing HF10 confirmed that viral spread was confined within the tumors. Immunohistochemical staining showed that HF10 induced infiltration of CD8-positive T cells around HSV-infected cells in the tumor mass, implying increased anti-tumor immunity. We successfully established an oral cancer cell line and showed that HF10 is a promising therapeutic agent for oral cancer.
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Affiliation(s)
- Gaku Takano
- Department of Otolaryngology, Head and Neck Surgery, Nagoya City University Graduate School of Medical Sciences and Medical School, Nagoya, Japan.,Department of Virology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Shinichi Esaki
- Department of Otolaryngology, Head and Neck Surgery, Nagoya City University Graduate School of Medical Sciences and Medical School, Nagoya, Japan.,Department of Virology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Fumi Goshima
- Department of Virology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Atsushi Enomoto
- Department of Pathology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yoshimi Hatano
- Department of Otolaryngology, Head and Neck Surgery, Nagoya City University Graduate School of Medical Sciences and Medical School, Nagoya, Japan
| | - Haruka Ozaki
- Department of Virology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Takahiro Watanabe
- Department of Virology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yoshitaka Sato
- Department of Virology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Daisuke Kawakita
- Department of Otolaryngology, Head and Neck Surgery, Nagoya City University Graduate School of Medical Sciences and Medical School, Nagoya, Japan
| | - Shingo Murakami
- Department of Otolaryngology, Head and Neck Surgery, Nagoya City University Graduate School of Medical Sciences and Medical School, Nagoya, Japan
| | - Takayuki Murata
- Department of Virology and Parasitology, Fujita Health University School of Medicine, Aichi, Japan
| | - Yukihiro Nishiyama
- Department of Virology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Shinichi Iwasaki
- Department of Otolaryngology, Head and Neck Surgery, Nagoya City University Graduate School of Medical Sciences and Medical School, Nagoya, Japan
| | - Hiroshi Kimura
- Department of Virology, Nagoya University Graduate School of Medicine, Nagoya, Japan
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Guscetti F, Nassiri S, Beebe E, Rito Brandao I, Graf R, Markkanen E. Molecular homology between canine spontaneous oral squamous cell carcinomas and human head-and-neck squamous cell carcinomas reveals disease drivers and therapeutic vulnerabilities. Neoplasia 2020; 22:778-788. [PMID: 33142242 PMCID: PMC7642746 DOI: 10.1016/j.neo.2020.10.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 10/02/2020] [Accepted: 10/04/2020] [Indexed: 12/11/2022]
Abstract
Spontaneously occurring canine oral squamous cell carcinomas (COSCC) are viewed as a useful model for human head and neck squamous cell carcinomas (HNSCC). To date however, the molecular basis of COSCC remains poorly understood. To identify changes pertinent to cancer cells in COSCC, we specifically analyzed tumor cells and matched normal epithelium from clinical formalin-fixed paraffin-embedded specimens using laser-capture-microdissection coupled with RNA-sequencing (RNAseq). Our results identify strong contributions of epithelial-to-mesenchymal transition (EMT), classical tumor-promoting (such as E2F, KRAS, MYC, mTORC1, and TGFB1 signaling) and immune-related pathways in the tumor epithelium of COSCC. Comparative analyses of COSCC with 43 paired tumor/normal HNSCC from The Cancer Genome Atlas revealed a high homology in transcriptional reprogramming, and identified processes associated with cell cycle progression, immune processes, and loss of cellular differentiation as likely central drivers of the disease. Similar to HNSCC, our analyses suggested a ZEB2-driven partial EMT in COSCC and identified selective upregulation of KRT14 and KRT17 in COSCC. Beyond homology in transcriptional signatures, we also found therapeutic vulnerabilities strongly conserved between the species: these included increased expression of PD-L1 and CTLA-4, coinciding with EMT and revealing the potential for immune checkpoint therapies, and overexpression of CDK4/6 that sensitized COSCC to treatment with palbociclib. In summary, our data significantly extend the current knowledge of molecular aberrations in COSCC and underline the potential of spontaneous COSCC as a model for HNSCC to interrogate therapeutic vulnerabilities and support translation of novel therapies from bench to bedside.
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Affiliation(s)
- Franco Guscetti
- Institute of Veterinary Pathology, Vetsuisse Faculty, University of Zürich, Zürich, Switzerland
| | - Sina Nassiri
- Bioinformatics Core Facility, SIB Swiss Institute of Bioinformatics, Lausanne, Switzerland
| | - Erin Beebe
- Institute of Veterinary Pharmacology and Toxicology, Vetsuisse Faculty, University of Zürich, Zürich, Switzerland
| | - Inês Rito Brandao
- Institute of Veterinary Pathology, Vetsuisse Faculty, University of Zürich, Zürich, Switzerland
| | - Ramona Graf
- Institute of Veterinary Pathology, Vetsuisse Faculty, University of Zürich, Zürich, Switzerland
| | - Enni Markkanen
- Institute of Veterinary Pharmacology and Toxicology, Vetsuisse Faculty, University of Zürich, Zürich, Switzerland.
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The 4-NQO mouse model: An update on a well-established in vivo model of oral carcinogenesis. Methods Cell Biol 2020; 163:197-229. [PMID: 33785166 DOI: 10.1016/bs.mcb.2020.09.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The early detection and management of oral premalignant lesions (OPMDs) improve their outcomes. Animal models that mimic histological and biological processes of human oral carcinogenesis may help to improve the identification of OPMD at-risk of progression into oral squamous cell carcinoma and to develop preventive strategies for the entire field of cancerization. No animal model is perfectly applicable for investigating human oral carcinogenesis. However, the 4-nitroquinoline 1-oxide (4-NQO) mouse model is well established and mimics several morphological, histological, genomic and molecular features of human oral carcinogenesis. Some of the reasons for the success of this model include its reproducible experimental conditions with limited variation, the possibility of realizing longitudinal studies with invasive intervention or gene manipulation, and sample availability for all stages of oral carcinogenesis, especially premalignant lesions. Moreover, the role of histological and molecular alterations in the field of cancerization (i.e., macroscopically healthy mucosa exposed to a carcinogen) during oral carcinogenesis can be easily explored using this model. In this review, we discuss the advantages and drawbacks of this model for studying human oral carcinogenesis. In summary, the 4-NQO-induced murine oral cancer model is relevant for investigating human oral carcinogenesis, including the immune microenvironment, and for evaluating therapeutic and chemoprevention agents.
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Sequeira I, Rashid M, Tomás IM, Williams MJ, Graham TA, Adams DJ, Vigilante A, Watt FM. Genomic landscape and clonal architecture of mouse oral squamous cell carcinomas dictate tumour ecology. Nat Commun 2020; 11:5671. [PMID: 33168804 PMCID: PMC7652942 DOI: 10.1038/s41467-020-19401-9] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2019] [Accepted: 10/06/2020] [Indexed: 01/10/2023] Open
Abstract
To establish whether 4-nitroquinoline N-oxide-induced carcinogenesis mirrors the heterogeneity of human oral squamous cell carcinoma (OSCC), we have performed genomic analysis of mouse tongue lesions. The mutational signatures of human and mouse OSCC overlap extensively. Mutational burden is higher in moderate dysplasias and invasive SCCs than in hyperplasias and mild dysplasias, although mutations in p53, Notch1 and Fat1 occur in early lesions. Laminin-α3 mutations are associated with tumour invasiveness and Notch1 mutant tumours have an increased immune infiltrate. Computational modelling of clonal dynamics indicates that high genetic heterogeneity may be a feature of those mild dysplasias that are likely to progress to more aggressive tumours. These studies provide a foundation for exploring OSCC evolution, heterogeneity and progression.
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Affiliation(s)
- Inês Sequeira
- Centre for Stem Cells & Regenerative Medicine, King's College London, Guy's Hospital, Great Maze Pond, London, SE1 9RT, UK
- Institute of Dentistry, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, 4 Newark Street, London, E1 2AT, UK
| | - Mamunur Rashid
- Experimental Cancer Genetics, The Wellcome Trust Sanger Institute, Hinxton, Cambridgeshire, CB10 1SA, UK
| | - Inês M Tomás
- Centre for Stem Cells & Regenerative Medicine, King's College London, Guy's Hospital, Great Maze Pond, London, SE1 9RT, UK
| | - Marc J Williams
- Centre for Cancer Genomics and Computational Biology, Barts Cancer Institute, Queen Mary University of London, London, EC1M 6BQ, UK
| | - Trevor A Graham
- Centre for Cancer Genomics and Computational Biology, Barts Cancer Institute, Queen Mary University of London, London, EC1M 6BQ, UK
| | - David J Adams
- Experimental Cancer Genetics, The Wellcome Trust Sanger Institute, Hinxton, Cambridgeshire, CB10 1SA, UK
| | - Alessandra Vigilante
- Centre for Stem Cells & Regenerative Medicine, King's College London, Guy's Hospital, Great Maze Pond, London, SE1 9RT, UK
| | - Fiona M Watt
- Centre for Stem Cells & Regenerative Medicine, King's College London, Guy's Hospital, Great Maze Pond, London, SE1 9RT, UK.
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11
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Fanfone D, Stanicki D, Nonclercq D, Port M, Vander Elst L, Laurent S, Muller RN, Saussez S, Burtea C. Molecular Imaging of Galectin-1 Expression as a Biomarker of Papillary Thyroid Cancer by Using Peptide-Functionalized Imaging Probes. BIOLOGY 2020; 9:biology9030053. [PMID: 32183292 PMCID: PMC7150867 DOI: 10.3390/biology9030053] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 03/03/2020] [Accepted: 03/09/2020] [Indexed: 01/11/2023]
Abstract
Thyroid cancers are the most frequent endocrine cancers and their incidence is increasing worldwide. Thyroid nodules occur in over 19–68% of the population, but only 7–15% of them are diagnosed as malignant. Diagnosis relies on a fine needle aspiration biopsy, which is often inconclusive and about 90% of thyroidectomies are performed for benign lesions. Galectin-1 has been proposed as a confident biomarker for the discrimination of malignant from benign nodules. We previously identified by phage display two peptides (P1 and P7) targeting galectin-1, with the goal of developing imaging probes for non-invasive diagnosis of thyroid cancer. The peptides were coupled to ultra-small superparamagnetic particles of iron oxide (USPIO) or to a near-infrared dye (CF770) for non-invasive detection of galectin-1 expression in a mouse model of papillary thyroid cancer (PTC, as the most frequent one) by magnetic resonance imaging and fluorescence lifetime imaging. The imaging probes functionalized with the two peptides presented comparable image enhancement characteristics. However, those coupled to P7 were more favorable, and showed decreased retention by the liver and spleen (known for their galectin-1 expression) and high sensitivity (75%) and specificity (100%) of PTC detection, which confirm the aptitude of this peptide to discriminate human malignant from benign nodules (80% sensitivity, 100% specificity) previously observed by immunohistochemistry.
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Affiliation(s)
- Deborah Fanfone
- Department of General, Organic and Biomedical Chemistry, UMONS, Avenue Victor Maistriau 19, 7000 Mons, Belgium; (D.F.); (L.V.E.); (S.L.); (R.N.M.)
| | - Dimitri Stanicki
- Center for Microscopy and Molecular Imaging, Rue Adrienne Bolland, 8, 6041 Charleroi, Belgium;
| | - Denis Nonclercq
- Laboratory of Histology, Faculty of Medicine and Pharmacy, University of Mons–UMONS, Avenue du Champ de Mars 6, 7000 Mons, Belgium;
| | - Marc Port
- Laboratoire de Génomique, Bioinformatique et Chimie Moléculaire (EA 7528), Equipe Chimie Moléculaire, Conservatoire National des Arts et Métiers (CNAM), HESAM Université, 75003 Paris, France;
| | - Luce Vander Elst
- Department of General, Organic and Biomedical Chemistry, UMONS, Avenue Victor Maistriau 19, 7000 Mons, Belgium; (D.F.); (L.V.E.); (S.L.); (R.N.M.)
| | - Sophie Laurent
- Department of General, Organic and Biomedical Chemistry, UMONS, Avenue Victor Maistriau 19, 7000 Mons, Belgium; (D.F.); (L.V.E.); (S.L.); (R.N.M.)
- Center for Microscopy and Molecular Imaging, Rue Adrienne Bolland, 8, 6041 Charleroi, Belgium;
| | - Robert N. Muller
- Department of General, Organic and Biomedical Chemistry, UMONS, Avenue Victor Maistriau 19, 7000 Mons, Belgium; (D.F.); (L.V.E.); (S.L.); (R.N.M.)
- Center for Microscopy and Molecular Imaging, Rue Adrienne Bolland, 8, 6041 Charleroi, Belgium;
| | - Sven Saussez
- Laboratory of Human Anatomy and Experimental Oncology, UMONS, Avenue du Champ de Mars, 6, 7000 Mons, Belgium;
| | - Carmen Burtea
- Department of General, Organic and Biomedical Chemistry, UMONS, Avenue Victor Maistriau 19, 7000 Mons, Belgium; (D.F.); (L.V.E.); (S.L.); (R.N.M.)
- Correspondence: ; Tel.: +32-6537-3814
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12
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Fiordelisi MF, Cavaliere C, Auletta L, Basso L, Salvatore M. Magnetic Resonance Imaging for Translational Research in Oncology. J Clin Med 2019; 8:jcm8111883. [PMID: 31698697 PMCID: PMC6912299 DOI: 10.3390/jcm8111883] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 10/28/2019] [Accepted: 10/29/2019] [Indexed: 12/19/2022] Open
Abstract
The translation of results from the preclinical to the clinical setting is often anything other than straightforward. Indeed, ideas and even very intriguing results obtained at all levels of preclinical research, i.e., in vitro, on animal models, or even in clinical trials, often require much effort to validate, and sometimes, even useful data are lost or are demonstrated to be inapplicable in the clinic. In vivo, small-animal, preclinical imaging uses almost the same technologies in terms of hardware and software settings as for human patients, and hence, might result in a more rapid translation. In this perspective, magnetic resonance imaging might be the most translatable technique, since only in rare cases does it require the use of contrast agents, and when not, sequences developed in the lab can be readily applied to patients, thanks to their non-invasiveness. The wide range of sequences can give much useful information on the anatomy and pathophysiology of oncologic lesions in different body districts. This review aims to underline the versatility of this imaging technique and its various approaches, reporting the latest preclinical studies on thyroid, breast, and prostate cancers, both on small laboratory animals and on human patients, according to our previous and ongoing research lines.
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13
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Wang Y, Zhang W, Sun P, Cai Y, Xu W, Fan Q, Hu Q, Han W. A Novel Multimodal NIR-II Nanoprobe for the Detection of Metastatic Lymph Nodes and Targeting Chemo-Photothermal Therapy in Oral Squamous Cell Carcinoma. Theranostics 2019; 9:391-404. [PMID: 30809282 PMCID: PMC6376191 DOI: 10.7150/thno.30268] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2018] [Accepted: 12/09/2018] [Indexed: 12/13/2022] Open
Abstract
Current surgical treatment for oral squamous cell carcinoma (OSCC) must be as precise as possible to fully resect tumors and preserve functional tissues. Thus, it is urgent to develop efficient fluorescent probes to clearly identify tumor delineation, as well as metastatic lymph nodes. Chemo-photothermal therapy combination attracted a growing attention to increase anti-tumor effect in various types of cancer, including OSCC. In the present study, we designed a multimodal NIR-II probe that involves combining photothermal therapy with chemotherapy, imaging OSCC tumors and detecting metastatic lymph nodes. Methods: In this study, we synthesized a novel near infrared (NIR)-II probe named TQTPA [4,4'-((6,7-bis(4-(hexyloxy)phenyl)-[1,2,5]thiadiazolo [3,4-g]quinoxaline-4,9-diyl)bis(thiophene-5,2-diyl))bis(N,N-diphenylaniline)] via the Suzuki reaction and prepared multimodal nanoparticles (NPs) loading TQTPA and cis-dichlorodiammine platinum (CDDP) (HT@CDDP) by hyaluronic acid. The characteristics of the NPs, including their photothermal and imaging capabilities were investigated in vitro and in vivo. Their anti-tumor efficacy was evaluated using orthotopic, tongue tumor-bearing, nude mice. Results: The NPs possessed good stability and water solubility and were pH/hyaluronidase sensitive. The good tissue penetration quality and active targeting ability enabled the NPs to draw the outline of orthotopic tongue tumors and metastatic lymph nodes as small as 1 mm in nude mice by IR-808 under NIR exposure. In vitro and in vivo experiments validated the biocompatibility and low systematic toxicity of the NPs. At the same time, the NPs acted as multimodal therapy agents, combining photothermal therapy with chemotherapy. Conclusion: With a good imaging capability and anti-tumor efficacy, our NPs successfully outlined orthotopic tongue tumors and metastatic lymph nodes as well as enabled chemo-photothermal therapy combination. Our study established a solid foundation for the application of new clinical diagnosis and treatment patterns in the future.
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Affiliation(s)
- Yufeng Wang
- Department of Oral and Maxillofacial Surgery, Nanjing Stomatological Hospital, Medical School of Nanjing University, No 30 Zhongyang Road, Nanjing 210008, China
- Central Laboratory of Stomatology, Nanjing Stomatological Hospital, Medical School of Nanjing University, No 22 Hankou Road, Nanjing 210093, China
| | - Wansu Zhang
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications, No 9 Wenyuan Road, Nanjing 210023, China
| | - Pengfei Sun
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications, No 9 Wenyuan Road, Nanjing 210023, China
| | - Yu Cai
- Central Laboratory of Stomatology, Nanjing Stomatological Hospital, Medical School of Nanjing University, No 22 Hankou Road, Nanjing 210093, China
| | - Wenguang Xu
- Department of Oral and Maxillofacial Surgery, Nanjing Stomatological Hospital, Medical School of Nanjing University, No 30 Zhongyang Road, Nanjing 210008, China
- Central Laboratory of Stomatology, Nanjing Stomatological Hospital, Medical School of Nanjing University, No 22 Hankou Road, Nanjing 210093, China
| | - Quli Fan
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications, No 9 Wenyuan Road, Nanjing 210023, China
| | - Qingang Hu
- Department of Oral and Maxillofacial Surgery, Nanjing Stomatological Hospital, Medical School of Nanjing University, No 30 Zhongyang Road, Nanjing 210008, China
- Central Laboratory of Stomatology, Nanjing Stomatological Hospital, Medical School of Nanjing University, No 22 Hankou Road, Nanjing 210093, China
| | - Wei Han
- Department of Oral and Maxillofacial Surgery, Nanjing Stomatological Hospital, Medical School of Nanjing University, No 30 Zhongyang Road, Nanjing 210008, China
- Central Laboratory of Stomatology, Nanjing Stomatological Hospital, Medical School of Nanjing University, No 22 Hankou Road, Nanjing 210093, China
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14
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Chung MK, Jung YH, Lee JK, Cho SY, Murillo-Sauca O, Uppaluri R, Shin JH, Sunwoo JB. CD271 Confers an Invasive and Metastatic Phenotype of Head and Neck Squamous Cell Carcinoma through the Upregulation of Slug. Clin Cancer Res 2017; 24:674-683. [PMID: 29208672 DOI: 10.1158/1078-0432.ccr-17-0866] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Revised: 09/25/2017] [Accepted: 11/01/2017] [Indexed: 12/31/2022]
Abstract
Purpose: Head and neck squamous cell carcinoma (HNSCC) is comprised of heterogeneous populations of cells, and CD271 (NGFR; p75NTR) has been associated with a tumor-initiating cell subpopulation. This study assessed the role of CD271 in modulating metastatic behavior in HNSCC.Experimental Design: CD271 was overexpressed in murine and human oral squamous cell carcinoma cells to assess the impact of CD271 activation on the invasive and metastatic phenotype of these cells, using in vitro and orthotopic in vivo modeling. Treatment with human nerve growth factor (NGF) to activate CD271, as well as shRNA knockdown of the CD271-upregulated Snai2 expression, was used to assess the mechanism of the CD271-induced invasive phenotype. Relevance of CD271 expression in human HNSCC was evaluated in patient-derived xenografts (PDX) and primary human oral cancers, annotated with clinical behavior characteristics and survival data.Results: Forced expression of CD271 resulted in a more invasive and metastatic phenotype. Slug, an epithelial-to-mesenchymal transition (EMT)-related transcription factor, encoded by Snai2, was highly expressed in MOC2-CD271 and HSC3-CD271, compared with respective parental cells. CD271 activation by NGF conferred enhanced invasiveness in CD271-overexpressing cells, which was abrogated by Snai2 knockdown. In PDXs and primary human HNSCC, CD271 expression correlated with higher Snai2 expression, greater nodal metastasis, and shorter disease-free survival.Conclusions: Activation of CD271 results in upregulation of Snai2/Slug, which, in turn, results in a more invasive phenotype and an enhanced capacity for metastasis to regional lymph nodes. These findings point to CD271 as a promising, therapeutic target for oral cancer metastasis. Clin Cancer Res; 24(3); 674-83. ©2017 AACR.
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Affiliation(s)
- Man Ki Chung
- Division of Head and Neck Surgery, Department of Otolaryngology, Stanford Cancer Institute, Stanford Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, California. .,Department of Otorhinolaryngology-Head and Neck Surgery, Sungkyunkwan University School of Medicine, Samsung Medical Center, Seoul, Korea
| | - Young Ho Jung
- Division of Head and Neck Surgery, Department of Otolaryngology, Stanford Cancer Institute, Stanford Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, California.,Department of Otolaryngology-Head and Neck Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seoul, Korea
| | - Joon Kyoo Lee
- Division of Head and Neck Surgery, Department of Otolaryngology, Stanford Cancer Institute, Stanford Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, California.,Department of Otolaryngology-Head and Neck Surgery, Chonnam National University Medical School and Hwasun Hospital, Gwangju, Korea
| | - Soo Youn Cho
- Department of Pathology and Translational Genomics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Oihana Murillo-Sauca
- Division of Head and Neck Surgery, Department of Otolaryngology, Stanford Cancer Institute, Stanford Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, California
| | - Ravindra Uppaluri
- Dana-Farber Cancer Institute and Brigham and Women's Hospital, Boston, Massachusetts
| | - June Ho Shin
- Division of Head and Neck Surgery, Department of Otolaryngology, Stanford Cancer Institute, Stanford Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, California
| | - John B Sunwoo
- Division of Head and Neck Surgery, Department of Otolaryngology, Stanford Cancer Institute, Stanford Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, California.
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15
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Gengenbacher N, Singhal M, Augustin HG. Preclinical mouse solid tumour models: status quo, challenges and perspectives. Nat Rev Cancer 2017; 17:751-765. [PMID: 29077691 DOI: 10.1038/nrc.2017.92] [Citation(s) in RCA: 198] [Impact Index Per Article: 28.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Oncology research in humans is limited to analytical and observational studies for obvious ethical reasons, with therapy-focused clinical trials being the one exception to this rule. Preclinical mouse tumour models therefore serve as an indispensable intermediate experimental model system bridging more reductionist in vitro research with human studies. Based on a systematic survey of preclinical mouse tumour studies published in eight scientific journals in 2016, this Analysis provides an overview of how contemporary preclinical mouse tumour biology research is pursued. It thereby identifies some of the most important challenges in this field and discusses potential ways in which preclinical mouse tumour models could be improved for better relevance, reproducibility and translatability.
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Affiliation(s)
- Nicolas Gengenbacher
- Division of Vascular Oncology and Metastasis, German Cancer Research Center (DKFZ-ZMBH Alliance), 69120 Heidelberg, Germany
| | - Mahak Singhal
- Division of Vascular Oncology and Metastasis, German Cancer Research Center (DKFZ-ZMBH Alliance), 69120 Heidelberg, Germany
- Department of Vascular Biology and Tumor Angiogenesis (CBTM), Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
| | - Hellmut G Augustin
- Division of Vascular Oncology and Metastasis, German Cancer Research Center (DKFZ-ZMBH Alliance), 69120 Heidelberg, Germany
- Department of Vascular Biology and Tumor Angiogenesis (CBTM), Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
- German Cancer Consortium, 69120 Heidelberg, Germany
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16
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El-Bayoumy K, Chen KM, Zhang SM, Sun YW, Amin S, Stoner G, Guttenplan JB. Carcinogenesis of the Oral Cavity: Environmental Causes and Potential Prevention by Black Raspberry. Chem Res Toxicol 2016; 30:126-144. [DOI: 10.1021/acs.chemrestox.6b00306] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
| | | | - Shang-Min Zhang
- Department
of Pathology, Yale University, Yale School of Medicine, New Haven, Connecticut 06510, United States
| | | | | | - Gary Stoner
- Department
of Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, United States
| | - Joseph B. Guttenplan
- Department
of Basic Science, and Department of Environmental Medicine, New York University College of Dentistry and New York University School of Medicine, New York, New York 10010, United States
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17
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Greco A, Albanese S, Auletta L, Mirabelli P, Zannetti A, D'Alterio C, Di Maro G, Orlandella FM, Salvatore G, Soricelli A, Salvatore M. High-Frequency Ultrasound-Guided Injection for the Generation of a Novel Orthotopic Mouse Model of Human Thyroid Carcinoma. Thyroid 2016; 26:552-8. [PMID: 26844598 DOI: 10.1089/thy.2015.0511] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND Thyroid carcinoma is the most common endocrine malignancy and has an increasing incidence. High-frequency ultrasound (HFUS) has a spatial resolution of 30 μm, which is a property that has been exploited for thyroid visualization and analysis in mice. The aim of this study was to generate a novel orthotopic mouse model of human follicular thyroid carcinoma (FTC) using an HFUS-guided injection system. METHODS Twenty Balb/C nude mice were injected in the right lobe of the thyroid with 2 × 10(6) FTC-133 cells using the microinjection HFUS-guided system, and 20 mice, used as a control, underwent surgical orthotopic implantation of 2 × 10(6) FTC-133 cells in the right lobe of the thyroid. All mice underwent HFUS imaging two weeks after cell injection; HFUS examinations and tumor volume (TV) measurements were repeated weekly. Micro-computed tomography was performed at different time points to determine whether lung metastasis had occurred. TVs were compared between the two models (surgical vs. HFUS-guided) using the Mann-Whitney U-test, and the Mantel-Cox log-rank test was applied to evaluate the death hazard. Hematoxylin and eosin analysis of formalin-fixed, paraffin-embedded mouse tissue was performed to validate the in vivo imaging results. RESULTS Of the HFUS-guided injected mice, 9/18 survived up to 40 days after the injection of tumor cells. Mice injected surgically had 100% mortality at day 29. Of 38 mice, 29 (14/18 HFUS, 15/20 surgical) showed metastasis in the salivary glands and lymph nodes, and 13 (10/18 HFUS, 3/20 surgical) also showed metastasis in the lungs, which was confirmed by histological analysis. In the surgical group, there was an evident, frequent (12/20 mice) involvement of the contralateral lobe of the thyroid, whereas this feature was only detected in 1/18 mice in the HFUS group. Statistical analysis showed the same pattern of growth in the two groups, and a significant hazard in the mice in the surgical group (p = 0.03). CONCLUSIONS This study demonstrated the technical feasibility of an HFUS-guided orthotopic mouse model of FTC. The HFUS-guided orthotopic model is easily reproducible and allows prolonged monitoring of the disease because the animals showed an increased survival rate.
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Affiliation(s)
- Adelaide Greco
- 1 Department of Advanced Biomedical Science, University of Naples Federico II , Naples, Italy
- 2 CEINGE Biotecnologie Avanzate , Naples, Italy
- 3 Institute of Biostructures and Bioimaging , CNR, Naples, Italy
| | - Sandra Albanese
- 1 Department of Advanced Biomedical Science, University of Naples Federico II , Naples, Italy
- 2 CEINGE Biotecnologie Avanzate , Naples, Italy
| | | | | | | | | | | | | | - Giuliana Salvatore
- 2 CEINGE Biotecnologie Avanzate , Naples, Italy
- 4 IRCCS SDN , Naples, Italy
- 6 Department of Motor Science and Wellness, Università Parthenope , Naples, Italy
| | - Andrea Soricelli
- 4 IRCCS SDN , Naples, Italy
- 6 Department of Motor Science and Wellness, Università Parthenope , Naples, Italy
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18
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Supsavhad W, Dirksen WP, Martin CK, Rosol TJ. Animal models of head and neck squamous cell carcinoma. Vet J 2015; 210:7-16. [PMID: 26965084 DOI: 10.1016/j.tvjl.2015.11.006] [Citation(s) in RCA: 66] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2014] [Revised: 11/02/2015] [Accepted: 11/11/2015] [Indexed: 12/18/2022]
Abstract
Head and neck squamous cell carcinoma (HNSCC) is the most common oral cancer worldwide. Local bone invasion into the maxilla or mandible and metastasis to regional lymph nodes often result in a poor prognosis, decreased quality of life and shortened survival time for HNSCC patients. Poor response to treatment and clinical outcomes are the major concerns in this aggressive cancer. Multiple animal models have been developed to replicate spontaneous HNSCC and investigate genetic alterations and novel therapeutic targets. This review provides an overview of HNSCC as well as the traditional animal models used in HNSCC preclinical research. The value and challenges of each in vivo model are discussed. Similarity between HNSCC in humans and cats and the possibility of using spontaneous feline oral squamous cell carcinoma (FOSCC) as a model for HNSCC in translational research are highlighted.
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Affiliation(s)
- Wachiraphan Supsavhad
- Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University, 1925 Coffey Road, Columbus, OH 43210, USA
| | - Wessel P Dirksen
- Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University, 1925 Coffey Road, Columbus, OH 43210, USA
| | - Chelsea K Martin
- Department of Pathology and Microbiology, Atlantic Veterinary College, University of Prince Edward Island, 550 University Avenue, Charlottetown, Prince Edward Island C1A 4P3, Canada
| | - Thomas J Rosol
- Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University, 1925 Coffey Road, Columbus, OH 43210, USA.
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19
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Atallah I, Milet C, Henry M, Josserand V, Reyt E, Coll JL, Hurbin A, Righini CA. Near-infrared fluorescence imaging-guided surgery improves recurrence-free survival rate in novel orthotopic animal model of head and neck squamous cell carcinoma. Head Neck 2015; 38 Suppl 1:E246-55. [PMID: 25546527 DOI: 10.1002/hed.23980] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/18/2014] [Indexed: 11/07/2022] Open
Abstract
BACKGROUND Appropriate animal models are required to test novel therapeutics for head and neck squamous cell carcinoma (HNSCC) such as near-infrared (NIR) imaging-guided surgery. METHODS We developed an optimized animal model of orthotopic HNSCC (in female athymic NMRI (Naval Medical Research Institute) nude mice) with a prolonged survival time. Resection of the orthotopic tumors was performed 30 days after implantation with or without the aid of a miniaturized clinical grade NIR optical imaging device, after systemic administration of a fluorescent RGD-based probe that targets αv β3 integrin. RESULTS NIR optical imaging-guided surgery increased the recurrence-free survival rate by 50% through the detection of fluorescent cancer residues as small as 185 µm; these fragments could remain unidentified if resection was performed exclusively under unaided visual guidance. CONCLUSION NIR optical imaging-guided surgery showed an improved HNSCC tumor resection quality in our optimized orthotopic animal model. © 2015 Wiley Periodicals, Inc. Head Neck 38: E246-E255, 2016.
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Affiliation(s)
- Ihab Atallah
- INSERM U823, Grenoble Cedex, France.,Joseph Fourier University, Grenoble Cedex, France.,Department of Otolaryngology-Head and Neck Surgery, Grenoble University Hospital, Cedex, France
| | - Clément Milet
- INSERM U823, Grenoble Cedex, France.,Joseph Fourier University, Grenoble Cedex, France
| | - Maxime Henry
- INSERM U823, Grenoble Cedex, France.,Joseph Fourier University, Grenoble Cedex, France
| | - Véronique Josserand
- INSERM U823, Grenoble Cedex, France.,Joseph Fourier University, Grenoble Cedex, France
| | - Emile Reyt
- Joseph Fourier University, Grenoble Cedex, France.,Department of Otolaryngology-Head and Neck Surgery, Grenoble University Hospital, Cedex, France
| | - Jean-Luc Coll
- INSERM U823, Grenoble Cedex, France.,Joseph Fourier University, Grenoble Cedex, France
| | - Amandine Hurbin
- INSERM U823, Grenoble Cedex, France.,Joseph Fourier University, Grenoble Cedex, France
| | - Christian Adrien Righini
- INSERM U823, Grenoble Cedex, France.,Joseph Fourier University, Grenoble Cedex, France.,Department of Otolaryngology-Head and Neck Surgery, Grenoble University Hospital, Cedex, France
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20
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Liu D, Xiong H, Ellis AE, Northrup NC, Dobbin KK, Shin DM, Zhao S. Canine spontaneous head and neck squamous cell carcinomas represent their human counterparts at the molecular level. PLoS Genet 2015; 11:e1005277. [PMID: 26030765 PMCID: PMC4452692 DOI: 10.1371/journal.pgen.1005277] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2014] [Accepted: 05/14/2015] [Indexed: 01/15/2023] Open
Abstract
Spontaneous canine head and neck squamous cell carcinoma (HNSCC) represents an excellent model of human HNSCC but is greatly understudied. To better understand and utilize this valuable resource, we performed a pilot study that represents its first genome-wide characterization by investigating 12 canine HNSCC cases, of which 9 are oral, via high density array comparative genomic hybridization and RNA-seq. The analyses reveal that these canine cancers recapitulate many molecular features of human HNSCC. These include analogous genomic copy number abnormality landscapes and sequence mutation patterns, recurrent alteration of known HNSCC genes and pathways (e.g., cell cycle, PI3K/AKT signaling), and comparably extensive heterogeneity. Amplification or overexpression of protein kinase genes, matrix metalloproteinase genes, and epithelial-mesenchymal transition genes TWIST1 and SNAI1 are also prominent in these canine tumors. This pilot study, along with a rapidly growing body of literature on canine cancer, reemphasizes the potential value of spontaneous canine cancers in HNSCC basic and translational research.
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Affiliation(s)
- Deli Liu
- Department of Biochemistry and Molecular Biology, Institute of Bioinformatics, University of Georgia, Athens, Georgia, United States of America
| | - Huan Xiong
- Department of Biochemistry and Molecular Biology, Institute of Bioinformatics, University of Georgia, Athens, Georgia, United States of America
| | - Angela E. Ellis
- College of Veterinary Medicine, University of Georgia, Athens, Georgia, United States of America
| | - Nicole C. Northrup
- College of Veterinary Medicine, University of Georgia, Athens, Georgia, United States of America
| | - Kevin K. Dobbin
- Department of Biostatistics, University of Georgia, Athens, Georgia, United States of America
| | - Dong M. Shin
- Winship Cancer Center, Emory University School of Medicine, Atlanta, Georgia, United States of America
| | - Shaying Zhao
- Department of Biochemistry and Molecular Biology, Institute of Bioinformatics, University of Georgia, Athens, Georgia, United States of America
- * E-mail:
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Simmons JK, Hildreth BE, Supsavhad W, Elshafae SM, Hassan BB, Dirksen WP, Toribio RE, Rosol TJ. Animal Models of Bone Metastasis. Vet Pathol 2015; 52:827-41. [PMID: 26021553 DOI: 10.1177/0300985815586223] [Citation(s) in RCA: 102] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Bone is one of the most common sites of cancer metastasis in humans and is a significant source of morbidity and mortality. Bone metastases are considered incurable and result in pain, pathologic fracture, and decreased quality of life. Animal models of skeletal metastases are essential to improve the understanding of the molecular pathways of cancer metastasis and growth in bone and to develop new therapies to inhibit and prevent bone metastases. The ideal animal model should be clinically relevant, reproducible, and representative of human disease. Currently, an ideal model does not exist; however, understanding the strengths and weaknesses of the available models will lead to proper study design and successful cancer research. This review provides an overview of the current in vivo animal models used in the study of skeletal metastases or local tumor invasion into bone and focuses on mammary and prostate cancer, lymphoma, multiple myeloma, head and neck squamous cell carcinoma, and miscellaneous tumors that metastasize to bone.
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Affiliation(s)
- J K Simmons
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, USA
| | - B E Hildreth
- Department of Veterinary Clinical Sciences, The Ohio State University, Columbus, OH, USA
| | - W Supsavhad
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, USA
| | - S M Elshafae
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, USA
| | - B B Hassan
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, USA
| | - W P Dirksen
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, USA
| | - R E Toribio
- Department of Veterinary Clinical Sciences, The Ohio State University, Columbus, OH, USA
| | - T J Rosol
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, USA
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Orthotopic non-metastatic and metastatic oral cancer mouse models. Oral Oncol 2015; 51:476-82. [PMID: 25682387 DOI: 10.1016/j.oraloncology.2015.01.012] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2014] [Revised: 01/22/2015] [Accepted: 01/25/2015] [Indexed: 01/05/2023]
Abstract
Oral cancer is characterized by high morbidity and mortality with a predisposition to metastasize to different tissues, including lung, liver, and bone. Despite progress in the understanding of mutational profiles and deregulated pathways in oral cancer, patient survival has not significantly improved over the past decades. Therefore, there is a need to establish in vivo models that recapitulate human oral cancer metastasis to evaluate therapeutic potential of novel drugs. Here we report orthotopic tongue cancer nude mouse models to study oral cancer growth and metastasis using human metastatic (UMSCC2) and non-metastatic (CAL27) cell lines, respectively. Transduction of these cell lines with lentivirus expressing red fluorescent protein (DsRed) followed by injection into tongues of immunodeficient mice generated orthotopic tongue tumors that could be monitored for growth and metastasis by fluorescence measurement with an in vivo Imaging System (IVIS 200). The growth rates of CAL27-DsRed induced tumors were higher than UMSCC2-DsRed tumors after day 15, while UMSCC2-DsRed tumors revealed metastasis beginning on day 21. Importantly, UMSCC2 tumors metastasized to a number of tissues including the submandibular gland, lung, kidney, liver, and bone. Further, immunohistochemical analyses of tongue tumors induced by CAL27 and UMSCC2 cells revealed elevated expression of components of protumorigenic pathways deregulated in human cancers, including Cyclin D1, PCNA, Ki-67, LSD1, LOXL2, MT-MMP1, DPAGT1, E-cadherin, OCT4A, and H3K4me1/2. These orthotopic mouse models are likely to be useful tools for gaining insights into the activity and mechanisms of novel oral cancer drug candidates.
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In vivo and in vitro antitumor effects of platycodin d, a saponin purified from platycodi radix on the h520 lung cancer cell. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2014; 2014:478653. [PMID: 25477992 PMCID: PMC4247928 DOI: 10.1155/2014/478653] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/06/2014] [Revised: 10/08/2014] [Accepted: 10/18/2014] [Indexed: 12/23/2022]
Abstract
Platycodin D is a major pharmacological constituent of Platycodi radix and has showed various pharmacological activities through oxidative stress defense mechanisms. Here, possible antitumor, anticachexia, and immunomodulatory activities of platycodin D were observed on the H520 tumor cell-bearing athymic nude mice after confirming the in vitro cytotoxicity. Platycodin D was orally administered at dose levels of 200, 100, and 50 mg/kg, once a day for 35 days from 15 days after implantation. The results were compared with gemcitabine 160 mg/kg intraperitoneally treated mice (7-day intervals). Platycodin D showed favorable cytotoxic effects on the H520 cells, and also dose-dependently decreased the tumor volumes and weights with increases of apoptotic cells (caspase-3 and PARP immunopositive cells), iNOS and TNF-α immunoreactivities, decreases of COX-2 immunoreactivities in tumor masses. Platycodin D also showed dose-dependent immunostimulatory and anticachexia effects. Gemcitabine showed favorable cytotoxity against H520 tumor cell and related in vivo antitumor effects but aggravated the cancer related cachexia and immunosuppress in H520 tumor cell-bearing athymic nude mice. Taken together, it is considered that oral treatment of platycodin D has potent antitumor activities on H520 cells through direct cytotoxic effects, increases of apoptosis in tumor cells, and immunostimulatory effects and can be control cancer related cachexia.
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Atallah I, Milet C, Coll JL, Reyt E, Righini CA, Hurbin A. Role of near-infrared fluorescence imaging in head and neck cancer surgery: from animal models to humans. Eur Arch Otorhinolaryngol 2014; 272:2593-600. [PMID: 25115313 DOI: 10.1007/s00405-014-3224-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2014] [Accepted: 07/29/2014] [Indexed: 12/18/2022]
Abstract
Complete resection of head and neck cancers with negative surgical margins improves the prognosis of the disease and decreases the recurrence rate. Near-infrared fluorescence-guided surgery of head and neck cancer is a rapidly evolving field that represents an invaluable tool for tumor detection and resection. Here, we present a literature review of the principles of near-infrared fluorescence imaging and its use in head and neck cancer surgery. We discuss important studies in both animal models and humans that have been carried out up to this point. We also outline the important fluorescent molecules and devices used in head and neck fluorescence imaging-guided surgery. Although near-infrared fluorescence-guided surgery for head and neck cancers showed efficacy in animal models, its use in humans is limited by the small number of fluorescent probes that are approved for clinical use. However, it is considered as a novel surgical aid that helps delineate tumor margins preoperatively and could spare patients from the added morbidity that is associated with additional surgery or chemoradiation. In addition, it is a useful tool to detect sentinel lymph nodes as well as metastatic lymph nodes.
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Affiliation(s)
- Ihab Atallah
- Albert Bonniot Institute, CRI INSERM/UJF U823, BP170, 38042, Grenoble Cedex 9, France,
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The promoting effect of carbamide peroxide teeth bleaching gel in a preclinical model of head and neck cancer in hamster buccal pouch. Clin Exp Otorhinolaryngol 2014; 7:210-5. [PMID: 25177438 PMCID: PMC4135158 DOI: 10.3342/ceo.2014.7.3.210] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2012] [Revised: 11/15/2012] [Accepted: 03/11/2013] [Indexed: 12/13/2022] Open
Abstract
Objectives The aim of this study was to verify the promoting effect of carbamide peroxide on dimethylbenzanthracene (DMBA)-induced carcinogenesis in the hamster buccal pouch, in order to reduce the period of latency for tumor formation. Methods Sixteen hamsters were randomized into two groups of eight animals each. The hamsters of the group I had their right buccal pouches treated with 0.5% DMBA and 10% carbamide peroxide teeth bleaching gel for 55 days. The animals of the group II had their right pouches treated only with DMBA. After, six animals of each group had their pouches prepared for light microscopy. Histomorphometry was performed to assess the presence of keratinization, nuclear polymorphism, pattern of invasion, number of blood vessels, and inflammatory infiltrate in the tumor front. Furthermore, the newly formed lesions were graded according the Bryne's grading system. The remaining animals had the vascular system of the pouches casted by Mercox and qualitatively analyzed by scanning electron microscopy. Results Histopathological analysis of the buccal pouches treated with DMBA and carbamide peroxide exhibited formation of squamous cell carcinoma well-differentiated with a high degree of malignancy in all pouches. The development of this neoplasm was associated with a significant increase in the number of blood vessels, presence of keratin pearls, and inflammatory infiltrate. The pouches of the group II showed inflammation, epithelial hyperplasia, dysplasia, and squamous cell carcinoma in only three right pouches. The analysis of the electron micrographs of the pouches chemically inducted with DBMA and carbamide peroxide reveled formation of a new vascular network characteristic of squamous cell carcinoma. Conclusion The protocol presented here, using DMBA associated with carbamide peroxide, shortens the period of latency to produce squamous cell carcinoma in the hamster buccal pouch, decreasing the time and costs of the experiments.
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Walk EL, McLaughlin S, Coad J, Weed SA. Use of high frequency ultrasound to monitor cervical lymph node alterations in mice. PLoS One 2014; 9:e100185. [PMID: 24955984 PMCID: PMC4067293 DOI: 10.1371/journal.pone.0100185] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2013] [Accepted: 05/23/2014] [Indexed: 01/19/2023] Open
Abstract
Cervical lymph node evaluation by clinical ultrasound is a non-invasive procedure used in diagnosing nodal status, and when combined with fine-needle aspiration cytology (FNAC), provides an effective method to assess nodal pathologies. Development of high-frequency ultrasound (HF US) allows real-time monitoring of lymph node alterations in animal models. While HF US is frequently used in animal models of tumor biology, use of HF US for studying cervical lymph nodes alterations associated with murine models of head and neck cancer, or any other model of lymphadenopathy, is lacking. Here we utilize HF US to monitor cervical lymph nodes changes in mice following exposure to the oral cancer-inducing carcinogen 4-nitroquinoline-1-oxide (4-NQO) and in mice with systemic autoimmunity. 4-NQO induces tumors within the mouse oral cavity as early as 19 wks that recapitulate HNSCC. Monitoring of cervical (mandibular) lymph nodes by gray scale and power Doppler sonography revealed changes in lymph node size eight weeks after 4-NQO treatment, prior to tumor formation. 4-NQO causes changes in cervical node blood flow resulting from oral tumor progression. Histological evaluation indicated that the early 4-NQO induced changes in lymph node volume were due to specific hyperproliferation of T-cell enriched zones in the paracortex. We also show that HF US can be used to perform image-guided fine needle aspirate (FNA) biopsies on mice with enlarged mandibular lymph nodes due to genetic mutation of Fas ligand (Fasl). Collectively these studies indicate that HF US is an effective technique for the non-invasive study of cervical lymph node alterations in live mouse models of oral cancer and other mouse models containing cervical lymphadenopathy.
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Affiliation(s)
- Elyse L. Walk
- Department of Neurobiology and Anatomy, West Virginia University, Morgantown, West Virginia, United States of America
- Program in Cancer Cell Biology, West Virginia University, Morgantown, West Virginia, United States of America
- Mary Babb Randolph Cancer Center, West Virginia University, Morgantown, West Virginia, United States of America
| | - Sarah McLaughlin
- Animal Models and Imaging Facility, West Virginia University, Morgantown, West Virginia, United States of America
- Mary Babb Randolph Cancer Center, West Virginia University, Morgantown, West Virginia, United States of America
| | - James Coad
- Department of Pathology, West Virginia University, Morgantown, West Virginia, United States of America
| | - Scott A. Weed
- Department of Neurobiology and Anatomy, West Virginia University, Morgantown, West Virginia, United States of America
- Program in Cancer Cell Biology, West Virginia University, Morgantown, West Virginia, United States of America
- Mary Babb Randolph Cancer Center, West Virginia University, Morgantown, West Virginia, United States of America
- * E-mail:
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Judd NP, Allen CT, Winkler AE, Uppaluri R. Comparative analysis of tumor-infiltrating lymphocytes in a syngeneic mouse model of oral cancer. Otolaryngol Head Neck Surg 2012; 147:493-500. [PMID: 22434099 PMCID: PMC6346425 DOI: 10.1177/0194599812442037] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2011] [Accepted: 02/22/2012] [Indexed: 01/09/2023]
Abstract
OBJECTIVE To perform a comparative analysis of infiltrating immune cells in a newly developed C57BL/6 background syngeneic transplantable mouse oral cancer (MOC) model. STUDY DESIGN/SETTING Scientific study in an academic medical center. METHODS Use of carcinogen-induced tumorigenesis, tissue culture, cell line transplantation, and flow cytometric analysis techniques. RESULTS Previously, the authors established a series of cell line models that displayed dichotomous growth phenotypes when transplanted into immunocompetent mice. They now show that the indolent growth pattern of the MOC1-generated tumors is associated with increased baseline and inducible major histocompatibility complex class I expression and increased CD8(+) T-cell infiltration into the tumor microenvironment. Conversely, the aggressive and metastatic pattern of MOC2-generated tumors has decreased basal and inducible class I expression and is associated with FOXP3(+)CD4(+) regulatory T-cell infiltration. Delayed primary tumor growth after targeted monoclonal antibody therapy of these FOXP3(+) regulatory cells further suggests that these immune cells contribute to the aggressive phenotype of MOC2. CONCLUSION These data validate that key infiltrating immune cells identified here parallel findings in human head and neck cancer, making this newly developed syngeneic model a critical platform for the continued dissection of tumor-host interactions in head and neck cancer.
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MESH Headings
- Animals
- Antibodies, Monoclonal/pharmacology
- CD8-Positive T-Lymphocytes/immunology
- CD8-Positive T-Lymphocytes/pathology
- Cell Line, Tumor
- DNA-Binding Proteins/genetics
- Disease Models, Animal
- Forkhead Transcription Factors/genetics
- Gene Expression Regulation, Neoplastic/physiology
- Histocompatibility Antigens Class I/analysis
- Histocompatibility Antigens Class I/genetics
- Lymphatic Metastasis/genetics
- Lymphatic Metastasis/pathology
- Lymphocytes, Tumor-Infiltrating/immunology
- Lymphocytes, Tumor-Infiltrating/pathology
- Mice
- Mice, Inbred C57BL
- Mouth Neoplasms/genetics
- Mouth Neoplasms/immunology
- Mouth Neoplasms/pathology
- Neoplasm Invasiveness
- Neoplasm Transplantation
- Phenotype
- T-Lymphocytes, Regulatory/immunology
- T-Lymphocytes, Regulatory/pathology
- Transplantation, Isogeneic
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Affiliation(s)
- Nancy P. Judd
- Department of Otolaryngology, Washington University School of Medicine, 660 South Euclid Avenue, St. Louis, Missouri, 63110
- These authors contributed equally to this work
| | - Clint T. Allen
- Department of Otolaryngology, Washington University School of Medicine, 660 South Euclid Avenue, St. Louis, Missouri, 63110
- These authors contributed equally to this work
| | - Ashley E. Winkler
- Department of Otolaryngology, Washington University School of Medicine, 660 South Euclid Avenue, St. Louis, Missouri, 63110
| | - Ravindra Uppaluri
- Department of Otolaryngology, Washington University School of Medicine, 660 South Euclid Avenue, St. Louis, Missouri, 63110
- John Cochran VA Medical Center, Washington University School of Medicine, 660 South Euclid Avenue, St. Louis, Missouri, 63110
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Vahle AK, Kerem A, Öztürk E, Bankfalvi A, Lang S, Brandau S. Optimization of an orthotopic murine model of head and neck squamous cell carcinoma in fully immunocompetent mice – Role of toll-like-receptor 4 expressed on host cells. Cancer Lett 2012; 317:199-206. [DOI: 10.1016/j.canlet.2011.11.027] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2011] [Revised: 10/17/2011] [Accepted: 11/21/2011] [Indexed: 01/09/2023]
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Judd NP, Winkler AE, Murillo-Sauca O, Brotman JJ, Law JH, Lewis JS, Dunn GP, Bui JD, Sunwoo JB, Uppaluri R. ERK1/2 regulation of CD44 modulates oral cancer aggressiveness. Cancer Res 2011; 72:365-74. [PMID: 22086849 DOI: 10.1158/0008-5472.can-11-1831] [Citation(s) in RCA: 156] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Carcinogen-induced oral cavity squamous cell carcinoma (OSCC) incurs significant morbidity and mortality and constitutes a global health challenge. To gain further insight into this disease, we generated cell line models from 7,12-dimethylbenz(a)anthracene-induced murine primary OSCC capable of tumor formation upon transplantation into immunocompetent wild-type mice. Whereas several cell lines grew rapidly and were capable of metastasis, some grew slowly and did not metastasize. Aggressively growing cell lines displayed ERK1/2 activation, which stimulated expression of CD44, a marker associated with epithelial to mesenchymal transition and putative cancer stem cells. MEK (MAP/ERK kinase) inhibition upstream of ERK1/2 decreased CD44 expression and promoter activity and reduced cell migration and invasion. Conversely, MEK1 activation enhanced CD44 expression and promoter activity, whereas CD44 attenuation reduced in vitro migration and in vivo tumor formation. Extending these findings to freshly resected human OSCC, we confirmed a strict relationship between ERK1/2 phosphorylation and CD44 expression. In summary, our findings identify CD44 as a critical target of ERK1/2 in promoting tumor aggressiveness and offer a preclinical proof-of-concept to target this pathway as a strategy to treat head and neck cancer.
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Affiliation(s)
- Nancy P Judd
- Department of Otolaryngology and John Cochran VA Medical Center, Department of Pathology and Immunology, Washington University School of Medicine, St Louis, Missouri 63110, USA
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Development of tissue-engineered models of oral dysplasia and early invasive oral squamous cell carcinoma. Br J Cancer 2011; 105:1582-92. [PMID: 21989184 PMCID: PMC3242522 DOI: 10.1038/bjc.2011.403] [Citation(s) in RCA: 70] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Background: Current organotypic models of dysplasia and oral squamous cell carcinoma (OSCC) lack the complexity that mimics in vivo tissue. Here we describe a three-dimensional in vitro model of the oral epithelium that replicates tumour progression from dysplasia to an invasive phenotype. Methods: The OSCC cell lines were seeded as a cell suspension (D20, Cal27) or as multicellular tumour spheroids (FaDu) with oral fibroblasts on to a de-epidermised acellular dermis to generate tissue-engineered models and compared with patient biopsies. Results: The D20 and Cal27 cells generated a model of epithelial dysplasia. Overtime Cal27 cells traversed the basement membrane and invaded the connective tissue to reproduce features of early invasive OSCC. When seeded onto a model of the normal oral mucosa, FaDu spheroids produced a histological picture mimicking carcinoma in situ with severe cellular atypia juxtaposed to normal epithelium. Conclusion: It is possible to culture in vitro models with the morphological appearance and histological characteristics of dysplasia and tumour cell invasion seen in vivo using native dermis. Such models could facilitate study of the molecular processes involved in malignant transformation, invasion and tumour growth as well as in vitro testing of new treatments, diagnostic tests and drug delivery systems for OSCC.
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Gatesman Ammer A, Hayes KE, Martin KH, Zhang L, Spirou GA, Weed SA. Multi-photon imaging of tumor cell invasion in an orthotopic mouse model of oral squamous cell carcinoma. J Vis Exp 2011:2941. [PMID: 21808230 PMCID: PMC3196194 DOI: 10.3791/2941] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Loco-regional invasion of head and neck cancer is linked to metastatic risk and presents a difficult challenge in designing and implementing patient management strategies. Orthotopic mouse models of oral cancer have been developed to facilitate the study of factors that impact invasion and serve as model system for evaluating anti-tumor therapeutics. In these systems, visualization of disseminated tumor cells within oral cavity tissues has typically been conducted by either conventional histology or with in vivo bioluminescent methods. A primary drawback of these techniques is the inherent inability to accurately visualize and quantify early tumor cell invasion arising from the primary site in three dimensions. Here we describe a protocol that combines an established model for squamous cell carcinoma of the tongue (SCOT) with two-photon imaging to allow multi-vectorial visualization of lingual tumor spread. The OSC-19 head and neck tumor cell line was stably engineered to express the F-actin binding peptide LifeAct fused to the mCherry fluorescent protein (LifeAct-mCherry). Fox1(nu/nu) mice injected with these cells reliably form tumors that allow the tongue to be visualized by ex-vivo application of two-photon microscopy. This technique allows for the orthotopic visualization of the tumor mass and locally invading cells in excised tongues without disruption of the regional tumor microenvironment. In addition, this system allows for the quantification of tumor cell invasion by calculating distances that invaded cells move from the primary tumor site. Overall this procedure provides an enhanced model system for analyzing factors that contribute to SCOT invasion and therapeutic treatments tailored to prevent local invasion and distant metastatic spread. This method also has the potential to be ultimately combined with other imaging modalities in an in vivo setting.
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Affiliation(s)
- Amanda Gatesman Ammer
- Department of Neurobiology and Anatomy, Program in Cancer Cell Biology, Mary Babb Randolph Cancer Center, West Virginia University, USA
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Swindell WR, Johnston A, Carbajal S, Han G, Wohn C, Lu J, Xing X, Nair RP, Voorhees JJ, Elder JT, Wang XJ, Sano S, Prens EP, DiGiovanni J, Pittelkow MR, Ward NL, Gudjonsson JE. Genome-wide expression profiling of five mouse models identifies similarities and differences with human psoriasis. PLoS One 2011; 6:e18266. [PMID: 21483750 PMCID: PMC3070727 DOI: 10.1371/journal.pone.0018266] [Citation(s) in RCA: 147] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2011] [Accepted: 02/23/2011] [Indexed: 12/05/2022] Open
Abstract
Development of a suitable mouse model would facilitate the investigation of pathomechanisms underlying human psoriasis and would also assist in development of therapeutic treatments. However, while many psoriasis mouse models have been proposed, no single model recapitulates all features of the human disease, and standardized validation criteria for psoriasis mouse models have not been widely applied. In this study, whole-genome transcriptional profiling is used to compare gene expression patterns manifested by human psoriatic skin lesions with those that occur in five psoriasis mouse models (K5-Tie2, imiquimod, K14-AREG, K5-Stat3C and K5-TGFbeta1). While the cutaneous gene expression profiles associated with each mouse phenotype exhibited statistically significant similarity to the expression profile of psoriasis in humans, each model displayed distinctive sets of similarities and differences in comparison to human psoriasis. For all five models, correspondence to the human disease was strong with respect to genes involved in epidermal development and keratinization. Immune and inflammation-associated gene expression, in contrast, was more variable between models as compared to the human disease. These findings support the value of all five models as research tools, each with identifiable areas of convergence to and divergence from the human disease. Additionally, the approach used in this paper provides an objective and quantitative method for evaluation of proposed mouse models of psoriasis, which can be strategically applied in future studies to score strengths of mouse phenotypes relative to specific aspects of human psoriasis.
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Affiliation(s)
- William R. Swindell
- Department of Genetics, Harvard Medical School, Boston, Massachusetts, United States of America
- * E-mail: (WRS); (JEG)
| | - Andrew Johnston
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, Michigan, United States of America
| | - Steve Carbajal
- Division of Pharmacology & Toxicology, College of Pharmacy, The University of Texas at Austin, Austin, Texas, United States of America
| | - Gangwen Han
- Departments of Pathology, Otolaryngology and Dermatology, University of Colorado, Denver, Colorado, United States of America
| | - Christian Wohn
- Departments of Immunology, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
| | - Jun Lu
- Department of Dermatology, Mayo Clinic, Rochester, Minnesota, United States of America
| | - Xianying Xing
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, Michigan, United States of America
| | - Rajan P. Nair
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, Michigan, United States of America
| | - John J. Voorhees
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, Michigan, United States of America
| | - James T. Elder
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, Michigan, United States of America
- Ann Arbor Veterans Affairs Hospital, Ann Arbor, Michigan, United States of America
| | - Xiao-Jing Wang
- Departments of Pathology, Otolaryngology and Dermatology, University of Colorado, Denver, Colorado, United States of America
| | - Shigetoshi Sano
- Department of Dermatology, Kochi Medical School, Kochi University, Okocho, Nankoku, Japan
| | - Errol P. Prens
- Departments of Dermatology and Rheumatology, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
| | - John DiGiovanni
- Department of Nutritional Sciences, Dell Pediatric Research Institute, The University of Texas at Austin, Austin, Texas, United States of America
- Division of Pharmacology & Toxicology, Dell Pediatric Research Institute, The University of Texas at Austin, Austin, Texas, United States of America
| | - Mark R. Pittelkow
- Department of Dermatology, Mayo Clinic, Rochester, Minnesota, United States of America
| | - Nicole L. Ward
- Department of Dermatology and the Murdough Family Center for Psoriasis, Case Western Reserve University and University Hospitals, Case Medical Center, Cleveland, Ohio, United States of America
| | - Johann E. Gudjonsson
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, Michigan, United States of America
- * E-mail: (WRS); (JEG)
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Gule MK, Chen Y, Sano D, Frederick MJ, Zhou G, Zhao M, Milas ZL, Galer CE, Henderson YC, Jasser SA, Schwartz DL, Bankson JA, Myers JN, Lai SY. Targeted therapy of VEGFR2 and EGFR significantly inhibits growth of anaplastic thyroid cancer in an orthotopic murine model. Clin Cancer Res 2011; 17:2281-91. [PMID: 21220477 DOI: 10.1158/1078-0432.ccr-10-2762] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
PURPOSE Anaplastic thyroid carcinoma (ATC) is one of the most lethal human cancers with a median survival of 6 months. The inhibition of epidermal growth factor receptor (EGFR) alone, or with VEGF receptor 2 (VEGFR2), represents an attractive approach for treatment of ATC. Several reports have examined agents that target these receptors. However, with the misidentification of as many as 60% of all commonly used ATC cell lines, the significance of these past findings is unclear. EXPERIMENTAL DESIGN Cell lines authenticated by short tandem repeat profiling were selected to establish xenograft tumors in an orthotopic murine model of ATC. These mice were then treated with vandetanib to evaluate its effects on ATC tumor growth. Dynamic contrast-enhanced (DCE) MRI was utilized to measure the impact of vandetanib on tumor vasculature. RESULTS Vandetanib inhibited tumor growth of the ATC cell lines Hth83 and 8505C in vivo by 69.3% (P < 0.001) and 66.6% (P < 0.05), respectively, when compared with control. Significant decreases in vascular permeability (P < 0.01) and vascular volume fraction (P < 0.05) were detected by DCE-MRI in the orthotopic xenograft tumors after 1 week of treatment with vandetanib as compared with control. CONCLUSION The inhibition of EGFR and VEGFR2 by vandetanib and its tremendous in vivo antitumor activity against ATC make it an attractive candidate for further preclinical and clinical development for the treatment of this particularly virulent cancer, which remains effectively untreatable. Vandetanib disrupts angiogenesis and DCE-MRI is an effective method to quantify changes in vascular function in vivo.
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Affiliation(s)
- Maria K Gule
- Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030-4009, USA
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Dong Z, Wei F, Zhou C, Sumida T, Hamakawa H, Hu Y, Liu S. Silencing Id-1 inhibits lymphangiogenesis through down-regulation of VEGF-C in oral squamous cell carcinoma. Oral Oncol 2010; 47:27-32. [PMID: 21111670 DOI: 10.1016/j.oraloncology.2010.10.012] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2010] [Revised: 10/24/2010] [Accepted: 10/25/2010] [Indexed: 11/16/2022]
Abstract
Our previous study demonstrated that overexpression of Id-1 (inhibitor of differentiation/DNA binding) was associated with lymphatic metastasis in human oral squamous cell carcinoma (OSCC). In this study, we further unveiled the association of Id-1 with vascular endothelial growth factor-C (VEGF-C) and peritumoral lymphatic vessel density (PLVD), and the effect of silencing Id-1 on inhibiting lymphangiogenesis in OSCC. We found that Id-1 was associated with VEGF-C (r=0.569, p<0.001) and PLVD (r=0.240, p<0.001) in OSCC. Lentivirus-mediated RNA interference targeting Id-1 in an OSCC cell line Tca8113 resulted in down-regulation of VEGF-C (p=0.003, 0.007). Moreover, when Id-1 was suppressed by injecting Id-1-siRNA-lentivirus into the transplanted tumors in nude mice, VEGF-C was down-regulated (p=0.018) and the PLVD decreased (p=0.001). Our results suggest that Id-1 was correlated with lymphangiogenesis in OSCC. Silencing Id-1 could inhibit lymphangiogenesis through down-regulation of VEGF-C and it might be a promising treatment modality for the lymphatic metastasis of OSCC.
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Affiliation(s)
- Zuoqing Dong
- Department of Oral and Maxillofacial Surgery, Qilu Hospital, and Stamatology Research Center, Shandong University, 107#, Wenhua Xi Road, Jinan 250012, PR China
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Marioni G, D'Alessandro E, Giacomelli L, Staffieri A. CD105 is a marker of tumour vasculature and a potential target for the treatment of head and neck squamous cell carcinoma. J Oral Pathol Med 2010; 39:361-7. [PMID: 20537053 DOI: 10.1111/j.1600-0714.2010.00888.x] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
BACKGROUND The importance of angiogenesis in solid tumour growth is well recognised. Tumour angiogenesis is considered the result of an imbalance between pro- and anti-angiogenic factors produced by both the malignancy and normal cells. Endoglin (CD105) is a proliferation-associated, hypoxia-inducible glycoprotein that seems to be clinically superior to other pan-endothelial markers in the selective evaluation of tumour angiogenesis. Several studies have revealed CD105 up-regulation in a wide range of tumour endothelia. Since 2002, endothelial CD105 expression has also been retrospectively investigated in patients with head and neck squamous cell carcinoma (HNSCC). METHODS An exhaustive literature review was performed to investigate available evidence on CD105 expression and its biological role and therapeutic potential in HNSCC. RESULTS The available evidence supports the hypothesis that CD105 expression in HNSCC may be a valuable parameter for pinpointing patients at greater risk of recurrent malignancy and with a worse prognosis. A high CD105 expression in HNSCC was associated with metastatic lymph nodes in most of the studies. CONCLUSIONS Prospective studies are mandatory to confirm that CD105 expression is a significant prognostic hallmark in HNSCC. The results of prospective studies could be relevant for the adoption of stricter follow-up protocols and/or alternative therapeutic regimens for patients with a high CD105 expression in HNSCC. Great interest is currently being focused on vascular targeting for therapeutic purposes. Preclinical studies on appropriate animal models resembling HNSCC to investigate the effects of inhibiting CD105 may show the efficacy of combined treatment strategies associating angiogenic-targeted with conventional therapies for HNSCC.
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Affiliation(s)
- Gino Marioni
- Department of Medical and Surgical Specialties, Otolaryngology Section, University of Padova, Padova, Italy.
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