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Lashgari NA, Roudsari NM, Zadeh SST, Momtaz S, Abbasifard M, Reiner Ž, Abdolghaffari AH, Sahebkar A. Statins block mammalian target of rapamycin pathway: a possible novel therapeutic strategy for inflammatory, malignant and neurodegenerative diseases. Inflammopharmacology 2023; 31:57-75. [PMID: 36574095 PMCID: PMC9792946 DOI: 10.1007/s10787-022-01077-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 07/12/2022] [Indexed: 12/28/2022]
Abstract
Inflammation plays a critical role in several diseases such as cancer, gastric, heart and nervous system diseases. Data suggest that the activation of mammalian target of rapamycin (mTOR) pathway in epithelial cells leads to inflammation. Statins, the inhibitors of the 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA), seem to be able to inhibit the mTOR. Statins are considered to have favorable effects on inflammatory diseases by reducing the complications caused by inflammation and by regulating the inflammatory process and cytokines secretion. This critical review collected data on this topic from clinical, in vivo and in vitro studies published between 1998 and June 2022 in English from databases including PubMed, Google Scholar, Scopus, and Cochrane libraries.
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Affiliation(s)
- Naser-Aldin Lashgari
- Department of Toxicology and Pharmacology, Faculty of Pharmacy, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Nazanin Momeni Roudsari
- Department of Toxicology and Pharmacology, Faculty of Pharmacy, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | | | - Saeideh Momtaz
- Medicinal Plants Research Center, Institute of Medicinal Plants, ACECR, Tehran, Iran
- Toxicology and Diseases Group (TDG), The Institute of Pharmaceutical Sciences (TIPS), and Faculty of Pharmacy, Pharmaceutical Sciences Research Center (PSRC), Tehran University of Medical Sciences, Tehran, Iran
- GI Pharmacology Interest Group (GPIG), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Mitra Abbasifard
- Immunology of Infectious Diseases Research Center, Research Institute of Basic Medical Sciences, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
- Department of Internal Medicine, Ali-Ibn Abi-Talib Hospital, School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Željko Reiner
- Department of Internal Medicine, School of Medicine, University Hospital Center Zagreb, University of Zagreb, Zagreb, Croatia
| | - Amir Hossein Abdolghaffari
- Department of Toxicology and Pharmacology, Faculty of Pharmacy, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran.
- Medicinal Plants Research Center, Institute of Medicinal Plants, ACECR, Tehran, Iran.
- Toxicology and Diseases Group (TDG), The Institute of Pharmaceutical Sciences (TIPS), and Faculty of Pharmacy, Pharmaceutical Sciences Research Center (PSRC), Tehran University of Medical Sciences, Tehran, Iran.
- GI Pharmacology Interest Group (GPIG), Universal Scientific Education and Research Network (USERN), Tehran, Iran.
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
- School of Medicine, The University of Western Australia, Perth, Australia.
- Department of Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
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Scarini JF, Lavareze L, Lima-Souza RAD, Emerick C, Gonçalves MT, Figueiredo-Maciel T, Vieira GDS, Kimura TDC, de Sá RS, Aquino IG, Fernandes PM, Kowalski LP, Altemani A, Mariano FV, Egal ESA. Head and neck squamous cell carcinoma: Exploring frontiers of combinatorial approaches with tyrosine kinase inhibitors and immune checkpoint therapy. Crit Rev Oncol Hematol 2022; 180:103863. [DOI: 10.1016/j.critrevonc.2022.103863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 10/20/2022] [Accepted: 10/29/2022] [Indexed: 11/06/2022] Open
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Piwowarczyk L, Stawny M, Piwowarczyk K, Mlynarczyk DT, Muszalska-Kolos I, Wierzbicka M, Goslinski T, Jelinska A. Role of curcumin in selected head and neck lesions. Limitations on the use of the Hep-2 cell line: A critical review. Biomed Pharmacother 2022; 154:113560. [PMID: 36030583 DOI: 10.1016/j.biopha.2022.113560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 08/14/2022] [Indexed: 11/19/2022] Open
Abstract
Neoplastic diseases of the upper respiratory airways, as well as head and neck cancers, are a frequent cause of death and significantly affect the quality of life of both patients and survivors. As the frequency increases, new and improved treatment techniques are sought. Promising properties in this respect are expressed by a natural compound - curcumin. Along with its derivatives, it was found useful in the treatment of a series of cancers. Curcumin was found to be effective in clinical trials and in vitro, in vivo anticancer experiments. Nanoformulations (e.g., poly(lactide-co-glycolic acid)-based nanoparticles, nanoemulsions), and modifications of curcumin, as well as its combinations with other substances (e.g., catechins, cisplatin) or treatments (e.g., radiotherapy or local use in inhalation), were found to enhance the antitumor effect. This review aims to summarize the recent findings for the treatment of head and neck diseases, especially squamous cell carcinomas (HNSCCs), including drawing attention to the constant use of the misidentified Hep-2 cell line and proposing databases purposed at eliminating this problem. Moreover, this manuscript focuses on pointing out the molecular mechanisms of therapy that have been reached and emphasizing the shortcomings that still need to be addressed.
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Affiliation(s)
- Ludwika Piwowarczyk
- Chair and Department of Pharmaceutical Chemistry, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznań, Poland.
| | - Maciej Stawny
- Chair and Department of Pharmaceutical Chemistry, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznań, Poland.
| | - Krzysztof Piwowarczyk
- Chair and Department of Phoniatrics and Audiology, Poznan University of Medical Sciences, Przybyszewskiego 49, 60-355 Poznań, Poland.
| | - Dariusz T Mlynarczyk
- Chair and Department of Chemical Technology of Drugs, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznań, Poland.
| | - Izabela Muszalska-Kolos
- Chair and Department of Pharmaceutical Chemistry, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznań, Poland.
| | - Malgorzata Wierzbicka
- Department of Otolaryngology and Laryngological Oncology, Poznan University of Medical Sciences, Przybyszewskiego 49, 60-355 Poznań, Poland.
| | - Tomasz Goslinski
- Chair and Department of Chemical Technology of Drugs, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznań, Poland.
| | - Anna Jelinska
- Chair and Department of Pharmaceutical Chemistry, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznań, Poland.
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4
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Mazilu L, Suceveanu AI, Stanculeanu DL, Gheorghe AD, Fricatel G, Negru SM. Tumor microenvironment is not an 'innocent bystander' in the resistance to treatment of head and neck cancers (Review). Exp Ther Med 2021; 22:1128. [PMID: 34466142 DOI: 10.3892/etm.2021.10562] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 07/08/2021] [Indexed: 12/24/2022] Open
Abstract
Head and neck cancers are still one of the most common types of cancer in the world. They rank in the leading sixth place in terms of incidence globally, and the incidence continues to rise. The mortality rates remain at high levels. Pathological subclassification places squamous cell carcinoma of the head and neck (HNSCC) in the first place concerning the histological forms of head and neck cancers; a tumor with extremely aggressive behavior and high mortality rates. The tumor microenvironment is a very complex ecosystem of cellular and non-cellular components, characterized by unique features, that contribute to the appearance of immunosuppression and diminished anticancer immunity, impacting patient prognosis and treatment outcome. Despite many important advances in therapy, resistance to therapy represents a difficult challenge in HNSCC patients. Tumor progression, metastasis, and response to therapy are all influenced by the complex ecosystem represented by the tumor microenvironment and by the interactions between cellular and non-cellular components of this system. Therefore, the tumor microenvironment, in the light of recent data, is not an innocent bystander. In the last few years, there has been a sustained effort to characterize the tumor microenvironment, to identify targets of response and identify other mechanisms of tumor-specific immune responses, or to discover other biomarkers of response. There is an urgent need to understand how to properly select patients, the therapy sequence, and how to use feasible biomarkers that can help to identify the patient who may obtain the most benefit from available therapies.
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Affiliation(s)
- Laura Mazilu
- Department of Oncology, 'Ovidius' University, 900527 Constanţa, Romania
| | | | - Dana-Lucia Stanculeanu
- Department of Oncology, 'Carol Davila' University of Medicine and Pharmacy, 050474 Bucharest, Romania
| | | | - Gabriela Fricatel
- Department of Oncology, 'Ovidius' University, 900527 Constanţa, Romania
| | - Serban-Mircea Negru
- Department of Oncology, 'Victor Babes' University of Medicine and Pharmacy, 300041 Timisoara, Romania
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5
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Chaudhary S, Pothuraju R, Rachagani S, Siddiqui JA, Atri P, Mallya K, Nasser MW, Sayed Z, Lyden ER, Smith L, Gupta SD, Ralhan R, Lakshmanan I, Jones DT, Ganti AK, Macha MA, Batra SK. Dual blockade of EGFR and CDK4/6 delays head and neck squamous cell carcinoma progression by inducing metabolic rewiring. Cancer Lett 2021; 510:79-92. [PMID: 33878394 PMCID: PMC8153085 DOI: 10.1016/j.canlet.2021.04.004] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 04/05/2021] [Accepted: 04/07/2021] [Indexed: 12/15/2022]
Abstract
Despite preclinical success, monotherapies targeting EGFR or cyclin D1-CDK4/6 in Head and Neck squamous cell carcinoma (HNSCC) have shown a limited clinical outcome. Here, we aimed to determine the combined effect of palbociclib (CDK4/6) and afatinib (panEGFR) inhibitors as an effective strategy to target HNSCC. Using TCGA-HNSCC co-expression analysis, we found that patients with high EGFR and cyclin D1 expression showed enrichment of gene clusters associated with cell-growth, glycolysis, and epithelial to mesenchymal transition processes. Phosphorylated S6 (p-S6), a downstream effector of EGFR and cyclin D1-CDK4/6 signalling, showed a progressive increase from normal oral tissues to leukoplakia and frank malignancy, and associated with poor outcome of the patients. This increased p-S6 expression was drastically reduced after combination treatment with afatinib and palbociclib in the cell lines and mouse models, suggesting its utiliy as a prognostic marker in HNSCC. Combination treatment also reduced the cell growth and induced cell senescence via increasing reactive oxygen species with concurrent ablation of glycolytic and tricarboxylic acid cycle intermediates. Finally, our findings in sub-cutaneous and genetically engineered mouse model (K14-CreERtam;LSL-KrasG12D/+;Trp53R172H/+) studies showed a significant reduction in the tumor growth and delayed tumor progression after combination treatment. This study collectively demonstrates that dual targeting may be a critical therapeutic strategy in blocking tumor progression via inducing metabolic alteration and warrants clinical evaluation.
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Affiliation(s)
- Sanjib Chaudhary
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Ramesh Pothuraju
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Satyanarayana Rachagani
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Jawed A Siddiqui
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Pranita Atri
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Kavita Mallya
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Mohd W Nasser
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, 68198, USA; Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Zafar Sayed
- Department of Otolaryngology-Head & Neck Surgery, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Elizabeth R Lyden
- Department of Biostatistics, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Lynette Smith
- Department of Biostatistics, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Siddhartha D Gupta
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, Delhi, 110029, India
| | - Ranju Ralhan
- Department of Otolaryngology-Head & Neck Surgery, Mount Sinai Hospital, Toronto, Ontario, M5G 1X5, Canada
| | - Imayavaramban Lakshmanan
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Dwight T Jones
- Department of Otolaryngology-Head & Neck Surgery, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Apar Kishor Ganti
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, 68198, USA; Division of Oncology-Hematology, Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE, 68105, USA.
| | - Muzafar A Macha
- Watson-Crick Centre for Molecular Medicine, Islamic University of Science and Technology, Awantipora, Jammu and Kashmir, 192122, India.
| | - Surinder K Batra
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, 68198, USA; Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, 68198, USA; Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE, 68198, USA.
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6
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Chen W, Gu M, Gao C, Chen B, Yang J, Xie X, Wang X, Sun J, Wang J. The Prognostic Value and Mechanisms of TMEM16A in Human Cancer. Front Mol Biosci 2021; 8:542156. [PMID: 33681289 PMCID: PMC7930745 DOI: 10.3389/fmolb.2021.542156] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 01/11/2021] [Indexed: 12/24/2022] Open
Abstract
As a calcium ion-dependent chloride channel transmembrane protein 16A (TMEM16A) locates on the cell membrane. Numerous research results have shown that TMEM16A is abnormally expressed in many cancers. Mechanically, TMEM16A participates in cancer proliferation and migration by affecting the MAPK and CAMK signaling pathways. Additionally, it is well documented that TMEM16A exerts a regulative impact on the hyperplasia of cancer cells by interacting with EGFR in head and neck squamous cell carcinoma (HNSCC), an epithelial growth factor receptor in head and neck squamous cell carcinoma respectively. Meanwhile, as an EGFR activator, TMEM16A is considered as an oncogene or a tumor-promoting factor. More and more experimental data showed that down-regulation of TMEM16A or gene targeted therapy may be an effective treatment for cancer. This review summarized its role in various cancers and research advances related to its clinical application included treatment and diagnosis.
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Affiliation(s)
- Wenjian Chen
- Anhui Province Children's Hospital Affiliated to Anhui Medical University, Hefei, China.,School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei, China
| | - Meng Gu
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei, China.,Institute for Liver Diseases of Anhui Medical University, Anhui Medical University, Hefei, China
| | - Chaobing Gao
- Department of Otorhinolaryngology, Head and Neck Surgery, The First Affiliated Hospital of AnHui Medical University, Hefei, China
| | - Bangjie Chen
- First Clinical Medical College of Anhui Medical University, Hefei, China
| | - Junfa Yang
- School of Pharmacy, Anhui Key Laboratory of Bioactivity of Natural Products, Anhui Medical University, Hefei, China.,Institute for Liver Diseases of Anhui Medical University, Anhui Medical University, Hefei, China
| | - Xiaoli Xie
- Anhui Medicine Centralized Procurement Service Center, Hefei, China
| | - Xinyi Wang
- First Clinical Medical College of Anhui Medical University, Hefei, China
| | - Jun Sun
- Anhui Province Children's Hospital Affiliated to Anhui Medical University, Hefei, China
| | - Jinian Wang
- Department of Neurosurgery, The First Affiliated Hospital of Anhui Medical University, Hefei, China
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Bhat AA, Yousuf P, Wani NA, Rizwan A, Chauhan SS, Siddiqi MA, Bedognetti D, El-Rifai W, Frenneaux MP, Batra SK, Haris M, Macha MA. Tumor microenvironment: an evil nexus promoting aggressive head and neck squamous cell carcinoma and avenue for targeted therapy. Signal Transduct Target Ther 2021; 6:12. [PMID: 33436555 PMCID: PMC7804459 DOI: 10.1038/s41392-020-00419-w] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 10/02/2020] [Accepted: 10/15/2020] [Indexed: 12/17/2022] Open
Abstract
Head and neck squamous cell carcinoma (HNSCC) is a very aggressive disease with a poor prognosis for advanced-stage tumors. Recent clinical, genomic, and cellular studies have revealed the highly heterogeneous and immunosuppressive nature of HNSCC. Despite significant advances in multimodal therapeutic interventions, failure to cure and recurrence are common and account for most deaths. It is becoming increasingly apparent that tumor microenvironment (TME) plays a critical role in HNSCC tumorigenesis, promotes the evolution of aggressive tumors and resistance to therapy, and thereby adversely affects the prognosis. A complete understanding of the TME factors, together with the highly complex tumor-stromal interactions, can lead to new therapeutic interventions in HNSCC. Interestingly, different molecular and immune landscapes between HPV+ve and HPV-ve (human papillomavirus) HNSCC tumors offer new opportunities for developing individualized, targeted chemoimmunotherapy (CIT) regimen. This review highlights the current understanding of the complexity between HPV+ve and HPV-ve HNSCC TME and various tumor-stromal cross-talk modulating processes, including epithelial-mesenchymal transition (EMT), anoikis resistance, angiogenesis, immune surveillance, metastatic niche, therapeutic resistance, and development of an aggressive tumor phenotype. Furthermore, we summarize the recent developments and the rationale behind CIT strategies and their clinical applications in HPV+ve and HPV-ve HNSCC.
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Affiliation(s)
- Ajaz A Bhat
- Functional and Molecular Imaging Laboratory, Cancer Research Department, Sidra Medicine, Doha, Qatar
| | - Parvaiz Yousuf
- Department of Zoology, School of Life Sciences, Central University of Kashmir, Ganderbal, Jammu & Kashmir, India
| | - Nissar A Wani
- Functional and Molecular Imaging Laboratory, Cancer Research Department, Sidra Medicine, Doha, Qatar
| | - Arshi Rizwan
- Department of Nephrology, All India Institute of Medical Sciences, New Delhi, India
| | - Shyam S Chauhan
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - Mushtaq A Siddiqi
- Watson-Crick Centre for Molecular Medicine, Islamic University of Science and Technology, Awantipora, Jammu & Kashmir, India
| | - Davide Bedognetti
- Laboratory of Cancer Immunogenomics, Cancer Research Department, Sidra Medicine, Doha, Qatar
| | - Wael El-Rifai
- Department of Surgery, University of Miami, Miami, FL, USA
| | | | - Surinder K Batra
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA.,Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE, USA.,Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA
| | - Mohammad Haris
- Functional and Molecular Imaging Laboratory, Cancer Research Department, Sidra Medicine, Doha, Qatar. .,Laboratory Animal Research Center, Qatar University, Doha, Qatar.
| | - Muzafar A Macha
- Watson-Crick Centre for Molecular Medicine, Islamic University of Science and Technology, Awantipora, Jammu & Kashmir, India.
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8
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Marai GE, Ma C, Burks AT, Pellolio F, Canahuate G, Vock DM, Mohamed ASR, Fuller CD. Precision Risk Analysis of Cancer Therapy with Interactive Nomograms and Survival Plots. IEEE TRANSACTIONS ON VISUALIZATION AND COMPUTER GRAPHICS 2019; 25:1732-1745. [PMID: 29994094 PMCID: PMC6148410 DOI: 10.1109/tvcg.2018.2817557] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
We present the design and evaluation of an integrated problem solving environment for cancer therapy analysis. The environment intertwines a statistical martingale model and a K Nearest Neighbor approach with visual encodings, including novel interactive nomograms, in order to compute and explain a patient's probability of survival as a function of similar patient results. A coordinated views paradigm enables exploration of the multivariate, heterogeneous and few-valued data from a large head and neck cancer repository. A visual scaffolding approach further enables users to build from familiar representations to unfamiliar ones. Evaluation with domain experts show how this visualization approach and set of streamlined workflows enable the systematic and precise analysis of a patient prognosis in the context of cohorts of similar patients. We describe the design lessons learned from this successful, multi-site remote collaboration.
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Panikkanvalappil SR, Garlapati C, Hooshmand N, Aneja R, El-Sayed MA. Monitoring the dynamics of hemeoxygenase-1 activation in head and neck cancer cells in real-time using plasmonically enhanced Raman spectroscopy. Chem Sci 2019; 10:4876-4882. [PMID: 31183038 PMCID: PMC6520930 DOI: 10.1039/c9sc00093c] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Accepted: 03/21/2019] [Indexed: 12/13/2022] Open
Abstract
Real-time monitoring of the dynamics of pharmacologically generated HO-1 in mammalian cells by using plasmonically enhanced Raman spectroscopy (PERS).
We report for the first time the usage of plasmonically enhanced Raman spectroscopy (PERS) to directly monitor the dynamics of pharmacologically generated hemeoxygenase-1 (HO-1) by evaluating the kinetics of formation of carbon monoxide (CO), one of the metabolites of HO-1 activation, in live cells during cisplatin treatment. Being an endogenous signaling molecule, CO plays an important role in cancer regression. Many aspects of HO-1's and CO's functions in biology are still unclear largely due to the lack of technological tools for the real-time monitoring of their dynamics in live cells and tissues. In this study, we found that, together with nuclear region-targeted gold nanocubes (AuNCs), cisplatin treatment can dramatically trigger the activation of HO-1 and thereby the rate and production of CO in mammalian cells in a dose-dependent manner. Though quantitative molecular data revealed that a lower concentration of cisplatin up-regulates HO-1 expression in cancer cells, PERS data suggest that it poorly facilitates the activation of HO-1 and thereby the production of CO. However, at a higher dose, cisplatin along with AuNCs could significantly enhance the activation of HO-1 in cancer cells, which could be probed in real-time by monitoring the CO generation by using PERS. Under the same conditions, the rate of formation of CO in healthy cells was relatively higher in comparison to the cancer cells. Additionally, molecular data revealed that AuNCs have the potential to suppress the up-regulation of HO-1 in cancer cells during cisplatin treatment at a lower concentration. As up-regulation of HO-1 has a significant role in cell adaptation to oxidative stress in cancer cells, the ability of AuNCs in suppressing the HO-1 overexpression will have a remarkable impact in the development of nanoformulations for combination cancer therapy. This exploratory study demonstrates the unique possibilities of PERS in the real-time monitoring of endogenously generated CO and thereby the dynamics of HO-1 in live cells, which could expedite our understanding of the signaling action of CO and HO-1 in cancer progression.
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Affiliation(s)
- Sajanlal R Panikkanvalappil
- Laser Dynamics Laboratory , School of Chemistry and Biochemistry , Georgia Institute of Technology , Atlanta , Georgia 30332 , USA .
| | | | - Nasrin Hooshmand
- Laser Dynamics Laboratory , School of Chemistry and Biochemistry , Georgia Institute of Technology , Atlanta , Georgia 30332 , USA .
| | - Ritu Aneja
- Georgia State University , Department of Biology , Atlanta , GA , USA
| | - Mostafa A El-Sayed
- Laser Dynamics Laboratory , School of Chemistry and Biochemistry , Georgia Institute of Technology , Atlanta , Georgia 30332 , USA .
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10
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Zhang L, Li Z, Liu Y, Xu S, Tandon M, Appelboom B, LaValle CR, Chiosea SI, Wang L, Sen M, Lui VWY, Grandis JR, Wang QJ. Analysis of oncogenic activities of protein kinase D1 in head and neck squamous cell carcinoma. BMC Cancer 2018; 18:1107. [PMID: 30419840 PMCID: PMC6233608 DOI: 10.1186/s12885-018-4965-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Accepted: 10/17/2018] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Head and neck squamous cell carcinoma (HNSCC) is the sixth leading cause of cancer death in the US. The protein kinase D (PKD) family has emerged as a promising target for cancer therapy with PKD1 being most intensively studied; however, its role in HNSCC has not been investigated. METHODS The expression of PKD was evaluated in human HNSCC by quantitative RT-PCR, Western blot and immunohistochemistry. Cell proliferation, wound healing, and matrigel invasion assays were performed upon siRNA-mediated knockdown of PKD1 in HNSCC cells, and subcutaneous xenograft mouse model was established by implantation of the stable doxycycline (Dox)-inducible PKD1 expression cell lines for analysis of tumorigenic activity in vivo. RESULTS PKD1 was frequently downregulated in HNSCC cell lines at both transcript and protein levels. In human HNSCC tissues, PKD1 was significantly down-regulated in localized tumors and metastases, and in patient-paired tumor tissues as compared to their normal counterparts, which was in part due to epigenetic modification of the PRKD1 gene. The function of PKD1 in HNSCC was analyzed using stable doxycycline-inducible cell lines that express native or constitutive-active PKD1. Upon induction, the rate of proliferation, survival, migration and invasion of HNSCC cells did not differ significantly between the control and PKD1 overexpressing cells in the basal state, and depletion of endogenous PKD1 did not impact the proliferation of HNSCC cells. However, the median growth rate of the subcutaneous HNSCC tumor xenografts over time was elevated with PKD1 induction, and the final tumor weight was significantly increased in Dox-induced vs. the non-induced tumors. Moreover, induced expression of PKD1 promoted bombesin-induced cell proliferation of HNSCC and resulted in sustained ERK1/2 activation in response to gastrin-releasing peptide or bombesin stimulation, suggesting that PKD1 potentiates GRP/bombesin-induced mitogenic response through the activation of ERK1/2 in HSNCC cells. CONCLUSIONS Our study has identified PKD1 as a frequently downregulated gene in HNSCC, and functionally, under certain cellular context, may play a role in GRP/bombesin-induced oncogenesis in HNSCC.
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Affiliation(s)
- Liyong Zhang
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, E1354 BST, Pittsburgh, PA 15261 USA
| | - Zhihong Li
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, E1354 BST, Pittsburgh, PA 15261 USA
- Department of Biochemistry, China Three Gorges University, Yichang, Hubei Province People’s Republic of China 443002
| | - Yehai Liu
- Department of Otolaryngology, Head and Neck Surgery, First Affiliated Hospital of Anhui Medical University, Hefei, Anhui Province People’s Republic of China 230022
| | - Shuping Xu
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, E1354 BST, Pittsburgh, PA 15261 USA
| | - Manuj Tandon
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, E1354 BST, Pittsburgh, PA 15261 USA
| | - Brittany Appelboom
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, E1354 BST, Pittsburgh, PA 15261 USA
| | - Courtney R. LaValle
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, E1354 BST, Pittsburgh, PA 15261 USA
| | - Simion I. Chiosea
- Department of Pathology, University of Pittsburgh, Pittsburgh, PA 15261 USA
| | - Lin Wang
- Department of Otolaryngology, University of Pittsburgh, Pittsburgh, PA 15261 USA
| | - Malabika Sen
- Department of Otolaryngology, University of Pittsburgh, Pittsburgh, PA 15261 USA
| | - Vivian W. Y. Lui
- School of Biomedical Sciences, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong, Hong Kong SAR
| | - Jennifer R. Grandis
- Department of Otolaryngology, University of Pittsburgh, Pittsburgh, PA 15261 USA
- Present address: Otolaryngology/Head and Neck Surgery, University of California, San Francisco, CA 94115 USA
| | - Q. Jane Wang
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, E1354 BST, Pittsburgh, PA 15261 USA
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11
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Sambandam Y, Ethiraj P, Hathaway-Schrader JD, Novince CM, Panneerselvam E, Sundaram K, Reddy SV. Autoregulation of RANK ligand in oral squamous cell carcinoma tumor cells. J Cell Physiol 2018; 233:6125-6134. [PMID: 29323724 DOI: 10.1002/jcp.26456] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Accepted: 01/05/2018] [Indexed: 12/16/2022]
Abstract
Oral squamous cell carcinoma (OSCC) is the most common malignancy among oral cancers and shows potent activity for local bone invasion. Receptor activator of nuclear factor κB (RANK) ligand (RANKL) is critical for bone-resorbing osteoclast formation. We previously demonstrated that OSCC tumor cells express high levels of RANKL. In this study, confocal microscopy demonstrated RANKL specific receptor, RANK expression in OSCC tumor cell lines (SCC1, SCC12, and SCC14a). We also confirmed the expression of RANK and RANKL in primary human OSCC tumor specimens. However, regulatory mechanisms of RANKL expression and a functional role in OSCC tumor progression are unclear. Interestingly, we identified that RANKL expression is autoregulated in OSCC tumor cells. The RANKL specific inhibitor osteoprotegerin (OPG) treatment to OSCC cells inhibits autoregulation of RANKL expression. Further, we showed conditioned media from RANKL CRISPR-Cas9 knockout OSCC cells significantly decreased osteoclast formation and bone resorption activity. In addition, RANKL increases OSCC tumor cell proliferation. RANKL treatment to OSCC cells demonstrated a dose-dependent increase in RANK intracellular adaptor protein, TRAF6 expression, and activation of IKK and IκB signaling molecules. We further identified that transcription factor NFATc2 mediates autoregulation of RANKL expression in OSCC cells. Thus, our results implicate RANKL autoregulation as a novel mechanism that facilitates OSCC tumor cell growth and osteoclast differentiation/bone destruction.
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Affiliation(s)
- Yuvaraj Sambandam
- Department of Pediatrics/Endocrinology, Darby Children's Research Institute, Medical University of South Carolina, Charleston, South Carolina
| | - Purushoth Ethiraj
- Department of Pediatrics/Endocrinology, Darby Children's Research Institute, Medical University of South Carolina, Charleston, South Carolina
| | - Jessica D Hathaway-Schrader
- Department of Oral Health Sciences, College of Dental Medicine, Medical University of South Carolina, Charleston, South Carolina
| | - Chad M Novince
- Department of Oral Health Sciences, College of Dental Medicine, Medical University of South Carolina, Charleston, South Carolina
| | - Ezhil Panneerselvam
- Department of Pediatrics/Endocrinology, Darby Children's Research Institute, Medical University of South Carolina, Charleston, South Carolina
| | | | - Sakamuri V Reddy
- Department of Pediatrics/Endocrinology, Darby Children's Research Institute, Medical University of South Carolina, Charleston, South Carolina
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12
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Tsubaki M, Fujiwara D, Takeda T, Kino T, Tomonari Y, Itoh T, Imano M, Satou T, Sakaguchi K, Nishida S. The sensitivity of head and neck carcinoma cells to statins is related to the expression of their Ras expression status, and statin-induced apoptosis is mediated via suppression of the Ras/ERK and Ras/mTOR pathways. Clin Exp Pharmacol Physiol 2017; 44:222-234. [PMID: 27805296 DOI: 10.1111/1440-1681.12690] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Revised: 10/25/2016] [Accepted: 10/27/2016] [Indexed: 12/30/2022]
Abstract
Statins induce apoptosis of tumour cells by inhibiting the prenylation of small G-proteins. However, the details of the apoptosis-inducing mechanisms remain poorly understood. The present study showed that the induction of apoptosis by statins in four different human head and neck squamous cell carcinoma (HNSCC) cell lines, HSC-3, HEp-2, Ca9-22, and SAS cells was mediated by increased caspase-3 activity. Statins induced apoptosis by the suppression of geranylgeranyl pyrophosphate biosynthesis. Furthermore, statins decreased the levels of phosphorylated ERK and mTOR by inhibiting the membrane localization of Ras and enhancing Bim expression in HSC-3 and HEp-2 cells. We also found that in all the cell types analyzed, the IC50 values for fluvastatin and simvastatin were highest in HEp-2 cells. In addition, HSC-3, Ca9-22, and SAS cells had higher Ras expression and membrane localization, higher activation of ERK1/2 and mTOR, and lower levels of Bim expression than HEp-2 cells. Our results indicate that statins induce apoptosis by increasing the activation of caspase-3 and by enhancing Bim expression through inhibition of the Ras/ERK and Ras/mTOR pathways. Furthermore, the sensitivity of HNSCC cells to statin treatment was closely related to Ras expression and prenylation levels, indicating that statins may act more effectively against tumours with high Ras expression and Ras-variability. Therefore, our findings support the use of statins as potential anticancer agents.
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Affiliation(s)
- Masanobu Tsubaki
- Division of Pharmacotherapy, Kindai University School of Pharmacy, Kowakae, Higashi-Osaka, Japan
| | - Daichiro Fujiwara
- Division of Pharmacotherapy, Kindai University School of Pharmacy, Kowakae, Higashi-Osaka, Japan.,Department of Pharmacy, Japanese Red Cross Society Wakayama Medical Center, Wakayama, Japan
| | - Tomoya Takeda
- Division of Pharmacotherapy, Kindai University School of Pharmacy, Kowakae, Higashi-Osaka, Japan
| | - Toshiki Kino
- Division of Pharmacotherapy, Kindai University School of Pharmacy, Kowakae, Higashi-Osaka, Japan
| | - Yoshika Tomonari
- Division of Pharmacotherapy, Kindai University School of Pharmacy, Kowakae, Higashi-Osaka, Japan
| | - Tatsuki Itoh
- Department of Food Science and Nutrition, Kindai University School of Agriculture, Nara, Nara, Japan
| | - Motohiro Imano
- Department of Surgery, Kindai University School of Medicine, Osakasayama, Osaka, Japan
| | - Takao Satou
- Department of Pathology, Kindai University School of Medicine, Osakasayama, Osaka, Japan
| | - Katsuhiko Sakaguchi
- Department of Pharmacy, Japanese Red Cross Society Wakayama Medical Center, Wakayama, Japan
| | - Shozo Nishida
- Division of Pharmacotherapy, Kindai University School of Pharmacy, Kowakae, Higashi-Osaka, Japan
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13
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Immuno-PET imaging based radioimmunotherapy in head and neck squamous cell carcinoma model. Oncotarget 2017; 8:92090-92105. [PMID: 29190900 PMCID: PMC5696166 DOI: 10.18632/oncotarget.20760] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Accepted: 08/04/2017] [Indexed: 11/25/2022] Open
Abstract
The epidermal growth factor receptor (EGFR) is one of the most comprehensively studied molecular targets in head and neck squamous cell carcinoma (HNSCC). However, inherent and acquired resistance are serious problems and are responsible for limited clinical efficacy and tumor recurrence. In this study, we evaluated the feasibility of immuno-positron emission tomography (PET) imaging and radioimmunotherapy (RIT) with 64Cu-/177Lu-PCTA-cetuximab in cetuximab-resistant SNU-1066 HNSCC xenografted model. The cellular uptake of 64Cu/177Lu-3,6,9,15-tetraazabicyclo[9.3.1]-pentadeca-1(15),11,13-triene-3,6,9,-triacetic acid (PCTA)-cetuximab showed good correlation with western blot and flow cytometry analysis in EGFR expression level of various HNSCC cells. 177Lu-PCTA-cetuximab selectively killed cetuximab-resistant SNU-1066 cells in vitro. 64Cu-/177Lu-PCTA-cetuximab specifically accumulated in SNU-1066 tumor and those uptakes were peaked at 48 h and 7 day, respectively in biodistribution, PET and single-photon emission computed tomography/computed tomography (SPECT/CT) imaging. RIT with single dose of 177Lu-PCTA-cetuximab exhibited significant tumor regression and markedly reduced 2-[18F]fluoro-2-deoxy-D-glucose (18F-FDG) uptake, compared to other groups. Proliferation index were dramatically decreased and apoptotic index increased in RIT group. These results suggest that a diagnostic and therapeutic convergence radiopharmaceutical, 64Cu-/177Lu-PCTA-cetuximab has the potential of target selection using immuno-PET imaging and targeted therapy by RIT in EGFR expressing cetuximab-resistant HNSCC tumors.
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14
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Synergistic anti-cancer effects of epigenetic drugs on medulloblastoma cells. Cell Oncol (Dordr) 2017; 40:263-279. [PMID: 28429280 DOI: 10.1007/s13402-017-0319-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/14/2017] [Indexed: 12/23/2022] Open
Abstract
PURPOSE Medulloblastomas are aggressive brain malignancies. While considerable progress has been made in the treatment of medulloblastoma patients with respect to overall survival, these patients are still at risk of developing neurologic and cognitive deficits as a result of anti-cancer therapies. It is hypothesized that targeted molecular therapies represent a better treatment option for medulloblastoma patients. Therefore, the aim of the present study was to test a panel of epigenetic drugs for their effect on medulloblastoma cells under mild hypoxic conditions that reflect the physiological concentrations of oxygen in the brain. METHODS Protein levels of histone deacetylase 1 (HDAC1) and DNA methyltransferase 1 (DNMT1) in medulloblastoma-derived cells (Daoy and D283 Med), as well as in developing and differentiated brain cells, were determined and compared. Class I and II histone deacetylase inhibitors (HDACi) and a DNMT inhibitor, 5-aza-2'-deoxycytidine (5-aza-dC), were applied to Daoy and D283 Med cells, and their effects were studied using viability, apoptosis and cancer sphere assays. RESULTS We found that in HDAC1 and DNMT1 overexpressing medulloblastoma-derived cells, cell death was induced under various epigenetic drug conditions tested. At low HDACi concentrations, however, a pro-proliferative effect was observed. Parthenolide, a drug that affects cancer stem cells, was found to be efficient in inducing cell death in both cell lines tested. In contrast, we found that Daoy cells were more resistant to 5-aza-dC than D283 Med cells. When suberoylanilide hydroxamic acid (SAHA) and parthenolide were individually applied to both cell lines in combination with 5-aza-dC, a synergistic effect on cell survival was observed. CONCLUSIONS Our current results suggest that the application of HDACi in combination with drugs that target DNMT may represent a promising option for the treatment of medulloblastoma.
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Abstract
Head and neck cancer patients suffer from toxicities, morbidities, and mortalities, and these ailments could be minimized through improved therapies. Drug discovery is a long, expensive, and complex process, so optimized assays can improve the success rate of drug candidates. This study applies optical imaging of cell metabolism to three-dimensional in vitro cultures of head and neck cancer grown from primary tumor tissue (organoids). This technique is advantageous because it measures cell metabolism using intrinsic fluorescence from NAD(P)H and FAD on a single cell level for a three-dimensional in vitro model. Head and neck cancer organoids are characterized alone and after treatment with standard therapies, including an antibody therapy, a chemotherapy, and combination therapy. Additionally, organoid cellular heterogeneity is analyzed quantitatively and qualitatively. Gold standard measures of treatment response, including cell proliferation, cell death, and in vivo tumor volume, validate therapeutic efficacy for each treatment group in a parallel study. Results indicate that optical metabolic imaging is sensitive to therapeutic response in organoids after 1 day of treatment (p<0.05) and resolves cell subpopulations with distinct metabolic phenotypes. Ultimately, this platform could provide a sensitive high-throughput assay to streamline the drug discovery process for head and neck cancer.
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16
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Shah AT, Diggins KE, Walsh AJ, Irish JM, Skala MC. In Vivo Autofluorescence Imaging of Tumor Heterogeneity in Response to Treatment. Neoplasia 2016; 17:862-870. [PMID: 26696368 PMCID: PMC4688562 DOI: 10.1016/j.neo.2015.11.006] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2015] [Revised: 11/11/2015] [Accepted: 11/16/2015] [Indexed: 12/20/2022] Open
Abstract
Subpopulations of cells that escape anti-cancer treatment can cause relapse in cancer patients. Therefore, measurements of cellular-level tumor heterogeneity could enable improved anti-cancer treatment regimens. Cancer exhibits altered cellular metabolism, which affects the autofluorescence of metabolic cofactors NAD(P)H and FAD. The optical redox ratio (fluorescence intensity of NAD(P)H divided by FAD) reflects global cellular metabolism. The fluorescence lifetime (amount of time a fluorophore is in the excited state) is sensitive to microenvironment, particularly protein-binding. High-resolution imaging of the optical redox ratio and fluorescence lifetimes of NAD(P)H and FAD (optical metabolic imaging) enables single-cell analyses. In this study, mice with FaDu tumors were treated with the antibody therapy cetuximab or the chemotherapy cisplatin and imaged in vivo two days after treatment. Results indicate that fluorescence lifetimes of NAD(P)H and FAD are sensitive to early response (two days post-treatment, P < .05), compared with decreases in tumor size (nine days post-treatment, P < .05). Frequency histogram analysis of individual optical metabolic imaging parameters identifies subpopulations of cells, and a new heterogeneity index enables quantitative comparisons of cellular heterogeneity across treatment groups for individual variables. Additionally, a dimensionality reduction technique (viSNE) enables holistic visualization of multivariate optical measures of cellular heterogeneity. These analyses indicate increased heterogeneity in the cetuximab and cisplatin treatment groups compared with the control group. Overall, the combination of optical metabolic imaging and cellular-level analyses provide novel, quantitative insights into tumor heterogeneity.
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Affiliation(s)
- Amy T Shah
- Department of Biomedical Engineering, Vanderbilt University, Station B, Box 1631, Nashville, TN, 37235, USA
| | - Kirsten E Diggins
- Department of Cancer Biology, Vanderbilt University, Nashville, TN 37232, USA
| | - Alex J Walsh
- Department of Biomedical Engineering, Vanderbilt University, Station B, Box 1631, Nashville, TN, 37235, USA
| | - Jonathan M Irish
- Department of Cancer Biology, Vanderbilt University, Nashville, TN 37232, USA; Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Melissa C Skala
- Department of Biomedical Engineering, Vanderbilt University, Station B, Box 1631, Nashville, TN, 37235, USA; Department of Cancer Biology, Vanderbilt University, Nashville, TN 37232, USA.
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17
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Braunholz D, Saki M, Niehr F, Öztürk M, Borràs Puértolas B, Konschak R, Budach V, Tinhofer I. Spheroid Culture of Head and Neck Cancer Cells Reveals an Important Role of EGFR Signalling in Anchorage Independent Survival. PLoS One 2016; 11:e0163149. [PMID: 27643613 PMCID: PMC5028019 DOI: 10.1371/journal.pone.0163149] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Accepted: 09/02/2016] [Indexed: 12/30/2022] Open
Abstract
In solid tumours millions of cells are shed into the blood circulation each day. Only a subset of these circulating tumour cells (CTCs) survive, many of them presumable because of their potential to form multi-cellular clusters also named spheroids. Tumour cells within these spheroids are protected from anoikis, which allows them to metastasize to distant organs or re-seed at the primary site. We used spheroid cultures of head and neck squamous cell carcinoma (HNSCC) cell lines as a model for such CTC clusters for determining the role of the epidermal growth factor receptor (EGFR) in cluster formation ability and cell survival after detachment from the extra-cellular matrix. The HNSCC cell lines FaDu, SCC-9 and UT-SCC-9 (UT-SCC-9P) as well as its cetuximab (CTX)-resistant sub-clone (UT-SCC-9R) were forced to grow in an anchorage-independent manner by coating culture dishes with the anti-adhesive polymer poly-2-hydroxyethylmethacrylate (poly-HEMA). The extent of apoptosis, clonogenic survival and EGFR signalling under such culture conditions was evaluated. The potential of spheroid formation in suspension culture was found to be positively correlated with the proliferation rate of HNSCC cell lines as well as their basal EGFR expression levels. CTX and gefitinib blocked, whereas the addition of EGFR ligands promoted anchorage-independent cell survival and spheroid formation. Increased spheroid formation and growth were associated with persistent activation of EGFR and its downstream signalling component (MAPK/ERK). Importantly, HNSCC cells derived from spheroid cultures retained their clonogenic potential in the absence of cell-matrix contact. Addition of CTX under these conditions strongly inhibited colony formation in CTX-sensitive cell lines but not their resistant subclones. Altogether, EGFR activation was identified as crucial factor for anchorage-independent survival of HNSCC cells. Targeting EGFR in CTC cluster formation might represent an attractive anti-metastatic treatment approach in HNSCC.
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Affiliation(s)
- Diana Braunholz
- Translational Radiooncology and Radiobiology Research Laboratory, Department of Radiooncology and Radiotherapy, Charité University Hospital Berlin, Berlin, Germany
- German Cancer Consortium (DKTK), Deutsches Krebsforschungszentrum (DKFZ), Partner Site Berlin, Charité University Hospital Berlin, Berlin, Germany
| | - Mohammad Saki
- Translational Radiooncology and Radiobiology Research Laboratory, Department of Radiooncology and Radiotherapy, Charité University Hospital Berlin, Berlin, Germany
- German Cancer Consortium (DKTK), Deutsches Krebsforschungszentrum (DKFZ), Partner Site Berlin, Charité University Hospital Berlin, Berlin, Germany
| | - Franziska Niehr
- Translational Radiooncology and Radiobiology Research Laboratory, Department of Radiooncology and Radiotherapy, Charité University Hospital Berlin, Berlin, Germany
- German Cancer Consortium (DKTK), Deutsches Krebsforschungszentrum (DKFZ), Partner Site Berlin, Charité University Hospital Berlin, Berlin, Germany
| | - Merve Öztürk
- Translational Radiooncology and Radiobiology Research Laboratory, Department of Radiooncology and Radiotherapy, Charité University Hospital Berlin, Berlin, Germany
| | - Berta Borràs Puértolas
- Translational Radiooncology and Radiobiology Research Laboratory, Department of Radiooncology and Radiotherapy, Charité University Hospital Berlin, Berlin, Germany
| | - Robert Konschak
- Translational Radiooncology and Radiobiology Research Laboratory, Department of Radiooncology and Radiotherapy, Charité University Hospital Berlin, Berlin, Germany
- German Cancer Consortium (DKTK), Deutsches Krebsforschungszentrum (DKFZ), Partner Site Berlin, Charité University Hospital Berlin, Berlin, Germany
| | - Volker Budach
- Translational Radiooncology and Radiobiology Research Laboratory, Department of Radiooncology and Radiotherapy, Charité University Hospital Berlin, Berlin, Germany
| | - Ingeborg Tinhofer
- Translational Radiooncology and Radiobiology Research Laboratory, Department of Radiooncology and Radiotherapy, Charité University Hospital Berlin, Berlin, Germany
- German Cancer Consortium (DKTK), Deutsches Krebsforschungszentrum (DKFZ), Partner Site Berlin, Charité University Hospital Berlin, Berlin, Germany
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18
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Borges GÁ, Rêgo DF, Assad DX, Coletta RD, De Luca Canto G, Guerra ENS. In vivoandin vitroeffects of curcumin on head and neck carcinoma: a systematic review. J Oral Pathol Med 2016; 46:3-20. [DOI: 10.1111/jop.12455] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/23/2016] [Indexed: 12/13/2022]
Affiliation(s)
- Gabriel Álvares Borges
- Laboratory of Oral Histopathology; Health Sciences Faculty; University of Brasília; Brasília Brazil
| | - Daniela Fortunato Rêgo
- Laboratory of Oral Histopathology; Health Sciences Faculty; University of Brasília; Brasília Brazil
| | - Daniele Xavier Assad
- Laboratory of Oral Histopathology; Health Sciences Faculty; University of Brasília; Brasília Brazil
- Hospital Sírio-Libanês; Brasília Brazil
| | - Ricardo D. Coletta
- Department of Oral Diagnosis; School of Dentistry; University of Campinas; Piracicaba São Paulo Brazil
| | - Graziela De Luca Canto
- Department of Dentistry; Brazilian Centre for Evidence-Based Research; Federal University of Santa Catarina; Florianopolis Brazil
- School of Dentistry; Faculty of Medicine and Dentistry; University of Alberta; Edmonton AB Canada
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Bill A, Gutierrez A, Kulkarni S, Kemp C, Bonenfant D, Voshol H, Duvvuri U, Gaither LA. ANO1/TMEM16A interacts with EGFR and correlates with sensitivity to EGFR-targeting therapy in head and neck cancer. Oncotarget 2016; 6:9173-88. [PMID: 25823819 PMCID: PMC4496210 DOI: 10.18632/oncotarget.3277] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2014] [Accepted: 02/07/2015] [Indexed: 12/23/2022] Open
Abstract
The epidermal growth factor receptor (EGFR) contributes to the pathogenesis of head&neck squamous cell carcinoma (HNSCC). However, only a subset of HNSCC patients benefit from anti-EGFR targeted therapy. By performing an unbiased proteomics screen, we found that the calcium-activated chloride channel ANO1 interacts with EGFR and facilitates EGFR-signaling in HNSCC. Using structural mutants of EGFR and ANO1 we identified the trans/juxtamembrane domain of EGFR to be critical for the interaction with ANO1. Our results show that ANO1 and EGFR form a functional complex that jointly regulates HNSCC cell proliferation. Expression of ANO1 affected EGFR stability, while EGFR-signaling elevated ANO1 protein levels, establishing a functional and regulatory link between ANO1 and EGFR. Co-inhibition of EGFR and ANO1 had an additive effect on HNSCC cell proliferation, suggesting that co-targeting of ANO1 and EGFR could enhance the clinical potential of EGFR-targeted therapy in HNSCC and might circumvent the development of resistance to single agent therapy. HNSCC cell lines with amplification and high expression of ANO1 showed enhanced sensitivity to Gefitinib, suggesting ANO1 overexpression as a predictive marker for the response to EGFR-targeting agents in HNSCC therapy. Taken together, our results introduce ANO1 as a promising target and/or biomarker for EGFR-directed therapy in HNSCC.
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Affiliation(s)
- Anke Bill
- Novartis Institutes for Biomedical Research, Cambridge, MA 02139, USA
| | - Abraham Gutierrez
- Novartis Institutes for Biomedical Research, Cambridge, MA 02139, USA
| | - Sucheta Kulkarni
- University of Pittsburgh, Medical Center, Department of Otolaryngology, Pittsburgh, PA 15213, USA
| | - Carolyn Kemp
- University of Pittsburgh, Medical Center, Department of Otolaryngology, Pittsburgh, PA 15213, USA
| | - Debora Bonenfant
- Novartis Institutes for Biomedical Research, Basel, CH-4002, Switzerland
| | - Hans Voshol
- Novartis Institutes for Biomedical Research, Basel, CH-4002, Switzerland
| | - Umamaheswar Duvvuri
- University of Pittsburgh, Medical Center, Department of Otolaryngology, Pittsburgh, PA 15213, USA.,VA Pittsburgh HealthCare System, Pittsburgh, PA 15213, USA
| | - L Alex Gaither
- Novartis Institutes for Biomedical Research, Cambridge, MA 02139, USA
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20
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Jain NS, Dürr UH, Ramamoorthy A. Bioanalytical methods for metabolomic profiling: Detection of head and neck cancer, including oral cancer. CHINESE CHEM LETT 2015. [DOI: 10.1016/j.cclet.2015.03.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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21
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Abstract
In addition to the physical advantages (Bragg peak), the use of charged particles in cancer therapy can be associated with distinct biological effects compared to X-rays. While heavy ions (densely ionizing radiation) are known to have an energy- and charge-dependent increased Relative Biological Effectiveness (RBE), protons should not be very different from sparsely ionizing photons. A slightly increased biological effectiveness is taken into account in proton treatment planning by assuming a fixed RBE of 1.1 for the whole radiation field. However, data emerging from recent studies suggest that, for several end points of clinical relevance, the biological response is differentially modulated by protons compared to photons. In parallel, research in the field of medical physics highlighted how variations in RBE that are currently neglected might actually result in deposition of significant doses in healthy organs. This seems to be relevant in particular for normal tissues in the entrance region and for organs at risk close behind the tumor. All these aspects will be considered and discussed in this review, highlighting how a re-discussion of the role of a variable RBE in proton therapy might be well-timed.
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22
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Xi Y, Gao H, Callaghan MU, Fribley AM, Garshott DM, Xu ZX, Zeng Q, Li YL. Induction of BCL2-Interacting Killer, BIK, is Mediated for Anti-Cancer Activity of Curcumin in Human Head and Neck Squamous Cell Carcinoma Cells. J Cancer 2015; 6:327-32. [PMID: 25767602 PMCID: PMC4349872 DOI: 10.7150/jca.11185] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2014] [Accepted: 01/03/2015] [Indexed: 02/07/2023] Open
Abstract
Naturally occurring diarylheptanoid curcumin (CUR), a principal component of the Asian spice turmeric, has been shown to have anti-cancer effects in many tumor types. However, a detailed mechanism regarding CUR induced tumor cell killing remain to be comprehensively explored. Using two head neck squamous cell carcinoma (HNSCC) cell lines FaDu (hypopharyngeal) and Cal27 (tongue), we demonstrated a novel mechanism by which CUR levies the cytotoxic effect. We found that CUR induced upregulation of pro-apoptotic Bik, down-regulation of survival signaling by AKT and NF-κB prior to the induction of the caspase-cascade reduction of cell proliferation, are primary mechanisms of CUR-induced cell death, thus providing insights into the anti-tumor activity of CUR in HNSCC cells.
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Affiliation(s)
- Yue Xi
- 1. The Key Laboratory of Pathobiology, Ministry of Education, Norman Bethune College of Medicine, Jilin University, Changchun 130021, China ; 2. Carmen and Ann Adams Department of Pediatrics, Department of Otolaryngology, Wayne State University, Detroit, MI 48201, USA
| | - Hang Gao
- 1. The Key Laboratory of Pathobiology, Ministry of Education, Norman Bethune College of Medicine, Jilin University, Changchun 130021, China
| | - Michael U Callaghan
- 2. Carmen and Ann Adams Department of Pediatrics, Department of Otolaryngology, Wayne State University, Detroit, MI 48201, USA
| | - Andrew M Fribley
- 2. Carmen and Ann Adams Department of Pediatrics, Department of Otolaryngology, Wayne State University, Detroit, MI 48201, USA ; 3. Molecular Therapeutics Program, Karmanos Cancer Institute, Detroit, MI 48201, USA
| | - Danielle M Garshott
- 2. Carmen and Ann Adams Department of Pediatrics, Department of Otolaryngology, Wayne State University, Detroit, MI 48201, USA
| | - Zhi-Xiang Xu
- 1. The Key Laboratory of Pathobiology, Ministry of Education, Norman Bethune College of Medicine, Jilin University, Changchun 130021, China ; 4. Division of Hematology/Oncology, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, 35294, USA
| | - Qinghua Zeng
- 1. The Key Laboratory of Pathobiology, Ministry of Education, Norman Bethune College of Medicine, Jilin University, Changchun 130021, China ; 4. Division of Hematology/Oncology, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, 35294, USA
| | - Yu-Lin Li
- 1. The Key Laboratory of Pathobiology, Ministry of Education, Norman Bethune College of Medicine, Jilin University, Changchun 130021, China
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23
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Fumagalli I, Dugue D, Bibault JE, Clémenson C, Vozenin MC, Mondini M, Deutsch E. Cytotoxic effect of lapatinib is restricted to human papillomavirus-positive head and neck squamous cell carcinoma cell lines. Onco Targets Ther 2015; 8:335-45. [PMID: 25678800 PMCID: PMC4322874 DOI: 10.2147/ott.s68235] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Background Lapatinib is a dual epidermal growth factor receptor (EGFR) and HER2 inhibitor. Overexpression of these receptors is frequently observed in head and neck squamous cell carcinoma (HNSCC). As growing proportion of HNSCC is characterized by human papillomavirus (HPV) infection, we aimed at evaluating the efficacy of lapatinib as function of HPV status in HNSCC cell lines. Methods Two HPV-positive and two HPV-negative HNSCC cell lines were used. Proliferation, cell cycle, and Annexin V assays were performed to test their sensitivity to lapatinib. Combination of lapatinib and ionizing radiation was evaluated with clonogenic survival assays. Akt, EGFR and HER2, and E6/E7 expression and activation were analyzed by immunoblotting and quantitative reverse transcription polymerase chain reaction. Results Lapatinib reduced E6 and E7 expression and Akt phosphorylation, inhibited cell proliferation and induced cell death in HPV-positive cell lines. An additive effect of lapatinib with radiation was observed in these cells. Lapatinib had no effect on HPV-negative cells. Conclusion Lapatinib efficacy restricted to the HPV-positive cells suggests that HPV status could be a potential marker for enhanced response to lapatinib in HNSCC.
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Affiliation(s)
- Ingrid Fumagalli
- Inserm U1030, Molecular Radiotherapy, LABEX LERMIT, Gustave Roussy, University Paris XI, Villejuif, France ; Radiation Therapy Department, Oscar Lambret Comprehensive Cancer Center, Lille, France
| | - Delphine Dugue
- Inserm U1030, Molecular Radiotherapy, LABEX LERMIT, Gustave Roussy, University Paris XI, Villejuif, France
| | - Jean Emmanuel Bibault
- Inserm U1030, Molecular Radiotherapy, LABEX LERMIT, Gustave Roussy, University Paris XI, Villejuif, France ; Radiation Therapy Department, Oscar Lambret Comprehensive Cancer Center, Lille, France
| | - Céline Clémenson
- Inserm U1030, Molecular Radiotherapy, LABEX LERMIT, Gustave Roussy, University Paris XI, Villejuif, France
| | - Marie Catherine Vozenin
- Inserm U1030, Molecular Radiotherapy, LABEX LERMIT, Gustave Roussy, University Paris XI, Villejuif, France
| | - Michele Mondini
- Inserm U1030, Molecular Radiotherapy, LABEX LERMIT, Gustave Roussy, University Paris XI, Villejuif, France
| | - Eric Deutsch
- Inserm U1030, Molecular Radiotherapy, LABEX LERMIT, Gustave Roussy, University Paris XI, Villejuif, France ; Department of Radiation Oncology, Gustave Roussy, University Paris XI, Villejuif, France
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Tyrosine 370 phosphorylation of ATM positively regulates DNA damage response. Cell Res 2015; 25:225-36. [PMID: 25601159 DOI: 10.1038/cr.2015.8] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2014] [Revised: 09/25/2014] [Accepted: 10/22/2014] [Indexed: 11/08/2022] Open
Abstract
Ataxia telangiectasia mutated (ATM) mediates DNA damage response by controling irradiation-induced foci formation, cell cycle checkpoint, and apoptosis. However, how upstream signaling regulates ATM is not completely understood. Here, we show that upon irradiation stimulation, ATM associates with and is phosphorylated by epidermal growth factor receptor (EGFR) at Tyr370 (Y370) at the site of DNA double-strand breaks. Depletion of endogenous EGFR impairs ATM-mediated foci formation, homologous recombination, and DNA repair. Moreover, pretreatment with an EGFR kinase inhibitor, gefitinib, blocks EGFR and ATM association, hinders CHK2 activation and subsequent foci formation, and increases radiosensitivity. Thus, we reveal a critical mechanism by which EGFR directly regulates ATM activation in DNA damage response, and our results suggest that the status of ATM Y370 phosphorylation has the potential to serve as a biomarker to stratify patients for either radiotherapy alone or in combination with EGFR inhibition.
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Affiliation(s)
- Vassiliki Saloura
- Department of Medicine and Comprehensive Cancer Research Center, University of Chicago Medicine and Biological Sciences, 5841 S Maryland Avenue, MC2115, Chicago, IL 60637, USA
| | - Everett E Vokes
- Department of Medicine and Comprehensive Cancer Research Center, University of Chicago Medicine and Biological Sciences, 5841 S Maryland Avenue, MC2115, Chicago, IL 60637, USA.
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Tada Y, Kokabu S, Sugiyama G, Nakatomi C, Aoki K, Fukushima H, Osawa K, Sugamori Y, Ohya K, Okamoto M, Fujikawa T, Itai A, Matsuo K, Watanabe S, Jimi E. The novel IκB kinase β inhibitor IMD-0560 prevents bone invasion by oral squamous cell carcinoma. Oncotarget 2014; 5:12317-30. [PMID: 25373602 PMCID: PMC4322973 DOI: 10.18632/oncotarget.2640] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2014] [Accepted: 10/28/2014] [Indexed: 12/27/2022] Open
Abstract
Oral squamous cell carcinoma (OSCC) cells display significantly augmented nuclear factor-κB (NF-κB) activity, and inhibiting this activity suppresses malignant tumor characteristics. Thus, we evaluated the effect of IMD-0560, a novel inhibitor of IκB kinase (IKK) β that is under assessment in a clinical trial of rheumatoid arthritis, on bone invasion by the mouse OSCC cell line SCCVII. We examined the inhibitory effects of IMD-0560 on NF-κB activity and tumor invasion using human OSCC cell lines and SCCVII cells in vitro. Using a mouse model of jaw bone invasion by SCCVII cells, we assessed the inhibitory effect of IMD-0560 on jaw bone invasion, tumor growth, and matrix degradation in vivo. IMD-0560 suppressed the nuclear translocation of NF-κB and the degradation of IκBα in OSCC cells. IMD-0560 also inhibited invasion by suppressing matrix metalloproteinase-9 (MMP-9) production in OSCC cells. IMD-0560 protected against zygoma and mandible destruction by SCCVII cells, reduced the number of osteoclasts by inhibiting receptor activator of NF-κB ligand (RANKL) expression in osteoblastic cells and SCCVII cells, increased SCCVII cell death and suppressed cell proliferation and MMP-9 production in SCCVII cells. Based on these results, IMD-0560 may represent a new therapeutic agent for bone invasion by OSCC cells.
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Affiliation(s)
- Yukiyo Tada
- Division of Molecular Signaling and Biochemistry, Department of Health Promotion, Kyushu Dental University, Manazuru, Kokurakita-ku, Kitakyushu, Fukuoka, Japan
- Division of Dental Anesthesiology, Department of Control of Physical Functions, Kyushu Dental University, Manazuru, Kokurakita-ku, Kitakyushu, Fukuoka, Japan
| | - Shoichiro Kokabu
- Division of Molecular Signaling and Biochemistry, Department of Health Promotion, Kyushu Dental University, Manazuru, Kokurakita-ku, Kitakyushu, Fukuoka, Japan
| | - Goro Sugiyama
- Division of Molecular Signaling and Biochemistry, Department of Health Promotion, Kyushu Dental University, Manazuru, Kokurakita-ku, Kitakyushu, Fukuoka, Japan
| | - Chihiro Nakatomi
- Division of Molecular Signaling and Biochemistry, Department of Health Promotion, Kyushu Dental University, Manazuru, Kokurakita-ku, Kitakyushu, Fukuoka, Japan
| | - Kazuhiro Aoki
- Section of Pharmacology, Department of Bio-Matrix, Graduate School, Tokyo Medical and Dental University, Yushima, Bunkyo-ku, Tokyo, Japan
| | - Hidefumi Fukushima
- Department of Physiological Sciences and Molecular Biology, Fukuoka Dental College, Fukuoka, Tamura, Sawara-ku, Fukuoka, Japan
| | - Kenji Osawa
- Division of Pathophysiology, Research Center for Genomic Medicine, Saitama Medical University, Yamane, Hidaka-shi, Saitama, Japan
| | - Yasutaka Sugamori
- Section of Pharmacology, Department of Bio-Matrix, Graduate School, Tokyo Medical and Dental University, Yushima, Bunkyo-ku, Tokyo, Japan
| | - Keiichi Ohya
- Section of Pharmacology, Department of Bio-Matrix, Graduate School, Tokyo Medical and Dental University, Yushima, Bunkyo-ku, Tokyo, Japan
| | - Masato Okamoto
- Department of Advanced Immunotherapeutics, Kitasato University School of Pharmacy, Shirokane, Minato-ku, Tokyo, Japan
| | - Tomoyuki Fujikawa
- Institute of Medical Molecular Design Inc (IMMD Inc), Hongo, Bunkyo-ku, Tokyo, Japan
| | - Akiko Itai
- Institute of Medical Molecular Design Inc (IMMD Inc), Hongo, Bunkyo-ku, Tokyo, Japan
| | - Kou Matsuo
- Division of Oral Pathology, Department of Health Promotion, Kyushu Dental University, Manazuru, Kokurakita-ku, Kitakyushu, Fukuoka, Japan
| | - Seiji Watanabe
- Division of Dental Anesthesiology, Department of Control of Physical Functions, Kyushu Dental University, Manazuru, Kokurakita-ku, Kitakyushu, Fukuoka, Japan
| | - Eijiro Jimi
- Division of Molecular Signaling and Biochemistry, Department of Health Promotion, Kyushu Dental University, Manazuru, Kokurakita-ku, Kitakyushu, Fukuoka, Japan
- Center for Oral Biological Research, Kyushu Dental University, Manazuru, Kokurakita-ku, Kitakyushu, Fukuoka, Japan
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Yan W, Wistuba II, Emmert-Buck MR, Erickson HS. Squamous Cell Carcinoma - Similarities and Differences among Anatomical Sites. Am J Cancer Res 2014. [PMID: 21938273 DOI: 10.1158/1538-7445.am2011-275] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
Squamous cell carcinoma (SCC) is an epithelial malignancy involving many anatomical sites and is the most common cancer capable of metastatic spread. Development of early diagnosis methods and novel therapeutics are important for prevention and mortality reduction. In this effort, numerous molecular alterations have been described in SCCs. SCCs share many phenotypic and molecular characteristics, but they have not been extensively compared. This article reviews SCC as a disease, including: epidemiology, pathology, risk factors, molecular characteristics, prognostic markers, targeted therapy, and a new approach to studying SCCs. Through this comparison, several themes are apparent. For example, HPV infection is a common risk factor among the four major SCCs (NMSC, HNSC, ESCC, and NSCLC) and molecular abnormalities in cell-cycle regulation and signal transduction predominate. These data reveal that the molecular insights, new markers, and drug targets discovered in individual SCCs may shed light on this type of cancer as a whole.
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Affiliation(s)
- Wusheng Yan
- Pathogenetics Unit, Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892
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Effects of the administration of epidermal growth factor receptor specific inhibitor cetuximab, alone and in combination with cisplatin, on proliferation and apoptosis of Hep-2 laryngeal cancer cells. The Journal of Laryngology & Otology 2014; 128:902-8. [PMID: 25236402 DOI: 10.1017/s002221511400190x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
BACKGROUND Epidermal growth factor receptor (EGFR) overexpression and prognostic value in head and neck squamous cell cancer is the basis for targeting by anti-EGFR antibodies, which increase the efficacy of radiotherapy. In order to evaluate the best therapeutic schedule, the effects of cetuximab (C225) on Hep-2 cell proliferation, alone and in combination with cisplatin, were studied. METHODS Hep-2 cells were treated with cetuximab alone or in combination with cisplatin. After determining cell viability with trypan blue, morphological features of apoptotic degeneration were analysed by fluorescence microscopy with Hoechst 33258 stain. RESULTS Cetuximab alone mildly inhibited Hep-2 proliferation and showed no pro-apoptotic effects. When administered concomitantly with cisplatin, cetuximab synergistically increased inhibition of proliferation and apoptosis. CONCLUSION The antiproliferative activity of cetuximab is consistent with its hypothesised role in inhibiting repopulation. However, the increase in the effects of pro-apoptotic agents induced by cetuximab may be even more relevant to its clinical effectiveness than the inhibition of repopulation.
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Shah AT, Demory Beckler M, Walsh AJ, Jones WP, Pohlmann PR, Skala MC. Optical metabolic imaging of treatment response in human head and neck squamous cell carcinoma. PLoS One 2014; 9:e90746. [PMID: 24595244 PMCID: PMC3942493 DOI: 10.1371/journal.pone.0090746] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2013] [Accepted: 02/05/2014] [Indexed: 11/26/2022] Open
Abstract
Optical metabolic imaging measures fluorescence intensity and lifetimes from metabolic cofactors nicotinamide adenine dinucleotide (NADH) and flavin adenine dinucleotide (FAD). These molecular level measurements provide unique biomarkers for early cellular responses to cancer treatments. Head and neck squamous cell carcinoma (HNSCC) is an attractive target for optical imaging because of easy access to the site using fiber optic probes. Two HNSCC cell lines, SCC25 and SCC61, were treated with Cetuximab (anti-EGFR antibody), BGT226 (PI3K/mTOR inhibitor), or cisplatin (chemotherapy) for 24 hours. Results show increased redox ratio, NADH α1 (contribution from free NADH), and FAD α1 (contribution from protein-bound FAD) for malignant cells compared with the nonmalignant cell line OKF6 (p<0.05). In SCC25 and SCC61 cells, the redox ratio is unaffected by cetuximab treatment and decreases with BGT226 and cisplatin treatment (p<0.05), and these results agree with standard measurements of proliferation rates after treatment. For SCC25, NADH α1 is reduced with BGT226 and cisplatin treatment. For SCC61, NADH α1 is reduced with cetuximab, BGT226, and cisplatin treatment. Trends in NADH α1 are statistically similar to changes in standard measurements of glycolytic rates after treatment. FAD α1 is reduced with cisplatin treatment (p<0.05). These shifts in optical endpoints reflect early metabolic changes induced by drug treatment. Overall, these results indicate that optical metabolic imaging has potential to detect early response to cancer treatment in HNSCC, enabling optimal treatment regimens and improved patient outcomes.
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Affiliation(s)
- Amy T. Shah
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee, United States of America
| | - Michelle Demory Beckler
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, United States of America
- Department of Radiology, Vanderbilt University Medical Center, Nashville, Tennessee, United States of America
| | - Alex J. Walsh
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee, United States of America
| | - William P. Jones
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee, United States of America
| | - Paula R. Pohlmann
- Department of Medicine, Georgetown University Medical Center, Washington, District of Columbia, United States of America
| | - Melissa C. Skala
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee, United States of America
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Kuwahara Y, Mori M, Kitahara S, Fukumoto M, Ezaki T, Mori S, Echigo S, Ohkubo Y, Fukumoto M. Targeting of tumor endothelial cells combining 2 Gy/day of X-ray with Everolimus is the effective modality for overcoming clinically relevant radioresistant tumors. Cancer Med 2014; 3:310-21. [PMID: 24464839 PMCID: PMC3987081 DOI: 10.1002/cam4.185] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2013] [Revised: 11/27/2013] [Accepted: 11/30/2013] [Indexed: 01/21/2023] Open
Abstract
Radiotherapy is widely used to treat cancer because it has the advantage of physically and functionally conserving the affected organ. To improve radiotherapy and investigate the molecular mechanisms of cellular radioresistance, we established a clinically relevant radioresistant (CRR) cell line, SAS-R, from SAS cells. SAS-R cells continue to proliferate when exposed to fractionated radiation (FR) of 2 Gy/day for more than 30 days in vitro. A xenograft tumor model of SAS-R was also resistant to 2 Gy/day of X-rays for 30 days. The density of blood vessels in SAS-R tumors was higher than in SAS tumors. Everolimus, a mammalian target of rapamycin (mTOR) inhibitor, sensitized microvascular endothelial cells to radiation, but failed to radiosensitize SAS and SAS-R cells in vitro. Everolimus with FR markedly reduced SAS and SAS-R tumor volumes. Additionally, the apoptosis of endothelial cells (ECs) increased in SAS-R tumor tissues when both Everolimus and radiation were administered. Both CD34-positive and tomato lectin-positive blood vessel densities in SAS-R tumor tissues decreased remarkably after the Everolimus and radiation treatment. Everolimus-induced apoptosis of vascular ECs in response to radiation was also followed by thrombus formation that leads to tumor necrosis. We conclude that FR combined with Everolimus may be an effective modality to overcome radioresistant tumors via targeting tumor ECs.
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Affiliation(s)
- Yoshikazu Kuwahara
- Department of Pathology, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Miyagi, 980-8575, Japan
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Pickhard A, Piontek G, Seidl C, Kopping S, Blechert B, Mißlbeck M, Brockhoff G, Bruchertseifer F, Morgenstern A, Essler M. ²¹³Bi-anti-EGFR radioimmunoconjugates and X-ray irradiation trigger different cell death pathways in squamous cell carcinoma cells. Nucl Med Biol 2013; 41:68-76. [PMID: 24210808 DOI: 10.1016/j.nucmedbio.2013.09.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2013] [Revised: 09/13/2013] [Accepted: 09/18/2013] [Indexed: 12/20/2022]
Abstract
INTRODUCTION Treatment of patients with squamous cell carcinoma of head and neck is hampered by resistance of tumor cells to irradiation. Additional therapies enhancing the effect of X-ray irradiation may be beneficial. Antibodies targeting EGFR have been shown to improve the efficacy of radiation therapy. Therefore, we analyzed cytotoxicity of (213)Bi-anti-EGFR immunoconjugates in combination with X-ray irradiation. METHODS The monoclonal anti-EGFR antibody matuzumab was coupled to CHX-A"-DTPA forming stable complexes with (213)Bi. Cytotoxicity of X-ray radiation, of treatment with (213)Bi-anti-EGFR monoclonal antibodies (MAb) or of a combined treatment regimen was assayed using cell proliferation and colony formation assays in UD-SCC5 cells. Key proteins of cell-cycle arrest and cell death were examined by Western blot analysis. Cell cycle analysis was performed by flow cytometry. DNA double-strand breaks were detected via γH2AX and quantified using Definiens™ software. RESULTS Irradiation with X-rays or treatment with (213)Bi-anti-EGFR-MAb resulted in median lethal dose (LD50) values of 12 Gy or 130 kBq/mL, respectively. Treatment with 37 kBq/mL of (213)Bi-anti-EGFR-MAb or 2 Gy of X-rays had only little effect on colony formation of UD-SCC5 cells. In contrast, a combined treatment regimen (37 kBq/mL plus 2 Gy) significantly decreased colony formation and enhanced the formation of DNA double-strand breaks. As revealed by flow cytometry, radiation treatments caused accumulation of cells in the G0/G1 phase. Both treatment with (213)Bi-anti-EGFR immunoconjugates and application of the combined treatment regimen triggered activation of genes of signaling pathways involved in cell-cycle arrest and induction of apoptosis like p21/Waf, GADD45, Puma and Bax, which were only marginally modulated by X-ray irradiation of cells. CONCLUSIONS (213)Bi-anti-EGFR-MAb enhances cytotoxicity of X-ray irradiation in UD-SCC5 cells most probably due to effective induction of DNA double-strand breaks. Induction of genes involved in cell-cycle arrest and cell death is almost exclusively due to (213)Bi-anti-EGFR-MAb and seems to be independent of p53 function.
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Affiliation(s)
- Anja Pickhard
- Department of Otolaryngology Head and Neck Surgery, Technische Universität München, Munich, Germany
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microRNA expression profiles in oral squamous cell carcinoma. Oncol Rep 2013; 30:579-83. [PMID: 23708842 DOI: 10.3892/or.2013.2488] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2012] [Accepted: 01/31/2013] [Indexed: 11/05/2022] Open
Abstract
microRNAs (miRNAs) are involved in cancer pathogenesis, apoptosis and cell growth, thereby functioning as both tumor suppressors and oncogenes. However, the expression patterns and roles of miRNAs in oral squamous cell carcinoma (OSCC) remain largely unknown. We hypothesized that oral cancer may have a unique miRNA profile, which in turn may play a critical role in oral cancer development, progression, diagnosis and prognosis. We, therefore, investigated the expression profiles of 29 OSCC tumors and 7 normal oral mucosal samples. The miRNA expression patterns in OSCC were examined by TaqMan-based microRNA assays. We were subsequently able to identify the candidates of cancer-related miRNAs through analysis of the miRNA expression profiles. In conclusion, OSCC tissues were shown to have a unique miRNA profile pattern when compared with that in normal tissues. The present study may provide useful information for further investigation of the functional roles of miRNAs in OSCC development, progression, diagnosis and prognosis.
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Genetic deregulation of the PIK3CA oncogene in oral cancer. Cancer Lett 2013; 338:193-203. [PMID: 23597702 DOI: 10.1016/j.canlet.2013.04.005] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2012] [Revised: 03/11/2013] [Accepted: 04/09/2013] [Indexed: 01/05/2023]
Abstract
The phosphatidylinositol 3-kinase (PI3K)/Akt signaling pathway is one of the most commonly deregulated pathways in human cancers. PI3K comprises a catalytic (p110α) and regulatory subunit (p85), and p110α is encoded by the PIK3CA gene. Here, we summarize the known genetic alterations, including amplifications and mutations, of the PIK3CA oncogene in oral cancer. We discuss in detail PIK3CA mutations and their mutual exclusivity with pathway genes in addition to the incidence of PIK3CA mutations in relation to ethnicity. We describe the constitutive activation of PI3K signaling, oncogenicity, and the genetic deregulation of the PIK3CA gene and its association with oral cancer disease stage. We emphasize the importance of therapeutically targeting the genetically deregulated PIK3CA oncogene and its signaling. We also discuss the implications of targeting Akt and/or mTOR, which are the downstream effectors of PI3K that may possibly pave the way for molecular therapeutic targets for PIK3CA-driven oral carcinogenesis. Furthermore, this critical review provides a complete picture of the PIK3CA oncogene and its deregulation in oral cancer, which may facilitate early diagnosis and improve prognosis through personalized molecular targeted therapy in oral cancer.
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Bose P, Brockton NT, Dort JC. Head and neck cancer: from anatomy to biology. Int J Cancer 2013; 133:2013-23. [PMID: 23417723 DOI: 10.1002/ijc.28112] [Citation(s) in RCA: 109] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2012] [Accepted: 02/01/2013] [Indexed: 12/18/2022]
Abstract
The 20th century saw great advances in anatomy-based (surgery and radiotherapy) and chemotherapy approaches for treating head and neck squamous cell carcinoma (HNSCC) and improving quality of life (QoL). However, despite these advances, the survival rate in HNSCC remains at ∼50%. Front-line treatments often cause severe toxicity and debilitating long-term impacts on QoL. In recent decades, dramatic advances have been made in our knowledge of fundamental tumor biology and signaling pathways that contribute to oncogenesis and cancer progression. These insights are presenting unprecedented opportunities to develop more effective and less toxic treatments that are specific to particular molecular targets. This review discusses some of the major, potentially targetable, molecular pathways associated with head and neck carcinogenesis. We present the general mechanism underlying the functional components for each signaling pathway, discuss how these components are aberrantly regulated in HNSCC and describe their potential as therapeutic targets. We have restricted our discussion to "drug-able targets" such as oncogenes including those associated with HPV, tumor hypoxia and microRNAs and present these changes in the context of HNSCC patient care. The specific targeting of these pathways to achieve cancer control/remission and reduce toxicity is now challenging conventional treatment paradigms in HNSCC. This new "biologic era" is transforming our ability to target causal pathways and improve survival outcomes in HNSCC.
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Affiliation(s)
- Pinaki Bose
- Department of Oncology, University of Calgary, Calgary, Canada
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Masuda M, Toh S, Wakasaki T, Suzui M, Joe AK. Somatic evolution of head and neck cancer - biological robustness and latent vulnerability. Mol Oncol 2012; 7:14-28. [PMID: 23168041 PMCID: PMC5528403 DOI: 10.1016/j.molonc.2012.10.009] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2012] [Revised: 10/23/2012] [Accepted: 10/24/2012] [Indexed: 01/05/2023] Open
Abstract
Despite recent advancements in multidisciplinary treatments, the overall survival and quality of life of patients with advanced head and neck squamous cell carcinoma (HNSCC) have not improved significantly over the past decade. Molecular targeted therapies, which have been addressed and advanced by the concept of “oncogene addiction”, have demonstrated only limited successes so far. To explore a novel clue for clinically effective targeted therapies, we analyzed the molecular circuitry of HNSCC through the lens that HNSCC is an evolving system. In the trajectory of this somatic evolution, HNSCC acquires biological robustness under a variety of selective pressures including genetic, epigenetic, micro‐environmental and metabolic stressors, which well explains the major mechanism of “escaping from oncogene addiction”. On the other hand, this systemic view appears to instruct us approaches to target latent vulnerability of HNSCC that is masked behind the plasticity and evolvability of this complex adaptive system. There is an urgent need to develop a novel conceptual framework for the treatment of HNSCC. The biological robustness of HNSCC was analyzed through a somatic evolution model. This model well explains the mechanism of “escaping from oncogene addiction”. We discuss about the possible approaches to target vulnerability of evolving HNSCC.
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Affiliation(s)
- Muneyuki Masuda
- Department of Head & Neck Surgery, National Kyushu Cancer Center, 3-1-1, Notame, Minamiku, Fukuoka 811-1395, Japan.
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Phase I clinical study of vascular targeting fluorescent cationic liposomes in head and neck cancer. Eur Arch Otorhinolaryngol 2012; 270:1481-7. [DOI: 10.1007/s00405-012-2185-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2012] [Accepted: 09/07/2012] [Indexed: 01/19/2023]
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Brooks C, Sheu T, Bridges K, Mason K, Kuban D, Mathew P, Meyn R. Preclinical evaluation of sunitinib, a multi-tyrosine kinase inhibitor, as a radiosensitizer for human prostate cancer. Radiat Oncol 2012; 7:154. [PMID: 22967802 PMCID: PMC3494537 DOI: 10.1186/1748-717x-7-154] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2012] [Accepted: 08/25/2012] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND Many prostate cancers demonstrate an increased expression of growth factor receptors such as vascular endothelial growth factor receptor (VEGFR) and platelet derived growth factor receptor (PDGFR) which have been correlated with increased resistance to radiotherapy and poor prognosis in other tumors. Therefore, response to radiation could potentially be improved by using inhibitors of these abnormally activated pathways. We have investigated the radiosensitizing effects of sunitinib, a potent, multi-tyrosine kinase inhibitor of the VEGFR and PDGFR receptors, on human prostate cancer cells. METHODS The radiosensitizing effects of sunitinib were assessed on human prostate cancer cell lines DU145, PC3 and LNCaP by clonogenic assay. Sunitinib's ability to inhibit the activities of its key targets was determined by immunoblot analysis. The radiosensitizing effects of sunitinib in vivo were tested on human tumor xenografts growing in nude mice where response was assessed by tumor growth delay. RESULTS Clonogenic survival curve assays for both DU145 and PC3 cells showed that the surviving fraction at 2 Gy was reduced from 0.70 and 0.52 in controls to 0.44 and 0.38, respectively, by a 24 hr pretreatment with 100 nM sunitinib. LNCaP cells were not radiosensitized by sunitinib. Dose dependent decreases in VEGFR and PDGFR activation were also observed following sunitinib in both DU145 and PC3 cells. We assessed the ability of sunitinib to radiosensitize PC3 xenograft tumors growing in the hind limb of nude mice. Sunitinib given concurrently with radiation did not prolong tumor growth delay. However, when animals were treated with sunitinib commencing the day after fractionated radiation was complete, tumor growth delay was enhanced compared to radiation alone. CONCLUSIONS We conclude, based on the in vivo results, that sunitinib and radiation do not interact directly to radiosensitize the PC3 tumor cells in vivo as they did in vitro. The fact that tumor growth delay was enhanced when sunitinib was given after radiotherapy was completed suggests that sunitinib may be acting on the irradiated tumor stroma and suppressing its ability to sustain regrowth of the irradiated tumor. Based on these preclinical findings, we suggest that the combination of sunitinib and radiation for the treatment of prostate cancer deserves further development.
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Affiliation(s)
- Colin Brooks
- Department of Experimental Radiation Oncology, The University of Texas M. D. Anderson Cancer Center, Houston, TX, USA
- National University of Galway (NUIGalway), Galway, Ireland
| | - Tommy Sheu
- Department of Experimental Radiation Oncology, The University of Texas M. D. Anderson Cancer Center, Houston, TX, USA
| | - Kathleen Bridges
- Department of Experimental Radiation Oncology, The University of Texas M. D. Anderson Cancer Center, Houston, TX, USA
| | - Kathy Mason
- Department of Experimental Radiation Oncology, The University of Texas M. D. Anderson Cancer Center, Houston, TX, USA
| | - Deborah Kuban
- Department of Radiation Oncology, The University of Texas M. D. Anderson Cancer Center, Houston, TX, USA
| | - Paul Mathew
- Department of Hematology-Oncology, Tufts Medical Center, Boston, MA, USA
| | - Raymond Meyn
- Department of Experimental Radiation Oncology, The University of Texas M. D. Anderson Cancer Center, Houston, TX, USA
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Abu-Yousif AO, Moor ACE, Zheng X, Savellano MD, Yu W, Selbo PK, Hasan T. Epidermal growth factor receptor-targeted photosensitizer selectively inhibits EGFR signaling and induces targeted phototoxicity in ovarian cancer cells. Cancer Lett 2012; 321:120-7. [PMID: 22266098 PMCID: PMC3356439 DOI: 10.1016/j.canlet.2012.01.014] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2011] [Revised: 01/10/2012] [Accepted: 01/11/2012] [Indexed: 12/31/2022]
Abstract
Targeted photosensitizer delivery to EGFR-expressing cells was achieved in the present study using a high purity, targeted photoimmunoconjugate (PIC). When the PDT agent, benzoporphyrin derivative monoacid ring A (BPD) was coupled to an EGFR-targeting antibody (cetuximab), we observed altered cellular localization and selective phototoxicity of EGFR-positive cells, but no phototoxicity of EGFR-negative cells. Cetuximab in the PIC formulation blocked EGF-induced activation of the EGFR and downstream signaling pathways. Our results suggest that photoimmunotargeting is a useful dual strategy for the selective destruction of cancer cells and also exerts the receptor-blocking biological function of the antibody.
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Affiliation(s)
- Adnan O. Abu-Yousif
- Wellman Center for Photomedicine, Department of Dermatology (Bartlett Hall 314), Massachusetts General Hospital, Harvard Medical School, 40 Blossom Street, Boston, MA 02114, USA
| | - Anne C. E. Moor
- Wellman Center for Photomedicine, Department of Dermatology (Bartlett Hall 314), Massachusetts General Hospital, Harvard Medical School, 40 Blossom Street, Boston, MA 02114, USA
| | - Xiang Zheng
- Wellman Center for Photomedicine, Department of Dermatology (Bartlett Hall 314), Massachusetts General Hospital, Harvard Medical School, 40 Blossom Street, Boston, MA 02114, USA
| | - Mark D. Savellano
- Wellman Center for Photomedicine, Department of Dermatology (Bartlett Hall 314), Massachusetts General Hospital, Harvard Medical School, 40 Blossom Street, Boston, MA 02114, USA
| | - Weiping Yu
- Wellman Center for Photomedicine, Department of Dermatology (Bartlett Hall 314), Massachusetts General Hospital, Harvard Medical School, 40 Blossom Street, Boston, MA 02114, USA
| | | | - Tayyaba Hasan
- Wellman Center for Photomedicine, Department of Dermatology (Bartlett Hall 314), Massachusetts General Hospital, Harvard Medical School, 40 Blossom Street, Boston, MA 02114, USA
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Overcoming resistance to EGFR inhibitor in head and neck cancer: a review of the literature. Oral Oncol 2012; 48:1085-9. [PMID: 22840785 DOI: 10.1016/j.oraloncology.2012.06.016] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2012] [Revised: 06/22/2012] [Accepted: 06/27/2012] [Indexed: 11/24/2022]
Abstract
Head and neck squamous cell carcinoma (HNSCC) affects over half a million people worldwide. Despite advances in therapy, only half of the patients are alive in 5 years. Epidermal growth factor receptor (EGFR) is overexpressed in approximately 90% of the tumors, and it is correlated with poor response to treatment and worse outcome. Multiple therapies targeting this pathway have been tested. Cetuximab is the only EGFR inhibitor approved in HNSCC, but response rates are low. More recently, significant interest has focus on identifying mechanisms of acquired and de novo EGFR blockage resistance. Here we review some of these mechanisms and describe strategies to overcome that resistance.
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Role of phosphatidylinositol-3-kinase pathway in head and neck squamous cell carcinoma. JOURNAL OF ONCOLOGY 2012; 2012:450179. [PMID: 22666248 PMCID: PMC3362130 DOI: 10.1155/2012/450179] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/06/2012] [Accepted: 03/14/2012] [Indexed: 01/04/2023]
Abstract
Activation of the phosphatidylinositol-3-kinase (PI3K) pathway is one of the most frequently observed molecular alterations in many human malignancies, including head and neck squamous cell carcinoma (HNSCC). A growing body of evidence demonstrates the prime importance of the PI3K pathway at each stage of tumorigenesis, that is, tumor initiation, progression, recurrence, and metastasis. Expectedly, targeting the PI3K pathway yields some promising results in both preclinical studies and clinical trials for certain cancer patients. However, there are still many questions that need to be answered, given the complexity of this pathway and the existence of its multiple feedback loops and interactions with other signaling pathways. In this paper, we will summarize recent advances in the understanding of the PI3K pathway role in human malignancies, with an emphasis on HNSCC, and discuss the clinical applications and future direction of this field.
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Furuta H, Osawa K, Shin M, Ishikawa A, Matsuo K, Khan M, Aoki K, Ohya K, Okamoto M, Tominaga K, Takahashi T, Nakanishi O, Jimi E. Selective inhibition of NF-κB suppresses bone invasion by oral squamous cell carcinoma in vivo. Int J Cancer 2012; 131:E625-35. [PMID: 22262470 DOI: 10.1002/ijc.27435] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2011] [Accepted: 12/29/2011] [Indexed: 12/25/2022]
Abstract
Nuclear factor-κB (NF-κB) is constitutively activated in many cancers, including oral squamous cell carcinoma (OSCC), and is involved in the invasive characteristics of OSCC, such as growth, antiapoptotic activity and protease production. However, the cellular mechanism underlying NF-κB's promotion of bone invasion by OSCC is unclear. Therefore, we investigated the role of NF-κB in bone invasion by OSCC in vivo. Immunohistochemical staining of OSCC invading bone in 10 patients indicated that the expression and nuclear translocation of p65, a main subunit of NF-κB, was increased in OSCC compared with normal squamous epithelial cells. An active form of p65 phosphorylated at serine 536 was present mainly in the nucleus in not only differentiated tumor cells but also tumor-associated stromal cells and bone-resorbing osteoclasts. We next injected mouse OSCC SCCVII cells into the masseter region of C(3) H/HeN mice. Mice were treated for 3 weeks with a selective NF-κB inhibitor, NBD peptide, which disrupts the association of NF-κB essential modulator (NEMO) with IκB kinases. NBD peptide treatment inhibited TNFα-induced and constitutive NF-κB activation in SCCVII cells in vitro and in vivo, respectively. Treatment with NBD peptide decreased zygoma and mandible destruction by SCCVII cells, reduced number of osteoclasts by inhibiting RANKL expression in osteoblastic cells and SCCVII cells, increased apoptosis and suppressed the proliferation of SCCVII cells. Taken together, our data clearly indicate that inhibition of NF-κB is useful for inhibiting bone invasion by OSCC.
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Affiliation(s)
- Hiroyuki Furuta
- Division of Molecular Signaling and Biochemistry, Department of Bioscience, Kyushu Dental College, Kokurakita-ku, Kitakyushu, Fukuoka, Japan
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Specific and sensitive hydrolysis probe-based real-time PCR detection of epidermal growth factor receptor variant III in oral squamous cell carcinoma. PLoS One 2012; 7:e31723. [PMID: 22359620 PMCID: PMC3280998 DOI: 10.1371/journal.pone.0031723] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2011] [Accepted: 01/11/2012] [Indexed: 11/20/2022] Open
Abstract
Background The tumor-specific EGFR deletion mutant, EGFRvIII, is characterised by ligand-independent constitutive signalling. Tumors expressing EGFRvIII are resistant to current EGFR-targeted therapy. The frequency of EGFRvIII in head and neck squamous cell carcinoma (HNSCC) is disputed and may vary by specific sub-site. The purpose of this study was to measure the occurrence of EGFRvIII mutations in a specific HNSCC subsite, oral squamous cell carcinoma (OSCC), using a novel real-time PCR assay. Methodology Pre-treatment Formalin Fixed Paraffin Embedded (FFPE) cancer specimens from 50 OSCC patients were evaluated for the presence of EGFRvIII using a novel hydrolysis probe-based real-time PCR assay. EGFR protein expression in tumor samples was quantified using fluorescent immunohistochemistry (IHC) and AQUA® technology. Principal findings We detected EGFRvIII in a single OSCC patient in our cohort (2%). We confirmed the validity of our detection technique in an independent cohort of glioblastoma patients. We also compared the sensitivity and specificity of our novel real-time EGFRvIII detection assay to conventional RT-PCR and direct sequencing. Our assay can specifically detect EGFRvIII and can discriminate against wild-type EGFR in FFPE tumor samples. AQUAnalysis® revealed that the presence of EGFRvIII transcript is associated with very high EGFR protein expression (98th percentile). Contrary to previous reports, only 44% of OSCC over-expressed EGFR in our study. Conclusion and Significance Our results suggest that the EGFRvIII mutation is rare in OSCC and corroborate previous reports of EGFRvIII expression only in tumors with extreme over-expression of EGFR. We conclude that EGFRvIII-specific therapies may not be ideally suited as first-line treatment in OSCC. Furthermore, highly specific and sensitive methods, such as the real-time RT-PCR assay and AQUAnalysis® described here, will provide accurate assessment of EGFR mutation frequency and EGFR expression, and will facilitate the selection of optimal tailored therapies for OSCC patients.
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Zuo JH, Zhu W, Li MY, Li XH, Yi H, Zeng GQ, Wan XX, He QY, Li JH, Qu JQ, Chen Y, Xiao ZQ. Activation of EGFR promotes squamous carcinoma SCC10A cell migration and invasion via inducing EMT-like phenotype change and MMP-9-mediated degradation of E-cadherin. J Cell Biochem 2011; 112:2508-17. [PMID: 21557297 DOI: 10.1002/jcb.23175] [Citation(s) in RCA: 186] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
EGFR is a potent stimulator of invasion and metastasis in head and neck squamous cell carcinomas (HNSCC). However, the mechanism by which EGFR may stimulate tumor cell invasion and metastasis still need to be elucidated. In this study, we showed that activation of EGFR by EGF in HNSCC cell line SCC10A enhanced cell migration and invasion, and induced loss of epitheloid phenotype in parallel with downregulation of E-cadherin and upregulation of N-cadherin and vimentin, indicating that EGFR promoted SCC10A cell migration and invasion possibly by an epithelial to mesenchymal transition (EMT)-like phenotype change. Interestingly, activation of EGFR by EGF induced production of matrix metalloproteinase-9 (MMP-9) and soluble E-cadherin (sE-cad), and knockdown of MMP-9 by siRNA inhibited sE-cad production induced by EGF in SCC10A. Moreover, both MMP-9 knockdown and E-cadherin overexpression inhibited cell migration and invasion induced by EGF in SCC10A. The results indicate that EGFR activation promoted cell migration and invasion through inducing MMP-9-mediated degradation of E-cadherin into sE-cad. Pharmacologic inhibition of EGFR, MEK, and PI3K kinase activity in SCC10A reduced phosphorylated levels of ERK-1/2 and AKT, production of MMP-9 and sE-cad, cell migration and invasion, and expressional changes of EMT markers (E-cadherin and N-cadherin) induced by EGF, indicating that EGFR activation promotes cell migration and invasion via ERK-1/2 and PI3K-regulated MMP-9/E-cadherin signaling pathways. Taken together, the data suggest that EGFR activation promotes HNSCC SCC10A cell migration and invasion by inducing EMT-like phenotype change and MMP-9-mediated degradation of E-cadherin into sE-cad related to activation of ERK-1/2 and PI3K signaling pathways.
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Affiliation(s)
- Jian-Hong Zuo
- Key Laboratory of Cancer Proteomics of Chinese Ministry of Health, Xiangya Hospital, Central South University, Changsha 410008, PR China
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Kim TW, Chung MK, Youm HY, Jeong JI, Son YI, Jeong HS, Baek CH. Bilateral neck metastases in upper aero-digestive tract cancer: emphasis on the distribution of lymphatic metastases and prognostic implications. J Surg Oncol 2011; 105:553-8. [PMID: 22095558 DOI: 10.1002/jso.22145] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2011] [Accepted: 10/24/2011] [Indexed: 02/06/2023]
Abstract
BACKGROUND Bilateral neck metastases (BNM) in patients with upper aero-digestive tract cancer (UADTC) indicate a poor prognosis. However, the prognostic significance of involved neck node levels has not been determined clearly. In this study, the distribution of neck nodal metastasis and its impact on prognosis were investigated. METHODS Eighty-two previously untreated UADTC patients with BNM from 2000 to 2007 were included in these analyses. The pathology was mainly squamous cell carcinomas, including nasopharynx undifferentiated carcinoma and excluding salivary and thyroid carcinomas. The distribution and pattern of neck metastases and their prognostic significance were assessed, along with other clinical variables. RESULTS BNM confined to the upper neck level (I-III) showed a lower rate of distant metastasis compared to BNM beyond I-III levels (13.6% vs. 47.4%, P = 0.001). There was a significant reduction in survival among patients with bilateral lower neck (IV-V) metastases on multivariate analysis (HR: 5.95, 95%CI: 1.51-23.43). However, multi-level involvement itself did not correlate with survival. Subgroup analysis (according to nasopharynx and non-nasopharynx cancer) also confirmed the strong trends of lower neck nodal involvement for poorer survival in both groups. CONCLUSION BNM at lower neck nodes can be a significant prognostic factor for early systemic dissemination and worse prognosis in UADTC patients.
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Affiliation(s)
- Tae Wook Kim
- Department of Otorhinolaryngology-Head and Neck Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
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Chemovirotherapy for head and neck squamous cell carcinoma with EGFR-targeted and CD/UPRT-armed oncolytic measles virus. Cancer Gene Ther 2011; 19:181-91. [PMID: 22076043 DOI: 10.1038/cgt.2011.75] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
First-line treatment of recurrent and/or refractory head and neck squamous cell carcinoma (HNSCC) is based on platinum, 5-fluorouracil (5-FU) and the monoclonal antiEGFR antibody cetuximab. However, in most cases this chemoimmunotherapy does not cure the disease, and more than 50% of HNSCC patients are dying because of local recurrence of the tumors. In the majority of cases, HNSCC overexpress the epidermal growth factor receptor (EGFR), and its presence is associated with a poor outcome. In this study, we engineered an EGFR-targeted oncolytic measles virus (MV), armed with the bifunctional enzyme cytosine deaminase/uracil phosphoribosyltransferase (CD/UPRT). CD/UPRT converts 5-fluorocytosine (5-FC) into the chemotherapeutic 5-FU, a mainstay of HNSCC chemotherapy. This virus efficiently replicates in and lyses primary HNSCC cells in vitro. Arming with CD/UPRT mediates efficient prodrug activation with high bystander killing of non-infected tumor cells. In mice bearing primary HNSCC xenografts, intratumoral administration of MV-antiEGFR resulted in statistically significant tumor growth delay and prolongation of survival. Importantly, combination with 5-FC is superior to virus-only treatment leading to significant tumor growth inhibition. Thus, chemovirotherapy with EGFR-targeted and CD/UPRT-armed MV is highly efficacious in preclinical settings with direct translational implications for a planned Phase I clinical trial of MV for locoregional treatment of HNSCC.
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Somashekar BS, Kamarajan P, Danciu T, Kapila YL, Chinnaiyan AM, Rajendiran TM, Ramamoorthy A. Magic angle spinning NMR-based metabolic profiling of head and neck squamous cell carcinoma tissues. J Proteome Res 2011; 10:5232-41. [PMID: 21961579 DOI: 10.1021/pr200800w] [Citation(s) in RCA: 85] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
High-resolution magic-angle spinning (HR-MAS) proton NMR spectroscopy is used to explore the metabolic signatures of head and neck squamous cell carcinoma (HNSCC) which included matched normal adjacent tissue (NAT) and tumor originating from tongue, lip, larynx and oral cavity, and associated lymph-node metastatic (LN-Met) tissues. A total of 43 tissues (18 NAT, 18 Tumor and 7 LN-Met) from 22 HNSCC patients were analyzed. Principal Component Analysis of NMR data showed a clear classification between NAT and tumor tissues, however, LN-Met tissues were classified among tumor. A partial least-squares discriminant analysis model generated from NMR metabolic profiles was used to differentiate normal from tumor samples (Q(2) > 0.80, Receiver Operator Characteristic area under the curve >0.86, using 7-fold cross validation). HNSCC and LN-Met tissues showed elevated levels of lactate, amino acids including leucine, isoleucine, valine, alanine, glutamine, glutamate, aspartate, glycine, phenylalanine and tyrosine, choline containing compounds, creatine, taurine, glutathione, and decreased levels of triglycerides. These elevated metabolites were associated with highly active glycolysis, increased amino acids influx (anaplerosis) into the TCA cycle, altered energy metabolism, membrane choline phospholipid metabolism, and oxidative and osmotic defense mechanisms. Moreover, decreased levels of triglycerides may indicate lipolysis followed by β-oxidation of fatty acids that may exist to deliver bioenergy for rapid tumor cell proliferation and growth.
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Nijkamp MM, Hoogsteen IJ, Span PN, Takes RP, Lok J, Rijken PF, van der Kogel AJ, Bussink J, Kaanders JH. Spatial relationship of phosphorylated epidermal growth factor receptor and activated AKT in head and neck squamous cell carcinoma. Radiother Oncol 2011; 101:165-70. [DOI: 10.1016/j.radonc.2011.06.022] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2010] [Revised: 05/30/2011] [Accepted: 06/12/2011] [Indexed: 11/29/2022]
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Bruzzese F, Leone A, Rocco M, Carbone C, Piro G, Caraglia M, Di Gennaro E, Budillon A. HDAC inhibitor vorinostat enhances the antitumor effect of gefitinib in squamous cell carcinoma of head and neck by modulating ErbB receptor expression and reverting EMT. J Cell Physiol 2011; 226:2378-90. [PMID: 21660961 DOI: 10.1002/jcp.22574] [Citation(s) in RCA: 118] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Potentiation of epidermal growth factor receptor (EGFR) inhibitors is required in squamous cell carcinoma of head and neck (SCCHN) to improve their therapeutic index. We demonstrated that the histone deacetylase inhibitor vorinostat in combination with the EGFR tyrosine kinase inhibitor gefitinib induced synergistic inhibition of proliferation, migration, and invasion as well as induction of apoptosis in SCCHN cells, including cells resistant to gefitinib. We provided evidence suggesting that differential modulation of ErbB receptors together with reversion of epithelial-to-mesenchymal transition (EMT) by vorinostat represent mechanistic bases for the observed synergism. We demonstrated in epithelial CAL27 cells expressing EGFR, ErbB2, and ErbB3 that vorinostat downregulated the expression and signaling of all three receptors. In gefitinib-resistant KB and Hep-2 cells, both of which had undergone EMT and expressed very low levels of ErbB3, vorinostat reverted the mesenchymal phenotype by inducing both E-cadherin and ErbB3 and downregulating vimentin as well as EGFR and ErbB2. Both transcriptional and post-translational mechanisms were involved in the modulation of ErbB receptors by vorinostat. Attenuation of all ErbB transcripts in CAL27 cells as well as induction of ErbB3 transcript in Hep-2 and KB cells was seen upon vorinostat treatment. We showed that vorinostat induced ubiquitination of EGFR and ErbB2 and targeted them predominantly to lysosome-degradation in all cell lines, while the induction of ErbB3-ubiquitination in CAL27 cells led to proteasomes-degradation. Overall, this study suggests that the vorinostat/gefitinib combination represents a promising therapeutic strategy that warrants further clinical evaluation in SCCHN, including tumors intrinsically resistant to EGFR-inhibitors.
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Affiliation(s)
- Francesca Bruzzese
- Experimental Pharmacology Unit, Department of Research, National Cancer Institute Fondazione G Pascale, Naples, Italy
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Receptor-tyrosine-kinase-targeted therapies for head and neck cancer. JOURNAL OF SIGNAL TRANSDUCTION 2011; 2011:982879. [PMID: 21776391 PMCID: PMC3135278 DOI: 10.1155/2011/982879] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/07/2011] [Accepted: 04/05/2011] [Indexed: 02/01/2023]
Abstract
Molecular therapeutics for treating epidermal growth factor receptor-(EGFR-) expressing cancers are a specific method for treating cancers compared to general cell loss with standard cytotoxic therapeutics. However, the finding that resistance to such therapy is common in clinical trials now dampens the initial enthusiasm over this targeted treatment. Yet an improved molecular understanding of other receptor tyrosine kinases known to be active in cancer has revealed a rich network of cross-talk between receptor pathways with a key finding of common downstream signaling pathways. Such cross talk may represent a key mechanism for resistance to EGFR-directed therapy. Here we review the interplay between EGFR and Met and the type 1 insulin-like growth factor receptor (IGF-1R) tyrosine kinases, as well as their contribution to anti-EGFR therapeutic resistance in the context of squamous cell cancer of the head and neck, a tumor known to be primarily driven by EGFR-related oncogenic signals.
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Current management of advanced resectable oral cavity squamous cell carcinoma. Clin Exp Otorhinolaryngol 2011; 4:1-10. [PMID: 21461056 PMCID: PMC3062220 DOI: 10.3342/ceo.2011.4.1.1] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2010] [Accepted: 12/06/2010] [Indexed: 01/03/2023] Open
Abstract
The oral cavity is the most common site of head and neck squamous cell carcinoma, a disease which results in significant morbidity and mortality worldwide. Though the primary modality of treatment for patients with oral cavity cancer remains surgical resection, many patients present with advanced disease and are thus treated using a multi-disciplinary approach. Patients with extracapsular spread of lymphatic metastasis and surgical margins that remain positive have been found to be at high risk for local-regional recurrence and death from disease, and are most often recommended to receive both post-operative radiation as well as systemic chemotherapy. The basis for this approach, as well as scientific developments that underly future trials of novels treatments for patients with high-risk oral cavity cancer are reviewed.
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