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Abstract
Aquaporins (AQPs) are a family of transmembrane water channel proteins, which were initially characterized as a novel protein family that plays a vital role in transcellular and transepithelial water movement. AQP1, AQP2, AQP4, AQP5, and AQP8 are primarily water selective, whereas AQP3, AQP7, AQP9, and AQP10 (called “aqua-glyceroporins”) also transport glycerol and other small solutes. Recently, multiple reports have suggested that AQPs have important roles in cancer cell growth, migration, invasion, and angiogenesis, each of which is important in human carcinogenesis. Here, we review recent data concerning the involvement of AQPs in tumor growth, angiogenesis, and metastasis and explore the expression profiles from various resected cancer samples to further dissect the underlying molecular mechanisms. Moreover, we discuss the potential role of AQPs during the development of genomic instability and performed modeling to describe the integration of binding between AQPs with various SH3 domain binning adaptor molecules. Throughout review and discussion of numerous reports, we have tried to provide key evidence that AQPs play key roles in tumor biology, which may provide a unique opportunity in designing a novel class of anti-tumor agents.
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Affiliation(s)
- Chul So Moon
- Department of Otolaryngology-Head and Neck Surgery, The Johns Hopkins Medical Institution, Baltimore, MD, United States.,HJM Cancer Research Foundation Corporation, Lutherville, MD, United States
| | - David Moon
- Department of Otolaryngology-Head and Neck Surgery, The Johns Hopkins Medical Institution, Baltimore, MD, United States.,HJM Cancer Research Foundation Corporation, Lutherville, MD, United States
| | - Sung Koo Kang
- Department of Otolaryngology-Head and Neck Surgery, The Johns Hopkins Medical Institution, Baltimore, MD, United States.,HJM Cancer Research Foundation Corporation, Lutherville, MD, United States
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2
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Kordbacheh F, Farah CS. Current and Emerging Molecular Therapies for Head and Neck Squamous Cell Carcinoma. Cancers (Basel) 2021; 13:cancers13215471. [PMID: 34771633 PMCID: PMC8582411 DOI: 10.3390/cancers13215471] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 09/09/2021] [Accepted: 10/28/2021] [Indexed: 12/24/2022] Open
Abstract
Head and neck cancer affects nearly 750,000 patients, with more than 300,000 deaths annually. Advances in first line surgical treatment have improved survival rates marginally particularly in developed countries, however survival rates for aggressive locally advanced head and neck cancer are still poor. Recurrent and metastatic disease remains a significant problem for patients and the health system. As our knowledge of the genomic landscape of the head and neck cancers continues to expand, there are promising developments occurring in molecular therapies available for advanced or recalcitrant disease. The concept of precision medicine is underpinned by our ability to accurately sequence tumour samples to best understand individual patient genomic variations and to tailor targeted therapy for them based on such molecular profiling. Not only is their purported response to therapy a factor of their genomic variation, but so is their inclusion in biomarker-driven personalised medicine therapeutic trials. With the ever-expanding number of molecular druggable targets explored through advances in next generation sequencing, the number of clinical trials assessing these targets has significantly increased over recent years. Although some trials are focussed on first-line therapeutic approaches, a greater majority are focussed on locally advanced, recurrent or metastatic disease. Similarly, although single agent monotherapy has been found effective in some cases, it is the combination of drugs targeting different signalling pathways that seem to be more beneficial to patients. This paper outlines current and emerging molecular therapies for head and neck cancer, and updates readers on outcomes of the most pertinent clinical trials in this area while also summarising ongoing efforts to bring more molecular therapies into clinical practice.
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Affiliation(s)
- Farzaneh Kordbacheh
- Broad Institute of MIT and Harvard, Boston, MA 02142, USA;
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
- ACRF Department of Cancer Biology and Therapeutics, The John Curtin School of Medical Research, Australian National University, Canberra, ACT 0200, Australia
| | - Camile S. Farah
- The Australian Centre for Oral Oncology Research & Education, Nedlands, WA 6009, Australia
- Genomics for Life, Milton, QLD 4064, Australia
- Anatomical Pathology, Australian Clinical Labs, Subiaco, WA 6009, Australia
- Head and Neck Cancer Signalling Laboratory, Peter MacCallum Cancer Centre, Melbourne, VIC 3000, Australia
- Correspondence:
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3
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Kordbacheh F, Farah CS. Molecular Pathways and Druggable Targets in Head and Neck Squamous Cell Carcinoma. Cancers (Basel) 2021; 13:3453. [PMID: 34298667 PMCID: PMC8307423 DOI: 10.3390/cancers13143453] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 07/02/2021] [Accepted: 07/08/2021] [Indexed: 12/30/2022] Open
Abstract
Head and neck cancers are a heterogeneous group of neoplasms, affecting an ever increasing global population. Despite advances in diagnostic technology and surgical approaches to manage these conditions, survival rates have only marginally improved and this has occurred mainly in developed countries. Some improvements in survival, however, have been a result of new management and treatment approaches made possible because of our ever-increasing understanding of the molecular pathways triggered in head and neck oncogenesis, and the growing understanding of the abundant heterogeneity of this group of cancers. Some important pathways are common to other solid tumours, but their impact on reducing the burden of head and neck disease has been less than impressive. Other less known and little-explored pathways may hold the key to the development of potential druggable targets. The extensive work carried out over the last decade, mostly utilising next generation sequencing has opened up the development of many novel approaches to head and neck cancer treatment. This paper explores our current understanding of the molecular pathways of this group of tumours and outlines associated druggable targets which are deployed as therapeutic approaches in head and neck oncology with the ultimate aim of improving patient outcomes and controlling the personal and economic burden of head and neck cancer.
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Affiliation(s)
- Farzaneh Kordbacheh
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA;
- ACRF Department of Cancer Biology and Therapeutics, The John Curtin School of Medical Research, Australian National University, Canberra, ACT 0200, Australia
| | - Camile S. Farah
- The Australian Centre for Oral Oncology Research & Education, Perth, WA 6009, Australia
- Genomics for Life, Brisbane, QLD 4064, Australia
- Anatomical Pathology, Australian Clinical Labs, Subiaco, WA 6008, Australia
- Peter MacCallum Cancer Centre, Head and Neck Cancer Signalling Laboratory, Melbourne, VIC 3000, Australia
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4
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Grover M, Behl T, Sachdeva M, Bungao S, Aleya L, Setia D. Focus on Multi-targeted Role of Curcumin: a Boon in Therapeutic Paradigm. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:18893-18907. [PMID: 33595796 DOI: 10.1007/s11356-021-12809-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Accepted: 02/01/2021] [Indexed: 06/12/2023]
Abstract
Curcumin is a polyphenolic compound that exhibited good anticancer potential against different types of cancers through its multi-targeted effect like the termination of cell proliferation, inflammation, angiogenesis, and metastasis, thereby acting as antiproliferative and cytotoxic in nature. The present review surveys the various drug combination tried with curcumin or its synthetic analogues and also the mechanism by which curcumin potentiates the effect of almost every drug. In addition, this article also focuses on aromatherapy which is gaining much popularity in cancer patients. After thoroughly studying several articles on combination therapy of curcumin through authenticated book chapters, websites, research, and review articles available at PubMed, ScienceDirect, etc., it has been observed that multi-targeted curcumin possess enormous anticancer potential and, with whatever drug it is given in combination, has always resulted in enhanced effect with reduced dose as well as side effects. It is also capable enough in overcoming the problem of chemoresistance. Besides this, aromatherapy also proved its potency in reducing cancer-related side effects. Combining all the factors together, we can conclude that combination therapy of drugs with curcumin should be explored extensively. In addition, aromatherapy can be used as an adjuvant or supplementary therapy to reduce the cancer complications in patients.
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Affiliation(s)
- Madhuri Grover
- B.S. Anangpuria Institute of Pharmacy, Alampur, Haryana, India
| | - Tapan Behl
- Chitkara College of Pharmacy, Chitkara University, Punjab, India.
| | | | - Simona Bungao
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, Oradea, Romania
| | - Lotfi Aleya
- Chrono-Environment Laboratory, UMR CNRS 6249, Bourgogne Franche-Comté University, Besançon, France
| | - Dhruv Setia
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
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5
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Starzyńska A, Sejda A, Adamska P, Marvaso G, Sakowicz-Burkiewicz M, Adamski Ł, Jereczek-Fossa BA. Prognostic value of the PIK3CA, AKT, and PTEN mutations in oral squamous cell carcinoma: literature review. Arch Med Sci 2021; 17:207-217. [PMID: 33488873 PMCID: PMC7811327 DOI: 10.5114/aoms.2020.100780] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Accepted: 05/25/2018] [Indexed: 12/14/2022] Open
Abstract
Over 260,000 (2013) new oral squamous cell carcinoma (OSCC) cases are reported annually worldwide. Despite development in OSCC management, the outcome is still unsatisfactory. Identification of new molecular markers may be of use in prevention, prognosis, and choice of an appropriate therapy. The intracellular molecular signalling pathway of phosphatidyl-inositol-3-kinase is involved in the process of cell growth, differentiation, migration, and survival. The main components of this pathway: PIK3CA (phosphatidylinositol-4,5-bisphosphate-3-kinase catalytic subunit α), PTEN (phosphatase and tensin homologue deleted on chromosome 10), and AKT (serine-threonine kinase) are potential objects of research when introducing new therapeutic agents. The aim of this paper is to evaluate the PIK3CA, PTEN, and AKT gene mutations as prognostic factors in OSCC and to describe their role in aggressive disease progression. This is crucial for oral cancer biology understanding and for indicating which direction new clinical treatments should take.
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Affiliation(s)
- Anna Starzyńska
- Department of Oral Surgery, Medical University of Gdansk, Gdansk, Poland
| | - Aleksandra Sejda
- Department of Pathomorphology, University of Warmia and Mazury, Olsztyn, Poland
| | - Paulina Adamska
- Department of Oral Surgery, Medical University of Gdansk, Gdansk, Poland
| | - Giulia Marvaso
- Department of Radiotherapy, European Institute of Oncology, IRCCS, Milan, Italy
- Department of Oncology and Haemato-Oncology, University of Milan, Milan, Italy
| | | | - Łukasz Adamski
- Department of Oral Surgery, Medical University of Gdansk, Gdansk, Poland
| | - Barbara A. Jereczek-Fossa
- Department of Radiotherapy, European Institute of Oncology, IRCCS, Milan, Italy
- Department of Oncology and Haemato-Oncology, University of Milan, Milan, Italy
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6
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Politi A, Tsiambas E, Mastronikolis NS, Peschos D, Asproudis I, Kyrodimos E, Armata IE, Chrysovergis A, Asimakopoulos A, Papanikolaou VS, Batistatou A, Ragos V. Combined EGFR/ALK Expression Analysis in Laryngeal Squamous Cell Carcinoma. In Vivo 2019; 33:815-819. [PMID: 31028202 PMCID: PMC6559894 DOI: 10.21873/invivo.11544] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Revised: 04/09/2019] [Accepted: 04/10/2019] [Indexed: 12/17/2022]
Abstract
BACKGROUND/AIM Epidermal growth factor receptor (EGFR) acts as an oncogene in malignancies. Our aim was to examine the role of combined EGFR/ anaplastic lymphoma kinase (ALK) expression as molecular markers in laryngeal squamous cell carcinoma (LSCC) patients. MATERIALS AND METHODS Fifty (n=50) tissue sections derived from twenty-five (n=25) primary LSCCs were analyzed by immunohistochemistry (IHC). RESULTS EGFR overexpression was observed in 17/25 (68%) cases. Concerning ALK, 23/25 (92%) demonstrated low expression. EGFR expression was associated with grade (p=0.049), whereas ALK expression was correlated with stage (p=0.048). ALK overexpression was detected at advanced-stage EGFR-positive cases. A biphasic EGFR protein expression pattern was observed in five (n=5) LSCC cases, whereas ALK expression was stable in all cases. CONCLUSION EGFR overexpression is frequently observed in LSCC combined with low ALK expression. LSCC patients with EGFR/ALK protein overexpression should be eligible for targeted therapeutic strategies.
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Affiliation(s)
- Anastasia Politi
- Department of Oncology, Medical School, University of Ioannina, Ioannina, Greece
| | | | | | - Dimitrios Peschos
- Department of Physiology, Medical School, University of Ioannina, Ioannina, Greece
| | - Ioannis Asproudis
- Department of Ophthalmology, Medical School, University of Ioannina, Ioannina, Greece
| | - Efthymios Kyrodimos
- 1ST ENT Department, Hippokration Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | | | - Aristeidis Chrysovergis
- 1ST ENT Department, Hippokration Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | | | - Vasileios S Papanikolaou
- 1ST ENT Department, Hippokration Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Anna Batistatou
- Department of Pathology, Medical School, University of Ioannina, Ioannina, Greece
| | - Vasileios Ragos
- Department of Maxillofacial, Medical School, University of Ioannina, Ioannina, Greece
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Pidugu VK, Wu MM, Yen AH, Pidugu HB, Chang KW, Liu CJ, Lee TC. IFIT1 and IFIT3 promote oral squamous cell carcinoma metastasis and contribute to the anti-tumor effect of gefitinib via enhancing p-EGFR recycling. Oncogene 2019; 38:3232-3247. [PMID: 30626937 DOI: 10.1038/s41388-018-0662-9] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Revised: 10/12/2018] [Accepted: 12/07/2018] [Indexed: 01/01/2023]
Abstract
IFIT1 and IFIT3 are abundant products of interferon-stimulating genes. While the importance of IFIT1 and IFIT3 in the prognosis of cancer has been reported, the molecular basis of IFIT1 and IFIT3 in cancer progression remains unexplored. In the present study, we investigated the modes of action and the clinical significance of IFIT1 and IFIT3 in oral squamous cell carcinoma (OSCC). Ectopic expression of IFIT1 or IFIT3 induced OSCC cell invasion by promoting the epithelial-mesenchymal transition, whereas IFIT1 or IFIT3 knockdown exhibited opposite effects. Overexpression of IFIT1 or IFIT3 promoted tumor growth, regional and distant metastasis in xenograft and orthotopic nude mice models. Most importantly, IFIT1 or IFIT3 overexpression increased the levels of p-EGFRY1068 and p-AKTS473 in OSCC cells and also enhanced tumor inhibitory effect of gefitinib. By immunoprecipitation and LC-MS/MS analysis, we found that IFIT1 and IFIT3 interacted with ANXA2 that enhanced p-EGFRY1068 endosomal recycling. Depletion of ANXA2 using siRNA therefore abolished p-EGFRY1068 and p-AKTS473 expression in IFIT1- or IFIT3-overexpressed cells. Furthermore, a significant positive association of increased IFIT1 and IFIT3 expression with advanced T-stage, lymph node metastasis, perineural invasion, lymphovascular invasion, extranodal extension, and poor overall survival rate was confirmed in OSCC patients. We also found a statistically positive correlation of p-EGFRY1068 expression with IFIT1 and IFIT3 in OSCC tumors and poor clinical outcome in patients. Collectively, we demonstrated a novel role of IFIT1 and IFIT3 in driving OSCC progression and metastasis by interacting with ANXA2 and hence enhancing p-EGFR recycling and its downstream signaling.
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Affiliation(s)
- Vijaya Kumar Pidugu
- Taiwan International Graduate Program in Molecular Medicine, National Yang-Ming University, and Academia Sinica, Taipei, Taiwan.,Institute of Biomedical Sciences, Academia Sinica, Taipei, 11529, Taiwan
| | - Meei-Maan Wu
- Department of Public Health, School of Medicine, College of Medicine, Taipei Medical University, Taipei, 11031, Taiwan
| | - Ai-Hsin Yen
- Institute of Biomedical Sciences, Academia Sinica, Taipei, 11529, Taiwan
| | - Hima Bindu Pidugu
- Institute of Biomedical Sciences, Academia Sinica, Taipei, 11529, Taiwan
| | - Kuo-Wei Chang
- Department of Dentistry, School of Dentistry, National Yang-Ming University, Taipei, 11221, Taiwan
| | - Chung-Ji Liu
- Department of Oral and Maxillofacial Surgery, Mackay Memorial Hospital, Taipei, 10449, Taiwan.
| | - Te-Chang Lee
- Taiwan International Graduate Program in Molecular Medicine, National Yang-Ming University, and Academia Sinica, Taipei, Taiwan. .,Institute of Biomedical Sciences, Academia Sinica, Taipei, 11529, Taiwan. .,Institute of Pharmacology, School of Medicine, National Yang-Ming University, Taipei, 11221, Taiwan.
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8
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Chen CF, Lu CC, Chiang JH, Chiu HY, Yang JS, Lee CY, Way TD, Huang HJ. Synergistic inhibitory effects of cetuximab and curcumin on human cisplatin-resistant oral cancer CAR cells through intrinsic apoptotic process. Oncol Lett 2018; 16:6323-6330. [PMID: 30333889 PMCID: PMC6176463 DOI: 10.3892/ol.2018.9418] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Accepted: 08/01/2018] [Indexed: 12/19/2022] Open
Abstract
Cetuximab, an epidermal growth factor receptor (EGFR)-targeting monoclonal antibody (mAb), is a novel targeted therapy for the treatment of patients with oral cancer. Cetuximab can be used in combination with chemotherapeutic agents to prolong the overall survival rates of patients with oral cancer. Curcumin is a traditional Chinese medicine, and it has been demonstrated to have growth-inhibiting effects on oral cancer cells. However, information regarding the combination of cetuximab and curcumin in drug-resistant oral cancer cells is lacking, and its underlying mechanism remains unclear. The purpose of the present study was to explore the oral anticancer effects of cetuximab combined with curcumin on cisplatin-resistant oral cancer CAR cell apoptosis in vitro. The results demonstrated that combination treatment synergistically potentiated the effect of cetuximab and curcumin on the suppression of cell viability and induction of apoptosis in CAR cells. Cetuximab and curcumin combination induced apoptosis and dramatically increased caspase-3 and caspase-9 activities compared with singular treatment. Combination treatment also markedly suppressed the protein expression levels of EGFR and mitogen-activated protein kinases (MAPKs) signaling (phosphorylation of ERK, JNK and p38). The results demonstrated that co-treatment with cetuximab and curcumin exerts synergistic oral anticancer effects on CAR cells through the suppression of the EGFR signaling by regulation of the MAPK pathway.
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Affiliation(s)
- Chin-Fu Chen
- Department of Life Sciences, National Cheng Kung University, Tainan 701, Taiwan, R.O.C
| | - Chi-Cheng Lu
- Department of Pharmacy, Buddhist Tzu Chi General Hospital, Hualien 970, Taiwan, R.O.C
| | - Jo-Hua Chiang
- Department of Nursing, Chung Jen Catholic Junior College, Chiayi County 622, Taiwan, R.O.C
| | - Hong-Yi Chiu
- Department of Pharmacy, Buddhist Tzu Chi General Hospital, Hualien 970, Taiwan, R.O.C
| | - Jai-Sing Yang
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 404, Taiwan, R.O.C
| | - Chao-Ying Lee
- Department of Pharmacy, China Medical University, Taichung 404, Taiwan, R.O.C
| | - Tzong-Der Way
- Department of Biological Science and Technology, China Medical University, Taichung 404, Taiwan, R.O.C
| | - Hao-Jen Huang
- Department of Life Sciences, National Cheng Kung University, Tainan 701, Taiwan, R.O.C.,Institute of Tropical Plant Sciences, National Cheng Kung University, Tainan 701, Taiwan, R.O.C
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9
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Dual "mAb" HER family blockade in head and neck cancer human cell lines combined with photon therapy. Sci Rep 2017; 7:12207. [PMID: 28939847 PMCID: PMC5610257 DOI: 10.1038/s41598-017-12367-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Accepted: 09/07/2017] [Indexed: 01/02/2023] Open
Abstract
Head and neck cancer stem cells (CSCs) are highly resistant to treatment. When EGFR is overexpressed in head and neck squamous cell carcinoma (HNSCC), HER2 and HER3 are also expressed. The aim of the present study was to investigate the effect of HER1/2/3 blockade through a combination of cetuximab and pertuzumab, with or without photon irradiation, on the proliferation and migration/invasion capabilities of an HNSCC chemo- and radioresistant human cell line (SQ20B) and its corresponding stem cell subpopulation. Cell proliferation, migration and invasion were studied after treatment with cetuximab +/− pertuzumab +/− 10 Gy photon irradiation. EGFR, phospho-EGFR, HER2 and HER3 protein expression levels were studied. Activation or inhibition of the RAS/MAPK and AKT-mTOR downstream signalling cascades was investigated through phospho-AKT and phospho-MEK1/2 expression. Cetuximab strongly inhibited SQ20B and FaDu cell proliferation, migration and invasion, whereas it had little effect on SQ20B-CSCs. Cetuximab–pertuzumab combined with radiation significantly inhibited SQ20B and FaDu cell and SQ20B-CSC proliferation, migration and invasion. Cetuximab–pertuzumab with 10 Gy photon irradiation switched off both phospho-AKT and phospho-MEK1/2 expression in the three populations. The triple therapy is therefore thought to inhibit SQ20B cells, SQ20B-CSCs and FaDu cells through an AKT-mTOR and Ras-MAPK downstream signalling blockade.
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10
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Shih CH, Chang YJ, Huang WC, Jang TH, Kung HJ, Wang WC, Yang MH, Lin MC, Huang SF, Chou SW, Chang E, Chiu H, Shieh TY, Chen YJ, Wang LH, Chen L. EZH2-mediated upregulation of ROS1 oncogene promotes oral cancer metastasis. Oncogene 2017; 36:6542-6554. [PMID: 28759046 PMCID: PMC5702718 DOI: 10.1038/onc.2017.262] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Revised: 06/03/2017] [Accepted: 06/08/2017] [Indexed: 12/28/2022]
Abstract
Current anti-epidermal growth factor receptor (EGFR) therapy for oral cancer does not provide satisfactory efficacy due to drug resistance or reduced EGFR level. As an alternative candidate target for therapy, here we identified an oncogene, ROS1, as an important driver for oral squamous cell carcinoma (OSCC) metastasis. Among tumors from 188 oral cancer patients, upregulated ROS1 expression strongly correlated with metastasis to lung and lymph nodes. Mechanistic studies uncover that the activated ROS1 results from highly expressed ROS1 gene instead of gene rearrangement, a phenomenon distinct from other cancers. Our data further reveal a novel mechanism that reduced histone methyltransferase EZH2 leads to a lower trimethylation of histone H3 lysine 27 suppressive modification, relaxes chromatin, and promotes the accessibility of the transcription factor STAT1 to the enhancer and the intron regions of ROS1 target genes, CXCL1 and GLI1, for upregulating their expressions. Down-regulation of ROS1 in highly invasive OSCC cells, nevertheless, reduces cell proliferation and inhibits metastasis to lung in the tail-vein injection and the oral cavity xenograft models. Our findings highlight ROS1 as a candidate biomarker and therapeutic target for OSCC. Finally, we demonstrate that co-targeting of ROS1 and EGFR could potentially offer an effective oral cancer therapy.
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Affiliation(s)
- C-H Shih
- Institute of Molecular Medicine, National Tsing Hua University, Hsinchu, Taiwan, ROC
| | - Y-J Chang
- Institute of Molecular Medicine, National Tsing Hua University, Hsinchu, Taiwan, ROC
| | - W-C Huang
- Institute of Molecular and Genomic Medicine, National Health Research Institutes, Miaoli County, Taiwan, ROC
| | - T-H Jang
- Institute of Molecular and Genomic Medicine, National Health Research Institutes, Miaoli County, Taiwan, ROC
| | - H-J Kung
- Institute of Molecular and Genomic Medicine, National Health Research Institutes, Miaoli County, Taiwan, ROC.,School of Medicine, University of California-Davis, Sacramento, CA, USA
| | - W-C Wang
- Institute of Molecular and Cellular Biology, National Tsing Hua University, Hsinchu, Taiwan, ROC
| | - M-H Yang
- Department of Biotechnology and Laboratory Science in Medicine, National Yang-Ming University, Taipei, Taiwan, ROC
| | - M-C Lin
- Institute of Molecular Medicine, National Tsing Hua University, Hsinchu, Taiwan, ROC
| | - S-F Huang
- Institute of Molecular and Genomic Medicine, National Health Research Institutes, Miaoli County, Taiwan, ROC
| | - S-W Chou
- Institute of Molecular Medicine, National Tsing Hua University, Hsinchu, Taiwan, ROC
| | - E Chang
- Institute of Molecular Medicine, National Tsing Hua University, Hsinchu, Taiwan, ROC
| | - H Chiu
- Institute of Molecular Medicine, National Tsing Hua University, Hsinchu, Taiwan, ROC
| | - T-Y Shieh
- Department of Oral Hygiene, Kaohsiung Medical University, Kaohsiung, Taiwan, ROC
| | - Y-J Chen
- Department of Radiation Oncology, MacKay Memorial Hospital, Taipei, Taiwan, ROC
| | - L-H Wang
- Institute of Molecular and Genomic Medicine, National Health Research Institutes, Miaoli County, Taiwan, ROC
| | - L Chen
- Institute of Molecular Medicine, National Tsing Hua University, Hsinchu, Taiwan, ROC.,Department of Medical Science, National Tsing Hua University, Hsinchu, Taiwan, ROC
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11
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Antitumor Efficacy of SLPI Promoter-Controlled Expression of Artificial microRNA Targeting EGFR in a Squamous Cell Carcinoma Cell Line. Pathol Oncol Res 2017; 23:829-835. [PMID: 28101799 DOI: 10.1007/s12253-016-0160-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2016] [Accepted: 12/14/2016] [Indexed: 10/20/2022]
Abstract
The purpose of this study was to develop a recombinant adenovirus with secretory leukoprotease inhibitor (SLPI) promoter-controlled expression for gene therapy of squamous cell carcinoma (SCC). An artificial microRNA targeting epidermal growth factor receptor (EGFR) was designed, and used to construct a replication-defective recombinant adenovirus with SLPI promoter-controlled expression. The silencing efficiency of this vector (Ad-SLPI-EGFRamiR) was detected in Hep-2 cells. Western blotting showed that the expression of 170 kD EGFR was significantly reduced in Hep-2 cells 72 h after infection with Ad-SLPI-EGFRamiR. At a multiplicity of infection (MOI) of 200 pfu/cell, proliferation of Hep-2 cells was highly inhibited by Ad-SLPI-EGFRamiR (inhibition rate: ~70%). The apoptosis rate of Hep-2 cells at 72 h after infection with Ad-SLPI-EGFRamiR at a MOI 35 pfu/cell was 32.8%. The adenovirus constructed was able to specifically inhibit the growth of SCC cells in vitro.
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12
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Gonzales CB, De La Chapa JJ, Saikumar P, Singha PK, Dybdal-Hargreaves NF, Chavez J, Horning AM, Parra J, Kirma NB. Co-targeting ALK and EGFR parallel signaling in oral squamous cell carcinoma. Oral Oncol 2016; 59:12-19. [PMID: 27424178 PMCID: PMC5460536 DOI: 10.1016/j.oraloncology.2016.05.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2015] [Revised: 04/18/2016] [Accepted: 05/12/2016] [Indexed: 10/21/2022]
Abstract
Squamous cell carcinoma (SCC) comprises 90% of all head and neck cancers and has a poor survival rate due to late-stage disease that is refractive to traditional therapies. Epidermal growth factor receptor (EGFR) is over-expressed in greater than 80% of head and neck SCC (HNSCC). However, EGFR targeted therapies yielded little to no efficacy in clinical trials. This study investigated the efficacy of co-targeting EGFR and the anaplastic lymphoma kinase (ALK) whose promoter is hypomethylated in late-stage oral SCC (OSCC). We observed increased ALK activity in late-stage human OSCC tumors and invasive OSCC cell lines. We also found that while ALK inhibition alone had little effect on proliferation, co-targeting ALK and EGFR significantly reduced OSCC cell proliferation in vitro. Further analysis showed significant efficacy of combined treatment in HSC3-derived xenografts resulting in a 30% decrease in tumor volumes by 14days (p<0.001). Western blot analysis showed that co-targeting ALK and EGFR significantly reduced EGFR phosphorylation (Y1148) in HSC3 cells but not Cal27 cells. ALK and EGFR downstream signaling interactions are also demonstrated by Western blot analysis in which lone EGFR and ALK inhibitors attenuated AKT activity whereas co-targeting ALK and EGFR completely abolished AKT activation. No effects were observed on ERK1/2 activation. STAT3 activity was significantly induced by lone ALK inhibition in HSC3 cells and to a lower extent in Cal27 cells. Together, these data illustrate that ALK inhibitors enhance anti-tumor activity of EGFR inhibitors in susceptible tumors that display increased ALK expression, most likely through abolition of AKT activation.
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Affiliation(s)
- Cara B Gonzales
- Cancer Therapy and Research Center, University of Texas Health Science Center at San Antonio (UTHSCSA), San Antonio, TX 78229, USA; Comprehensive Dentistry, UTHSCSA Dental School, San Antonio, TX 78229, USA.
| | | | | | | | | | - Jeffery Chavez
- Biochemistry, UTHSCSA Medical School, San Antonio, TX 78229, USA
| | - Aaron M Horning
- Molecular Medicine, UTHSCSA Medical School, San Antonio, TX 78229, USA
| | - Jamie Parra
- Pathology, UTHSCSA Medical School, San Antonio, TX 78229, USA
| | - Nameer B Kirma
- Cancer Therapy and Research Center, University of Texas Health Science Center at San Antonio (UTHSCSA), San Antonio, TX 78229, USA; Molecular Medicine, UTHSCSA Medical School, San Antonio, TX 78229, USA.
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Boeckx C, Op de Beeck K, Wouters A, Deschoolmeester V, Limame R, Zwaenepoel K, Specenier P, Pauwels P, Vermorken JB, Peeters M, Van Camp G, Baay M, Lardon F. Overcoming cetuximab resistance in HNSCC: The role of AURKB and DUSP proteins. Cancer Lett 2014; 354:365-77. [DOI: 10.1016/j.canlet.2014.08.039] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2014] [Revised: 08/06/2014] [Accepted: 08/27/2014] [Indexed: 11/26/2022]
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Sorace AG, Korb M, Warram JM, Umphrey H, Zinn KR, Rosenthal E, Hoyt K. Ultrasound-stimulated drug delivery for treatment of residual disease after incomplete resection of head and neck cancer. ULTRASOUND IN MEDICINE & BIOLOGY 2014; 40:755-64. [PMID: 24412168 PMCID: PMC3943631 DOI: 10.1016/j.ultrasmedbio.2013.11.002] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2013] [Revised: 10/18/2013] [Accepted: 11/04/2013] [Indexed: 05/06/2023]
Abstract
Microbubbles triggered with localized ultrasound (US) can improve tumor drug delivery and retention. Termed US-stimulated drug delivery, this strategy was applied to head and neck cancer (HNC) in a post-surgical tumor resection model. Luciferase-positive HNC squamous cell carcinoma (SCC) was implanted in the flanks of nude athymic mice (N = 24) that underwent various degrees of surgical tumor resection (0%, 50% or 100%). After surgery, animals received adjuvant therapy with cetuximab-IRDye alone, or cetuximab-IRDye in combination with US-stimulated drug delivery or saline injections (control) on days 4, 7 and 10. Tumor drug delivery was assessed on days 0, 4, 7, 10, 14 and 17 with an in vivo fluorescence imaging system, and tumor viability was evaluated at the same times with in vivo bioluminescence imaging. Tumor caliper measurements occurred two times per week for 24 d. Optical imaging revealed that in the 50% tumor resection group, US-stimulated drug delivery resulted in a significant increase in cetuximab delivery compared with administration of drug alone on day 10 (day of peak fluorescence) (p = 0.03). Tumor viability decreased in all groups that received cetuximab-IRDye in combination with US-stimulated drug delivery, compared with the group that received only the drug. After various degrees of surgical resection, this novel study reports positive improvements in drug uptake in the residual cancer cells when drug delivery is stimulated with US.
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Affiliation(s)
- Anna G Sorace
- Department of Biomedical Engineering, University of Alabama at Birmingham, Birmingham, Alabama, USA; Department of Radiology, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Melissa Korb
- Department of Surgery, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Jason M Warram
- Department of Radiology, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Heidi Umphrey
- Department of Radiology, University of Alabama at Birmingham, Birmingham, Alabama, USA; Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Kurt R Zinn
- Department of Biomedical Engineering, University of Alabama at Birmingham, Birmingham, Alabama, USA; Department of Radiology, University of Alabama at Birmingham, Birmingham, Alabama, USA; Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, Alabama, USA; Department of Electrical & Computer Engineering, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Eben Rosenthal
- Department of Surgery, University of Alabama at Birmingham, Birmingham, Alabama, USA; Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Kenneth Hoyt
- Department of Biomedical Engineering, University of Alabama at Birmingham, Birmingham, Alabama, USA; Department of Radiology, University of Alabama at Birmingham, Birmingham, Alabama, USA; Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, Alabama, USA; Department of Electrical & Computer Engineering, University of Alabama at Birmingham, Birmingham, Alabama, USA.
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Cagle PT, Allen TC, Olsen RJ. Lung Cancer Biomarkers: Present Status and Future Developments. Arch Pathol Lab Med 2013; 137:1191-8. [DOI: 10.5858/arpa.2013-0319-cr] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
The publication of the “Molecular Testing Guideline for Selection of Lung Cancer Patients for EGFR and ALK Tyrosine Kinase Inhibitors: Guideline From the College of American Pathologists, International Association for the Study of Lung Cancer, and Association for Molecular Pathology” has now provided a guideline for biomarker testing for first-generation lung cancer tyrosine kinase inhibitors. Biomarker testing has forever altered the role of pathologists in the management of patients with lung cancer. Current, unresolved issues in the precision medicine of lung cancer will be addressed by the development of new biomarker tests, new drugs, and new test technologies and by improvement in the cost to benefit ratio of biomarker testing.
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Affiliation(s)
- Philip T. Cagle
- From the Department of Pathology and Genomic Medicine, The Methodist Hospital, Houston, Texas, and the Department of Pathology and Laboratory Medicine, Weill Medical College of Cornell University, New York, New York (Drs Cagle and Olsen); and
- the Department of Pathology, The University of Texas Health Science Center at Tyler (Dr Allen)
| | - Timothy Craig Allen
- From the Department of Pathology and Genomic Medicine, The Methodist Hospital, Houston, Texas, and the Department of Pathology and Laboratory Medicine, Weill Medical College of Cornell University, New York, New York (Drs Cagle and Olsen); and
- the Department of Pathology, The University of Texas Health Science Center at Tyler (Dr Allen)
| | - Randall J. Olsen
- From the Department of Pathology and Genomic Medicine, The Methodist Hospital, Houston, Texas, and the Department of Pathology and Laboratory Medicine, Weill Medical College of Cornell University, New York, New York (Drs Cagle and Olsen); and
- the Department of Pathology, The University of Texas Health Science Center at Tyler (Dr Allen)
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Sasaki K, Anderson E, Shankland SJ, Nicosia RF. Diffuse Proliferative Glomerulonephritis Associated With Cetuximab, an Epidermal Growth Factor Receptor Inhibitor. Am J Kidney Dis 2013; 61:988-91. [DOI: 10.1053/j.ajkd.2013.01.008] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2012] [Accepted: 01/14/2013] [Indexed: 12/30/2022]
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Cagle PT, Olsen RJ. Verifying the role of surgical pathologists in the precision medicine of lung cancer. Arch Pathol Lab Med 2013; 137:1176-8. [PMID: 23276149 DOI: 10.5858/arpa.2012-0659-ed] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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18
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New Advances in the Precision Medicine of Lung Cancer. CURRENT PATHOBIOLOGY REPORTS 2012. [DOI: 10.1007/s40139-012-0007-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Agulnik M. New approaches to EGFR inhibition for locally advanced or metastatic squamous cell carcinoma of the head and neck (SCCHN). Med Oncol 2012; 29:2481-91. [PMID: 22252310 PMCID: PMC3466428 DOI: 10.1007/s12032-012-0159-2] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2011] [Accepted: 01/04/2012] [Indexed: 12/26/2022]
Abstract
Despite recent advances in radiotherapy and chemotherapy, survival rates for squamous cell carcinoma of the head and neck (SCCHN) have remained poor. The focus of SCCHN therapy has more recently shifted to the molecular level, particularly the epidermal growth factor receptor (EGFR/ErbB) pathway. Several agents that target the EGFR pathway, including monoclonal antibodies and tyrosine kinase inhibitors, are under investigation for SCCHN. Searches of PubMed and results of key oncology congresses were performed to identify relevant articles and abstracts. The EGFR-targeted monoclonal antibody cetuximab is approved for the treatment of locally advanced SCCHN in combination with radiotherapy, for first-line treatment of recurrent or metastatic SCCHN in combination with platinum-based chemotherapy and 5-fluorouracil, and for recurrent or metastatic SCCHN following progression with platinum-based chemotherapy. Other investigational EGFR-targeted monoclonal antibodies (e.g., panitumumab, nimotuzumab, zalutumumab) are in clinical development for SCCHN. Inhibition of the tyrosine kinase domain of EGFR has also been explored as a therapeutic approach in SCCHN using small-molecule reversible inhibitors, such as gefitinib and erlotinib. However, a key challenge in SCCHN is the development of resistance, and strategies are being pursued to delay or overcome resistance to EGFR-targeted agents. These strategies include development of agents that inhibit multiple ErbB receptors simultaneously (e.g., lapatinib) or that bind multiple ErbB family receptors irreversibly (e.g., afatinib, PF-00299804) and investigation of combinations of agents that target multiple pathways implicated in the pathogenesis of SCCHN. Ongoing large clinical trials are evaluating these emerging agents and combinations for the treatment of SCCHN.
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Affiliation(s)
- Mark Agulnik
- Department of Medicine, Division of Hematology/Oncology, Northwestern University Feinberg School of Medicine, 676 North Saint Clair Street, Suite 850, Chicago, IL 60611-2942, USA.
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Masuelli L, Budillon A, Marzocchella L, Mrozek MA, Vitolo D, Di Gennaro E, Losito S, Sale P, Longo F, Ionna F, Lista F, Muraro R, Modesti A, Bei R. Caveolin-1 overexpression is associated with simultaneous abnormal expression of the E-cadherin/α-β catenins complex and multiple ErbB receptors and with lymph nodes metastasis in head and neck squamous cell carcinomas. J Cell Physiol 2012; 227:3344-53. [PMID: 22213373 DOI: 10.1002/jcp.24034] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The presence of lymph node metastases is one of the most important prognostic indicators in head and neck squamous cell carcinomas (HNSCCs). An alteration of the E-cadherin-catenins complex and EGFR is essential for the invasiveness of cancer cells. Caveolin-1, the major structural protein of the caveolae, represents a scaffolding molecule for several signaling proteins including EGFR. Although caveolin-1 has been shown to play a role in inducing the invasive phenotype of cancer cells, its role appears to be cell-type specific and for some tumors it has not been defined yet. In this study we used 57 HNSCC specimens to investigate whether the abnormal expression of caveolin-1 was associated with the derangement of the E-cadherin-catenins complex and with the overexpression of ErbB receptors. We demonstrate that in HNSCCs caveolin-1 overexpression is associated with the simultaneous abnormal expression of at least one member of the E-cadherin/α-β catenins complex and multiple ErbB receptors as well as with lymph node metastases. We also demonstrate that chronic stimulation of a human hypopharyngeal carcinoma cell line (FaDu) with EGF induced the internalization of β-catenin and caveolin-1 and their co-localization with EGFR. Moreover, EGF treatment induced an increased physical interaction between EGFR/β-catenin/caveolin-1 and between E-cadherin/β-catenin/caveolin-1. These molecular events were associated with an increased directional motility of FaDu cells in vitro. These findings may provide new insight into the biology of HNSCC progression and help to identify subgroups of primary HNSCCs with a more aggressive behavior.
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Affiliation(s)
- Laura Masuelli
- Department of Experimental Medicine, University Sapienza, Rome, Italy
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Wollina U, Bayyoud Y, Krönert C, Nowak A. Giant epithelial malignancies (Basal cell carcinoma, squamous cell carcinoma): a series of 20 tumors from a single center. J Cutan Aesthet Surg 2012; 5:12-9. [PMID: 22557850 PMCID: PMC3339122 DOI: 10.4103/0974-2077.94328] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Background: Among nonmelanoma skin cancer (NMSC), basal cell carcinoma (BCC), and squamous cell carcinoma (SCC) are the most common. Giant NMSCs have occasionally reported in the medical literature with particular problems related to diagnosis and treatment. The aim of this study was to analyze patients, treatment, and outcome with giant BCC/SCC. Materials and Methods: We analyzed our files between January 1, 2008, and December 31, 2011, of an academic teaching hospital in the dermatology department. Patients were analyzed according to demographic factors, clinical presentation, histopathology, treatment, and outcome. American Society of Anesthesiology physical status system was used to assess the fitness of patients before surgery. Results: The frequency of giant NMSC was estimated as 0.4% for both tumor entities. 80% of giant BCC patients were female and 100% of giant SCC patients were male. The mean age was 81.5 ± 8.5 years for BCC) and 79.5 ± 11.4 years for SCC. The major anatomical site was the scalp. Four of 10 BCCs were classified metatypic (basosquamous). Perineural infiltration was seen in 5 NMSCs. Seventy percent of patients had an ASA score ≥3. Surgery was performed in general anaesthesia in 5 (BCC) and 6 (SCC) patients, respectively. All other patients were operated in local or tumescence anesthesia. Blood transfusions were necessary in five patients. The primary treatment was delayed Mohs technique. Defect closure was realized with rotational flaps in most cases. Neoadjuvant chemoimmune therapy and adjuvant combined cetuximab/radiotherapy have been performed in three patients. We observed three deaths, all unrelated to NMSC. 75% of patients achieved complete remission. Conclusions: Giant NMSC is uncommon but not rare. These tumors are high-risk subtypes. Treatment needs an interdisciplinary approach.
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Affiliation(s)
- Uwe Wollina
- Department of Dermatology and Allergology, Academic Teaching Hospital Dresden-Friedrichstadt, Dresden, Germany
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Ferreira MBA, Lima JPSN, Cohen EEW. Novel targeted therapies in head and neck cancer. Expert Opin Investig Drugs 2012; 21:281-95. [PMID: 22239178 DOI: 10.1517/13543784.2012.651455] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
INTRODUCTION Molecularly targeted therapy, with the potential for increased selectivity and fewer adverse effects, hold promise in the treatment of HNSCC. AREAS COVERED Targeted agents for HNSCC expected to improve the effectiveness of current therapy including HER family, Src-family kinase, cell cycle, MET, AKT, HDAC, PARP, COX inhibitors and antiangiogenesis. EXPERT OPINION Epidermal growth factor receptor inhibitors are established in HNSCC and the need now is to find biomarkers for sensitivity to better select patients. Moreover, other pathway inhibitors hold significant promise and are being tested in clinical trials. Angiogenesis inhibition is likely to yield only modest efficacy alone but may augment existing standards. Lastly, one clinical arena where targeted therapies may find secure purchase is in the adjuvant or prevention setting where minimal or preneoplastic disease can be affected by inhibition of a single or few targets.
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Läppchen T, Vlaming ML, Custers E, Lub J, Sio CF, DeGroot J, Steinbach OC. Automated synthesis of [18F]gefitinib on a modular system. Appl Radiat Isot 2012; 70:205-9. [DOI: 10.1016/j.apradiso.2011.09.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2011] [Revised: 08/28/2011] [Accepted: 09/07/2011] [Indexed: 12/13/2022]
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Longo SL, Padalino DJ, McGillis S, Petersen K, Schirok H, Politz O, Canute GW, Post DE. Bay846, a new irreversible small molecule inhibitor of EGFR and Her2, is highly effective against malignant brain tumor models. Invest New Drugs 2011; 30:2161-72. [PMID: 22203214 DOI: 10.1007/s10637-011-9784-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2011] [Accepted: 12/09/2011] [Indexed: 12/22/2022]
Abstract
The epidermal growth factor receptor (EGFR) pathway is aberrantly activated in tumors and plays a key role in promoting tumor growth. Small molecule inhibitors which bind reversibly to EGFR have demonstrated limited clinical activity. Thus, there is a continued need to develop novel EGFR inhibitors with improved anti-tumor activity. Bay846 is a newly developed small molecule inhibitor that binds irreversibly to the tyrosine kinase domains of EGFR and Her2. The in vitro and in vivo efficacy of Bay846 was tested using a panel of nine human malignant brain tumor (glioma) models. Lapatinib, a reversible inhibitor of EGFR and Her2, was included for comparison. Six glioma cell lines were sensitive to Bay846 treatment. Bay846 strongly suppressed tumor cell growth in vitro by inducing cell lysis/death rather than cell cycle arrest. Consistent with this, Bay846 had potent anti-tumor activity which led to regressions in tumor size. The active, phosphorylated form of EGFR was reduced by Bay846 treatment in vitro and in tumors. Importantly, the efficacy of Bay846 was significantly greater than lapatinib in all assays. Bay846-sensitivity was associated with expression of a wild-type PTEN in conjunction with high levels of an oncogenic EGFR variant (A289V or EGFRvIII). These studies demonstrate that targeting the EGFR pathway with the irreversible inhibitor Bay846 has great potential to increase the efficacy of this cancer therapy.
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Affiliation(s)
- Sharon L Longo
- Department of Neurosurgery, State University of New York (SUNY), Upstate Medical University, Syracuse, NY 13210, USA
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Rao VH, Kandel A, Lynch D, Pena Z, Marwaha N, Deng C, Watson P, Hansen LA. A positive feedback loop between HER2 and ADAM12 in human head and neck cancer cells increases migration and invasion. Oncogene 2011; 31:2888-98. [PMID: 21986939 PMCID: PMC3302945 DOI: 10.1038/onc.2011.460] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Increased activation of epidermal growth factor receptor (EGFR) family members such as HER2/Erbb2 can result in more aggressive disease, resistance to chemotherapy and reduced survival of head and neck squamous cell carcinoma (HNSCC) patients. In order to identify mechanisms through which these receptor tyrosine kinases accelerate tumor progression, the regulation of metalloprotease expression by EGFR family members was investigated in 11 SCC cell lines. HER2 expression was significantly correlated with ADAM12 (A Disintegrin And Metalloprotease 12) expression in these cell lines and was co-expressed in human head and neck cancers. Inhibition of HER2 or EGFR decreased ADAM12 transcripts while HER2 transfection up-regulated ADAM12 expression. To understand the molecular mechanisms underlying HER2 regulation of ADAM12, we investigated the signaling pathways directing ADAM12 production in SCC cells. Inhibition of phosphatidyl inositol-3-kinase (PI3K) or mammalian Target of Rapamycin (mTOR) decreased ADAM12 transcripts in HER2-expressing SCC cells, while transfection with AKT increased ADAM12 mRNA. Experiments utilizing ADAM12 transfection or siRNA targeting of ADAM12 revealed that the protease increased both the migration and invasiveness of oral SCC cells. Surprisingly, ADAM12 also increased HER2 message, protein levels, and activity through an Ets1-dependent mechanism. Collectively, these results reveal a novel positive activation loop between ADAM12 and HER2 that may contribute to HNSCC progression.
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Affiliation(s)
- V H Rao
- Department of Biomedical Sciences, Creighton University School of Medicine, Omaha, NE 68178, USA
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Oral complications of targeted cancer therapies: A narrative literature review. Oral Oncol 2011; 47:441-8. [DOI: 10.1016/j.oraloncology.2011.03.028] [Citation(s) in RCA: 95] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2011] [Revised: 03/23/2011] [Accepted: 03/28/2011] [Indexed: 01/08/2023]
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Current World Literature. Curr Opin Oncol 2011; 23:303-10. [DOI: 10.1097/cco.0b013e328346cbfa] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Lee J, Moon C. Current status of experimental therapeutics for head and neck cancer. Exp Biol Med (Maywood) 2011; 236:375-89. [PMID: 21427235 DOI: 10.1258/ebm.2010.010354] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
As with many cancers, early detection of head and neck cancer increases a patient's survival rate. If diagnosed early, its five-year survival nears 90% with standard therapy alone. Unfortunately, the average survival rate for head and neck cancer is low due to the difficulty in early detection and achieving a sustainable response. Conventional treatments are not adequate for the majority of advanced or recurrent head and neck cancer patients because of the remarkable resistance of tumors to chemotherapy and radiation, and the situation is especially devastating for the first time treatment failure. The major limitations of these treatments are the lack of specificity for the tumor cell and unacceptable toxicity to the patient. As a result, current research in therapeutics for advanced, chemotherapy-resistant or recurrent head and neck cancer patients has focused on new treatment modalities that exploit biological differences between tumor and normal cells. These therapies include monoclonal antibodies, molecular inhibitors, gene therapy and photodynamic therapy. This article reviews the current preclinical and clinical evidence of these experimental therapeutics as they relate to head and neck cancer.
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Affiliation(s)
- Juna Lee
- Graduate Program in Human Genetics, The Johns Hopkins University School of Medicine and The Sidney Kimmel Comprehensive Cancer Center, Baltimore, MD 21218, USA
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