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Haghshenas MR, Ghaderi H, Daneste H, Ghaderi A. Immunological and biological dissection of normal and tumoral salivary glands. Int Rev Immunol 2023; 42:139-155. [PMID: 34378486 DOI: 10.1080/08830185.2021.1958806] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Salivary glands naturally play central roles in oral immunity. The salivary glands microenvironment inevitable may be exposed to exogenous factors consequently triggering the initiation and formation of various malignant and benign tumors. Mesenchymal stem cells are recruited into salivary gland microenvironment, interact with tumor cells, and induce inhibitory cytokines as well as cells with immunosuppressive phenotypes such as myeloid-derived suppressor cells (MDSCs) and regulatory T cells (Tregs). The immune components and tumor immune responses in malignant and benign SGTs are still under investigation. Immune responses may directly play a limiting role in tumor growth and expansion, or may participate in formation of a rich milieu for tumor growth in cooperation with other cellular and regulatory molecules. Immune checkpoint molecules (e.g. PDLs, HLA-G and LAG3) are frequently expressed on tumor cells and/or tumor-infiltrating lymphocytes (TILs) in salivary gland microenvironment, and an increase in their expression is associated with T cell exhaustion, immune tolerance and tumor immune escape. Chemokines and chemokine receptors have influential roles on aggressive behaviors of SGTs, and thereby they could be candidate targets for cancer immunotherapy. To present a broad knowledge on salivary glands, this review first provides a brief description on immunological functions of normal salivary glands, and then describe the SGT's tumor microenvironment, by focusing on mesenchymal stem cells, immune cell subsets, immune checkpoint molecules, chemokines and chemokine receptors, and finally introduces immune checkpoint inhibitors as well as potential targets for cancer therapy.
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Affiliation(s)
- Mohammad Reza Haghshenas
- Shiraz Institute for Cancer Research, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Hamid Ghaderi
- Shiraz Institute for Cancer Research, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Hossein Daneste
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Abbas Ghaderi
- Shiraz Institute for Cancer Research, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.,Department of Immunology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
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2
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Israr M, DeVoti JA, Papayannakos CJ, Bonagura VR. Role of chemokines in HPV-induced cancers. Semin Cancer Biol 2022; 87:170-183. [PMID: 36402301 DOI: 10.1016/j.semcancer.2022.11.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 11/10/2022] [Accepted: 11/14/2022] [Indexed: 11/18/2022]
Abstract
Human papillomaviruses (HPVs) cause cancers of the uterine cervix, oropharynx, anus, and vulvovaginal tract. Low-risk HPVs, such as HPV6 and 11, can also cause benign mucosal lesions including genital warts, and in patients with recurrent respiratory papillomatosis, lesions in the larynx, and on occasion, in the lungs. However, both high and less tumorigenic HPVs share a striking commonality in manipulating both innate and adaptive immune responses in HPV- infected keratinocytes, the natural host for HPV infection. In addition, immune/inflammatory cell infiltration into the tumor microenvironment influences cancer growth and prognosis, and this process is tightly regulated by different chemokines. Chemokines are small proteins and exert their biological effects by binding with G protein-coupled chemokine receptors (GPCRs) that are found on the surfaces of select target cells. Chemokines are not only involved in the establishment of a pro-tumorigenic microenvironment and organ-directed metastases but also involved in disease progression through enhancing tumor cell growth and proliferation. Therefore, having a solid grasp on chemokines and immune checkpoint modulators can help in the treatment of these cancers. In this review, we discuss the recent advances on the expression patterns and regulation of the main chemokines found in HPV-induced cancers, and their effects on both immune and non-immune cells in these lesions. Importantly, we also present the current knowledge of therapeutic interventions on the expression of specific chemokine and their receptors that have been shown to influence the development and progression of HPV-induced cancers.
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Affiliation(s)
- Mohd Israr
- The Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY, United States; The Department of Pediatrics, The Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
| | - James A DeVoti
- The Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY, United States; The Department of Pediatrics, The Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
| | - Christopher J Papayannakos
- The Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY, United States; The Department of Pediatrics, The Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
| | - Vincent R Bonagura
- The Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY, United States; The Department of Pediatrics, The Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States.
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3
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Egal ESA, Scarini JF, de Lima-Souza RA, Lavareze L, Fernandes PM, Emerick C, Gonçalves MT, Helms MN, Altemani A, Mariano FV. Tumor microenvironment in salivary gland carcinomas: An orchestrated state of chaos. Oral Oncol 2022; 127:105777. [DOI: 10.1016/j.oraloncology.2022.105777] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 02/01/2022] [Accepted: 02/13/2022] [Indexed: 12/14/2022]
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4
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Tiburcius S, Krishnan K, Patel V, Netherton J, Sathish C, Weidenhofer J, Yang JH, Verrills NM, Karakoti A, Vinu A. Triple Surfactant Assisted Synthesis of Novel Core-shell Mesoporous Silica Nanoparticles with High Surface Area for Drug Delivery for the Prostate Cancer. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2022. [DOI: 10.1246/bcsj.20210428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Steffi Tiburcius
- Global Innovative Centre for Advanced Nanomaterials, College of Engineering Science and Environment
| | - Kannan Krishnan
- Global Innovative Centre for Advanced Nanomaterials, College of Engineering Science and Environment
| | - Vaishwik Patel
- Global Innovative Centre for Advanced Nanomaterials, College of Engineering Science and Environment
| | - Jacob Netherton
- School of Biomedical Sciences and Pharmacy, College of Health Medicine and Wellbeing, The University of Newcastle, Callaghan, 2308, NSW, Australia
| | - C.I. Sathish
- Global Innovative Centre for Advanced Nanomaterials, College of Engineering Science and Environment
| | - Judith Weidenhofer
- School of Biomedical Sciences and Pharmacy, College of Health Medicine and Wellbeing, The University of Newcastle, Callaghan, 2308, NSW, Australia
| | - Jae-Hun Yang
- Global Innovative Centre for Advanced Nanomaterials, College of Engineering Science and Environment
| | - Nicole M Verrills
- School of Biomedical Sciences and Pharmacy, College of Health Medicine and Wellbeing, The University of Newcastle, Callaghan, 2308, NSW, Australia
| | - Ajay Karakoti
- Global Innovative Centre for Advanced Nanomaterials, College of Engineering Science and Environment
| | - Ajayan Vinu
- Global Innovative Centre for Advanced Nanomaterials, College of Engineering Science and Environment
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5
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Nisar S, Yousuf P, Masoodi T, Wani NA, Hashem S, Singh M, Sageena G, Mishra D, Kumar R, Haris M, Bhat AA, Macha MA. Chemokine-Cytokine Networks in the Head and Neck Tumor Microenvironment. Int J Mol Sci 2021; 22:ijms22094584. [PMID: 33925575 PMCID: PMC8123862 DOI: 10.3390/ijms22094584] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Revised: 04/03/2021] [Accepted: 04/05/2021] [Indexed: 02/07/2023] Open
Abstract
Head and neck squamous cell carcinomas (HNSCCs) are aggressive diseases with a dismal patient prognosis. Despite significant advances in treatment modalities, the five-year survival rate in patients with HNSCC has improved marginally and therefore warrants a comprehensive understanding of the HNSCC biology. Alterations in the cellular and non-cellular components of the HNSCC tumor micro-environment (TME) play a critical role in regulating many hallmarks of cancer development including evasion of apoptosis, activation of invasion, metastasis, angiogenesis, response to therapy, immune escape mechanisms, deregulation of energetics, and therefore the development of an overall aggressive HNSCC phenotype. Cytokines and chemokines are small secretory proteins produced by neoplastic or stromal cells, controlling complex and dynamic cell-cell interactions in the TME to regulate many cancer hallmarks. This review summarizes the current understanding of the complex cytokine/chemokine networks in the HNSCC TME, their role in activating diverse signaling pathways and promoting tumor progression, metastasis, and therapeutic resistance development.
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Affiliation(s)
- Sabah Nisar
- Molecular and Metabolic Imaging Laboratory, Cancer Research Department, Sidra Medicine, Doha 26999, Qatar; (S.N.); (S.H.); (M.H.)
| | - Parvaiz Yousuf
- Department of Zoology, School of Life Sciences, Central University of Kashmir, Ganderbal 191201, India;
| | - Tariq Masoodi
- Department of Genomic Medicine, Genetikode 400102, India;
| | - Nissar A. Wani
- Department of Biotechnology, School of Life Sciences, Central University of Kashmir, Ganderbal 191201, India;
| | - Sheema Hashem
- Molecular and Metabolic Imaging Laboratory, Cancer Research Department, Sidra Medicine, Doha 26999, Qatar; (S.N.); (S.H.); (M.H.)
| | - Mayank Singh
- Departmental of Medical Oncology, Dr. B. R. Ambedkar Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi 110029, India;
| | | | - Deepika Mishra
- Centre for Dental Education and Research, Department of Oral Pathology and Microbiology, All India Institute of Medical Sciences, New Delhi 110029, India;
| | - Rakesh Kumar
- Centre for Advanced Research, School of Biotechnology and Indian Council of Medical Research, Shri Mata Vaishno Devi University, Katra 182320, India;
| | - Mohammad Haris
- Molecular and Metabolic Imaging Laboratory, Cancer Research Department, Sidra Medicine, Doha 26999, Qatar; (S.N.); (S.H.); (M.H.)
- Laboratory Animal Research Center, Qatar University, Doha 2713, Qatar
| | - Ajaz A. Bhat
- Molecular and Metabolic Imaging Laboratory, Cancer Research Department, Sidra Medicine, Doha 26999, Qatar; (S.N.); (S.H.); (M.H.)
- Correspondence: (A.A.B.); or (M.A.M.); Tel.: +974-40037703 (A.A.B.); +91-8082326900 (M.A.M.)
| | - Muzafar A. Macha
- Watson-Crick Centre for Molecular Medicine, Islamic University of Science and Technology, Awantipora 192122, India
- Correspondence: (A.A.B.); or (M.A.M.); Tel.: +974-40037703 (A.A.B.); +91-8082326900 (M.A.M.)
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6
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Abbas SZ, Qadir MI, Muhammad SA. Systems-level differential gene expression analysis reveals new genetic variants of oral cancer. Sci Rep 2020; 10:14667. [PMID: 32887903 PMCID: PMC7473858 DOI: 10.1038/s41598-020-71346-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Accepted: 07/20/2020] [Indexed: 01/28/2023] Open
Abstract
Oral cancer (OC) ranked as eleventh malignancy worldwide, with the increasing incidence among young patients. Limited understanding of complications in cancer progression, its development system, and their interactions are major restrictions towards the progress of optimal and effective treatment strategies. The system-level approach has been designed to explore genetic complexity of the disease and to identify novel oral cancer related genes to detect genomic alterations at molecular level, through cDNA differential analysis. We analyzed 21 oral cancer-related cDNA datasets and listed 30 differentially expressed genes (DEGs). Among 30, we found 6 significant DEGs including CYP1A1, CYP1B1, ADCY2, C7, SERPINB5, and ANAPC13 and studied their functional role in OC. Our genomic and interactive analysis showed significant enrichment of xenobiotics metabolism, p53 signaling pathway and microRNA pathways, towards OC progression and development. We used human proteomic data for post-translational modifications to interpret disease mutations and inter-individual genetic variations. The mutational analysis revealed the sequence predicted disordered region of 14%, 12.5%, 10.5% for ADCY2, CYP1B1, and C7 respectively. The MiRNA target prediction showed functional molecular annotation including specific miRNA-targets hsa-miR-4282, hsa-miR-2052, hsa-miR-216a-3p, for CYP1B1, C7, and ADCY2 respectively associated with oral cancer. We constructed the system level network and found important gene signatures. The drug-gene interaction of OC source genes with seven FDA approved OC drugs help to design or identify new drug target or establishing novel biomedical linkages regarding disease pathophysiology. This investigation demonstrates the importance of system genetics for identifying 6 OC genes (CYP1A1, CYP1B1, ADCY2, C7, SERPINB5, and ANAPC13) as potential drugs targets. Our integrative network-based system-level approach would help to find the genetic variants of OC that can accelerate drug discovery outcomes to develop a better understanding regarding treatment strategies for many cancer types.
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Affiliation(s)
- Syeda Zahra Abbas
- Institute of Molecular Biology and Biotechnology, Bahauddin Zakariya University, Multan, Pakistan
| | - Muhammad Imran Qadir
- Institute of Molecular Biology and Biotechnology, Bahauddin Zakariya University, Multan, Pakistan
| | - Syed Aun Muhammad
- Institute of Molecular Biology and Biotechnology, Bahauddin Zakariya University, Multan, Pakistan.
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7
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Singh S, Kumaravel S, Dhole S, Roy S, Pavan V, Chakraborty S. Neuropeptide Substance P Enhances Inflammation-Mediated Tumor Signaling Pathways and Migration and Proliferation of Head and Neck Cancers. Indian J Surg Oncol 2020; 12:93-102. [PMID: 33994734 DOI: 10.1007/s13193-020-01210-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 08/25/2020] [Indexed: 12/27/2022] Open
Abstract
Head and neck cancers (HNC) are extremely aggressive, highly recurrent, and the sixth most common cancer worldwide. Neuropeptide substance P, along with its primary receptor, neurokinin-1 (NK-1R), is overexpressed in HNC and is a central player in inflammation and growth and metastasis of several cancers. However, the precise SP-mediated signaling that promotes HNC progression remains ill defined. Using a panel of HNC lines, in this study, we investigated the effects of SP on proliferation and migration of HNC. Tumor cells were also treated with SP and alterations in inflammatory cytokines and chemokines, and their cognate receptors were analyzed by real-time PCR. Furthermore, we investigated the role of SP in inducing epithelial-mesenchymal transition (EMT), and matrix metalloproteases that promote tumor invasion. Our results showed that SP significantly increased tumor cell proliferation and migration and induced the expression of several genes that promote tumor growth, invasion, and metastasis which was suppressed by a specific NK1R antagonist L-703606. SP also activated NFκB that was suppressed on inhibiting NK1R. Collectively, our data shows that SP-NK1R-mediated inflammatory signaling comprises an important signaling axis in promoting HNC and may prove to be effective clinical target against HNC cells that are resistant to traditional therapy.
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Affiliation(s)
- Sumeet Singh
- Department of Medical Physiology, College of Medicine, Texas A&M Health Science Center, Medical Research and Education Building, 8447 Riverside Parkway, Bryan, TX 77807 USA
| | - Subhashree Kumaravel
- Department of Medical Physiology, College of Medicine, Texas A&M Health Science Center, Medical Research and Education Building, 8447 Riverside Parkway, Bryan, TX 77807 USA
| | - Saurabh Dhole
- Department of Medical Physiology, College of Medicine, Texas A&M Health Science Center, Medical Research and Education Building, 8447 Riverside Parkway, Bryan, TX 77807 USA
| | - Sukanya Roy
- Department of Medical Physiology, College of Medicine, Texas A&M Health Science Center, Medical Research and Education Building, 8447 Riverside Parkway, Bryan, TX 77807 USA
| | - Vani Pavan
- Department of Medical Physiology, College of Medicine, Texas A&M Health Science Center, Medical Research and Education Building, 8447 Riverside Parkway, Bryan, TX 77807 USA
| | - Sanjukta Chakraborty
- Department of Medical Physiology, College of Medicine, Texas A&M Health Science Center, Medical Research and Education Building, 8447 Riverside Parkway, Bryan, TX 77807 USA
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8
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Regenbogen S, Stagno MJ, Schleicher S, Schilbach K, Bösmüller H, Fuchs J, Schmid E, Seitz G. Cytotoxic drugs in combination with the CXCR4 antagonist AMD3100 as a potential treatment option for pediatric rhabdomyosarcoma. Int J Oncol 2020; 57:289-300. [PMID: 32377699 DOI: 10.3892/ijo.2020.5059] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Accepted: 03/26/2020] [Indexed: 11/05/2022] Open
Abstract
Rhabdomyosarcoma (RMS) is the most common type of pediatric soft tissue sarcoma. The prognosis of advanced stage RMS remains poor, and metastatic invasion is a major cause of treatment failure. Therefore, there is an urgent need for treatment alternatives focusing on metastatic invasion and drug resistance. The stromal cell‑derived factor‑1 (SDF‑1)/chemokine receptor 4 (CXCR4) axis is a crucial factor for metastatic invasion in RMS. Clinical data has revealed that high CXCR4 expression is associated with a poor outcome and a high metastatic rate in several malignancies, including RMS. Thus, targeting CXCR4 in addition to classical chemotherapy may improve the effectiveness of RMS treatment. In the present study, flow cytometry and reverse transcription‑quantitative PCR were used to assess the effects of the combined treatment with a CXCR4 antagonist and chemotherapy on CXCR4 expression in the embryonal RMS (RME) cell line RD and in the alveolar RMS (RMA) cell line RH30. The functional effect of CXCR4 expression on the migratory behavior of RMS cells was analyzed using Transwell assays. Treatment with cytotoxic agents modulated CXCR4 expression in RMS cells in a dose‑, drug‑ and cell line dependent manner; however, this was not observed in RD cells with vincristine. The expression levels of CXCR4 significantly increased the migratory behavior of RMA and did not affect RME cell migration towards stromal cell‑derived factor‑1α (SDF‑1α). AMD3100 markedly reduced the migration of RH30 cells in the Transwell assays compared with SDF‑1α alone, and the cytotoxic agents doxorubicin and vincristine increased this effect. The results of the combined treatment in RMS cells using the CXCR4 antagonist AMD3100 together with cytotoxic drugs demonstrated that this approach may be a promising alternative for the treatment of advanced stage pediatric RMS. The observed effects of circumventing metastatic invasion and drug resistance should be further investigated in vivo.
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Affiliation(s)
- Stephan Regenbogen
- Department of Pediatric Surgery and Pediatric Urology, University Children's Hospital, D‑72076 Tuebingen, Germany
| | - Matias Julian Stagno
- Department of Pediatric Surgery and Pediatric Urology, University Children's Hospital, D‑72076 Tuebingen, Germany
| | - Sabine Schleicher
- Department of Haematology and Oncology, University Children's Hospital, D‑72076 Tuebingen, Germany
| | - Karin Schilbach
- Department of Haematology and Oncology, University Children's Hospital, D‑72076 Tuebingen, Germany
| | - Hans Bösmüller
- Department of Pathology, University Hospital Tuebingen, D‑72076 Tuebingen, Germany
| | - Jörg Fuchs
- Department of Pediatric Surgery and Pediatric Urology, University Children's Hospital, D‑72076 Tuebingen, Germany
| | - Evi Schmid
- Department of Pediatric Surgery and Pediatric Urology, University Children's Hospital, D‑72076 Tuebingen, Germany
| | - Guido Seitz
- Department of Pediatric Surgery and Pediatric Urology, University Children's Hospital, D‑72076 Tuebingen, Germany
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9
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Klein Nulent TJW, van Es RJJ, Valstar MH, Smeele LE, Smit LA, Klein Gunnewiek R, Zuithoff NPA, de Keizer B, de Bree R, Willems SM. High CXCR4 expression in adenoid cystic carcinoma of the head and neck is associated with increased risk of locoregional recurrence. J Clin Pathol 2020; 73:476-482. [PMID: 31948995 DOI: 10.1136/jclinpath-2019-206273] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 11/30/2019] [Accepted: 12/16/2019] [Indexed: 01/05/2023]
Abstract
AIM Treatment options for head and neck adenoid cystic carcinoma (AdCC) are limited in advanced disease. Chemokine receptor type 4 (CXCR4) is present in various tumour types, including AdCC. Upregulation is associated with tumour recurrence and metastasis. New CXCR4-specific diagnostic and therapeutic target agents have recently been available. This study aimed to analyse CXCR4 expression in a cohort of primary head and neck AdCC. METHODS After histopathological revision, tumour tissues of 73 consecutive patients with AdCC over 1990-2016 were sampled on a tissue microarray. Slides were immunohistochemically stained for CXCR4 and semiquantitatively scored. Associations between protein expression and cliniopathological parameters were tested. HRs were calculated using a Cox proportional hazard model. RESULTS Sixty-six tumours could be analysed. CXCR4 expression was present in 81% of the tumours with a median of 29% (IQR 1-70) positive cells. Expression was univariately correlated to perineural growth (Spearman ρ .26, p=0.04) and bone invasion (Spearman ρ .32, p=0.01), but not with tumour grade.CXCR4 expression in the primary tumour was significantly higher in tumours that recurred as compared with those that did not recur (median 60%, IQR 33-72 vs 12%, IQR 1-70, Kruskal-Wallis p=0.01). After dichotomisation, >25% of CXCR4 expressions proved an independent prognosticator for a reduced recurrence-free survival (RFS) (HR 7.2, 95% CI 1.5 to 72.4, p=0.04). CONCLUSION CXCR4 is expressed in the majority of primary AdCCs and independently correlated to worse RFS, suggesting CXCR4 as a target for imaging and therapy purposes in patients with advanced AdCC.
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Affiliation(s)
- Thomas J W Klein Nulent
- Head and Neck Surgical Oncology, University Medical Center Utrecht, Utrecht, The Netherlands .,Oral and Maxillofacial Surgery, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Robert J J van Es
- Head and Neck Surgical Oncology, University Medical Center Utrecht, Utrecht, The Netherlands.,Oral and Maxillofacial Surgery, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Matthijs H Valstar
- Head and Neck Oncology and Surgery, Netherlands Cancer Institute/Antoni van Leeuwenhoek, Amsterdam, The Netherlands.,Oral and Maxillofacial Surgery, Amsterdam UMC Cancer Center and Academic Centre for Dentistry Amsterdam (ACTA), Amsterdam, The Netherlands
| | - Ludwig E Smeele
- Head and Neck Oncology and Surgery, Netherlands Cancer Institute/Antoni van Leeuwenhoek, Amsterdam, The Netherlands.,Oral and Maxillofacial Surgery, Amsterdam UMC Cancer Center and Academic Centre for Dentistry Amsterdam (ACTA), Amsterdam, The Netherlands
| | - Laura A Smit
- Pathology, Netherlands Cancer Institute/Antoni van Leeuwenhoek, Amsterdam, The Netherlands
| | | | - Nicolaas P A Zuithoff
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Bart de Keizer
- Radiology and Nuclear Medicine, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Remco de Bree
- Head and Neck Surgical Oncology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Stefan M Willems
- Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
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10
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Michalek J, Brychtova S, Pink R, Dvorak Z. Prognostic and predictive markers for perineural and bone invasion of oral squamous cell carcinoma. Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub 2019; 163:302-308. [PMID: 31435075 DOI: 10.5507/bp.2019.032] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Accepted: 06/26/2019] [Indexed: 02/06/2023] Open
Abstract
Oral squamous cell carcinoma (OSCC) is a growing problem worldwide. Several biological and molecular criteria have been established for making a prognosis of OSCC. One of the most important factors affecting the risk of tumor recurrence and overall prognosis is perineural invasion and bone invasion. Perineural invasion is defined as a tumor spreading and the ability of tumor cells to penetrate around or through the nerve tissue. Perineural invasion can cause the tumor to spread to distant areas from the primary tumor location. One possible explanation for this is the formation of microenvironment in the perineural space which may contain cellular factors that act on both nerve tissue and some types of tumor tissues. Bone invasion by OSCC has major implications for tumor staging, choice of treatment, outcome and quality of life. Oral SCCs invade the mandibular or maxillary bone through an erosive, infiltrative or mixed pattern that correlates with clinical behavior. Bone resorption by osteoclasts is an important step in the process of bone invasion by oral SCCs. Some cytokines (e.g. TNFα and PTHrP) lead to receptor activator of NF-κB ligand (RANKL) expression or osteoprotegerin (OPG) suppression in oral SCC cells and in cancer stromal cells to induce osteoclastogenesis. Oral SCCs provide a suitable microenvironment for osteoclastogenesis to regulate the balance of RANKL and OPG. A more molecular-based clinical staging and tailor-made therapy would benefit patients with bone invasion by OSCC.
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Affiliation(s)
- Jaroslav Michalek
- Department of Clinical and Molecular Pathology, Faculty of Medicine and Dentistry, Palacky University Olomouc and University Hospital Olomouc, Czech Republic
| | - Svetlana Brychtova
- Department of Clinical and Molecular Pathology, Faculty of Medicine and Dentistry, Palacky University Olomouc and University Hospital Olomouc, Czech Republic
| | - Richard Pink
- Department of Oral and Maxillofacial Surgery, University Hospital Olomouc, Czech Republic
| | - Zdenek Dvorak
- Department of Plastic and Aesthetic Surgery of St. Anne`s University Hospital and Faculty of Medicine, Masaryk University Brno, Czech Republic
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11
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Xu Z, Zheng X, Zheng J. Tumor-derived exosomes educate fibroblasts to promote salivary adenoid cystic carcinoma metastasis via NGF-NTRK1 pathway. Oncol Lett 2019; 18:4082-4091. [PMID: 31516608 PMCID: PMC6733016 DOI: 10.3892/ol.2019.10740] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Accepted: 07/03/2019] [Indexed: 02/07/2023] Open
Abstract
Salivary adenoid cystic carcinoma (SACC) is a rare head and neck malignancy characterized by unpredictable expansion, considerable perineural invasion and high risk of metastasis; however, the underlying mechanism of SACC progression remains unclear. Cancer-associated fibroblasts localized within the tumor microenvironment may promote cancer malignant transformation by enhancing tumor growth, blood vessel formation, inflammation development and metastasis occurrence. Small extracellular vesicles, including exosomes, are mediators of intercellular communication and can influence major tumor-associated pathways. The present study aimed to explore the exosome-mediated communication between SACC cells and fibroblasts. The results from confocal microscopy demonstrated that exosomes derived from the human cell line SACC-83 were internalized by the human periodontal ligament fibroblast (HPLF) cells. Following exosome internalization, HPLF cells appeared to enhance SACC-83 cell metastasis and were educated toward a protumorigenesis phenotype according to transcriptome RNA sequencing and reverse transcription-quantitative polymerase chain reaction analysis. This phenomenon included exosome-mediated stimulation of proinflammatory cytokines and nerve growth factor (NGF) secretion. Furthermore, NGF blockage reduced the enhanced SACC-83 cell invasion stimulated by the supernatant isolated from exosome-educated HPLF cells. In addition, the results reported that neurotrophic receptor tyrosine kinase 1 (NTRK1), which is the high-affinity NGF receptor, was significantly upregulated in human SACC-83 cells. These results demonstrated that SACC-83 cell-derived exosomes educated HPLF cells toward the protumorigenic phenotype via the NGF-NTRK1 pathway, which suggested that this type of exosomes may be used as a potential therapeutic target for SACC.
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Affiliation(s)
- Zhengli Xu
- Department of Stomatology, Changhai Hospital, Second Military Medical University, Shanghai 200433, P.R. China.,Department of Pathology, Changhai Hospital, Second Military Medical University, Shanghai 200433, P.R. China
| | - Xing Zheng
- Department of Stomatology, The Third Affiliated Hospital of Naval Medical University, Shanghai 200438, P.R. China
| | - Jianming Zheng
- Department of Pathology, Changhai Hospital, Second Military Medical University, Shanghai 200433, P.R. China
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12
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Wang S, Jin S, Liu MD, Pang P, Wu H, Qi ZZ, Liu FY, Sun CF. Hsa-let-7e-5p Inhibits the Proliferation and Metastasis of Head and Neck Squamous Cell Carcinoma Cells by Targeting Chemokine Receptor 7. J Cancer 2019; 10:1941-1948. [PMID: 31205553 PMCID: PMC6547991 DOI: 10.7150/jca.29536] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Accepted: 03/04/2019] [Indexed: 01/02/2023] Open
Abstract
This study aimed at determining the role of hsa-let-7e-5p in the progression of head and neck squamous cell carcinoma (HNSCC). The relative levels of hsa-let-7e-5p transcripts in 15 paired of HNSCC and adjacent non-tumor tissues and cells were examined by quantitative real-time PCR (qRT-PCR). The potential targets of hsa-let-7e-5p were predicted and validated by luciferase assay. The impact of altered hsa-let-7e-5p expression on HNSCC cell proliferation and metastasis was determined by CCK-8, wound healing, transwell migration and invasion assays. The effect of hsa-let-7e-5p over-expression on the growth of HNSCC was examined in vivo. Hsa-let-7e-5p expression was significantly down-regulated in HNSCC tissues and highly metastatic PCI-37B cells. Bioinformatic analysis predicted that hsa-let-7e-5p bound to the 3'untranslated region (3'UTR) of chemokine receptor 7(CCR7), which was validated by luciferase assay. While transfection with hsa-let-7e-5p mimic significantly decreased CCR7 protein expression, transfection with hsa-let-7e-5p inhibitor increased CCR7 protein expression in HNSCC cells. Similarly, hsa-let-7e-5p over-expression inhibited PCI-37B cell proliferation, wound healing, migration and invasion, while inhibition of endogenous hsa-let-7e-5p had opposite effects in PCI-37A cells. Hsa-let-7e-5p over-expression inhibited PCI-37B tumor growth in vivo. Therefore, hsa-let-7e-5p acts as a tumor suppressor to inhibit the progression of HNSCC by targeting CCR7 expression. Hsa-let-7e-5p and CCR7 may be therapeutic targets of HNSCC.
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Affiliation(s)
- Song Wang
- Department of Oromaxillofacial-Head and Neck Surgery, Oral Maxillofacial Surgery, School of Stomatology, China Medical University, Shenyang, Liaoning, 110002.,Department of Stomatology, the 4th Affiliated Hospital of China Medical University, Shenyang, Liaoning, 110034, P.R.China
| | - Shan Jin
- Department of Oromaxillofacial-Head and Neck Surgery, Oral Maxillofacial Surgery, School of Stomatology, China Medical University, Shenyang, Liaoning, 110002
| | - Min-Da Liu
- Department of Oromaxillofacial-Head and Neck Surgery, Oral Maxillofacial Surgery, School of Stomatology, China Medical University, Shenyang, Liaoning, 110002
| | - Pai Pang
- Department of Oromaxillofacial-Head and Neck Surgery, Oral Maxillofacial Surgery, School of Stomatology, China Medical University, Shenyang, Liaoning, 110002
| | - Hong Wu
- Department of Oromaxillofacial-Head and Neck Surgery, Oral Maxillofacial Surgery, School of Stomatology, China Medical University, Shenyang, Liaoning, 110002
| | - Zhong-Zheng Qi
- Department of Oromaxillofacial-Head and Neck Surgery, Oral Maxillofacial Surgery, School of Stomatology, China Medical University, Shenyang, Liaoning, 110002
| | - Fa-Yu Liu
- Department of Oromaxillofacial-Head and Neck Surgery, Oral Maxillofacial Surgery, School of Stomatology, China Medical University, Shenyang, Liaoning, 110002
| | - Chang-Fu Sun
- Department of Oromaxillofacial-Head and Neck Surgery, Oral Maxillofacial Surgery, School of Stomatology, China Medical University, Shenyang, Liaoning, 110002
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13
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McDermott SC, Rodriguez-Ramirez C, McDermott SP, Wicha MS, Nör JE. FGFR signaling regulates resistance of head and neck cancer stem cells to cisplatin. Oncotarget 2018; 9:25148-25165. [PMID: 29861860 PMCID: PMC5982758 DOI: 10.18632/oncotarget.25358] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Accepted: 04/25/2018] [Indexed: 02/03/2023] Open
Abstract
Patients with recurrent or metastatic head and neck squamous cell carcinoma (HNSCC) have poor prognosis with less than 1-year median survival. Platinum-based chemotherapy remains the first-line treatment for HNSCC. The cancer stem cell (CSC) hypothesis postulates that tumors are maintained by a self-renewing CSC population that is also capable of differentiating into non-self renewing cell populations that constitute the bulk of the tumor. A small population of CSC exists within HNSCC that are relatively resistant to chemotherapy and clinically predicted to contribute to tumor recurrence. These head and neck CSCs (HNCSC) are identified by high cell-surface expression of CD44 and high intracellular activity of aldehyde dehydrogenase (ALDH) and termed ALDHhighCD44high. Here, we performed microarray analysis in two HNSCC cell lines (UM-SCC-1, UM-SCC-22B) to investigate molecular pathways active in untreated and cisplatin-resistant ALDHhighCD44high cells. Gene set enrichment analysis and iPathway analysis identified signaling pathways with major implications to the pathobiology of cancer (e.g. TNFα, IFN, IL6/STAT, NF-κB) that are enriched in cisplatin-resistant ALDHhighCD44high cells, when compared to control cells. FGF2 was also enriched in cisplatin-resistant ALDHhighCD44high, which was confirmed by ELISA analysis. Inhibition of FGF signaling using BGJ398, a pan-FGF receptor (FGFR) small-molecule inhibitor, decreased ALDHhighCD44high alone in UM-SCC-1 and preferentially targeted cisplatin-resistant ALDHhighCD44high cells in UM-SCC-22B. These findings suggest that FGFR signaling might play an important role in the resistance of head and neck CSC to cisplatin. Collectively, this work suggests that some head and neck cancer patients might benefit from the combination of cisplatin and a FGFR inhibitor.
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Affiliation(s)
- Sarah C. McDermott
- Department of Orthodontics and Pediatric Dentistry, University of Michigan School of Dentistry, Ann Arbor, MI, USA
| | - Christie Rodriguez-Ramirez
- Department of Cariology, Restorative Science & Endodontics, University of Michigan School of Dentistry, Ann Arbor, MI, USA
| | - Sean P. McDermott
- Department of Internal Medicine–Hematology/Oncology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Max S. Wicha
- Department of Internal Medicine–Hematology/Oncology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Jacques E. Nör
- Department of Cariology, Restorative Science & Endodontics, University of Michigan School of Dentistry, Ann Arbor, MI, USA
- Department of Biomedical Engineering, University of Michigan College of Engineering, Ann Arbor, MI, USA
- Department of Otolaryngology, University of Michigan Medical School, Ann Arbor, MI, USA
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14
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Piovan E, Tosello V, Amadori A, Zanovello P. Chemotactic Cues for NOTCH1-Dependent Leukemia. Front Immunol 2018; 9:633. [PMID: 29666622 PMCID: PMC5891592 DOI: 10.3389/fimmu.2018.00633] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Accepted: 03/14/2018] [Indexed: 12/12/2022] Open
Abstract
The NOTCH signaling pathway is a conserved signaling cascade that regulates many aspects of development and homeostasis in multiple organ systems. Aberrant activity of this signaling pathway is linked to the initiation and progression of several hematological malignancies, exemplified by T-cell acute lymphoblastic leukemia (T-ALL). Interestingly, frequent non-mutational activation of NOTCH1 signaling has recently been demonstrated in B-cell chronic lymphocytic leukemia (B-CLL), significantly extending the pathogenic significance of this pathway in B-CLL. Leukemia patients often present with high-blood cell counts, diffuse disease with infiltration of the bone marrow, secondary lymphoid organs, and diffusion to the central nervous system (CNS). Chemokines are chemotactic cytokines that regulate migration of cells between tissues and the positioning and interactions of cells within tissue. Homeostatic chemokines and their receptors have been implicated in regulating organ-specific infiltration, but may also directly and indirectly modulate tumor growth. Recently, oncogenic NOTCH1 has been shown to regulate infiltration of leukemic cells into the CNS hijacking the CC-chemokine ligand 19/CC-chemokine receptor 7 chemokine axis. In addition, a crucial role for the homing receptor axis CXC-chemokine ligand 12/CXC-chemokine receptor 4 has been demonstrated in leukemia maintenance and progression. Moreover, the CCL25/CCR9 axis has been implicated in the homing of leukemic cells into the gut, particularly in the presence of phosphatase and tensin homolog tumor suppressor loss. In this review, we summarize the latest developments regarding the role of NOTCH signaling in regulating the chemotactic microenvironmental cues involved in the generation and progression of T-ALL and compare these findings to B-CLL.
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Affiliation(s)
- Erich Piovan
- UOC Immunologia e Diagnostica Molecolare Oncologica, Istituto Oncologico Veneto IOV-IRCCS, Padova, Italy.,Dipartimento di Scienze Chirurgiche, Oncologiche e Gastroenterologiche, Università di Padova, Padova, Italy
| | - Valeria Tosello
- UOC Immunologia e Diagnostica Molecolare Oncologica, Istituto Oncologico Veneto IOV-IRCCS, Padova, Italy
| | - Alberto Amadori
- UOC Immunologia e Diagnostica Molecolare Oncologica, Istituto Oncologico Veneto IOV-IRCCS, Padova, Italy.,Dipartimento di Scienze Chirurgiche, Oncologiche e Gastroenterologiche, Università di Padova, Padova, Italy
| | - Paola Zanovello
- UOC Immunologia e Diagnostica Molecolare Oncologica, Istituto Oncologico Veneto IOV-IRCCS, Padova, Italy.,Dipartimento di Scienze Chirurgiche, Oncologiche e Gastroenterologiche, Università di Padova, Padova, Italy
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15
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Chen K, Bao Z, Tang P, Gong W, Yoshimura T, Wang JM. Chemokines in homeostasis and diseases. Cell Mol Immunol 2018; 15:324-334. [PMID: 29375126 PMCID: PMC6052829 DOI: 10.1038/cmi.2017.134] [Citation(s) in RCA: 118] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Revised: 10/16/2017] [Accepted: 10/18/2017] [Indexed: 12/19/2022] Open
Abstract
For the past twenty years, chemokines have emerged as a family of critical mediators of cell migration during immune surveillance, development, inflammation and cancer progression. Chemokines bind to seven transmembrane G protein-coupled receptors (GPCRs) that are expressed by a wide variety of cell types and cause conformational changes in trimeric G proteins that trigger the intracellular signaling pathways necessary for cell movement and activation. Although chemokines have evolved to benefit the host, inappropriate regulation or utilization of these small proteins may contribute to or even cause diseases. Therefore, understanding the role of chemokines and their GPCRs in the complex physiological and diseased microenvironment is important for the identification of novel therapeutic targets. This review introduces the functional array and signals of multiple chemokine GPCRs in guiding leukocyte trafficking as well as their roles in homeostasis, inflammation, immune responses and cancer.
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Affiliation(s)
- Keqiang Chen
- Cancer and Inflammation Program, Center for Cancer Research, National Cancer Institute at Frederick, 21702, Frederick, MD, USA
| | - Zhiyao Bao
- Cancer and Inflammation Program, Center for Cancer Research, National Cancer Institute at Frederick, 21702, Frederick, MD, USA
- Department of Pulmonary & Critical Care Medicine, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, 200025, Shanghai, P. R. China
| | - Peng Tang
- Cancer and Inflammation Program, Center for Cancer Research, National Cancer Institute at Frederick, 21702, Frederick, MD, USA
- Department of Breast Surgery, Southwest Hospital, Third Military Medical University, 400038, Chongqing, China
| | - Wanghua Gong
- Basic Research Program, Leidos Biomedical Research, Inc., 21702, Frederick, MD, USA
| | - Teizo Yoshimura
- Department of Pathology and Experimental Medicine, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, 700-8558, Okayama, Japan
| | - Ji Ming Wang
- Cancer and Inflammation Program, Center for Cancer Research, National Cancer Institute at Frederick, 21702, Frederick, MD, USA.
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16
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Zhang M, Zhu ZL, Gao XL, Wu JS, Liang XH, Tang YL. Functions of chemokines in the perineural invasion of tumors (Review). Int J Oncol 2018. [PMID: 29532850 DOI: 10.3892/ijo.2018.4311] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The perineural invasion (PNI) of malignant tumors is a form of tumor progression in which cancer cells encroach along nerves. PNI hinders curative resection. Residual tumor cells in or around nerves can bring about local recurrence, infiltration and metastasis. This behavior is usually associated with a poor clinical prognosis. Therefore, it is necessary to investigate novel ligand-receptor crosstalk between nerves and tumor cells that promote the process of PNI. Chemokines are regarded as one of pivotal factors involved in the process of PNI. The present review collates information provided by previous studies with regard to the role of chemokines in PNI. The study presents a definition of PNI in cancer, generalizes the biological characteristics and the expression of chemokines and their receptors in cancer types associated with PNI, and discusses the underlying molecular mechanisms of chemokines, the reciprocal interactions between chemokines and other factors in PNI, and the interconnectivity of the microenvironment and chemokines. The aim of the review is to thoroughly illustrate the molecular cues of chemokines in cancer with PNI and to identify novel antitumor targets.
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Affiliation(s)
- Mei Zhang
- State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Zhuo-Li Zhu
- State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Xiao-Lei Gao
- State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Jia-Shun Wu
- State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Xin-Hua Liang
- State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Ya-Ling Tang
- State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, Sichuan 610041, P.R. China
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17
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Chu H, Jia B, Qiu X, Pan J, Sun X, Wang Z, Zhao J. Investigation of proliferation and migration of tongue squamous cell carcinoma promoted by three chemokines, MIP-3α, MIP-1β, and IP-10. Onco Targets Ther 2017; 10:4193-4203. [PMID: 28919775 PMCID: PMC5587132 DOI: 10.2147/ott.s132855] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
The aim of this work was to investigate the role of chemokines in proliferation and migration of tongue squamous cell carcinoma (TSCC). Out of the 80 cytokines surveyed by a human cytokine antibody array, three chemokines, macrophage inflammatory protein-3α (MIP-3α), macrophage inflammatory protein-1β (MIP-1β), and interferon gamma-induced protein 10 (IP-10), showed elevated expression in TSCC cells (CAL-27 and UM-1), compared to the oral mucosal epithelial cells. Immunohistochemistry confirmed the high level of expression of MIP-3α in the TSCC tissues, especially in the high clinical stages. Furthermore, Western blot and immunofluorescence staining indicated that C-C chemokine receptor type 5, C-C chemokine receptor type 6, and C-X-C motif chemokine receptor 3, which are the receptors for MIP-3α, MIP-1β, and IP-10, respectively, were expressed in the TSCC cells. Viability assay showed MIP-3α, MIP-1β, and IP-10 led to the proliferation of the CAL-27 cells. Interestingly, MIP-1β and IP-10 also induced apoptosis in the TSCC cells. Transwell invasion assay showed MIP-3α and IP-10 could increase the invasive capability of TSCC cells; consistently, the enzymatic activities of matrix metalloproteinase-2 and matrix metalloproteinase-9 increased in the MIP-3α- and IP-10-treated cells. In summary, our results indicate the expression of MIP-3α, MIP-1β, and IP-10 increased in the TSCC cells. The elevated expression of MIP-3α and IP-10 promoted proliferation and migration of TSCC. These chemokines, along with their receptors, could be potential biomarkers and therapeutic targets for TSCC, especially for those in the high clinical stages.
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Affiliation(s)
- Hongxing Chu
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Bo Jia
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Xiaoling Qiu
- Department of Endodontology, Stomatological Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Jie Pan
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Xiang Sun
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Zhiping Wang
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Jianjiang Zhao
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital, Southern Medical University, Guangzhou, Guangdong, China
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18
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Peyser ND, Pendleton K, Gooding WE, Lui VWY, Johnson DE, Grandis JR. Genomic and Transcriptomic Alterations Associated with STAT3 Activation in Head and Neck Cancer. PLoS One 2016; 11:e0166185. [PMID: 27855189 PMCID: PMC5113908 DOI: 10.1371/journal.pone.0166185] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Accepted: 10/24/2016] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Hyperactivation of STAT3 via constitutive phosphorylation of tyrosine 705 (Y705) is common in most human cancers, including head and neck squamous carcinoma (HNSCC). STAT3 is rarely mutated in cancer and the (epi)genetic alterations that lead to STAT3 activation are incompletely understood. Here we used an unbiased approach to identify genomic and epigenomic changes associated with pSTAT3(Y705) expression using data generated by The Cancer Genome Atlas (TCGA). METHODS AND FINDINGS Mutation, mRNA expression, promoter methylation, and copy number alteration data were extracted from TCGA and examined in the context of pSTAT3(Y705) protein expression. mRNA expression levels of 1279 genes were found to be associated with pSTAT3(705) expression. Association of pSTAT3(Y705) expression with caspase-8 mRNA expression was validated by immunoblot analysis in HNSCC cells. Mutation, promoter hypermethylation, and copy number alteration of any gene were not significantly associated with increased pSTAT3(Y705) protein expression. CONCLUSIONS These cumulative results suggest that unbiased approaches may be useful in identifying the molecular underpinnings of oncogenic signaling, including STAT3 activation, in HNSCC. Larger datasets will likely be necessary to elucidate signaling consequences of infrequent alterations.
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Affiliation(s)
- Noah D. Peyser
- Department of Otolaryngology–Head and Neck Surgery, University of California San Francisco, San Francisco, CA, United States of America, 94143
| | - Kelsey Pendleton
- Department of Otolaryngology, University of Pittsburgh and the University of Pittsburgh Cancer Institute, Pittsburgh, PA, United States of America, 15213
| | - William E. Gooding
- Biostatistics Facility, University of Pittsburgh Cancer Institute, Pittsburgh, PA, United States of America, 15213
| | - Vivian W. Y. Lui
- Department of Pharmacology and Pharmacy, School of Biomedical Sciences, Li-Ka Shing Faculty of Medicine, the University of Hong Kong, Hong Kong SAR, China
| | - Daniel E. Johnson
- Department of Medicine, University of Pittsburgh and the University of Pittsburgh Cancer Institute, Pittsburgh, PA, United States of America
| | - Jennifer R. Grandis
- Department of Otolaryngology–Head and Neck Surgery, University of California San Francisco, San Francisco, CA, United States of America, 94143
- * E-mail:
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19
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Mishan MA, Ahmadiankia N, Bahrami AR. CXCR4 and CCR7: Two eligible targets in targeted cancer therapy. Cell Biol Int 2016; 40:955-67. [PMID: 27248053 DOI: 10.1002/cbin.10631] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2016] [Accepted: 05/26/2016] [Indexed: 12/12/2022]
Abstract
Cancer is one of the most common cause of death in the world with high negative emotional, economic, and social impacts. Conventional therapeutic methods, including chemotherapy and radiotherapy, have not proven satisfactory and relapse is common in most cases. Recent studies have focused on targeted therapy with more precise identification and targeted attacks to the cancer cells. For this purpose, chemokine receptors are proper targets and among them, CXCR4 and CCR7, with a crucial role in cancer metastasis, are being considered as desired candidates for investigation. In this review paper, the most important experimental results are highlighted on the potential targeted therapies based on CXCR4 and CCR7 chemokine receptors.
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Affiliation(s)
| | - Naghmeh Ahmadiankia
- Cancer Prevention Research Center, Shahroud University of Medical Sciences, Shahroud, Iran
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20
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Liu G, Chen Y, Qi F, Jia L, Lu XA, He T, Fu Y, Li L, Luo Y. Specific chemotherapeutic agents induce metastatic behaviour through stromal- and tumour-derived cytokine and angiogenic factor signalling. J Pathol 2015; 237:190-202. [PMID: 25988668 DOI: 10.1002/path.4564] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2014] [Revised: 04/08/2015] [Accepted: 05/07/2015] [Indexed: 11/09/2022]
Abstract
Recent studies reveal that chemotherapy can enhance metastasis due to host responses, such as augmented expression of adhesion molecules in endothelial cells and increased populations of myeloid cells. However, it is still unclear how tumour cells contribute to this process. Here, we observed that paclitaxel and carboplatin accelerated lung metastasis in tumour-bearing mice, while doxorubicin and fluorouracil did not. Mechanistically, paclitaxel and carboplatin induced similar changes in cytokine and angiogenic factors. Increased levels of CXCR2, CXCR4, S1P/S1PR1, PlGF and PDGF-BB were identified in the serum or primary tumour tissues of tumour-bearing mice treated by paclitaxel. The serum levels of CXCL1 and PDGF-BB and the tissue level of CXCR4 were also elevated by carboplatin. On the other hand, doxorubicin and fluorouracil did not induce such changes. The chemotherapy-induced cytokine and angiogenic factor changes were also confirmed in gene expression datasets from human patients following chemotherapy treatment. These chemotherapy-enhanced cytokines and angiogenic factors further induced angiogenesis, destabilized vascular integrity, recruited BMDCs to metastatic organs and mediated the proliferation, migration and epithelial-to-mesenchymal transition of tumour cells. Interestingly, inhibitors of these factors counteracted chemotherapy-enhanced metastasis in both tumour-bearing mice and normal mice injected intravenously with B16F10-GFP cells. In particular, blockade of the SDF-1α-CXCR4 or S1P-S1PR1 axes not only compromised chemotherapy-induced metastasis but also prolonged the median survival time by 33.9% and 40.3%, respectively. The current study delineates the mechanism of chemotherapy-induced metastasis and provides novel therapeutic strategies to counterbalance pro-metastatic effects of chemo-drugs via combination treatment with anti-cytokine/anti-angiogenic therapy.
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Affiliation(s)
- Guanghua Liu
- The National Engineering Laboratory for Anti-Tumour Protein Therapeutics, Tsinghua University, Beijing, People's Republic of China.,Beijing Key Laboratory for Protein Therapeutics, Tsinghua University, Beijing, People's Republic of China.,Cancer Biology Laboratory, School of Life Sciences, Tsinghua University, Beijing, People's Republic of China
| | - Yang Chen
- The National Engineering Laboratory for Anti-Tumour Protein Therapeutics, Tsinghua University, Beijing, People's Republic of China.,Beijing Key Laboratory for Protein Therapeutics, Tsinghua University, Beijing, People's Republic of China.,Cancer Biology Laboratory, School of Life Sciences, Tsinghua University, Beijing, People's Republic of China
| | - Feifei Qi
- The National Engineering Laboratory for Anti-Tumour Protein Therapeutics, Tsinghua University, Beijing, People's Republic of China.,Beijing Key Laboratory for Protein Therapeutics, Tsinghua University, Beijing, People's Republic of China.,Cancer Biology Laboratory, School of Life Sciences, Tsinghua University, Beijing, People's Republic of China
| | - Lin Jia
- The National Engineering Laboratory for Anti-Tumour Protein Therapeutics, Tsinghua University, Beijing, People's Republic of China.,Beijing Key Laboratory for Protein Therapeutics, Tsinghua University, Beijing, People's Republic of China.,Cancer Biology Laboratory, School of Life Sciences, Tsinghua University, Beijing, People's Republic of China
| | - Xin-an Lu
- The National Engineering Laboratory for Anti-Tumour Protein Therapeutics, Tsinghua University, Beijing, People's Republic of China.,Beijing Key Laboratory for Protein Therapeutics, Tsinghua University, Beijing, People's Republic of China.,Cancer Biology Laboratory, School of Life Sciences, Tsinghua University, Beijing, People's Republic of China
| | - Ting He
- The National Engineering Laboratory for Anti-Tumour Protein Therapeutics, Tsinghua University, Beijing, People's Republic of China.,Beijing Key Laboratory for Protein Therapeutics, Tsinghua University, Beijing, People's Republic of China.,Cancer Biology Laboratory, School of Life Sciences, Tsinghua University, Beijing, People's Republic of China
| | - Yan Fu
- The National Engineering Laboratory for Anti-Tumour Protein Therapeutics, Tsinghua University, Beijing, People's Republic of China.,Beijing Key Laboratory for Protein Therapeutics, Tsinghua University, Beijing, People's Republic of China.,Cancer Biology Laboratory, School of Life Sciences, Tsinghua University, Beijing, People's Republic of China
| | - Lin Li
- The National Engineering Laboratory for Anti-Tumour Protein Therapeutics, Tsinghua University, Beijing, People's Republic of China.,Beijing Key Laboratory for Protein Therapeutics, Tsinghua University, Beijing, People's Republic of China.,Cancer Biology Laboratory, School of Life Sciences, Tsinghua University, Beijing, People's Republic of China
| | - Yongzhang Luo
- The National Engineering Laboratory for Anti-Tumour Protein Therapeutics, Tsinghua University, Beijing, People's Republic of China.,Beijing Key Laboratory for Protein Therapeutics, Tsinghua University, Beijing, People's Republic of China.,Cancer Biology Laboratory, School of Life Sciences, Tsinghua University, Beijing, People's Republic of China
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21
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Vela M, Aris M, Llorente M, Garcia-Sanz JA, Kremer L. Chemokine receptor-specific antibodies in cancer immunotherapy: achievements and challenges. Front Immunol 2015; 6:12. [PMID: 25688243 PMCID: PMC4311683 DOI: 10.3389/fimmu.2015.00012] [Citation(s) in RCA: 78] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2014] [Accepted: 01/07/2015] [Indexed: 12/22/2022] Open
Abstract
The 1990s brought a burst of information regarding the structure, expression pattern, and role in leukocyte migration and adhesion of chemokines and their receptors. At that time, the FDA approved the first therapeutic antibodies for cancer treatment. A few years later, it was reported that the chemokine receptors CXCR4 and CCR7 were involved on directing metastases to liver, lung, bone marrow, or lymph nodes, and the over-expression of CCR4, CCR6, and CCR9 by certain tumors. The possibility of inhibiting the interaction of chemokine receptors present on the surface of tumor cells with their ligands emerged as a new therapeutic approach. Therefore, many research groups and companies began to develop small molecule antagonists and specific antibodies, aiming to neutralize signaling from these receptors. Despite great expectations, so far, only one anti-chemokine receptor antibody has been approved for its clinical use, mogamulizumab, an anti-CCR4 antibody, granted in Japan to treat refractory adult T-cell leukemia and lymphoma. Here, we review the main achievements obtained with anti-chemokine receptor antibodies for cancer immunotherapy, including discovery and clinical studies, proposed mechanisms of action, and therapeutic applications.
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Affiliation(s)
- Maria Vela
- Department of Immunology and Oncology, Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas (CNB/CSIC), Madrid, Spain
| | - Mariana Aris
- Centro de Investigaciones Oncológicas, Fundación Cáncer, Buenos Aires, Argentina
| | - Mercedes Llorente
- Protein Tools Unit, Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas (CNB/CSIC), Madrid, Spain
| | - Jose A. Garcia-Sanz
- Department of Cellular and Molecular Medicine, Centro de Investigaciones Biológicas, Consejo Superior de Investigaciones Científicas (CIB/CSIC), Madrid, Spain
| | - Leonor Kremer
- Department of Immunology and Oncology, Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas (CNB/CSIC), Madrid, Spain
- Protein Tools Unit, Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas (CNB/CSIC), Madrid, Spain
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Sarvaiya PJ, Guo D, Ulasov I, Gabikian P, Lesniak MS. Chemokines in tumor progression and metastasis. Oncotarget 2014; 4:2171-85. [PMID: 24259307 PMCID: PMC3926818 DOI: 10.18632/oncotarget.1426] [Citation(s) in RCA: 255] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Chemokines play a vital role in tumor progression and metastasis. Chemokines are involved in the growth of many cancers including breast cancer, ovarian cancer, pancreatic cancer, melanoma, lung cancer, gastric cancer, acute lymphoblastic leukemia, colon cancer, non-small lung cancer, non-hodgkin's lymphoma, etc. The expression of chemokines and their receptors is altered in many malignancies and leads to aberrant chemokine receptor signaling. This review focuses on the role of chemokines in key processes that facilitate tumor progression including proliferation, senescence, angiogenesis, epithelial mesenchymal transition, immune evasion and metastasis.
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Affiliation(s)
- Purvaba J Sarvaiya
- The Brain Tumor Center, The University of Chicago, Chicago, Illinois, USA
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23
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Perineural growth in head and neck squamous cell carcinoma: a review. Oral Oncol 2014; 51:16-23. [PMID: 25456006 DOI: 10.1016/j.oraloncology.2014.10.004] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2014] [Revised: 09/30/2014] [Accepted: 10/06/2014] [Indexed: 02/07/2023]
Abstract
Perineural growth is a unique route of tumor metastasis that is associated with poor prognosis in several solid malignancies. It is diagnosed by the presence of tumor cells inside the neural space seen on histological or imaging evaluations. Little is known about molecular mechanisms involved in the growth and spread of tumor cells in neural spaces. The poor prognosis associated with perineural growth and lack of targeted approaches necessitates the study of molecular factors involved in communication between tumor and neural cells. Perineural growth rates, shown to be as high as 63% in head and neck squamous cell carcinoma (HNSCC), correlate with increased local recurrence and decreased disease-free survival. Here we describe the literature on perineural growth in HNSCC. In addition, we discuss factors implicated in perineural growth of cancer. These factors include brain-derived neurotrophic factor (BDNF), nerve growth factor (NGF), neurotrophin-3 and -4, glial cell-line derived neurotrophic factor (GDNF), the neural cell adhesion molecule (NCAM), substance P (SP), and chemokines. We also explore the literature on membrane receptors, including the Trk family and the low-affinity nerve growth factor receptor. This review highlights areas for further study of the mechanisms of perineural invasion which may facilitate the identification of therapeutic targets in HNSCC.
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Al-Mulla F, Marafie M, Zea Tan T, Paul Thiery J. Raf kinase inhibitory protein role in the molecular subtyping of breast cancer. J Cell Biochem 2014; 115:488-97. [PMID: 24123286 DOI: 10.1002/jcb.24682] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2013] [Accepted: 09/23/2013] [Indexed: 11/07/2022]
Abstract
In this study, we examined the association between the RKIP expression and the molecular subtypes of breast cancer. Microarray gene expression data of 2,333 human breast cancer from 26 different cohorts performed on Affymetrix U133A or U133Plus2 platforms were downloaded from Array Express and Gene Expression Omnibus and the molecular subtype of breast cancer for the samples was determined by single sample Gene Set Enrichment Analysis. Differences in recurrence-free survival (RFS) were tested using the Log-rank test in univariate analysis and displayed using Kaplan-Meier curves. Cox proportional-hazards model was used to calculate the hazard ratio using univariate and multivariate analysis. Loss or reduced RKIP expression was associated with reduced RFS in breast cancer using univariate and multivariate analyses, which was independent of lymph node (LN) metastasis status. Basal-like, Claudin-low, and Her-2-enriched tumors had significantly lower RKIP levels compared to other subclasses (P < 0.0001). Conversely, the Luminal subclass exhibited the highest expression levels of RKIP (P < 0.0001 for Luminal A and P = 0.0005 for Luminal B subtype), while in normal-like breast cancer subtype, RKIP expression was not informative. RKIP expression was prognostic in ER+ and ER- subgroups. RKIP expression had no significant prognostic power within Basal-like, Claudine-low, Luminal B, or Her-2-enriched breast cancer subtypes. However, its expression pinpointed excellent from intermediate-poor Luminal A survivors, in both ER+ (P = 0.035) and ER- (P = 0.012) subgroups, especially in LN negative breast cancers. In conclusion, RKIP expression adds significant value to the molecular subclassification of breast cancer especially for the Luminal A subtype.
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Affiliation(s)
- Fahd Al-Mulla
- Department of Pathology, Faculty of Medicine, Kuwait University Health Sciences Centre, Safat, 13110, Kuwait
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Jeong WJ, Choi IJ, Park MW, An SY, Jeon EH, Paik JH, Sung MW, Ahn SH. CXCR4 antagonist inhibits perineural invasion of adenoid cystic carcinoma. J Clin Pathol 2014; 67:992-8. [PMID: 25118295 DOI: 10.1136/jclinpath-2014-202349] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
AIM Perineural invasion and expression of CXCR4 is characteristic of adenoid cystic carcinoma (ACC). Herein, we aimed to demonstrate CXCR4 expression in ACC, identify its association with perineural invasion and investigate the impact of CXCR4 inhibitor in vitro and in a murine perineural invasion model. METHODS Expression of CXCR4 was assessed in ACC cell lines and in human tissue. The effects of gene knockdown using siRNA and specific blocker of CXCR4 (AMD3100) were evaluated in vitro. A preclinical perineural invasion model was developed using BALB/c nude mouse. The effect of AMD3100 was evaluated in vivo. RESULTS CXCR4 was highly expressed in aggressive strains of ACC in vitro, in the tumour in the animal model and in the tumour of human tissue. SDF-1 expression was also demonstrated in the nerve of murine and human tissue. Gene knockdown by siRNA and inhibition by a CXCR4-specific inhibitor AMD3100 effectively abrogated invasion but not proliferation of ACC in vitro. The rate of perineural invasion was significantly decreased with AMD3100 treatment in the animal model. CONCLUSIONS CXCR4 is associated with perineural invasion in ACC. AMD3100, which can effectively diminish perineural invasion of ACC, may have an adjuvant role in the management of ACC.
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Affiliation(s)
- Woo-Jin Jeong
- Department of Otorhinolaryngology-Head & Neck Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Ik Joon Choi
- Department of Otolaryngology-Head & Neck Surgery, Korea Cancer Center Hospital, Seoul, South Korea
| | - Min-Woo Park
- Department of Otorhinolaryngology-Head & Neck Surgery, Korea University Anam Hospital, Seoul, South Korea
| | - Soo-Youn An
- Department of Otolaryngology-Head & Neck Surgery, Dongnam Institute of Radiological & Medical Sciences, Busan, South Korea
| | - Eun-Hui Jeon
- Department of Otorhinolaryngology-Head & Neck Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Jin Ho Paik
- Department of Pathology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Myung-Whun Sung
- Department of Otorhinolaryngology-Head & Neck Surgery, Seoul National University College of Medicine, Seoul National University Hospital, Seoul, South Korea Cancer Research Institute, Seoul National University College of Medicine, Seoul, South Korea
| | - Soon-Hyun Ahn
- Department of Otorhinolaryngology-Head & Neck Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
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Khurram SA, Bingle L, McCabe BM, Farthing PM, Whawell SA. The chemokine receptors CXCR1 and CXCR2 regulate oral cancer cell behaviour. J Oral Pathol Med 2014; 43:667-74. [PMID: 24965032 DOI: 10.1111/jop.12191] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/06/2014] [Indexed: 01/31/2023]
Abstract
BACKGROUND Chemokines regulate physiological and pathological leucocyte trafficking, and chemokine receptors play a role in tumorigenesis. Expression of interleukin-8 (IL-8) receptors CXCR1 and CXCR2 has been shown in oral squamous cell carcinoma (OSCC) but remains poorly characterised. This aim of this study was to investigate CXCR1 and CXCR2 expression on normal oral keratinocytes (NOKs) and oral cancer cell lines (OCCL) and their relative response when exposed to IL-8 and growth-related oncogene-α (which selectively binds CXCR2). METHODS mRNA and protein expression was studied using RT-PCR, immunocytochemistry and flow cytometry. ELISAs were used to investigate ERK1/2 phosphorylation and MMP production, whereas a MTS-based assay was employed to study proliferation. Migration assays were carried out using modified Boyden chambers with a matrigel coating used for invasion assays. RESULTS mRNA expression of CXCR1 and CXCR2 was seen in both NOKs and OCCL with significantly higher protein expression in OCCL. Exposure to IL-8 and GROα increased intracellular ERK phosphorylation, proliferation, migration and invasion with OCCL showing a greater response than NOKs. These effects were mediated through CXCR1 and CXCR2 (for IL-8) and CXCR2 (for GROα) as receptor-blocking antibodies significantly inhibited the responses. IL-8 and GROα also increased MMP-9 release from NOKs and OCCL with significantly higher amounts released by OCCL. However, an increase in MMP-7 production was only seen in OCCL. CONCLUSIONS Functional CXCR1 and CXCR2 exist on normal and cancerous oral epithelial cells, and our data suggests a role for these receptors in oral cancer biology.
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Affiliation(s)
- Syed A Khurram
- Unit of Oral and Maxillofacial Pathology, School of Clinical Dentistry, University of Sheffield, Sheffield, UK
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27
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Shen B, Zheng MQ, Lu JW, Jiang Q, Wang TH, Huang XE. CXCL12-CXCR4 promotes proliferation and invasion of pancreatic cancer cells. Asian Pac J Cancer Prev 2014; 14:5403-8. [PMID: 24175834 DOI: 10.7314/apjcp.2013.14.9.5403] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
OBJECTIVE CXCL12 exerts a wide variety of chemotactic effects on cells. Evidence indicates that CXCL12, in conjunction with its receptor, CXCR4, promotes invasion and metastasis of tumor cells. Our objective was to explore whether the CXCL12-CXCR4 biological axis might influence biological behavior of pancreatic cancer cells. METHODS Miapaca-2 human pancreatic cancer cells were cultured under three different conditions: normal medium (control), medium + recombinant CXCL12 (CXCL12 group), or medium + CXCR4-inhibitor AMD3100 (AMD3100 group). RT-PCR was applied to detect mRNA expression levels of CXCL12, CXCR4, matrix metalloproteinase 2 (MMP-2), MMP-9, and human urokinase plasminogen activator (uPA). Additionally, cell proliferation and invasion were performed using CCK-8 colorimetry and transwell invasion assays, respectively. RESULTS CXCL12 was not expressed in Miapaca-2 cells, but CXCR4 was detected, indicating that these cells are capable of receiving signals from CXCL12. Expression of extracellular matrix-degrading enzymes MMP-2, MMP- 9, and uPA was upregulated in cells exposed to exogenous CXCL12 (P<0.05). Additionally, both proliferation and invasion of pancreatic cancer cells were enhanced in the presence of exogenous CXCL12, but AMD3100 intervention effectively inhibited these processes (P<0.05). CONCLUSIONS The CXCL12-CXCR4 biological axis plays an important role in promoting proliferation and invasion of pancreatic cancer cells.
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Affiliation(s)
- Bo Shen
- Department of Medical Oncology, the Affiliated Jiangsu Cancer Hospital of Nanjing Medical University and Jiangsu Institute of Cancer Research, Nanjing, Jiangsu Province, China E-mail :
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Al-Souhibani N, Al-Ghamdi M, Al-Ahmadi W, Khabar KSA. Posttranscriptional control of the chemokine receptor CXCR4 expression in cancer cells. Carcinogenesis 2014; 35:1983-92. [PMID: 24692066 PMCID: PMC4146410 DOI: 10.1093/carcin/bgu080] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
We demonstrate that CXCR4 mRNA contains ARE in its 3′-UTR and regulated by the RNA-binding proteins, TTP and HuR. Normalization of the aberrant TTP-HuR axis resulted in reduced invasion and migration of breast cancer cells toward CXCL12. CXCR4 is a chemokine receptor that is overexpressed in certain cancer types and involved in migration toward distant organs. The molecular mechanisms underlying CXCR4 expression in invasive cancer, particularly posttranscriptional regulation, are poorly understood. Here, we find that CXCR4 harbors AU-rich elements (AREs) in the 3′-untranslated region (3′-UTR) that bind and respond to the RNA-binding proteins, tristetraprolin (TTP/ZFP36) and HuR (ELAVL1). Different experimental approaches, including RNA immunoprecipitation, 3′-UTR reporter, RNA shift and messenger RNA (mRNA) half-life studies confirmed functionality of the CXCR4 ARE. Wild-type TTP, but not the zinc finger mutant, C124R, was able to bind CXCR4 mRNA and ARE. In the invasive breast cancer phenotype, aberrant expression of CXCR4 is linked to both TTP deficiency and HuR overexpression. HuR silencing led to decreased CXCR4 mRNA stability and expression, and significant reduction in migration of the cells toward the CXCR4 ligand, CXCL12. Derepression of TTP using miR-29a inhibitor led to significant reduction in CXCR4 mRNA stability, expression and migration capability of the cells. The study shows that CXCR4 is regulated by ARE-dependent posttranscriptional mechanisms that involve TTP and HuR, and that aberration in this pathway helps cancer cells migrate toward the CXCR4 ligand. Targeting posttranscriptional control of CXCR4 expression may constitute an alternative approach in cancer therapy.
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Affiliation(s)
- Norah Al-Souhibani
- Molecular BioMedicine Department, King Faisal Specialist Hospital and Research Centre, Riyadh 11211, Saudi Arabia
| | - Maha Al-Ghamdi
- Molecular BioMedicine Department, King Faisal Specialist Hospital and Research Centre, Riyadh 11211, Saudi Arabia
| | - Wijdan Al-Ahmadi
- Molecular BioMedicine Department, King Faisal Specialist Hospital and Research Centre, Riyadh 11211, Saudi Arabia
| | - Khalid S A Khabar
- Molecular BioMedicine Department, King Faisal Specialist Hospital and Research Centre, Riyadh 11211, Saudi Arabia
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Rentoft M, Coates PJ, Loljung L, Wilms T, Laurell G, Nylander K. Expression of CXCL10 is associated with response to radiotherapy and overall survival in squamous cell carcinoma of the tongue. Tumour Biol 2014; 35:4191-8. [PMID: 24395654 PMCID: PMC4009142 DOI: 10.1007/s13277-013-1549-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2013] [Accepted: 12/12/2013] [Indexed: 12/23/2022] Open
Abstract
Five-year survival for patients with oral cancer has been disappointingly stable during the last decades, creating a demand for new biomarkers and treatment targets. Lately, much focus has been set on immunomodulation as a possible treatment or an adjuvant increasing sensitivity to conventional treatments. The objective of this study was to evaluate the prognostic importance of response to radiotherapy in tongue carcinoma patients as well as the expression of the CXC-chemokines in correlation to radiation response in the same group of tumours. Thirty-eight patients with tongue carcinoma that had received radiotherapy followed by surgery were included. The prognostic impact of pathological response to radiotherapy, N-status, T-stage, age and gender was evaluated using Cox's regression models, Kaplan-Meier survival curves and chi-square test. The expression of 23 CXC-chemokine ligands and their receptors were evaluated in all patients using microarray and qPCR and correlated with response to treatment using logistic regression. Pathological response to radiotherapy was independently associated to overall survival with a 2-year survival probability of 81% for patients showing a complete pathological response, while patients with a non-complete response only had a probability of 42% to survive for 2 years (p = 0.016). The expression of one CXC-chemokine, CXCL10, was significantly associated with response to radiotherapy and the group of patients with the highest CXCL10 expression responded, especially poorly (p = 0.01). CXCL10 is a potential marker for response to radiotherapy and overall survival in patients with squamous cell carcinoma of the tongue.
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Affiliation(s)
- Matilda Rentoft
- Department of Chemistry, Umeå University, 901 85, Umeå, Sweden,
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30
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Dong L, Ge XY, Wang YX, Yang LQ, Li SL, Yu GY, Gao Y, Fu J. Transforming growth factor-β and epithelial-mesenchymal transition are associated with pulmonary metastasis in adenoid cystic carcinoma. Oral Oncol 2013; 49:1051-8. [PMID: 23962790 DOI: 10.1016/j.oraloncology.2013.07.012] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2013] [Revised: 07/27/2013] [Accepted: 07/31/2013] [Indexed: 11/18/2022]
Abstract
OBJECTIVES Adenoid cystic carcinoma (ACC) is one of the most common malignancies of salivary glands, characterized by poor prognosis, particularly due to pulmonary metastasis. We previously reported that transforming growth factor (TGF)-β1 promoted ACC cell migration and invasion via the Smad pathway in vitro. The aim of this study was to establish the underlying mechanisms. MATERIALS AND METHODS TGF-β1, phospho-Smad2 and β-catenin expression in ACC tissues derived from patients was evaluated by immunohistochemistry. The role of TGF- β1 on the invasive capacity of ACC cells was determined by transwell assays in SACC-83 cells transfected with TGF-β1 and TGF-β type II dominant-negative receptor (TβRIIDN) plasmids or silenced by TGF-β1 siRNA. Expression of the epithelial-mesenchymal transition (EMT) markers, β-catenin, E-cadherin and Nectin-1, was determined by real-time PCR and immunochemistry. In vivo investigations were performed by inoculating nude mice with the transfected ACC cells and examining metastasis in bilateral lung tissues by immunohistochemistry. RESULTS Overexpression of TGF-β1 and phospho-Smad2, and reduced expression of membrane β-catenin, were closely associated with lung metastasis in ACC. Furthermore, the EMT markers were downregulated. In vitro, cells transfected with TGF-β1 exhibited altered morphology and increased invasive capacity compared to TβRIIDN-transfected cells or TGF-β1 siRNA silenced cells. In vivo, mice inoculated with TGF-β1 transfected ACC cells exhibited more metastases than other cells. CONCLUSION TGF-β1, phospho-Smad2 and β-catenin were significantly correlated with ACC metastasis. Blockade of TGF-β signaling by TβRIIDN or siRNA may offer potential gene therapies against pulmonary metastasis in patients with ACC.
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Affiliation(s)
- Ling Dong
- Laboratory of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, 22 Zhongguancun Nandajie, Haidian District, Beijing 100081, PR China
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Miyazaki H, Takabe K, Yeudall WA. Chemokines, chemokine receptors and the gastrointestinal system. World J Gastroenterol 2013; 19:2847-2863. [PMID: 23704819 PMCID: PMC3660811 DOI: 10.3748/wjg.v19.i19.2847] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2012] [Revised: 11/13/2012] [Accepted: 04/27/2013] [Indexed: 02/06/2023] Open
Abstract
The biological properties of tumor cells are known to be regulated by a multitude of cytokines and growth factors, which include epidermal growth factor receptor agonists and members of the transforming growth factor β family. Furthermore, the recent explosion of research in the field of chemokine function as mediators of tumor progression has led to the possibility that these small, immunomodulatory proteins also play key roles in carcinogenesis and may, therefore, be potential targets for novel therapeutic approaches. In this review, we will summarize recently reported findings in chemokine biology with a focus on the gastrointestinal tract.
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Czystowska M, Gooding W, Szczepanski MJ, Lopez-Abaitero A, Ferris RL, Johnson JT, Whiteside TL. The immune signature of CD8(+)CCR7(+) T cells in the peripheral circulation associates with disease recurrence in patients with HNSCC. Clin Cancer Res 2012; 19:889-99. [PMID: 23363813 DOI: 10.1158/1078-0432.ccr-12-2191] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE Patients with cancer have an increased frequency of circulating apoptosis-sensitive CD8(+)CCR7(neg) T cells and few CD8(+)CCR7(+) T cells versus normal controls. The functional and clinical significance of this imbalance was investigated using peripheral blood of patients with squamous cell carcinoma of the head and neck (HNSCC). EXPERIMENTAL DESIGN The frequency of circulating CD8(+) T cells co-expressing CCR7, CD45RO, CD28, and Annexin V (ANXV) was evaluated in 67 patients and 57 normal controls by flow cytometry. Spearman rank correlations among immunophenotypic profiles were analyzed. Recursive partitioning classified subjects as patients or normal controls based on CD8(+)CCR7(+) T-cell percentages. Kaplan-Meier plots estimated disease-free survival (DFS). RESULTS The CD8(+)CCR7(+) T-cell frequency was low, whereas that of total CD8(+)CCR7(neg) and ANXV-binding CD8(+)CCR7(neg) T cells was higher in patients with HNSCC than in normal controls (P < 0.001-0.0001). ANXV binding correlated with the absence of CCR7 on CD8(+) T cells (P < 0.001). ANXV binding was negatively correlated with the CD8(+)CD45RO(neg)CCR7(+) (T(N)) cell frequency (P < 0.01) but positively correlated (P < 0.01) with that of CD8(+)CD45RO(+)CCR7(+) (T(CM)) T cells and of the two CCR7(neg) subsets (T(PM) and T(TD)). In recursive partitioning models, the CD8(+)CCR7(+) T-cell frequency of 31% distinguished patients from normal controls with 77% to 88% accuracy after cross-validation. In 25 patients tested before any therapy, the CD8(+)CCR7(+) T-cell frequency of less than 28% predicted disease recurrence within 4 years of definitive therapy (P < 0.0115). CONCLUSION The CD8(+)CCR7(+) T-cell frequency in HNSCC patients' blood tested at diagnosis can discriminate them from normal controls and predicts disease recurrence.
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Affiliation(s)
- Malgorzata Czystowska
- Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
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Oliveira-Neto HH, de Souza PPC, da Silva MRB, Mendonça EF, Silva TA, Batista AC. The expression of chemokines CCL19, CCL21 and their receptor CCR7 in oral squamous cell carcinoma and its relevance to cervical lymph node metastasis. Tumour Biol 2012; 34:65-70. [PMID: 22976543 DOI: 10.1007/s13277-012-0511-3] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2012] [Accepted: 08/30/2012] [Indexed: 02/07/2023] Open
Abstract
The purpose of this study is to determine the expression of CCL19, CCL21, and CCR7 in samples of oral squamous cell carcinoma (OSCC) and their relationship with clinical and microscopic parameters. A comparative analysis was made of the mRNA expression of these chemokines and receptor in OSCC and normal oral mucosa. The immunoexpression of CCR7, CCL19, and CCL21 was also verified in OSCC and lymph nodes. Statistical significance was accepted at P < 0.05. Similar levels of CCR7, CCL19, and CCL21 mRNA in OSCC and normal oral mucosa were seen. A low expression of CCL19 and CCL21 in the intra- and peritumoral regions was observed. Scarce CCL19(+) and CCL21(+) cells were also noted in metastatic and non-metastatic lymph nodes. No association was found between the expression of these chemokines and clinical and microscopic parameters. Our findings would suggest that CCL19 and CCL21 may not be associated with cervical lymph node metastasis or other clinical and microscopic factors in OSCC.
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Affiliation(s)
- Helenisa Helena Oliveira-Neto
- Department of Stomatology (Oral Pathology), Dental School, Federal University of Goiás, Goiânia, CEP 74605-220, Brazil
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Abstract
Chemokines and their receptors have a multifaceted role in tumor biology and are implicated in nearly all aspects of cancer growth, survival and dissemination. Modulation of the interaction between chemokines and their cell surface receptor is, therefore, a promising area for the development of new cancer medicines. In this review, we look at the compelling evidence that is emerging to support targeting CXC chemokines, also known as family α chemokines, as novel therapeutic strategies in the treatment of cancer.
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Zhang Q, Liu T, Qin J. A microfluidic-based device for study of transendothelial invasion of tumor aggregates in realtime. LAB ON A CHIP 2012; 12:2837-42. [PMID: 22648473 DOI: 10.1039/c2lc00030j] [Citation(s) in RCA: 114] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Circulating tumor aggregates exhibit a high metastatic potential and could potentially serve as an important target for cancer therapies. In this study, we developed a microfluidic model that reconstitutes and is representative of the principal components of biological blood vessels, including vessel cavity, endothelium, and perivascular matrix containing chemokines. Using this model, the transendothelial invasion of tumor aggregates can be observed and recorded in realtime. In this study we analyzed the extravasation process of salivary gland adenoid cystic carcinoma (ACC) cell aggregates. ACC aggregates transmigrated across the endothelium under the stimulation of chemokine CXCL12. The endothelial integrity was irreversibly damaged at the site of transendothelial invasion. The transendothelial invasion of ACC aggregates was inhibited by AMD3100, but the adhesion of ACC aggregates to the endothelium was not affected by the CXCR4 antagonist. This model allows for detailed study of the attachment and transendothelial invasion of tumor aggregates; thus, it would be a useful tool for analysis of the underlying mechanisms of metastasis and for testing novel anti-metastasis agents.
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Affiliation(s)
- Qian Zhang
- Section of Oral Pathology, College of Stomatology, Dalian Medical University, China
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36
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Expression and function of CXCR4 in human salivary gland cancers. Clin Exp Metastasis 2012; 30:133-42. [PMID: 22847686 DOI: 10.1007/s10585-012-9518-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2011] [Accepted: 07/09/2012] [Indexed: 01/06/2023]
Abstract
Salivary gland cancers (SGCs) frequently metastasize to cervical lymph nodes and distant organs. Currently, the mechanisms responsible for the metastatic behavior of SGC cells are not fully understood. We previously demonstrated that the stromal cell-derived factor-1 (SDF-1; also known as CXCL12)/CXCR4 system is involved in the establishment of metastasis in oral squamous cell carcinoma. In the present study, we investigated the role of CXCR4 in the metastatic behavior of SGCs. We examined the expression of CXCR4 mRNA and protein in human SGC cell lines by quantitative RT-PCR and western blotting, respectively. The expression of CXCR4 mRNA and protein were frequently upregulated in 5 out of 6 SGC cell lines. Functional CXCR4 expression was demonstrated by the ability of these SGC cell lines to migrate toward an SDF-1 gradient. SDF-1 rapidly activated extracellular signal-regulated kinase (ERK)1/2 in SGC cell lines. Immunohistochemical analysis revealed that CXCR4 protein expression was detected in either the nucleus or cytoplasm of cancer cells in 16 out of 20 tissues of adenoid cystic carcinoma (ACC) and in 4 out of 6 tissues of mucoepidermoid carcinoma, which are representative of SGC. Furthermore, ACC cell lines exhibited dramatic metastasis to the lung following intravenous inoculation, whereas AMD3100, a CXCR4 antagonist, significantly inhibited lung metastasis of the cells, ameliorated body weight loss and improved the survival rate of tumor-bearing nude mice. These results indicate that CXCR4 expression contributes to the metastatic potential of SGCs.
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Nimmagadda S. Differential Expression of Chemokine Receptors and their Roles in Cancer Imaging. Front Oncol 2012; 2:46. [PMID: 22662317 PMCID: PMC3362738 DOI: 10.3389/fonc.2012.00046] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2011] [Accepted: 04/24/2012] [Indexed: 12/15/2022] Open
Abstract
Chemokine/chemokine receptor interactions play diverse roles in cell migration and homeostasis. Emerging evidence suggests that cancer cells co-opt chemokine networks for survival, proliferation, immune evasion, and metastasis. Most of the chemokine receptors are reported to be involved in tumor progression. Given their extensive implication in cancer progression, several chemokine receptor/ligand axes are considered as potential therapeutic targets. This review provides a survey of chemokine receptor expression in cancer and evaluates the potential of chemokine receptor imaging as a tool for molecular characterization of cancer.
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Affiliation(s)
- Sridhar Nimmagadda
- Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University Baltimore, MD, USA
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Zhou Z, Lu X, Zhu P, Zhu W, Mu X, Qu R, Li M. VCC-1 over-expression inhibits cisplatin-induced apoptosis in HepG2 cells. Biochem Biophys Res Commun 2012; 420:336-42. [DOI: 10.1016/j.bbrc.2012.02.160] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2012] [Accepted: 02/29/2012] [Indexed: 01/05/2023]
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Sambandam Y, Sundaram K, Liu A, Kirkwood KL, Ries WL, Reddy SV. CXCL13 activation of c-Myc induces RANK ligand expression in stromal/preosteoblast cells in the oral squamous cell carcinoma tumor-bone microenvironment. Oncogene 2012; 32:97-105. [PMID: 22330139 PMCID: PMC3355224 DOI: 10.1038/onc.2012.24] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
CXC chemokine ligand-13 (CXCL13) has been implicated in oral squamous cell carcinoma (OSCC) tumor progression and osteolysis. The tumor necrosis factor family member RANKL (receptor activator of NF-κB ligand), a critical bone resorbing osteoclastogenic factor, has an important role in cancer invasion of bone/osteolysis. Here, we show high-level expression of CXCL13 in primary human OSCC tumor specimens; however, human bone marrow-derived stromal (SAKA-T) and murine preosteoblast (MC3T3-E1) cells produce at very low level. Recombinant CXCL13 (0-15 ng/ml) dose dependently induced CXCR5 expression in SAKA-T and MC3T3-E1 cells. Conditioned media obtained from OSCC cell lines increased the RANKL expression and an antibody against the CXCL13 specific receptor, CXCR5 markedly decreased RANKL expression in these cells. Furthermore, CXCL13 increased hRANKL-Luc promoter activity. Superarray screening identified c-Myc and NFATc3 transcription factors upregulated in CXCL13-stimulated SAKA-T cells. Immunohistochemical analysis of OSCC tumors that developed in athymic mice demonstrated RANKL and NFATc3 expression in tumor and osteoblast cells, however, showed p-c-Myc expression specific to osteoblastic cells at the tumor-bone interface. We further identified NFATc3 expression, but not c-Myc activation in primary human OSCC tumor specimens compared with adjacent normal tissue. Also, CXCL13 significantly increased p-ERK1/2 in SAKA-T and MC3T3-E1 cells. siRNA suppression of c-Myc expression markedly decreased CXCL13-induced RANKL and NFATc3 expression in preosteoblast cells. Chromatin-immuno precipitation assay confirmed p-c-Myc binding to the hRANKL promoter region. In summary, c-Myc activation through CXCL13-CXCR5 signaling axis stimulates RANKL expression in stromal/preosteoblast cells. Thus, our results implicate CXCL13 as a potential therapeutic target to prevent OSCC invasion of bone/osteolysis.
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Affiliation(s)
- Y Sambandam
- Charles P Darby Children's Research Institute, Medical University of South Carolina, Charleston, SC 29425, USA
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40
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Ni YH, Wang ZY, Huang XF, Shi PH, Han W, Hou YY, Hua ZC, Hu AQG. Effect of siRNA-mediated downregulation of VEGF in Tca8113 cells on the activity of monocyte-derived dendritic cells. Oncol Lett 2012; 3:885-892. [PMID: 22741012 DOI: 10.3892/ol.2012.568] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2011] [Accepted: 12/28/2011] [Indexed: 11/06/2022] Open
Abstract
Vascular endothelial growth factor (VEGF) is a tumor angiogenesis factor that is important in immune regulation. In our previous study, we found that VEGF expression in the peripheral blood and neoplasm nest from patients with oral squamous cell carcinoma (OSCC) was positively correlated with the course of disease, while an inverse correlation between VEGF expression and dendritic cells (DCs) was identified in the peripheral blood. Therefore, in the present study, we investigated whether inhibition of human VEGF in the human tongue carcinoma cell line Tca8113 had effects on the activity of monocyte-derived DCs. We knocked down the expression of human VEGF in Tca8113 cells using the small interfering RNA (siRNA) technique. Tca8113 cells pre-transfected with siRNA targeting VEGF were co-cultured with monocyte‑derived immature and mature DCs. Cell proliferation was evaluated by a WST-8 assay. Cell apoptosis, cell cycle and cell phenotypes were determined by flow cytometry. The data revealed that downregulation of the human VEGF significantly inhibited the proliferation of Tca8113 cells and increased apoptosis. Inhibition of human VEGF arrested the cell cycle of Tca8113 cells at the G0/G1 phase. Our results showed that the co-culture of DCs with Tca8113 cells markedly inhibited the expression of the mature markers of DCs including HLA-DR, CD80, CD86, CD40 and CD1a, as well as the immature marker CD83, while inhibition of human VEGF in Tca8113 cells significantly reversed these effects. Therefore, human VEGF in Tca8113 cells may not only regulate the cell proliferation and apoptosis of oral squamous cell carcinoma cells, but may also inhibit DC maturation.
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Affiliation(s)
- Yan-Hong Ni
- Central Laboratory of Stomatology, Nanjing Stomatological Hospital, Institute and Hospital of Nanjing Medical School, Nanjing University, Nanjing 210008, P.R. China
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Biragyn A, Longo DL. Neoplastic "Black Ops": cancer's subversive tactics in overcoming host defenses. Semin Cancer Biol 2012; 22:50-9. [PMID: 22257681 DOI: 10.1016/j.semcancer.2012.01.005] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2011] [Accepted: 01/04/2012] [Indexed: 01/07/2023]
Abstract
Metastatic cancer is usually an incurable disease. Cancers have a broad repertoire of subversive tactics to defeat the immune system. They mimic self, they down-regulate MHC molecules so that T cells are blind to their presence, they interfere with antigen presentation, and they produce factors that can kill T cells or paralyze their response to antigens. Furthermore, the same powerful machinery designed to prevent harmful autoimmune responses is also acting to protect cancers. In particular, cancer is protected with the help of so-called regulatory immune cells. These unique subsets of cells, represented by almost every immune cell type, function to control responses of effector immune cells. In this review, we will discuss the evidence that cancer actively promotes cross-talk of regulatory immune cells to evade immunosurveillance. We will also discuss the role of a newly described cell type, regulatory B cells, by emphasizing their importance in suppression of antitumor immune responses. Thus, cancer not only directly suppresses immune function, but also recruits components of the immune system to become traitors and protect the tumor from immune attack.
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Affiliation(s)
- Arya Biragyn
- Laboratory of Molecular Biology and Immunology, National Institute on Aging, Baltimore, MD 21224, United States.
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Ceder R, Haig Y, Merne M, Hansson A, Zheng X, Roberg K, Nees M, Iljin K, Bloor BK, Morgan PR, Fadeel B, Grafström RC. Differentiation-promoting culture of competent and noncompetent keratinocytes identifies biomarkers for head and neck cancer. THE AMERICAN JOURNAL OF PATHOLOGY 2011; 180:457-72. [PMID: 22142811 DOI: 10.1016/j.ajpath.2011.10.016] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2011] [Revised: 09/12/2011] [Accepted: 10/11/2011] [Indexed: 01/06/2023]
Abstract
Aberrant contact-inhibited proliferation and differentiation induction couple with tumor severity, albeit with an imprecise association with prognosis. Assessment of contact inhibition and differentiation-promoting culture in this study of normal and immortalized oral keratinocytes (NOK and SVpgC2a, respectively) demonstrated elevated cloning ability and saturation density in the immortalized versus normal state, including consistent absence of differentiated morphological features. Transcriptomic analysis implicated 48 gene ontology categories, 8 molecular networks, and 10 key regulator genes in confluency-induced differentiation of NOK, all of which remained nonregulated in SVpgC2a. The SVpgC2a versus NOK transcriptome enriched 52 gene ontology categories altogether, 18 molecular networks, and 39 key regulator genes, several of which were associated with epithelial-mesenchymal transition. Assessment of the previously described gene sets relative to training data sets of head and neck squamous cell carcinoma samples, one including data on tumor differentiation and patient outcome and one present in the Human Gene Expression Map, identified four genes with association to poor survival (COX7A1, MFAP5, MPDU1, and POLD1). This gene set predicted poor outcome in an independent data set of 71 head and neck squamous cell carcinomas. The present study defines, for the first time to our knowledge, the broad gene spectrum that couples to induction, and loss, of oral keratinocyte differentiation. Bioinformatics assessments of the results relative to clinical data generated novel differentiation-related tumor biomarkers relevant to patient outcome.
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Affiliation(s)
- Rebecca Ceder
- Division of Molecular Toxicology, Institute of Environmental Medicine, Karolinska Institute, Stockholm, Sweden
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43
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Cai C, Rodepeter FR, Rossmann A, Teymoortash A, Lee JS, Quint K, Di Fazio P, Ocker M, Werner JA, Mandic R. Nef from SIV(mac239) decreases proliferation and migration of adenoid-cystic carcinoma cells and inhibits angiogenesis. Oral Oncol 2011; 47:847-54. [PMID: 21763177 DOI: 10.1016/j.oraloncology.2011.06.502] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2011] [Revised: 06/20/2011] [Accepted: 06/21/2011] [Indexed: 02/07/2023]
Abstract
The HIV/SIV accessory protein Nef is known to down-modulate cell surface receptors that are required for virus entry such as CD4, CCR5 and CXCR4 to block lethal viral superinfection of the infected cell. The chemokine receptor CXCR4 also plays an important role in promoting cell proliferation, metastasis and tumor angiogenesis. Therefore it was of interest to evaluate if Nef can down-regulate CXCR4 in tumor cells since this could affect these critical prognostic parameters. The CXCR4-expressing cell line ACC3 that was derived from a salivary gland adenoid cystic carcinoma (ACC) of the head and neck was transfected with Nef from SIV(mac239) and cell surface expression of the receptor was monitored by FACS analysis. Real time proliferation of cells was measured with the xCELLigence system (Roche, Mannheim, Germany). Cell migration was detected by an in vitro scratch assay. Similarly, COS-7 cells were co-transfected with CXCR4 and Nef and were treated as described for ACC3. In vitro tube formation was deployed to assess the effect of Nef on angiogenesis. siRNA was used for CXCR4 knockdown. Cell surface down-modulation of endogenous CXCR4 could be observed in ACC3 cells after Nef-transfection as well as in COS-7 cells after co-transfection of CXCR4 and Nef. Proliferation as well as migration of Nef-transfected ACC3 tumor cells appeared significantly reduced. In vitro tube formation was significantly lowered after Nef-transfection or CXCR4 knockdown with siRNA. SIV-Nef could serve as an interesting tool to study the biologic behavior of CXCR4-expressing tumors such as ACC. Deploying SIV-Nef thereby could help in the discovery of new therapeutic approaches for the treatment of ACC and other CXCR4-expressing tumors.
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Affiliation(s)
- Chengzhong Cai
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Giessen and Marburg, Campus Marburg, Baldingerstrasse, D-35033 Marburg, Germany
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44
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Abstract
It has been 10 years since the role of a chemokine receptor, CXCR4, in breast cancer metastasis was first documented. Since then, the field of chemokines and cancer has grown significantly, so it is timely to review the progress, analyse the studies to date and identify future challenges facing this field. Metastasis is the major factor that limits survival in most patients with cancer. Therefore, understanding the molecular mechanisms that control the metastatic behaviour of tumour cells is pivotal for treating cancer successfully. Substantial experimental and clinical evidence supports the conclusion that molecular mechanisms control organ-specific metastasis. One of the most important mechanisms operating in metastasis involves homeostatic chemokines and their receptors. Here, we review this field and propose a model of 'cellular highways' to explain the effects of homeostatic chemokines on cancer cells and how they influence metastasis.
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45
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Clatot F, Picquenot JM, Choussy O, Gouérant S, Moldovan C, Schultheis D, Cornic M, François A, Blot E, Laberge-Le-Couteulx S. Intratumoural level of SDF-1 correlates with survival in head and neck squamous cell carcinoma. Oral Oncol 2011; 47:1062-8. [PMID: 21840752 DOI: 10.1016/j.oraloncology.2011.07.021] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2011] [Revised: 07/13/2011] [Accepted: 07/20/2011] [Indexed: 12/13/2022]
Abstract
The SDF-1/CXCR4 pathway has been suggested to play a role in the metastatic dissemination of various tumours. We assessed the prognostic impact of SDF-1 and CXCR4 expression in head and neck squamous cell carcinoma (HNSCC). Seventy-one HNSCC samples collected at the time of initial diagnosis were retrospectively analysed. SDF-1 and CXCR4 expression levels were measured using real-time RT-PCR and correlated to survival. After a median follow-up of 45 months, 25 patients (35%) died of cancer (group D), and 46 patients (65%) were alive or dead without evidence of HSNCC evolution (group A). The median level of CXCR4 expression was 0.33 and 0.29 in groups A and D, respectively (P=0.93), showing no correlation with recurrence or survival. By contrast, the median level of SDF-1 expression was significantly different in the A and D groups (2.41 vs 1.16, respectively, P=0.018). Using the median level as a cut-off, patients with low SDF-1 had poorer metastasis-free (P=0.026), disease-free (P=0.006) and overall specific survival rates (P=0.002). The prognostic value of SDF-1 was confirmed by a multivariate analysis. In this series of 71 HNSCC patients, the SDF-1 expression level correlated significantly with metastatic evolution and overall survival.
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Affiliation(s)
- Florian Clatot
- Department of Medical Oncology, Centre Henri Becquerel, 1 rue d'Amiens, 76038 Rouen cedex, France.
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46
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Righi E, Kashiwagi S, Yuan J, Santosuosso M, Leblanc P, Ingraham R, Forbes B, Edelblute B, Collette B, Xing D, Kowalski M, Mingari MC, Vianello F, Birrer M, Orsulic S, Dranoff G, Poznansky MC. CXCL12/CXCR4 blockade induces multimodal antitumor effects that prolong survival in an immunocompetent mouse model of ovarian cancer. Cancer Res 2011; 71:5522-5534. [PMID: 21742774 DOI: 10.1158/0008-5472.can-10-3143] [Citation(s) in RCA: 189] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The chemokine CXCL12 and its receptor CXCR4 are expressed widely in human cancers, including ovarian cancer, in which they are associated with disease progression at the levels of tumor cell proliferation, invasion, and angiogenesis. Here, we used an immunocompetent mouse model of intraperitoneal papillary epithelial ovarian cancer to show that modulation of the CXCL12/CXCR4 axis in ovarian cancer has multimodal effects on tumor pathogenesis associated with induction of antitumor immunity. siRNA-mediated knockdown of CXCL12 in BR5-1 cells that constitutively express CXCL12 and CXCR4 reduced cell proliferation in vitro, and tumor growth in vivo. Similarly, treatment of BR5-1-derived tumors with AMD3100, a selective CXCR4 antagonist, resulted in increased tumor apoptosis and necrosis, reduction in intraperitoneal dissemination, and selective reduction of intratumoral FoxP3(+) regulatory T cells (Treg). Compared with controls, CXCR4 blockade greatly increased T-cell-mediated antitumor immune responses, conferring a significant survival advantage to AMD3100-treated mice. In addition, the selective effect of CXCR4 antagonism on intratumoral Tregs was associated with both higher CXCR4 expression and increased chemotactic responses to CXCL12, a finding that was also confirmed in a melanoma model. Together, our findings reinforce the concept of a critical role for the CXCL12/CXCR4 axis in ovarian cancer pathogenesis, and they offer a definitive preclinical validation of CXCR4 as a therapeutic target in this disease.
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Affiliation(s)
- Elda Righi
- Vaccine and Immunotherapy Center, Infectious Diseases Medicine, Massachusetts General Hospital, Charlestown, MA
- Department of Experimental Medicine and IST Cancer Research, Genoa University, Italy
| | - Satoshi Kashiwagi
- Vaccine and Immunotherapy Center, Infectious Diseases Medicine, Massachusetts General Hospital, Charlestown, MA
| | - Jianping Yuan
- Vaccine and Immunotherapy Center, Infectious Diseases Medicine, Massachusetts General Hospital, Charlestown, MA
| | - Michael Santosuosso
- Vaccine and Immunotherapy Center, Infectious Diseases Medicine, Massachusetts General Hospital, Charlestown, MA
| | - Pierre Leblanc
- Vaccine and Immunotherapy Center, Infectious Diseases Medicine, Massachusetts General Hospital, Charlestown, MA
| | - Rachel Ingraham
- Vaccine and Immunotherapy Center, Infectious Diseases Medicine, Massachusetts General Hospital, Charlestown, MA
| | - Benjamin Forbes
- Vaccine and Immunotherapy Center, Infectious Diseases Medicine, Massachusetts General Hospital, Charlestown, MA
| | - Beth Edelblute
- Vaccine and Immunotherapy Center, Infectious Diseases Medicine, Massachusetts General Hospital, Charlestown, MA
| | - Brian Collette
- Vaccine and Immunotherapy Center, Infectious Diseases Medicine, Massachusetts General Hospital, Charlestown, MA
| | - Deyin Xing
- Molecular Pathology, Massachusetts General Hospital, Boston, MA
| | - Magdalena Kowalski
- Vaccine and Immunotherapy Center, Infectious Diseases Medicine, Massachusetts General Hospital, Charlestown, MA
- Department of Zoology, Clare College, Cambridge, UK
| | | | | | - Michael Birrer
- Gynecological Oncology Cancer Center, Massachusetts General Hospital, Boston, MA
| | - Sandra Orsulic
- Molecular Pathology, Massachusetts General Hospital, Boston, MA
- Women's Cancer Research Institute, Cedars-Sinai Medical Center, Los Angeles, CA
| | - Glenn Dranoff
- Department of Medical Oncology and Cancer Vaccine Center, Dana-Farber Cancer Institute, Boston, MA
| | - Mark C Poznansky
- Vaccine and Immunotherapy Center, Infectious Diseases Medicine, Massachusetts General Hospital, Charlestown, MA
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47
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Hoon DSB, Ferris R, Tanaka R, Chong KK, Alix-Panabières C, Pantel K. Molecular mechanisms of metastasis. J Surg Oncol 2011; 103:508-17. [PMID: 21480243 DOI: 10.1002/jso.21690] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The mechanism of metastasis is a complex set of events that build upon each other to achieve successful growth in organ sites beyond the primary tumor. The cumulative events for metastasis of different cancers have both common and specific cancer specific events. This review discusses several key factors in different cancers that are responsible in metastasis, which includes epigenetic regulation of tumor suppressor genes, functional activity of tumor-related chemokine receptors, and circulating tumor cells.
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Affiliation(s)
- Dave S B Hoon
- Department of Molecular Oncology, John Wayne Cancer Institute, Santa Monica, California 90404, USA.
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48
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Dong L, Wang Y, Li S, Yu G, Gan Y, Li D, Wang C. TGF-β1 Promotes Migration and Invasion of Salivary Adenoid Cystic Carcinoma. J Dent Res 2011; 90:804-9. [DOI: 10.1177/0022034511401407] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Salivary adenoid cystic carcinoma (SACC) is one of the most common subtypes of salivary gland carcinomas and frequently metastasizes to distant organs. However, little is known about the molecular mechanisms that promote SACC metastasis. In this study, we report that transforming growth factor (TGF)-β1 was highly expressed in the highly metastatic SACC-LM cell line as compared with its parental low-metastatic SACC-83 cell line. Exogenous addition of TGF-β1 induced Smad2 phosphorylation and promoted the migration and invasion of SACC-83 cells. Consistently, the inhibition of endogenous TGF-β1 signaling in SACC-LM cells by an inhibitor specific to the type I TGF-β1 receptor (TβRI) suppressed cell migration and invasion. Moreover, we found that TGF-β1 expression was significantly increased in human primary SACC samples with metastasis. Taken together, our results suggest that TGF-β1 may play a crucial role in SACC metastasis.
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Affiliation(s)
- L. Dong
- Laboratory of Oral and Maxillofacial Surgery
| | - Y.X. Wang
- Central Laboratory Laboratory of Oral and Maxillofacial Surgery
| | - S.L. Li
- Central Laboratory Laboratory of Oral and Maxillofacial Surgery
| | - G.Y. Yu
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, 22 Zhongguancun Nandajie, Haidian District, Beijing 100081, P.R. China
| | | | - D. Li
- Laboratory of Oral and Maxillofacial Surgery
| | - C.Y. Wang
- Division of Oral Biology and Medicine, UCLA School of Dentistry, Los Angeles, CA 90095, USA
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49
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Gopal R, Birdsell D, Monroy FP. Regulation of chemokine responses in intestinal epithelial cells by stress and Toxoplasma gondii infection. Parasite Immunol 2011; 33:12-24. [PMID: 21155839 DOI: 10.1111/j.1365-3024.2010.01248.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Infection with Toxoplasma gondii induces chemokine up-regulation in several cell types. Here, we investigated the role of stress products (norepinephrine, NE) on chemokine production in mouse intestinal epithelial cells (IECs). Purified IECs were used to determine the expression levels of chemokines by real-time PCR. There was significantly increased expression in CCL2, CCL3, CCL5, CXCL2, CXCL9 and CXCL10 in IECs following peroral infection with T. gondii (INF) on day eight post-infection (PI) compared to infected mice subjected to cold-water stress (INF+CWS). In vitro studies using the MODE-K cell line showed increased chemokine mRNA and protein expression in infected but not in cells exposed to parasite antigen. Down-regulation of chemokine expression was more pronounced when active infection was used in combination with NE. Chemokine receptor expression was increased in IECs isolated from INF and decreased in the INF+CWS group. In MODE-K cells, there was decreased mRNA expression of chemokine receptors when incubated with β-adrenergic antagonists. Neither, adrenergic antagonists blocked the effect of infection on chemokine receptor expression. Cold-water stress was able to decrease expression of chemokines and their receptors in IECs in vivo and in vitro. Cold-water stress-mediated modulation of innate intestinal responses are beneficial in C57BL/6 mice during T. gondii infection.
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Affiliation(s)
- R Gopal
- Department of Biological Sciences, Northern Arizona University, Flagstaff, AZ 86011, USA
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50
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Wolff HA, Rolke D, Rave-Fränk M, Schirmer M, Eicheler W, Doerfler A, Hille A, Hess CF, Matthias C, Rödel RMW, Christiansen H. Analysis of chemokine and chemokine receptor expression in squamous cell carcinoma of the head and neck (SCCHN) cell lines. RADIATION AND ENVIRONMENTAL BIOPHYSICS 2011; 50:145-154. [PMID: 21085979 PMCID: PMC3040826 DOI: 10.1007/s00411-010-0341-x] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/16/2010] [Accepted: 11/01/2010] [Indexed: 05/30/2023]
Abstract
The purpose of this work was to analyze chemokine and chemokine receptor expression in untreated and in irradiated squamous cell carcinoma of the head and neck (SCCHN) tumor cell lines, aiming at the establishment of assays to test for the relevance of chemokine and chemokine receptor expression in the response of SCCHN to radiotherapy and radiochemotherapy. Five low passage and 10 established SCCHN lines, as well as two normal cell lines, were irradiated at 2 Gy or sham-irradiated, and harvested between 1 and 48 h after treatment. For chemokines with CC and CXC structural motifs and their receptors, transcript levels of target and reference genes were quantified relatively by real-time PCR. In addition, CXCL1 and CXCL12 protein expression was analyzed by ELISA. A substantial variation in chemokine and chemokine receptor expression between SCCHN was detected. Practically, all cell lines expressed CCL5 and CCL20, while CCL2 was expressed in normal cells and in some of the tumor cell lines. CXCL1, CXCL2, CXCL3, CXCL10, and CXCL11 were expressed in the vast majority of the cell lines, while the expression of CXCL9 and CXCL12 was restricted to fibroblasts and few tumor cell lines. None of the analyzed cell lines expressed the chemokines CCL3, CCL4, or CCL19. Of the receptors, transcript expression of CCR1, CCR2, CCR3, CCR5, CCR7, CCXR2, and CCXR3 was not detected, and CCR6, CXCR1, and CXCR4 expression was restricted to few tumor cells. Radiation caused up- and down-regulation with respect to chemokine expressions, while for chemokine receptor expressions down-regulations were prevailing. CXCL1 and CXCL12 protein expression corresponded well with the mRNA expression. We conclude that the substantial variation in chemokine and chemokine receptor expression between SCCHN offer opportunities for the establishment of assays to test for the relevance of chemokine and chemokine receptor expression in the response of SCCHN to radiotherapy and radiochemotherapy.
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MESH Headings
- Carcinoma, Squamous Cell/drug therapy
- Carcinoma, Squamous Cell/genetics
- Carcinoma, Squamous Cell/pathology
- Carcinoma, Squamous Cell/radiotherapy
- Cell Line, Tumor
- Chemokines/genetics
- Gene Expression Profiling
- Gene Expression Regulation, Neoplastic/drug effects
- Gene Expression Regulation, Neoplastic/radiation effects
- Head and Neck Neoplasms/drug therapy
- Head and Neck Neoplasms/genetics
- Head and Neck Neoplasms/pathology
- Head and Neck Neoplasms/radiotherapy
- Humans
- RNA, Messenger/genetics
- RNA, Messenger/metabolism
- Receptors, Chemokine/genetics
- Reproducibility of Results
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Affiliation(s)
- Hendrik A. Wolff
- Department of Radiotherapy and Radiation Oncology, Universitätsmedizin Göttingen, Göttingen, Germany
| | - David Rolke
- Department of Radiotherapy and Radiation Oncology, Universitätsmedizin Göttingen, Göttingen, Germany
| | - Margret Rave-Fränk
- Department of Radiotherapy and Radiation Oncology, Universitätsmedizin Göttingen, Göttingen, Germany
| | - Markus Schirmer
- Department of Pharmacology, Universitätsmedizin Göttingen, Göttingen, Germany
| | - Wolfgang Eicheler
- Department of Radiation Oncology, OncoRay-Center for Radiation Research in Oncology, Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Annegret Doerfler
- Department of Radiation Oncology, OncoRay-Center for Radiation Research in Oncology, Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Andrea Hille
- Department of Radiotherapy and Radiation Oncology, Universitätsmedizin Göttingen, Göttingen, Germany
| | - Clemens F. Hess
- Department of Radiotherapy and Radiation Oncology, Universitätsmedizin Göttingen, Göttingen, Germany
| | - Christoph Matthias
- Department of Otorhinolaryngology-Head and Neck Surgery, Universitätsmedizin Göttingen, Göttingen, Germany
| | - Ralph M. W. Rödel
- Department of Otorhinolaryngology-Head and Neck Surgery, Universitätsmedizin Göttingen, Göttingen, Germany
| | - Hans Christiansen
- Department of Radiotherapy and Radiation Oncology, Universitätsmedizin Göttingen, Göttingen, Germany
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