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Elhendawy HA, Soliman S. Clinicopathological correlation of Cathepsin K expression in salivary gland carcinomas; relation to patients` outcome. Diagn Pathol 2023; 18:66. [PMID: 37198626 DOI: 10.1186/s13000-023-01353-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Accepted: 05/07/2023] [Indexed: 05/19/2023] Open
Abstract
BACKGROUND Salivary gland carcinomas (SGCs) represent various groups of tumors that demonstrate marked diversity in their prognosis owing to different histology and clinical characteristics. One of the poor prognostic indicators is distant metastasis which is considered the major reason for death in SGC patients. Discovering new biomarkers is urgently required to aid in the detection of cancer onset and progression. Cathepsin K (CTSK), the lysosomal cysteine protease has a principal role in cancer invasion and progression through interaction with the tumor microenvironment, degradation of extracellular membrane proteins and destruction of the elastic lamina of blood vessels. In the English literature, little information was present about the role of CTSK in SGCs. The current study aimed to assess the immunohistochemical expression of CTSK in SGCs and correlate its expression to different clinicopathologic parameters. METHODS The retrospective study applied to 45 cases of SGCs categorized as high-grade (33 cases) and low-grade SGCs (12 cases) following the criteria of WHO classification (2017) of head and neck tumors. All patients` clinicopathological and follow-up records were retrieved. The following statistical tests were used to study the variance of CTSK expression in SGCs concerning different clinicopathological parameters; Pearson`s Chi-square test, unpaired two-tailed student t-test, One-way ANOVA, and Post Hoc tests. Disease-free survival (DFS) and Overall survival (OS) were calculated and displayed with the Kaplan-Meier strategy and analyzed with the log-rank test. Univariate and multivariate survival analyses were performed with Cox regression. A P-value lesser than 0.05 was considered statistically significant. RESULTS Strong CTSK expression was significantly related to high-grade SGCs (P = 0.000), large infiltrating carcinomas (P = 0.000), presence of nodal (P = 0.041) and distant metastasis (P = 0.009), advanced TNM clinical stage (P = 0.000), the incidence of recurrence (P = 0.009), and reduced DFS (P = 0.006). Distant metastasis was the independent predictor for DFS using Cox regression model. CONCLUSIONS CTSK has a great role in cancer progression by triggering many signaling pathways. Its level in cancerous tissue is considered an effective index for predicting the severity and prognosis of cancer. Therefore, we indicate its utility as a prognostic tool and therapeutic target for cancer treatment. TRIAL REGISTRATION Retrospectively registered.
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Affiliation(s)
- Heba Ahmed Elhendawy
- Oral Pathology Department, Faculty of Dentistry, Mansoura University, Mansoura, Egypt
| | - Samar Soliman
- Oral Pathology Department, Faculty of Dentistry, Mansoura University, Mansoura, Egypt.
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Proteins Found in the Triple-Negative Breast Cancer Secretome and Their Therapeutic Potential. Int J Mol Sci 2023; 24:ijms24032100. [PMID: 36768435 PMCID: PMC9916912 DOI: 10.3390/ijms24032100] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 01/15/2023] [Accepted: 01/17/2023] [Indexed: 01/24/2023] Open
Abstract
The cancer secretome comprises factors secreted by tumors, including cytokines, growth factors, proteins from the extracellular matrix (ECM), proteases and protease inhibitors, membrane and extracellular vesicle proteins, peptide hormones, and metabolic proteins. Secreted proteins provide an avenue for communication with other tumor cells and stromal cells, and these in turn promote tumor growth and progression. Breast cancer is the most commonly diagnosed cancer in women in the US and worldwide. Triple-negative breast cancer (TNBC) is characterized by its aggressiveness and its lack of expression of the estrogen receptor (ER), progesterone receptor (PR), and HER2, making it unable to be treated with therapies targeting these protein markers, and leaving patients to rely on standard chemotherapy. In order to develop more effective therapies against TNBC, researchers are searching for targetable molecules specific to TNBC. Proteins in the TNBC secretome are involved in wide-ranging cancer-promoting processes, including tumor growth, angiogenesis, inflammation, the EMT, drug resistance, invasion, and development of the premetastatic niche. In this review, we catalog the currently known proteins in the secretome of TNBC tumors and correlate these secreted molecules with potential therapeutic opportunities to facilitate translational research.
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Febrile-Range Hyperthermia Can Prevent Toxic Effects of Neutrophil Extracellular Traps on Mesenchymal Stem Cells. Int J Mol Sci 2022; 23:ijms232416208. [PMID: 36555846 PMCID: PMC9786713 DOI: 10.3390/ijms232416208] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 11/30/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022] Open
Abstract
Fracture healing is characterized by an inflammatory phase directly after fracture which has a strong impact on the healing outcome. Neutrophils are strong contributors here and can release neutrophil extracellular traps (NETs). NETs are found after trauma, originally thought to capture pathogens. However, they can lead to tissue damage and impede wound healing processes. Their role in fracture healing remains unclear. In this study, the effect of isolated NETs on the function of bone-forming mesenchymal stem cells (SCP-1 cells) was examined. NETs were isolated from stimulated healthy neutrophils and viability, migration, and differentiation of SCP-1 cells were analyzed after the addition of NETs. NETs severely impaired the viability of SCP-1 cells, induced necrosis and already nontoxic concentrations reduced migration significantly. Short-term incubation with NETs had a persistent negative effect on osteogenic differentiation, as measured by AP activity and matrix formation. The addition of DNase or protease inhibitors failed to reverse the negative effect of NETs, whereas a short febrile-range temperature treatment successfully reduced the toxicity and membrane destruction. Thus, the possible modification of the negative effects of NETs in fracture hematomas could be an interesting new target to improve bone healing, particularly in patients with chronic diseases such as diabetes.
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Hub Gene and Its Key Effects on Diffuse Large B-Cell Lymphoma by Weighted Gene Coexpression Network Analysis. BIOMED RESEARCH INTERNATIONAL 2021; 2021:8127145. [PMID: 34873574 PMCID: PMC8643236 DOI: 10.1155/2021/8127145] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 10/11/2021] [Accepted: 10/28/2021] [Indexed: 12/28/2022]
Abstract
Diffuse large B-cell lymphoma (DLBC) is a kind of tumor with rapid progress and poor prognosis. Therefore, it is necessary to explore new biomarkers or therapeutic targets to assist in diagnosis or treatment. This study is aimed at screening hub genes by weighted gene coexpression network analysis (WGCNA) and exploring the significance of overall survival (OS) in DLBC patients. Statistical data using WGCNA to analyze mRNA expression in DLBC patients came from The Cancer Genome Atlas (TCGA) dataset. After analyzing with clinical information, the biological functions of hub genes were detected. Survival analysis, Cox regression detection, and correlation analysis of the hub genes were carried out. The potential function of the hub gene related to prognosis was predicted by gene set enrichment analysis (GSEA). The results showed that APOE, CTSD, LGALS2, and TMEM176B expression in normal tissues was significantly higher than that in cancer tissues (P < 0.01). Survival analysis showed that patients with high APOE and CTSD were associated with better OS (P < 0.01). APOE and CTSD genes were mainly enriched in the regulation of ROS and oxidative stress. The two hub genes related to the prognosis of DLBC were identified and verified based on WGCNA. Survival analysis showed that the overexpression of APOE and CTSD in DLBC might be beneficial to the prognosis. These findings identified vital pathways and genes that may become new therapeutic targets and contribute to prognostic indicators.
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Piperigkou Z, Kyriakopoulou K, Koutsakis C, Mastronikolis S, Karamanos NK. Key Matrix Remodeling Enzymes: Functions and Targeting in Cancer. Cancers (Basel) 2021; 13:1441. [PMID: 33809973 PMCID: PMC8005147 DOI: 10.3390/cancers13061441] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Revised: 03/05/2021] [Accepted: 03/17/2021] [Indexed: 12/13/2022] Open
Abstract
Tissue functionality and integrity demand continuous changes in distribution of major components in the extracellular matrices (ECMs) under normal conditions aiming tissue homeostasis. Major matrix degrading proteolytic enzymes are matrix metalloproteinases (MMPs), plasminogen activators, atypical proteases such as intracellular cathepsins and glycolytic enzymes including heparanase and hyaluronidases. Matrix proteases evoke epithelial-to-mesenchymal transition (EMT) and regulate ECM turnover under normal procedures as well as cancer cell phenotype, motility, invasion, autophagy, angiogenesis and exosome formation through vital signaling cascades. ECM remodeling is also achieved by glycolytic enzymes that are essential for cancer cell survival, proliferation and tumor progression. In this article, the types of major matrix remodeling enzymes, their effects in cancer initiation, propagation and progression as well as their pharmacological targeting and ongoing clinical trials are presented and critically discussed.
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Affiliation(s)
- Zoi Piperigkou
- Biochemistry, Biochemical Analysis and Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, 265 04 Patras, Greece; (K.K.); (C.K.)
- Foundation for Research and Technology-Hellas (FORTH)/Institute of Chemical Engineering Sciences (ICE-HT), 265 04 Patras, Greece
| | - Konstantina Kyriakopoulou
- Biochemistry, Biochemical Analysis and Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, 265 04 Patras, Greece; (K.K.); (C.K.)
| | - Christos Koutsakis
- Biochemistry, Biochemical Analysis and Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, 265 04 Patras, Greece; (K.K.); (C.K.)
| | | | - Nikos K. Karamanos
- Biochemistry, Biochemical Analysis and Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, 265 04 Patras, Greece; (K.K.); (C.K.)
- Foundation for Research and Technology-Hellas (FORTH)/Institute of Chemical Engineering Sciences (ICE-HT), 265 04 Patras, Greece
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Quesnel A, Karagiannis GS, Filippou PS. Extracellular proteolysis in glioblastoma progression and therapeutics. Biochim Biophys Acta Rev Cancer 2020; 1874:188428. [PMID: 32956761 DOI: 10.1016/j.bbcan.2020.188428] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 09/03/2020] [Accepted: 09/04/2020] [Indexed: 12/20/2022]
Abstract
Gliomas encompass highly invasive primary central nervous system (CNS) tumours of glial cell origin with an often-poor clinical prognosis. Of all gliomas, glioblastoma is the most aggressive form of primary brain cancer. Current treatments in glioblastoma are insufficient due to the invasive nature of brain tumour cells, which typically results in local tumour recurrence following treatment. The latter represents the most important cause of mortality in glioblastoma and underscores the necessity for an in-depth understanding of the underlying mechanisms. Interestingly, increased synthesis and secretion of several proteolytic enzymes within the tumour microenvironment, such as matrix metalloproteinases, lysosomal proteases, cathepsins and kallikreins for extracellular-matrix component degradation may play a major role in the aforementioned glioblastoma invasion mechanisms. These proteolytic networks are key players in establishing and maintaining a tumour microenvironment that promotes tumour cell survival, proliferation, and migration. Indeed, the targeted inhibition of these proteolytic enzymes has been a promisingly useful therapeutic strategy for glioblastoma management in both preclinical and clinical development. We hereby summarize current advances on the biology of the glioblastoma tumour microenvironment, with a particular emphasis on the role of proteolytic enzyme families in glioblastoma invasion and progression, as well as on their subsequent prognostic value as biomarkers and their therapeutic targeting in the era of precision medicine.
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Affiliation(s)
- Agathe Quesnel
- School of Health & Life Sciences, Teesside University, Middlesbrough TS1 3BX, United Kingdom; National Horizons Centre, Teesside University, 38 John Dixon Ln, Darlington, DL1 1HG, United Kingdom
| | - George S Karagiannis
- Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, Bronx, New York, USA; Integrated Imaging Program, Albert Einstein College of Medicine, Bronx, New York, USA; Gruss-Lipper Biophotonics Center, Albert Einstein College of Medicine, Bronx, New York, USA
| | - Panagiota S Filippou
- School of Health & Life Sciences, Teesside University, Middlesbrough TS1 3BX, United Kingdom; National Horizons Centre, Teesside University, 38 John Dixon Ln, Darlington, DL1 1HG, United Kingdom.
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Singanayagam A, Glanville N, Cuthbertson L, Bartlett NW, Finney LJ, Turek E, Bakhsoliani E, Calderazzo MA, Trujillo-Torralbo MB, Footitt J, James PL, Fenwick P, Kemp SV, Clarke TB, Wedzicha JA, Edwards MR, Moffatt M, Cookson WO, Mallia P, Johnston SL. Inhaled corticosteroid suppression of cathelicidin drives dysbiosis and bacterial infection in chronic obstructive pulmonary disease. Sci Transl Med 2020; 11:11/507/eaav3879. [PMID: 31462509 DOI: 10.1126/scitranslmed.aav3879] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 02/12/2019] [Accepted: 07/23/2019] [Indexed: 12/11/2022]
Abstract
Bacterial infection commonly complicates inflammatory airway diseases such as chronic obstructive pulmonary disease (COPD). The mechanisms of increased infection susceptibility and how use of the commonly prescribed therapy inhaled corticosteroids (ICS) accentuates pneumonia risk in COPD are poorly understood. Here, using analysis of samples from patients with COPD, we show that ICS use is associated with lung microbiota disruption leading to proliferation of streptococcal genera, an effect that could be recapitulated in ICS-treated mice. To study mechanisms underlying this effect, we used cellular and mouse models of streptococcal expansion with Streptococcus pneumoniae, an important pathogen in COPD, to demonstrate that ICS impairs pulmonary clearance of bacteria through suppression of the antimicrobial peptide cathelicidin. ICS impairment of pulmonary immunity was dependent on suppression of cathelicidin because ICS had no effect on bacterial loads in mice lacking cathelicidin (Camp -/-) and exogenous cathelicidin prevented ICS-mediated expansion of streptococci within the microbiota and improved bacterial clearance. Suppression of pulmonary immunity by ICS was mediated by augmentation of the protease cathepsin D. Collectively, these data suggest a central role for cathepsin D/cathelicidin in the suppression of antibacterial host defense by ICS in COPD. Therapeutic restoration of cathelicidin to boost antibacterial immunity and beneficially modulate the lung microbiota might be an effective strategy in COPD.
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Affiliation(s)
- Aran Singanayagam
- National Heart and Lung Institute, St Mary's Campus, Imperial College London, London W2 1PG, UK.
| | - Nicholas Glanville
- National Heart and Lung Institute, St Mary's Campus, Imperial College London, London W2 1PG, UK
| | - Leah Cuthbertson
- National Heart and Lung Institute, Brompton Campus, Imperial College London, London SW3 6LY, UK
| | - Nathan W Bartlett
- National Heart and Lung Institute, St Mary's Campus, Imperial College London, London W2 1PG, UK.,Faculty of Health and Medicine and Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute and University of Newcastle, Newcastle, NSW 2305, Australia
| | - Lydia J Finney
- National Heart and Lung Institute, Brompton Campus, Imperial College London, London SW3 6LY, UK
| | - Elena Turek
- National Heart and Lung Institute, Brompton Campus, Imperial College London, London SW3 6LY, UK
| | - Eteri Bakhsoliani
- National Heart and Lung Institute, St Mary's Campus, Imperial College London, London W2 1PG, UK
| | | | | | - Joseph Footitt
- National Heart and Lung Institute, St Mary's Campus, Imperial College London, London W2 1PG, UK
| | - Phillip L James
- National Heart and Lung Institute, Brompton Campus, Imperial College London, London SW3 6LY, UK
| | - Peter Fenwick
- National Heart and Lung Institute, Brompton Campus, Imperial College London, London SW3 6LY, UK
| | - Samuel V Kemp
- Royal Brompton Hospital, Fulham Road, London SW2 6NP, UK
| | - Thomas B Clarke
- MRC Centre for Molecular Bacteriology and Infection, Department of Medicine, Imperial College London, London SW7 2AZ, UK
| | - Jadwiga A Wedzicha
- National Heart and Lung Institute, Brompton Campus, Imperial College London, London SW3 6LY, UK
| | - Michael R Edwards
- National Heart and Lung Institute, St Mary's Campus, Imperial College London, London W2 1PG, UK
| | - Miriam Moffatt
- National Heart and Lung Institute, Brompton Campus, Imperial College London, London SW3 6LY, UK
| | - William O Cookson
- National Heart and Lung Institute, Brompton Campus, Imperial College London, London SW3 6LY, UK
| | - Patrick Mallia
- National Heart and Lung Institute, St Mary's Campus, Imperial College London, London W2 1PG, UK
| | - Sebastian L Johnston
- National Heart and Lung Institute, St Mary's Campus, Imperial College London, London W2 1PG, UK.
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8
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Xu J, Zhang Z, Lin L, Sun H, White LV, Ding K, Li Z. Quantitative Proteomics Reveals Cellular Off-Targets of a DDR1 Inhibitor. ACS Med Chem Lett 2020; 11:535-540. [PMID: 32292561 DOI: 10.1021/acsmedchemlett.9b00658] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Accepted: 02/05/2020] [Indexed: 12/17/2022] Open
Abstract
Target identification of small molecules is a great challenge but an essential step in drug discovery. Here, a quantitative proteomics approach has been used to characterize the cellular targets of DR, a DDR1 inhibitor. By taking advantage of competitive affinity-based protein profiling coupled with bioimaging, Cathepsin D (CTSD) was found to be the principle off-target of DR in human cancer cells. Further findings suggest the potential of DR as a novel CTSD inhibitor for breast cancer treatment. In addition, a trans-cyclooctene (TCO) containing probe was developed to track the binding between DR and its target proteins in living systems and could be a useful tool for DDR1 detection.
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Affiliation(s)
- Jiaqian Xu
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development, Ministry of Education (MOE) of China, Guangzhou Key Laboratory of Precision Chemical Drug Development, School of Pharmacy, Jinan University, 601 Huangpu Avenue West, Guangzhou 510632, China
- Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR 999077, China
| | - Zhang Zhang
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development, Ministry of Education (MOE) of China, Guangzhou Key Laboratory of Precision Chemical Drug Development, School of Pharmacy, Jinan University, 601 Huangpu Avenue West, Guangzhou 510632, China
| | - Ligen Lin
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, Macau, China
| | - Hongyan Sun
- Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR 999077, China
| | - Lorenzo V. White
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development, Ministry of Education (MOE) of China, Guangzhou Key Laboratory of Precision Chemical Drug Development, School of Pharmacy, Jinan University, 601 Huangpu Avenue West, Guangzhou 510632, China
| | - Ke Ding
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development, Ministry of Education (MOE) of China, Guangzhou Key Laboratory of Precision Chemical Drug Development, School of Pharmacy, Jinan University, 601 Huangpu Avenue West, Guangzhou 510632, China
| | - Zhengqiu Li
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development, Ministry of Education (MOE) of China, Guangzhou Key Laboratory of Precision Chemical Drug Development, School of Pharmacy, Jinan University, 601 Huangpu Avenue West, Guangzhou 510632, China
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9
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Vitkevičienė A, Janulis V, Žučenka A, Borutinskaitė V, Kaupinis A, Valius M, Griškevičius L, Navakauskienė R. Oxidative phosphorylation inhibition induces anticancerous changes in therapy-resistant-acute myeloid leukemia patient cells. Mol Carcinog 2019; 58:2008-2016. [PMID: 31385375 DOI: 10.1002/mc.23092] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Accepted: 07/19/2019] [Indexed: 01/27/2023]
Abstract
Treatment of acute myeloid leukemia (AML) is still a challenge because of common relapses or resistance to treatment. Therefore, the development of new therapeutic approaches is necessary. Various studies have shown that certain cancers, including some chemoresistant AML subsets, have upregulated oxidative phosphorylation. In this study, we aimed to assess treatment-resistant AML patients' cell modulation using oxidative phosphorylation inhibitors metformin and atovaquone alone and in various combinations with cytosine analog cytarabine and apoptosis inducer venetoclax. Metabolic activity analysis using Agilent Seahorse XF Extracellular Flux Analyzer revealed that peripheral blood mononuclear cells' metabolic state was different among treatment-resistant AML patients. We demonstrated that metformin decreased therapy-resistant-AML cell oxidative phosphorylation ex vivo, cotreatment with cytarabine and venetoclax slightly increased the effect. However, treatment with atovaquone did not have a marked effect in our experiment. Cell treatment had a slight effect on cell proliferation inhibition; combination of metformin, cytarabine, and venetoclax had the strongest effect. Moreover, a slightly higher effect on cell proliferation and cell cycle regulation was demonstrated in the cells with higher initial oxidative phosphorylation rate as demonstrated by gene expression analysis using reverse transcription quantitative polymerase chain reaction (RT-qPCR). Proteomic analysis by liquid chromatography-mass spectrometry demonstrated that chemoresistant AML cell treatment with metformin modulated metabolic pathways, while metformin combination with cytarabine and venetoclax boosted the effect. We suggest that oxidative phosphorylation inhibition is effective but not sufficient for chemoresistant AML treatment. Indeed, it causes anticancerous changes that might have an important additive role in combinatory treatment.
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Affiliation(s)
- Aida Vitkevičienė
- Department of Molecular Cell Biology, Institute of Biochemistry, Life Sciences Center, Vilnius University, Vilnius, Lithuania
| | - Vytautas Janulis
- Department of Molecular Cell Biology, Institute of Biochemistry, Life Sciences Center, Vilnius University, Vilnius, Lithuania
| | - Andrius Žučenka
- Centre of Hematology, Oncology and Transfusion Medicine, Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania
| | - Veronika Borutinskaitė
- Department of Molecular Cell Biology, Institute of Biochemistry, Life Sciences Center, Vilnius University, Vilnius, Lithuania
| | - Algirdas Kaupinis
- Proteomics Centre, Institute of Biochemistry, Life Sciences Center, Vilnius University, Vilnius, Lithuania
| | - Mindaugas Valius
- Proteomics Centre, Institute of Biochemistry, Life Sciences Center, Vilnius University, Vilnius, Lithuania
| | - Laimonas Griškevičius
- Centre of Hematology, Oncology and Transfusion Medicine, Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania
| | - Rūta Navakauskienė
- Department of Molecular Cell Biology, Institute of Biochemistry, Life Sciences Center, Vilnius University, Vilnius, Lithuania
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10
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Soond SM, Kozhevnikova MV, Townsend PA, Zamyatnin AA. Cysteine Cathepsin Protease Inhibition: An update on its Diagnostic, Prognostic and Therapeutic Potential in Cancer. Pharmaceuticals (Basel) 2019; 12:ph12020087. [PMID: 31212661 PMCID: PMC6630828 DOI: 10.3390/ph12020087] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Revised: 06/06/2019] [Accepted: 06/08/2019] [Indexed: 12/22/2022] Open
Abstract
In keeping with recent developments in basic research; the importance of the Cathepsins as targets in cancer therapy have taken on increasing importance and given rise to a number of key areas of interest in the clinical setting. In keeping with driving basic research in this area in a translational direction; recent findings have given rise to a number of exciting developments in the areas of cancer diagnosis; prognosis and therapeutic development. As a fast-moving area of research; the focus of this review brings together the latest findings and highlights the translational significance of these developments.
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Affiliation(s)
- Surinder M Soond
- Institute of Molecular Medicine, Sechenov First Moscow State Medical University, Trubetskaya str. 8-2, 119991 Moscow, Russia.
| | - Maria V Kozhevnikova
- Federal State Autonomous Edu-cational Institution of Higher Education I.M. Sechenov First Moscow State Medical University of the Ministry of Healthcare of the Russian Federation (Sechenovskiy University), Hospital Therapy Department No. 1, 6-1 Bolshaya Pirogovskaya str, 119991 Moscow, Russia.
| | - Paul A Townsend
- Division of Cancer Sciences and Manchester Cancer Research Centre, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, and the NIHR Manchester Biomedical Research Centre, Manchester M20 4GJ, UK.
| | - Andrey A Zamyatnin
- Institute of Molecular Medicine, Sechenov First Moscow State Medical University, Trubetskaya str. 8-2, 119991 Moscow, Russia.
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, 119992 Moscow, Russia.
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11
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Ashraf Y, Mansouri H, Laurent-Matha V, Alcaraz LB, Roger P, Guiu S, Derocq D, Robin G, Michaud HA, Delpech H, Jarlier M, Pugnière M, Robert B, Puel A, Martin L, Landomiel F, Bourquard T, Achour O, Fruitier-Arnaudin I, Pichard A, Deshayes E, Turtoi A, Poupon A, Simony-Lafontaine J, Boissière-Michot F, Pirot N, Bernex F, Jacot W, du Manoir S, Theillet C, Pouget JP, Navarro-Teulon I, Bonnefoy N, Pèlegrin A, Chardès T, Martineau P, Liaudet-Coopman E. Immunotherapy of triple-negative breast cancer with cathepsin D-targeting antibodies. J Immunother Cancer 2019; 7:29. [PMID: 30717773 PMCID: PMC6360707 DOI: 10.1186/s40425-019-0498-z] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Accepted: 01/01/2019] [Indexed: 01/19/2023] Open
Abstract
BACKGROUND Triple-negative breast cancer (TNBC) treatment is currently restricted to chemotherapy. Hence, tumor-specific molecular targets and/or alternative therapeutic strategies for TNBC are urgently needed. Immunotherapy is emerging as an exciting treatment option for TNBC patients. The aspartic protease cathepsin D (cath-D), a marker of poor prognosis in breast cancer (BC), is overproduced and hypersecreted by human BC cells. This study explores whether cath-D is a tumor cell-associated extracellular biomarker and a potent target for antibody-based therapy in TNBC. METHODS Cath-D prognostic value and localization was evaluated by transcriptomics, proteomics and immunohistochemistry in TNBC. First-in-class anti-cath-D human scFv fragments binding to both human and mouse cath-D were generated using phage display and cloned in the human IgG1 λ format (F1 and E2). Anti-cath-D antibody biodistribution, antitumor efficacy and in vivo underlying mechanisms were investigated in TNBC MDA-MB-231 tumor xenografts in nude mice. Antitumor effect was further assessed in TNBC patient-derived xenografts (PDXs). RESULTS High CTSD mRNA levels correlated with shorter recurrence-free survival in TNBC, and extracellular cath-D was detected in the tumor microenvironment, but not in matched normal breast stroma. Anti-cath-D F1 and E2 antibodies accumulated in TNBC MDA-MB-231 tumor xenografts, inhibited tumor growth and improved mice survival without apparent toxicity. The Fc function of F1, the best antibody candidate, was essential for maximal tumor inhibition in the MDA-MB-231 model. Mechanistically, F1 antitumor response was triggered through natural killer cell activation via IL-15 upregulation, associated with granzyme B and perforin production, and the release of antitumor IFNγ cytokine. The F1 antibody also prevented the tumor recruitment of immunosuppressive tumor-associated macrophages M2 and myeloid-derived suppressor cells, a specific effect associated with a less immunosuppressive tumor microenvironment highlighted by TGFβ decrease. Finally, the antibody F1 inhibited tumor growth of two TNBC PDXs, isolated from patients resistant or not to neo-adjuvant chemotherapy. CONCLUSION Cath-D is a tumor-specific extracellular target in TNBC suitable for antibody-based therapy. Immunomodulatory antibody-based strategy against cath-D is a promising immunotherapy to treat patients with TNBC.
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Affiliation(s)
- Yahya Ashraf
- IRCM, INSERM, U1194 Univ Montpellier, ICM, 208, rue des Apothicaires, F-34298, Montpellier, Cedex 5, France
| | - Hanane Mansouri
- IRCM, INSERM, U1194 Univ Montpellier, ICM, 208, rue des Apothicaires, F-34298, Montpellier, Cedex 5, France
| | - Valérie Laurent-Matha
- IRCM, INSERM, U1194 Univ Montpellier, ICM, 208, rue des Apothicaires, F-34298, Montpellier, Cedex 5, France
| | - Lindsay B Alcaraz
- IRCM, INSERM, U1194 Univ Montpellier, ICM, 208, rue des Apothicaires, F-34298, Montpellier, Cedex 5, France
| | - Pascal Roger
- IRCM, INSERM, U1194 Univ Montpellier, ICM, 208, rue des Apothicaires, F-34298, Montpellier, Cedex 5, France
- Department of Pathology, CHU Nîmes, Nîmes, France
| | - Séverine Guiu
- IRCM, INSERM, U1194 Univ Montpellier, ICM, 208, rue des Apothicaires, F-34298, Montpellier, Cedex 5, France
- Department of Medical Oncology, ICM, Montpellier, France
| | - Danielle Derocq
- IRCM, INSERM, U1194 Univ Montpellier, ICM, 208, rue des Apothicaires, F-34298, Montpellier, Cedex 5, France
| | - Gautier Robin
- IRCM, INSERM, U1194 Univ Montpellier, ICM, 208, rue des Apothicaires, F-34298, Montpellier, Cedex 5, France
| | - Henri-Alexandre Michaud
- IRCM, INSERM, U1194 Univ Montpellier, ICM, 208, rue des Apothicaires, F-34298, Montpellier, Cedex 5, France
| | - Helène Delpech
- IRCM, INSERM, U1194 Univ Montpellier, ICM, 208, rue des Apothicaires, F-34298, Montpellier, Cedex 5, France
| | | | - Martine Pugnière
- IRCM, INSERM, U1194 Univ Montpellier, ICM, 208, rue des Apothicaires, F-34298, Montpellier, Cedex 5, France
| | - Bruno Robert
- IRCM, INSERM, U1194 Univ Montpellier, ICM, 208, rue des Apothicaires, F-34298, Montpellier, Cedex 5, France
| | - Anthony Puel
- IRCM, INSERM, U1194 Univ Montpellier, ICM, 208, rue des Apothicaires, F-34298, Montpellier, Cedex 5, France
| | - Lucie Martin
- IRCM, INSERM, U1194 Univ Montpellier, ICM, 208, rue des Apothicaires, F-34298, Montpellier, Cedex 5, France
| | | | | | | | | | - Alexandre Pichard
- IRCM, INSERM, U1194 Univ Montpellier, ICM, 208, rue des Apothicaires, F-34298, Montpellier, Cedex 5, France
| | - Emmanuel Deshayes
- IRCM, INSERM, U1194 Univ Montpellier, ICM, 208, rue des Apothicaires, F-34298, Montpellier, Cedex 5, France
| | - Andrei Turtoi
- IRCM, INSERM, U1194 Univ Montpellier, ICM, 208, rue des Apothicaires, F-34298, Montpellier, Cedex 5, France
| | | | | | | | - Nelly Pirot
- Réseau d'Histologie Expérimentale de Montpellier, BioCampus, UMS3426 CNRS-US009 INSERM-UM, Montpellier, France
| | - Florence Bernex
- Réseau d'Histologie Expérimentale de Montpellier, BioCampus, UMS3426 CNRS-US009 INSERM-UM, Montpellier, France
| | - William Jacot
- IRCM, INSERM, U1194 Univ Montpellier, ICM, 208, rue des Apothicaires, F-34298, Montpellier, Cedex 5, France
- Department of Medical Oncology, ICM, Montpellier, France
- Translational Research Unit, ICM, Montpellier, France
| | - Stanislas du Manoir
- IRCM, INSERM, U1194 Univ Montpellier, ICM, 208, rue des Apothicaires, F-34298, Montpellier, Cedex 5, France
| | - Charles Theillet
- IRCM, INSERM, U1194 Univ Montpellier, ICM, 208, rue des Apothicaires, F-34298, Montpellier, Cedex 5, France
| | - Jean-Pierre Pouget
- IRCM, INSERM, U1194 Univ Montpellier, ICM, 208, rue des Apothicaires, F-34298, Montpellier, Cedex 5, France
| | - Isabelle Navarro-Teulon
- IRCM, INSERM, U1194 Univ Montpellier, ICM, 208, rue des Apothicaires, F-34298, Montpellier, Cedex 5, France
| | - Nathalie Bonnefoy
- IRCM, INSERM, U1194 Univ Montpellier, ICM, 208, rue des Apothicaires, F-34298, Montpellier, Cedex 5, France
| | - André Pèlegrin
- IRCM, INSERM, U1194 Univ Montpellier, ICM, 208, rue des Apothicaires, F-34298, Montpellier, Cedex 5, France
| | - Thierry Chardès
- IRCM, INSERM, U1194 Univ Montpellier, ICM, 208, rue des Apothicaires, F-34298, Montpellier, Cedex 5, France
| | - Pierre Martineau
- IRCM, INSERM, U1194 Univ Montpellier, ICM, 208, rue des Apothicaires, F-34298, Montpellier, Cedex 5, France
| | - Emmanuelle Liaudet-Coopman
- IRCM, INSERM, U1194 Univ Montpellier, ICM, 208, rue des Apothicaires, F-34298, Montpellier, Cedex 5, France.
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12
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Salaroglio IC, Gazzano E, Abdullrahman A, Mungo E, Castella B, Abd-Elrahman GEFAE, Massaia M, Donadelli M, Rubinstein M, Riganti C, Kopecka J. Increasing intratumor C/EBP-β LIP and nitric oxide levels overcome resistance to doxorubicin in triple negative breast cancer. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2018; 37:286. [PMID: 30482226 PMCID: PMC6258159 DOI: 10.1186/s13046-018-0967-0] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Accepted: 11/16/2018] [Indexed: 12/20/2022]
Abstract
BACKGROUND Triple negative breast cancer (TNBC) easily develops resistance to the first-line drug doxorubicin, because of the high levels of the drug efflux transporter P-glycoprotein (Pgp) and the activation of pro-survival pathways dependent on endoplasmic reticulum (ER). Interfering with these mechanisms may overcome the resistance to doxorubicin, a still unmet need in TNBC. METHODS We analyzed a panel of human and murine breast cancer cells for their resistance to doxorubicin, Pgp expression, lysosome and proteasome activity, nitrite production, ER-dependent cell death and immunogenic cell death parameters. We evaluated the efficacy of genetic (C/EBP-β LIP induction) and pharmacological strategies (lysosome and proteasome inhibitors), in restoring the ER-dependent and immunogenic-dependent cell death induced by doxorubicin, in vitro and in syngeneic mice bearing chemoresistant TNBC. The results were analyzed by one-way analysis of variance test. RESULTS We found that TNBC cells characterized by high levels of Pgp and resistance to doxorubicin, had low induction of the ER-dependent pro-apoptotic factor C/EBP-β LIP upon doxorubicin treatment and high activities of lysosome and proteasome that constitutively destroyed LIP. The combination of chloroquine and bortezomib restored doxorubicin sensitivity by activating multiple and interconnected mechanisms. First, chloroquine and bortezomib prevented C/EBP-β LIP degradation and activated LIP-dependent CHOP/TRB3/caspase 3 axis in response to doxorubicin. Second, C/EBP-β LIP down-regulated Pgp and up-regulated calreticulin that triggered the dendritic cell (DC)-mediated phagocytosis of tumor cell, followed by the activation of anti-tumor CD8+T-lymphocytes upon doxorubicin treatment. Third, chloroquine and bortezomib increased the endogenous production of nitric oxide that further induced C/EBP-β LIP and inhibited Pgp activity, enhancing doxorubicin's cytotoxicity. In orthotopic models of resistant TNBC, intratumor C/EBP-β LIP induction - achieved by a specific expression vector or by chloroquine and bortezomib - effectively reduced tumor growth and Pgp expression, increased intra-tumor apoptosis and anti-tumor immune-infiltrate, rescuing the efficacy of doxorubicin. CONCLUSIONS We suggest that preventing C/EBP-β LIP degradation by lysosome and proteasome inhibitors triggers multiple virtuous circuitries that restore ER-dependent apoptosis, down-regulate Pgp and re-activate the DC/CD8+T-lymphocytes response against TNBC. Lysosome and proteasome inhibitors associated with doxorubicin may overcome the resistance to the drug in TNBC.
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Affiliation(s)
- Iris C Salaroglio
- Department of Oncology, University of Torino, via Santena 5/bis, 10126, Turin, Italy
| | - Elena Gazzano
- Department of Oncology, University of Torino, via Santena 5/bis, 10126, Turin, Italy
| | - Ahmad Abdullrahman
- Department of Oncology, University of Torino, via Santena 5/bis, 10126, Turin, Italy
| | - Eleonora Mungo
- Department of Oncology, University of Torino, via Santena 5/bis, 10126, Turin, Italy
| | - Barbara Castella
- Laboratory of Blood Tumor Immunology, Department of Molecular Biotechnology and Health Sciences, University of Torino, Turin, Italy
| | - Gamal Eldein Fathy Abd-Ellatef Abd-Elrahman
- Department of Oncology, University of Torino, via Santena 5/bis, 10126, Turin, Italy.,Pharmaceutical and Drug Industries Research Division, Therapeutic Chemistry Department, National Research Centre, Cairo, Egypt
| | - Massimo Massaia
- Laboratory of Blood Tumor Immunology, Department of Molecular Biotechnology and Health Sciences, University of Torino, Turin, Italy.,Hematology Division, AO S Croce e Carle, Cuneo, Italy
| | - Massimo Donadelli
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Menachem Rubinstein
- Department of Molecular Genetics, The Weizmann Institute of Science, Rehovot, Israel
| | - Chiara Riganti
- Department of Oncology, University of Torino, via Santena 5/bis, 10126, Turin, Italy.
| | - Joanna Kopecka
- Department of Oncology, University of Torino, via Santena 5/bis, 10126, Turin, Italy.
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13
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Zhang M, Wu JS, Yang X, Pang X, Li L, Wang SS, Wu JB, Tang YJ, Liang XH, Zheng M, Tang YL. Overexpression Cathepsin D Contributes to Perineural Invasion of Salivary Adenoid Cystic Carcinoma. Front Oncol 2018; 8:492. [PMID: 30430081 PMCID: PMC6220369 DOI: 10.3389/fonc.2018.00492] [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: 06/12/2018] [Accepted: 10/11/2018] [Indexed: 02/05/2023] Open
Abstract
Objective: Cathepsin D (CTSD) is a pivotal orchestrator in the occurrence and development of tumors. Recently, CTSD was detected in salivary adenoid cystic carcinoma (SACC). However, its functional role in perineural invasion (PNI) of SACC remained elusive. We conducted the present study to detect the expression of CTSD in SACC, analyze the correlation between CTSD expression and prognosis of SACC patients and elucidate the role of CTSD in occurrence of PNI in SACC to lay the foundation for further studies. Methods: Immunohistochemical analysis was conducted to assess CTSD and Ki67 expression in 158 SACC samples and 20 normal salivary gland samples adjacent to carcinoma. Meanwhile, the correlation between CTSD and PNI of SACC specimens was analyzed using Wilcoxon test. QRT-PCR, immunofluorescence and western blot analysis were used to examine the levels of CTSD mRNA and protein in SACC-LM cell line. SiRNA-mediated CTSD silence was performed. Scratch wound healing assay, transwell invasion assay and DRG co-culture assay of PNI was used to detect the ability of migration, invasion and PNI. FITC-phalloidin was used to detect cytoskeletal organization. Results: Our data demonstrated that the positive expression of CTSD was observed in 74.1% (117/158) of SACC cases, and the expression of CTSD was significantly correlated with the PNI (p < 0.05). The ability of migration, invasion, and PNI could be inhibited significantly by siRNA-mediated CTSD silence (p < 0.01). Furthermore, siRNA-mediated CTSD silence inhibited cytoskeletal organization and pseudo foot formation in SACC-LM cells. Conclusion: Our results suggested that an association between PNI and expression of CTSD existed. CTSD may promote PNI of SACC accompanied by cytoskeletal organization and pseudo foot formation.
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Affiliation(s)
- Mei Zhang
- State Key Laboratory of Oral Disease, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jia-Shun Wu
- State Key Laboratory of Oral Disease, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xiao Yang
- State Key Laboratory of Oral Disease, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xin Pang
- State Key Laboratory of Oral Disease, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Li Li
- Department of Stomatology, Zhoushan Hospital, Wenzhou Medical University, Zhoushan, China
| | - Sha-Sha Wang
- State Key Laboratory of Oral Disease, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jing-Biao Wu
- State Key Laboratory of Oral Disease, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Ya-Jie Tang
- Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei Provincial Cooperative Innovation Center of Industrial Fermentation, Hubei Key Laboratory of Industrial Microbiology, Hubei University of Technology, Wuhan, China
| | - Xin-Hua Liang
- State Key Laboratory of Oral Disease, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Min Zheng
- Department of Stomatology, Zhoushan Hospital, Wenzhou Medical University, Zhoushan, China
| | - Ya-Ling Tang
- State Key Laboratory of Oral Disease, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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14
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Garrido P, Shalaby A, Walsh EM, Keane N, Webber M, Keane MM, Sullivan FJ, Kerin MJ, Callagy G, Ryan AE, Glynn SA. Impact of inducible nitric oxide synthase (iNOS) expression on triple negative breast cancer outcome and activation of EGFR and ERK signaling pathways. Oncotarget 2017; 8:80568-80588. [PMID: 29113326 PMCID: PMC5655221 DOI: 10.18632/oncotarget.19631] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Accepted: 07/03/2017] [Indexed: 12/31/2022] Open
Abstract
Inflammation is implicated in triple negative breast cancer (TNBC) progression. TNBC carries a worse prognosis than other breast cancer subtypes, and with the clinical and molecular heterogeneity of TNBC, there is a lack of effective therapeutic targets available. Identification of molecular targets for TNBC subtypes is crucial towards personalized patient stratification. Inducible nitric oxide synthase (iNOS) has been shown to induce p53 mutation accumulation, basal-like gene signature enrichment and transactivation of the epidermal growth factor receptor (EGFR) via s-nitrosylation. Herein we report that iNOS is associated with disease recurrence, distant metastasis and decreased breast cancer specific survival in 209 cases of TNBC. Employing TNBC cell lines representing normal basal breast, and basal-like 1 and basal-like 2 tumors, we demonstrate that nitric oxide (NO) induces EGFR-dependent ERK phosphorylation in basal-like TNBC cell lines. Moreover NO mediated cell migration and cell invasion was found to be dependent on EGFR and ERK activation particularly in basal-like 2 TBNC cells. This occurred in conjunction with NF-κB activation and increased secretion of pro-inflammatory cytokines IL-8, IL-1β and TNF-α. This provides substantial evidence for EGFR as a therapeutic target to be taken into consideration in the treatment of a specific subset of basal-like TNBC overexpressing iNOS.
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Affiliation(s)
- Pablo Garrido
- Discipline of Pathology, Lambe Institute for Translational Research, School of Medicine, National University of Ireland Galway, Galway, Republic of Ireland.,Apoptosis Research Centre, National University of Ireland Galway, Galway, Republic of Ireland
| | - Aliaa Shalaby
- Discipline of Pathology, Lambe Institute for Translational Research, School of Medicine, National University of Ireland Galway, Galway, Republic of Ireland
| | - Elaine M Walsh
- Discipline of Pathology, Lambe Institute for Translational Research, School of Medicine, National University of Ireland Galway, Galway, Republic of Ireland
| | - Nessa Keane
- Discipline of Pathology, Lambe Institute for Translational Research, School of Medicine, National University of Ireland Galway, Galway, Republic of Ireland
| | - Mark Webber
- Discipline of Pathology, Lambe Institute for Translational Research, School of Medicine, National University of Ireland Galway, Galway, Republic of Ireland
| | - Maccon M Keane
- Medical Oncology, Galway University Hospital, Galway, Republic of Ireland
| | - Francis J Sullivan
- Prostate Cancer Institute, National University of Ireland Galway, Galway, Republic of Ireland
| | - Michael J Kerin
- Discipline of Surgery, Lambe Institute for Translational Research, School of Medicine, National University of Ireland Galway, Galway, Republic of Ireland
| | - Grace Callagy
- Discipline of Pathology, Lambe Institute for Translational Research, School of Medicine, National University of Ireland Galway, Galway, Republic of Ireland
| | - Aideen E Ryan
- Discipline of Pharmacology and Therapeutics, Lambe Institute for Translational Research, School of Medicine, National University of Ireland Galway, Galway, Republic of Ireland.,Regenerative Medicine Institute (REMEDI), Biomedical Sciences, National University of Ireland Galway, Galway, Republic of Ireland
| | - Sharon A Glynn
- Discipline of Pathology, Lambe Institute for Translational Research, School of Medicine, National University of Ireland Galway, Galway, Republic of Ireland.,Prostate Cancer Institute, National University of Ireland Galway, Galway, Republic of Ireland.,Apoptosis Research Centre, National University of Ireland Galway, Galway, Republic of Ireland
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