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Jiang Y, Gao Y, Li X, He F, Liu Y, Wang R. Caulis Spatholobi extracts inhibit osteosarcoma growth and metastasis through suppression of CXCR4/PI3K/AKT signaling. J Orthop Surg Res 2023; 18:985. [PMID: 38129870 PMCID: PMC10740265 DOI: 10.1186/s13018-023-04437-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Accepted: 12/01/2023] [Indexed: 12/23/2023] Open
Abstract
BACKGROUND The therapeutic potential of Caulis Spatholobi (CS) extracts against various cancers has been well documented, yet its impact and mechanism in osteosarcoma (OS) remain unexplored. This study aims to elucidate the effects of CS extracts on the growth and metastasis of OS, along with its underlying molecular mechanism. METHODS The impact of CS extracts on the proliferative potential of two OS cell lines (Saos-2 and U2OS) was assessed using MTT and colony-formation assays. Additionally, the migratory and invasive capacities of OS cells were investigated through Transwell assays. The modulation of CXCR4 expression by CS extracts was evaluated using qRT-PCR and Western blotting. Furthermore, the influence of CS extracts on the activation of PI3K/Akt signaling was determined through Western blotting. RESULTS CS extracts exhibited a dose- and time-dependent inhibition of proliferation and colony formation in OS cells. Notably, CXCR4 expression was prominently observed in Saos-2 and U2OS, and treatment with CS extracts led to a dose-dependently reduction in CXCR4 levels. Silencing CXCR4 or inhibiting its function diminished the migratory and invasive capacities of OS cells. Conversely, the CS extracts induced suppression of OS cell migration and invasion was counteracted by CXCR4 overexpression. Mechanistically, CS extracts repressed PI3K/AKT signaling in OS cells by downregulating CXCR4 expression. CONCLUSIONS CS extracts mitigate the CXCR4/PI3K/AKT signaling-mediated growth and metastasis capacities of OS cells, thus might play an anti-tumor role in OS.
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Affiliation(s)
- Yang Jiang
- Traditional Medicine Department, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China
| | - Yemei Gao
- Traditional Medicine Department, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China
| | - Xin Li
- Traditional Medicine Department, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China
| | - Fangming He
- Traditional Medicine Department, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China
| | - Yang Liu
- Traditional Medicine Department, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China
| | - Renxian Wang
- Laboratory of Bone Tissue Engineering, Beijing Laboratory of Biomedical Materials, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, 31 Xinjiekou East Street, Xicheng District, Beijing, 100035, China.
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Abela GS, Katkoori VR, Pathak DR, Bumpers HL, Leja M, Abideen ZU, Boumegouas M, Perry D, Al-Janadi A, Richard JE, Barnaba C, Meza IGM. Cholesterol crystals induce mechanical trauma, inflammation, and neo-vascularization in solid cancers as in atherosclerosis. AMERICAN HEART JOURNAL PLUS : CARDIOLOGY RESEARCH AND PRACTICE 2023; 35:100317. [PMID: 37981958 PMCID: PMC10655498 DOI: 10.1016/j.ahjo.2023.100317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/21/2023]
Abstract
Background and aims Cancer and atherosclerosis share common risk factors and inflammatory pathways that promote their proliferation via vascular endothelial growth factor (VEGF). Because CCs cause mechanical injury and inflammation in atherosclerosis, we investigated their presence in solid cancers and their activation of IL-1β, VEGF, CD44, and Ubiquityl-Histone H2B (Ub-H2B), that promote cancer growth. Methods Tumor specimens from eleven different types of human cancers and atherosclerotic plaques were assessed for CCs, free cholesterol content and IL1-β by microscopy, immunohistochemistry, and biochemical analysis. Breast and colon cancer cell lines were cultured with and without CCs to select for expression of VEGF, CD44, and Ub-H2B. Western blot and immunofluorescence were performed on cells to assess the effect of CCs on signaling pathways. Results Cancers displayed higher CC content (+2.29 ± 0.74 vs +1.46 ± 0.84, p < 0.0001), distribution (5.06 ± 3.13 vs 2.86 ± 2.18, p < 0.001) and free cholesterol (3.63 ± 4.02 vs 1.52 ± 0.56 μg/mg, p < 0.01) than cancer free marginal tissues and similarly for atherosclerotic plaques and margins (+2.31 ± 0.51 vs +1.44 ± 0.79, p < 0.02; 14.0 ± 5.74 vs 8.14 ± 5.52, p < 0.03; 0.19 ± 0.14 vs 0.09 ± 0.04 μg/mg, p < 0.02) respectively. Cancers displayed significantly increased expression of IL1-β compared to marginal tissues. CCs treated cancer cells had increased expression of VEGF, CD44, and Ub-H2B compared to control. By microscopy, CCs were found perforating cancer tumors similar to plaque rupture. Conclusions These findings suggest that CCs can induce trauma and activate cytokines that enhance cancer growth as in atherosclerosis.
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Affiliation(s)
- George S. Abela
- Department of Medicine, Division of Cardiology, Michigan State University, East Lansing, MI, USA
- Department of Physiology, Division of Pathology, Michigan State University, East Lansing, MI, USA
| | - Venkat R. Katkoori
- Department of Physiology, Division of Pathology, Michigan State University, East Lansing, MI, USA
| | - Dorothy R. Pathak
- Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, MI, USA
| | - Harvey L. Bumpers
- Department of Surgery, Michigan State University, East Lansing, MI, USA
| | - Monika Leja
- Department of Medicine, Division of Cardiovascular Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Zain ul Abideen
- Department of Medicine, Division of Cardiology, Michigan State University, East Lansing, MI, USA
| | - Manel Boumegouas
- Department of Medicine, Division of Cardiology, Michigan State University, East Lansing, MI, USA
| | - Daniel Perry
- Department of Medicine, Division of Cardiovascular Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Anas Al-Janadi
- Department of Cancer Care Services, Corewell Health, Grand Rapids, MI, USA
| | | | - Carlo Barnaba
- Institute for Quantitative Health Science and Engineering, Michigan State University, East Lansing, MI, USA
| | - Ilce G. Medina Meza
- Biosystems and Agricultural Engineering, Michigan State University, East Lansing, MI, USA
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Hjazi A, Nasir F, Noor R, Alsalamy A, Zabibah RS, Romero-Parra RM, Ullah MI, Mustafa YF, Qasim MT, Akram SV. The pathological role of C-X-C chemokine receptor type 4 (CXCR4) in colorectal cancer (CRC) progression; special focus on molecular mechanisms and possible therapeutics. Pathol Res Pract 2023; 248:154616. [PMID: 37379710 DOI: 10.1016/j.prp.2023.154616] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 06/07/2023] [Accepted: 06/10/2023] [Indexed: 06/30/2023]
Abstract
Colorectal cancer (CRC) is comprised of transformed cells and non-malignant cells including cancer-associated fibroblasts (CAF), endothelial vasculature cells, and tumor-infiltrating cells. These nonmalignant cells, as well as soluble factors (e.g., cytokines), and the extracellular matrix (ECM), form the tumor microenvironment (TME). In general, the cancer cells and their surrounding TME can crosstalk by direct cell-to-cell contact and via soluble factors, such as cytokines (e.g., chemokines). TME not only promotes cancer progression through growth-promoting cytokines but also provides resistance to chemotherapy. Understanding the mechanisms of tumor growth and progression and the roles of chemokines in CRC will likely suggest new therapeutic targets. In this line, a plethora of reports has evidenced the critical role of chemokine receptor type 4 (CXCR4)/C-X-C motif chemokine ligand 12 (CXCL12 or SDF-1) axis in CRC pathogenesis. In the current review, we take a glimpse into the role of the CXCR4/CXCL12 axis in CRC growth, metastasis, angiogenesis, drug resistance, and immune escape. Also, a summary of recent reports concerning targeting CXCR4/CXCL12 axis for CRC management and therapy has been delivered.
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Affiliation(s)
- Ahmed Hjazi
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | | | - Rabia Noor
- Amna Inayat Medical College, Lahore, Pakistan
| | - Ali Alsalamy
- College of Medical Technique, Imam Ja'afar Al-Sadiq University, Al-Muthanna 66002, Iraq
| | - Rahman S Zabibah
- Medical Laboratory Technology Department, College of Medical Technology, The Islamic University, Najaf, Iraq
| | | | - Muhammad Ikram Ullah
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka 75471, Aljouf, Saudi Arabia
| | - Yasser Fakri Mustafa
- Department of Pharmaceutical Chemistry, College of Pharmacy, University of Mosul, Mosul 41001, Iraq
| | - Maytham T Qasim
- Department of Anesthesia, College of Health and Medical Technololgy, Al-Ayen University, Thi-Qar, Iraq
| | - Shaik Vaseem Akram
- Uttaranchal Institute of Technology, Division of Research & Innovation, Uttaranchal University, Dehradun 248007, India
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4
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Bedeer AE, El-Ghaffar Heabah NA. Evaluation of C-X-C chemokine receptor type 4 (CXCR4) and Peroxisome proliferator-activated receptor gamma (PPAR-γ) expression in colorectal carcinoma: Relation to the available clinicopathological parameters. INDIAN J PATHOL MICR 2023; 66:465-471. [PMID: 37530325 DOI: 10.4103/ijpm.ijpm_481_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/03/2023] Open
Abstract
Background Colorectal carcinoma (CRC) is the most common malignancy of the gastrointestinal tract, representing an incredible health problem. It is essential to develop drugs against novel targets--involved in CRC tumorigenesis and progression--to improve the management of the disease. The aim of this study was to evaluate C-X-C chemokine receptor type 4 (CXCR4) and Peroxisome proliferator-activated receptor gamma (PPAR-γ) expression in CRC, and to associate their expression with the available clinicopathological parameters. Materials and Methods This study included 50 cases of primary CRC. All cases were stained by CXCR4 and PPAR-γ antibodies to assess their immunohistochemical expression. The relations between their expression and clinicopathological variables were assessed. Results CXCR4 expression was detected in 76% of studied cases. High CXCR4 expression showed significant associations with the depth of tumor invasion (P = 0.024), lymph node metastasis (P = 0.009), advanced tumor stage (P = 0.001) and the presence of vascular invasion (P = 0.035). PPAR-γ expression was detected in 78% of studied cases. PPAR-γ expression showed a statistically significant inverse relation with histologic types (P = 0.001), tumor grade (P = 0.005), depth of tumor invasion (P = 0.001), lymph node status (P = 0.001), TNM stage (P = 0.002), and vascular invasion (P = 0.001). Conclusions High CXCR4 and decreased PPAR-γ expressions are related to high tumor grade, advanced stage, and vascular invasion in colorectal carcinoma.
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Affiliation(s)
- Asmaa E Bedeer
- Department of Pathology, Faculty of Medicine, Tanta University, Egypt
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Yu Q, Wang J, Li T, Xu X, Guo X, Ding S, Zhu L, Zou G, Chen Y, Zhang X. RON Mediates Tumor-Promoting Effects in Endometrial Adenocarcinoma. BIOMED RESEARCH INTERNATIONAL 2021; 2021:2282916. [PMID: 34712728 PMCID: PMC8548096 DOI: 10.1155/2021/2282916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 09/21/2021] [Indexed: 11/18/2022]
Abstract
Endometrial adenocarcinoma is one of the most prevalent female reproductive tract cancers in the world, and the development of effective treatment is still the main goal of its current research. Epithelial-mesenchymal transition (EMT) plays a significant part in the occurrence and development of epithelial carcinoma, including endometrial adenocarcinoma. Recepteur d'origine nantais (RON) induces EMT and promotes proliferation, migration, and invasion in various epithelial-derived cancers, but its role in endometrial adenocarcinoma is still poorly studied. The purpose of this study is to verify the overexpression of RON in endometrial adenocarcinoma and to explore its specific roles. RON expression in tumor lesions was verified by immunohistochemical staining, HEC-1B cells were used to construct stable cell lines with RON overexpression or knockdown to investigate the effects of RON on the function of endometrial adenocarcinoma cells, and xenotransplantation experiment was carried out in nude mice to explore the effect of RON on the growth of endometrial adenocarcinoma in vivo. This study revealed that RON could promote the proliferation, migration, and invasion of HEC-1B cells and induce EMT, and these effects were regulated through the Smad pathway. RON overexpression could promote growth of endometrial adenocarcinoma cells in nude mice, while its inhibitor BMS777607 could restrict this role. RON played an important role in endometrial adenocarcinoma and had a potential to become a new therapeutic target for endometrial adenocarcinoma.
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Affiliation(s)
- Qin Yu
- Department of Obstetrics and Gynecology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, 310006 Zhejiang, China
| | - Jianzhang Wang
- Department of Obstetrics and Gynecology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, 310006 Zhejiang, China
| | - Tiantian Li
- Department of Obstetrics and Gynecology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, 310006 Zhejiang, China
| | - Xinxin Xu
- Department of Obstetrics and Gynecology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, 310006 Zhejiang, China
| | - Xinyue Guo
- Department of Obstetrics and Gynecology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, 310006 Zhejiang, China
| | - Shaojie Ding
- Department of Obstetrics and Gynecology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, 310006 Zhejiang, China
| | - Libo Zhu
- Department of Obstetrics and Gynecology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, 310006 Zhejiang, China
| | - Gen Zou
- Department of Obstetrics and Gynecology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, 310006 Zhejiang, China
| | - Yichen Chen
- Department of Obstetrics and Gynecology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, 310006 Zhejiang, China
- Ningbo Institution of Medical Science, Ningbo, 315000 Zhejiang, China
| | - Xinmei Zhang
- Department of Obstetrics and Gynecology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, 310006 Zhejiang, China
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New CXCR4 Antagonist Peptide R (Pep R) Improves Standard Therapy in Colorectal Cancer. Cancers (Basel) 2020; 12:cancers12071952. [PMID: 32708431 PMCID: PMC7409147 DOI: 10.3390/cancers12071952] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 07/14/2020] [Accepted: 07/16/2020] [Indexed: 12/18/2022] Open
Abstract
The chemokine receptor CXCR4 is overexpressed and functional in colorectal cancer. To investigate the role of CXCR4 antagonism in potentiating colon cancer standard therapy, the new peptide CXCR4 antagonist Peptide R (Pep R) was employed. Human colon cancer HCT116 xenograft-bearing mice were treated with chemotherapeutic agents (CT) 5-Fluorouracil (5FU) and oxaliplatin (OX) or 5FU and radio chemotherapy (RT-CT) in the presence of Pep R. After two weeks, CT plus Pep R reduced by 4-fold the relative tumor volume (RTV) as compared to 2- and 1.6-fold reductions induced, respectively, by CT and Pep R. In vitro Pep R addition to CT/RT-CT impaired HCT116 cell growth and further reduced HCT116 and HT29 clonal capability. Thus, the hypothesis that Pep R could target the epithelial mesenchyme transition (EMT) process was evaluated. While CT decreased ECAD and increased ZEB-1 and CD90 expression, the addition of Pep R restored the pretreatment expression. In HCT116 and HT29 cells, CT/RT-CT induced a population of CD133+CXCR4+ cells, supposedly a stem-resistant cancer cell population, while Pep R reduced it. Taken together, the results showed that targeting CXCR4 ameliorates the effect of treatment in colon cancer through inhibition of cell growth and reversal of EMT treatment-induced markers, supporting further clinical studies.
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Dual CXCR4 and E-Selectin Inhibitor, GMI-1359, Shows Anti-Bone Metastatic Effects and Synergizes with Docetaxel in Prostate Cancer Cell Intraosseous Growth. Cells 2019; 9:cells9010032. [PMID: 31877673 PMCID: PMC7017374 DOI: 10.3390/cells9010032] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 12/16/2019] [Accepted: 12/17/2019] [Indexed: 02/06/2023] Open
Abstract
Metastatic castration resistant prostate cancer (mCRPC) relapses due to acquired resistance to docetaxel-based chemotherapy and remains a major threat to patient survival. In this report, we tested the effectiveness of a dual CXCR4/E-selectin antagonist, GM-I1359, in vitro and in vivo, as a single agent or in combination with docetaxel (DTX). This agent was compared to the single CXCR4 antagonist, CTCE-9908, and E-selectin antagonist, GMI-1271. Here we demonstrate that CXCR4 antagonism reduced growth and enhanced DTX treatment in PCa cell lines as well as restored DTX effectiveness in DTX-resistant cell models. The efficacy of dual antagonist was higher respect to those observed for single CXCR4 antagonism. GM1359 impacted bone marrow colonization and growth in intraventricular and intratibial cell injection models. The anti-proliferative effects of GMI-1359 and DTX correlated with decreased size, osteolysis and serum levels of both mTRAP and type I collagen fragment (CTX) in intra-osseous tumours suggesting that the dual CXCR4/E-selectin antagonist was a docetaxel-sensitizing agent for bone metastatic growth. Single agent CXCR4 (CTCE-9908) and E-selectin (GMI-1271) antagonists resulted in lower sensitizing effects compared to GMI-1359. These data provide a biologic rationale for the use of a dual E-selectin/CXCR4 inhibitor as an adjuvant to taxane-based chemotherapy in men with mCRPC to prevent and reduce bone metastases.
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Clinical Evaluation of Preoperative Radiotherapy Combined with FOLFOX Chemotherapy on Patients with Locally Advanced Colon Cancer. Am Surg 2019. [DOI: 10.1177/000313481908500418] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
This study explores the effect of preoperative radiotherapy combined with FOLFOX chemotherapy on patients with locally advanced colon cancer (LACC). Data of 102 patients with LACC were retrospectively analyzed. All received surgical resection plus postoperative FOLFOX chemotherapy; whereas 58 patients underwent preoperative radiotherapy combined with FOLFOX chemotherapy (CRT group, combined with radiotherapy treatment group), 44 patients did not undergo radiotherapy (non-CRT group). Short-and long-term effects as well as operative complications were compared. The optical density values of the caudal-related homeobox transcription factor 2 and inhibitor of growth 4 in lesions, and malignant molecules including vascular endothelial growth factor and cathepsin-D in serum were compared. The CRT group showed higher total pathological complete tumor response rate and resection rate, and lower incidence of incisional infection than the non-CRT group (all P < 0.05). The CRT group was significantly better in the three-year disease-free survival than the non-CRT group ( P < 0.05), but slightly better in the three-year overall survival and disease-free survival in the first, second, and third years ( P > 0.05). The optical density values of the caudal-related homeobox transcription factor 2 and inhibitor of growth 4 were higher than those in the non-CRT group (both P < 0.05). The levels of serum vascular endothelial growth factor and cathepsin-D in the CRT group were lower than those in the non-CRT group (both P < 0.05). Preoperative radiotherapy combined with FOLFOX chemotherapy can improve the resection rate and the pathological complete response rate in LACC surgery, and improve the survival time and the disease-free survival condition.
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GPCR Modulation in Breast Cancer. Int J Mol Sci 2018; 19:ijms19123840. [PMID: 30513833 PMCID: PMC6321247 DOI: 10.3390/ijms19123840] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2018] [Revised: 11/22/2018] [Accepted: 11/27/2018] [Indexed: 12/15/2022] Open
Abstract
Breast cancer is the most prevalent cancer found in women living in developed countries. Endocrine therapy is the mainstay of treatment for hormone-responsive breast tumors (about 70% of all breast cancers) and implies the use of selective estrogen receptor modulators and aromatase inhibitors. In contrast, triple-negative breast cancer (TNBC), a highly heterogeneous disease that may account for up to 24% of all newly diagnosed cases, is hormone-independent and characterized by a poor prognosis. As drug resistance is common in all breast cancer subtypes despite the different treatment modalities, novel therapies targeting signaling transduction pathways involved in the processes of breast carcinogenesis, tumor promotion and metastasis have been subject to accurate consideration. G protein-coupled receptors (GPCRs) are the largest family of cell-surface receptors involved in the development and progression of many tumors including breast cancer. Here we discuss data regarding GPCR-mediated signaling, pharmacological properties and biological outputs toward breast cancer tumorigenesis and metastasis. Furthermore, we address several drugs that have shown an unexpected opportunity to interfere with GPCR-based breast tumorigenic signals.
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Mendes M, Sousa JJ, Pais A, Vitorino C. Targeted Theranostic Nanoparticles for Brain Tumor Treatment. Pharmaceutics 2018; 10:E181. [PMID: 30304861 PMCID: PMC6321593 DOI: 10.3390/pharmaceutics10040181] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Revised: 09/21/2018] [Accepted: 09/27/2018] [Indexed: 12/13/2022] Open
Abstract
The poor prognosis and rapid recurrence of glioblastoma (GB) are associated to its fast-growing process and invasive nature, which make difficult the complete removal of the cancer infiltrated tissues. Additionally, GB heterogeneity within and between patients demands a patient-focused method of treatment. Thus, the implementation of nanotechnology is an attractive approach considering all anatomic issues of GB, since it will potentially improve brain drug distribution, due to the interaction between the blood⁻brain barrier and nanoparticles (NPs). In recent years, theranostic techniques have also been proposed and regarded as promising. NPs are advantageous for this application, due to their respective size, easy surface modification and versatility to integrate multiple functional components in one system. The design of nanoparticles focused on therapeutic and diagnostic applications has increased exponentially for the treatment of cancer. This dual approach helps to understand the location of the tumor tissue, the biodistribution of nanoparticles, the progress and efficacy of the treatment, and is highly useful for personalized medicine-based therapeutic interventions. To improve theranostic approaches, different active strategies can be used to modulate the surface of the nanotheranostic particle, including surface markers, proteins, drugs or genes, and take advantage of the characteristics of the microenvironment using stimuli responsive triggers. This review focuses on the different strategies to improve the GB treatment, describing some cell surface markers and their ligands, and reports some strategies, and their efficacy, used in the current research.
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Affiliation(s)
- Maria Mendes
- Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal.
- Center for Neurosciences and Cell Biology (CNC), University of Coimbra, 3004-504 Coimbra, Portugal.
| | - João José Sousa
- Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal.
- LAQV, REQUIMTE, Group of Pharmaceutical Technology, 3000-548 Coimbra, Portugal.
| | - Alberto Pais
- Coimbra Chemistry Centre, Department of Chemistry, University of Coimbra, 3004-535 Coimbra, Portugal.
| | - Carla Vitorino
- Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal.
- Center for Neurosciences and Cell Biology (CNC), University of Coimbra, 3004-504 Coimbra, Portugal.
- LAQV, REQUIMTE, Group of Pharmaceutical Technology, 3000-548 Coimbra, Portugal.
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Marques CS, Santos AR, Gameiro A, Correia J, Ferreira F. CXCR4 and its ligand CXCL12 display opposite expression profiles in feline mammary metastatic disease, with the exception of HER2-overexpressing tumors. BMC Cancer 2018; 18:741. [PMID: 30012106 PMCID: PMC6048851 DOI: 10.1186/s12885-018-4650-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Accepted: 06/29/2018] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND The receptor CXCR4 and its ligand CXCL12 play crucial roles in breast cancer. Despite the fact that the spontaneous feline mammary carcinoma (FMC) is considered a suitable model for breast cancer studies, the importance of the CXCR4/CXCL12 axis in FMC is completely unknown. Therefore, this work aims to elucidate the role of CXCR4 and its ligand in the progression of FMC and metastatic disease. METHODS CXCR4 and CXCL12 expression was analyzed by immunohistochemistry and immunofluorescence on primary tumors (PT), regional and distant metastases of female cats with mammary carcinoma and correlated with serum CXCL12 levels, tumor molecular subtypes and clinicopathological features. RESULTS CXCR4 was more expressed in PT than in metastases (p = 0.0067), whereas CXCL12 was highly expressed in metastatic lesions located in liver and lung (p < 0.0001), as reported for human breast cancer. Moreover, cats with CXCR4 positive PT exhibited significantly lower serum CXCL12 levels than cats with CXCR4 negative mammary carcinomas (p = 0.0324). At metastatic lesions, HER2-overexpressing tumors presented higher CXCR4 expression than the other molecular tumor subtypes (p = 0.012) and significant differences in overall (p = 0.0147) and disease-free survival (p = 0.0279) curves between the cats with CXCL12 positive and CXCL12 negative tumors were found. Indeed, CXCL12 negative PT were associated with unfavorable prognosis in cats with HER2-overexpressing tumors. CONCLUSIONS This work exposes part of the complex interaction between CXCR4 and CXCL12 in PT, but also in metastases of a breast cancer model. These findings could uncover novel therapeutic tools to be used in cats and humans.
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Affiliation(s)
- Cláudia S. Marques
- Center for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, 1300-477 Lisbon, Portugal
| | - Ana Rita Santos
- Center for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, 1300-477 Lisbon, Portugal
| | - Andreia Gameiro
- Center for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, 1300-477 Lisbon, Portugal
| | - Jorge Correia
- Center for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, 1300-477 Lisbon, Portugal
| | - Fernando Ferreira
- Center for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, 1300-477 Lisbon, Portugal
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Xu L, Cheng L, Yang F, Pei B, Liu X, Zhou J, Zhu Y, Wang S. JWA suppresses the invasion of human breast carcinoma cells by downregulating the expression of CXCR4. Mol Med Rep 2018; 17:8137-8144. [PMID: 29658570 PMCID: PMC5983986 DOI: 10.3892/mmr.2018.8866] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Accepted: 03/29/2018] [Indexed: 01/11/2023] Open
Abstract
Breast cancer is the second leading cause of cancer-associated mortality, and metastatic breast cancer is responsible for 90% of patient mortalities. Given that JWA represses the proliferation, invasion and metastasis of a number of other human tumor cells, including melanoma, esophageal, hepatocellular and gastric carcinomas, via mitogen-activated protein kinase or integrin signaling, the present study investigated the expression and function of JWA in human breast cancers. The results showed that the expression level of JWA was significantly reduced in human primary breast cancers when compared with the paired adjacent tissues. Downregulating JWA enhanced, while overexpressing JWA suppressed, the migration and invasion abilities of the two breast cancer cell lines, MDA-MB-468 and MDA-MB-231, without affecting their proliferations in vitro. In addition, JWA negatively regulated the surface expression of CXCR4 in the two cell lines via proteasome degradation, though not via transcriptional inhibition. Functionally, normalizing the disturbed expressions of CXCR4 largely reversed the inhibitory effect of JWA on cell invasion. These data demonstrated that JWA suppressed the migration/invasion of breast carcinoma cells by downregulating the expression of CXCR4, and suggested that JWA may harbor prognostic and therapeutic potential in patients with breast cancer.
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Affiliation(s)
- Lingyun Xu
- Department of Breast Surgery, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou, Jiangsu 213003, P.R. China
| | - Lin Cheng
- Department of Breast Surgery, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou, Jiangsu 213003, P.R. China
| | - Fangliang Yang
- Department of Breast Surgery, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou, Jiangsu 213003, P.R. China
| | - Bei Pei
- Department of Breast Surgery, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou, Jiangsu 213003, P.R. China
| | - Xiaoan Liu
- Department of Breast Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Jianwei Zhou
- Department of Molecular Cell Biology and Toxicology, Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Cancer Center, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Yulan Zhu
- Department of Breast Surgery, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou, Jiangsu 213003, P.R. China
| | - Shui Wang
- Department of Breast Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
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13
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Huang MB, Giesler KE, Katzman BM, Prosser AR, Truax V, Liotta DC, Wilson LJ, Bond VC. Small molecule CXCR4 antagonists block the HIV-1 Nef/CXCR4 axis and selectively initiate the apoptotic program in breast cancer cells. Oncotarget 2018; 9:16996-17013. [PMID: 29682200 PMCID: PMC5908301 DOI: 10.18632/oncotarget.24580] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2017] [Accepted: 02/20/2018] [Indexed: 12/11/2022] Open
Abstract
The chemokine receptor CXCR4 plays an integral role in the development of highly metastatic breast cancer and in the pathogenesis of chronic HIV infection. In this study, we compared the effects of CXCR4 antagonists on apoptosis induction in hematopoietic cells and in tumor cells. We incubated cells expressing CXCR4 with a series of CXCR4 antagonists and subsequently exposed the cultures to a pro-apoptotic peptide derived from the HIV-1 Nef protein (NefM1). The NefM1 peptide contains residues 50-60 of Nef and was previously shown to be the sequence necessary for Nef to initiate the apoptotic program through CXCR4 signaling. We found that several of the compounds studied potently blocked Nef-induced apoptosis in Jurkat T-lymphocyte cells. Interestingly, many of the same compounds selectively triggered apoptosis in MDA-MB-231 breast cancer cells, in some cases at sub-nanomolar concentrations. None of the compounds were toxic to lymphocyte, monocyte or macrophage cells, suggesting that aggressive breast cancer carcinomas may be selectively targeted and eliminated using CXCR4-based therapies without additional cytotoxic agents. Our results also demonstrate that not all CXCR4 antagonists are alike and that the observed anti-Nef and pro-apoptotic effects are chemically tunable. Collectively, these findings suggest our CXCR4 antagonists have promising clinical utility for HIV or breast cancer therapies as well as being useful probes to examine the link between CXCR4 and apoptosis.
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Affiliation(s)
- Ming-Bo Huang
- Department of Microbiology, Biochemistry and Immunology, Morehouse School of Medicine, Atlanta, Georgia 30310, United States
| | - Kyle E. Giesler
- Department of Chemistry, Emory University, Atlanta, Georgia 30322, United States
| | - Brooke M. Katzman
- Department of Chemistry, Emory University, Atlanta, Georgia 30322, United States
| | - Anthony R. Prosser
- Department of Chemistry, Emory University, Atlanta, Georgia 30322, United States
| | - Valarie Truax
- Department of Chemistry, Emory University, Atlanta, Georgia 30322, United States
| | - Dennis C. Liotta
- Department of Chemistry, Emory University, Atlanta, Georgia 30322, United States
| | - Lawrence J. Wilson
- Department of Chemistry, Emory University, Atlanta, Georgia 30322, United States
| | - Vincent C. Bond
- Department of Microbiology, Biochemistry and Immunology, Morehouse School of Medicine, Atlanta, Georgia 30310, United States
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14
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de Oliveira ÉA, Faintuch BL, Seo D, Barbezan AB, Funari A, Targino RC, Moro AM. Radiolabeled GX1 Peptide for Tumor Angiogenesis Imaging. Appl Biochem Biotechnol 2018; 185:863-874. [DOI: 10.1007/s12010-018-2700-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Accepted: 01/15/2018] [Indexed: 02/06/2023]
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15
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Metformin inhibits 17β-estradiol-induced epithelial-to-mesenchymal transition via βKlotho-related ERK1/2 signaling and AMPKα signaling in endometrial adenocarcinoma cells. Oncotarget 2018; 7:21315-31. [PMID: 26824324 PMCID: PMC5008287 DOI: 10.18632/oncotarget.7040] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2015] [Accepted: 01/19/2016] [Indexed: 12/11/2022] Open
Abstract
The potential role of metformin in treating endometrial cancer remains to be explored. The current study investigated the role of metformin in 17β-estradiol-induced epithelial-mesenchymal transition (EMT) in endometrial adenocarcinoma cells. We found that 17β-estradiol promoted proliferation and migration, attenuated apoptosis in both estrogen receptor (ER) positive and ER negative endometrial adenocarcinoma cells (Ishikawa and KLE cells, respectively). Metformin abolished 17β-estradiol-induced cell proliferation and reversed 17β-estradiol-induced EMT in Ishikawa cells. In addition, metformin increased the expression of βKlotho, a fibroblast growth factors (FGFs) coreceptor, and decreased ERK1/2 phosphorylation in both Ishikawa and KLE cells. Decreased expression of βKlotho was noted in human endometrial adenocarcinomas, and plasmid-driven expression of βKlotho in Ishikawa cells abolished 17β-estradiol-induced EMT via inhibiting ERK1/2 signaling. βKlotho expression and metformin show synergetic effects on the proliferation and the EMT in Ishikawa cells. Furthermore, we demonstrated that the anti-EMT effects of metformin could be partly abolished by introducing Compound C, a specific AMPKα signaling inhibitor. In conclusion, metformin abolishes 17β-estradiol-induced cell proliferation and EMT in endometrial adenocarcinoma cells by upregulating βKlotho expression, inhibiting ERK1/2 signaling, and activating AMPKα signaling. Our study provides novel mechanistic insight into the anti-tumor effects of metformin.
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16
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De Francesco EM, Sotgia F, Clarke RB, Lisanti MP, Maggiolini M. G Protein-Coupled Receptors at the Crossroad between Physiologic and Pathologic Angiogenesis: Old Paradigms and Emerging Concepts. Int J Mol Sci 2017; 18:ijms18122713. [PMID: 29240722 PMCID: PMC5751314 DOI: 10.3390/ijms18122713] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 12/11/2017] [Accepted: 12/11/2017] [Indexed: 12/14/2022] Open
Abstract
G protein-coupled receptors (GPCRs) have been implicated in transmitting signals across the extra- and intra-cellular compartments, thus allowing environmental stimuli to elicit critical biological responses. As GPCRs can be activated by an extensive range of factors including hormones, neurotransmitters, phospholipids and other stimuli, their involvement in a plethora of physiological functions is not surprising. Aberrant GPCR signaling has been regarded as a major contributor to diverse pathologic conditions, such as inflammatory, cardiovascular and neoplastic diseases. In this regard, solid tumors have been demonstrated to activate an angiogenic program that relies on GPCR action to support cancer growth and metastatic dissemination. Therefore, the manipulation of aberrant GPCR signaling could represent a promising target in anticancer therapy. Here, we highlight the GPCR-mediated angiogenic function focusing on the molecular mechanisms and transduction effectors driving the patho-physiological vasculogenesis. Specifically, we describe evidence for the role of heptahelic receptors and associated G proteins in promoting angiogenic responses in pathologic conditions, especially tumor angiogenesis and progression. Likewise, we discuss opportunities to manipulate aberrant GPCR-mediated angiogenic signaling for therapeutic benefit using innovative GPCR-targeted and patient-tailored pharmacological strategies.
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Affiliation(s)
- Ernestina M De Francesco
- Department of Pharmacy, Health and Nutrition Sciences, University of Calabria via Savinio, 87036 Rende, Italy.
- Breast Cancer Now Research Unit, Division of Cancer Sciences, Manchester Cancer Research Centre, University of Manchester, Wilmslow Road, Manchester M20 4GJ, UK.
| | - Federica Sotgia
- Translational Medicine, School of Environment and Life Sciences, Biomedical Research Centre, University of Salford, Greater Manchester M5 4WT, UK.
| | - Robert B Clarke
- Breast Cancer Now Research Unit, Division of Cancer Sciences, Manchester Cancer Research Centre, University of Manchester, Wilmslow Road, Manchester M20 4GJ, UK.
| | - Michael P Lisanti
- Translational Medicine, School of Environment and Life Sciences, Biomedical Research Centre, University of Salford, Greater Manchester M5 4WT, UK.
| | - Marcello Maggiolini
- Department of Pharmacy, Health and Nutrition Sciences, University of Calabria via Savinio, 87036 Rende, Italy.
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17
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Serum SDF-1 levels are a reliable diagnostic marker of feline mammary carcinoma, discriminating HER2-overexpressing tumors from other subtypes. Oncotarget 2017; 8:105775-105789. [PMID: 29285291 PMCID: PMC5739678 DOI: 10.18632/oncotarget.22398] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Accepted: 10/25/2017] [Indexed: 02/07/2023] Open
Abstract
The feline mammary carcinoma (FMC) is the third most common tumor in cat, sharing many clinicopathological features with human breast cancer and thus, considered a suitable model for comparative oncology. Due to its poor prognosis, further studies are required to improve the diagnostic accuracy and treatment of cats with spontaneous mammary carcinoma. Recently, it was reported that the overexpression of stromal cell-derived factor-1 (SDF-1) has great value in human breast cancer diagnosis, suggesting that diagnostic tools and therapies targeting the SDF-1 ligand can improve the clinical outcome. In this study, we aimed to evaluate if serum SDF-1 levels can also be used as a biomarker of mammary carcinoma in cats and to analyze if serum SDF-1 levels are associated with clinicopathological features, linked to a specific FMC subtype or correlated with the tumor expression of SDF-1 receptor, the chemokine C-X-C motif receptor 4 (CXCR4). Results showed that cats with mammary carcinoma had significantly higher serum SDF-1 levels than healthy controls (p=0.035) and ROC analysis revealed that the best cut-off value to differentiate sick from healthy animals was 2 ng/ml (specificity: 80%; sensitivity: 57%; AUC=0.715). Significant associations were also found between cats with elevated serum SDF-1 concentrations (≥ 2 ng/ml) and HER2-overexpressing mammary carcinomas (Luminal B-like and HER2-positive subtypes, p<0.0001), CXCR4-negative mammary carcinomas (p=0.027), mammary carcinomas with small size (<3 cm, p=0.027) and tumors with low Ki-67 expression (p=0.012). No statistical associations were found between serum SDF-1 levels and overall or disease-free survival. In summary, our results show that serum SDF-1 levels can be used as a biomarker of feline mammary carcinoma, especially in cats with HER2-overexpressing mammary tumors. Data suggest that targeted therapies against the SDF-1 ligand and/or its CXC4 receptor may be effective for the treatment of FMC, as described for human breast cancer, strengthening the concept that spontaneous feline mammary carcinoma is a suitable model for comparative oncology.
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18
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Seek & Destroy, use of targeting peptides for cancer detection and drug delivery. Bioorg Med Chem 2017; 26:2797-2806. [PMID: 28893601 DOI: 10.1016/j.bmc.2017.08.052] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Revised: 08/14/2017] [Accepted: 08/30/2017] [Indexed: 12/21/2022]
Abstract
Accounting for 16 million new cases and 9 million deaths annually, cancer leaves a great number of patients helpless. It is a complex disease and still a major challenge for the scientific and medical communities. The efficacy of conventional chemotherapies is often poor and patients suffer from off-target effects. Each neoplasm exhibits molecular signatures - sometimes in a patient specific manner - that may completely differ from the organ of origin, may be expressed in markedly higher amounts and/or in different location compared to the normal tissue. Although adding layers of complexity in the understanding of cancer biology, this cancer-specific signature provides an opportunity to develop targeting agents for early detection, diagnosis, and therapeutics. Chimeric antibodies, recombinant proteins or synthetic polypeptides have emerged as excellent candidates for specific homing to peripheral and central nervous system cancers. Specifically, peptide ligands benefit from their small size, easy and affordable production, high specificity, and remarkable flexibility regarding their sequence and conjugation possibilities. Coupled to imaging agents, chemotherapies and/or nanocarriers they have shown to increase the on-site delivery, thus allowing better tumor mass contouring in imaging and increased efficacy of the chemotherapies associated with reduced adverse effects. Therefore, some of the peptides alone or in combination have been tested in clinical trials to treat patients. Peptides have been well-tolerated and shown absence of toxicity. This review aims to offer a view on tumor targeting peptides that are either derived from natural peptide ligands or identified using phage display screening. We also include examples of peptides targeting the high-grade malignant tumors of the central nervous system as an example of the complex therapeutic management due to the tumor's location. Peptide vaccines are outside of the scope of this review.
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19
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Katkoori VR, Manne U, Chaturvedi LS, Basson MD, Haan P, Coffey D, Bumpers HL. Functional consequence of the p53 codon 72 polymorphism in colorectal cancer. Oncotarget 2017; 8:76574-76586. [PMID: 29100333 PMCID: PMC5652727 DOI: 10.18632/oncotarget.20580] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2017] [Accepted: 08/16/2017] [Indexed: 01/22/2023] Open
Abstract
Background The codon 72 polymorphism in p53 has been implicated in colorectal cancer (CRC) risk, prognosis and CRC health disparities. We examined the functional consequence of this polymorphism in CRC. Experimental Design Plasmids (pCMV6) that express different phenotypes of p53 [p53 wild type (wt) at codon 72 (R72wt), R72wt with mutation at codon 273 cysteine (R72273Cys), p53 mutation at codon 72 (P72wt) and P72wt with mutation at codon 273 (P72273Cys)] were constructed. The CRC cell line Caco2, which does not express p53 for in vitro studies, was used as host. CRC xenografts were established in severe combined immunodeficient (SCID) mice using established cell lines. CRC surgical specimens, corresponding normal colon, and tumor xenografts were sequenced for codon 72 polymorphism of p53. Proteins signaling mechanisms were evaluated to assess the functional consequence of P72 phenotype of p53. Results This study demonstrated a significantly increased survival of cells expressing P72wt, mutant phenotype, versus R72wt phenotype. WB analyses revealed that P72wt induced activation of p38 and RAF/MEK/ extracellular signal-regulated kinase (ERK) MAP kinases. Activation of CREB was found to be higher in tumors that exhibit P72 phenotype. Metastatic lesions of CRC expressed more phospho-CREB than non-metastatic lesions. The expression of P72wt promoted CRC metastasis. Conclusions P72 contributes to the aggressiveness of CRC. Because P72 is over-expressed in CRC, specifically in African-American patients, this suggests a role for P72 in cancer health disparities. This work was supported by NIH/NCI Workforce Diversity Grant R21-CA171251 & U54CA118948.
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Affiliation(s)
- Venkat R Katkoori
- Department of Surgery, Michigan State University, College of Human Medicine, Lansing, MI, USA
| | - Upender Manne
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Lakshmi S Chaturvedi
- Department of Surgery, University of North Dakota, School of Medicine and Health Sciences, Grand Forks, ND, USA
| | - Marc D Basson
- Department of Surgery, University of North Dakota, School of Medicine and Health Sciences, Grand Forks, ND, USA
| | - Pam Haan
- Department of Surgery, Michigan State University, College of Human Medicine, Lansing, MI, USA
| | | | - Harvey L Bumpers
- Department of Surgery, Michigan State University, College of Human Medicine, Lansing, MI, USA
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20
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Yang QL, Zhang LY, Wang HF, Li Y, Wang YY, Chen TT, Dai MF, Wu HH, Chen SL, Wang WR, Wu Q, Chen CJ, Zhou CZ. The N-terminal polypeptide derived from viral macrophage inflammatory protein II reverses breast cancer epithelial-to-mesenchymal transition via a PDGFRα-dependent mechanism. Oncotarget 2017; 8:37448-37463. [PMID: 28415580 PMCID: PMC5514921 DOI: 10.18632/oncotarget.16394] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Accepted: 03/01/2017] [Indexed: 01/22/2023] Open
Abstract
NT21MP, a 21-residue peptide derived from the viral macrophage inflammatory protein II, competed effectively with the natural ligand of CXC chemokine receptor 4 (CXCR4), stromal cell-derived factor 1-alpha, to induce apoptosis and inhibit growth in breast cancer. Its role in tumor epithelial-to-mesenchymal transition (EMT) regulation remains unknown. In this study, we evaluated the reversal of EMT upon NT21MP treatment and examined its role in the inhibition of EMT in breast cancer. The parental cells of breast cancer (SKBR-3 and MCF-7) and paclitaxel-resistant (SKBR-3 PR and MCF-7 PR) cells were studied in vitro and in combined immunodeficient mice. The mice injected with SKBR-3 PR cells were treated with NT21MP through the tail vein or intraperitoneally with paclitaxel or saline. Sections from tumors were evaluated for tumor weight and EMT markers based on Western blot. In vitro, the effects of NT21MP, CXCR4 and PDGFRα on tumor EMT were assessed by relative quantitative real-time reverse transcription-polymerase chain reaction, western blot and biological activity in breast cancer cell lines expressing high or low levels of CXCR4. Our results illustrated that NT21MP could reverse the phenotype of EMT in paclitaxel-resistant cells. Furthermore, we found that NT21MP governed PR-mediated EMT partly due to controlling platelet-derived growth factors A and B (PDGFA and PDGFB) and their receptor (PDGFRα). More importantly, NT21MP down-regulated AKT and ERK1/2 activity, which were activated by PDGFRα, and eventually reversed the EMT. Together, these results indicated that CXCR4 overexpression drives acquired paclitaxel resistance, partly by activating the PDGFA and PDGFB/PDGFRα autocrine signaling loops that activate AKT and ERK1/2. Inhibition of the oncogenic EMT process by targeting CXCR4/PDGFRα-mediated pathways using NT21MP may provide a novel therapeutic approach towards breast cancer.
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Affiliation(s)
- Qing-Ling Yang
- Hefei National Laboratory for Physical Sciences at Microscale and the Innovation Center for Cell Signaling Network, School of Life Sciences, University of Science and Technology of China, Hefei, Anhui 233030, China
- Department of Biochemistry and Molecular Biology, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Ling-Yu Zhang
- Clinical Testing and Diagnose Experimental Center of Bengbu Medical College, Bengbu, Anhui 233000, China
| | - Hai-Feng Wang
- Clinical Testing and Diagnose Experimental Center of Bengbu Medical College, Bengbu, Anhui 233000, China
| | - Yu Li
- Clinical Testing and Diagnose Experimental Center of Bengbu Medical College, Bengbu, Anhui 233000, China
| | - Yue-Yue Wang
- Clinical Testing and Diagnose Experimental Center of Bengbu Medical College, Bengbu, Anhui 233000, China
| | - Tian-Tian Chen
- Clinical Testing and Diagnose Experimental Center of Bengbu Medical College, Bengbu, Anhui 233000, China
| | - Meng-Fen Dai
- Clinical Testing and Diagnose Experimental Center of Bengbu Medical College, Bengbu, Anhui 233000, China
| | - Hai-Hua Wu
- Clinical Testing and Diagnose Experimental Center of Bengbu Medical College, Bengbu, Anhui 233000, China
| | - Su-Lian Chen
- Department of Biochemistry and Molecular Biology, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Wen-Rui Wang
- Department of Biotechnology, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Qiong Wu
- Department of Medical Oncology, First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui 233004, China
| | - Chang-Jie Chen
- Department of Biochemistry and Molecular Biology, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Cong-Zhao Zhou
- Hefei National Laboratory for Physical Sciences at Microscale and the Innovation Center for Cell Signaling Network, School of Life Sciences, University of Science and Technology of China, Hefei, Anhui 233030, China
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21
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Kim JH, Shim JW, Eum DY, Kim SD, Choi SH, Yang K, Heo K, Park MT. Downregulation of UHRF1 increases tumor malignancy by activating the CXCR4/AKT-JNK/IL-6/Snail signaling axis in hepatocellular carcinoma cells. Sci Rep 2017; 7:2798. [PMID: 28584306 PMCID: PMC5459852 DOI: 10.1038/s41598-017-02935-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2016] [Accepted: 04/20/2017] [Indexed: 12/19/2022] Open
Abstract
UHRF1 (ubiquitin-like, with PHD and RING finger domains 1) plays a crucial role in DNA methylation, chromatin remodeling and gene expression and is aberrantly upregulated in various types of human cancers. However, the precise role of UHRF1 in cancer remains controversial. In this study, we observed that hypoxia-induced downregulation of UHRF1 contributes to the induction of the epithelial-mesenchymal transition (EMT) in hepatocellular carcinoma cells. By negatively modulating UHRF1 expression, we further showed that UHRF1 deficiency in itself is sufficient to increase the migratory and invasive properties of cells via inducing EMT, increasing the tumorigenic capacity of cells and leading to the expansion of cancer stem-like cells. Epigenetic changes caused by UHRF1 deficiency triggered the upregulation of CXCR4, thereby activating AKT and JNK to increase the expression and secretion of IL-6. In addition, IL-6 readily activated the JAK/STAT3/Snail signaling axis, which subsequently contributed to UHRF1 deficiency-induced EMT. Our results collectively demonstrate that UHRF1 deficiency may play a pivotal role in the malignant alteration of cancer cells.
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Affiliation(s)
- Ji-Hyun Kim
- Research Center, Dongnam Institute of Radiological & Medical Sciences (DIRAMS), Busan, 46033, Republic of Korea
| | - Jae-Woong Shim
- Research Center, Dongnam Institute of Radiological & Medical Sciences (DIRAMS), Busan, 46033, Republic of Korea
| | - Da-Young Eum
- Research Center, Dongnam Institute of Radiological & Medical Sciences (DIRAMS), Busan, 46033, Republic of Korea
| | - Sung Dae Kim
- Research Center, Dongnam Institute of Radiological & Medical Sciences (DIRAMS), Busan, 46033, Republic of Korea
| | - Si Ho Choi
- Research Center, Dongnam Institute of Radiological & Medical Sciences (DIRAMS), Busan, 46033, Republic of Korea
| | - Kwangmo Yang
- Research Center, Dongnam Institute of Radiological & Medical Sciences (DIRAMS), Busan, 46033, Republic of Korea
| | - Kyu Heo
- Research Center, Dongnam Institute of Radiological & Medical Sciences (DIRAMS), Busan, 46033, Republic of Korea.
| | - Moon-Taek Park
- Research Center, Dongnam Institute of Radiological & Medical Sciences (DIRAMS), Busan, 46033, Republic of Korea.
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22
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Torraca V, Tulotta C, Snaar-Jagalska BE, Meijer AH. The chemokine receptor CXCR4 promotes granuloma formation by sustaining a mycobacteria-induced angiogenesis programme. Sci Rep 2017; 7:45061. [PMID: 28332618 PMCID: PMC5362882 DOI: 10.1038/srep45061] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2016] [Accepted: 02/20/2017] [Indexed: 12/14/2022] Open
Abstract
CXC chemokine receptor 4 plays a critical role in chemotaxis and leukocyte differentiation. Furthermore, there is increasing evidence that links this receptor to angiogenesis. Using the well-established zebrafish-Mycobacterium marinum model for tuberculosis, angiogenesis was recently found to be important for the development of cellular aggregates called granulomas that contain the mycobacteria and are the hallmark of tuberculosis disease. Here, we found that initiation of the granuloma-associated proangiogenic programme requires CXCR4 signalling. The nascent granulomas in cxcr4b-deficient zebrafish embryos were poorly vascularised, which in turn also delayed bacterial growth. Suppressed infection expansion in cxcr4b mutants could not be attributed to an overall deficient recruitment of leukocytes or to different intramacrophage bacterial growth rate, as cxcr4b mutants displayed similar microbicidal capabilities against initial mycobacterial infection and the cellular composition of granulomatous lesions was similar to wildtype siblings. Expression of vegfaa was upregulated to a similar extent in cxcr4b mutants and wildtypes, suggesting that the granuloma vascularisation phenotype of cxcr4b mutants is independent of vascular endothelial growth factor.
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