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Yoshida K, Chambers JK, Uchida K. The relationships of platelet-derived growth factor, microvascular proliferation, and tumor cell proliferation in canine high-grade oligodendrogliomas: Immunohistochemistry of 45 tumors and an AFOB-01 xenograft mouse model. Vet Pathol 2024; 61:732-742. [PMID: 38577818 DOI: 10.1177/03009858241241793] [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: 04/06/2024]
Abstract
High-grade oligodendroglioma (HGOG) is the most common type of glioma in dogs and expresses platelet-derived growth factor receptor-α (PDGFR-α). Microvascular proliferation is often observed in HGOG. Therefore, the present study investigated the functional relationships between PDGFR-α, microvascular proliferation, and tumor cell proliferation in canine HGOG. The expression of PDGFR-α and PDGF-subunit A (PDGF-A) in tumor cells, as well as endothelial cells and pericytes of tumor-associated microvascular proliferations, in 45 canine HGOGs were examined immunohistochemically. Microvascular proliferation was observed in 24/45 cases (53%). PDGFR-α expression in tumor cells and microvascular proliferations was observed in 45/45 (100%) and 2/24 cases (8%), respectively. Furthermore, PDGF-A expression in tumor cells and microvascular proliferations was detected in 13/45 (29%) and 24/24 cases (100%), respectively. In vitro, stimulation of the canine HGOG cell line AOFB-01 with PDGF-A showed that the doubling time of AOFB-01 cells was significantly shorter with PDGF-A than without PDGF-A. Crenolanib (a PDGFR inhibitor) inhibited AOFB-01 cell proliferation. In vivo, the AOFB-01 xenograft mouse model was treated with crenolanib. Tumor xenografts were smaller in crenolanib-treated mice than in untreated control mice. PDGFR-α expression in tumor cells and PDGF-A expression in microvascular proliferations and tumor cells suggest autocrine and paracrine effects of PDGF-A in canine HGOG. The results of in vitro assays indicate that canine HGOG expresses functional PDGFR-α, which responds to PDGF-A. Therefore, PDGF-A produced by microvascular proliferations and tumor cells may promote the proliferation of PDGFR-α-expressing tumor cells in canine HGOG. PDGFR-α signaling has potential as a therapeutic target.
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Fadhil Jaafar A, Afrisham R, Fadaei R, Farrokhi V, Moradi N, Abbasi A, Einollahi N. CCN3/NOV serum levels in coronary artery disease (CAD) patients and its correlation with TNF-α and IL-6. BMC Res Notes 2023; 16:306. [PMID: 37919772 PMCID: PMC10623743 DOI: 10.1186/s13104-023-06590-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Accepted: 10/23/2023] [Indexed: 11/04/2023] Open
Abstract
INTRODUCTION Dysregulation in the secretion of adipokines or adipocytokines plays a significant role in triggering a pro-inflammatory state, leading to endothelial dysfunction and insulin resistance, and ultimately elevating the risk of atherosclerosis and coronary artery disease (CAD). Previous studies have shown a link between NOV/CCN3 (an adipokine) and obesity, insulin resistance, and inflammation. However, no research has explored the relationship between CCN3 serum levels and CAD. Therefore, we conducted the first investigation to examine the correlation between CCN3 and CAD risk factors in patients. METHODS In a case-control study, we measured the serum levels of CCN3, IL-6, adiponectin, and TNF-α in 88 angiography-confirmed CAD patients and 88 control individuals using ELISA kits. Additionally, we used an auto analyzer and commercial kits to measure the biochemical parameters. RESULTS In patients with CAD, the serum levels of CCN3, TNF-α, and IL-6 were significantly higher compared to the control group, whereas lower levels of adiponectin were observed in the CAD group (P < 0.0001). A positive correlation was found between CCN3 and IL-6 and TNF-α in the CAD group ([r = 0.38, P < 0.0001], [r = 0.39, P < 0.0001], respectively). A binary logistic regression analysis showed the risk of CAD in the model adjusted (OR [95% CI] = 1.29 [1.19 - 1.41]), (P < 0.0001). We determined a cut-off value of CCN3 (3169.6 pg/mL) to distinguish CAD patients from the control group, with good sensitivity and specificity obtained for this finding (83.8% and 87.5%, respectively). CONCLUSION This study provides evidence of a positive association between CCN3 serum levels and CAD, as well as inflammation markers such as IL-6 and TNF-α. These findings suggest that CCN3 may serve as a potential biomarker for CAD, and further investigations are necessary to validate this association and explore its potential use in clinical settings.
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Affiliation(s)
- Alaa Fadhil Jaafar
- Department of Clinical Laboratory Sciences, School of Allied Medical Sciences, Tehran University of Medical Sciences, Tehran, Iran
| | - Reza Afrisham
- Department of Clinical Laboratory Sciences, School of Allied Medical Sciences, Tehran University of Medical Sciences, Tehran, Iran.
| | - Reza Fadaei
- Sleep Disorders Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
- Department of Pharmacology, Vanderbilt University, Nashville, TN, USA
| | - Vida Farrokhi
- Department of Hematology, Faculty of Allied Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Nariman Moradi
- Liver and Digestive Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran
| | - Ali Abbasi
- Department of Cardiology, Dr Shariatee training and research Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Nahid Einollahi
- Department of Clinical Laboratory Sciences, School of Allied Medical Sciences, Tehran University of Medical Sciences, Tehran, Iran.
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Son S, Kim H, Lim H, Lee JH, Lee KM, Shin I. CCN3/NOV promotes metastasis and tumor progression via GPNMB-induced EGFR activation in triple-negative breast cancer. Cell Death Dis 2023; 14:81. [PMID: 36737605 PMCID: PMC9898537 DOI: 10.1038/s41419-023-05608-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 01/19/2023] [Accepted: 01/20/2023] [Indexed: 02/05/2023]
Abstract
Triple-negative breast cancer (TNBC) is the most aggressive subtype of breast cancer. TNBC patients typically exhibit unfavorable outcomes due to its rapid growth and metastatic potential. Here, we found overexpression of CCN3 in TNBC patients. We identified that CCN3 knockdown diminished cancer stem cell formation, metastasis, and tumor growth in vitro and in vivo. Mechanistically, ablation of CCN3 reduced activity of the EGFR/MAPK pathway. Transcriptome profiling revealed that CCN3 induces glycoprotein nonmetastatic melanoma protein B (GPNMB) expression, which in turn activates the EGFR pathway. An interrogation of the TCGA dataset further supported the transcriptional regulation of GPNMB by CCN3. Finally, we showed that CCN3 activates Wnt signaling through a ligand-dependent or -independent mechanism, which increases microphthalmia-associated transcription factor (MITF) protein, a transcription factor inducing GPNMB expression. Together, our findings demonstrate the oncogenic role of CCN3 in TNBC, and we propose CCN3 as a putative therapeutic target for TNBC.
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Affiliation(s)
- Seogho Son
- Department of Life Science, Hanyang University, Seoul, 04763, Korea
| | - Hyungjoo Kim
- Department of Life Science, Hanyang University, Seoul, 04763, Korea
| | - Hogeun Lim
- Department of Life Science, Hanyang University, Seoul, 04763, Korea
| | - Joo-Hyung Lee
- Department of Life Science, Hanyang University, Seoul, 04763, Korea
| | - Kyung-Min Lee
- Department of Life Science, Hanyang University, Seoul, 04763, Korea
- Natural Science Institute, Hanyang University, Seoul, 04763, Korea
- Hanyang Institute of Bioscience and Biotechnology, Hanyang University, Seoul, 04763, Korea
| | - Incheol Shin
- Department of Life Science, Hanyang University, Seoul, 04763, Korea.
- Natural Science Institute, Hanyang University, Seoul, 04763, Korea.
- Hanyang Institute of Bioscience and Biotechnology, Hanyang University, Seoul, 04763, Korea.
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Jia Q, Xu B, Zhang Y, Ali A, Liao X. CCN Family Proteins in Cancer: Insight Into Their Structures and Coordination Role in Tumor Microenvironment. Front Genet 2021; 12:649387. [PMID: 33833779 PMCID: PMC8021874 DOI: 10.3389/fgene.2021.649387] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Accepted: 03/03/2021] [Indexed: 12/19/2022] Open
Abstract
The crosstalk between tumor cells and the tumor microenvironment (TME), triggers a variety of critical signaling pathways and promotes the malignant progression of cancer. The success rate of cancer therapy through targeting single molecule of this crosstalk may be extremely low, whereas co-targeting multiple components could be complicated design and likely to have more side effects. The six members of cellular communication network (CCN) family proteins are scaffolding proteins that may govern the TME, and several studies have shown targeted therapy of CCN family proteins may be effective for the treatment of cancer. CCN protein family shares similar structures, and they mutually reinforce and neutralize each other to serve various roles that are tightly regulated in a spatiotemporal manner by the TME. Here, we review the current knowledge on the structures and roles of CCN proteins in different types of cancer. We also analyze CCN mRNA expression, and reasons for its diverse relationship to prognosis in different cancers. In this review, we conclude that the discrepant functions of CCN proteins in different types of cancer are attributed to diverse TME and CCN truncated isoforms, and speculate that targeting CCN proteins to rebalance the TME could be a potent anti-cancer strategy.
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Affiliation(s)
- Qingan Jia
- Institute of Medical Research, Northwestern Polytechnical University, Xi'an, China
| | - Binghui Xu
- Institute of Medical Research, Northwestern Polytechnical University, Xi'an, China
| | - Yaoyao Zhang
- Institute of Medical Research, Northwestern Polytechnical University, Xi'an, China
| | - Arshad Ali
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
| | - Xia Liao
- Department of Nutrition, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
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Giamanco KA, Matthews RT. The Role of BEHAB/Brevican in the Tumor Microenvironment: Mediating Glioma Cell Invasion and Motility. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1272:117-132. [PMID: 32845505 DOI: 10.1007/978-3-030-48457-6_7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Malignant gliomas are the most common tumors in the central nervous system (CNS) and, unfortunately, are also the most deadly. The lethal nature of malignant gliomas is due in large part to their unique and distinctive ability to invade the surrounding neural tissue. The invasive and dispersive nature of these tumors makes them particularly challenging to treat, and currently there are no effective therapies for malignant gliomas. The brain tumor microenvironment plays a particularly important role in mediating the invasiveness of gliomas, and, therefore, understanding its function is key to developing novel therapies to treat these deadly tumors. A defining aspect of the tumor microenvironment of gliomas is the unique composition of the extracellular matrix that enables tumors to overcome the typically inhibitory environment found in the CNS. One conspicuous component of the glioma tumor microenvironment is the neural-specific ECM molecule, brain-enriched hyaluronan binding (BEHAB)/brevican (B/b). B/b is highly overexpressed in gliomas, and its expression in these tumors contributes importantly to the tumor invasiveness and aggressiveness. However, B/b is a complicated protein with multiple splice variants, cleavage products, and glycoforms that contribute to its complex functions in these tumors and provide unique targets for tumor therapy. Here we review the role of B/b in glioma tumor microenvironment and explore targeting of this protein for glioma therapy.
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Affiliation(s)
- Kristin A Giamanco
- Department of Biological and Environmental Sciences, Western Connecticut State University, Danbury, CT, USA
| | - Russell T Matthews
- Department of Neuroscience and Physiology, SUNY Upstate Medical University, Syracuse, NY, USA.
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Zou X, Wu Z, Huang J, Liu P, Qin X, Chen L, Zhu W, Zhao Y, Li P, Song J, Yang GY, Mao Y. The Role of Matrix Metalloproteinase-3 in the Doxycycline Attenuation of Intracranial Venous Hypertension-Induced Angiogenesis. Neurosurgery 2019; 83:1317-1327. [PMID: 29462373 DOI: 10.1093/neuros/nyx633] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2017] [Accepted: 12/22/2017] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND The molecular mechanism of brain arteriovenous malformation (BAVM) is largely unknown. Intracranial venous hypertension (VH) may enhance focal angiogenesis and promote BAVM development and progression. A rat VH model effectively simulates the hemodynamic microenvironment of this disease. OBJECTIVE To explore the effect of doxycycline in VH-related angiogenesis, as well as the role of matrix metalloproteinase-3 (MMP-3) and other molecular factors. METHODS A rat VH model was generated by common carotid artery and distal external jugular vein anastomosis. Microvessel density (MVD) in the perisinus area and expression of MMP-3/2/9, VEGF, TIMP-1, TGF-β, and HIF-1α were examined, with and without daily doxycycline treatment for 4 wk. The effects of doxycycline were verified in Vitro using human brain microvascular endothelial cells (HBMECs). MMP-3 overexpression or knockdown in HBMECs was used to confirm the role of MMP-3 in cell functions. RESULTS MVD in the perisinus cortex was greatly increased after VH. Doxycycline decreased MVD, suppressed MMP-3 overexpression, and reduced VEGF, TGF-β, and TIMP-1 levels compared with the controls (P < .05). In Vitro, doxycycline decreased HBMEC migration, tube formation, and the mRNA, protein, and enzymatic activity levels of MMP-3. MMP-3 overexpression in HBMECs promoted migration, while knockdown of MMP-3 significantly attenuated proliferation, migration, and tube formation (P < .05). CONCLUSION Our findings indicate that MMP-3 plays an important role in VH-related angiogenesis and the promotion of vascular remodeling. Suppression of MMP-3 overexpression by doxycycline may provide a potential strategy for inhibiting BAVM development.
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Affiliation(s)
- Xiang Zou
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China
| | - Zehan Wu
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China
| | - Jun Huang
- Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, China.,The Shanghai Institute of Hypertension, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Peixi Liu
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China
| | - Xuanfeng Qin
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China
| | - Liang Chen
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China
| | - Wei Zhu
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China
| | - Yao Zhao
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China
| | - Peiliang Li
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China
| | - Jianping Song
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China
| | - Guo-Yuan Yang
- Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, China
| | - Ying Mao
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China.,State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences and Institutes of Brain Science, Fudan University, Shanghai, China
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Lee D, Seo Y, Kim YW, Kim S, Bae H, Choi J, Lim I, Bang H, Kim JH, Ko JH. Far-infrared radiation stimulates platelet-derived growth factor mediated skeletal muscle cell migration through extracellular matrix-integrin signaling. THE KOREAN JOURNAL OF PHYSIOLOGY & PHARMACOLOGY : OFFICIAL JOURNAL OF THE KOREAN PHYSIOLOGICAL SOCIETY AND THE KOREAN SOCIETY OF PHARMACOLOGY 2019; 23:141-150. [PMID: 30820158 PMCID: PMC6384197 DOI: 10.4196/kjpp.2019.23.2.141] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Revised: 01/11/2019] [Accepted: 01/11/2019] [Indexed: 12/12/2022]
Abstract
Despite increased evidence of bio-activity following far-infrared (FIR) radiation, susceptibility of cell signaling to FIR radiation-induced homeostasis is poorly understood. To observe the effects of FIR radiation, FIR-radiated materials-coated fabric was put on experimental rats or applied to L6 cells, and microarray analysis, quantitative real-time polymerase chain reaction, and wound healing assays were performed. Microarray analysis revealed that messenger RNA expressions of rat muscle were stimulated by FIR radiation in a dose-dependent manner in amount of 10% and 30% materials-coated. In 30% group, 1,473 differentially expressed genes were identified (fold change [FC] > 1.5), and 218 genes were significantly regulated (FC > 1.5 and p < 0.05). Microarray analysis showed that extracellular matrix (ECM)-receptor interaction, focal adhesion, and cell migration-related pathways were significantly stimulated in rat muscle. ECM and platelet-derived growth factor (PDGF)-mediated cell migration-related genes were increased. And, results showed that the relative gene expression of actin beta was increased. FIR radiation also stimulated actin subunit and actin-related genes. We observed that wound healing was certainly promoted by FIR radiation over 48 h in L6 cells. Therefore, we suggest that FIR radiation can penetrate the body and stimulate PDGF-mediated cell migration through ECM-integrin signaling in rats.
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Affiliation(s)
- Donghee Lee
- Department of Physiology, Chung-Ang University College of Medicine, Seoul 06974, Korea
| | - Yelim Seo
- Department of Physiology, Chung-Ang University College of Medicine, Seoul 06974, Korea
| | - Young-Won Kim
- Department of Physiology, Chung-Ang University College of Medicine, Seoul 06974, Korea
| | - Seongtae Kim
- Department of Physiology, Chung-Ang University College of Medicine, Seoul 06974, Korea
| | - Hyemi Bae
- Department of Physiology, Chung-Ang University College of Medicine, Seoul 06974, Korea
| | - Jeongyoon Choi
- Department of Physiology, Chung-Ang University College of Medicine, Seoul 06974, Korea
| | - Inja Lim
- Department of Physiology, Chung-Ang University College of Medicine, Seoul 06974, Korea
| | - Hyoweon Bang
- Department of Physiology, Chung-Ang University College of Medicine, Seoul 06974, Korea
| | - Jung-Ha Kim
- Department of Family Medicine, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul 06973, Korea
| | - Jae-Hong Ko
- Department of Physiology, Chung-Ang University College of Medicine, Seoul 06974, Korea
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Sun Y, Wang T, Toh W, Pei M. The role of laminins in cartilaginous tissues: from development to regeneration. Eur Cell Mater 2017; 34:40-54. [PMID: 28731483 PMCID: PMC7315463 DOI: 10.22203/ecm.v034a03] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
As a key molecule of the extracellular matrix, laminin provides a delicate microenvironment for cell functions. Recent findings suggest that laminins expressed by cartilage-forming cells (chondrocytes, progenitor cells and stem cells) could promote chondrogenesis. However, few papers outline the effect of laminins on providing a favorable matrix microenvironment for cartilage regeneration. In this review, we delineated the expression of laminins in hyaline cartilage, fibrocartilage and cartilage-like tissue (nucleus pulposus) throughout several developmental stages. We also examined the effect of laminins on the biological activities of chondrocytes, including adhesion, migration and survival. Furthermore, we scrutinized the potential influence of various laminin isoforms on cartilage-forming cells' proliferation and chondrogenic differentiation. With this information, we hope to facilitate the understanding of the spatial and temporal interactions between cartilage-forming cells and laminin microenvironment to eventually advance cell-based cartilage engineering and regeneration.
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Affiliation(s)
- Y. Sun
- Stem Cell and Tissue Engineering Laboratory, Department of Orthopaedics, West Virginia University, Morgantown, WV, USA,Department of Orthopaedics, Orthopaedics Institute, Subei People’s Hospital of Jiangsu Province, Yangzhou, Jiangsu, 225001, China
| | - T.L. Wang
- Stem Cell and Tissue Engineering Laboratory, Department of Orthopaedics, West Virginia University, Morgantown, WV, USA
| | - W.S. Toh
- Faculty of Dentistry, National University of Singapore, Singapore
| | - M. Pei
- Stem Cell and Tissue Engineering Laboratory, Department of Orthopaedics, West Virginia University, Morgantown, WV, USA,Exercise Physiology, West Virginia University, Morgantown, WV, USA,Mary Babb Randolph Cancer Center, Robert C. Byrd Health Sciences Center, West Virginia University, Morgantown, WV, USA,Corresponding author: Ming Pei MD, PhD, Stem Cell and Tissue Engineering Laboratory, Department of Orthopaedics, West Virginia University, PO Box 9196, One Medical Center Drive, Morgantown, WV 26506-9196, USA, Telephone: 304-293-1072; Fax: 304-293-7070;
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Takayama I, Tanabe H, Nishiyama T, Ito H, Amizuka N, Li M, Katsube KI, Kii I, Kudo A. Periostin is required for matricellular localization of CCN3 in periodontal ligament of mice. J Cell Commun Signal 2016; 11:5-13. [PMID: 28013443 DOI: 10.1007/s12079-016-0371-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Accepted: 12/14/2016] [Indexed: 01/08/2023] Open
Abstract
CCN3 is a matricellular protein that belongs to the CCN family. CCN3 consists of 4 domains: insulin-like growth factor-binding protein-like domain (IGFBP), von Willebrand type C-like domain (VWC), thrombospondin type 1-like domain (TSP1), and the C-terminal domain (CT) having a cysteine knot motif. Periostin is a secretory protein that binds to extracellular matrix proteins such as fibronectin and collagen. In this study, we found that CCN3 interacted with periostin. Immunoprecipitation analysis revealed that the TSP1-CT interacted with the 4 repeats of the Fas 1 domain of periostin. Immunofluorescence analysis showed co-localization of CCN3 and periostin in the periodontal ligament of mice. In addition, targeted disruption of the periostin gene in mice decreased the matricellular localization of CCN3 in the periodontal ligament. Thus, these results indicate that periostin was required for the matricellular localization of CCN3 in the periodontal ligament, suggesting that periostin mediated an interaction between CCN3 and the extracellular matrix.
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Affiliation(s)
- Issei Takayama
- Department of Biological Information, Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, 4259-B-33, Nagatsuta-cho, Midori-ku, Yokohama, 226-8501, Japan
| | - Hideyuki Tanabe
- Department of Biological Information, Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, 4259-B-33, Nagatsuta-cho, Midori-ku, Yokohama, 226-8501, Japan.,Division of Molecular and Developmental Biology, National Institute of Genetics, Mishima, Shizuoka, 411-8540, Japan
| | - Takashi Nishiyama
- Department of Biological Information, Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, 4259-B-33, Nagatsuta-cho, Midori-ku, Yokohama, 226-8501, Japan.,Division of Virology, Department of Infection and Immunity, Jichi Medical University School of Medicine, Shimotsuke-Shi, Tochigi, Japan
| | - Harumi Ito
- Pathophysiological and Health Science Team, Imaging Platform and Innovation Group, Division of Bio-Function Dynamics Imaging, RIKEN Center for Life Science Technologies, 6-7-3 Minatojima-minamimachi, Chuo-ku, Kobe, Hyogo, 650-0047, Japan
| | - Norio Amizuka
- Division of Oral Health Science, Department of Developmental Biology of Hard Tissue, Graduate School of Dental Medicine, Hokkaido University, Sapporo, 060-8586, Japan
| | - Minqi Li
- Division of Oral Health Science, Department of Developmental Biology of Hard Tissue, Graduate School of Dental Medicine, Hokkaido University, Sapporo, 060-8586, Japan.,Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Department of Bone Metabolism, School of Stomatology, Shandong University, Wenhua West Road 44-1, Jinan, 250012, China
| | - Ken-Ichi Katsube
- Department of Molecular Pathology, Graduate School of Tokyo Medical and Dental University, Tokyo, 113-8519, Japan.,Department of Nursing Science, Faculty of Human Care, Tohto College of Health Sciences, Saitama, Japan
| | - Isao Kii
- Department of Biological Information, Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, 4259-B-33, Nagatsuta-cho, Midori-ku, Yokohama, 226-8501, Japan. .,Pathophysiological and Health Science Team, Imaging Platform and Innovation Group, Division of Bio-Function Dynamics Imaging, RIKEN Center for Life Science Technologies, 6-7-3 Minatojima-minamimachi, Chuo-ku, Kobe, Hyogo, 650-0047, Japan.
| | - Akira Kudo
- Department of Biological Information, Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, 4259-B-33, Nagatsuta-cho, Midori-ku, Yokohama, 226-8501, Japan.
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Renal Fibrosis mRNA Classifier: Validation in Experimental Lithium-Induced Interstitial Fibrosis in the Rat Kidney. PLoS One 2016; 11:e0168240. [PMID: 28002484 PMCID: PMC5176284 DOI: 10.1371/journal.pone.0168240] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2016] [Accepted: 11/28/2016] [Indexed: 12/13/2022] Open
Abstract
Accurate diagnosis of fibrosis is of paramount clinical importance. A human fibrosis classifier based on metzincins and related genes (MARGS) was described previously. In this investigation, expression changes of MARGS genes were explored and evaluated to examine whether the MARGS-based algorithm has any diagnostic value in a rat model of lithium nephropathy. Male Wistar rats (n = 12) were divided into 2 groups (n = 6). One group was given a diet containing lithium (40 mmol/kg food for 7 days, followed by 60mmol/kg food for the rest of the experimental period), while a control group (n = 6) was fed a normal diet. After six months, animals were sacrificed and the renal cortex and medulla of both kidneys removed for analysis. Gene expression changes were analysed using 24 GeneChip® Affymetrix Rat Exon 1.0 ST arrays. Statistically relevant genes (p-value<0.05, fold change>1.5, t-test) were further examined. Matrix metalloproteinase-2 (MMP2), CD44, and nephroblastoma overexpressed gene (NOV) were overexpressed in the medulla and cortex of lithium-fed rats compared to the control group. TGFβ2 was overrepresented in the cortex of lithium-fed animals 1.5-fold, and 1.3-fold in the medulla of the same animals. In Gene Set Enrichment Analysis (GSEA), both the medulla and cortex of lithium-fed animals showed an enrichment of the MARGS, TGFβ network, and extracellular matrix (ECM) gene sets, while the cortex expression signature was enriched in additional fibrosis-related-genes and the medulla was also enriched in immune response pathways. Importantly, the MARGS-based fibrosis classifier was able to classify all samples correctly. Immunohistochemistry and qPCR confirmed the up-regulation of NOV, CD44, and TGFβ2. The MARGS classifier represents a cross-organ and cross-species classifier of fibrotic conditions and may help to design a test to diagnose and to monitor fibrosis. The results also provide evidence for a common pathway in the pathogenesis of fibrosis.
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Martinerie C, Garcia M, Do TTH, Antoine B, Moldes M, Dorothee G, Kazazian C, Auclair M, Buyse M, Ledent T, Marchal PO, Fesatidou M, Beisseiche A, Koseki H, Hiraoka S, Chadjichristos CE, Blondeau B, Denis RG, Luquet S, Fève B. NOV/CCN3: A New Adipocytokine Involved in Obesity-Associated Insulin Resistance. Diabetes 2016; 65:2502-15. [PMID: 27284105 DOI: 10.2337/db15-0617] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2015] [Accepted: 05/23/2016] [Indexed: 11/13/2022]
Abstract
Identification of new adipokines that potentially link obesity to insulin resistance represents a major challenge. We recently showed that NOV/CCN3, a multifunctional matricellular protein, is synthesized and secreted by adipose tissue, with plasma levels highly correlated with BMI. NOV involvement in tissue repair, fibrotic and inflammatory diseases, and cancer has been previously reported. However, its role in energy homeostasis remains unknown. We investigated the metabolic phenotype of NOV(-/-) mice fed a standard or high-fat diet (HFD). Strikingly, the weight of NOV(-/-) mice was markedly lower than that of wild-type mice but only on an HFD. This was related to a significant decrease in fat mass associated with an increased proportion of smaller adipocytes and to a higher expression of genes involved in energy expenditure. NOV(-/-) mice fed an HFD displayed improved glucose tolerance and insulin sensitivity. Interestingly, the absence of NOV was associated with a change in macrophages profile (M1-like to M2-like), in a marked decrease in adipose tissue expression of several proinflammatory cytokines and chemokines, and in enhanced insulin signaling. Conversely, NOV treatment of adipocytes increased chemokine expression. Altogether, these results show that NOV is a new adipocytokine that could be involved in obesity-associated insulin-resistance.
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Affiliation(s)
- Cécile Martinerie
- Sorbonne Universities, Pierre and Marie Curie University Paris 06, INSERM, Saint-Antoine Research Center, Saint-Antoine Hospital, Paris, France Hospitalo-Universitary Institute, ICAN, Paris, France
| | - Marie Garcia
- Sorbonne Universities, Pierre and Marie Curie University Paris 06, INSERM, Saint-Antoine Research Center, Saint-Antoine Hospital, Paris, France Hospitalo-Universitary Institute, ICAN, Paris, France
| | - Thi Thu Huong Do
- Sorbonne Universities, Pierre and Marie Curie University Paris 06, INSERM, Saint-Antoine Research Center, Saint-Antoine Hospital, Paris, France Hospitalo-Universitary Institute, ICAN, Paris, France
| | - Bénédicte Antoine
- Sorbonne Universities, Pierre and Marie Curie University Paris 06, INSERM, Saint-Antoine Research Center, Saint-Antoine Hospital, Paris, France Hospitalo-Universitary Institute, ICAN, Paris, France
| | - Marthe Moldes
- Sorbonne Universities, Pierre and Marie Curie University Paris 06, INSERM, Saint-Antoine Research Center, Saint-Antoine Hospital, Paris, France Hospitalo-Universitary Institute, ICAN, Paris, France
| | - Guillaume Dorothee
- Sorbonne Universities, Pierre and Marie Curie University Paris 06, INSERM, Saint-Antoine Research Center, Saint-Antoine Hospital, Paris, France
| | - Chantal Kazazian
- Sorbonne Universities, Pierre and Marie Curie University Paris 06, INSERM, Saint-Antoine Research Center, Saint-Antoine Hospital, Paris, France Hospitalo-Universitary Institute, ICAN, Paris, France
| | - Martine Auclair
- Sorbonne Universities, Pierre and Marie Curie University Paris 06, INSERM, Saint-Antoine Research Center, Saint-Antoine Hospital, Paris, France Hospitalo-Universitary Institute, ICAN, Paris, France
| | - Marion Buyse
- Sorbonne Universities, Pierre and Marie Curie University Paris 06, INSERM, Saint-Antoine Research Center, Saint-Antoine Hospital, Paris, France Hospitalo-Universitary Institute, ICAN, Paris, France Department of Pharmacy, Assistance Publique-Hôpitaux de Paris, Saint-Antoine Hospital, Paris, France Paris-Sud University, EA 4123, Châtenay-Malabry, France
| | - Tatiana Ledent
- Sorbonne Universities, Pierre and Marie Curie University Paris 06, INSERM, Saint-Antoine Research Center, Saint-Antoine Hospital, Paris, France
| | - Pierre-Olivier Marchal
- Sorbonne Universities, Pierre and Marie Curie University Paris 06, INSERM, Saint-Antoine Research Center, Saint-Antoine Hospital, Paris, France Hospitalo-Universitary Institute, ICAN, Paris, France
| | - Maria Fesatidou
- Sorbonne Universities, Pierre and Marie Curie University Paris 06, INSERM, Saint-Antoine Research Center, Saint-Antoine Hospital, Paris, France Hospitalo-Universitary Institute, ICAN, Paris, France
| | - Adrien Beisseiche
- Sorbonne Universities, Pierre and Marie Curie University Paris 06, INSERM, Cordeliers Research Center, Paris, France
| | - Haruhiko Koseki
- RIKEN Research Center for Allergy and Immunology (RCAI), RIKEN Yokohama Institute, Yokohama, Japan
| | - Shuichi Hiraoka
- Department of Biochemistry, Kobe Pharmaceutical University, Kobe, Japan
| | | | - Bertrand Blondeau
- Sorbonne Universities, Pierre and Marie Curie University Paris 06, INSERM, Cordeliers Research Center, Paris, France
| | | | - Serge Luquet
- Sorbonne Paris City University, Paris Diderot University, BFA, CNRS, Paris, France
| | - Bruno Fève
- Sorbonne Universities, Pierre and Marie Curie University Paris 06, INSERM, Saint-Antoine Research Center, Saint-Antoine Hospital, Paris, France Hospitalo-Universitary Institute, ICAN, Paris, France Department of Endocrinology, Paris, Assistance Publique-Hôpitaux de Paris, Saint-Antoine Hospital, Paris, France
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12
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Butler GS, Connor AR, Sounni NE, Eckhard U, Morrison CJ, Noël A, Overall CM. Degradomic and yeast 2-hybrid inactive catalytic domain substrate trapping identifies new membrane-type 1 matrix metalloproteinase (MMP14) substrates: CCN3 (Nov) and CCN5 (WISP2). Matrix Biol 2016; 59:23-38. [PMID: 27471094 DOI: 10.1016/j.matbio.2016.07.006] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2016] [Revised: 07/19/2016] [Accepted: 07/19/2016] [Indexed: 12/20/2022]
Abstract
Members of the CCN family of matricellular proteins are cytokines linking cells to the extracellular matrix. We report that CCN3 (Nov) and CCN5 (WISP2) are novel substrates of MMP14 (membrane-type 1-matrix metalloproteinase, MT1-MMP) that we identified using MMP14 "inactive catalytic domain capture" (ICDC) as a yeast two-hybrid protease substrate trapping platform in parallel with degradomics mass spectrometry screens for MMP14 substrates. CCN3 and CCN5, previously unknown substrates of MMPs, were biochemically validated as substrates of MMP14 and other MMPs in vitro-CCN5 was processed in the variable region by MMP14 and MMP2, as well as by MMP1, 3, 7, 8, 9 and 15. CCN1, 2 and 3 are proangiogenic factors yet we found novel opposing activity of CCN5 that was potently antiangiogenic in an aortic ring vessel outgrowth model. MMP14, a known regulator of angiogenesis, cleaved CCN5 and abrogated the angiostatic activity. CCN3 was also processed in the variable region by MMP14 and MMP2, and by MMP1, 8 and 9. In addition to the previously reported cleavages of CCN1 and CCN2 by several MMPs we found that MMPs 8, 9, and 1 process CCN1, and MMP8 and MMP9 also process CCN2. Thus, our study reveals additional and pervasive family-wide processing of CCN matricellular proteins/cytokines by MMPs. Furthermore, CCN5 cleavage by proangiogenic MMPs results in removal of an angiogenic brake held by CCN5. This highlights the importance of thorough dissection of MMP substrates that is needed to reveal higher-level control mechanisms beyond type IV collagen and other extracellular matrix protein remodelling in angiogenesis. SUMMARY We find CCN family member cleavage by MMPs is more pervasive than previously reported and includes CCN3 (Nov) and CCN5 (WISP2). CCN5 is a novel antiangiogenic factor, whose function is abrogated by proangiogenic MMP cleavage. By processing CCN proteins, MMPs regulate cell responses angiogenesis in connective tissues.
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Affiliation(s)
- Georgina S Butler
- Centre for Blood Research, Departments of Oral Biological & Medical Sciences, Faculty of Dentistry, University of British Columbia, Vancouver, Canada
| | - Andrea R Connor
- Centre for Blood Research, Departments of Oral Biological & Medical Sciences, Faculty of Dentistry, University of British Columbia, Vancouver, Canada
| | - Nor Eddine Sounni
- Centre for Blood Research, Departments of Oral Biological & Medical Sciences, Faculty of Dentistry, University of British Columbia, Vancouver, Canada
| | - Ulrich Eckhard
- Centre for Blood Research, Departments of Oral Biological & Medical Sciences, Faculty of Dentistry, University of British Columbia, Vancouver, Canada
| | - Charlotte J Morrison
- Centre for Blood Research, Departments of Oral Biological & Medical Sciences, Faculty of Dentistry, University of British Columbia, Vancouver, Canada
| | - Agnès Noël
- Centre for Blood Research, Departments of Oral Biological & Medical Sciences, Faculty of Dentistry, University of British Columbia, Vancouver, Canada
| | - Christopher M Overall
- Centre for Blood Research, Departments of Oral Biological & Medical Sciences, Faculty of Dentistry, University of British Columbia, Vancouver, Canada.
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Smith CL, Kilic O, Schiapparelli P, Guerrero-Cazares H, Kim DH, Sedora-Roman NI, Gupta S, O'Donnell T, Chaichana KL, Rodriguez FJ, Abbadi S, Park J, Quiñones-Hinojosa A, Levchenko A. Migration Phenotype of Brain-Cancer Cells Predicts Patient Outcomes. Cell Rep 2016; 15:2616-24. [PMID: 27292647 DOI: 10.1016/j.celrep.2016.05.042] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2015] [Revised: 02/24/2016] [Accepted: 05/09/2016] [Indexed: 01/11/2023] Open
Abstract
Glioblastoma multiforme is a heterogeneous and infiltrative cancer with dismal prognosis. Studying the migratory behavior of tumor-derived cell populations can be informative, but it places a high premium on the precision of in vitro methods and the relevance of in vivo conditions. In particular, the analysis of 2D cell migration may not reflect invasion into 3D extracellular matrices in vivo. Here, we describe a method that allows time-resolved studies of primary cell migration with single-cell resolution on a fibrillar surface that closely mimics in vivo 3D migration. We used this platform to screen 14 patient-derived glioblastoma samples. We observed that the migratory phenotype of a subset of cells in response to platelet-derived growth factor was highly predictive of tumor location and recurrence in the clinic. Therefore, migratory phenotypic classifiers analyzed at the single-cell level in a patient-specific way can provide high diagnostic and prognostic value for invasive cancers.
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Affiliation(s)
- Chris L Smith
- Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA; Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA
| | - Onur Kilic
- Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA
| | - Paula Schiapparelli
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA
| | - Hugo Guerrero-Cazares
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA
| | - Deok-Ho Kim
- Department of Bioengineering, University of Washington, Seattle, WA 98195, USA
| | - Neda I Sedora-Roman
- Department of Radiology, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
| | - Saksham Gupta
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA; Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA
| | - Thomas O'Donnell
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA; Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA
| | - Kaisorn L Chaichana
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA
| | - Fausto J Rodriguez
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA
| | - Sara Abbadi
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA
| | - JinSeok Park
- Department of Biomedical Engineering and Yale Systems Biology Institute, Yale University, New Haven, CT 06516, USA
| | | | - Andre Levchenko
- Department of Biomedical Engineering and Yale Systems Biology Institute, Yale University, New Haven, CT 06516, USA.
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14
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Moazedi-Fuerst FC, Gruber G, Stradner MH, Guidolin D, Jones JC, Bodo K, Wagner K, Peischler D, Krischan V, Weber J, Sadoghi P, Glehr M, Leithner A, Graninger WB. Effect of Laminin-A4 inhibition on cluster formation of human osteoarthritic chondrocytes. J Orthop Res 2016; 34:419-26. [PMID: 26295200 PMCID: PMC5727909 DOI: 10.1002/jor.23036] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2015] [Accepted: 08/14/2015] [Indexed: 02/04/2023]
Abstract
Formation of chondrocyte clusters is not only a morphological sign of osteoarthritis but it is also observed in cell culture. Active locomotion of chondrocytes is controlled by integrins in vitro. Integrins bind to Laminin-A4 (LAMA4), a protein that is highly expressed in vivo in clusters of hypertrophic chondrocytes. We tested if LAMA4 is relevant for cluster formation. Human chondrocytes were cultured in a 2D matrigel model and treated with different concentrations of a monoclonal inhibitory anti-LAMA4-antibody. Migration and cluster formation was analysed using live cell imaging technique. Full genome gene expression analysis was performed to assess the effect of LAMA4 inhibition. The data set were screened for genes relevant to cell motility. F-actin staining was performed to document cytoskeletal changes. Anti-LAMA4 treatment significantly reduced the rate of cluster formation in human chondrocytes. Cells changed their surface morphology and exhibited fewer protrusions. Expression of genes associated with cellular motility and migration was affected by anti-LAMA4 treatment. LAMA4-integrin signalling affects chondrocyte morphology and gene expression in vitro, thereby contributing to cluster formation in human osteoarthritic chondrocytes.
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Affiliation(s)
| | - Gerald Gruber
- Department of Orthopaedic Surgery, Medical University Graz
| | | | - Diego Guidolin
- Department of Molecular Medicine, Section of Anatomy, University of Padua
| | - Jonathan C. Jones
- Cell and Molecular Biology, Feinberg School of Medicine, Northwestern University, Chicago
| | - Koppany Bodo
- Department of Pathology, Medical University Graz
| | - Karin Wagner
- Center of Medical Research, Corefacility Molecular biology, Medical University Graz
| | | | - Verena Krischan
- Division of Rheumatology and Immunology, Medical University Graz
| | - Jennifer Weber
- Division of Rheumatology and Immunology, Medical University Graz
| | | | - Mathias Glehr
- Department of Orthopaedic Surgery, Medical University Graz
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15
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Brown KJ, Seol H, Pillai DK, Sankoorikal BJ, Formolo CA, Mac J, Edwards NJ, Rose MC, Hathout Y. The human secretome atlas initiative: implications in health and disease conditions. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2013; 1834:2454-61. [PMID: 23603790 DOI: 10.1016/j.bbapap.2013.04.007] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 12/14/2012] [Revised: 03/26/2013] [Accepted: 04/11/2013] [Indexed: 01/24/2023]
Abstract
Proteomic analysis of human body fluids is highly challenging, therefore many researchers are redirecting efforts toward secretome profiling. The goal is to define potential biomarkers and therapeutic targets in the secretome that can be traced back in accessible human body fluids. However, currently there is a lack of secretome profiles of normal human primary cells making it difficult to assess the biological meaning of current findings. In this study we sought to establish secretome profiles of human primary cells obtained from healthy donors with the goal of building a human secretome atlas. Such an atlas can be used as a reference for discovery of potential disease associated biomarkers and eventually novel therapeutic targets. As a preliminary study, secretome profiles were established for six different types of human primary cell cultures and checked for overlaps with the three major human body fluids including plasma, cerebrospinal fluid and urine. About 67% of the 1054 identified proteins in the secretome of these primary cells occurred in at least one body fluid. Furthermore, comparison of the secretome profiles of two human glioblastoma cell lines to this new human secretome atlas enabled unambiguous identification of potential brain tumor biomarkers. These biomarkers can be easily monitored in different body fluids using stable isotope labeled standard proteins. The long term goal of this study is to establish a comprehensive online human secretome atlas for future use as a reference for any disease related secretome study. This article is part of a Special Issue entitled: An Updated Secretome.
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Affiliation(s)
- Kristy J Brown
- Center for Genetic Medicine Research, Children's National Medical Center, Washington DC 20010, USA
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16
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Laurent M, Maryvonne L, Le Dréau G, Gwenvaël LD, Guillonneau X, Xavier G, Lelièvre E, Cécile LE, Slembrouck A, Amélie S, Goureau O, Olivier G, Martinerie C, Cécile M, Marx M, Maria M. Temporal and spatial expression of CCN3 during retina development. Dev Neurobiol 2012; 72:1363-75. [PMID: 22038708 DOI: 10.1002/dneu.20994] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2011] [Accepted: 10/20/2011] [Indexed: 12/21/2022]
Abstract
NOV/CCN3 is one of the founding members of the CCN (Cyr61 CTGF NOV) family. In the avian retina, CCN3 expression is mostly located within the central region of the inner nuclear layer. As retinal development progresses and this retinal layer differentiates and matures, CCN3 expression forms a dorsal-ventral and a central-peripheral gradient. CCN3 is produced by two glial cell types, peripapillary cells and Müller cells, as well as by horizontal, amacrine, and bipolar interneurons. In retinal neurons and Müller cell cultures, CCN3 expression is induced by activated BMP signaling, whereas Notch signaling decreases CCN3 mRNA and protein levels in Müller cells and has no effect in retinal neurons. In Müller cells, the CCN3 expression detected may thus result from a balance between the Notch and BMP signaling pathways.
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Affiliation(s)
- Maryvonne Laurent
- INSERM UMR S938 Centre de Recherche de Saint-Antoine, Hôpital Saint Antoine Paris F 75012, France.
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17
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NOV/CCN3 attenuates inflammatory pain through regulation of matrix metalloproteinases-2 and -9. J Neuroinflammation 2012; 9:36. [PMID: 22353423 PMCID: PMC3332238 DOI: 10.1186/1742-2094-9-36] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2011] [Accepted: 02/21/2012] [Indexed: 01/07/2023] Open
Abstract
Background Sustained neuroinflammation strongly contributes to the pathogenesis of pain. The clinical challenge of chronic pain relief led to the identification of molecules such as cytokines, chemokines and more recently matrix metalloproteinases (MMPs) as putative therapeutic targets. Evidence points to a founder member of the matricial CCN family, NOV/CCN3, as a modulator of these inflammatory mediators. We thus investigated the possible involvement of NOV in a preclinical model of persistent inflammatory pain. Methods We used the complete Freund's adjuvant (CFA)-induced model of persistent inflammatory pain and cultured primary sensory neurons for in vitro experiments. The mRNA expression of NOV and pro-inflammatory factors were measured with real-time quantitative PCR, CCL2 protein expression was assessed using ELISA, MMP-2 and -9 activities using zymography. The effect of drugs on tactile allodynia was evaluated by the von Frey test. Results NOV was expressed in neurons of both dorsal root ganglia (DRG) and dorsal horn of the spinal cord (DHSC). After intraplantar CFA injection, NOV levels were transiently and persistently down-regulated in the DRG and DHSC, respectively, occurring at the maintenance phase of pain (15 days). NOV-reduced expression was restored after treatment of CFA rats with dexamethasone. In vitro, results based on cultured DRG neurons showed that siRNA-mediated inhibition of NOV enhanced IL-1β- and TNF-α-induced MMP-2, MMP-9 and CCL2 expression whereas NOV addition inhibited TNF-α-induced MMP-9 expression through β1 integrin engagement. In vivo, the intrathecal delivery of MMP-9 inhibitor attenuated mechanical allodynia of CFA rats. Importantly, intrathecal administration of NOV siRNA specifically led to an up-regulation of MMP-9 in the DRG and MMP-2 in the DHSC concomitant with increased mechanical allodynia. Finally, NOV intrathecal treatment specifically abolished the induction of MMP-9 in the DRG and, MMP-9 and MMP-2 in the DHSC of CFA rats. This inhibitory effect on MMP is associated with reduced mechanical allodynia. Conclusions This study identifies NOV as a new actor against inflammatory pain through regulation of MMPs thus uncovering NOV as an attractive candidate for therapeutic improvement in pain relief.
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18
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Fan W, Zhou K, Hu D, Song X, Zhao Y, Chen H, Wei Q, Chen G, Shi J, Du G, Mao Y, Lu D, Zhou L. Single nucleotide polymorphisms of matrix metallopeptidase 3 and risk of gliomas in a Chinese Han population. Mol Carcinog 2011; 51 Suppl 1:E1-10. [PMID: 21853476 DOI: 10.1002/mc.20842] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2011] [Revised: 06/16/2011] [Accepted: 07/13/2011] [Indexed: 12/30/2022]
Abstract
Matrix metallopeptidases (MMPs) play an important role in central nervous system tumor growth, invasion and spreading. The currently available data provide clear evidence for the involvement of MMP3 in the pathophysiology of glioma. The study aims to explore the association of single nucleotide polymorphisms (SNPs) across the MMP3 gene with glioma risk. Three haplotype tagging and additional two promoter SNPs were genotyped among 766 glioma patients and 824 cancer-free controls from East China. None of these polymorphisms alone had a significant effect on risk of gliomas. However, when three promoter polymorphisms were evaluated together by the number of putative risk of genotypes (i.e., rs645419AA, 632478CA+AA, rs522616AA), a statistically significantly increased risk of gliomas was associated with the combined genotypes with two to three risk genotypes, compared with those with zero to one risk genotypes (adjusted odds ratio (OR) = 1.32; 95% confidence interval (CI) = 1.03-1.68). This increased risk was also more pronounced among adults (adjusted OR = 1.14, 95%CI = 1.02-1.27), males (adjusted OR = 1.19, 95%CI = 1.05-1.36), smokers (adjusted OR = 1.28, 95%CI = 1.07-1.52), subjects with no family history of cancer (adjusted OR = 1.21, 95%CI = 1.07-1.37), and patients with nonastrocytic gliomas (adjusted OR = 1.23, 95%CI = 1.06-1.43). In summary, our results suggest that any one of MMP3 variants may not have a substantial effect on glioma risk, but a joint effect of MMP3 promoter polymorphisms may contribute to risk of gliomas, particularly for adult gliomas.
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Affiliation(s)
- Weiwei Fan
- State Key Laboratory of Genetic Engineering and MOE Key Laboratory of Contemporary Anthropology, School of Life Sciences and Institutes for Biomedical Sciences, Fudan University, Shanghai, China
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Yang W, Wagener J, Wolf N, Schmidt M, Kimmig R, Winterhager E, Gellhaus A. Impact of CCN3 (NOV) glycosylation on migration/invasion properties and cell growth of the choriocarcinoma cell line Jeg3. Hum Reprod 2011; 26:2850-60. [PMID: 21784733 DOI: 10.1093/humrep/der239] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Recently we have shown that the matricellular CCN3 protein expressed in invasive extravillous trophoblast cells (EVTs) is decreased in early-onset pre-eclampsia and is regulated by oxygen tension. Pathogenesis of pre-eclampsia relies on a shallow invasion of EVTs into the spiral arteries, which leads to hypoxia accompanied by uteroplacental insufficiency. Here we investigated the function of glycosylated and non-glycosylated CCN3 protein on cell growth as well as migration and invasion properties of the malignant trophoblast cell line Jeg3 which is a widely used model for the invasive trophoblast. METHODS AND RESULTS Stable transfection of Jeg3 choriocarcinoma cells with full length CCN3 resulted in high expression of secreted glycosylated and cellular non-glycosylated CCN3. These cells revealed significantly reduced growth in cell numbers combined with a significantly increased migratory and invasive capacity. Matrix metalloprotease (MMP)-2 and MMP-9 activities were enhanced dependent on CCN3 expression, which could be confirmed by CCN3 knockdown studies. Using recombinant glycosylated and non-glycosylated CCN3, we revealed that CCN3 decreased growth in Jeg3 cell numbers independent of its glycosylation status, whereas only non-glycosylated CCN3 was able to enhance migration and invasion properties. CONCLUSIONS The present results suggest that CCN3 protein regulates the decrease in Jeg3 cell numbers independent of its glycosylation status, whereas migratory and invasive properties are influenced only by non-glycosylated CCN3. An impaired balance in the expression of glycosylated and non-glycosylated CCN3 could contribute to the shallow invasion of EVTs observed in pre-eclampsia.
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Affiliation(s)
- Wei Yang
- Department of Molecular Biology, University Hospital Essen, 45145 Essen, Germany
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20
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Zhang Y, Wang C. Nephroblastoma overexpressed (NOV/CCN3) gene: a paired-domain-specific PAX3-FKHR transcription target that promotes survival and motility in alveolar rhabdomyosarcoma cells. Oncogene 2011; 30:3549-62. [PMID: 21423212 DOI: 10.1038/onc.2011.69] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The CCN (Cy61, CTGF and NOV) family of proteins is a group of matricellular biomolecules involved in both physiological and pathological processes. Elevated expression of the CCN3 (also known as NOV, Nephroblastoma overexpressed) gene has been detected in clinical samples of the skeletal muscle cancer rhabdomyosarcoma, with the highest expression found in the alveolar subtype (aRMS). Over 80% of aRMSs are characterized by a chromosomal translocation-derived fusion transcription factor PAX3-FKHR. In this study, we linked elevated CCN3 levels in aRMS cells to PAX3-FKHR expression. We found reduced CCN3 levels in aRMS cells following small interfering RNA knockdown of PAX3-FKHR, and increased CCN3 levels in C2 myoblasts following ectopic expression of PAX3-FKHR. Promoter, electrophoretic mobility shift assay and chromatin immunoprecipitation analyses confirmed that the CCN3 gene was a direct target for PAX3-FKHR transcriptional activation through a paired-domain DNA sequence in the first intron of the CCN3 gene. To determine the function of CCN3, we showed that knockdown and ectopic expression of CCN3 decreased survival and increased differentiation in aRMS cells, respectively. In addition, we found that exogenously supplied CCN3 protein promoted aRMS cell adhesion, migration and Matrigel invasion. Taken together, data from this study have (1) provided a mechanistic basis for the CCN3 overexpression in aRMS cells, and (2) identified CCN3 as an autocrine/paracrine factor that contributes to the aggressive behavior of aRMS cells, perhaps through a positive feedback loop. Thus, CCN3 may be an attractive target for therapeutic intervention in aRMS.
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Affiliation(s)
- Y Zhang
- Center for Molecular Biology of Oral Diseases, University of Illinois at Chicago, Chicago, IL 60612, USA
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21
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Kular L, Pakradouni J, Kitabgi P, Laurent M, Martinerie C. The CCN family: A new class of inflammation modulators? Biochimie 2011; 93:377-88. [DOI: 10.1016/j.biochi.2010.11.010] [Citation(s) in RCA: 130] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2010] [Accepted: 11/24/2010] [Indexed: 01/12/2023]
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Hughes-Fulford M, Li CF. The role of FGF-2 and BMP-2 in regulation of gene induction, cell proliferation and mineralization. J Orthop Surg Res 2011; 6:8. [PMID: 21306641 PMCID: PMC3044105 DOI: 10.1186/1749-799x-6-8] [Citation(s) in RCA: 74] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2010] [Accepted: 02/09/2011] [Indexed: 11/29/2022] Open
Abstract
Introduction The difficulty in re-growing and mineralizing new bone after severe fracture can result in loss of ambulation or limb. Here we describe the sequential roles of FGF-2 in inducing gene expression, cell growth and BMP-2 in gene expression and mineralization of bone. Materials and methods The regulation of gene expression was determined using real-time RTPCR (qRTPCR) and cell proliferation was measured by thymidine incorporation or fluorescent analysis of DNA content in MC3T3E1 osteoblast-like cells. Photomicroscopy was used to identify newly mineralized tissue and fluorescence was used to quantify mineralization. Results Fibroblast growth factor-2 (FGF-2) had the greatest ability to induce proliferation after 24 hours of treatment when compared to transforming growth factor beta (TGFβ, insulin-like growth factor-1 (IGF-1), bone morphogenic protein (BMP-2), platelet derived growth factor (PDGF) or prostaglandin E2 (PGE2). We found that FGF-2 caused the most significant induction of expression of early growth response-1 (egr-1), fgf-2, cyclo-oxygenase-2 (cox-2), tgfβ and matrix metalloproteinase-3 (mmp-3) associated with proliferation and expression of angiogenic genes like vascular endothelial growth factor A (vegfA) and its receptor vegfr1. We found that FGF-2 significantly reduced gene expression associated with mineralization, e.g. collagen type-1 (col1a1), fibronectin (fn), osteocalcin (oc), IGF-1, noggin, bone morphogenic protein (bmp-2) and alkaline phosphatase (alp). In contrast, BMP-2 significantly stimulated expression of the mineralization associated genes but had little or no effect on gene expression associated with growth. Conclusions The ability of FGF-2 to re-program a mineralizing gene expression profile to one of proliferation suggests that FGF-2 plays a critical role of osteoblast growth in early fracture repair while BMP-2 is instrumental in stimulating mineralization.
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Affiliation(s)
- Millie Hughes-Fulford
- Department of Research, Veterans Affairs Medical Center, 4150 Clement Street, San Francisco, CA 94121, USA.
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Le Dréau G, Kular L, Nicot AB, Calmel C, Melik-Parsadaniantz S, Kitabgi P, Laurent M, Martinerie C. NOV/CCN3 upregulates CCL2 and CXCL1 expression in astrocytes through beta1 and beta5 integrins. Glia 2010; 58:1510-21. [PMID: 20648642 DOI: 10.1002/glia.21025] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Increasing evidence suggests that CCN matricellular proteins play important roles in inflammation. One of the major cell types that handle inflammation in the brain is the astrocyte, which, upon activation, dramatically increases its production of cytokines and chemokines. Here, we report that NOV/CCN3, added to primary cultured rat brain astrocytes, markedly increased the expression of CCL2 and CXCL1 chemokines, as indicated by ELISA and RT-qPCR assays. This effect was selective, as the production of thirteen other cytokines and chemokines was not affected by NOV. NOV expression by astrocytes was demonstrated by immunocytochemistry and Western blot analysis, and astrocyte transfection with NOV small interfering RNA (siRNA) markedly decreased CXCL1 and CCL2 production, indicating that endogenous NOV played a major role in the control of astrocytic chemokine synthesis. NOV was shown to mediate several of its actions through integrins. Here, we observed that siRNAs against integrins beta1 and beta5 decreased basal and abrogated NOV-stimulated astrocyte expression of CCL2 and CXCL1, respectively. Using a panel of kinase inhibitors, we demonstrated that NOV action on CCL2 and CXCL1 production involved a Rho/ROCK/JNK/NF-kappaB and a Rho/qROCK/p38/NF-kappaB pathway, respectively. Thus, distinct integrins and signaling mechanisms are involved in NOV-induced production of CCL2 and CXCL1 in astrocytes. Finally, astrocytic expression of NOV was detected in rat brain tissue sections, and NOV intracerebral injection increased CCL2 and CXCL1 brain levels in vivo. Altogether, our data shed light on the signaling pathways operated by NOV and strongly suggest that NOV mediates astrocyte activation and, therefore, might play a role in neuroinflammation.
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Affiliation(s)
- G Le Dréau
- INSERM, UMR_S 938, Centre de Recherche de Saint-Antoine, Hôpital Saint-Antoine, Paris, France
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Zheng L, Amano K, Iohara K, Ito M, Imabayashi K, Into T, Matsushita K, Nakamura H, Nakashima M. Matrix metalloproteinase-3 accelerates wound healing following dental pulp injury. THE AMERICAN JOURNAL OF PATHOLOGY 2009; 175:1905-14. [PMID: 19834065 DOI: 10.2353/ajpath.2009.080705] [Citation(s) in RCA: 85] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Matrix metalloproteinases (MMPs) are implicated in a wide range of physiological and pathological processes, including morphogenesis, wound healing, angiogenesis, inflammation, and cancer. Angiogenesis is essential for reparative dentin formation during pulp wound healing. The mechanism of angiogenesis, however, still remains unclear. We hypothesized that certain MMPs expressed during pulp wound healing may support recovery processes. To address this issue, a rat pulp injury model was established to investigate expression of MMPs during wound healing. Real-time RT-PCR analysis showed that expression MMP-3 and MMP-9 (albeit lower extent) was up-regulated at 24 and 12 hours after pulp injury, respectively, whereas expression of MMP-2 and MMP-14 was not changed. MMP-3 mRNA and protein were localized in endothelial cells and/or endothelial progenitor cells in injured pulp in vivo. In addition, MMP-3 enhanced proliferation, migration, and survival of human umbilical vein endothelial cells in vitro. Furthermore, the topical application of MMP-3 protein on the rat-injured pulp tissue in vivo induced angiogenesis and reparative dentin formation at significantly higher levels compared with controls at 24 and 72 hours after treatment, respectively. Inhibition of endogenous MMP-3 by N-Isobutyl-N-(4-methoxyphenylsulfonyl)-glycylhydroxamic acid resulted in untoward wound healing. These results provide suggestive evidence that MMP-3 released from endothelial cells and/or endothelial progenitor cells in injured pulp plays critical roles in angiogenesis and pulp wound healing.
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Affiliation(s)
- Li Zheng
- Department of Oral Disease Research, National Institute for Longevity Sciences, National Center for Geriatrics and Gerontology, Aichi, Japan
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Sin WC, Tse M, Planque N, Perbal B, Lampe PD, Naus CC. Matricellular protein CCN3 (NOV) regulates actin cytoskeleton reorganization. J Biol Chem 2009; 284:29935-44. [PMID: 19706598 DOI: 10.1074/jbc.m109.042630] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
CCN3 (NOV), a putative ligand for integrin receptors, is tightly associated with the extracellular matrix and mediates diverse cellular functions, including cell adhesion and proliferation. CCN3 has been shown to negatively regulate growth although it promotes migration in a cell type-specific manner. In this study, overexpression of CCN3 reduces growth and increases intercellular adhesion of breast cancer cells. Interestingly, CCN3 overexpression also led to the formation of multiple pseudopodia that are enriched in actin, CCN3, and vinculin. Breast cancer cells preincubated with exogenous CCN3 protein also induced the same phenotype, indicating that secreted CCN3 is sufficient to induce changes in cell morphology. Surprisingly, extracellular CCN3 is internalized to the early endosomes but not to the membrane protrusions, suggesting pseudopodia-enriched CCN3 may derive from a different source. The presence of an intracellular variant of CCN3 will be consistent with our finding that the cytoplasmic tail of the gap junction protein connexin43 (Cx43) associates with CCN3. Cx43 is a channel protein permitting intercellular communication to occur. However, neither the channel properties nor the protein levels of Cx43 are affected by the CCN3 protein. In contrast, CCN3 proteins are down-regulated in the absence of Cx43. Finally, we showed that overexpression of CCN3 increases the activity of the small GTPase Rac1, thereby revealing a pathway that links Cx43 directly to actin reorganization.
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Affiliation(s)
- Wun-Chey Sin
- Department of Cellular and Physiological Sciences and The Life Sciences Institute, University of British Columbia, Vancouver, British Columbia V6T1Z3, Canada.
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NOV/CCN3 promotes maturation of cerebellar granule neuron precursors. Mol Cell Neurosci 2009; 43:60-71. [PMID: 19286457 DOI: 10.1016/j.mcn.2009.02.011] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2008] [Revised: 02/09/2009] [Accepted: 02/26/2009] [Indexed: 12/20/2022] Open
Abstract
A body of evidence points to the matricial CCN proteins as key regulators of organogenesis. NOV/CCN3, a founder CCN member, is expressed in the developing central nervous system but its functions during neural development have not been studied yet. Here we describe the pattern of NOV expression during rat cerebellar postnatal development and show that NOV expression increases during the second postnatal week, a critical period for the maturation of granule neuron precursors (GNP). NOV transcripts are specifically produced by Purkinje neurons and NOV protein localises extracellularly in the molecular layer and the inner part of the external granule layer, at a key position to control GNP proliferation and migration. In vitro, NOV reduces Sonic Hedgehog-induced GNP proliferation through beta3 integrins and stimulation of GSK3-beta activity whereas NOV stimulates GNP migration through distinct RGD-dependent integrins. These findings identify a new paracrine role of NOV in the development of cerebellar granule neurons.
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Koutroulis I, Zarros A, Theocharis S. The role of matrix metalloproteinases in the pathophysiology and progression of human nervous system malignancies: a chance for the development of targeted therapeutic approaches? Expert Opin Ther Targets 2009; 12:1577-86. [PMID: 19007324 DOI: 10.1517/14728220802560307] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
BACKGROUND Matrix metalloproteinases (MMPs) are a group of zinc- dependent endopeptidases involved in the degradation of extracellular matrix components. MMPs have been implicated in a wide variety of physiological processes, such as angiogenesis, wound healing and tissue remodeling. However, recent studies have revealed a significant role for MMPs in tumorigenesis pathophysiology and prediction of patients' clinical outcome. Alterations in the regulation of MMP expression are thought to play an important role in the development and progression of central nervous system (CNS) malignancies. OBJECTIVE/METHODS This study provides an up-to-date review of the literature on the pathophysiologic involvement of MMPs in the development and progression of human CNS malignancies, as well as the potential use of natural and/or synthetic MMP-inhibitors (MMPIs) as a targeted therapeutic approach to this group of neoplasms. RESULTS/CONCLUSIONS The currently available data provide clear evidence for the involvement of MMPs in the pathophysiology of astrocytomas, glioblastomas, meningiomas, medulloblastomas/primitive neuroectodermal tumors and pituitary tumors. The use of MMPIs in the treatment of CNS malignancies has, until now, reached controversial (but mainly disappointing) results that can nevertheless provide the basis for further investigation. The co-administration of other agents, the use of surgery and/or radiation, and elimination of the MMPIs-induced adverse effects, as well as the use of antisense technology, might be the tools by which the natural and synthetic MMPIs could find their place in everyday clinical practice for the management of CNS malignancies.
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Affiliation(s)
- Ioannis Koutroulis
- National and Kapodistrian University of Athens, Medical School, Department of Forensic Medicine and Toxicology, Athens, Greece
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Becher OJ, Peterson KM, Khatua S, Santi MR, MacDonald TJ. IGFBP2 is overexpressed by pediatric malignant astrocytomas and induces the repair enzyme DNA-PK. J Child Neurol 2008; 23:1205-13. [PMID: 18952587 PMCID: PMC3674842 DOI: 10.1177/0883073808321766] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
To identify targets critical to malignant childhood astrocytoma, we compared the expression of receptor tyrosine kinase- associated genes between low-grade and high-grade pediatric astrocytomas. The highest differentially overexpressed gene in high-grade astrocytoma is insulin-like growth factor- binding protein-2 (P = .0006). Immunohistochemistry confirmed overexpression of insulin-like growth factor-binding protein-2 protein (P = .027). Insulin-like growth factor- binding protein-2 stimulation had no effect on astrocytoma cell growth and migration, and minimally inhibited insulin-like growth factor-1-mediated migration, but not insulin-like growth factor-2-mediated migration. However, insulin-like growth factor-binding protein-2 stimulation significantly upregulated the major DNA repair enzyme gene, DNA-PKcs, and induced DNA-dependent protein kinase catalytic subunit protein expression in a time-dependent and dose-dependent manner, whereas insulin-like growth factor-1 had no effect. DNA-PKcs is also highly overexpressed by high-grade astrocytomas. These findings suggest insulin-like growth factor-binding protein-2 plays a role in astrocytoma progression by promoting DNA-damage repair and therapeutic resistance.
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Affiliation(s)
- Oren J. Becher
- Center for Cancer and Immunology Research, Children's Research Institute, Washington DC
| | - Katia M. Peterson
- Center for Cancer and Immunology Research, Children's Research Institute, Washington DC
| | - Soumen Khatua
- Center for Cancer and Immunology Research, Children's Research Institute, Washington DC
| | - Maria R. Santi
- Department of Pathology (M.R.S.), Children's National Medical Center, Washington DC
| | - Tobey J. MacDonald
- Center for Cancer and Immunology Research, Children's Research Institute, Washington DC
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Matricellular proteins produced by melanocytes and melanomas: in search for functions. CANCER MICROENVIRONMENT 2008; 1:93-102. [PMID: 19308688 PMCID: PMC2654351 DOI: 10.1007/s12307-008-0009-0] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/04/2008] [Accepted: 02/28/2008] [Indexed: 11/03/2022]
Abstract
Matricellular proteins are modulators of cell-matrix interactions and cellular functions. The group includes thrombospondin, osteopontin, osteonectin/SPARC, tenascin, disintegrins, galectins and CCN proteins. The production of matricellular proteins such as osteopontin, SPARC or tenascin is highly upregulated in melanoma and other tumors but little is known about their functions in tumor growth, survival, and metastasis. The distribution pattern of CCN3 differs from most other matricellular proteins, such that it is produced abundantly by normal melanocytes, but is not significantly expressed in melanoma cells. CCN3 is known to inhibit melanocyte proliferation and stimulate adhesion to collagen type IV, the main component of the basement membrane. CCN3 has a unique role in securing adhesion of melanocytes to the basement membrane distinct from other melanoma-produced matricellular proteins which act as de-adhesive molecules and antagonists of focal adhesion. Qualitative and quantitative changes in matricellular protein expression contribute to melanoma progression similar to the E-cadherin to N-cadherin class switch, allowing melanoma cells to escape from keratinocyte control.
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Characterization of neuroprogenitor cells expressing the PDGF β-receptor within the subventricular zone of postnatal mice. Mol Cell Neurosci 2008; 37:507-18. [DOI: 10.1016/j.mcn.2007.11.006] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2007] [Revised: 11/09/2007] [Accepted: 11/12/2007] [Indexed: 12/17/2022] Open
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Vallacchi V, Daniotti M, Ratti F, Di Stasi D, Deho P, De Filippo A, Tragni G, Balsari A, Carbone A, Rivoltini L, Parmiani G, Lazar N, Perbal B, Rodolfo M. CCN3/nephroblastoma overexpressed matricellular protein regulates integrin expression, adhesion, and dissemination in melanoma. Cancer Res 2008; 68:715-23. [PMID: 18245471 DOI: 10.1158/0008-5472.can-07-2103] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
CCN3/nephroblastoma overexpressed belongs to the CCN family of genes that encode secreted proteins associated with the extracellular matrix (ECM) and exert regulatory effects at the cellular level. Overexpression of CCN3 was shown in metastatic melanoma cells compared with cells of the primary tumor from the same patient. Analysis of short-term cultures from 50 primary and metastatic melanomas revealed a heterogeneous expression pattern of both the 46-kDa full-length cytoplasmic/secreted protein and the 32-kDa nuclear-truncated form. The different protein expression patterns were not associated with gene alterations or polymorphisms. Like the metastatic cells expressing high levels of the 46-kDa CCN3, cells transfected to overexpress CCN3 showed increased adhesion to ECM proteins, whereas inhibition of CCN3 expression by small interfering RNA decreased adhesion to laminin and vitronectin. CCN3 overexpression induced increased expression of laminin and vitronectin integrin receptors alpha 7 beta 1 and alpha v beta 5 by increasing their mRNA production. Moreover, CCN3 secreted by melanoma cells acted as an adhesion matrix protein for melanoma cells themselves. Analysis of CCN3 protein expression with respect to melanoma progression detected the protein in all visceral metastases tested and in most nodal metastases from relapsing patients but in only a few nodal metastases from nonrelapsing patients and cutaneous metastases. Consistently, xenotransplantation in immunodeficient mice showed a higher metastatic potential of melanoma cells overexpressing CCN3. Together, these data indicate a role for CCN3 in melanoma cell interaction with the ECM by regulating integrin expression, resulting in altered cell adhesion and leading melanoma progression to aggressive disease.
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Affiliation(s)
- Viviana Vallacchi
- Unit of Immunotherapy of Human Tumors, Istituto Nazionale per lo Studio e la Cura dei Tumori, Milan, Italy
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Christensen ST, Pedersen SF, Satir P, Veland IR, Schneider L. The primary cilium coordinates signaling pathways in cell cycle control and migration during development and tissue repair. Curr Top Dev Biol 2008; 85:261-301. [PMID: 19147009 DOI: 10.1016/s0070-2153(08)00810-7] [Citation(s) in RCA: 119] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Cell cycle control and migration are critical processes during development and maintenance of tissue functions. Recently, primary cilia were shown to take part in coordination of the signaling pathways that control these cellular processes in human health and disease. In this review, we present an overview of the function of primary cilia and the centrosome in the signaling pathways that regulate cell cycle control and migration with focus on ciliary signaling via platelet-derived growth factor receptor alpha (PDGFRalpha). We also consider how the primary cilium and the centrosome interact with the extracellular matrix, coordinate Wnt signaling, and modulate cytoskeletal changes that impinge on both cell cycle control and cell migration.
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Affiliation(s)
- Søren T Christensen
- Department of Biology, Section of Cell and Developmental Biology, The August Krogh Building, University of Copenhagen, Universitetsparken 13, DK-2100 Copenhagen OE, Denmark
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van Roeyen CRC, Eitner F, Scholl T, Boor P, Kunter U, Planque N, Gröne HJ, Bleau AM, Perbal B, Ostendorf T, Floege J. CCN3 is a novel endogenous PDGF-regulated inhibitor of glomerular cell proliferation. Kidney Int 2008; 73:86-94. [PMID: 17914348 DOI: 10.1038/sj.ki.5002584] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
CCN proteins affect cell proliferation, migration, attachment, and differentiation. We identified CCN3 as a suppressed gene following platelet-derived growth factor (PDGF)-BB or -DD stimulation in a cDNA-array analysis of mesangial cells. In vitro growth-arrested mesangial cells overexpressed and secreted CCN3, whereas the addition of the recombinant protein inhibited cell growth. Induction of mesangial cell proliferation by PDGF-BB or the specific PDGF beta-receptor ligand PDGF-DD led to downregulation of CCN3 mRNA, confirming the array study. Specific PDGF alpha-receptor ligands had no effect. CCN3 protein was found in arterial smooth muscle cells, the medullary interstitium, and occasional podocytes in the healthy rat kidney. Glomerular CCN3 was low prior to mesangial proliferation but increased as glomerular cell proliferation subsided during mesangioproliferative glomerulonephritis (GN). Inhibition of PDGF-B in mesangioproliferative disease led to overexpression of glomerular CCN3 mRNA. CCN3 localized mostly to podocytes in human glomeruli, but this expression varied widely in different human glomerulonephritides. Glomerular cell proliferation negatively correlated with CCN3 expression in necrotizing GN. Our study identifies CCN3 as an endogenous inhibitor of mesangial cell growth and a modulator of PDGF-induced mitogenesis.
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Affiliation(s)
- C R C van Roeyen
- Department of Nephrology, RWTH Aachen University, Pauwelsstrasse 30, D-52057 Aachen, Germany
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Kim SY, Kim DH, Han SJ, Hyun JW, Kim HS. Repression of matrix metalloproteinase gene expression by ginsenoside Rh2 in human astroglioma cells. Biochem Pharmacol 2007; 74:1642-51. [PMID: 17880928 DOI: 10.1016/j.bcp.2007.08.015] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2007] [Revised: 08/13/2007] [Accepted: 08/14/2007] [Indexed: 11/20/2022]
Abstract
Matrix metalloproteinases (MMPs) play an important role in glioma infiltration, facilitating cell migration and tumor invasion through their ability to degrade the extracellular matrix. Therefore, the inhibition of MMPs has been suggested to be a promising therapeutic strategy for brain tumors. This study examined the effect of ginsenoside Rh2 on the expression of MMPs in human astroglioma cells. Rh2 inhibited the PMA-induced mRNA expression of MMP-1, -3, -9, and -14, suggesting that Rh2 has a broad-spectrum inhibitory effect on MMPs. The molecular mechanism underlying MMP-9 inhibition was further investigated because MMP-9 plays a major role in the invasiveness of glioma. It was found that Rh2 inhibited the secretion and protein expression of MMP-9 induced by PMA in human astroglioma cells. The Rh2-mediated inhibition of MMP-9 gene expression appears to occur through NF-kappaB and AP-1 because their DNA binding and transcriptional activities were suppressed by the agent. Furthermore, Rh2 significantly repressed the PMA-mediated activation of p38 MAPK, ERK and JNK, which are upstream modulators of NF-kappaB and AP-1. Finally, Rh2 inhibited the in vitro invasiveness of glioma cells, which might be attributed to the broad-spectrum inhibition of MMPs by Rh2. Overall, the strong inhibition of MMP expression by Rh2 might provide a potential therapeutic modality for brain tumors.
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Affiliation(s)
- So-Young Kim
- Department of Neuroscience and Medical Research Institute, College of Medicine, Ewha Womans University, Mok-6-dong 911-1, Yangchun-Ku, Seoul 158-710, Republic of Korea
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Abstract
Coculture of human melanocytes with keratinocytes upregulates CCN3, a matricellular protein critical to maintenance of normal homeostasis of melanocytes in the skin. CCN3 affects two fundamental features of melanocyte physiology: it inhibits melanocyte proliferation and stimulates their adhesion to the basement membrane. Here we report that expression of CCN3 is downregulated in advanced melanomas. Aggressive melanoma cell lines did not respond to treatment with CCN3 inducers, such as interleukin-1beta (IL-1beta), while less aggressive melanoma cell lines responded similarly to melanocytes. Immunostaining analyses revealed that CCN3 was present in melanoma cells close to the epidermal-dermal interface, but not in melanoma cells that had invaded deep into the dermis or had metastasized to lymph nodes. Contrary to our expectations, overexpression of CCN3 in 1205Lu metastatic melanoma cells did not affect their adhesion to collagen IV. However, CCN3 decreased the transcription and activation of matrix metalloproteinases and suppressed the invasion of 1205Lu melanoma cells. These results suggest that the lack of CCN3 in advanced melanoma cells contributes to their invasive phenotype. Whereas major matricellular proteins, such as osteopontin, tenascin or secreted protein acidic and rich in cysteine (SPARC), are strongly upregulated in melanoma cells; CCN3 is the first member of this family that is downregulated.
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Lafont J, Thibout H, Dubois C, Laurent M, Martinerie C. NOV/CCN3 induces adhesion of muscle skeletal cells and cooperates with FGF2 and IGF-1 to promote proliferation and survival. ACTA ACUST UNITED AC 2006; 12:41-57. [PMID: 16371345 DOI: 10.1080/15419060500383069] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
During mammalian development, expression of the Nephroblastoma overexpressed gene (NOV/CCN3) is tightly regulated in skeletal muscles. Ex vivo, ectopic expression of NOV blocks myogenic differentiation. NOV also supports endothelial cell adhesion and angiogenesis through interactions with integrins. Integrins play fundamental roles during myogenesis. In this study, we show that NOV mediates adhesion and spreading of myoblasts. Myoblasts adhesion to NOV does not require proteoglycans and is dependent on integrin beta1, whereas spreading involves another RGD-sensitive integrin. The C-Terminal part of NOV as well as full-length is able to support adhesion of myoblasts; in addition, both increase focal-adhesion kinase (FAK) phosphorylation. Furthermore, NOV is an adhesive substrate that, combined with FGF2 or IGF-1, promotes cell specific proliferation and survival, respectively, in a better way than fibronectin. Taken together, these results identify NOV as an adhesion substrate for myoblasts which, in concert with growth factors, could play a role in the physiology of muscle cells.
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Affiliation(s)
- Jerôme Lafont
- Institut National de la Santé et de la Recherche Médicale (INSERM), Paris, France
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Parisi MS, Gazzerro E, Rydziel S, Canalis E. Expression and regulation of CCN genes in murine osteoblasts. Bone 2006; 38:671-7. [PMID: 16311085 DOI: 10.1016/j.bone.2005.10.005] [Citation(s) in RCA: 77] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2005] [Revised: 09/20/2005] [Accepted: 10/11/2005] [Indexed: 10/25/2022]
Abstract
Members of the CCN family of genes include cysteine-rich 61 (CYR61), connective tissue growth factor (CTGF), nephroblastoma overexpressed (NOV), and Wnt-induced secreted proteins (WISP) 1, 2 and 3. CCN proteins play a role in cell differentiation and function, but their expression and function in skeletal tissue is partially understood. We examined the expression and regulation of CCN genes in primary cultures of murine osteoblasts treated with transforming growth factor beta (TGFbeta), bone morphogenetic protein (BMP)-2, or cortisol. Northern blot analysis revealed the presence of CYR61, CTGF, NOV, and WISP 1 and 2 transcripts in murine osteoblasts, but not WISP 3 transcripts. Northern and Western blot analyses revealed that TGF beta, BMP-2, and cortisol increased CYR61 and CTGF mRNA and protein levels. TGF beta decreased NOV and increased WISP 2 mRNA and protein levels, and TGF beta and BMP-2 increased, whereas cortisol decreased WISP 1 mRNA and protein levels. Nuclear run-on assays revealed that TGF beta, BMP-2 and cortisol enhanced CYR61 and CTGF transcription, TGF beta and BMP-2 induced and cortisol suppressed WISP 1, and TGF beta induced WISP 2 transcription. Suppression of NOV transcription could not be detected due to low control levels. In conclusion, five of the six known CCN genes are expressed by osteoblasts and their transcription is regulated by TGF beta, BMP-2 and cortisol.
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Affiliation(s)
- Muriel S Parisi
- Department of Research, Saint Francis Hospital and Medical Center, 114 Woodland Street, Hartford, CT 06105, USA
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Banerji L, Sattler M. Targeting mutated tyrosine kinases in the therapy of myeloid leukaemias. Expert Opin Ther Targets 2006; 8:221-39. [PMID: 15161429 DOI: 10.1517/14728222.8.3.221] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Myeloid leukaemias are frequently associated with translocations and mutations of tyrosine kinase genes. The products of these oncogenes, including BCR-ABL, TEL-PDGFR, Flt3 and c-Kit, have elevated tyrosine kinase activity and transform haematopoietic cells, mainly by augmentation of proliferation and enhanced viability. Activated ABL kinases are associated with chronic myeloid leukaemia. Mutations in platelet-derived growth factor receptor beta are associated with chronic myelomonocytic leukaemia. Flt3 or c-Kit cooperate with other types of oncogenes to create fully transformed acute leukaemias. Elevated activity of these tyrosine kinases is crucial for transformation, thus making the kinase domain an ideal target for therapeutic intervention. Tyrosine kinase inhibitors for various kinases are currently being evaluated in clinical trials and are potentially useful therapeutic agents in myeloid leukaemias. Here, the authors review the signalling activities, mechanism of transformation and therapeutic targeting of several tyrosine kinase oncogenes important in myeloid leukaemias.
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Affiliation(s)
- Lolita Banerji
- Dana-Farber Cancer Institute, Department of Medical Oncology, Boston, MA 02115, USA
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Sonabend AM, Ulasov IV, Lesniak MS. Conditionally replicative adenoviral vectors for malignant glioma. Rev Med Virol 2006; 16:99-115. [PMID: 16416455 DOI: 10.1002/rmv.490] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
High-grade gliomas constitute an important challenge to modern medicine, and although great effort has been made to prolong patient survival, the prognosis for this disease remains poor. Due to recent discoveries in the molecular basis of gliomas, gene therapy is becoming a promising alternative. In this review, we discuss the use of conditionally replicative adenoviral vectors (CRAd) and their applications in neuro-oncology. Such vectors, when rendered conditionally replicative via transductional and transcriptional modifications, offer great promise for patients with malignant brain tumours. We review data from preclinical and clinical studies utilising such vectors and discuss the limitations and future perspectives of CRAd oncolytic therapy for malignant glioma.
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Affiliation(s)
- Adam M Sonabend
- Division of Neurosurgery, The University of Chicago, Chicago, IL 60637, USA
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Schermuly RT, Dony E, Ghofrani HA, Pullamsetti S, Savai R, Roth M, Sydykov A, Lai YJ, Weissmann N, Seeger W, Grimminger F. Reversal of experimental pulmonary hypertension by PDGF inhibition. J Clin Invest 2005; 115:2811-21. [PMID: 16200212 PMCID: PMC1236676 DOI: 10.1172/jci24838] [Citation(s) in RCA: 784] [Impact Index Per Article: 39.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2005] [Accepted: 07/19/2005] [Indexed: 01/17/2023] Open
Abstract
Progression of pulmonary hypertension is associated with increased proliferation and migration of pulmonary vascular smooth muscle cells. PDGF is a potent mitogen and involved in this process. We now report that the PDGF receptor antagonist STI571 (imatinib) reversed advanced pulmonary vascular disease in 2 animal models of pulmonary hypertension. In rats with monocrotaline-induced pulmonary hypertension, therapy with daily administration of STI571 was started 28 days after induction of the disease. A 2-week treatment resulted in 100% survival, compared with only 50% in sham-treated rats. The changes in RV pressure, measured continuously by telemetry, and right heart hypertrophy were reversed to near-normal levels. STI571 prevented phosphorylation of the PDGF receptor and suppressed activation of downstream signaling pathways. Similar results were obtained in chronically hypoxic mice, which were treated with STI571 after full establishment of pulmonary hypertension. Moreover, expression of the PDGF receptor was found to be significantly increased in lung tissue from pulmonary arterial hypertension patients compared with healthy donor lung tissue. We conclude that STI571 reverses vascular remodeling and cor pulmonale in severe experimental pulmonary hypertension regardless of the initiating stimulus. This regimen offers a unique novel approach for antire-modeling therapy in progressed pulmonary hypertension.
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Affiliation(s)
- Ralph Theo Schermuly
- Department of Internal Medicine, Justus-Liebig-University Giessen, Giessen, Germany.
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Lafont J, Jacques C, Le Dreau G, Calhabeu F, Thibout H, Dubois C, Berenbaum F, Laurent M, Martinerie C. New target genes for NOV/CCN3 in chondrocytes: TGF-beta2 and type X collagen. J Bone Miner Res 2005; 20:2213-23. [PMID: 16294274 DOI: 10.1359/jbmr.050818] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2005] [Revised: 07/11/2005] [Accepted: 08/15/2005] [Indexed: 12/15/2022]
Abstract
UNLABELLED We studied the involvement of NOV/CCN3, whose function is poorly understood, in chondrocyte differentiation. NOV was found to upregulate TGF-beta2 and type X collagen and to act as a downstream effector of TGF-beta1 in ATDC5 and primary chondrocytes. Thus, NOV is a positive modulator of chondrogenesis. INTRODUCTION NOV/CCN3 is a matricellular protein that belongs to the CCN family. A growing body of evidence indicates that NOV could play a role in cell differentiation, particularly in chondrogenesis. During chick embryo development, NOV expression is tightly regulated in cartilage, and a high expression of NOV has been associated with cartilage differentiation in Wilms' tumors. However, a precise role for NOV and potential target genes of NOV in chondrogenesis are unknown. MATERIALS AND METHODS ATDC5 cells and primary chondrocytes were either treated with NOV recombinant protein or transfected with a NOV-specific siRNA to determine, using quantitative RT-PCR, the effect of NOV on the expression of several molecules involved in chondrocyte differentiation. Stable ATDC5 clones expressing NOV were also established to show that NOV was a downstream effector of TGF-beta1. RESULTS We established that NOV/CCN3 expression increases in ATDC5 cells at early stages of chondrogenic differentiation and precedes the appearance of TGF-beta2 and of several chondrocytic markers such as SOX9 or type X collagen. When exogenously administered, NOV recombinant protein up-regulates TGF-beta2 and type X collagen mRNA levels both in ATDC5 cells and in primary mouse chondrocytes but does not influence SOX9 expression. This regulation also occurs at the endogenous level because downregulation of NOV expression is correlated with an inhibition of TGF-beta2 and type X collagen in primary chondrocytes. Furthermore, we found that NOV expression is downregulated when chondrocytes are exposed to TGF-beta1-dedifferentiating treatment in chondrocytes, further providing evidence that NOV may counteract TGF-beta1 effects on chondrocytes. CONCLUSIONS This study provides the first characterization of two new targets of NOV involved in chondrocyte differentiation, shows that NOV acts with TGF-beta1 in a cascade of gene regulation, and indicates that NOV is a positive modulator of chondrogenesis.
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Affiliation(s)
- Jerome Lafont
- INSERM U515, Hôpital Saint-Antoine, Paris Cedex 12, France
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Benini S, Perbal B, Zambelli D, Colombo MP, Manara MC, Serra M, Parenza M, Martinez V, Picci P, Scotlandi K. In Ewing's sarcoma CCN3(NOV) inhibits proliferation while promoting migration and invasion of the same cell type. Oncogene 2005; 24:4349-61. [PMID: 15824736 DOI: 10.1038/sj.onc.1208620] [Citation(s) in RCA: 78] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Altered expression of CCN3 has been observed in a variety of musculoskeletal tumours, including Ewing's sarcoma (ES). Despite its widespread distribution, very little is known about its biological functions and molecular mechanisms of action. We transfected CCN3 gene into a CCN3-negative ES cell line and analysed the in vitro and in vivo behaviours of stably transfected clones. Forced expression of CCN3 significantly reduced cell proliferation in vitro, growth in anchorage-independent conditions, and tumorigenicity in nude mice. Despite the antiproliferative effect, CCN3-transfected ES cells displayed increased migration and invasion of Matrigel. The decreased expression of alpha2beta1 integrin receptor and the increased amount of cell surface-associated matrix metalloproteinase (MMP)-9 following the expression of CCN3 may be the basis for the increased migratory abilities of transfected cells. Cells lacking alpha2beta1 are less facilitated to have stable anchorage since the predominant collagen extracted from ES tissue is indeed type I collagen, and proMMP-9 was recently found to provide a cellular switch between stationary and migratory ES cell phase. Our findings are in line with those recently obtained in glioblastoma. However, the underlying molecular mechanisms appear to be different, further highlighting the importance of the cellular context in the regulation of function of CCN proteins.
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Affiliation(s)
- Stefania Benini
- Laboratorio di Ricerca Oncologica, Istituti Ortopedici Rizzoli, 40136 Bologna, Italy
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Lin CG, Chen CC, Leu SJ, Grzeszkiewicz TM, Lau LF. Integrin-dependent Functions of the Angiogenic Inducer NOV (CCN3). J Biol Chem 2005; 280:8229-37. [PMID: 15611078 DOI: 10.1074/jbc.m404903200] [Citation(s) in RCA: 103] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The novel angiogenic inducer CCN3 (NOV, nephroblastoma overexpressed) is a matricellular protein of the CCN family, which also includes CCN1 (CYR61), CCN2 (CTGF), CCN4 (WISP-1), CCN5 (WISP-2), and CCN6 (WISP-3). CCN3 is broadly expressed in derivatives of all three germ layers during mammalian development, and its deranged expression is associated with vascular injury and a broad range of tumors. We have shown that CCN3 promotes proangiogenic activities in vascular endothelial cells through integrin receptors and induces neovascularization in vivo (Lin, C. G., Leu, S. J., Chen, N., Tebeau, C. M., Lin, S. X., Yeung, C. Y., and Lau, L. F. (2003) J. Biol. Chem. 278, 24200-24208). In this study, we show that CCN3 is highly expressed in granulation tissue of cutaneous wounds 5-7 days after injury and is capable of inducing responses in primary fibroblasts consistent with wound healing. Purified CCN3 supports primary skin fibroblast adhesion through integrins alpha(5)beta(1) and alpha(6)beta(1) and induces fibroblast chemotaxis through integrin alpha(v)beta(5). We show that CCN3 is a novel ligand of alpha(v)beta(5) in a solid phase binding assay. Although not mitogenic on its own, CCN3 also enhances basic fibroblast growth factor-induced DNA synthesis. Furthermore, CCN3 up-regulates MMP-1 and PAI-1 expression but interacts with TGF-beta1 in an antagonistic or synergistic manner to regulate the expression of specific genes. These findings, together with its angiogenic activity, support a role for CCN3 in cutaneous wound healing in skin fibroblasts and establish its matricellular mode of action through integrin receptors.
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Affiliation(s)
- Cristiane G Lin
- Department of Biochemistry and Molecular Genetics, University of Illinois College of Medicine, Chicago, Illinois 60607-7170, USA
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Lin MT, Chang CC, Chen ST, Chang HL, Su JL, Chau YP, Kuo ML. Cyr61 expression confers resistance to apoptosis in breast cancer MCF-7 cells by a mechanism of NF-kappaB-dependent XIAP up-regulation. J Biol Chem 2004; 279:24015-23. [PMID: 15044484 DOI: 10.1074/jbc.m402305200] [Citation(s) in RCA: 161] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The aggressiveness of a tumor is partly attributed to its resistance to chemotherapeutic agent-induced apoptosis. Cysteine-rich 61 (Cyr61), from the CCN gene family, is a secreted and matrix-associated protein, which is involved in many cellular activities such as growth and differentiation. Here we established a cell model system to examine whether stable expression of Cyr61 in MCF-7 cells can confer resistance to apoptosis and identify possible participating mechanisms. We showed that stable cell lines overexpressing Cyr61 had acquired a remarkable resistance to apoptosis induced by paclitaxel, adriamycin, and beta-lapachone. Most interesting, gel shift and reporter assays showed that the Cyr61-overexpressing cells had significantly increased NF-kappaB activity compared with neo control cells. Blockage of NF-kappaB activity in Cyr61-expressing cells by transfecting with a dominant negative (DN)-IkappaB or with an NF-kappaB decoy rendered them more susceptible to anti-cancer drugs-induced apoptosis. In addition, several NF-kappaB-regulated anti-apoptotic genes were examined, and we found that only XIAP showed a significant 3-4-fold increase in mRNA and protein in Cyr61-overexpressing cells but not in neo control cells. Treatment with inhibitor of apoptosis protein (XIAP)-specific antisense, but not sense, oligonucleotides abolished the apoptosis resistance of the Cyr61-overexpressing cells. At the same time, transfection of these stable cells with DN-IkappaB to block NF-kappaB activity also effectively reduced the elevated XIAP level. Function-neutralizing antibodies to alpha(v)beta(3) and alpha(v)beta(5) could inhibit Cyr61-mediated NF-kappaB activation as well as XIAP expression. Taken together, our data suggested that Cyr61 plays an important role in resistance to chemotherapeutic agent-induced apoptosis in human breast cancer MCF-7 cells by a mechanism involving the activation of the integrins/NF-kappaB/XIAP signaling pathway.
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MESH Headings
- Active Transport, Cell Nucleus
- Antibiotics, Antineoplastic/pharmacology
- Antineoplastic Agents, Phytogenic/pharmacology
- Apoptosis
- Blotting, Western
- Breast Neoplasms/metabolism
- Breast Neoplasms/pathology
- Cell Division
- Cell Line, Tumor
- Cell Nucleus/metabolism
- Cell Survival
- Cysteine-Rich Protein 61
- DNA/metabolism
- Doxorubicin/pharmacology
- Flow Cytometry
- Genes, Dominant
- Genes, Reporter
- Humans
- Immediate-Early Proteins/biosynthesis
- Integrin alphaVbeta3/metabolism
- Integrins/metabolism
- Intercellular Signaling Peptides and Proteins/biosynthesis
- Microscopy, Fluorescence
- Models, Biological
- NF-kappa B/metabolism
- Naphthoquinones/metabolism
- Oligonucleotides, Antisense/metabolism
- Paclitaxel/pharmacology
- Promoter Regions, Genetic
- Proteins/metabolism
- RNA, Messenger/metabolism
- Receptors, Vitronectin/metabolism
- Reverse Transcriptase Polymerase Chain Reaction
- Signal Transduction
- Time Factors
- Transfection
- Up-Regulation
- X-Linked Inhibitor of Apoptosis Protein
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Affiliation(s)
- Ming-Tsan Lin
- Department of Surgery, National Taiwan University Hospital, Taipei
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