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Ning LJ, Zhang YJ, Zhang YJ, Zhu M, Ding W, Jiang YL, Zhang Y, Luo JC, Qin TW. Enhancement of Migration and Tenogenic Differentiation of Macaca Mulatta Tendon-Derived Stem Cells by Decellularized Tendon Hydrogel. Front Cell Dev Biol 2021; 9:651583. [PMID: 33987178 PMCID: PMC8111289 DOI: 10.3389/fcell.2021.651583] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Accepted: 04/06/2021] [Indexed: 02/05/2023] Open
Abstract
Decellularized tendon hydrogel from human or porcine tendon has been manufactured and found to be capable of augmenting tendon repair in vivo. However, no studies have clarified the effect of decellularized tendon hydrogel upon stem cell behavior. In the present study, we developed a new decellularized tendon hydrogel (T-gel) from Macaca mulatta, and investigated the effect of T-gel on the proliferation, migration and tenogenic differentiation of Macaca mulatta tendon-derived stem cells (mTDSCs). The mTDSCs were first identified to have universal stem cell characteristics, including clonogenicity, expression of mesenchymal stem cell and embryonic stem cell markers, and multilineage differentiation potential. Decellularization of Macaca mulatta Achilles tendons was confirmed to be effective by histological staining and DNA quantification. The resultant T-gel exhibited highly porous structure or similar nanofibrous structure and approximately swelling ratio compared to the collagen gel (C-gel). Interestingly, stromal cell-derived factor-1 (SDF-1) and fibromodulin (Fmod) inherent in the native tendon extracellular matrix (ECM) microenvironment were retained and the values of SDF-1 and Fmod in the T-gel were significantly higher than those found in the C-gel. Compared with the C-gel, the T-gel was found to be cytocompatible with NIH-3T3 fibroblasts and displayed good histocompatibility when implanted into rat subcutaneous tissue. More importantly, it was demonstrated that the T-gel supported the proliferation of mTDSCs and significantly promoted the migration and tenogenic differentiation of mTDSCs compared to the C-gel. These findings indicated that the T-gel, with its retained nanofibrous structure and some bioactive factors of native tendon ECM microenvironment, represents a promising hydrogel for tendon regeneration.
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Affiliation(s)
- Liang-Ju Ning
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, China
| | - Ya-Jing Zhang
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, China
| | - Yan-Jing Zhang
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, China.,Core Facility of West China Hospital, Sichuan University, Chengdu, China
| | - Min Zhu
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, China
| | - Wei Ding
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, China
| | - Yan-Lin Jiang
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, China
| | - Yi Zhang
- Core Facility of West China Hospital, Sichuan University, Chengdu, China
| | - Jing-Cong Luo
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, China
| | - Ting-Wu Qin
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, China
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2
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Niland S, Eble JA. Hold on or Cut? Integrin- and MMP-Mediated Cell-Matrix Interactions in the Tumor Microenvironment. Int J Mol Sci 2020; 22:ijms22010238. [PMID: 33379400 PMCID: PMC7794804 DOI: 10.3390/ijms22010238] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 12/21/2020] [Accepted: 12/23/2020] [Indexed: 02/07/2023] Open
Abstract
The tumor microenvironment (TME) has become the focus of interest in cancer research and treatment. It includes the extracellular matrix (ECM) and ECM-modifying enzymes that are secreted by cancer and neighboring cells. The ECM serves both to anchor the tumor cells embedded in it and as a means of communication between the various cellular and non-cellular components of the TME. The cells of the TME modify their surrounding cancer-characteristic ECM. This in turn provides feedback to them via cellular receptors, thereby regulating, together with cytokines and exosomes, differentiation processes as well as tumor progression and spread. Matrix remodeling is accomplished by altering the repertoire of ECM components and by biophysical changes in stiffness and tension caused by ECM-crosslinking and ECM-degrading enzymes, in particular matrix metalloproteinases (MMPs). These can degrade ECM barriers or, by partial proteolysis, release soluble ECM fragments called matrikines, which influence cells inside and outside the TME. This review examines the changes in the ECM of the TME and the interaction between cells and the ECM, with a particular focus on MMPs.
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Choi YE, Song MJ, Hara M, Imanaka-Yoshida K, Lee DH, Chung JH, Lee ST. Effects of Tenascin C on the Integrity of Extracellular Matrix and Skin Aging. Int J Mol Sci 2020; 21:ijms21228693. [PMID: 33217999 PMCID: PMC7698786 DOI: 10.3390/ijms21228693] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 11/14/2020] [Accepted: 11/16/2020] [Indexed: 12/17/2022] Open
Abstract
Tenascin C (TNC) is an element of the extracellular matrix (ECM) of various tissues, including the skin, and is involved in modulating ECM integrity and cell physiology. Although skin aging is apparently associated with changes in the ECM, little is known about the role of TNC in skin aging. In this study, we found that the Tnc mRNA level was significantly reduced in the skin tissues of aged mice compared with young mice, consistent with reduced TNC protein expression in aged human skin. TNC-large (TNC-L; 330-kDa) and -small (TNC-S; 240-kDa) polypeptides were observed in conditional media from primary dermal fibroblasts. Both recombinant TNC polypeptides, corresponding to TNC-L and TNC-S, increased the expression of type I collagen and reduced the expression of matrix metalloproteinase-1 in fibroblasts. Treatment of fibroblasts with a recombinant TNC polypeptide, corresponding to TNC-L, induced phosphorylation of SMAD2 and SMAD3. TNC increased the level of transforming growth factor-β1 (TGF-β1) mRNA and upregulated the expression of type I collagen by activating the TGF-β signaling pathway. In addition, TNC also promoted the expression of type I collagen in fibroblasts embedded in a three-dimensional collagen matrix. Our findings suggest that TNC contributes to the integrity of ECM in young skin and to prevention of skin aging.
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Affiliation(s)
- Young Eun Choi
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Korea;
| | - Min Ji Song
- Department of Dermatology, Seoul National University College of Medicine, Seoul 03080, Korea; (M.J.S.); (D.H.L.); (J.H.C.)
| | - Mari Hara
- Department of Pathology and Matrix Biology, Mie University Graduate School of Medicine, Tsu 514-8507, Japan; (M.H.); (K.I.-Y.)
| | - Kyoko Imanaka-Yoshida
- Department of Pathology and Matrix Biology, Mie University Graduate School of Medicine, Tsu 514-8507, Japan; (M.H.); (K.I.-Y.)
- Mie University Research Center for Matrix Biology, Tsu 514-8507, Japan
| | - Dong Hun Lee
- Department of Dermatology, Seoul National University College of Medicine, Seoul 03080, Korea; (M.J.S.); (D.H.L.); (J.H.C.)
- Institute of Human-Environment Interface Biology, Medical Research Center, Seoul National University, Seoul 03080, Korea
| | - Jin Ho Chung
- Department of Dermatology, Seoul National University College of Medicine, Seoul 03080, Korea; (M.J.S.); (D.H.L.); (J.H.C.)
- Institute of Human-Environment Interface Biology, Medical Research Center, Seoul National University, Seoul 03080, Korea
| | - Seung-Taek Lee
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Korea;
- Correspondence: ; Tel.: +82-2-2123-2703
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4
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Bisphenol A impaired cell adhesion by altering the expression of adhesion and cytoskeleton proteins on human podocytes. Sci Rep 2020; 10:16638. [PMID: 33024228 PMCID: PMC7538920 DOI: 10.1038/s41598-020-73636-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Accepted: 09/11/2020] [Indexed: 12/12/2022] Open
Abstract
Bisphenol A (BPA), a chemical -xenoestrogen- used in food containers is present in the urine of almost the entire population. Recently, several extensive population studies have proven a significant association between urinary excretion of BPA and albuminuria. The alteration of glomerular podocytes or "podocytopathy" is a common event in chronic albuminuric conditions. Since many podocytes recovered from patients' urine are viable, we hypothesized that BPA could impair podocyte adhesion capabilities. Using an in vitro adhesion assay, we observed that BPA impaired podocyte adhesion, an effect that was abrogated by Tamoxifen (an estrogen receptor blocker). Genomic and proteomic analyses revealed that BPA affected the expression of several podocyte cytoskeleton and adhesion proteins. Western blot and immunocytochemistry confirmed the alteration in the protein expression of tubulin, vimentin, podocin, cofilin-1, vinculin, E-cadherin, nephrin, VCAM-1, tenascin-C, and β-catenin. Moreover, we also found that BPA, while decreased podocyte nitric oxide production, it lead to overproduction of ion superoxide. In conclusion, our data show that BPA induced a novel type of podocytopathy characterizes by an impairment of podocyte adhesion, by altering the expression of adhesion and cytoskeleton proteins. Moreover, BPA diminished production of podocyte nitric oxide and induced the overproduction of oxygen-free metabolites. These data provide a mechanism by which BPA could participate in the pathogenesis and progression of renal diseases.
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5
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Gonçalves AI, Berdecka D, Rodrigues MT, Eren AD, de Boer J, Reis RL, Gomes ME. Evaluation of tenogenic differentiation potential of selected subpopulations of human adipose-derived stem cells. J Tissue Eng Regen Med 2019; 13:2204-2217. [PMID: 31606945 DOI: 10.1002/term.2967] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Revised: 09/11/2019] [Accepted: 09/25/2019] [Indexed: 12/24/2022]
Abstract
Identification of a suitable cell source and bioactive agents guiding cell differentiation towards tenogenic phenotype represents a prerequisite for advancement of cell-based therapies for tendon repair. Human adipose-derived stem cells (hASCs) are a promising, yet intrinsically heterogenous population with diversified differentiation capacities. In this work, we investigated antigenically-defined subsets of hASCs expressing markers related to tendon phenotype or associated with pluripotency that might be more prone to tenogenic differentiation, when compared to unsorted hASCs. Subpopulations positive for tenomodulin (TNMD+ hASCs) and stage specific early antigen 4 (SSEA-4+ hASCs), as well as unsorted ASCs were cultured up to 21 days in basic medium or media supplemented with TGF-β3 (10 ng/ml), or GDF-5 (50 ng/ml). Cell response was evaluated by analysis of expression of tendon-related markers at gene level and protein level by real time RT-PCR, western blot, and immunocytochemistry. A significant upregulation of scleraxis was observed for both subpopulations and unsorted hASCs in the presence of TGF-β3. More prominent alterations in gene expression profile in response to TGF-β3 were observed for TNMD+ hASCs. Subpopulations evidenced an increased collagen III and TNC deposition in basal medium conditions in comparison with unsorted hASCs. In the particular case of TNMD+ hASCs, GDF-5 seems to influence more the deposition of TNC. Within hASCs populations, discrete subsets could be distinguished offering varied sensitivity to specific biochemical stimulation leading to differential expression of tenogenic components suggesting that cell subsets may have distinctive roles in the complex biological responses leading to tenogenic commitment to be further explored in cell based strategies for tendon tissues.
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Affiliation(s)
- Ana I Gonçalves
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Guimarães, Portugal.,ICVS/3B's-PT Government Associate Laboratory, Braga, Portugal
| | - Dominika Berdecka
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Guimarães, Portugal.,ICVS/3B's-PT Government Associate Laboratory, Braga, Portugal
| | - Márcia T Rodrigues
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Guimarães, Portugal.,ICVS/3B's-PT Government Associate Laboratory, Braga, Portugal.,The Discoveries Centre for Regenerative and Precision Medicine, Headquarters at University of Minho, Guimarães, Portugal
| | - Aysegul Dede Eren
- MERLN Institute for Technology-Inspired Regenerative Medicine, Department of Cell Biology-Inspired Tissue Engineering, Maastricht, The Netherlands
| | - Jan de Boer
- MERLN Institute for Technology-Inspired Regenerative Medicine, Department of Cell Biology-Inspired Tissue Engineering, Maastricht, The Netherlands
| | - Rui L Reis
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Guimarães, Portugal.,ICVS/3B's-PT Government Associate Laboratory, Braga, Portugal.,The Discoveries Centre for Regenerative and Precision Medicine, Headquarters at University of Minho, Guimarães, Portugal
| | - Manuela E Gomes
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Guimarães, Portugal.,ICVS/3B's-PT Government Associate Laboratory, Braga, Portugal.,The Discoveries Centre for Regenerative and Precision Medicine, Headquarters at University of Minho, Guimarães, Portugal
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6
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Roll L, Faissner A. Tenascins in CNS lesions. Semin Cell Dev Biol 2019; 89:118-124. [DOI: 10.1016/j.semcdb.2018.09.012] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 09/03/2018] [Accepted: 09/27/2018] [Indexed: 02/06/2023]
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7
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Tucker RP, Degen M. The Expression and Possible Functions of Tenascin-W During Development and Disease. Front Cell Dev Biol 2019; 7:53. [PMID: 31032255 PMCID: PMC6473177 DOI: 10.3389/fcell.2019.00053] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Accepted: 03/20/2019] [Indexed: 01/18/2023] Open
Abstract
Tenascins are a family of multifunctional glycoproteins found in the extracellular matrix of chordates. Two of the tenascins, tenascin-C and tenascin-W, form hexabrachions. In this review, we describe the discovery and domain architecture of tenascin-W, its evolution and patterns of expression during embryogenesis and in tumors, and its effects on cells in culture. In avian and mammalian embryos tenascin-W is primarily expressed at sites of osteogenesis, and in the adult tenascin-W is abundant in certain stem cell niches. In primary cultures of osteoblasts tenascin-W promotes cell migration, the formation of mineralized foci and increases alkaline phosphatase activity. Tenascin-W is also prominent in many solid tumors, yet it is missing from the extracellular matrix of most adult tissues. This makes it a potential candidate for use as a marker of tumor stroma and a target for anti-cancer therapies.
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Affiliation(s)
- Richard P Tucker
- Department of Cell Biology and Human Anatomy, University of California, Davis, Davis, CA, United States
| | - Martin Degen
- Laboratory for Oral Molecular Biology, Department of Orthodontics and Dentofacial Orthopedics, University of Bern, Bern, Switzerland
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8
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Go JL, Prem K, Al-Hijji MA, Qin Q, Noble C, Young MD, Lerman LO, Lerman A. Experimental Metabolic Syndrome Model Associated with Mechanical and Structural Degenerative Changes of the Aortic Valve. Sci Rep 2018; 8:17835. [PMID: 30546028 PMCID: PMC6292876 DOI: 10.1038/s41598-018-36388-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Accepted: 11/15/2018] [Indexed: 12/26/2022] Open
Abstract
The purpose of this study was to test the hypothesis that an experimental high fat (HF) animal with metabolic syndrome results in structural degeneration of the aortic valve. Domestic pigs were divided (n = 12) and administered either a normal or HF diet. After 16-weeks, the HF diet group had increased weight (p ≤ 0.05), total cholesterol (p ≤ 0.05), and systolic and diastolic pressure (p ≤ 0.05). The aortic valve extracellular matrix showed loss of elastin fibers and increased collagen deposition in the HF diet group. Collagen was quantified with ELISA, which showed an increased concentration of collagen types 1 and 3 (p ≤ 0.05). In the HF diet group, the initial stages of microcalcification were observed. Uniaxial mechanical testing of aortic cusps revealed that the HF diet group expressed a decrease in ultimate tensile strength and elastic modulus compared to the control diet group (p ≤ 0.05). Western blot and immunohistochemistry indicated the presence of proteins: lipoprotein-associated phospholipase A2, osteopontin, and osteocalcin with an increased expression in the HF diet group. The current study demonstrates that experimental metabolic syndrome induced by a 16-week HF diet was associated with a statistically significant alteration to the physical architecture of the aortic valve.
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Affiliation(s)
- Jason L Go
- Department of Cardiovascular Medicine, Mayo Clinic, 200 First Street SW, Rochester, 55905, MN, USA
| | - Komal Prem
- Department of Cardiovascular Medicine, Mayo Clinic, 200 First Street SW, Rochester, 55905, MN, USA.,Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, 200 First Street SW, Rochester, 55905, MN, USA
| | - Mohammed A Al-Hijji
- Department of Cardiovascular Medicine, Mayo Clinic, 200 First Street SW, Rochester, 55905, MN, USA
| | - Qing Qin
- Department of Cardiovascular Medicine, Mayo Clinic, 200 First Street SW, Rochester, 55905, MN, USA
| | - Christopher Noble
- Department of Cardiovascular Medicine, Mayo Clinic, 200 First Street SW, Rochester, 55905, MN, USA
| | - Melissa D Young
- Department of Cardiovascular Medicine, Mayo Clinic, 200 First Street SW, Rochester, 55905, MN, USA
| | - Lilach O Lerman
- Department of Cardiovascular Medicine, Mayo Clinic, 200 First Street SW, Rochester, 55905, MN, USA.,Department of Nephrology and Hypertension, Mayo Clinic, 200 First Street SW, Rochester, 55905, MN, USA
| | - Amir Lerman
- Department of Cardiovascular Medicine, Mayo Clinic, 200 First Street SW, Rochester, 55905, MN, USA.
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9
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Filipe EC, Chitty JL, Cox TR. Charting the unexplored extracellular matrix in cancer. Int J Exp Pathol 2018; 99:58-76. [PMID: 29671911 DOI: 10.1111/iep.12269] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2017] [Accepted: 02/26/2018] [Indexed: 12/12/2022] Open
Abstract
The extracellular matrix (ECM) is present in all solid tissues and considered a master regulator of cell behaviour and phenotype. The importance of maintaining the correct biochemical and biophysical properties of the ECM, and the subsequent regulation of cell and tissue homeostasis, is illustrated by the simple fact that the ECM is highly dysregulated in many different types of disease, especially cancer. The loss of tissue ECM homeostasis and integrity is seen as one of the hallmarks of cancer and typically defines transitional events in progression and metastasis. The vast majority of cancer studies place an emphasis on exploring the behaviour and intrinsic signalling pathways of tumour cells. Their goal was to identify ways to target intracellular pathways regulating cancer. Cancer progression and metastasis are powerfully influenced by the ECM and thus present a vast, unexplored repository of anticancer targets that we are only just beginning to tap into. Deconstructing the complexity of the tumour ECM landscape and identifying the interactions between the many cell types, soluble factors and extracellular-matrix proteins have proved challenging. Here, we discuss some of the emerging tools and platforms being used to catalogue and chart the ECM in cancer.
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Affiliation(s)
- Elysse C Filipe
- Cancer Division, Garvan Institute of Medical Research & The Kinghorn Cancer Centre, Sydney, New South Wales, Australia
| | - Jessica L Chitty
- Cancer Division, Garvan Institute of Medical Research & The Kinghorn Cancer Centre, Sydney, New South Wales, Australia
| | - Thomas R Cox
- Cancer Division, Garvan Institute of Medical Research & The Kinghorn Cancer Centre, Sydney, New South Wales, Australia.,Faculty of Medicine, St Vincent's Clinical School, UNSW Sydney, Sydney, New South Wales, Australia
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10
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Liu G, Cooley MA, Nair PM, Donovan C, Hsu AC, Jarnicki AG, Haw TJ, Hansbro NG, Ge Q, Brown AC, Tay H, Foster PS, Wark PA, Horvat JC, Bourke JE, Grainge CL, Argraves WS, Oliver BG, Knight DA, Burgess JK, Hansbro PM. Airway remodelling and inflammation in asthma are dependent on the extracellular matrix protein fibulin-1c. J Pathol 2017; 243:510-523. [PMID: 28862768 DOI: 10.1002/path.4979] [Citation(s) in RCA: 70] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Revised: 08/28/2017] [Accepted: 08/29/2017] [Indexed: 01/08/2023]
Abstract
Asthma is a chronic inflammatory disease of the airways. It is characterized by allergic airway inflammation, airway remodelling, and airway hyperresponsiveness (AHR). Asthma patients, in particular those with chronic or severe asthma, have airway remodelling that is associated with the accumulation of extracellular matrix (ECM) proteins, such as collagens. Fibulin-1 (Fbln1) is an important ECM protein that stabilizes collagen and other ECM proteins. The level of Fbln1c, one of the four Fbln1 variants, which predominates in both humans and mice, is increased in the serum and airways fluids in asthma but its function is unclear. We show that the level of Fbln1c was increased in the lungs of mice with house dust mite (HDM)-induced chronic allergic airway disease (AAD). Genetic deletion of Fbln1c and therapeutic inhibition of Fbln1c in mice with chronic AAD reduced airway collagen deposition, and protected against AHR. Fbln1c-deficient (Fbln1c-/- ) mice had reduced mucin (MUC) 5 AC levels, but not MUC5B levels, in the airways as compared with wild-type (WT) mice. Fbln1c interacted with fibronectin and periostin that was linked to collagen deposition around the small airways. Fbln1c-/- mice with AAD also had reduced numbers of α-smooth muscle actin-positive cells around the airways and reduced airway contractility as compared with WT mice. After HDM challenge, these mice also had fewer airway inflammatory cells, reduced interleukin (IL)-5, IL-13, IL-33, tumour necrosis factor (TNF) and CXCL1 levels in the lungs, and reduced IL-5, IL-33 and TNF levels in lung-draining lymph nodes. Therapeutic targeting of Fbln1c reduced the numbers of GATA3-positive Th2 cells in the lymph nodes and lungs after chronic HDM challenge. Treatment also reduced the secretion of IL-5 and IL-13 from co-cultured dendritic cells and T cells restimulated with HDM extract. Human epithelial cells cultured with Fbln1c peptide produced more CXCL1 mRNA than medium-treated controls. Our data show that Fbln1c may be a therapeutic target in chronic asthma. Copyright © 2017 Pathological Society of Great Britain and Ireland. Published by John Wiley & Sons, Ltd.
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Affiliation(s)
- Gang Liu
- Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute and The University of Newcastle, Newcastle, New South Wales, Australia
| | - Marion A Cooley
- Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina, Charleston, SC, USA
| | - Prema M Nair
- Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute and The University of Newcastle, Newcastle, New South Wales, Australia
| | - Chantal Donovan
- Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute and The University of Newcastle, Newcastle, New South Wales, Australia
| | - Alan C Hsu
- Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute and The University of Newcastle, Newcastle, New South Wales, Australia
| | - Andrew G Jarnicki
- Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute and The University of Newcastle, Newcastle, New South Wales, Australia.,Department of Pharmacology and Therapeutics, University of Melbourne, Parkville, Victoria, Australia
| | - Tatt Jhong Haw
- Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute and The University of Newcastle, Newcastle, New South Wales, Australia
| | - Nicole G Hansbro
- Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute and The University of Newcastle, Newcastle, New South Wales, Australia
| | - Qi Ge
- Woolcock Institute of Medical Research, Discipline of Pharmacology, University of Sydney, Sydney, New South Wales, Australia
| | - Alexandra C Brown
- Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute and The University of Newcastle, Newcastle, New South Wales, Australia
| | - Hock Tay
- Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute and The University of Newcastle, Newcastle, New South Wales, Australia
| | - Paul S Foster
- Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute and The University of Newcastle, Newcastle, New South Wales, Australia
| | - Peter A Wark
- Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute and The University of Newcastle, Newcastle, New South Wales, Australia.,Department of Respiratory and Sleep Medicine, John Hunter Hospital, Newcastle, New South Wales, Australia
| | - Jay C Horvat
- Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute and The University of Newcastle, Newcastle, New South Wales, Australia
| | - Jane E Bourke
- Biomedicine Discovery Institute, Department of Pharmacology, Monash University, Parkville, Victoria, Australia
| | - Chris L Grainge
- Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute and The University of Newcastle, Newcastle, New South Wales, Australia
| | - W Scott Argraves
- Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina, Charleston, SC, USA
| | - Brian G Oliver
- Woolcock Institute of Medical Research, Discipline of Pharmacology, University of Sydney, Sydney, New South Wales, Australia.,School of Life Sciences, University of Technology Sydney, Sydney, New South Wales, Australia
| | - Darryl A Knight
- Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute and The University of Newcastle, Newcastle, New South Wales, Australia
| | - Janette K Burgess
- Woolcock Institute of Medical Research, Discipline of Pharmacology, University of Sydney, Sydney, New South Wales, Australia.,University of Groningen, University Medical Centre Groningen, Department of Pathology and Medical Biology, Groningen Research Institute of Asthma and COPD, Groningen, The Netherlands
| | - Philip M Hansbro
- Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute and The University of Newcastle, Newcastle, New South Wales, Australia
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11
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Collateral Damage Intended-Cancer-Associated Fibroblasts and Vasculature Are Potential Targets in Cancer Therapy. Int J Mol Sci 2017; 18:ijms18112355. [PMID: 29112161 PMCID: PMC5713324 DOI: 10.3390/ijms18112355] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Revised: 10/25/2017] [Accepted: 11/02/2017] [Indexed: 02/07/2023] Open
Abstract
After oncogenic transformation, tumor cells rewire their metabolism to obtain sufficient energy and biochemical building blocks for cell proliferation, even under hypoxic conditions. Glucose and glutamine become their major limiting nutritional demands. Instead of being autonomous, tumor cells change their immediate environment not only by their metabolites but also by mediators, such as juxtacrine cell contacts, chemokines and other cytokines. Thus, the tumor cells shape their microenvironment as well as induce resident cells, such as fibroblasts and endothelial cells (ECs), to support them. Fibroblasts differentiate into cancer-associated fibroblasts (CAFs), which produce a qualitatively and quantitatively different extracellular matrix (ECM). By their contractile power, they exert tensile forces onto this ECM, leading to increased intratumoral pressure. Moreover, along with enhanced cross-linkage of the ECM components, CAFs thus stiffen the ECM. Attracted by tumor cell- and CAF-secreted vascular endothelial growth factor (VEGF), ECs sprout from pre-existing blood vessels during tumor-induced angiogenesis. Tumor vessels are distinct from EC-lined vessels, because tumor cells integrate into the endothelium or even mimic and replace it in vasculogenic mimicry (VM) vessels. Not only the VM vessels but also the characteristically malformed EC-lined tumor vessels are typical for tumor tissue and may represent promising targets in cancer therapy.
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12
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The role of α9β1 integrin and its ligands in the development of autoimmune diseases. J Cell Commun Signal 2017; 12:333-342. [PMID: 28975544 DOI: 10.1007/s12079-017-0413-7] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Accepted: 09/25/2017] [Indexed: 02/07/2023] Open
Abstract
Adhesion of cells to extracellular matrix proteins through integrins expressed on the cell surface is important for cell adhesion/motility, survival, and differentiation. Recently, α9β1 integrin was reported to be important for the development of autoimmune diseases including rheumatoid arthritis, multiple sclerosis, and their murine models. In addition, ligands for α9β1 integrin, such as osteopontin and tenascin-C, are well established as key regulators of autoimmune diseases. Therefore, this review focused on the role of interactions between α9β1 integrin and its ligands in the development of autoimmune diseases.
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Fu H, Tian Y, Zhou L, Zhou D, Tan RJ, Stolz DB, Liu Y. Tenascin-C Is a Major Component of the Fibrogenic Niche in Kidney Fibrosis. J Am Soc Nephrol 2016; 28:785-801. [PMID: 27612995 DOI: 10.1681/asn.2016020165] [Citation(s) in RCA: 85] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2016] [Accepted: 07/20/2016] [Indexed: 12/13/2022] Open
Abstract
Kidney fibrosis initiates at certain focal sites in which the fibrogenic niche provides a specialized microenvironment that facilitates fibroblast activation and proliferation. However, the molecular identity of these fibrogenic niches is poorly characterized. Here, we determined whether tenascin-C (TNC), an extracellular matrix glycoprotein, is a component of the fibrogenic niche in kidney fibrosis. In vivo, TNC expression increased rapidly in kidneys subjected to unilateral ureteral obstruction or ischemia/reperfusion injury and predominantly localized at the foci rich in fibroblasts in renal interstitium. In vitro, TNC selectively promoted renal interstitial fibroblast proliferation, bromodeoxyuridine incorporation, and the expression of proliferation-related genes. The mitogenic activity of TNC required the integrin/focal adhesion kinase/mitogen-activated protein kinase signaling cascade. Using decellularized extracellular matrix scaffolds, we found that TNC-enriched scaffolds facilitated fibroblast proliferation, whereas TNC-deprived scaffolds inhibited proliferation. Matrix scaffold prepared from fibrotic kidney also promoted greater ex vivo fibroblast proliferation than did scaffolds prepared from healthy kidney. Conversely, small interfering RNA-mediated knockdown of TNC in vivo repressed injury-induced fibroblast expansion and renal fibrosis. These studies identify TNC as a major constituent of the fibrogenic niche that promotes fibroblast proliferation, and illustrate a pivotal role for the TNC-enriched microenvironment in kidney fibrogenesis.
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Affiliation(s)
- Haiyan Fu
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, China; and.,Departments of Pathology
| | - Yuan Tian
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, China; and
| | - Lili Zhou
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, China; and
| | | | | | - Donna B Stolz
- Cell Biology and Physiology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Youhua Liu
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, China; and .,Departments of Pathology
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Mi Z, Halfter W, Abrahamson EE, Klunk WE, Mathis CA, Mufson EJ, Ikonomovic MD. Tenascin-C Is Associated with Cored Amyloid-β Plaques in Alzheimer Disease and Pathology Burdened Cognitively Normal Elderly. J Neuropathol Exp Neurol 2016; 75:868-76. [PMID: 27444354 PMCID: PMC5909866 DOI: 10.1093/jnen/nlw062] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Tenascin-C (TN-C) is an extracellular matrix glycoprotein linked to inflammatory processes in pathological conditions including Alzheimer disease (AD). We examined the distribution of TN-C immunoreactivity (ir) in relation to amyloid-β (Aβ) plaques and vascular Aβ deposits in autopsy brain tissues from 14 patients with clinical and neuropathological AD and 10 aged-matched controls with no cognitive impairment; 5 of the controls had Aβ plaques and 5 did not. TN-C ir was abundant in cortical white matter and subpial cerebral gray matter in all cases, whereas TN-C ir was weak in blood vessels. In all cases with Aβ plaques but not in plaque-free controls, TN-C ir was detected as large (>100 µm in diameter) diffuse extracellular deposits in cortical grey matter. TN-C plaques completely overlapped and surrounded cored Aβ plaques labeled with X-34, a fluorescent derivative of Congo red, and they were associated with reactive astrocytes astrocytes, microglia and phosphorylated tau-containing dystrophic neurites. Diffuse Aβ plaques lacking amyloid cores, reactive glia or dystrophic neurites showed no TN-C ir. In cases with cerebral amyloid angiopathy, TN-C ir in vessel walls did not spread into the surrounding neuropil. These results suggest a role for TN-C in Aβ plaque pathogenesis and its potential as a biomarker and therapy target.
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Affiliation(s)
- Zhiping Mi
- From the Departments of Neurology (ZM, EEA, WEK, MDI)Department of Neurobiology (WH)Department of Psychiatry (WEK, MDI)Department of Radiology, University of Pittsburgh (CAM)Department of Geriatric Research Education and Clinical Center, VA Pittsburgh Healthcare System (ZM, EEA, MDI)Department of Neurobiology, Barrow Neurological Institute, Pittsburgh, PA, USA (EJM)
| | - Willi Halfter
- From the Departments of Neurology (ZM, EEA, WEK, MDI)Department of Neurobiology (WH)Department of Psychiatry (WEK, MDI)Department of Radiology, University of Pittsburgh (CAM)Department of Geriatric Research Education and Clinical Center, VA Pittsburgh Healthcare System (ZM, EEA, MDI)Department of Neurobiology, Barrow Neurological Institute, Pittsburgh, PA, USA (EJM)
| | - Eric E Abrahamson
- From the Departments of Neurology (ZM, EEA, WEK, MDI)Department of Neurobiology (WH)Department of Psychiatry (WEK, MDI)Department of Radiology, University of Pittsburgh (CAM)Department of Geriatric Research Education and Clinical Center, VA Pittsburgh Healthcare System (ZM, EEA, MDI)Department of Neurobiology, Barrow Neurological Institute, Pittsburgh, PA, USA (EJM)
| | - William E Klunk
- From the Departments of Neurology (ZM, EEA, WEK, MDI)Department of Neurobiology (WH)Department of Psychiatry (WEK, MDI)Department of Radiology, University of Pittsburgh (CAM)Department of Geriatric Research Education and Clinical Center, VA Pittsburgh Healthcare System (ZM, EEA, MDI)Department of Neurobiology, Barrow Neurological Institute, Pittsburgh, PA, USA (EJM)
| | - Chester A Mathis
- From the Departments of Neurology (ZM, EEA, WEK, MDI)Department of Neurobiology (WH)Department of Psychiatry (WEK, MDI)Department of Radiology, University of Pittsburgh (CAM)Department of Geriatric Research Education and Clinical Center, VA Pittsburgh Healthcare System (ZM, EEA, MDI)Department of Neurobiology, Barrow Neurological Institute, Pittsburgh, PA, USA (EJM)
| | - Elliott J Mufson
- From the Departments of Neurology (ZM, EEA, WEK, MDI)Department of Neurobiology (WH)Department of Psychiatry (WEK, MDI)Department of Radiology, University of Pittsburgh (CAM)Department of Geriatric Research Education and Clinical Center, VA Pittsburgh Healthcare System (ZM, EEA, MDI)Department of Neurobiology, Barrow Neurological Institute, Pittsburgh, PA, USA (EJM)
| | - Milos D Ikonomovic
- From the Departments of Neurology (ZM, EEA, WEK, MDI)Department of Neurobiology (WH)Department of Psychiatry (WEK, MDI)Department of Radiology, University of Pittsburgh (CAM)Department of Geriatric Research Education and Clinical Center, VA Pittsburgh Healthcare System (ZM, EEA, MDI)Department of Neurobiology, Barrow Neurological Institute, Pittsburgh, PA, USA (EJM)
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15
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Reinhard J, Brösicke N, Theocharidis U, Faissner A. The extracellular matrix niche microenvironment of neural and cancer stem cells in the brain. Int J Biochem Cell Biol 2016; 81:174-183. [PMID: 27157088 DOI: 10.1016/j.biocel.2016.05.002] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2015] [Revised: 03/25/2016] [Accepted: 05/04/2016] [Indexed: 12/27/2022]
Abstract
Numerous studies demonstrated that neural stem cells and cancer stem cells (NSCs/CSCs) share several overlapping characteristics such as self-renewal, multipotency and a comparable molecular repertoire. In addition to the intrinsic cellular properties, NSCs/CSCs favor a similar environment to acquire and maintain their characteristics. In the present review, we highlight the shared properties of NSCs and CSCs in regard to their extracellular microenvironment called the NSC/CSC niche. Moreover, we point out that extracellular matrix (ECM) molecules and their complementary receptors influence the behavior of NSCs/CSCs as well as brain tumor progression. Here, we focus on the expression profile and functional importance of the ECM glycoprotein tenascin-C, the chondroitin sulfate proteoglycan DSD-1-PG/phosphacan but also on other important glycoprotein/proteoglycan constituents. Within this review, we specifically concentrate on glioblastoma multiforme (GBM). GBM is the most common malignant brain tumor in adults and is associated with poor prognosis despite intense and aggressive surgical and therapeutic treatment. Recent studies indicate that GBM onset is driven by a subpopulation of CSCs that display self-renewal and recapitulate tumor heterogeneity. Based on the CSC hypothesis the cancer arises just from a small subpopulation of self-sustaining cancer cells with the exclusive ability to self-renew and maintain the tumor. Besides the fundamental stem cell properties of self-renewal and multipotency, GBM stem cells share further molecular characteristics with NSCs, which we would like to review in this article.
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Affiliation(s)
- Jacqueline Reinhard
- Department of Cell Morphology & Molecular Neurobiology, Faculty of Biology and Biotechnology, Ruhr-University Bochum, Universitätsstraße 150, 44801 Bochum, Germany
| | - Nicole Brösicke
- Department of Cell Morphology & Molecular Neurobiology, Faculty of Biology and Biotechnology, Ruhr-University Bochum, Universitätsstraße 150, 44801 Bochum, Germany
| | - Ursula Theocharidis
- Department of Cell Morphology & Molecular Neurobiology, Faculty of Biology and Biotechnology, Ruhr-University Bochum, Universitätsstraße 150, 44801 Bochum, Germany
| | - Andreas Faissner
- Department of Cell Morphology & Molecular Neurobiology, Faculty of Biology and Biotechnology, Ruhr-University Bochum, Universitätsstraße 150, 44801 Bochum, Germany.
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16
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Venning FA, Wullkopf L, Erler JT. Targeting ECM Disrupts Cancer Progression. Front Oncol 2015; 5:224. [PMID: 26539408 PMCID: PMC4611145 DOI: 10.3389/fonc.2015.00224] [Citation(s) in RCA: 191] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2015] [Accepted: 09/30/2015] [Indexed: 12/18/2022] Open
Abstract
Metastatic complications are responsible for more than 90% of cancer-related deaths. The progression from an isolated tumor to disseminated metastatic disease is a multistep process, with each step involving intricate cross talk between the cancer cells and their non-cellular surroundings, the extracellular matrix (ECM). Many ECM proteins are significantly deregulated during the progression of cancer, causing both biochemical and biomechanical changes that together promote the metastatic cascade. In this review, the influence of several ECM proteins on these multiple steps of cancer spread is summarized. In addition, we highlight the promising (pre-)clinical data showing benefits of targeting these ECM macromolecules to prevent cancer progression.
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Affiliation(s)
- Freja A. Venning
- Biotech Research and Innovation Centre (BRIC), University of Copenhagen (UCPH), Copenhagen, Denmark
| | - Lena Wullkopf
- Biotech Research and Innovation Centre (BRIC), University of Copenhagen (UCPH), Copenhagen, Denmark
| | - Janine T. Erler
- Biotech Research and Innovation Centre (BRIC), University of Copenhagen (UCPH), Copenhagen, Denmark
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17
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Burk J, Gittel C, Heller S, Pfeiffer B, Paebst F, Ahrberg AB, Brehm W. Gene expression of tendon markers in mesenchymal stromal cells derived from different sources. BMC Res Notes 2014; 7:826. [PMID: 25412928 PMCID: PMC4247609 DOI: 10.1186/1756-0500-7-826] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2014] [Accepted: 11/12/2014] [Indexed: 11/17/2022] Open
Abstract
Background Multipotent mesenchymal stromal cells (MSC) can be recovered from a variety of tissues in the body. Yet, their functional properties were shown to vary depending on tissue origin. While MSC have emerged as a favoured cell type for tendon regenerative therapies, very little is known about the influence of the MSC source on their properties relevant to tendon regeneration. The aim of this study was to assess and compare the expression of tendon extracellular matrix proteins and tendon differentiation markers in MSC derived from different sources as well as in native tendon tissue. MSC isolated from equine bone marrow, adipose tissue, umbilical cord tissue, umbilical cord blood and tendon tissue were characterized and then subjected to mRNA analysis by real-time polymerase chain reaction. Results MSC derived from adipose tissue displayed the highest expression of collagen 1A2, collagen 3A1 and decorin compared to MSC from all other sources and native tendon tissue (p < 0.01). Tenascin-C and scleraxis expressions were highest in MSC derived from cord blood compared to MSC derived from other sources, though both tenascin-C and scleraxis were expressed at significantly lower levels in all MSC compared to native tendon tissue (p < 0.01). Conclusions These findings demonstrate that the MSC source impacts the cell properties relevant to tendon regeneration. Adipose derived MSC might be superior regarding their potential to positively influence tendon matrix reorganization. Electronic supplementary material The online version of this article (doi:10.1186/1756-0500-7-826) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Janina Burk
- Translational Centre for Regenerative Medicine (TRM), University of Leipzig, Philipp-Rosenthal-Strasse 55, 04103 Leipzig, Germany.
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18
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ten Brinke EA, Witkowski TG, Delgado V, Klein P, Klok M, Marsan NA, Klautz RJ, van der Wall EE, Bax JJ, van der Laarse A, Steendijk P. Myocardial collagen turnover after surgical ventricular restoration in heart failure patients. Eur J Heart Fail 2014; 13:1202-10. [DOI: 10.1093/eurjhf/hfr097] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Ellen A. ten Brinke
- Department of Cardiology; Leiden University Medical Center; PO Box 9600, 2300RC Leiden The Netherlands
| | - Tomasz G. Witkowski
- Department of Cardiology; Leiden University Medical Center; PO Box 9600, 2300RC Leiden The Netherlands
| | - Victoria Delgado
- Department of Cardiology; Leiden University Medical Center; PO Box 9600, 2300RC Leiden The Netherlands
| | - Patrick Klein
- Departments of Cardiothoracic Surgery; Leiden University Medical Center; Leiden The Netherlands
| | - Margreet Klok
- Department of Cardiology; Leiden University Medical Center; PO Box 9600, 2300RC Leiden The Netherlands
| | - Nina A. Marsan
- Department of Cardiology; Leiden University Medical Center; PO Box 9600, 2300RC Leiden The Netherlands
| | - Robert J. Klautz
- Departments of Cardiothoracic Surgery; Leiden University Medical Center; Leiden The Netherlands
| | - Ernst E. van der Wall
- Department of Cardiology; Leiden University Medical Center; PO Box 9600, 2300RC Leiden The Netherlands
| | - Jeroen J. Bax
- Department of Cardiology; Leiden University Medical Center; PO Box 9600, 2300RC Leiden The Netherlands
| | - Arnoud van der Laarse
- Department of Cardiology; Leiden University Medical Center; PO Box 9600, 2300RC Leiden The Netherlands
| | - Paul Steendijk
- Department of Cardiology; Leiden University Medical Center; PO Box 9600, 2300RC Leiden The Netherlands
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He W, Xie Q, Wang Y, Chen J, Zhao M, Davis LS, Breyer MD, Gu G, Hao CM. Generation of a tenascin-C-CreER2 knockin mouse line for conditional DNA recombination in renal medullary interstitial cells. PLoS One 2013; 8:e79839. [PMID: 24244568 PMCID: PMC3823583 DOI: 10.1371/journal.pone.0079839] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2013] [Accepted: 10/01/2013] [Indexed: 11/17/2022] Open
Abstract
Renal medullary interstitial cells (RMIC) are specialized fibroblast-like cells that exert important functions in maintaining body fluid homeostasis and systemic blood pressure. Here, we generated a RMIC specific tenascin-C promoter driven inducible CreER2 knockin mouse line with an EGFP reporter. Similar as endogenous tenascin-C expression, the reporter EGFP expression in the tenascin-C-CreER2(+/-) mice was observed in the inner medulla of the kidney, and co-localized with COX2 but not with AQP2 or AQP1, suggesting selective expression in RMICs. After recombination (tenascin-C-CreER2(+/-)/ROSA26-lacZ(+/-) mice + tamoxifen), β-gal activity was restricted to the cells in the inner medulla of the kidney, and didn't co-localize with AQP2, consistent with selective Cre recombinase activity in RMICs. Cre activity was not obvious in other major organs or without tamoxifen treatment. This inducible RMIC specific Cre mouse line should therefore provide a novel tool to manipulate genes of interest in RMICs.
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Affiliation(s)
- Wenjuan He
- Gladstone Institute of Virology & Immunology, San Francisco, California, United States of America ; Nephrology Division, Vanderbilt University Medical Center School of Medicine, Nashville, Tennessee, United States of America
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20
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Wójcik KA, Skoda M, Koczurkiewicz P, Sanak M, Czyż J, Michalik M. Apigenin inhibits TGF-β1 induced fibroblast-to-myofibroblast transition in human lung fibroblast populations. Pharmacol Rep 2013; 65:164-72. [PMID: 23563034 DOI: 10.1016/s1734-1140(13)70974-5] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2012] [Revised: 09/24/2012] [Indexed: 12/23/2022]
Abstract
BACKGROUND Flavonoids are dietary plant compounds suspected to reduce the incidence of chronic diseases in several regions of the world. Due to anti-allergic and anti-inflammatory activities, apigenin (4',5,7,-trihydroxyflavone) is thought to interfere with crucial events in the pathomechanism of asthma. However, the effect of apigenin on TGF-β-induced fibroblast-to-myofibroblast transition (FMT) in human lung fibroblast populations, a key event in asthma progression, has not yet been addressed. METHODS Primary human bronchial fibroblasts (HBFs) propagated from ex vivo bronchial biopsies derived from patients with diagnosed asthma and human embryonic lung IMR-90 fibroblasts were cultured in vitro and treated with TGF-β1 and apigenin. The myofibroblast fraction in fibroblast populations was evaluated by immunocytochemistry. Expression of α-smooth muscle actin (α-SMA) and tenascin C were assessed at the mRNA and protein level by real-time RT-PCR and immunoblotting, respectively. Additionally, proliferation and viability tests and time lapse-monitoring of movement of individual HBFs and IMR-90 cells were evaluated. RESULTS We show that apigenin attenuates TGF-β1-induced FMT in cultures of HBFs, and the magnitude of this attenuation was found to be similar to that observed in the established cell line of lung IMR-90 fibroblasts. Notably, FMT inhibition was observed at low (≈10 μM), non-cytotoxic and non-cytostatic apigenin concentrations and could be correlated with the inhibition of α-SMA and tenascin C expression in HBFs at the mRNA level. CONCLUSIONS Our data are the first to demonstrate that apigenin inhibits the TGF-β1-induced expansion of hyper-contractile, α-smooth muscle actin - positive myofibroblasts within populations of HBFs derived from asthmatic patients. They also indicate the possible interference of apigenin with bronchial wall remodeling during the asthmatic process in vivo.
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Affiliation(s)
- Katarzyna A Wójcik
- Department of Cell Biology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, PL 30-387 Kraków, Poland
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Schreiber J, Schachner M, Schumacher U, Lorke DE. Extracellular matrix alterations, accelerated leukocyte infiltration and enhanced axonal sprouting after spinal cord hemisection in tenascin-C-deficient mice. Acta Histochem 2013; 115:865-78. [PMID: 23701962 DOI: 10.1016/j.acthis.2013.04.009] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2013] [Revised: 04/10/2013] [Accepted: 04/11/2013] [Indexed: 01/08/2023]
Abstract
The extracellular matrix glycoprotein tenascin-C has been implicated in wound repair and axonal growth. Its role in mammalian spinal cord injury is largely unknown. In vitro it can be both neurite-outgrowth promoting and repellent. To assess its effects on glial reactions, extracellular matrix formation, and axonal regrowth/sprouting in vivo, 20 tenascin-C-deficient and 20 wild type control mice underwent lumbar spinal cord hemisection. One, three, seven and fourteen days post-surgery, cryostat sections of the spinal cord were examined by conventional histology and by immunohistochemistry using antibodies against F4/80 (microglia/macrophage), GFAP (astroglia), neurofilament, fibronectin, laminin and collagen type IV. Fibronectin immunoreactivity was significantly down-regulated in tenascin-C-deficient mice. Moreover, fourteen days after injury, immunodensity of neurofilament-positive fibers was two orders of magnitude higher along the incision edges of tenascin-C-deficient mice as compared to control mice. In addition, lymphocyte infiltration was seen two days earlier in tenascin-C-deficient mice than in control mice and neutrophil infiltration was increased seven days after injury. The increase in thin neurofilament positive fibers in tenascin-C-deficient mice indicates that lack of tenascin-C alters the inflammatory reaction and extracellular matrix composition in a way that penetration of axonal fibers into spinal cord scar tissue may be facilitated.
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Affiliation(s)
- Jenny Schreiber
- University Medical Center Hamburg-Eppendorf, Center for Experimental Medicine, Department of Anatomy and Experimental Morphology, Martinistraße 52, 20246 Hamburg, Germany
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22
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Brösicke N, van Landeghem FKH, Scheffler B, Faissner A. Tenascin-C is expressed by human glioma in vivo and shows a strong association with tumor blood vessels. Cell Tissue Res 2013; 354:409-30. [DOI: 10.1007/s00441-013-1704-9] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2013] [Accepted: 07/12/2013] [Indexed: 12/17/2022]
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Fine-tuned characterization of RCCX copy number variants and their relationship with extended MHC haplotypes. Genes Immun 2012; 13:530-5. [PMID: 22785613 DOI: 10.1038/gene.2012.29] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The human RCCX is a common multiallelic copy number variation locus whose number of segments varies between one and four in a chromosome. The monomodular form normally comprises four functional genes, but in duplicated RCCX segments generally only the gene-encoding complement component C4 produces a protein. C4 genes can code either for a C4A or a C4B isotype protein and exhibit dichotomous size variation. Distinct RCCX variants show association with numerous diseases; however, identification of the basis of these associations is often challenging, not least because the RCCX is localized in the major histocompatibility complex (MHC) region, a genomic area characterized by exceedingly long-range linkage disequilibrium. Here we present a detailed analysis on RCCX variants and their relationship with so-called 'ancestral' or 'conserved extended' MHC haplotypes in healthy Caucasians. In addition to former investigations, precise order and size of all C4A and C4B genes were determined even in trimodular RCCX structures. Considering C4 copy numbers, length, isotype specificity and CYP21A2 copy numbers, we have identified 15 distinct RCCX variants and described the RCCX structures involved in 29 repeatedly occurring MHC haplotypes. The findings should become a useful tool for future RCCX- and MHC-related disease association studies.
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Elevated Tenascin-C Levels in Bronchoalveolar Lavage Fluid of Patients with Sarcoidosis. Lung 2012; 190:537-43. [DOI: 10.1007/s00408-012-9400-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2012] [Accepted: 06/13/2012] [Indexed: 12/29/2022]
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Abstract
Tenascins are large glycoproteins found in embryonic and adult extracellular matrices. Of the four family members, two have been shown to be overexpressed in the microenvironment of solid tumours: tenascin-C and tenascin-W. The regular presence of these proteins in tumours suggests a role in tumourigenesis, which has been investigated intensively for tenascin-C and recently for tenascin-W as well. In this review, we follow a malignant cell starting from its birth through its potential metastatic journey and describe how tenascin-C and tenascin-W contribute to these successive steps of tumourigenesis. We consider the importance of the mechanical aspect in tenascin signalling. Furthermore, we discuss studies describing tenascin-C as an important component of stem cell niches and present examples reporting its role in cancer therapy resistance.
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Affiliation(s)
- Florence Brellier
- Friedrich Miescher Institute for Biomedical Research, Novartis Research Foundation, Basel, Switzerland
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26
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Burgess JK, Weckmann M. Matrikines and the lungs. Pharmacol Ther 2012; 134:317-37. [PMID: 22366287 DOI: 10.1016/j.pharmthera.2012.02.002] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2012] [Accepted: 02/03/2012] [Indexed: 01/09/2023]
Abstract
The extracellular matrix is a complex network of fibrous and nonfibrous molecules that not only provide structure to the lung but also interact with and regulate the behaviour of the cells which it surrounds. Recently it has been recognised that components of the extracellular matrix proteins are released, often through the action of endogenous proteases, and these fragments are termed matrikines. Matrikines have biological activities, independent of their role within the extracellular matrix structure, which may play important roles in the lung in health and disease pathology. Integrins are the primary cell surface receptors, characterised to date, which are used by the matrikines to exert their effects on cells. However, evidence is emerging for the need for co-factors and other receptors for the matrikines to exert their effects on cells. The potential for matrikines, and peptides derived from these extracellular matrix protein fragments, as therapeutic agents has recently been recognised. The natural role of these matrikines (including inhibitors of angiogenesis and possibly inflammation) make them ideal targets to mimic as therapies. A number of these peptides have been taken forward into clinical trials. The focus of this review will be to summarise our current understanding of the role, and potential for highly relevant actions, of matrikines in lung health and disease.
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Affiliation(s)
- Janette K Burgess
- Cell Biology, Woolcock Institute of Medical Research, Sydney, NSW, Australia.
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27
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Integrin-mediated cell-matrix interaction in physiological and pathological blood vessel formation. JOURNAL OF ONCOLOGY 2011; 2012:125278. [PMID: 21941547 PMCID: PMC3175391 DOI: 10.1155/2012/125278] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/25/2011] [Accepted: 07/15/2011] [Indexed: 02/07/2023]
Abstract
Physiological as well as pathological blood vessel formation are fundamentally dependent on cell-matrix interaction. Integrins, a family of major cell adhesion receptors, play a pivotal role in development, maintenance, and remodeling of the vasculature. Cell migration, invasion, and remodeling of the extracellular matrix (ECM) are integrin-regulated processes, and the expression of certain integrins also correlates with tumor progression. Recent advances in the understanding of how integrins are involved in the regulation of blood vessel formation and remodeling during tumor progression are highlighted. The increasing knowledge of integrin function at the molecular level, together with the growing repertoire of integrin inhibitors which allow their selective pharmacological manipulation, makes integrins suited as potential diagnostic markers and therapeutic targets.
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Cohen-Kupiec R, Weinstein S, Kantor G, Peer D, Weil M. IKAP/hELP1 down-regulation in neuroblastoma cells causes enhanced cell adhesion mediated by contactin overexpression. Cell Adh Migr 2011; 4:541-50. [PMID: 20671422 DOI: 10.4161/cam.4.4.12923] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
A splicing mutation in the IKBKAP gene encoding the IKAP/hELP1 (IKAP) protein was found to be the major cause of Familial Dysautonomia (FD). This mutation affects both the normal development and survival of sensory and sympathetic neurons of the peripheral nervous system (PNS). To understand the FD phenotype it is important to study the specific role played by IKAP in developing and mature PNS neurons. We used the neuroblastoma SHSY5Y cell line, originated from neural crest adrenal tumor, and simulated the FD phenotype by reducing IKAP expression with retroviral constructs. We observed that IKAP – down - regulated cells formed cell clusters compared to control cells under regular culture conditions. We examined the ability of these cells to differentiate into mature neurons in the presence of laminin, an essential extracellular matrix for developing PNS neurons. We found that the cells showed reduced attachment to laminin, morphological changes and increased cell-to-cell adhesion resulting in cell aggregates. We identified Contactin as the adhesion molecule responsible for this phenotype. We show that Contactin expression is related to IKAP expression, suggesting that IKAP regulates Contactin levels for appropriate cell-cell adhesion that could modulate neuronal growth of PNS neurons during development.
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Affiliation(s)
- Rachel Cohen-Kupiec
- Department of Cell Research and Immunology, Tel Aviv University, Tel Aviv, Israel
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Chiquet-Ehrismann R, Tucker RP. Tenascins and the importance of adhesion modulation. Cold Spring Harb Perspect Biol 2011; 3:cshperspect.a004960. [PMID: 21441591 DOI: 10.1101/cshperspect.a004960] [Citation(s) in RCA: 157] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Tenascins are a family of extracellular matrix proteins that evolved in early chordates. There are four family members: tenascin-X, tenascin-R, tenascin-W, and tenascin-C. Tenascin-X associates with type I collagen, and its absence can cause Ehlers-Danlos Syndrome. In contrast, tenascin-R is concentrated in perineuronal nets. The expression of tenascin-C and tenascin-W is developmentally regulated, and both are expressed during disease (e.g., both are associated with cancer stroma and tumor blood vessels). In addition, tenascin-C is highly induced by infections and inflammation. Accordingly, the tenascin-C knockout mouse has a reduced inflammatory response. All tenascins have the potential to modify cell adhesion either directly or through interaction with fibronectin, and cell-tenascin interactions typically lead to increased cell motility. In the case of tenascin-C, there is a correlation between elevated expression and increased metastasis in several types of tumors.
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Affiliation(s)
- Ruth Chiquet-Ehrismann
- Friedrich Miescher Institute for Biomedical Research, Novartis Research Foundation, Basel, Switzerland.
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30
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Brellier F, Hostettler K, Hotz HR, Ozcakir C, Çöloğlu SA, Togbe D, Ryffel B, Roth M, Chiquet-Ehrismann R. Tenascin-C triggers fibrin accumulation by downregulation of tissue plasminogen activator. FEBS Lett 2011; 585:913-20. [PMID: 21354146 DOI: 10.1016/j.febslet.2011.02.023] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2011] [Accepted: 02/18/2011] [Indexed: 10/18/2022]
Abstract
We explored novel functions of tenascin-C by comparing mouse embryonic fibroblasts (MEFs) proficient or deficient in tenascin-C expression. Transcript profiling analysis identified tissue plasminogen activator (tPA) as the most consistently over-expressed gene in all tenascin-C deficient MEFs. This was confirmed by real-time PCR as well as by protein expression analysis. In agreement with these observations, tenascin-C deficient MEFs had an increased capacity to digest fibrin in situ. Consistently, tenascin-C expression in vivo was found to correlate with fibrin deposition in several diseases associated with tenascin-C overexpression such as fibrosis, asthma and cancer. In conclusion, the present study suggests a new role of tenascin-C as a regulator of the fibrinolytic system.
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Affiliation(s)
- Florence Brellier
- Friedrich Miescher Institute for Biomedical Research, Novartis Research Foundation, Basel, Switzerland.
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31
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Brellier F, Ruggiero S, Zwolanek D, Martina E, Hess D, Brown-Luedi M, Hartmann U, Koch M, Merlo A, Lino M, Chiquet-Ehrismann R. SMOC1 is a tenascin-C interacting protein over-expressed in brain tumors. Matrix Biol 2011; 30:225-33. [PMID: 21349332 DOI: 10.1016/j.matbio.2011.02.001] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2010] [Revised: 02/04/2011] [Accepted: 02/10/2011] [Indexed: 12/18/2022]
Abstract
Tenascin-C is an extracellular matrix protein over-expressed in a large variety of cancers. In the present study, we aimed at identifying new interactors of tenascin-C by purifying secreted proteins on a tenascin-C affinity column. Analysis of eluates by mass spectrometry revealed phosphoglycerate kinase 1, clusterin, fibronectin, SPARC-related modular calcium-binding protein 1 (SMOC1) and nidogen-2 as potential interactors of tenascin-C. The interaction between tenascin-C and SMOC1 was confirmed by co-immunoprecipitation and further analyzed by Surface Plasmon Resonance Spectroscopy, which revealed an apparent dissociation constant (K(D)) value of 2.59∗10(-9)M. Further analyses showed that this binding is reduced in the presence of EDTA. To investigate whether SMOC1 itself could be over-expressed in the context of tumorigenesis, we analyzed data of two independent RNA profiling studies and found that mRNA levels of SMOC1 are significantly increased in oligodendrogliomas compared to control brain samples. In support of these data, western blot analysis of protein extracts from 12 oligodendrogliomas, 4 astrocytomas and 13 glioblastomas revealed elevated levels compared to healthy brain extract. Interestingly, cell migration experiments revealed that SMOC1 can counteract the chemo-attractive effect of tenascin-C on U87 glioma cells. The present study thus identified SMOC1 as a new cancer-associated protein capable of interacting with tenascin-C in vitro.
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Affiliation(s)
- Florence Brellier
- Friedrich Miescher Institute for Biomedical Research, Novartis Research Foundation, Basel, Switzerland.
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Meuronen A, Karisola P, Leino M, Savinko T, Sirola K, Majuri ML, Piirilä P, Virtanen I, Mäkelä M, Laitinen A, Laitinen LA, Alenius H. Attenuated expression of tenascin-C in ovalbumin-challenged STAT4-/- mice. Respir Res 2011; 12:2. [PMID: 21205293 PMCID: PMC3024219 DOI: 10.1186/1465-9921-12-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2010] [Accepted: 01/04/2011] [Indexed: 01/24/2023] Open
Abstract
Background Asthma leads to structural changes in the airways, including the modification of extracellular matrix proteins such as tenascin-C. The role of tenascin-C is unclear, but it might act as an early initiator of airway wall remodelling, as its expression is increased in the mouse and human airways during allergic inflammation. In this study, we examined whether Th1 or Th2 cells are important regulators of tenascin-C in experimental allergic asthma utilizing mice with impaired Th1 (STAT4-/-) or Th2 (STAT6-/-) immunity. Methods Balb/c wildtype (WT), STAT4-/- and STAT6-/- mice were sensitized with intraperitoneally injected ovalbumin (OVA) followed by OVA or PBS airway challenge. Airway hyperreactivity (AHR) was measured and samples were collected. Real time PCR and immunohistochemistry were used to study cytokines and differences in the expression of tenascin-C. Tenascin-C expression was measured in human fibroblasts after treatment with TNF-α and IFN-γ in vitro. Results OVA-challenged WT mice showed allergic inflammation and AHR in the airways along with increased expression of TNF-α, IFN-γ, IL-4 and tenascin-C in the lungs. OVA-challenged STAT4-/- mice exhibited elevated AHR and pulmonary eosinophilia. The mRNA expression of TNF-α and IFN-γ was low, but the expression of IL-4 was significantly elevated in these mice. OVA-challenged STAT6-/- mice had neither AHR nor pulmonary eosinophilia, but had increased expression of mRNA for TNF-α, IFN-γ and IL-4. The expression of tenascin-C in the lungs of OVA-challenged STAT4-/- mice was weaker than in those of OVA-challenged WT and STAT6-/- mice suggesting that TNF-α and IFN-γ may regulate tenascin-C expression in vivo. The stimulation of human fibroblasts with TNF-α and IFN-γ induced the expression of tenascin-C confirming our in vivo findings. Conclusions Expression of tenascin-C is significantly attenuated in the airways of STAT4-/- mice, which may be due to the impaired secretion of TNF-α and IFN-γ in these mice.
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Affiliation(s)
- Anna Meuronen
- Institute of Biomedicine/Anatomy, University of Helsinki, Biomedicum, Helsinki, Finland.
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33
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Gong XG, Lv YF, Li XQ, Xu FG, Ma QY. Gemcitabine resistance induced by interaction between alternatively spliced segment of tenascin-C and annexin A2 in pancreatic cancer cells. Biol Pharm Bull 2010; 33:1261-7. [PMID: 20686216 DOI: 10.1248/bpb.33.1261] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Pancreatic cancer is the fourth leading cause of cancer-related death in the western countries and it is resistant to almost all cytotoxic drugs. In the current study, we explored the gemcitabine resistance induced by the interaction between Annexin A2 (ANXA2) and alternatively spliced segment of tenascin-C (TNfnA-D). In the pancreatic cancer cell culture system in vitro, it was proved that exogenous recombinant TNfnA-D combined with the cell surface ANXA2 specifically and their interaction suppressed gemcitabine-induced cytotoxicity on pancreatic cancer cells in a dose-dependent manner. Meanwhile, the TNfnA-D/ANXA2 interaction increased the phosphorylation of phosphatidylinositol 3-kinase (PI3K), Akt, inhibitory kappaB (IkappaB) kinase alpha/beta (IKKalpha/beta), IkappaBalpha, and p65 nuclear factor-kappaB (NF-kappaB) significantly. Inhibition of Akt and PI3K with their specific inhibitors partially reversed the suppression of gemcitabine-induced cytotoxicity elicited by TNfnA-D/ANXA2 interaction. Activation of p65 NF-kappaB was dependent on the phosphorylation of PI3K/Akt. The phosphorylated IKKalpha/beta induced the phosphorylation and degradation of IkappaBalpha, the sequential phosphorylation, nuclear translocation and activation of p65 NF-kappaB. Pyrrolidine dithiocarbamate (PDTC) effectively blocked the activity of p65 NF-kappaB in response to TNfnA-D. Down-regulation of p65 NF-kappaB with its specific small interfering RNA (siRNA) restored the gemcitabine-induced cytotoxicity suppressed by TNfnA-D/ANXA2 interaction. For the first time, this study show that ANXA2/TNfnA-D interaction induced gemcitabine resistance via the canonical PI3K/Akt/NF-kappaB signaling pathways in pancreatic cancer cells. Therefore, therapy targeting ANXA2/TNfnA-D and/or p65 NF-kappaB may have potential clinical application for patients with pancreatic cancers.
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Affiliation(s)
- Xiao-Guang Gong
- Department of Surgery, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, P. R. China
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34
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Liabeuf S, Barreto DV, Kretschmer A, Barreto FC, Renard C, Andrejak M, Choukroun G, Massy Z. High circulating levels of large splice variants of tenascin-C is associated with mortality and cardiovascular disease in chronic kidney disease patients. Atherosclerosis 2010; 215:116-24. [PMID: 21183183 DOI: 10.1016/j.atherosclerosis.2010.11.038] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2010] [Revised: 11/24/2010] [Accepted: 11/25/2010] [Indexed: 02/09/2023]
Abstract
OBJECTIVES Tenascin-C (TN-C) is an adhesion-modulating extracellular matrix glycoprotein which is overexpressed in various organs under disease conditions (infection and inflammation). In patients with heart disease, plasma TN-C levels have been shown to be predictive of cardiac remodeling. Chronic kidney disease (CKD) is associated with a state of chronic inflammation and high cardiovascular morbidity and mortality. METHODS In a prospective observational study, we examined the relationship between plasma concentration of large splice variants of TN-C (cTN-C) and cardiovascular outcomes, we studied a cohort of 94 prevalent CKD patients (mean±SD age: 68±13; 31% at CKD stages 2-3, 31% at stages 4-5, 38% at stage 5D). RESULTS Plasma cTN-C levels were elevated in this population and tended to rise as CKD progressed, with the increase becoming statistically significant at CKD stage 4-5 and 5D. Multivariate linear regression analysis indicated that CKD stage (p=0.04), IL-6 (p=0.02) and albumin (p=0.02) were independently associated with plasma cTN-C levels. During follow-up (mean duration: 969±405 days), 32 patients died (19 from CV events, 7 from infectious diseases and 6 from other causes). In a crude analysis, higher plasma cTN-C levels predicted overall and CV mortality (p=0.007 and p=0.003, respectively) and were associated with higher occurrence of CV events. Cox analyses confirmed that elevated plasma cTN-C levels were independently associated with cardiovascular events, cardiovascular and overall mortality. CONCLUSION Our findings suggest, for the first time, that plasma cTN-C levels are independently associated with cardiovascular outcomes in CKD patients. Further studies are needed in order to confirm the above observations and better understand TN-C's role in cardiovascular remodeling in CKD.
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Barrenschee M, Lex D, Uhlig S. Effects of the TLR2 agonists MALP-2 and Pam3Cys in isolated mouse lungs. PLoS One 2010; 5:e13889. [PMID: 21124967 PMCID: PMC2987752 DOI: 10.1371/journal.pone.0013889] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2009] [Accepted: 10/15/2010] [Indexed: 11/22/2022] Open
Abstract
Background Gram-positive and Gram-negative bacteria are main causes of pneumonia or acute lung injury. They are recognized by the innate immune system via toll-like receptor-2 (TLR2) or TLR4, respectively. Among all organs, the lungs have the highest expression of TLR2 receptors, but little is known about the pulmonary consequences of their activation. Here we studied the effects of the TLR2/6 agonist MALP-2, the TLR2/1 agonist Pam3Cys and the TLR4 agonist lipopolysaccharide (LPS) on pro-inflammatory responses in isolated lungs. Methodology/Principal Findings Isolated perfused mouse lungs were perfused for 60 min or 180 min with MALP-2 (25 ng/mL), Pam3Cys (160 ng/mL) or LPS (1 µg/mL). We studied mediator release by enzyme linked immunosorbent assay (ELISA), the activation of mitogen activated protein kinase (MAPK) and AKT/protein kinase B by immunoblotting, and gene induction by quantitative polymerase chain reaction. All agonists activated the MAPK ERK1/2 and p38, but neither JNK or AKT kinase. The TLR ligands upregulated the inflammation related genes Tnf, Il1β, Il6, Il10, Il12, Ifng, Cxcl2 (MIP-2α) and Ptgs2. MALP-2 was more potent than Pam3Cys in inducing Slpi, Cxcl10 (IP10) and Parg. Remarkable was the strong induction of Tnc by MALP2, which was not seen with Pam3Cys or LPS. The growth factor related genes Areg and Hbegf were not affected. In addition, all three TLR agonists stimulated the release of IL-6, TNF, CXCL2 and CXCL10 protein from the lungs. Conclusions/Significance TLR2 and TLR4 activation leads to similar reactions in the lungs regarding MAPK activation, gene induction and mediator release. Several genes studied here have not yet been appreciated as targets of TLR2-activation in the lungs before, i.e., Slpi, tenascin C, Parg and Traf1. In addition, the MALP-2 dependent induction of Tnc may indicate the existence of TLR2/6-specific pathways.
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Affiliation(s)
- Martina Barrenschee
- Institute of Pharmacology and Toxicology, University Hospital Aachen, RWTH Aachen University, Aachen, Germany
| | - Dennis Lex
- Institute of Pharmacology and Toxicology, University Hospital Aachen, RWTH Aachen University, Aachen, Germany
| | - Stefan Uhlig
- Institute of Pharmacology and Toxicology, University Hospital Aachen, RWTH Aachen University, Aachen, Germany
- * E-mail:
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Jourdan-LeSaux C, Zhang J, Lindsey ML. Extracellular matrix roles during cardiac repair. Life Sci 2010; 87:391-400. [PMID: 20670633 PMCID: PMC2946433 DOI: 10.1016/j.lfs.2010.07.010] [Citation(s) in RCA: 80] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2010] [Revised: 06/30/2010] [Accepted: 07/16/2010] [Indexed: 02/06/2023]
Abstract
The cardiac extracellular matrix (ECM) provides a platform for cells to maintain structure and function, which in turn maintains tissue function. In response to injury, the ECM undergoes remodeling that involves synthesis, incorporation, and degradation of matrix proteins, with the net outcome determined by the balance of these processes. The major goals of this review are a) to serve as an initial resource for students and investigators new to the cardiac ECM remodeling field, and b) to highlight a few of the key exciting avenues and methodologies that have recently been explored. While we focus on cardiac injury and responses of the left ventricle (LV), the mechanisms reviewed here have pathways in common with other wound healing models.
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Affiliation(s)
- Claude Jourdan-LeSaux
- Division of Cardiology, Department of Medicine, The University of Texas Health Science Center at San Antonio
| | - Jianhua Zhang
- Division of Cardiology, Department of Medicine, The University of Texas Health Science Center at San Antonio
| | - Merry L. Lindsey
- Division of Cardiology, Department of Medicine, The University of Texas Health Science Center at San Antonio
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Nishioka T, Onishi K, Shimojo N, Nagano Y, Matsusaka H, Ikeuchi M, Ide T, Tsutsui H, Hiroe M, Yoshida T, Imanaka-Yoshida K. Tenascin-C may aggravate left ventricular remodeling and function after myocardial infarction in mice. Am J Physiol Heart Circ Physiol 2010; 298:H1072-8. [PMID: 20081106 DOI: 10.1152/ajpheart.00255.2009] [Citation(s) in RCA: 93] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Tenascin-C (TN-C) is an extracellular matrix glycoprotein with high bioactivity. It is expressed at low levels in normal adult heart, but upregulated under pathological conditions, such as myocardial infarction (MI). Recently, we (Ref. 34) reported that MI patients with high serum levels of TN-C have a greater incidence of maladaptive cardiac remodeling and a worse prognosis. We hypothesized that TN-C may aggravate left ventricular remodeling. To examine the effects of TN-C, MI was induced by ligating coronary arteries of TN-C knockout (KO) mice under anesthesia and comparing them with sibling wild-type (WT) mice. In WT+MI mice, TN-C expression was upregulated at day 1, peaked at day 5, downregulated and disappeared by day 28, and the molecule was localized in the border zone between intact myocardium and infarct lesions. The morphometrically determined infarct size and survival rate on day 28 were comparable between the WT+MI and KO+MI groups. Echocardiography and hemodynamic analyses demonstrated left ventricular end-diastolic diameter, myocardial stiffness, and left ventricular end-diastolic pressure to be significantly increased in both WT+MI and KO+MI mice compared with sham-operated mice. However, end-diastolic pressure and dimension and myocardial stiffness of KO+MI were lower than those of the WT+MI mice. Histological examination revealed normal tissue healing, but interstitial fibrosis in the residual myocardium in peri-infarcted areas was significantly less pronounced in KO+MI mice than in WT+MI mice. TN-C may thus accelerate adverse ventricular remodeling, cardiac failure, and fibrosis in the residual myocardium after MI.
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Affiliation(s)
- Tomohiro Nishioka
- Dept. of Pathology and Matrix Biology, Mie Univ. Graduate School of Medicine, Tsu, Japan
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Martina E, Degen M, Rüegg C, Merlo A, Lino MM, Chiquet-Ehrismann R, Brellier F. Tenascin-W is a specific marker of glioma-associated blood vessels and stimulates angiogenesis in vitro. FASEB J 2009; 24:778-87. [PMID: 19884327 PMCID: PMC2830132 DOI: 10.1096/fj.09-140491] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The microenvironment hosting a tumor actively participates in regulating tumor cell proliferation, migration, and invasion. Among the extracellular matrix proteins enriched in the stroma of carcinomas are the tenascin family members tenascin-C and tenascin-W. Whereas tenascin-C overexpression in gliomas is known to correlate with poor prognosis, the status of tenascin-W in brain tumors has not been investigated so far. In the present study, we analyzed protein levels of tenascin-W in 38 human gliomas and found expression of tenascin-W in 80% of the tumor samples, whereas no tenascin-W could be detected in control, nontumoral brain tissues. Double immunohistochemical staining of tenascin-W and von Willebrand factor revealed that tenascin-W is localized around blood vessels, exclusively in tumor samples. In vitro, the presence of tenascin-W increased the proportion of elongated human umbilical vein endothelial cells (HUVECs) and augmented the mean speed of cell migration. Furthermore, tenascin-W triggered sprouting of HUVEC spheroids to a similar extent as the proangiogenic factor tenascin-C. In conclusion, our study identifies tenascin-W as a candidate biomarker for brain tumor angiogenesis that could be used as a molecular target for therapy irrespective of the glioma subtype.—Martina, E., Degen, M., Rüegg, C., Merlo, A., Lino, M. M., Chiquet-Ehrismann, R., Brellier, F. Tenascin-W is a specific marker of glioma-associated blood vessels and stimulates angiogenesis in vitro.
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Affiliation(s)
- Enrico Martina
- Friedrich Miescher Institute for Biomedical Research, Novartis Research Foundation, Maulbeerstrasse 66, CH-4058 Basel, Switzerland
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