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Nada H, Kim S, Jaemin C, Park S, Choi Y, Lee MY, Lee K. From pixels to druggable leads: A CADD strategy for the design and synthesis of potent DDR1 inhibitors. COMPUTER METHODS AND PROGRAMS IN BIOMEDICINE 2024; 254:108318. [PMID: 38991374 DOI: 10.1016/j.cmpb.2024.108318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 06/30/2024] [Accepted: 07/04/2024] [Indexed: 07/13/2024]
Abstract
BACKGROUND AND OBJECTIVE While numerous in silico tools exist for target-based drug discovery, the inconsistent integration of in vitro data with predictive models hinders research and development productivity. This is particularly apparent during the Hit-to-Lead stage, where unreliable in-silico tools often lead to suboptimal lead selection. Herein, we address this challenge by presenting a CADD-guided pipeline that successfully integrates rational drug design with in-silico hits to identify a promising DDR1 lead. METHODS 2 × 1000 ns MD simulations along with their respective FEL and MMPBSA analyses were employed to guide the rational design and synthesis of 12 novel compounds which were evaluated for their DDR inhibition. RESULTS The molecular dynamics investigation of the initial hit led to the identification of key structural features within the DDR1 binding pocket. The identified key features were used to guide the rational design and synthesis of twelve novel derivatives. SAR analysis, biological evaluation, molecular dynamics, and free energy calculations were carried out for the synthesized derivatives to understand their mechanism of action. Compound 4c exhibited the strongest inhibition and selectivity for DDR1, with an IC50 of 0.11 µM. CONCLUSIONS The MD simulations led to the identification of a key hydrophobic groove in the DDR1 binding pocket. The integrated approach of SAR analysis with molecular dynamics led to the identification of compound 4c as a promising lead for further development of potent and selective DDR1 inhibitors. Moreover, this work establishes a protocol for translating in silico hits to real world bioactive druggable leads.
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Affiliation(s)
- Hossam Nada
- BK21 FOUR Team and Integrated Research Institute for Drug Development, College of Pharmacy, Dongguk University-Seoul, Goyang 10326, the Republic of Korea
| | - Sungdo Kim
- BK21 FOUR Team and Integrated Research Institute for Drug Development, College of Pharmacy, Dongguk University-Seoul, Goyang 10326, the Republic of Korea
| | - Cho Jaemin
- BK21 FOUR Team and Integrated Research Institute for Drug Development, College of Pharmacy, Dongguk University-Seoul, Goyang 10326, the Republic of Korea
| | - Suin Park
- BK21 FOUR Team and Integrated Research Institute for Drug Development, College of Pharmacy, Dongguk University-Seoul, Goyang 10326, the Republic of Korea
| | - Yongseok Choi
- College of Life Sciences and Biotechnology, Korea University, Seoul 02841, the Republic of Korea
| | - Moo Yeol Lee
- BK21 FOUR Team and Integrated Research Institute for Drug Development, College of Pharmacy, Dongguk University-Seoul, Goyang 10326, the Republic of Korea
| | - Kyeong Lee
- BK21 FOUR Team and Integrated Research Institute for Drug Development, College of Pharmacy, Dongguk University-Seoul, Goyang 10326, the Republic of Korea.
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2
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Torimoto K, Elliott K, Nakayama Y, Yanagisawa H, Eguchi S. Cardiac and perivascular myofibroblasts, matrifibrocytes, and immune fibrocytes in hypertension; commonalities and differences with other cardiovascular diseases. Cardiovasc Res 2024; 120:567-580. [PMID: 38395029 DOI: 10.1093/cvr/cvae044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 02/02/2024] [Accepted: 02/14/2024] [Indexed: 02/25/2024] Open
Abstract
Hypertension is a major cause of cardiovascular diseases such as myocardial infarction and stroke. Cardiovascular fibrosis occurs with hypertension and contributes to vascular resistance, aortic stiffness, and cardiac hypertrophy. However, the molecular mechanisms leading to fibroblast activation in hypertension remain largely unknown. There are two types of fibrosis: replacement fibrosis and reactive fibrosis. Replacement fibrosis occurs in response to the loss of viable tissue to form a scar. Reactive fibrosis occurs in response to an increase in mechanical and neurohormonal stress. Although both types of fibrosis are considered adaptive processes, they become maladaptive when the tissue loss is too large, or the stress persists. Myofibroblasts represent a subpopulation of activated fibroblasts that have gained contractile function to promote wound healing. Therefore, myofibroblasts are a critical cell type that promotes replacement fibrosis. Although myofibroblasts were recognized as the fibroblasts participating in reactive fibrosis, recent experimental evidence indicated there are distinct fibroblast populations in cardiovascular reactive fibrosis. Accordingly, we will discuss the updated definition of fibroblast subpopulations, the regulatory mechanisms, and their potential roles in cardiovascular pathophysiology utilizing new knowledge from various lineage tracing and single-cell RNA sequencing studies. Among the fibroblast subpopulations, we will highlight the novel roles of matrifibrocytes and immune fibrocytes in cardiovascular fibrosis including experimental models of hypertension, pressure overload, myocardial infarction, atherosclerosis, aortic aneurysm, and nephrosclerosis. Exploration into the molecular mechanisms involved in the differentiation and activation of those fibroblast subpopulations may lead to novel treatments for end-organ damage associated with hypertension and other cardiovascular diseases.
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Affiliation(s)
- Keiichi Torimoto
- Department of Cardiovascular Science, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, USA
| | - Katherine Elliott
- Department of Cardiovascular Science, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, USA
- Sol Sherry Thrombosis Research Center, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, USA
| | - Yuki Nakayama
- Department of Cardiovascular Science, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, USA
- Sol Sherry Thrombosis Research Center, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, USA
| | - Hiromi Yanagisawa
- Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, Tsukuba, Japan
- Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Satoru Eguchi
- Department of Cardiovascular Science, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, USA
- Sol Sherry Thrombosis Research Center, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, USA
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3
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Mariadoss AVA, Wang CZ. Exploring the Cellular and Molecular Mechanism of Discoidin Domain Receptors (DDR1 and DDR2) in Bone Formation, Regeneration, and Its Associated Disease Conditions. Int J Mol Sci 2023; 24:14895. [PMID: 37834343 PMCID: PMC10573612 DOI: 10.3390/ijms241914895] [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] [Received: 09/06/2023] [Revised: 10/01/2023] [Accepted: 10/02/2023] [Indexed: 10/15/2023] Open
Abstract
The tyrosine kinase family receptor of discoidin domain receptors (DDR1 and DDR2) is known to be activated by extracellular matrix collagen catalytic binding protein receptors. They play a remarkable role in cell proliferation, differentiation, migration, and cell survival. DDR1 of the DDR family regulates matrix-metalloproteinase, which causes extracellular matrix (ECM) remodeling and reconstruction during unbalanced homeostasis. Collagenous-rich DDR1 triggers the ECM of cartilage to regenerate the cartilage tissue in osteoarthritis (OA) and temporomandibular disorder (TMD). Moreover, DDR2 is prominently present in the fibroblasts, smooth muscle cells, myofibroblasts, and chondrocytes. It is crucial in generating and breaking collagen vital cellular activities like proliferation, differentiation, and adhesion mechanisms. However, the deficiency of DDR1 rather than DDR2 was detrimental in cases of OA and TMDs. DDR1 stimulated the ECM cartilage and improved bone regeneration. Based on the above information, we made an effort to outline the advancement of the utmost promising DDR1 and DDR2 regulation in bone and cartilage, also summarizing their structural, biological activity, and selectivity.
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Affiliation(s)
| | - Chau-Zen Wang
- Orthopaedic Research Center, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
- Regeneration Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
- Department of Physiology, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan
- College of Professional Studies, National Pingtung University of Science and Technology, Pingtung 912301, Taiwan
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4
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Zhou F, Zhu X, Liu Y, Sun Y, Zhang Y, Cheng D, Wang W. Coronary atherosclerosis and chemotherapy: From bench to bedside. Front Cardiovasc Med 2023; 10:1118002. [PMID: 36742069 PMCID: PMC9892653 DOI: 10.3389/fcvm.2023.1118002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 01/02/2023] [Indexed: 01/20/2023] Open
Abstract
Cardiovascular disease, particularly coronary artery disease, is the leading cause of death in humans worldwide. Coronary heart disease caused by chemotherapy affects the prognosis and survival of patients with tumors. The most effective chemotherapeutic drugs for cancer include proteasome inhibitors, tyrosine kinase inhibitors, immune checkpoint inhibitors, 5-fluorouracil, and anthracyclines. Animal models and clinical trials have consistently shown that chemotherapy is closely associated with coronary events and can cause serious adverse cardiovascular events. Adverse cardiovascular events after chemotherapy can affect the clinical outcome, treatment, and prognosis of patients with tumors. In recent years, with the development of new chemotherapeutic drugs, new discoveries have been made about the effects of drugs used for chemotherapy on cardiovascular disease and its related mechanisms, such as inflammation. This review article summarizes the effects of chemotherapeutic drugs on coronary artery disease and its related mechanisms to guide efforts in reducing cardiovascular adverse events during tumor chemotherapy, preventing the development of coronary heart disease, and designing new prevention and treatment strategies for cardiotoxicity caused by clinical tumor chemotherapy.
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Affiliation(s)
- Fanghui Zhou
- Department of Hematology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Xinxin Zhu
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Yao Liu
- Department of Hematology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Yue Sun
- Department of Blood and Endocrinology, The 962nd Hospital of the PLA Joint Logistic Support Force, Harbin, Heilongjiang, China
| | - Ying Zhang
- Key Laboratory of Preservation of Human Genetic Resources and Disease Control in China (Harbin Medical University), Ministry of Education, Harbin, China
| | | | - Wei Wang
- Department of Hematology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China,*Correspondence: Wei Wang,
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Carigga Gutierrez NM, Pujol-Solé N, Arifi Q, Coll JL, le Clainche T, Broekgaarden M. Increasing cancer permeability by photodynamic priming: from microenvironment to mechanotransduction signaling. Cancer Metastasis Rev 2022; 41:899-934. [PMID: 36155874 DOI: 10.1007/s10555-022-10064-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 09/06/2022] [Indexed: 01/25/2023]
Abstract
The dense cancer microenvironment is a significant barrier that limits the penetration of anticancer agents, thereby restraining the efficacy of molecular and nanoscale cancer therapeutics. Developing new strategies to enhance the permeability of cancer tissues is of major interest to overcome treatment resistance. Nonetheless, early strategies based on small molecule inhibitors or matrix-degrading enzymes have led to disappointing clinical outcomes by causing increased chemotherapy toxicity and promoting disease progression. In recent years, photodynamic therapy (PDT) has emerged as a novel approach to increase the permeability of cancer tissues. By producing excessive amounts of reactive oxygen species selectively in the cancer microenvironment, PDT increases the accumulation, penetration depth, and efficacy of chemotherapeutics. Importantly, the increased cancer permeability has not been associated to increased metastasis formation. In this review, we provide novel insights into the mechanisms by which this effect, called photodynamic priming, can increase cancer permeability without promoting cell migration and dissemination. This review demonstrates that PDT oxidizes and degrades extracellular matrix proteins, reduces the capacity of cancer cells to adhere to the altered matrix, and interferes with mechanotransduction pathways that promote cancer cell migration and differentiation. Significant knowledge gaps are identified regarding the involvement of critical signaling pathways, and to which extent these events are influenced by the complicated PDT dosimetry. Addressing these knowledge gaps will be vital to further develop PDT as an adjuvant approach to improve cancer permeability, demonstrate the safety and efficacy of this priming approach, and render more cancer patients eligible to receive life-extending treatments.
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Affiliation(s)
| | - Núria Pujol-Solé
- Université Grenoble Alpes, Inserm U 1209, CNRS UMR 5309, Institute for Advanced Biosciences, 38000, Grenoble, France
| | - Qendresa Arifi
- Université Grenoble Alpes, Inserm U 1209, CNRS UMR 5309, Institute for Advanced Biosciences, 38000, Grenoble, France
| | - Jean-Luc Coll
- Université Grenoble Alpes, Inserm U 1209, CNRS UMR 5309, Institute for Advanced Biosciences, 38000, Grenoble, France
| | - Tristan le Clainche
- Université Grenoble Alpes, Inserm U 1209, CNRS UMR 5309, Institute for Advanced Biosciences, 38000, Grenoble, France.
| | - Mans Broekgaarden
- Université Grenoble Alpes, Inserm U 1209, CNRS UMR 5309, Institute for Advanced Biosciences, 38000, Grenoble, France.
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6
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Carracedo M, Pawelzik SC, Artiach G, Pouwer MG, Plunde O, Saliba-Gustafsson P, Ehrenborg E, Eriksson P, Pieterman E, Stenke L, Princen HMG, Franco-Cereceda A, Bäck M. The tyrosine kinase inhibitor nilotinib targets discoidin domain receptor 2 in calcific aortic valve stenosis. Br J Pharmacol 2022; 179:4709-4721. [PMID: 35751904 PMCID: PMC9544120 DOI: 10.1111/bph.15911] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 03/16/2022] [Accepted: 04/14/2022] [Indexed: 11/27/2022] Open
Abstract
Background and Purpose Tyrosine kinase inhibitors (TKI) used to treat chronic myeloid leukaemia (CML) have been associated with cardiovascular side effects, including reports of calcific aortic valve stenosis. The aim of this study was to establish the effects of first and second generation TKIs in aortic valve stenosis and to determine the associated molecular mechanisms. Experimental Approach Hyperlipidemic APOE*3Leiden.CETP transgenic mice were treated with nilotinib, imatinib or vehicle. Human valvular interstitial cells (VICs) were isolated and studied in vitro. Gene expression analysis was perfromed in aortic valves from 64 patients undergoing aortic valve replacement surgery. Key Results Nilotinib increased murine aortic valve thickness. Nilotinib, but not imatinib, promoted calcification and osteogenic activation and decreased autophagy in human VICs. Differential tyrosine kinase expression was detected between healthy and calcified valve tissue. Transcriptomic target identification revealed that the discoidin domain receptor DDR2, which is preferentially inhibited by nilotinib, was predominantly expressed in human aortic valves but markedly downregulated in calcified valve tissue. Nilotinib and selective DDR2 targeting in VICs induced a similar osteogenic activation, which was blunted by increasing the DDR2 ligand, collagen. Conclusions and Implications These findings suggest that inhibition of DDR2 by nilotinib promoted aortic valve thickening and VIC calcification, with possible translational implications for cardiovascular surveillance and possible personalized medicine in CML patients.
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Affiliation(s)
| | - Sven-Christian Pawelzik
- Department of Medicine, Karolinska Institutet.,Theme Heart and Vessels, Division of Valvular and Coronary Disease, Karolinska University Hospital, Stockholm, Sweden
| | | | - Marianne G Pouwer
- Metabolic Health Research, Gaubius Laboratory, The Netherlands Organization of Applied Scientific Research (TNO), Leiden, the Netherlands
| | | | | | | | | | - Elsbet Pieterman
- Metabolic Health Research, Gaubius Laboratory, The Netherlands Organization of Applied Scientific Research (TNO), Leiden, the Netherlands
| | - Leif Stenke
- Department of Medicine, Karolinska Institutet.,Theme Cancer, Division of Hematology, Karolinska University Hospital
| | - Hans M G Princen
- Metabolic Health Research, Gaubius Laboratory, The Netherlands Organization of Applied Scientific Research (TNO), Leiden, the Netherlands
| | - Anders Franco-Cereceda
- Department of Molecular Medicine and Surgery, Karolinska Institutet.,Theme Heart and Vessels, Division of Valvular and Coronary Disease, Karolinska University Hospital, Stockholm, Sweden
| | - Magnus Bäck
- Department of Medicine, Karolinska Institutet.,Theme Heart and Vessels, Division of Valvular and Coronary Disease, Karolinska University Hospital, Stockholm, Sweden
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7
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Nada H, Lee K, Gotina L, Pae AN, Elkamhawy A. Identification of novel discoidin domain receptor 1 (DDR1) inhibitors using E-pharmacophore modeling, structure-based virtual screening, molecular dynamics simulation and MM-GBSA approaches. Comput Biol Med 2022; 142:105217. [PMID: 35032738 DOI: 10.1016/j.compbiomed.2022.105217] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 01/03/2022] [Accepted: 01/03/2022] [Indexed: 12/11/2022]
Abstract
Dysregulation of the discoidin domain receptor (DDR1), a collagen-activated receptor tyrosine kinase, has been linked to several human cancer diseases including non-small cell lung carcinoma (NSCLC), ovarian cancer, glioblastoma, and breast cancer, in addition to several inflammatory and neurological conditions. Although there are some selective DDR1 inhibitors that have been discovered during the last two decades, a combination of elevated cytotoxicity, kinome selectivity and/or poor DMPK profile has prevented more in-depth studies from being performed. As such, no DDR1 inhibitor has reached clinical investigation to date, forming an urgent need to develop specific DDR1 inhibitor(s) using various drug discovery means. However, the recent discovery of VU6015929, a potent and selective DDR1 kinase inhibitor, with enhanced physiochemical and DMPK properties in addition to its clean kinome profile marked a milestone in the development of DDR1 inhibitors. Herein, VU6015929 was used to construct a 3D e-pharmacophore model which was validated via calculating the difference of score between the active compounds and decoys. The validated e-pharmacophore model was then utilized to screen 20 million drug-like compounds obtained from the freely accessible Zinc database. The generated hits were ranked using high throughput virtual screening technique (HTVS), and the top 8 small molecules were subjected to a molecular docking study and MM-GBSA calculations. Protein-ligand complexes of compounds 1, 2, 3 and the standard compound (VU6015929) were performed for 100 ns and compared with the DDR1 unbound protein state and the DDR1 bound to a co-crystallized ligand. The molecular docking, MD and MM-GBSA outputs revealed compounds 1-3 as potential DDR1 inhibitors, with compound 2 displaying superior binding affinity, comparable binding stability and average binding free energy for the ligand-enzyme complex compared to VU6015929.
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Affiliation(s)
- Hossam Nada
- College of Pharmacy, Dongguk University-Seoul, Goyang, 10326, Republic of Korea
| | - Kyeong Lee
- BK21 FOUR Team and Integrated Research Institute for Drug Development, College of Pharmacy, Dongguk University-Seoul, Goyang, 10326, Republic of Korea
| | - Lizaveta Gotina
- Division of Bio-Medical Science & Technology, KIST School, University of Science and Technology (UST), Seoul, 02792, Republic of Korea; Convergence Research Center for Diagnosis, Treatment and Care System of Dementia, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
| | - Ae Nim Pae
- Division of Bio-Medical Science & Technology, KIST School, University of Science and Technology (UST), Seoul, 02792, Republic of Korea; Convergence Research Center for Diagnosis, Treatment and Care System of Dementia, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
| | - Ahmed Elkamhawy
- College of Pharmacy, Dongguk University-Seoul, Goyang, 10326, Republic of Korea; Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt.
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8
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Discoidin Domain-Containing Receptor 2 Is Present in Human Atherosclerotic Plaques and Involved in the Expression and Activity of MMP-2. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:1010496. [PMID: 34956435 PMCID: PMC8702333 DOI: 10.1155/2021/1010496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Accepted: 11/30/2021] [Indexed: 11/17/2022]
Abstract
Discoidin domain-containing receptor 2 (DDR2) has been suggested to be involved in atherosclerotic progression, but its pathological role remains unknown. Using immunochemical staining, we located and compared the expression of DDR2 in the atherosclerotic plaques of humans and various animal models. Then, siRNA was applied to knock down the expression of DDR2 in vascular smooth muscle cells (VSMCs), and the migration, proliferation, and collagen Ι-induced expression of matrix metalloproteinases (MMPs) were evaluated. We found that an abundance of DDR2 was present in the atherosclerotic plaques of humans and various animal models and was distributed around fatty and necrotic cores. After incubation of oxidized low-density lipoprotein (ox-LDL), DDR2 was upregulated in VSMCs in response to such a proatherosclerotic condition. Next, we found that decreased DDR2 expression in VSMCs inhibited the migration, proliferation, and collagen Ι-induced expression of matrix metalloproteinases (MMPs). Moreover, we found that DDR2 is strongly associated with the protein expression and activity of MMP-2, suggesting that DDR2 might play a role in the etiology of unstable plaques. Considering that DDR2 is present in the atherosclerotic plaques of humans and is associated with collagen Ι-induced secretion of MMP-2, the clinical role of DDR2 in cardiovascular disease should be elucidated in further experiments.
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9
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Xiao L, Liu C, Wang B, Fei W, Mu Y, Xu L, Li Y. Targeting Discoidin Domain Receptor 2 for the Development of Disease-Modifying Osteoarthritis Drugs. Cartilage 2021; 13:1285S-1291S. [PMID: 31177815 PMCID: PMC8804771 DOI: 10.1177/1947603519852401] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
One of the most pressing issues in osteoarthritis (OA) research is the development of disease-modifying OA drugs (DMOADs), as currently there are no such drugs available. The paucity of suitable DMOADs is mostly due to the lack of approved ideal therapeutic targets necessary for the development of these drugs. However, based on recent discoveries from our laboratory and other independent laboratories, it is indicated that a cell surface receptor tyrosine kinase for collagen type II, discoidin domain receptor 2 (DDR2), may be an ideal therapeutic target for the development of DMOADs. In this article, we review the current status of research in understanding roles of DDR2 in the development of OA.
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Affiliation(s)
- Li Xiao
- Department of Stomatology, Sichuan
Academy of Medical Sciences and Sichuan Provincial People’s Hospital,
Chengdu, Sichuan, China,Department of Developmental
Biology, Harvard School of Dental Medicine, Boston, MA, USA
| | - Chenlu Liu
- Department of Developmental
Biology, Harvard School of Dental Medicine, Boston, MA, USA,Laboratory of Molecular and
Translational Medicine, Key Laboratory of Birth Defects and Related Diseases
of Women and Children of Ministry of Education, West China Second University
Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Beiyu Wang
- Department of Orthopaedic Surgery,
West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Wei Fei
- Department of Stomatology, Sichuan
Academy of Medical Sciences and Sichuan Provincial People’s Hospital,
Chengdu, Sichuan, China
| | - Yandong Mu
- Department of Stomatology, Sichuan
Academy of Medical Sciences and Sichuan Provincial People’s Hospital,
Chengdu, Sichuan, China
| | - Lin Xu
- Department of Developmental
Biology, Harvard School of Dental Medicine, Boston, MA, USA,Faculty of Medicine, Harvard
Medical School, Boston, MA, USA,Lin Xu, Harvard School of Dental
Medicine, 188 Longwood Ave, Boston, MA 02115, USA.
| | - Yefu Li
- Department of Developmental
Biology, Harvard School of Dental Medicine, Boston, MA, USA,Faculty of Medicine, Harvard
Medical School, Boston, MA, USA
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10
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Xu M, Cui C. Discoidin Domain Receptor Tyrosine Kinase 1 (DDR1): A Novel Predictor for Recurrence of Hepatocellular Carcinoma After Curative Resection. Med Sci Monit 2021; 27:e933109. [PMID: 34815375 PMCID: PMC8628480 DOI: 10.12659/msm.933109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND Previous studies showed that the discoidin domain receptor tyrosine kinase 1 (DDR1) is significantly elevated in a variety of cancers, and it is closely related to the occurrence and development of tumors. However, its clinical significance in hepatocellular carcinoma (HCC) is not fully elucidated. So, in this study, we aimed to systemically evaluate the prognostic value of DDR1 in HCC. MATERIAL AND METHODS A total of 200 individuals were enrolled in this study (including 120 HCC patients, 40 chronic hepatitis patients, and 40 health individuals). The contents of DDR1 in serum was measured by enzyme-linked immunosorbent assay (ELISA), while the expression level of DDR1 in para-tumor and tumor tissue was detected by immunohistochemistry staining. Kaplan-Meier, Cox regression analyses, and log-rank test were used to assess the prognostic value. RESULTS The contents of DDR1 in serum of HCC patients was significantly higher compared with chronic hepatitis patients (P<0.01) and health individuals (P<0.001). The expression level of DDR1 in tumors was higher than that in normal liver tissue, and it had relatively strong correlation with DDR1 in serum. We next demonstrated that high DDR1 has utility as a prognostic risk factor for tumor recurrence and metastasis, and it still retains its discrimination ability in low-risk groups (BCLC 0+A). Moreover, DDR1 is as an independent predictor of prognosis in HCC patients with microvascular invasion (MVI), and is strongly associated with epithelial-mesenchymal transition (EMT)-related protein. CONCLUSIONS DDR1 is a novel predictor for HCC recurrence. Integration of serum and tumor DDR1 detection into clinical management would provide convenience and enhanced accuracy in clinical practice.
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Affiliation(s)
- Meng Xu
- Department of Stomatology, Huashan Hospital, Fudan University, Shanghai, China (mainland)
| | - Chenghao Cui
- Department of Stomatology, Huashan Hospital, Fudan University, Shanghai, China (mainland)
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11
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Denny WA, Flanagan JU. Inhibitors of Discoidin Domain Receptor (DDR) Kinases for Cancer and Inflammation. Biomolecules 2021; 11:biom11111671. [PMID: 34827669 PMCID: PMC8615839 DOI: 10.3390/biom11111671] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 11/01/2021] [Accepted: 11/03/2021] [Indexed: 01/22/2023] Open
Abstract
The discoidin domain receptor tyrosine kinases DDR1 and DDR2 are distinguished from other kinase enzymes by their extracellular domains, which interact with collagen rather than with peptidic growth factors, before initiating signaling via tyrosine phosphorylation. They share significant sequence and structural homology with both the c-Kit and Bcr-Abl kinases, and so many inhibitors of those kinases are also effective. Nevertheless, there has been an extensive research effort to develop potent and specific DDR inhibitors. A key interaction for many of these compounds is H-bonding to Met-704 in a hydrophobic pocket of the DDR enzyme. The most widespread use of DDR inhibitors has been for cancer therapy, but they have also shown effectiveness in animal models of inflammatory conditions such as Alzheimer’s and Parkinson’s diseases, and in chronic renal failure and glomerulonephritis.
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Affiliation(s)
- William A. Denny
- Auckland Cancer Society Research Centre, Maurice Wilkins Centre, School of Medical Sciences, University of Auckland, Auckland 1142, New Zealand;
- Correspondence:
| | - Jack U. Flanagan
- Auckland Cancer Society Research Centre, Maurice Wilkins Centre, School of Medical Sciences, University of Auckland, Auckland 1142, New Zealand;
- Department of Pharmacology and Clinical Pharmacology, School of Medical Sciences, University of Auckland, Auckland 1142, New Zealand
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12
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Yan L, Xie X, Niu BX, Wu MT, Tong WQ, He SY, Huang CY, Zhao WC, Li G, Li NS, Jiang JL. Involvement of miR-199a-3p/DDR1 in vascular endothelial cell senescence in diabetes. Eur J Pharmacol 2021; 908:174317. [PMID: 34270989 DOI: 10.1016/j.ejphar.2021.174317] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 06/21/2021] [Accepted: 07/07/2021] [Indexed: 10/20/2022]
Abstract
Endothelial cell dysfunction is a prominent feature of diabetic cardiovascular complications, and endothelial cell senescence is considered to be an important contributor to endothelial dysfunction. Discoidin domain receptor 1 (DDR1) has been reported to be involved in atherogenesis and cerebral ischemia/reperfusion injury. In this study, we aimed to explore the role of DDR1 in endothelial cell senescence under diabetic conditions and elucidate the underlying mechanisms. A diabetic rat model was established by a single intraperitoneal injection of streptozocin (STZ) (60 mg/kg), which showed an increase in senescence-associated β-galactosidase (SA-β-gal) staining signal of thoracic aortic endothelium, impaired vascular structure and function, accompanied by an up-regulation of DDR1. Next, we verified the role of DDR1 in endothelial senescence and the underlying mechanisms in high glucose-treated human umbilical vein endothelial cells (HUVECs). Consistent with the in vivo findings, high glucose induced endothelial senescence, impaired endothelial function and elevated DDR1 expression, accompanied by the elevation of senescence-related genes p53 and p21 expression, and these effects were reversed by DDR1 siRNA. DDR1 has been documented to be a potential target of miR-199a-3p. Here, we found that miR-199a-3p was down-regulated by high glucose in the aorta tissue and HUVECs, while miR-199a-3p mimic significantly suppressed increased endothelial senescence and elevated DDR1 induced by high glucose. In conclusion, our data demonstrated that miR-199a-3p/DDR1/p53/p21 signaling pathway was involved in endothelial senescence under diabetic conditions, and therapeutic targeting DDR1 would be exploited to inhibit endothelial senescence owing to high glucose exposure.
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Affiliation(s)
- Li Yan
- Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China; Departments of Pharmacy, Wuhan Asia General Hospital, Wuhan, 430056, China
| | - Xu Xie
- Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Bing-Xuan Niu
- Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Mei-Ting Wu
- Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Wei-Qiang Tong
- Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Shuang-Yi He
- Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Chu-Yi Huang
- Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Wei-Chen Zhao
- Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Ge Li
- Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Nian-Sheng Li
- Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Jun-Lin Jiang
- Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China; Provincial Key Laboratory of Cardiovascular Research, Central South University, Changsha, 410078, China.
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13
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Elkamhawy A, Lu Q, Nada H, Woo J, Quan G, Lee K. The Journey of DDR1 and DDR2 Kinase Inhibitors as Rising Stars in the Fight Against Cancer. Int J Mol Sci 2021; 22:ijms22126535. [PMID: 34207360 PMCID: PMC8235339 DOI: 10.3390/ijms22126535] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 06/07/2021] [Accepted: 06/13/2021] [Indexed: 12/12/2022] Open
Abstract
Discoidin domain receptor (DDR) is a collagen-activated receptor tyrosine kinase that plays critical roles in regulating essential cellular processes such as morphogenesis, differentiation, proliferation, adhesion, migration, invasion, and matrix remodeling. As a result, DDR dysregulation has been attributed to a variety of human cancer disorders, for instance, non-small-cell lung carcinoma (NSCLC), ovarian cancer, glioblastoma, and breast cancer, in addition to some inflammatory and neurodegenerative disorders. Since the target identification in the early 1990s to date, a lot of efforts have been devoted to the development of DDR inhibitors. From a medicinal chemistry perspective, we attempted to reveal the progress in the development of the most promising DDR1 and DDR2 small molecule inhibitors covering their design approaches, structure-activity relationship (SAR), biological activity, and selectivity.
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Affiliation(s)
- Ahmed Elkamhawy
- College of Pharmacy, Dongguk University-Seoul, Goyang 10326, Korea or (A.E.); (Q.L.); (H.N.); (J.W.); (G.Q.)
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt
| | - Qili Lu
- College of Pharmacy, Dongguk University-Seoul, Goyang 10326, Korea or (A.E.); (Q.L.); (H.N.); (J.W.); (G.Q.)
| | - Hossam Nada
- College of Pharmacy, Dongguk University-Seoul, Goyang 10326, Korea or (A.E.); (Q.L.); (H.N.); (J.W.); (G.Q.)
| | - Jiyu Woo
- College of Pharmacy, Dongguk University-Seoul, Goyang 10326, Korea or (A.E.); (Q.L.); (H.N.); (J.W.); (G.Q.)
| | - Guofeng Quan
- College of Pharmacy, Dongguk University-Seoul, Goyang 10326, Korea or (A.E.); (Q.L.); (H.N.); (J.W.); (G.Q.)
| | - Kyeong Lee
- College of Pharmacy, Dongguk University-Seoul, Goyang 10326, Korea or (A.E.); (Q.L.); (H.N.); (J.W.); (G.Q.)
- Correspondence:
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14
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Angel PM, Rujchanarong D, Pippin S, Spruill L, Drake R. Mass Spectrometry Imaging of Fibroblasts: Promise and Challenge. Expert Rev Proteomics 2021; 18:423-436. [PMID: 34129411 PMCID: PMC8717608 DOI: 10.1080/14789450.2021.1941893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Accepted: 06/09/2021] [Indexed: 10/21/2022]
Abstract
INTRODUCTION Fibroblasts maintain tissue and organ homeostasis through output of extracellular matrix that affects nearby cell signaling within the stroma. Altered fibroblast signaling contributes to many disease states and extracellular matrix secreted by fibroblasts has been used to stratify patient by outcome, recurrence, and therapeutic resistance. Recent advances in imaging mass spectrometry allow access to single cell fibroblasts and their ECM niche within clinically relevant tissue samples. AREAS COVERED We review biological and technical challenges as well as new solutions to proteomic access of fibroblast expression within the complex tissue microenvironment. Review topics cover conventional proteomic methods for single fibroblast analysis and current approaches to accessing single fibroblast proteomes by imaging mass spectrometry approaches. Strategies to target and evaluate the single cell stroma proteome on the basis of cell signaling are presented. EXPERT OPINION The promise of defining proteomic signatures from fibroblasts and their extracellular matrix niches is the discovery of new disease markers and the ability to refine therapeutic treatments. Several imaging mass spectrometry approaches exist to define the fibroblast in the setting of pathological changes from clinically acquired samples. Continued technology advances are needed to access and understand the stromal proteome and apply testing to the clinic.
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Affiliation(s)
- Peggi M. Angel
- Department of Cell and Molecular Pharmacology & Experimental Therapeutics, Bruker-MUSC Center of Excellence, Clinical Glycomics, Medical University of South Carolina, Charleston SC USA
| | - Denys Rujchanarong
- Department of Cell and Molecular Pharmacology & Experimental Therapeutics, Bruker-MUSC Center of Excellence, Clinical Glycomics, Medical University of South Carolina, Charleston SC USA
| | - Sarah Pippin
- Department of Cell and Molecular Pharmacology & Experimental Therapeutics, Bruker-MUSC Center of Excellence, Clinical Glycomics, Medical University of South Carolina, Charleston SC USA
| | - Laura Spruill
- Department of Pathology and Laboratory Medicine, Medical University of South Carolina, Charleston, SC
| | - Richard Drake
- Department of Cell and Molecular Pharmacology & Experimental Therapeutics, Bruker-MUSC Center of Excellence, Clinical Glycomics, Medical University of South Carolina, Charleston SC USA
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15
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Ke G, Hans C, Agarwal G, Orion K, Go M, Hao W. Mathematical model of atherosclerotic aneurysm. MATHEMATICAL BIOSCIENCES AND ENGINEERING : MBE 2021; 18:1465-1484. [PMID: 33757194 DOI: 10.3934/mbe.2021076] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Atherosclerosis is a major cause of abdominal aortic aneurysm (AAA) and up to 80% of AAA patients have atherosclerosis. Therefore it is critical to understand the relationship and interactions between atherosclerosis and AAA to treat atherosclerotic aneurysm patients more effectively. In this paper, we develop a mathematical model to mimic the progression of atherosclerotic aneurysms by including both the multi-layer structured arterial wall and the pathophysiology of atherosclerotic aneurysms. The model is given by a system of partial differential equations with free boundaries. Our results reveal a 2D biomarker, the cholesterol ratio and DDR1 level, assessing the risk of atherosclerotic aneurysms. The efficacy of different treatment plans is also explored via our model and suggests that the dosage of anti-cholesterol drugs is significant to slow down the progression of atherosclerotic aneurysms while the additional anti-DDR1 injection can further reduce the risk.
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Affiliation(s)
- Guoyi Ke
- Department of Mathematics and Physical Sciences, Louisiana State University at Alexandria, Alexandria, LA 71302, USA
| | - Chetan Hans
- School of Medicine, University of Missouri, Columbia, MO 65212, USA
| | - Gunjan Agarwal
- Department of Mechanical Aerospace Engineering, Ohio State University, Columbus, OH 43210-1142, USA
| | - Kristine Orion
- Ohio State Uniersity Wexner Medical Center, Columbus, OH 43210-1142, USA
| | - Michael Go
- Ohio State Uniersity Wexner Medical Center, Columbus, OH 43210-1142, USA
| | - Wenrui Hao
- Department of Mathematics, Pennsylvania State University, PA 16802, USA
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16
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SOX10-regulated promoter use defines isoform-specific gene expression in Schwann cells. BMC Genomics 2020; 21:549. [PMID: 32770939 PMCID: PMC7430845 DOI: 10.1186/s12864-020-06963-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 07/29/2020] [Indexed: 01/12/2023] Open
Abstract
Background Multicellular organisms adopt various strategies to tailor gene expression to cellular contexts including the employment of multiple promoters (and the associated transcription start sites (TSSs)) at a single locus that encodes distinct gene isoforms. Schwann cells—the myelinating cells of the peripheral nervous system (PNS)—exhibit a specialized gene expression profile directed by the transcription factor SOX10, which is essential for PNS myelination. SOX10 regulates promoter elements associated with unique TSSs and gene isoforms at several target loci, implicating SOX10-mediated, isoform-specific gene expression in Schwann cell function. Here, we report on genome-wide efforts to identify SOX10-regulated promoters and TSSs in Schwann cells to prioritize genes and isoforms for further study. Results We performed global TSS analyses and mined previously reported ChIP-seq datasets to assess the activity of SOX10-bound promoters in three models: (i) an adult mammalian nerve; (ii) differentiating primary Schwann cells, and (iii) cultured Schwann cells with ablated SOX10 function. We explored specific characteristics of SOX10-dependent TSSs, which provides confidence in defining them as SOX10 targets. Finally, we performed functional studies to validate our findings at four previously unreported SOX10 target loci: ARPC1A, CHN2, DDR1, and GAS7. These findings suggest roles for the associated SOX10-regulated gene products in PNS myelination. Conclusions In sum, we provide comprehensive computational and functional assessments of SOX10-regulated TSS use in Schwann cells. The data presented in this study will stimulate functional studies on the specific mRNA and protein isoforms that SOX10 regulates, which will improve our understanding of myelination in the peripheral nerve.
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17
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Chappell WH, Candido S, Abrams SL, Akula SM, Steelman LS, Martelli AM, Ratti S, Cocco L, Cervello M, Montalto G, Nicoletti F, Libra M, McCubrey JA. Influences of TP53 and the anti-aging DDR1 receptor in controlling Raf/MEK/ERK and PI3K/Akt expression and chemotherapeutic drug sensitivity in prostate cancer cell lines. Aging (Albany NY) 2020; 12:10194-10210. [PMID: 32492656 PMCID: PMC7346063 DOI: 10.18632/aging.103377] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Accepted: 05/20/2020] [Indexed: 12/20/2022]
Abstract
Background: TP53 plays critical roles in sensitivity to chemotherapy, and aging. Collagen is very important in aging. The molecular structure and biochemical properties of collagen changes during aging. The discoidin domain receptor (DDR1) is regulated in part by collagen. Elucidating the links between TP53 and DDR1 in chemosensitivity and aging could improve therapies against cancer and aging. Results: Restoration of WT-TP53 activity resulted in increased sensitivity to chemotherapeutic drugs and elevated expression of key components of the Raf/MEK/ERK, PI3K/Akt and DDR1 pathways. DDR1 could modulate the levels of Raf/MEK/ERK and PI3K/Akt pathways as well as sensitize the cells to chemotherapeutic drugs. In contrast, suppression of WT TP53 with a dominant negative (DN) TP53 gene, suppressed DDR1 protein levels and increased their chemoresistance. Conclusion: Restoration of WT TP53 activity or increased expression of the anti-aging DDR1 collagen receptor can result in enhanced sensitivity to chemotherapeutic drugs. Our innovative studies indicate the important links between WT TP53 and DDR1 which can modulate Raf/MEK/ERK and PI3K/Akt signaling as well as chemosensitivity and aging. Methods: We investigated the roles of wild type (WT) and mutant TP53 on drug sensitivity of prostate cancer cells and the induction of Raf/MEK/ERK, PI3K/Akt and DDR1 expression and chemosensitivity.
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Affiliation(s)
- William H Chappell
- Department of Microbiology and Immunology, Brody School of Medicine, East Carolina University, Greenville, NC 27834, USA.,Current Address: Becton, Dickinson and Company (BD), BD Diagnostics, Franklin Lakes, NJ 07417, USA
| | - Saverio Candido
- Research Center for Prevention, Diagnosis and Treatment of Cancer (PreDiCT), University of Catania, Catania, Italy.,Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Stephen L Abrams
- Department of Microbiology and Immunology, Brody School of Medicine, East Carolina University, Greenville, NC 27834, USA
| | - Shaw M Akula
- Department of Microbiology and Immunology, Brody School of Medicine, East Carolina University, Greenville, NC 27834, USA
| | - Linda S Steelman
- Department of Microbiology and Immunology, Brody School of Medicine, East Carolina University, Greenville, NC 27834, USA
| | - Alberto M Martelli
- Department of Biomedical and Neuromotor Sciences, Università di Bologna, Bologna, Italy
| | - Stefano Ratti
- Department of Biomedical and Neuromotor Sciences, Università di Bologna, Bologna, Italy
| | - Lucio Cocco
- Department of Biomedical and Neuromotor Sciences, Università di Bologna, Bologna, Italy
| | - Melchiorre Cervello
- Institute for Biomedical Research and Innovation, National Research Council (CNR), Palermo, Italy
| | - Giuseppe Montalto
- Institute for Biomedical Research and Innovation, National Research Council (CNR), Palermo, Italy.,Department of Health Promotion, Maternal and Child Care, Internal Medicine and Medical Specialties, University of Palermo, Palermo, Italy
| | - Ferdinando Nicoletti
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Massimo Libra
- Research Center for Prevention, Diagnosis and Treatment of Cancer (PreDiCT), University of Catania, Catania, Italy.,Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - James A McCubrey
- Department of Microbiology and Immunology, Brody School of Medicine, East Carolina University, Greenville, NC 27834, USA
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18
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Ushakumary MG, Wang M, V H, Titus AS, Zhang J, Liu L, Monticone R, Wang Y, Mattison JA, de Cabo R, Lakatta EG, Kailasam S. Discoidin domain Receptor 2: A determinant of metabolic syndrome-associated arterial fibrosis in non-human primates. PLoS One 2019; 14:e0225911. [PMID: 31805124 PMCID: PMC6894805 DOI: 10.1371/journal.pone.0225911] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Accepted: 11/14/2019] [Indexed: 01/31/2023] Open
Abstract
Collagen accumulation and remodeling in the vascular wall is a cardinal feature of vascular fibrosis that exacerbates the complications of hypertension, aging, diabetes and atherosclerosis. With no specific therapy available to date, identification of mechanisms underlying vascular fibrogenesis is an important clinical goal. Here, we tested the hypothesis that Discoidin Domain Receptor 2 (DDR2), a collagen-specific receptor tyrosine kinase, is a determinant of arterial fibrosis. We report a significant increase in collagen type 1 levels along with collagen and ECM remodeling, degradation of elastic laminae, enhanced fat deposition and calcification in the abdominal aorta in a non-human primate model of high-fat, high-sucrose diet (HFS)-induced metabolic syndrome. These changes were associated with a marked increase in DDR2. Resveratrol attenuated collagen type I deposition and remodeling induced by the HFS diet, with a concomintant reduction in DDR2. Further, in isolated rat vascular adventitial fibroblasts and VSMCs, hyperglycemia increased DDR2 and collagen type I expression via TGF-β1/SMAD2/3, which was attenuated by resveratrol. Notably, gene knockdown and overexpression approaches demonstrated an obligate role for DDR2 in hyperglycemia-induced increase in collagen type I expression in these cells. Together, our observations point to DDR2 as a hitherto unrecognized molecular link between metabolic syndrome and arterial fibrosis, and hence a therapeutic target.
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Affiliation(s)
- Mereena George Ushakumary
- Division of Cellular and Molecular Cardiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum, Kerala, India
| | - Mingyi Wang
- Laboratory of Cardiovascular Science, National Institute on Aging, National Institute on Aging/National Institutes of Health, Baltimore, Maryland, United States of America
| | - Harikrishnan V
- Division of Cellular and Molecular Cardiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum, Kerala, India
| | - Allen Sam Titus
- Division of Cellular and Molecular Cardiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum, Kerala, India
| | - Jing Zhang
- Laboratory of Cardiovascular Science, National Institute on Aging, National Institute on Aging/National Institutes of Health, Baltimore, Maryland, United States of America
| | - Lijuan Liu
- Laboratory of Cardiovascular Science, National Institute on Aging, National Institute on Aging/National Institutes of Health, Baltimore, Maryland, United States of America
| | - Robert Monticone
- Laboratory of Cardiovascular Science, National Institute on Aging, National Institute on Aging/National Institutes of Health, Baltimore, Maryland, United States of America
| | - Yushi Wang
- Laboratory of Cardiovascular Science, National Institute on Aging, National Institute on Aging/National Institutes of Health, Baltimore, Maryland, United States of America
- Department of Cardiology, The First Hospital of Jilin University, Changchun, China
| | - Julie A. Mattison
- Translational Gerontology Branch, National Institute on Aging, National Institute on Aging/National Institutes of Health, Baltimore, Maryland, United States of America
| | - Rafael de Cabo
- Translational Gerontology Branch, National Institute on Aging, National Institute on Aging/National Institutes of Health, Baltimore, Maryland, United States of America
| | - Edward G. Lakatta
- Laboratory of Cardiovascular Science, National Institute on Aging, National Institute on Aging/National Institutes of Health, Baltimore, Maryland, United States of America
| | - Shivakumar Kailasam
- Division of Cellular and Molecular Cardiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum, Kerala, India
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19
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Vella V, Malaguarnera R, Nicolosi ML, Morrione A, Belfiore A. Insulin/IGF signaling and discoidin domain receptors: An emerging functional connection. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2019; 1866:118522. [PMID: 31394114 DOI: 10.1016/j.bbamcr.2019.118522] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 07/30/2019] [Accepted: 07/31/2019] [Indexed: 12/28/2022]
Abstract
The insulin/insulin-like growth factor system (IIGFs) plays a fundamental role in the regulation of prenatal and postnatal growth, metabolism and homeostasis. As a consequence, dysregulation of this axis is associated with growth disturbance, type 2 diabetes, chronic inflammation and tumor progression. A functional crosstalk between IIGFs and discoidin domain receptors (DDRs) has been recently discovered. DDRs are non-integrin collagen receptors that canonically undergo slow and long-lasting autophosphorylation after binding to fibrillar collagen. While both DDR1 and DDR2 functionally interact with IIGFs, the crosstalk with DDR1 is so far better characterized. Notably, the IIGFs-DDR1 crosstalk presents a feed-forward mechanism, which does not require collagen binding, thus identifying novel non-canonical action of DDR1. Further studies are needed to fully explore the role of this IIGFs-DDRs functional loop as potential target in the treatment of inflammatory and neoplastic disorders.
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Affiliation(s)
- Veronica Vella
- Endocrinology, Department of Clinical and Experimental Medicine, University of Catania, Garibaldi-Nesima Hospital, Catania, Italy
| | | | - Maria Luisa Nicolosi
- Endocrinology, Department of Clinical and Experimental Medicine, University of Catania, Garibaldi-Nesima Hospital, Catania, Italy
| | - Andrea Morrione
- Department of Pathology, Anatomy and Cell Biology, Thomas Jefferson University, Philadelphia, PA, USA
| | - Antonino Belfiore
- Endocrinology, Department of Clinical and Experimental Medicine, University of Catania, Garibaldi-Nesima Hospital, Catania, Italy.
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20
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Nakaya A, Ebitani M, Monzen T, Nagno T, Saito F, Yaoita Y. [A case of recurrent cerebral infarction during treatment with oral tyrosine kinase inhibitors for chronic myelogenous leukemia]. Rinsho Shinkeigaku 2019; 59:418-424. [PMID: 31243247 DOI: 10.5692/clinicalneurol.cn-001222] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
A 76-year-old man, diagnosed with chronic myeloid leukemia in 2010, had been on nilotinib for 7 years. He presented with right hemiparesis in September 2017. He had no history of hypertension, diabetes, hyperlipidemia, heart disease, or smoking. Brain MRI revealed a border-zone infarction of the left cerebral hemisphere and a rapidly progressing severe left internal carotid artery (ICA) stenosis. He was initiated on clopidogrel and bosutinib instead of nilotinib. He presented with right hemiparesis once again in December 2017. Brain MRI revealed the border-zone infarction of the left cerebral hemisphere and a more progressed, severe bilateral ICA stenosis. A carotid ultrasound demonstrated iso-intense and concentrically narrowed ICA on both sides. Carotid artery stenting of the left ICA was performed in February 2018, and clopidogrel was replaced by cilostazol to provide a drug-induced rush. Carotid artery stenting of the right ICA was performed in June 2018 and cervical angiogram demonstrated that there were no residual artery stenoses in the bilateral stent. In recent years, several case reports suggest that tyrosine kinase inhibitors (TKIs) are associated with progressive artery stenosis and cause cerebral infarction. Brain imaging tests should be conducted to evaluate arterial stenosis progression for patients with a history of taking TKI when an arterial vascular event occurs.
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Affiliation(s)
- Akihiko Nakaya
- Department of Neurology, Subaru Health Insurance Society Ota Memorial Hospital
| | - Masahiro Ebitani
- Department of Neurology, Subaru Health Insurance Society Ota Memorial Hospital
| | - Tatsuya Monzen
- Department of Neurology, Subaru Health Insurance Society Ota Memorial Hospital
| | - Takuro Nagno
- Department of Neurosurgery, Subaru Health Insurance Society Ota Memorial Hospital
| | - Futoshi Saito
- Department of Neurosurgery, Subaru Health Insurance Society Ota Memorial Hospital
| | - Yukihiro Yaoita
- Department of Neurosurgery, Subaru Health Insurance Society Ota Memorial Hospital
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21
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High-Fat Diet Alters Immunogenic Properties of Circulating and Adipose Tissue-Associated Myeloid-Derived CD45 +DDR2 + Cells. Mediators Inflamm 2019; 2019:1648614. [PMID: 31015794 PMCID: PMC6421777 DOI: 10.1155/2019/1648614] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 01/04/2019] [Accepted: 01/15/2019] [Indexed: 12/26/2022] Open
Abstract
Chronic inflammation is evident in the adipose tissue and periphery of patients with obesity, as well as mouse models of obesity. T cell subsets in obese adipose tissue are skewed towards Th1- and Th17-associated phenotypes and their secreted cytokines contribute to obesity-associated inflammation. Our lab recently identified a novel, myeloid-derived CD45+DDR2+ cell subset that modulates T cell activity. The current study sought to determine how these myeloid-derived CD45+DDR2+ cells are altered in the adipose tissue and peripheral blood of preobese mice and how this population modulates T cell activity. C57BL/6 mice were fed with a diet high in milkfat (60%·kcal, HFD) ad libitum until a 20% increase in total body weight was reached, and myeloid-derived CD45+DDR2+ cells and CD4+ T cells in visceral adipose tissue (VAT), mammary gland-associated adipose tissue (MGAT), and peripheral blood (PB) were phenotypically analyzed. Also analyzed was whether mediators from MGAT-primed myeloid-derived CD45+DDR2+ cells stimulate normal CD4+ T cell cytokine production. A higher percentage of myeloid-derived CD45+DDR2+ cells expressed the activation markers MHC II and CD80 in both VAT and MGAT of preobese mice. CD4+ T cells were preferentially skewed towards Th1- and Th17-associated phenotypes in the adipose tissue and periphery of preobese mice. In vitro, MGAT from HFD-fed mice triggered myeloid-derived CD45+DDR2+ cells to induce CD4+ T cell IFN-γ and TNF-α production. Taken together, this study shows that myeloid-derived CD45+DDR2+ cells express markers of immune activation and suggests that they play an immune modulatory role in the adipose tissue of preobese mice.
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22
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Velmurugan BK, Chang WH, Chung CM, Yeh CM, Lee CH, Yeh KT, Lin SH. DDR2 overexpression in oral squamous cell carcinoma is associated to lymph node metastasis. Cancer Biomark 2018; 22:747-753. [PMID: 29945346 DOI: 10.3233/cbm-181302] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
BACKGROUND Discoidin domain receptors (DDRs), a collagen receptor tyrosine kinase, play a major role in cancer progression. DDR2 has been suggested as a prognostic marker in several cancer types; however, the correlation between DDR2 expression and clinical outcome of oral cancer patients in Taiwan population has not been investigated. MATERIALS AND METHODS In the present study we sought to determine the clinical significance of Discoidin Domain Receptor Tyrosine Kinase 2 (DDR2) expression in oral squamous cell carcinoma (OSCC) patients. We examined DDR2 expression in OSCC specimens by immunohistochemistry and then we analyzed the association of DDR2 expression with clinicopathological factors in OSCC. RESULTS We divided 254 OSCC cases into two groups based on DDR2 expression levels and compared with several clinicopathological factors and their overall survival. The group with high DDR2 expression had significantly higher frequencies of lymph node metastasis (P= 0.0094) and AJCC stage (P= 0.0058) compared to the group with low DDR2 expression. Furthermore, the lymph node metastasis oral cancer patients with high DDR2 expression had low survival rate than low DDR2 group (P= 0.0458). CONCLUSIONS Our data indicate that DDR2 is a potent biomarker that can be used as an effective therapeutic target for treating OSCC patients with lymph node metastasis.
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Affiliation(s)
- Bharath Kumar Velmurugan
- Faculty of Applied Sciences, Ton Duc Thang University, Ho Chi Minh City, Vietnam.,Faculty of Applied Sciences, Ton Duc Thang University, Ho Chi Minh City, Vietnam
| | - Wei-Hsiang Chang
- Department of Surgical Pathology.,Faculty of Applied Sciences, Ton Duc Thang University, Ho Chi Minh City, Vietnam
| | - Chia-Min Chung
- Graduate Institute of BioMedical Sciences.,Environment-Omics-Diseases Research Center
| | - Chung-Min Yeh
- Department of Surgical Pathology.,Department of Medical Technology
| | | | - Kun-Tu Yeh
- Department of Surgical Pathology.,School of Medicine
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Gadiya M, Chakraborty G. Signaling by discoidin domain receptor 1 in cancer metastasis. Cell Adh Migr 2018; 12:315-323. [PMID: 30187813 PMCID: PMC6363035 DOI: 10.1080/19336918.2018.1520556] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 08/20/2018] [Accepted: 08/27/2018] [Indexed: 12/16/2022] Open
Abstract
Collagen is the most abundant component of tumor extracellular matrix (ECM). ECM collagens are known to directly interact with the tumor cells via cell surface receptor and play crucial role in tumor cell survival and promote tumor progression. Collagen receptor DDR1 is a member of receptor tyrosine kinase (RTK) family with a unique motif in the extracellular domain resembling Dictyostelium discoideum protein discoidin-I. DDR1 displays delayed and sustained activation upon interaction with collagen and recent findings have demonstrated that DDR1-collagen signaling play important role in cancer progression. In this review, we discuss the current knowledge on the role of DDR1 in cancer metastasis and possibility of a potential therapeutic approach of DDR1 targeted therapy in cancer.
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Affiliation(s)
- Mayur Gadiya
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Weill Cornell Graduate School of Medical Sciences, Cornell University, New York, NY, USA
| | - Goutam Chakraborty
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
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24
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Pakshir P, Hinz B. The big five in fibrosis: Macrophages, myofibroblasts, matrix, mechanics, and miscommunication. Matrix Biol 2018; 68-69:81-93. [DOI: 10.1016/j.matbio.2018.01.019] [Citation(s) in RCA: 162] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Revised: 01/25/2018] [Accepted: 01/28/2018] [Indexed: 02/07/2023]
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Itoh Y. Discoidin domain receptors: Microenvironment sensors that promote cellular migration and invasion. Cell Adh Migr 2018; 12:378-385. [PMID: 29671358 PMCID: PMC6363040 DOI: 10.1080/19336918.2018.1460011] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Extracellular matrix (ECM) provides cells scaffolding for cell migration and microenvironment for various cellular functions. Collagens are major ECM components in tissue and discoidin domain receptors (DDRs) are receptor tyrosine kinases (RTK) that recognise fibrillar collagens. Unlike other RTK, their ligands are solid ECM the that are abundantly present in the pericellular environment in various tissue, and thus its activation and regulations are unique amongst RTK family. It is emerging that DDRs may be the sensors that monitor and detects changes in ECM microenvironment and determines the cellular fates upon tissue injuries. In this mini-review, recent findings on the role of DDRs as microenvironment sensor and their roles in cell migration and invasion are discussed.
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Affiliation(s)
- Yoshifumi Itoh
- a Kennedy Institute of Rheumatology, University of Oxford , Roosevelt Drive, Headington , Oxford , UK
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26
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Coelho NM, McCulloch CA. Mechanical signaling through the discoidin domain receptor 1 plays a central role in tissue fibrosis. Cell Adh Migr 2018; 12:348-362. [PMID: 29513135 PMCID: PMC6363045 DOI: 10.1080/19336918.2018.1448353] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Revised: 02/20/2018] [Accepted: 02/26/2018] [Indexed: 02/08/2023] Open
Abstract
The preservation of tissue and organ architecture and function depends on tightly regulated interactions of cells with the extracellular matrix (ECM). These interactions are maintained in a dynamic equilibrium that balances intracellular, myosin-generated tension with extracellular resistance conferred by the mechanical properties of the extracellular matrix. Disturbances of this equilibrium can lead to the development of fibrotic lesions that are associated with a wide repertoire of high prevalence diseases including obstructive cardiovascular diseases, muscular dystrophy and cancer. Mechanotransduction is the process by which mechanical cues are converted into biochemical signals. At the core of mechanotransduction are sensory systems, which are frequently located at sites of cell-ECM and cell-cell contacts. As integrins (cell-ECM junctions) and cadherins (cell-cell contacts) have been extensively studied, we focus here on the properties of the discoidin domain receptor 1 (DDR1), a tyrosine kinase that mediates cell adhesion to collagen. DDR1 expression is positively associated with fibrotic lesions of heart, kidney, liver, lung and perivascular tissues. As the most common end-point of all fibrotic disorders is dysregulated collagen remodeling, we consider here the mechanical signaling functions of DDR1 in processing of fibrillar collagen that lead to tissue fibrosis.
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Affiliation(s)
- Nuno M. Coelho
- Matrix Dynamics Group, Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada
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27
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Belfiore A, Malaguarnera R, Nicolosi ML, Lappano R, Ragusa M, Morrione A, Vella V. A novel functional crosstalk between DDR1 and the IGF axis and its relevance for breast cancer. Cell Adh Migr 2018; 12:305-314. [PMID: 29486622 DOI: 10.1080/19336918.2018.1445953] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
In the last decades increasing importance has been attributed to the Insulin/Insulin-like Growth Factor signaling (IIGFs) in cancer development, progression and resistance to therapy. In fact, IIGFs is often deregulated in cancer. In particular, the mitogenic insulin receptor isoform A (IR-A) and the insulin-like growth factor receptor (IGF-1R) are frequently overexpressed in cancer together with their cognate ligands IGF-1 and IGF-2. Recently, we identified discoidin domain receptor 1 (DDR1) as a new IR-A interacting protein. DDR1, a non-integrin collagen tyrosine kinase receptor, is overexpressed in several malignancies and plays a role in cancer progression and metastasis. Herein, we review recent findings indicating that DDR1 is as a novel modulator of IR and IGF-1R expression and function. DDR1 functionally interacts with IR and IGF-1R and enhances the biological actions of insulin, IGF-1 and IGF-2. Conversely, DDR1 is upregulated by IGF-1, IGF-2 and insulin through the PI3K/AKT/miR-199a-5p circuit. Furthermore, we discuss the role of the non-canonical estrogen receptor GPER1 in the DDR1-IIGFs crosstalk. These data suggest a wider role of DDR1 as a regulator of cell response to hormones, growth factors, and signals coming from the extracellular matrix.
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Affiliation(s)
- Antonino Belfiore
- a Endocrinology, Department of Clinical and Experimental Medicine , University of Catania, Garibaldi-Nesima Hospital , Catania , Italy
| | - Roberta Malaguarnera
- b Endocrinology, Department of Health Sciences , University Magna Graecia of Catanzaro , Catanzaro , Italy
| | - Maria Luisa Nicolosi
- b Endocrinology, Department of Health Sciences , University Magna Graecia of Catanzaro , Catanzaro , Italy
| | - Rosamaria Lappano
- c Department of Pharmacy , Health and Nutritional Sciences, University of Calabria , Rende , Italy
| | - Marco Ragusa
- d Department of Biomedical and Biotechnological Sciences , Unit of BioMolecular, Genome, and Complex System BioMedicine, University of Catania , Catania , Italy
| | - Andrea Morrione
- e Department of Urology and Biology of Prostate Cancer Program , Sidney Kimmel Cancer Center, Thomas Jefferson University , Philadelphia , Pennsylvania
| | - Veronica Vella
- a Endocrinology, Department of Clinical and Experimental Medicine , University of Catania, Garibaldi-Nesima Hospital , Catania , Italy.,f School of Human and Social Sciences, "Kore" University of Enna , Enna , Italy
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28
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Takai K, Drain AP, Lawson DA, Littlepage LE, Karpuj M, Kessenbrock K, Le A, Inoue K, Weaver VM, Werb Z. Discoidin domain receptor 1 (DDR1) ablation promotes tissue fibrosis and hypoxia to induce aggressive basal-like breast cancers. Genes Dev 2018; 32:244-257. [PMID: 29483153 PMCID: PMC5859966 DOI: 10.1101/gad.301366.117] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Accepted: 01/24/2018] [Indexed: 12/17/2022]
Abstract
Here, Takai et al. researched the function of discoidin domain receptor 1 (DDR1), a member of the subfamily of receptor tyrosine kinases activated by collagens that is overexpressed in breast and other carcinoma cells. Using bioinformatics analysis, breast cancer cell lines, and knockout mice, they demonstrate that DDR1 ablation leads to aggressive breast cancer, and their findings suggest that the absence of DDR1 provides a growth and adhesion advantage that favors the expansion of basal cells, potentiates fibrosis, and enhances necrosis/hypoxia and basal differentiation of transformed cells to increase their aggression and metastatic potential. The discoidin domain receptor 1 (DDR1) is overexpressed in breast carcinoma cells. Low DDR1 expression is associated with worse relapse-free survival, reflecting its controversial role in cancer progression. We detected DDR1 on luminal cells but not on myoepithelial cells of DDR1+/+ mice. We found that DDR1 loss compromises cell adhesion, consistent with data that older DDR1−/− mammary glands had more basal/myoepithelial cells. Basal cells isolated from older mice exerted higher traction forces than the luminal cells, in agreement with increased mammary branches observed in older DDR1−/− mice and higher branching by their isolated organoids. When we crossed DDR1−/− mice with MMTV-PyMT mice, the PyMT/DDR1−/− mammary tumors grew faster and had increased epithelial tension and matricellular fibrosis with a more basal phenotype and increased lung metastases. DDR1 deletion induced basal differentiation of CD90+CD24+ cancer cells, and the increase in basal cells correlated with tumor cell mitoses. K14+ basal cells, including K8+K14+ cells, were increased adjacent to necrotic fields. These data suggest that the absence of DDR1 provides a growth and adhesion advantage that favors the expansion of basal cells, potentiates fibrosis, and enhances necrosis/hypoxia and basal differentiation of transformed cells to increase their aggression and metastatic potential.
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Affiliation(s)
- Ken Takai
- Department of Anatomy, University of California at San Francisco, San Francisco, California 94143, USA.,Division of Breast Oncology, Saitama Cancer Center, Saitama 362-0806, Japan
| | - Allison P Drain
- Department of Surgery, Center for Bioengineering and Tissue Regeneration, University of California at San Francisco, San Francisco, California 94143, USA
| | - Devon A Lawson
- Department of Anatomy, University of California at San Francisco, San Francisco, California 94143, USA
| | - Laurie E Littlepage
- Department of Anatomy, University of California at San Francisco, San Francisco, California 94143, USA
| | - Marcela Karpuj
- Department of Anatomy, University of California at San Francisco, San Francisco, California 94143, USA
| | - Kai Kessenbrock
- Department of Anatomy, University of California at San Francisco, San Francisco, California 94143, USA
| | - Annie Le
- Department of Anatomy, University of California at San Francisco, San Francisco, California 94143, USA
| | - Kenichi Inoue
- Division of Breast Oncology, Saitama Cancer Center, Saitama 362-0806, Japan
| | - Valerie M Weaver
- Department of Surgery, Center for Bioengineering and Tissue Regeneration, University of California at San Francisco, San Francisco, California 94143, USA.,Department of Bioengineering and Therapeutic Sciences, University of California at San Francisco, San Francisco, California 94143, USA.,Department of Radiation Oncology, University of California at San Francisco, San Francisco, California 94143, USA
| | - Zena Werb
- Department of Anatomy, University of California at San Francisco, San Francisco, California 94143, USA
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29
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Rattanathammethee T, Tantiworawit A, Rattarittamrong E, Chai-Adisaksopha C, Hantrakool S, Phrommintikul A, Wongcharoen W, Gunaparn S, Norasetthada L. Peripheral Artery Occlusive Disease Among Patients With Chronic Myeloid Leukemia Receiving Tyrosine Kinase Inhibitors: A Cross-Sectional Case-Control Study. CLINICAL MEDICINE INSIGHTS-CARDIOLOGY 2017; 11:1179546817747258. [PMID: 29276418 PMCID: PMC5734569 DOI: 10.1177/1179546817747258] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Accepted: 11/20/2017] [Indexed: 11/29/2022]
Abstract
Background: There were some reports of peripheral artery occlusive disease (PAOD) associated with nilotinib usage in chronic myeloid leukemia (CML). These complications in other tyrosine kinase inhibitors are revealed as unknown. Materials and methods: We determined the prevalence of PAOD in patients with CML as compared with matched-control population by cross-sectional case-control study. Peripheral artery occlusive disease was screened by ankle-brachial index (ABI). Results: In total, 78 CML and 156 matched-control patients were included. The median age was 55 years. In all, 61 (78.2%) were on imatinib and 13 (16.7%) were on nilotinib, whereas 4 patients (5.2%) were on dasatinib. Prevalence of low ABI (<0.9) was 9.0%, and nilotinib users had the highest prevalence of low ABI of 30.7%. All cases with low ABI were not shown to be clinically overt of PAOD. There were well-balanced characteristics between cases of CML and matched control except in higher levels of hypercholesterolemia in the control. Interestingly, CML had more amounts of pathologic ABI than the control (odds ratio: 2.09, 95% confidence interval: 0.71-6.21), and diagnosis of diabetes found it to be independent of the risk of PAOD. Conclusions: Peripheral artery occlusive disease was higher among patients with CML than the control, especially in patients who had diabetes.
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Affiliation(s)
- Thanawat Rattanathammethee
- Division of Hematology, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Adisak Tantiworawit
- Division of Hematology, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Ekarat Rattarittamrong
- Division of Hematology, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Chatree Chai-Adisaksopha
- Division of Hematology, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Sasinee Hantrakool
- Division of Hematology, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Arintaya Phrommintikul
- Division of Cardiology, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Wanwarang Wongcharoen
- Division of Cardiology, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Siriluck Gunaparn
- Division of Cardiology, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Lalita Norasetthada
- Division of Hematology, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
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30
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Kuwabara JT, Tallquist MD. Tracking Adventitial Fibroblast Contribution to Disease: A Review of Current Methods to Identify Resident Fibroblasts. Arterioscler Thromb Vasc Biol 2017; 37:1598-1607. [PMID: 28705796 DOI: 10.1161/atvbaha.117.308199] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2017] [Accepted: 06/23/2017] [Indexed: 01/18/2023]
Abstract
Cells present in the adventitia, or outermost layer of the blood vessel, contribute to the progression of vascular diseases, such as atherosclerosis, hypertension, and aortic dissection. The adventitial fibroblast of the aorta is the prototypic perivascular fibroblast, but the adventitia is composed of multiple distinct cell populations. Therefore, methods for uniquely identifying the fibroblast are critical for a better understanding of how these cells contribute to disease processes. A popular method for distinguishing adventitial cell types relies on the use of genetic tools in the mouse to trace and manipulate these cells. Because lineage tracing relying on Cre-recombinase expressing mice is used more frequently in studies of vascular disease, it is important to outline the advantages and limitations of these genetic tools. The purpose of this article is to provide an overview of the various genetic tools available in the mouse for the study of resident adventitial fibroblasts.
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Affiliation(s)
- Jill T Kuwabara
- From the Center for Cardiovascular Research, University of Hawaii, Honolulu
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31
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Dongre A, Clements D, Fisher AJ, Johnson SR. Cathepsin K in Lymphangioleiomyomatosis: LAM Cell-Fibroblast Interactions Enhance Protease Activity by Extracellular Acidification. THE AMERICAN JOURNAL OF PATHOLOGY 2017. [PMID: 28623674 DOI: 10.1016/j.ajpath.2017.04.014] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Lymphangioleiomyomatosis (LAM) is a rare disease in which LAM cells and fibroblasts form lung nodules and it is hypothesized that LAM nodule-derived proteases cause cyst formation and tissue damage. On protease gene expression profiling in whole lung tissue, cathepsin K gene expression was 40-fold overexpressed in LAM compared with control lung tissue (P ≤ 0.0001). Immunohistochemistry confirmed cathepsin K protein was expressed in LAM but not control lungs. Cathepsin K gene expression and protein and protease activity were detected in LAM-associated fibroblasts but not the LAM cell line 621-101. In lung nodules, cathepsin K immunoreactivity predominantly co-localized with LAM-associated fibroblasts. In vitro, fibroblast extracellular cathepsin K activity was minimal at pH 7.5 but significantly enhanced at pH 7 and 6. 621-101 cells reduced extracellular pH with acidification dependent on 621-101 mechanistic target of rapamycin activity and net hydrogen ion exporters, particularly sodium bicarbonate co-transporters and carbonic anhydrases, which were also expressed in LAM lung tissue. In LAM cell-fibroblast co-cultures, acidification paralleled cathepsin K activity, and both were reduced by sodium bicarbonate co-transporter (P ≤ 0.0001) and carbonic anhydrase inhibitors (P = 0.0021). Our findings suggest that cathepsin K activity is dependent on LAM cell-fibroblast interactions, and inhibitors of extracellular acidification may be potential therapies for LAM.
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Affiliation(s)
- Arundhati Dongre
- Division of Respiratory Medicine and Respiratory Research Unit, University of Nottingham, Nottingham, United Kingdom.
| | - Debbie Clements
- Division of Respiratory Medicine and Respiratory Research Unit, University of Nottingham, Nottingham, United Kingdom
| | - Andrew J Fisher
- Institute of Transplantation, Freeman Hospital, Newcastle upon Tyne, United Kingdom; Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Simon R Johnson
- Division of Respiratory Medicine and Respiratory Research Unit, University of Nottingham, Nottingham, United Kingdom
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32
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Coelho NM, Arora PD, van Putten S, Boo S, Petrovic P, Lin AX, Hinz B, McCulloch CA. Discoidin Domain Receptor 1 Mediates Myosin-Dependent Collagen Contraction. Cell Rep 2017; 18:1774-1790. [DOI: 10.1016/j.celrep.2017.01.061] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Revised: 12/20/2016] [Accepted: 01/24/2017] [Indexed: 01/04/2023] Open
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33
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Wang Y, Qiu J, Luo S, Xie X, Zheng Y, Zhang K, Ye Z, Liu W, Gregersen H, Wang G. High shear stress induces atherosclerotic vulnerable plaque formation through angiogenesis. Regen Biomater 2016; 3:257-67. [PMID: 27482467 PMCID: PMC4966293 DOI: 10.1093/rb/rbw021] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2016] [Revised: 05/15/2016] [Accepted: 05/19/2016] [Indexed: 12/12/2022] Open
Abstract
Rupture of atherosclerotic plaques causing thrombosis is the main cause of acute coronary syndrome and ischemic strokes. Inhibition of thrombosis is one of the important tasks developing biomedical materials such as intravascular stents and vascular grafts. Shear stress (SS) influences the formation and development of atherosclerosis. The current review focuses on the vulnerable plaques observed in the high shear stress (HSS) regions, which localizes at the proximal region of the plaque intruding into the lumen. The vascular outward remodelling occurs in the HSS region for vascular compensation and that angiogenesis is a critical factor for HSS which induces atherosclerotic vulnerable plaque formation. These results greatly challenge the established belief that low shear stress is important for expansive remodelling, which provides a new perspective for preventing the transition of stable plaques to high-risk atherosclerotic lesions.
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Affiliation(s)
- Yi Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China; Taiji Group Co, Ltd, Chongqing, 401147, China
| | - Juhui Qiu
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China; Taiji Group Co, Ltd, Chongqing, 401147, China
| | - Shisui Luo
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China; Taiji Group Co, Ltd, Chongqing, 401147, China
| | - Xiang Xie
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China; Taiji Group Co, Ltd, Chongqing, 401147, China
| | - Yiming Zheng
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China; Taiji Group Co, Ltd, Chongqing, 401147, China
| | - Kang Zhang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China; Taiji Group Co, Ltd, Chongqing, 401147, China
| | - Zhiyi Ye
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China; Taiji Group Co, Ltd, Chongqing, 401147, China
| | - Wanqian Liu
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China; Taiji Group Co, Ltd, Chongqing, 401147, China
| | - Hans Gregersen
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China; Taiji Group Co, Ltd, Chongqing, 401147, China
| | - Guixue Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China; Taiji Group Co, Ltd, Chongqing, 401147, China
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34
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Contribution of collagen adhesion receptors to tissue fibrosis. Cell Tissue Res 2016; 365:521-38. [DOI: 10.1007/s00441-016-2440-8] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2016] [Accepted: 06/01/2016] [Indexed: 02/07/2023]
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35
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The Action of Discoidin Domain Receptor 2 in Basal Tumor Cells and Stromal Cancer-Associated Fibroblasts Is Critical for Breast Cancer Metastasis. Cell Rep 2016; 15:2510-23. [PMID: 27264173 DOI: 10.1016/j.celrep.2016.05.033] [Citation(s) in RCA: 75] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2015] [Revised: 03/15/2016] [Accepted: 05/06/2016] [Indexed: 02/04/2023] Open
Abstract
High levels of collagen deposition in human and mouse breast tumors are associated with poor outcome due to increased local invasion and distant metastases. Using a genetic approach, we show that, in mice, the action of the fibrillar collagen receptor discoidin domain receptor 2 (DDR2) in both tumor and tumor-stromal cells is critical for breast cancer metastasis yet does not affect primary tumor growth. In tumor cells, DDR2 in basal epithelial cells regulates the collective invasion of tumor organoids. In stromal cancer-associated fibroblasts (CAFs), DDR2 is critical for extracellular matrix production and the organization of collagen fibers. The action of DDR2 in CAFs also enhances tumor cell collective invasion through a pathway distinct from the tumor-cell-intrinsic function of DDR2. This work identifies DDR2 as a potential therapeutic target that controls breast cancer metastases through its action in both tumor cells and tumor-stromal cells at the primary tumor site.
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36
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Tonniges JR, Albert B, Calomeni EP, Roy S, Lee J, Mo X, Cole SE, Agarwal G. Collagen Fibril Ultrastructure in Mice Lacking Discoidin Domain Receptor 1. MICROSCOPY AND MICROANALYSIS : THE OFFICIAL JOURNAL OF MICROSCOPY SOCIETY OF AMERICA, MICROBEAM ANALYSIS SOCIETY, MICROSCOPICAL SOCIETY OF CANADA 2016; 22:599-611. [PMID: 27329311 PMCID: PMC5174982 DOI: 10.1017/s1431927616000787] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The quantity and quality of collagen fibrils in the extracellular matrix (ECM) have a pivotal role in dictating biological processes. Several collagen-binding proteins (CBPs) are known to modulate collagen deposition and fibril diameter. However, limited studies exist on alterations in the fibril ultrastructure by CBPs. In this study, we elucidate how the collagen receptor, discoidin domain receptor 1 (DDR1) regulates the collagen content and ultrastructure in the adventitia of DDR1 knock-out (KO) mice. DDR1 KO mice exhibit increased collagen deposition as observed using Masson's trichrome. Collagen ultrastructure was evaluated in situ using transmission electron microscopy, scanning electron microscopy, and atomic force microscopy. Although the mean fibril diameter was not significantly different, DDR1 KO mice had a higher percentage of fibrils with larger diameter compared with their wild-type littermates. No significant differences were observed in the length of D-periods. In addition, collagen fibrils from DDR1 KO mice exhibited a small, but statistically significant, increase in the depth of the fibril D-periods. Consistent with these observations, a reduction in the depth of D-periods was observed in collagen fibrils reconstituted with recombinant DDR1-Fc. Our results elucidate how DDR1 modulates collagen fibril ultrastructure in vivo, which may have important consequences in the functional role(s) of the underlying ECM.
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Affiliation(s)
- Jeffrey R. Tonniges
- Biophysics Graduate Program, The Ohio State University, Columbus, OH 43210, USA
| | - Benjamin Albert
- Biomedical Engineering Department, The Ohio State University, Columbus, OH 43210, USA
| | - Edward P. Calomeni
- Department of Pathology, The Ohio State University, Columbus, OH 43210, USA
| | - Shuvro Roy
- David Heart and Lung Research Institute, The Ohio State University, Columbus, OH 43210, USA
| | - Joan Lee
- David Heart and Lung Research Institute, The Ohio State University, Columbus, OH 43210, USA
| | - Xiaokui Mo
- Center for Biostatistics, The Ohio State University, Columbus, OH 43210, USA
| | - Susan E. Cole
- Department of Molecular Genetics, The Ohio State University, Columbus, OH 43210, USA
| | - Gunjan Agarwal
- Biomedical Engineering Department, The Ohio State University, Columbus, OH 43210, USA
- David Heart and Lung Research Institute, The Ohio State University, Columbus, OH 43210, USA
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37
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Keeley EC, Schutt RC, Marinescu MA, Burdick MD, Strieter RM, Mehrad B. Circulating fibrocytes as predictors of adverse events in unstable angina. Transl Res 2016; 172:73-83.e1. [PMID: 27012475 PMCID: PMC4866880 DOI: 10.1016/j.trsl.2016.02.013] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2015] [Revised: 02/05/2016] [Accepted: 02/28/2016] [Indexed: 11/22/2022]
Abstract
Half of the patients who present with unstable angina (UA) develop recurrent symptoms over the subsequent year. Identification of patients destined to develop such adverse events would be clinically valuable, but current tools do not allow for this discrimination. Fibrocytes are bone marrow-derived progenitor cells that co-express markers of leukocytes and fibroblasts and are released into the circulation in the context of tissue injury. We hypothesized that, in patients with UA, the number of circulating fibrocytes predicts subsequent adverse events. We enrolled 55 subjects with UA, 18 with chronic stable angina, and 22 controls and correlated their concentration of circulating fibrocytes to clinical events (recurrent angina, myocardial infarction, revascularization, or death) over the subsequent year. Subjects with UA had a >2-fold higher median concentration of both total and activated fibrocytes compared with subjects with chronic stable angina and controls. In UA subjects, the concentration of total fibrocytes identified those who developed recurrent angina requiring revascularization (time-dependent area under the curve 0.85) and was superior to risk stratification using thrombolysis in myocardial infarction risk score and N-terminal pro B-type natriuretic peptide levels (area under the curve, 0.53 and 0.56, respectively, P < 0.001). After multivariable adjustment for thrombolysis in myocardial infarction predicted death, MI, or recurrent ischemia, total fibrocyte level was associated with recurrent angina (hazard ratio, 1.016 per 10,000 cells/mL increase; 95% confidence interval, 1.007-1.024; P < 0.001). Circulating fibrocytes are elevated in patients with UA and successfully risk stratify them for adverse clinical outcomes. Fibrocytes may represent a novel biomarker of outcome in this population.
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Affiliation(s)
- Ellen C Keeley
- Department of Medicine, University of Virginia, Charlottesville, Va; Division of Cardiology, University of Virginia, Charlottesville, Va.
| | - Robert C Schutt
- Houston Methodist DeBakey Heart & Vascular Center, Houston, Tex
| | - Mark A Marinescu
- Department of Medicine, University of Virginia, Charlottesville, Va
| | - Marie D Burdick
- Department of Medicine, University of Virginia, Charlottesville, Va; Division of Pulmonary and Critical Care Medicine, University of Virginia, Charlottesville, Va
| | - Robert M Strieter
- Department of Medicine, University of Virginia, Charlottesville, Va; Division of Pulmonary and Critical Care Medicine, University of Virginia, Charlottesville, Va
| | - Borna Mehrad
- Department of Medicine, University of Virginia, Charlottesville, Va; Division of Pulmonary and Critical Care Medicine, University of Virginia, Charlottesville, Va; The Carter Center for Immunology, University of Virginia, Charlottesville, Va
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Krohn JB, Hutcheson JD, Martínez-Martínez E, Irvin WS, Bouten CVC, Bertazzo S, Bendeck MP, Aikawa E. Discoidin Domain Receptor-1 Regulates Calcific Extracellular Vesicle Release in Vascular Smooth Muscle Cell Fibrocalcific Response via Transforming Growth Factor-β Signaling. Arterioscler Thromb Vasc Biol 2016; 36:525-33. [PMID: 26800565 DOI: 10.1161/atvbaha.115.307009] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2015] [Accepted: 01/06/2015] [Indexed: 12/16/2022]
Abstract
OBJECTIVE Collagen accumulation and calcification are major determinants of atherosclerotic plaque stability. Extracellular vesicle (EV)-derived microcalcifications in the collagen-poor fibrous cap may promote plaque rupture. In this study, we hypothesize that the collagen receptor discoidin domain receptor-1 (DDR-1) regulates collagen deposition and release of calcifying EVs by vascular smooth muscle cells (SMCs) through the transforming growth factor-β (TGF-β) pathway. APPROACH AND RESULTS SMCs from the carotid arteries of DDR-1(-/-) mice and wild-type littermates (n=5-10 per group) were cultured in normal or calcifying media. At days 14 and 21, SMCs were harvested and EVs isolated for analysis. Compared with wild-type, DDR-1(-/-) SMCs exhibited a 4-fold increase in EV release (P<0.001) with concomitantly elevated alkaline phosphatase activity (P<0.0001) as a hallmark of EV calcifying potential. The DDR-1(-/-) phenotype was characterized by increased mineralization (Alizarin Red S and Osteosense, P<0.001 and P=0.002, respectively) and amorphous collagen deposition (P<0.001). We further identified a novel link between DDR-1 and the TGF-β pathway previously implicated in both fibrotic and calcific responses. An increase in TGF-β1 release by DDR-1(-/-) SMCs in calcifying media (P<0.001) stimulated p38 phosphorylation (P=0.02) and suppressed activation of Smad3. Inhibition of either TGF-β receptor-I or phospho-p38 reversed the fibrocalcific DDR-1(-/-) phenotype, corroborating a causal relationship between DDR-1 and TGF-β in EV-mediated vascular calcification. CONCLUSIONS DDR-1 interacts with the TGF-β pathway to restrict calcifying EV-mediated mineralization and fibrosis by SMCs. We therefore establish a novel mechanism of cell-matrix homeostasis in atherosclerotic plaque formation.
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Affiliation(s)
- Jona B Krohn
- From the Department of Medicine, Cardiovascular Division, Center for Excellence in Vascular Biology (J.B.K., E.M.-M., W.S.I., E.A.) and Center for Interdisciplinary Cardiovascular Sciences (J.D.H., E.A.), Harvard Medical School, Boston, MA; Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands (C.V.C.B.); Department of Medical Physics and Biomedical Engineering, University College London, London, United Kingdom (S.B.); and Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada (M.P.B.)
| | - Joshua D Hutcheson
- From the Department of Medicine, Cardiovascular Division, Center for Excellence in Vascular Biology (J.B.K., E.M.-M., W.S.I., E.A.) and Center for Interdisciplinary Cardiovascular Sciences (J.D.H., E.A.), Harvard Medical School, Boston, MA; Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands (C.V.C.B.); Department of Medical Physics and Biomedical Engineering, University College London, London, United Kingdom (S.B.); and Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada (M.P.B.)
| | - Eduardo Martínez-Martínez
- From the Department of Medicine, Cardiovascular Division, Center for Excellence in Vascular Biology (J.B.K., E.M.-M., W.S.I., E.A.) and Center for Interdisciplinary Cardiovascular Sciences (J.D.H., E.A.), Harvard Medical School, Boston, MA; Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands (C.V.C.B.); Department of Medical Physics and Biomedical Engineering, University College London, London, United Kingdom (S.B.); and Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada (M.P.B.)
| | - Whitney S Irvin
- From the Department of Medicine, Cardiovascular Division, Center for Excellence in Vascular Biology (J.B.K., E.M.-M., W.S.I., E.A.) and Center for Interdisciplinary Cardiovascular Sciences (J.D.H., E.A.), Harvard Medical School, Boston, MA; Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands (C.V.C.B.); Department of Medical Physics and Biomedical Engineering, University College London, London, United Kingdom (S.B.); and Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada (M.P.B.)
| | - Carlijn V C Bouten
- From the Department of Medicine, Cardiovascular Division, Center for Excellence in Vascular Biology (J.B.K., E.M.-M., W.S.I., E.A.) and Center for Interdisciplinary Cardiovascular Sciences (J.D.H., E.A.), Harvard Medical School, Boston, MA; Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands (C.V.C.B.); Department of Medical Physics and Biomedical Engineering, University College London, London, United Kingdom (S.B.); and Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada (M.P.B.)
| | - Sergio Bertazzo
- From the Department of Medicine, Cardiovascular Division, Center for Excellence in Vascular Biology (J.B.K., E.M.-M., W.S.I., E.A.) and Center for Interdisciplinary Cardiovascular Sciences (J.D.H., E.A.), Harvard Medical School, Boston, MA; Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands (C.V.C.B.); Department of Medical Physics and Biomedical Engineering, University College London, London, United Kingdom (S.B.); and Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada (M.P.B.)
| | - Michelle P Bendeck
- From the Department of Medicine, Cardiovascular Division, Center for Excellence in Vascular Biology (J.B.K., E.M.-M., W.S.I., E.A.) and Center for Interdisciplinary Cardiovascular Sciences (J.D.H., E.A.), Harvard Medical School, Boston, MA; Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands (C.V.C.B.); Department of Medical Physics and Biomedical Engineering, University College London, London, United Kingdom (S.B.); and Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada (M.P.B.)
| | - Elena Aikawa
- From the Department of Medicine, Cardiovascular Division, Center for Excellence in Vascular Biology (J.B.K., E.M.-M., W.S.I., E.A.) and Center for Interdisciplinary Cardiovascular Sciences (J.D.H., E.A.), Harvard Medical School, Boston, MA; Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands (C.V.C.B.); Department of Medical Physics and Biomedical Engineering, University College London, London, United Kingdom (S.B.); and Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada (M.P.B.).
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RETRACTED ARTICLE: Inhibitory effect of discoidin domain receptor 2 (DDR2) on oxygen-induced retinopathy in mice. Graefes Arch Clin Exp Ophthalmol 2015. [DOI: 10.1007/s00417-014-2798-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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40
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High expression of DDR1 is associated with the poor prognosis in Chinese patients with pancreatic ductal adenocarcinoma. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2015; 34:88. [PMID: 26297342 PMCID: PMC4546266 DOI: 10.1186/s13046-015-0202-1] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/18/2015] [Accepted: 08/06/2015] [Indexed: 12/17/2022]
Abstract
BACKGROUND Discoidin domain receptors 1 (DDR1), a subtype of DDRs, has been reported as a critical modulator of cellular morphogenesis, differentiation, migration and invasion. METHODS AND RESULTS In this study, we investigated the expression of DDR1 and its clinical association in Chinese patients with pancreatic ductal adenocarcinoma (PDAC). Across a cohort of 30 patients, we examined DDR1 expression in paired PDAC and corresponding adjacent non-tumor tissues by real-time quantitative PCR (RT-qPCR), or western blotting. DDR1 expression is significantly higher in PDAC, as compared to normal adjacent tissue, confirming results from the Oncomine databases. We validated DDR1 expression by immunohistochemistry across a non-overlapping cohort of 205 PDAC specimens. Kaplan-Meier survival curves indicate that increased expression of DDR1 is associated with a poor prognosis in PDAC patients (P = 0.013). Multivariate Cox regression analysis identified DDR1 expression, age, N classification and liver metastasis as independent prognostic factors in PDAC. CONCLUSIONS This study demonstrated that DDR1 can well serve as a novel prognostic biomarker in PDAC.
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Alfieri C, Kavvadas P, Simonini P, Ikehata M, Dussaule JC, Chadjichristos CE, Rastaldi MP, Messa P, Chatziantoniou C. Discoidin domain receptor-1 and periostin: new players in chronic kidney disease. Nephrol Dial Transplant 2015; 30:1965-71. [PMID: 25829327 DOI: 10.1093/ndt/gfv074] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2015] [Accepted: 02/05/2015] [Indexed: 11/14/2022] Open
Abstract
The incidence and prevalence of chronic kidney disease represents an important problem for public health. In renal diseases, the main histologic alterations derive from the development of renal fibrosis which results from the loss of the balance between pro- and anti-fibrotic factors. Tyrosine kinase receptors (RTKs) and matricellular proteins (MPs) are nowadays studied as potential modulators of renal injury. RTKs regulate cell cycle, migration, metabolism and cellular differentiation. Discoidin domain receptor-1 (DDR-1) is an RTK that has been extensively studied in cancer, and lung and renal diseases. It modulates inflammatory recruitment, extracellular matrix deposition and fibrosis; in renal diseases, it appears to act independently of the underlying disease. MPs regulate cell-matrix interactions and matrix accumulation, cellular adhesion and migration, and expression of inflammatory cells. Periostin is an MP, mainly studied in bone, heart, lung and cancer. Several studies demonstrated that it mediates cell-matrix interactions, migration of inflammatory cells and development of fibrosis. Recently, it has been reported in several nephropathies. In this review, we discuss the potential pathological roles of DDR-1 and periostin focussing on the kidney in both experimental models and human diseases.
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Affiliation(s)
- Carlo Alfieri
- Institut National de la Santé et de la Recherche Médicale Research Unit S_1155, Bâtiment Recherche, Tenon Hospital, Paris, France Department of Medicine and Medical Specialties, Unit of Nephrology, Dialysis, and Renal Transplant, Fondazione Istituto di Ricerca e Cura a Carattere Scientifico Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Panagiotis Kavvadas
- Institut National de la Santé et de la Recherche Médicale Research Unit S_1155, Bâtiment Recherche, Tenon Hospital, Paris, France
| | - Paola Simonini
- Department of Medicine and Medical Specialties, Unit of Nephrology, Dialysis, and Renal Transplant, Fondazione Istituto di Ricerca e Cura a Carattere Scientifico Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Masami Ikehata
- Research Laboratory of Nephrology, Fondazione Istituto di Ricerca e Cura a Carattere Scientifico Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Jean Claude Dussaule
- Institut National de la Santé et de la Recherche Médicale Research Unit S_1155, Bâtiment Recherche, Tenon Hospital, Paris, France
| | - Christos E Chadjichristos
- Institut National de la Santé et de la Recherche Médicale Research Unit S_1155, Bâtiment Recherche, Tenon Hospital, Paris, France
| | - Maria Pia Rastaldi
- Research Laboratory of Nephrology, Fondazione Istituto di Ricerca e Cura a Carattere Scientifico Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Piergiorgio Messa
- Department of Medicine and Medical Specialties, Unit of Nephrology, Dialysis, and Renal Transplant, Fondazione Istituto di Ricerca e Cura a Carattere Scientifico Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Christos Chatziantoniou
- Institut National de la Santé et de la Recherche Médicale Research Unit S_1155, Bâtiment Recherche, Tenon Hospital, Paris, France
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Elliott KJ, Eguchi S. Phosphorylation Regulation by Kinases and Phosphatases in Atherosclerosis. Atherosclerosis 2015. [DOI: 10.1002/9781118828533.ch35] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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43
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Discoidin domain receptors (DDRs): Potential implications in atherosclerosis. Eur J Pharmacol 2015; 751:28-33. [DOI: 10.1016/j.ejphar.2015.01.033] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2014] [Revised: 01/19/2015] [Accepted: 01/21/2015] [Indexed: 01/15/2023]
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Li Y, Lu X, Ren X, Ding K. Small Molecule Discoidin Domain Receptor Kinase Inhibitors and Potential Medical Applications. J Med Chem 2015; 58:3287-301. [DOI: 10.1021/jm5012319] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yupeng Li
- State Key Laboratory
of Respiratory Diseases, Guangzhou Institutes of Biomedicine and Health,
Chinese Academy of Sciences, No. 190
Kaiyuan Avenue, Guangzhou 510530, China
- University of Chinese Academy of Sciences, No. 19 Yuquan Road, Beijing 100049, China
| | - Xiaoyun Lu
- State Key Laboratory
of Respiratory Diseases, Guangzhou Institutes of Biomedicine and Health,
Chinese Academy of Sciences, No. 190
Kaiyuan Avenue, Guangzhou 510530, China
| | - Xiaomei Ren
- State Key Laboratory
of Respiratory Diseases, Guangzhou Institutes of Biomedicine and Health,
Chinese Academy of Sciences, No. 190
Kaiyuan Avenue, Guangzhou 510530, China
| | - Ke Ding
- State Key Laboratory
of Respiratory Diseases, Guangzhou Institutes of Biomedicine and Health,
Chinese Academy of Sciences, No. 190
Kaiyuan Avenue, Guangzhou 510530, China
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45
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Hammer A, Diakonova M. Tyrosyl phosphorylated serine-threonine kinase PAK1 is a novel regulator of prolactin-dependent breast cancer cell motility and invasion. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2015; 846:97-137. [PMID: 25472536 DOI: 10.1007/978-3-319-12114-7_5] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Despite efforts to discover the cellular pathways regulating breast cancer metastasis, little is known as to how prolactin (PRL) cooperates with extracellular environment and cytoskeletal proteins to regulate breast cancer cell motility and invasion. We implicated serine-threonine kinase p21-activated kinase 1 (PAK1) as a novel target for PRL-activated Janus-kinase 2 (JAK2). JAK2-dependent PAK1 tyrosyl phosphorylation plays a critical role in regulation of both PAK1 kinase activity and scaffolding properties of PAK1. Tyrosyl phosphorylated PAK1 facilitates PRL-dependent motility via at least two mechanisms: formation of paxillin/GIT1/βPIX/pTyr-PAK1 complexes resulting in increased adhesion turnover and phosphorylation of actin-binding protein filamin A. Increased adhesion turnover is the basis for cell migration and phosphorylated filamin A stimulates the kinase activity of PAK1 and increases actin-regulating activity to facilitate cell motility. Tyrosyl phosphorylated PAK1 also stimulates invasion of breast cancer cells in response to PRL and three-dimensional (3D) collagen IV via transcription and secretion of MMP-1 and MMP-3 in a MAPK-dependent manner. These data illustrate the complex interaction between PRL and the cell microenvironment in breast cancer cells and suggest a pivotal role for PRL/PAK1 signaling in breast cancer metastasis.
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Affiliation(s)
- Alan Hammer
- Department of Biological Sciences, University of Toledo, Toledo, OH, USA
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Azemikhah M, Ashtiani HA, Aghaei M, Rastegar H. Evaluation of discoidin domain receptor-2 (DDR2) expression level in normal, benign, and malignant human prostate tissues. Res Pharm Sci 2015; 10:356-63. [PMID: 26600862 PMCID: PMC4623624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
Abstract
Discoidin domain receptor (DDR) is a new member of the receptor tyrosine kinase family. There are two isoforms of discoidin domain receptor (DDR), DDR1 and DDR2. These receptors play a major role in the adhesion, motility and cell proliferation. Due to the important role of DDR2 in the development of tumor extension, this receptor is pivotal in the field of carcinogenesis. The aim of this study was to investigate the mRNA and protein expression of DDR2, in the malignant, benign prostatic hyperplasia (BPH) and normal tissues of patients with prostate cancer. In this study the gene and protein expression of DDR2 in adjacent normal (n=40), BPH (n=40), and malignant (n=40) prostate tissue were measured using real-time PCR and Western blotting. Then, the correlation of DDR2 gene and protein expression with prognostic factors such as age, tumor grade, tumor stage, lymph node involvement, and serum prostate-specific antigen (PSA) concentration were evaluated. The relative mRNA and protein expression level of DDR2 in malignant and benign prostate tissue was significantly higher than those of adjacent normal tissues (P<0.01). This expression was found to increase approximately 3.5 and 2.1 fold for mRNA and protein levels, respectively. Spearman test indicated a significant correlation between DDR2 mRNA and protein expression with prognostic factors such as tumor grade, stage, lymph node involvement, and serum PSA concentration. However, significant correlation with age was not observed. These findings suggest that DDR2 is a cancer-related gene associated with the aggressive progression of prostate cancer patients.
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Affiliation(s)
- Mitra Azemikhah
- Department of Biology, science and research branch, Islamic Azad University, Tehran, I.R. Iran
| | | | - Mahmoud Aghaei
- Department of Clinical Biochemistry and Isfahan Pharmaceutical Sciences Research Center, School of Pharmacy and Pharmaceutical Sciences Isfahan, I.R. Iran,Corresponding authors: M. Aghaei, Tel: 0098 31 37927041, Fax: 0098 31 36680011,
H. Rastegar, Tel: 0098 21 66406174, Fax: 0098 21 66406174,
| | - Hosein Rastegar
- Food and Drug Control Laboratory and Research Center, Tehran, I.R. Iran,Corresponding authors: M. Aghaei, Tel: 0098 31 37927041, Fax: 0098 31 36680011,
H. Rastegar, Tel: 0098 21 66406174, Fax: 0098 21 66406174,
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Baskir R, Majka S. Pulmonary Vascular Remodeling by Resident Lung Stem and Progenitor Cells. LUNG STEM CELLS IN THE EPITHELIUM AND VASCULATURE 2015. [DOI: 10.1007/978-3-319-16232-4_12] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Leitinger B. Discoidin domain receptor functions in physiological and pathological conditions. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2014; 310:39-87. [PMID: 24725424 DOI: 10.1016/b978-0-12-800180-6.00002-5] [Citation(s) in RCA: 243] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The discoidin domain receptors, DDR1 and DDR2, are nonintegrin collagen receptors that are members of the receptor tyrosine kinase family. Both DDRs bind a number of different collagen types and play important roles in embryo development. Dysregulated DDR function is associated with progression of various human diseases, including fibrosis, arthritis, and cancer. By interacting with key components of the extracellular matrix and displaying distinct activation kinetics, the DDRs form a unique subfamily of receptor tyrosine kinases. DDR-facilitated cellular functions include cell migration, cell survival, proliferation, and differentiation, as well as remodeling of extracellular matrices. This review summarizes the current knowledge of DDR-ligand interactions, DDR-initiated signal pathways and the molecular mechanisms that regulate receptor function. Also discussed are the roles of DDRs in development and disease progression.
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Affiliation(s)
- Birgit Leitinger
- National Heart and Lung Institute, Imperial College London, London, United Kingdom.
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Cowling RT, Yeo SJ, Kim IJ, Park JI, Gu Y, Dalton ND, Peterson KL, Greenberg BH. Discoidin domain receptor 2 germline gene deletion leads to altered heart structure and function in the mouse. Am J Physiol Heart Circ Physiol 2014; 307:H773-81. [PMID: 24993042 DOI: 10.1152/ajpheart.00142.2014] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Discoidin domain receptor 2 (DDR2) is a fibrillar collagen receptor that is expressed in mesenchymal cells throughout the body. In the heart, DDR2 is selectively expressed on cardiac fibroblasts. We generated a germline DDR2 knockout mouse and used this mouse to examine the role of DDR2 deletion on heart structure and function. Echocardiographic measurements from null mice were consistent with those from a smaller heart, with reduced left ventricular chamber dimensions and little change in wall thickness. Fractional shortening appeared normal. Left ventricular pressure measurements revealed mild inotropic and lusitropic abnormalities that were accentuated by dobutamine infusion. Both body and heart weights from 10-wk-old male mice were ~20% smaller in null mice. The reduced heart size was not simply due to reduced body weight, since cardiomyocyte lengths were atypically shorter in null mice. Although normalized cardiac collagen mass (assayed by hydroxyproline content) was not different in null mice, the collagen area fraction was statistically higher, suggesting a reduced collagen density from altered collagen deposition and cross-linking. Cultured cardiac fibroblasts from null mice deposited collagen at a slower rate than wild-type littermates, possibly due to the expression of lower prolyl 4-hydroxylase α-isoform 1 enzyme levels. We conclude that genetic deletion of the DDR2 collagen receptor alters cardiac fibroblast function. The resulting perturbations in collagen deposition can influence the structure and function of mature cardiomyocytes.
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Affiliation(s)
- Randy T Cowling
- Division of Cardiology, Department of Medicine, University of California-San Diego, La Jolla, California
| | - Seon Ju Yeo
- Division of Cardiology, Department of Medicine, University of California-San Diego, La Jolla, California
| | - In Jai Kim
- Division of Cardiology, Department of Medicine, University of California-San Diego, La Jolla, California
| | - Joong Il Park
- Division of Cardiology, Department of Medicine, University of California-San Diego, La Jolla, California
| | - Yusu Gu
- Division of Cardiology, Department of Medicine, University of California-San Diego, La Jolla, California
| | - Nancy D Dalton
- Division of Cardiology, Department of Medicine, University of California-San Diego, La Jolla, California
| | - Kirk L Peterson
- Division of Cardiology, Department of Medicine, University of California-San Diego, La Jolla, California
| | - Barry H Greenberg
- Division of Cardiology, Department of Medicine, University of California-San Diego, La Jolla, California
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Abstract
The extracellular matrix (ECM) is an essential component of the human body that is responsible for the proper function of various organs. Changes in the ECM have been implicated in the pathogenesis of several cardiovascular conditions including atherosclerosis, restenosis, and heart failure. Matrix components, such as collagens and noncollagenous proteins, influence the function and activity of vascular cells, particularly vascular smooth muscle cells and macrophages. Matrix proteins have been shown to be implicated in the development of atherosclerotic complications, such as plaque rupture, aneurysm formation, and calcification. ECM proteins control ECM remodeling through feedback signaling to matrix metalloproteinases (MMPs), which are the key players of ECM remodeling in both normal and pathological conditions. The production of MMPs is closely related to the development of an inflammatory response and is subjected to significant changes at different stages of atherosclerosis. Indeed, blood levels of circulating MMPs may be useful for the assessment of the inflammatory activity in atherosclerosis and the prediction of cardiovascular risk. The availability of a wide variety of low-molecular MMP inhibitors that can be conjugated with various labels provides a good perspective for specific targeting of MMPs and implementation of imaging techniques to visualize MMP activity in atherosclerotic plaques and, most interestingly, to monitor responses to antiatheroslerosis therapies. Finally, because of the crucial role of ECM in cardiovascular repair, the regenerative potential of ECM could be successfully used in constructing engineered scaffolds and vessels that mimic properties of the natural ECM and consist of the native ECM components or composite biomaterials. These scaffolds possess a great promise in vascular tissue engineering.
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