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Silva ME, Hernández-Andrade M, Abasolo N, Espinoza-Cruells C, Mansilla JB, Reyes CR, Aranda S, Esteban Y, Rodriguez-Calvo R, Martorell L, Muntané G, Rivera FJ, Vilella E. DDR1 and Its Ligand, Collagen IV, Are Involved in In Vitro Oligodendrocyte Maturation. Int J Mol Sci 2023; 24:ijms24021742. [PMID: 36675255 PMCID: PMC9866737 DOI: 10.3390/ijms24021742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 01/09/2023] [Accepted: 01/11/2023] [Indexed: 01/18/2023] Open
Abstract
Discoidin domain receptor 1 (DDR1) is a tyrosine kinase receptor expressed in epithelial cells from different tissues in which collagen binding activates pleiotropic functions. In the brain, DDR1 is mainly expressed in oligodendrocytes (OLs), the function of which is unclear. Whether collagen can activate DDR1 in OLs has not been studied. Here, we assessed the expression of DDR1 during in vitro OL differentiation, including collagen IV incubation, and the capability of collagen IV to induce DDR1 phosphorylation. Experiments were performed using two in vitro models of OL differentiation: OLs derived from adult rat neural stem cells (NSCs) and the HOG16 human oligodendroglial cell line. Immunocytofluorescence, western blotting, and ELISA were performed to analyze these questions. The differentiation of OLs from NSCs was addressed using oligodendrocyte transcription factor 2 (Olig2) and myelin basic protein (MBP). In HOG16 OLs, collagen IV induced DDR1 phosphorylation through slow and sustained kinetics. In NSC-derived OLs, DDR1 was found in a high proportion of differentiating cells (MBP+/Olig2+), but its protein expression was decreased in later stages. The addition of collagen IV did not change the number of DDR1+/MBP+ cells but did accelerate OL branching. Here, we provide the first demonstration that collagen IV mediates the phosphorylation of DDR1 in HOG16 cells and that the in vitro co-expression of DDR1 and MBP is associated with accelerated branching during the differentiation of primary OLs.
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Affiliation(s)
- Maria Elena Silva
- Laboratory of Stem Cells and Neuroregeneration, Institute of Anatomy, Histology and Pathology, Faculty of Medicine, Universidad Austral de Chile, Valdivia 5090000, Chile
- Center for Interdisciplinary Studies on the Nervous System (CISNe), Universidad Austral de Chile, Valdivia 5090000, Chile
- Institute of Pharmacy, Faculty of Sciences, Universidad Austral de Chile, Valdivia 5090000, Chile
| | - Matías Hernández-Andrade
- Laboratory of Stem Cells and Neuroregeneration, Institute of Anatomy, Histology and Pathology, Faculty of Medicine, Universidad Austral de Chile, Valdivia 5090000, Chile
- Center for Interdisciplinary Studies on the Nervous System (CISNe), Universidad Austral de Chile, Valdivia 5090000, Chile
| | - Nerea Abasolo
- Hospital Universitari Institut Pere Mata, Institut d’Investigació Sanitària Pere Virgili-CERCA, Universitat Rovira i Virgili, 43206 Reus, Spain
| | - Cristóbal Espinoza-Cruells
- Laboratory of Stem Cells and Neuroregeneration, Institute of Anatomy, Histology and Pathology, Faculty of Medicine, Universidad Austral de Chile, Valdivia 5090000, Chile
- Center for Interdisciplinary Studies on the Nervous System (CISNe), Universidad Austral de Chile, Valdivia 5090000, Chile
| | - Josselyne B. Mansilla
- Laboratory of Stem Cells and Neuroregeneration, Institute of Anatomy, Histology and Pathology, Faculty of Medicine, Universidad Austral de Chile, Valdivia 5090000, Chile
- Center for Interdisciplinary Studies on the Nervous System (CISNe), Universidad Austral de Chile, Valdivia 5090000, Chile
| | - Carolina R. Reyes
- Laboratory of Stem Cells and Neuroregeneration, Institute of Anatomy, Histology and Pathology, Faculty of Medicine, Universidad Austral de Chile, Valdivia 5090000, Chile
- Center for Interdisciplinary Studies on the Nervous System (CISNe), Universidad Austral de Chile, Valdivia 5090000, Chile
| | - Selena Aranda
- Hospital Universitari Institut Pere Mata, Institut d’Investigació Sanitària Pere Virgili-CERCA, Universitat Rovira i Virgili, 43206 Reus, Spain
- Centro de Investigación Biomédica en Red en Salud Mental, CIBERSAM-Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Yaiza Esteban
- Vascular Medicine and Metabolism Unit, Research Unit on Lipids and Atherosclerosis, “Sant Joan” University Hospital, Institut d’Investigació Sanitària Pere Virgili-CERCA, Universitat Rovira i Virgili, 43204 Reus, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas (CIBERDEM), 28029 Madrid, Spain
| | - Ricardo Rodriguez-Calvo
- Vascular Medicine and Metabolism Unit, Research Unit on Lipids and Atherosclerosis, “Sant Joan” University Hospital, Institut d’Investigació Sanitària Pere Virgili-CERCA, Universitat Rovira i Virgili, 43204 Reus, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas (CIBERDEM), 28029 Madrid, Spain
| | - Lourdes Martorell
- Hospital Universitari Institut Pere Mata, Institut d’Investigació Sanitària Pere Virgili-CERCA, Universitat Rovira i Virgili, 43206 Reus, Spain
- Centro de Investigación Biomédica en Red en Salud Mental, CIBERSAM-Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Gerard Muntané
- Hospital Universitari Institut Pere Mata, Institut d’Investigació Sanitària Pere Virgili-CERCA, Universitat Rovira i Virgili, 43206 Reus, Spain
- Centro de Investigación Biomédica en Red en Salud Mental, CIBERSAM-Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Francisco J. Rivera
- Laboratory of Stem Cells and Neuroregeneration, Institute of Anatomy, Histology and Pathology, Faculty of Medicine, Universidad Austral de Chile, Valdivia 5090000, Chile
- Center for Interdisciplinary Studies on the Nervous System (CISNe), Universidad Austral de Chile, Valdivia 5090000, Chile
- Translational Regenerative Neurobiology Group, Molecular and Integrative Biosciences Research Program (MIBS), Faculty of Biological and Environmental Sciences, University of Helsinki, 00014 Helsinki, Finland
- Correspondence: or (F.J.R.); (E.V.); Tel.: +358-50-598-8142 or +56-63-229-3011 (F.J.R.); +34-658-513-138 (E.V.)
| | - Elisabet Vilella
- Hospital Universitari Institut Pere Mata, Institut d’Investigació Sanitària Pere Virgili-CERCA, Universitat Rovira i Virgili, 43206 Reus, Spain
- Centro de Investigación Biomédica en Red en Salud Mental, CIBERSAM-Instituto de Salud Carlos III, 28029 Madrid, Spain
- Correspondence: or (F.J.R.); (E.V.); Tel.: +358-50-598-8142 or +56-63-229-3011 (F.J.R.); +34-658-513-138 (E.V.)
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Stewart VD, Cadieux J, Thulasiram MR, Douglas TC, Drewnik DA, Selamat S, Lao Y, Spicer V, Hannila SS. Myelin‐associated glycoprotein alters the neuronal secretome and stimulates the release of
TGFβ
and proteins that affect neural plasticity. FEBS Lett 2022; 596:2952-2973. [DOI: 10.1002/1873-3468.14496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2022] [Revised: 08/26/2022] [Accepted: 08/30/2022] [Indexed: 11/12/2022]
Affiliation(s)
- Vanessa D. Stewart
- Department of Human Anatomy and Cell Science University of Manitoba Room 130, Basic Medical Sciences Building, 745 Bannatyne Avenue R3E 0J9 Winnipeg Manitoba Canada
| | - Justine Cadieux
- Department of Human Anatomy and Cell Science University of Manitoba Room 130, Basic Medical Sciences Building, 745 Bannatyne Avenue R3E 0J9 Winnipeg Manitoba Canada
| | - Matsya R. Thulasiram
- Department of Human Anatomy and Cell Science University of Manitoba Room 130, Basic Medical Sciences Building, 745 Bannatyne Avenue R3E 0J9 Winnipeg Manitoba Canada
| | - Tinsley Claire Douglas
- Department of Human Anatomy and Cell Science University of Manitoba Room 130, Basic Medical Sciences Building, 745 Bannatyne Avenue R3E 0J9 Winnipeg Manitoba Canada
| | - Dennis A. Drewnik
- Department of Human Anatomy and Cell Science University of Manitoba Room 130, Basic Medical Sciences Building, 745 Bannatyne Avenue R3E 0J9 Winnipeg Manitoba Canada
| | - Suhaila Selamat
- Department of Human Anatomy and Cell Science University of Manitoba Room 130, Basic Medical Sciences Building, 745 Bannatyne Avenue R3E 0J9 Winnipeg Manitoba Canada
| | - Ying Lao
- Centre for Proteomics and Systems Biology University of Manitoba Room 799, John Buhler Research Centre, 715 McDermot Avenue R3E 3P4 Winnipeg Manitoba Canada
| | - Victor Spicer
- Centre for Proteomics and Systems Biology University of Manitoba Room 799, John Buhler Research Centre, 715 McDermot Avenue R3E 3P4 Winnipeg Manitoba Canada
| | - Sari S. Hannila
- Department of Human Anatomy and Cell Science University of Manitoba Room 130, Basic Medical Sciences Building, 745 Bannatyne Avenue R3E 0J9 Winnipeg Manitoba Canada
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3
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Vogenstahl J, Parrilla M, Acker-Palmer A, Segarra M. Vascular Regulation of Developmental Neurogenesis. Front Cell Dev Biol 2022; 10:890852. [PMID: 35573692 PMCID: PMC9099230 DOI: 10.3389/fcell.2022.890852] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Accepted: 04/04/2022] [Indexed: 11/13/2022] Open
Abstract
Evolutionary studies indicate that the nervous system evolved prior to the vascular system, but the increasing complexity of organisms prompted the vascular system to emerge in order to meet the growing demand for oxygen and nutrient supply. In recent years, it has become apparent that the symbiotic communication between the nervous and the vascular systems goes beyond the exclusive covering of the demands on nutrients and oxygen carried by blood vessels. Indeed, this active interplay between both systems is crucial during the development of the central nervous system (CNS). Several neural-derived signals that initiate and regulate the vascularization of the CNS have been described, however less is known about the vascular signals that orchestrate the development of the CNS cytoarchitecture. Here, we focus on reviewing the effects of blood vessels in the process of neurogenesis during CNS development in vertebrates. In mammals, we describe the spatiotemporal features of vascular-driven neurogenesis in two brain regions that exhibit different neurogenic complexity in their germinal zone, the hindbrain and the forebrain.
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Affiliation(s)
- Johanna Vogenstahl
- Neuro and Vascular Guidance Group, Buchmann Institute for Molecular Life Sciences (BMLS) and Institute of Cell Biology and Neuroscience, Frankfurt am Main, Germany
- Max Planck Institute for Brain Research, Frankfurt am Main, Germany
| | - Marta Parrilla
- Neuro and Vascular Guidance Group, Buchmann Institute for Molecular Life Sciences (BMLS) and Institute of Cell Biology and Neuroscience, Frankfurt am Main, Germany
| | - Amparo Acker-Palmer
- Neuro and Vascular Guidance Group, Buchmann Institute for Molecular Life Sciences (BMLS) and Institute of Cell Biology and Neuroscience, Frankfurt am Main, Germany
- Max Planck Institute for Brain Research, Frankfurt am Main, Germany
- Cardio-Pulmonary Institute (CPI), Frankfurt am Main, Germany
- *Correspondence: Amparo Acker-Palmer, ; Marta Segarra,
| | - Marta Segarra
- Neuro and Vascular Guidance Group, Buchmann Institute for Molecular Life Sciences (BMLS) and Institute of Cell Biology and Neuroscience, Frankfurt am Main, Germany
- Cardio-Pulmonary Institute (CPI), Frankfurt am Main, Germany
- *Correspondence: Amparo Acker-Palmer, ; Marta Segarra,
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4
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Yu J, She Y, Yang L, Zhuang M, Han P, Liu J, Lin X, Wang N, Chen M, Jiang C, Zhang Y, Yuan Y, Ji S. The m 6 A Readers YTHDF1 and YTHDF2 Synergistically Control Cerebellar Parallel Fiber Growth by Regulating Local Translation of the Key Wnt5a Signaling Components in Axons. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:e2101329. [PMID: 34643063 PMCID: PMC8596126 DOI: 10.1002/advs.202101329] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 08/26/2021] [Indexed: 05/23/2023]
Abstract
Messenger RNA m6 A modification is shown to regulate local translation in axons. However, how the m6 A codes in axonal mRNAs are read and decoded by the m6 A reader proteins is still unknown. Here, it is found that the m6 A readers YTHDF1 and YTHDF2 are both expressed in cerebellar granule cells (GCs) and their axons. Knockdown (KD) of YTHDF1 or YTHDF2 significantly increases GC axon growth rates in vitro. By integrating anti-YTHDF1&2 RIP-Seq with the quantitative proteomic analysis or RNA-seq after KD of YTHDF1 or YTHDF2, a group of transcripts which may mediate the regulation of GC axon growth by YTHDFs is identified. Among them, Dvl1 and Wnt5a, encoding the key components of Wnt pathway, are further found to be locally translated in axons, which are controlled by YTHDF1 and YTHDF2, respectively. Specific ablation of Ythdf1 or Ythdf2 in GCs increases parallel fiber growth, promotes synapse formation in cerebellum in vivo, and improves motor coordination ability. Together, this study identifies a mechanism by which the m6 A readers YTHDF1 and YTHDF2 work synergistically on the Wnt5a pathway through regulating local translation in GC axons to control cerebellar parallel fiber development.
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Affiliation(s)
- Jun Yu
- School of Life SciencesDepartment of BiologyShenzhen Key Laboratory of Gene Regulation and Systems BiologyBrain Research CenterSouthern University of Science and TechnologyShenzhenGuangdong518055China
- SUSTech‐HKU Joint PhD ProgramSchool of Biomedical SciencesLi Ka Shing Faculty of MedicineThe University of Hong KongHong KongChina
| | - Yuanchu She
- School of Life SciencesDepartment of BiologyShenzhen Key Laboratory of Gene Regulation and Systems BiologyBrain Research CenterSouthern University of Science and TechnologyShenzhenGuangdong518055China
| | - Lixin Yang
- School of Life SciencesDepartment of BiologyShenzhen Key Laboratory of Gene Regulation and Systems BiologyBrain Research CenterSouthern University of Science and TechnologyShenzhenGuangdong518055China
| | - Mengru Zhuang
- School of Life SciencesDepartment of BiologyShenzhen Key Laboratory of Gene Regulation and Systems BiologyBrain Research CenterSouthern University of Science and TechnologyShenzhenGuangdong518055China
| | - Peng Han
- School of Life SciencesDepartment of BiologyShenzhen Key Laboratory of Gene Regulation and Systems BiologyBrain Research CenterSouthern University of Science and TechnologyShenzhenGuangdong518055China
| | - Jianhui Liu
- School of Life SciencesDepartment of BiologyShenzhen Key Laboratory of Gene Regulation and Systems BiologyBrain Research CenterSouthern University of Science and TechnologyShenzhenGuangdong518055China
| | - Xiaoyan Lin
- School of Life SciencesDepartment of BiologyShenzhen Key Laboratory of Gene Regulation and Systems BiologyBrain Research CenterSouthern University of Science and TechnologyShenzhenGuangdong518055China
| | - Nijia Wang
- School of Life SciencesDepartment of BiologyShenzhen Key Laboratory of Gene Regulation and Systems BiologyBrain Research CenterSouthern University of Science and TechnologyShenzhenGuangdong518055China
| | - Mengxian Chen
- School of Life SciencesDepartment of BiologyShenzhen Key Laboratory of Gene Regulation and Systems BiologyBrain Research CenterSouthern University of Science and TechnologyShenzhenGuangdong518055China
| | - Chunxuan Jiang
- School of Life SciencesDepartment of BiologyShenzhen Key Laboratory of Gene Regulation and Systems BiologyBrain Research CenterSouthern University of Science and TechnologyShenzhenGuangdong518055China
| | - Yujia Zhang
- School of Life SciencesDepartment of BiologyShenzhen Key Laboratory of Gene Regulation and Systems BiologyBrain Research CenterSouthern University of Science and TechnologyShenzhenGuangdong518055China
| | - Yujing Yuan
- School of Life SciencesDepartment of BiologyShenzhen Key Laboratory of Gene Regulation and Systems BiologyBrain Research CenterSouthern University of Science and TechnologyShenzhenGuangdong518055China
| | - Sheng‐Jian Ji
- School of Life SciencesDepartment of BiologyShenzhen Key Laboratory of Gene Regulation and Systems BiologyBrain Research CenterSouthern University of Science and TechnologyShenzhenGuangdong518055China
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5
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Mehta V, Chander H, Munshi A. Complex roles of discoidin domain receptor tyrosine kinases in cancer. Clin Transl Oncol 2021; 23:1497-1510. [PMID: 33634432 DOI: 10.1007/s12094-021-02552-6] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 01/07/2021] [Indexed: 12/15/2022]
Abstract
Discoidin domain receptors, DDR1 and DDR2 are members of the receptor tyrosine kinase (RTK) family that serves as a non-integrin collagen receptor and were initially identified as critical regulators of embryonic development and cellular homeostasis. In recent years, numerous studies have focused on the role of these receptors in disease development, in particular, cancer where they have been reported to augment ECM remodeling, invasion, drug resistance to facilitate tumor progression and metastasis. Interestingly, accumulating evidence also suggests that DDRs promote apoptosis and suppress tumor progression in various human cancers due to which their functions in cancer remain ill-defined and presents a case of an interesting therapeutic target. The present review has discussed the role of DDRs in tumorigenesis and the metastasis.
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Affiliation(s)
- V Mehta
- Department of Human Genetics and Molecular Medicine, Central University of Punjab, Bathinda, 151001, India.
| | - H Chander
- Department of Human Genetics and Molecular Medicine, Central University of Punjab, Bathinda, 151001, India.,National Institute of Biologicals, Sector 62, Noida-201309, India
| | - A Munshi
- Department of Human Genetics and Molecular Medicine, Central University of Punjab, Bathinda, 151001, India
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6
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Vilella E, Gas C, Garcia-Ruiz B, Rivera FJ. Expression of DDR1 in the CNS and in myelinating oligodendrocytes. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2019; 1866:118483. [PMID: 31108116 DOI: 10.1016/j.bbamcr.2019.04.010] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 04/29/2019] [Accepted: 04/30/2019] [Indexed: 12/15/2022]
Abstract
Discoidin domain receptor 1 (DDR1) is a tyrosine kinase receptor that is activated by fibrillar collagens. Here, we review the expression and role of DDR1 in the central nervous system (CNS). In a murine model, DDR1 is expressed in oligodendrocytes in the developing brain and during remyelination. In human adult brain tissue, DDR1 is detected in a similar pattern as other classical myelin proteins such as myelin basic protein (MBP). Up to 50 transcripts of DDR1 have been detected in human tissues, of which 5 isoforms have been identified. In the human brain, all 5 isoforms are detectable, but DDR1b is the most highly expressed, and DDR1c is coexpressed with myelin genes. DDR1 sequence variants have been associated with psychiatric disorders, and upregulation of this gene occurs in gliomas. Moreover, mutations in DDR1 have been found in tumors of Schwann cells, which are the myelinating cells of the peripheral nervous system. All these data suggest that DDR1 plays a role in myelination and is relevant to neuropsychiatric diseases.
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Affiliation(s)
- Elisabet Vilella
- Hospital Universitari Institut Pere Mata, Ctra de l'Institut Pere Mata, s/n, 43206 Reus, Spain; Institut d'Investigació Sanitària Pere Virgili, Avda. Josep Laporte, 1, 43204 Reus, Spain; Universitat Rovira i Virgili, C/ Sant Llorenç, 21, 43201 Reus, Spain; Centro de investigaciòn biomedical en red en Salud Mental (CIBERSAM), Spain.
| | - Cinta Gas
- Institut d'Investigació Sanitària Pere Virgili, Avda. Josep Laporte, 1, 43204 Reus, Spain; Universitat Rovira i Virgili, C/ Sant Llorenç, 21, 43201 Reus, Spain.
| | - Beatriz Garcia-Ruiz
- Hospital Universitari Institut Pere Mata, Ctra de l'Institut Pere Mata, s/n, 43206 Reus, Spain; Universitat Rovira i Virgili, C/ Sant Llorenç, 21, 43201 Reus, Spain.
| | - Francisco J Rivera
- Laboratory of Stem Cells and Neuroregeneration, Institute of Anatomy, Histology and Pathology, Faculty of Medicine, Universidad Austral de Chile, 5090000 Valdivia, Chile; Center for Interdisciplinary Studies on the Nervous System (CISNe), Universidad Austral de Chile, 5090000 Valdivia, Chile; Institute of Molecular Regenerative Medicine, Paracelsus Medical University, 5020 Salzburg, Austria; Spinal Cord Injury and Tissue Regeneration Center Salzburg (SCI-TReCS), Paracelsus Medical University, 5020 Salzburg, Austria.
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7
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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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8
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El Azreq MA, Kadiri M, Boisvert M, Pagé N, Tessier PA, Aoudjit F. Discoidin domain receptor 1 promotes Th17 cell migration by activating the RhoA/ROCK/MAPK/ERK signaling pathway. Oncotarget 2018; 7:44975-44990. [PMID: 27391444 PMCID: PMC5216699 DOI: 10.18632/oncotarget.10455] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Accepted: 06/13/2016] [Indexed: 12/20/2022] Open
Abstract
Effector T cell migration through the tissue extracellular matrix (ECM) is an important step of the adaptive immune response and in the development of inflammatory diseases. However, the mechanisms involved in this process are still poorly understood. In this study, we addressed the role of a collagen receptor, the discoidin domain receptor 1 (DDR1), in the migration of Th17 cells. We showed that the vast majority of human Th17 cells express DDR1 and that silencing DDR1 or using the blocking recombinant receptor DDR1:Fc significantly reduced their motility and invasion in three-dimensional (3D) collagen. DDR1 promoted Th17 migration by activating RhoA/ROCK and MAPK/ERK signaling pathways. Interestingly, the RhoA/ROCK signaling module was required for MAPK/ERK activation. Finally, we showed that DDR1 is important for the recruitment of Th17 cells into the mouse dorsal air pouch containing the chemoattractant CCL20. Collectively, our results indicate that DDR1, via the activation of RhoA/ROCK/MAPK/ERK signaling axis, is a key pathway of effector T cell migration through collagen of perivascular tissues. As such, DDR1 can contribute to the development of Th17-dependent inflammatory diseases.
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Affiliation(s)
- Mohammed-Amine El Azreq
- Axe de Recherche sur les Maladies Infectieuses et Immunitaires, Centre de Recherche du Centre Hospitalier Universitaire de Québec, Québec, QC, Canada
| | - Maleck Kadiri
- Axe de Recherche sur les Maladies Infectieuses et Immunitaires, Centre de Recherche du Centre Hospitalier Universitaire de Québec, Québec, QC, Canada
| | - Marc Boisvert
- Axe de Recherche sur les Maladies Infectieuses et Immunitaires, Centre de Recherche du Centre Hospitalier Universitaire de Québec, Québec, QC, Canada
| | - Nathalie Pagé
- Axe de Recherche sur les Maladies Infectieuses et Immunitaires, Centre de Recherche du Centre Hospitalier Universitaire de Québec, Québec, QC, Canada
| | - Philippe A Tessier
- Axe de Recherche sur les Maladies Infectieuses et Immunitaires, Centre de Recherche du Centre Hospitalier Universitaire de Québec, Québec, QC, Canada.,Département de Microbiologie-Immunologie, Faculté de Médecine, Université Laval, Québec, QC, Canada
| | - Fawzi Aoudjit
- Axe de Recherche sur les Maladies Infectieuses et Immunitaires, Centre de Recherche du Centre Hospitalier Universitaire de Québec, Québec, QC, Canada.,Département de Microbiologie-Immunologie, Faculté de Médecine, Université Laval, Québec, QC, Canada
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9
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Yu J, Mu J, Guo Q, Yang L, Zhang J, Liu Z, Yu B, Zhang T, Xie J. Transcriptomic profile analysis of mouse neural tube development by RNA-Seq. IUBMB Life 2017; 69:706-719. [PMID: 28691208 DOI: 10.1002/iub.1653] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2017] [Accepted: 06/21/2017] [Indexed: 12/12/2022]
Abstract
The neural tube is the primordium of the central nervous system (CNS) in which its development is not entirely clear. Understanding the cellular and molecular basis of neural tube development could, therefore, provide vital clues to the mechanism of neural tube defects (NTDs). Here, we investigated the gene expression profiles of three different time points (embryonic day (E) 8.5, 9.5 and 10.5) of mouse neural tube by using RNA-seq approach. About 391 differentially expressed genes (DEGs) were screened during mouse neural tube development, including 45 DEGs involved in CNS development, among which Bmp2, Ascl1, Olig2, Lhx1, Wnt7b and Eomes might play the important roles. Of 45 DEGs, Foxp2, Eomes, Hoxb3, Gpr56, Hap1, Nkx2-1, Sez6l2, Wnt7b, Tbx20, Nfib, Cntn1 and Dcx had different isoforms, and the opposite expression pattern of different isoforms was observed for Gpr56, Nkx2-1 and Sez6l2. In addition, alternative splicing, such as mutually exclusive exon, retained intron, skipped exon and alternative 3' splice site was identified in 10 neural related differentially splicing genes, including Ngrn, Ddr1, Dctn1, Dnmt3b, Ect2, Map2, Mbnl1, Meis2, Vcan and App. Moreover, seven neural splicing factors, such as Nova1/2, nSR100/Srrm4, Elavl3/4, Celf3 and Rbfox1 were differentially expressed during mouse neural tube development. Interestingly, nine DEGs identified above were dysregulated in retinoic acid-induced NTDs model, indicating the possible important role of these genes in NTDs. Taken together, our study provides more comprehensive information on mouse neural tube development, which might provide new insights on NTDs occurrence. © 2017 IUBMB Life, 69(9):706-719, 2017.
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Affiliation(s)
- Juan Yu
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, China
| | - Jianbing Mu
- Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MA, USA
| | - Qian Guo
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, China
| | - Lihong Yang
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, China
| | - Juan Zhang
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, China
| | - Zhizhen Liu
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, China
| | - Baofeng Yu
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, China
| | - Ting Zhang
- Capital Institute of Pediatrics, Beijing, China
| | - Jun Xie
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, China
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10
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Hisamoto N, Nagamori Y, Shimizu T, Pastuhov SI, Matsumoto K. The C. elegans Discoidin Domain Receptor DDR-2 Modulates the Met-like RTK-JNK Signaling Pathway in Axon Regeneration. PLoS Genet 2016; 12:e1006475. [PMID: 27984580 PMCID: PMC5161311 DOI: 10.1371/journal.pgen.1006475] [Citation(s) in RCA: 13] [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: 05/11/2016] [Accepted: 11/11/2016] [Indexed: 11/22/2022] Open
Abstract
The ability of specific neurons to regenerate their axons after injury is governed by cell-intrinsic regeneration pathways. However, the signaling pathways that orchestrate axon regeneration are not well understood. In Caenorhabditis elegans, initiation of axon regeneration is positively regulated by SVH-2 Met-like growth factor receptor tyrosine kinase (RTK) signaling through the JNK MAPK pathway. Here we show that SVH-4/DDR-2, an RTK containing a discoidin domain that is activated by collagen, and EMB-9 collagen type IV regulate the regeneration of neurons following axon injury. The scaffold protein SHC-1 interacts with both DDR-2 and SVH-2. Furthermore, we demonstrate that overexpression of svh-2 and shc-1 suppresses the delay in axon regeneration observed in ddr-2 mutants, suggesting that DDR-2 functions upstream of SVH-2 and SHC-1. These results suggest that DDR-2 modulates the SVH-2–JNK pathway via SHC-1. We thus identify two different RTK signaling networks that play coordinated roles in the regulation of axonal regeneration. An axon’s ability to regenerate after injury is governed by cell-intrinsic regeneration pathways. The C. elegans JNK MAP kinase pathway is required for the regrowth of neurons after injury. Previously, we identified several svh genes involved in JNK-mediated signaling. Among them, the svh-1 and svh-2 genes encode a growth factor and its receptor tyrosine kinase (RTK), respectively. This SVH-1–SVH-2 signaling cascade positively regulates axon regeneration through the JNK pathway. In the present study, we investigate the role of the svh-4/ddr-2 gene, which encodes an RTK containing a discoidin domain that is activated by collagen. Indeed, DDR-2 functions downstream of EMB-9 collagen type IV. Here, we show that the ddr-2 and emb-9 mutations delay initiation of regeneration after axon injury. Furthermore, we demonstrate that DDR-2 modulates the SVH-1–SVH-2–JNK pathway through the scaffold protein SHC-1. Thus, two different RTK signaling networks play coordinated roles in the regulation of axonal regeneration.
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Affiliation(s)
- Naoki Hisamoto
- Division of Biological Science, Graduate School of Science, Nagoya University, Chikusa-ku, Nagoya, Japan
- * E-mail: (K.M.); (N.H.)
| | - Yuki Nagamori
- Division of Biological Science, Graduate School of Science, Nagoya University, Chikusa-ku, Nagoya, Japan
| | - Tatsuhiro Shimizu
- Division of Biological Science, Graduate School of Science, Nagoya University, Chikusa-ku, Nagoya, Japan
| | - Strahil I. Pastuhov
- Division of Biological Science, Graduate School of Science, Nagoya University, Chikusa-ku, Nagoya, Japan
| | - Kunihiro Matsumoto
- Division of Biological Science, Graduate School of Science, Nagoya University, Chikusa-ku, Nagoya, Japan
- * E-mail: (K.M.); (N.H.)
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11
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Takeuchi M, Yamaguchi S, Yonemura S, Kakiguchi K, Sato Y, Higashiyama T, Shimizu T, Hibi M. Type IV Collagen Controls the Axogenesis of Cerebellar Granule Cells by Regulating Basement Membrane Integrity in Zebrafish. PLoS Genet 2015; 11:e1005587. [PMID: 26451951 PMCID: PMC4599943 DOI: 10.1371/journal.pgen.1005587] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2015] [Accepted: 09/17/2015] [Indexed: 01/08/2023] Open
Abstract
Granule cells (GCs) are the major glutamatergic neurons in the cerebellum, and GC axon formation is an initial step in establishing functional cerebellar circuits. In the zebrafish cerebellum, GCs can be classified into rostromedial and caudolateral groups, according to the locations of their somata in the corresponding cerebellar lobes. The axons of the GCs in the caudolateral lobes terminate on crest cells in the dorsal hindbrain, as well as forming en passant synapses with Purkinje cells in the cerebellum. In the zebrafish mutant shiomaneki, the caudolateral GCs extend aberrant axons. Positional cloning revealed that the shiomaneki (sio) gene locus encodes Col4a6, a subunit of type IV collagen, which, in a complex with Col4a5, is a basement membrane (BM) component. Both col4a5 and col4a6 mutants displayed similar abnormalities in the axogenesis of GCs and retinal ganglion cells (RGCs). Although type IV collagen is reported to control axon targeting by regulating the concentration gradient of an axonal guidance molecule Slit, Slit overexpression did not affect the GC axons. The structure of the BM surrounding the tectum and dorsal hindbrain was disorganized in the col4a5 and col4a6 mutants. Moreover, the abnormal axogenesis of the caudolateral GCs and the RGCs was coupled with aberrant BM structures in the type IV collagen mutants. The regrowth of GC axons after experimental ablation revealed that the original and newly formed axons displayed similar branching and extension abnormalities in the col4a6 mutants. These results collectively suggest that type IV collagen controls GC axon formation by regulating the integrity of the BM, which provides axons with the correct path to their targets. The cerebellum is involved in motor coordination and motor learning. Granule cells are the major excitatory neurons in the cerebellum. It is largely unknown how the formation of cerebellar neural circuits, including the elaboration of granule cell axons, is controlled. We investigated a zebrafish mutant shiomaneki, in which some of the granule cells have abnormal axons. We identified collagen (col) 4a6 as the gene responsible for the mutant phenotype. Col4a6 forms a complex with Col4a5, which is a component of the basement membrane. We found that mutants of both col4a5 and col4a6 showed similar axonal abnormalities in both the granule cells and the retinal ganglion cells, and that the basement membrane structure surrounding the central nervous system was disrupted in these mutants. Furthermore, the abnormalities in granule cell axon formation were coupled with aberrant basement membrane structures in the col4a6 mutants. These data suggest that type IV collagen controls the axon formation of some types of neurons by establishing and/or maintaining the integrity of the basement membrane, which provides axons with the correct path to their targets. These findings may explain some aspects of a human disorder, Alport syndrome, which is caused by mutations in type IV collagen genes.
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Affiliation(s)
- Miki Takeuchi
- Laboratory of Organogenesis and Organ Function, Bioscience and Biotechnology Center, Nagoya University, Nagoya, Aichi, Japan
| | - Shingo Yamaguchi
- Devision of Biological Science, Graduate School of Science, Nagoya University, Nagoya, Aichi, Japan
| | - Shigenobu Yonemura
- Ultrastructural Research Team, RIKEN Center for Life Science Technologies, Kobe, Hyogo, Japan
| | - Kisa Kakiguchi
- Ultrastructural Research Team, RIKEN Center for Life Science Technologies, Kobe, Hyogo, Japan
| | - Yoshikatsu Sato
- Institute of Transformative Bio-Molecules, Nagoya University, Nagoya, Aichi, Japan
| | - Tetsuya Higashiyama
- Institute of Transformative Bio-Molecules, Nagoya University, Nagoya, Aichi, Japan
| | - Takashi Shimizu
- Laboratory of Organogenesis and Organ Function, Bioscience and Biotechnology Center, Nagoya University, Nagoya, Aichi, Japan
- Devision of Biological Science, Graduate School of Science, Nagoya University, Nagoya, Aichi, Japan
| | - Masahiko Hibi
- Laboratory of Organogenesis and Organ Function, Bioscience and Biotechnology Center, Nagoya University, Nagoya, Aichi, Japan
- Devision of Biological Science, Graduate School of Science, Nagoya University, Nagoya, Aichi, Japan
- * E-mail:
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12
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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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13
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Rudd ML, Mohamed H, Price JC, O'Hara AJ, Le Gallo M, Urick ME, Cruz P, Zhang S, Hansen NF, Godwin AK, Sgroi DC, Wolfsberg TG, Mullikin JC, Merino MJ, Bell DW. Mutational analysis of the tyrosine kinome in serous and clear cell endometrial cancer uncovers rare somatic mutations in TNK2 and DDR1. BMC Cancer 2014; 14:884. [PMID: 25427824 PMCID: PMC4258955 DOI: 10.1186/1471-2407-14-884] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2014] [Accepted: 11/13/2014] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Endometrial cancer (EC) is the 8th leading cause of cancer death amongst American women. Most ECs are endometrioid, serous, or clear cell carcinomas, or an admixture of histologies. Serous and clear ECs are clinically aggressive tumors for which alternative therapeutic approaches are needed. The purpose of this study was to search for somatic mutations in the tyrosine kinome of serous and clear cell ECs, because mutated kinases can point to potential therapeutic targets. METHODS In a mutation discovery screen, we PCR amplified and Sanger sequenced the exons encoding the catalytic domains of 86 tyrosine kinases from 24 serous, 11 clear cell, and 5 mixed histology ECs. For somatically mutated genes, we next sequenced the remaining coding exons from the 40 discovery screen tumors and sequenced all coding exons from another 72 ECs (10 clear cell, 21 serous, 41 endometrioid). We assessed the copy number of mutated kinases in this cohort of 112 tumors using quantitative real time PCR, and we used immunoblotting to measure expression of these kinases in endometrial cancer cell lines. RESULTS Overall, we identified somatic mutations in TNK2 (tyrosine kinase non-receptor, 2) and DDR1 (discoidin domain receptor tyrosine kinase 1) in 5.3% (6 of 112) and 2.7% (3 of 112) of ECs. Copy number gains of TNK2 and DDR1 were identified in another 4.5% and 0.9% of 112 cases respectively. Immunoblotting confirmed TNK2 and DDR1 expression in endometrial cancer cell lines. Three of five missense mutations in TNK2 and one of two missense mutations in DDR1 are predicted to impact protein function by two or more in silico algorithms. The TNK2(P761Rfs*72) frameshift mutation was recurrent in EC, and the DDR1(R570Q) missense mutation was recurrent across tumor types. CONCLUSIONS This is the first study to systematically search for mutations in the tyrosine kinome in clear cell endometrial tumors. Our findings indicate that high-frequency somatic mutations in the catalytic domains of the tyrosine kinome are rare in clear cell ECs. We uncovered ten new mutations in TNK2 and DDR1 within serous and endometrioid ECs, thus providing novel insights into the mutation spectrum of each gene in EC.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Daphne W Bell
- Cancer Genetics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda MD 20892, USA.
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14
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Hsieh CP, Chang WT, Lee YC, Huang AM. Deficits in cerebellar granule cell development and social interactions in CD47 knockout mice. Dev Neurobiol 2014; 75:463-84. [PMID: 25288019 DOI: 10.1002/dneu.22236] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2014] [Revised: 09/15/2014] [Accepted: 09/29/2014] [Indexed: 01/18/2023]
Abstract
CD47 is involved in neurite differentiation in cultured neurons, but the function of CD47 in brain development is largely unknown. We determined that CD47 mRNA was robustly expressed in the developing cerebellum, especially in granule cells. CD47 protein was mainly expressed in the inner layer of the external granule layer (EGL), molecular layer, and internal granule layer (IGL), where granule cells individually become postmitotic and migrate, leading to neurite fasciculation. At postnatal day 8 (P8), CD47 knockout mice exhibited an increased number of proliferating granule cells in the EGL, whereas the CD47 agonist peptide 4N1K increased the number of postmitotic cells in primary granule cells. Knocking out the CD47 gene and anti-CD47 antibody impaired the radial migration of granule cells from the EGL to the IGL individually in mice and slice cultures. In primary granule cells, knocking out CD47 reduced the number of axonal collaterals and dendritic branches; by contrast, overexpressing CD47 or 4N1K treatment increased the axonal length and numbers of axonal collaterals and dendritic branches. Furthermore, the length of the fissure between Lobules VI and VII was decreased in CD47 knockout mice at P21 and at 14 wk after birth. Lastly, CD47 knockout mice exhibited increased social interaction at P21 and depressive-like behaviors at 10 wk after birth. Our study revealed that the cell adhesion molecule CD47 participates in multiple phases of granule cell development, including proliferation, migration, and neurite differentiation implying that aberrations of CD47 are risk factors that cause abnormalities in cerebellar development and atypical behaviors.
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Affiliation(s)
- Chung-Pin Hsieh
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan 701
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15
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Abbonante V, Gruppi C, Rubel D, Gross O, Moratti R, Balduini A. Discoidin domain receptor 1 protein is a novel modulator of megakaryocyte-collagen interactions. J Biol Chem 2013; 288:16738-16746. [PMID: 23530036 DOI: 10.1074/jbc.m112.431528] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Growing evidence demonstrates that extracellular matrices regulate many aspects of megakaryocyte (MK) development; however, among the different extracellular matrix receptors, integrin α2β1 and glycoprotein VI are the only collagen receptors studied in platelets and MKs. In this study, we demonstrate the expression of the novel collagen receptor discoidin domain receptor 1 (DDR1) by human MKs at both mRNA and protein levels and provide evidence of DDR1 involvement in the regulation of MK motility on type I collagen through a mechanism based on the activity of SHP1 phosphatase and spleen tyrosine kinase (Syk). Specifically, we demonstrated that inhibition of DDR1 binding to type I collagen, preserving the engagement of the other collagen receptors, glycoprotein VI, α2β1, and LAIR-1, determines a decrease in MK migration due to the reduction in SHP1 phosphatase activity and consequent increase in the phosphorylation level of its main substrate Syk. Consistently, inhibition of Syk activity restored MK migration on type I collagen. In conclusion, we report the expression and function of a novel collagen receptor on human MKs, and we point out that an increasing level of complexity is necessary to better understand MK-collagen interactions in the bone marrow environment.
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Affiliation(s)
- Vittorio Abbonante
- Biotechnology Research Laboratories, Department of Molecular Medicine, Istituto di Ricerca e Cura a Carattere Scientifico (IRCCS) San Matteo Foundation, University of Pavia, 27100 Pavia, Italy
| | - Cristian Gruppi
- Biotechnology Research Laboratories, Department of Molecular Medicine, Istituto di Ricerca e Cura a Carattere Scientifico (IRCCS) San Matteo Foundation, University of Pavia, 27100 Pavia, Italy
| | - Diana Rubel
- Department of Nephrology and Rheumatology, University Medical Center Goettingen, 37075 Goettingen, Germany
| | - Oliver Gross
- Department of Nephrology and Rheumatology, University Medical Center Goettingen, 37075 Goettingen, Germany
| | - Remigio Moratti
- Biotechnology Research Laboratories, Department of Molecular Medicine, Istituto di Ricerca e Cura a Carattere Scientifico (IRCCS) San Matteo Foundation, University of Pavia, 27100 Pavia, Italy
| | - Alessandra Balduini
- Biotechnology Research Laboratories, Department of Molecular Medicine, Istituto di Ricerca e Cura a Carattere Scientifico (IRCCS) San Matteo Foundation, University of Pavia, 27100 Pavia, Italy; Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155.
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16
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Yeh YC, Lin HH, Tang MJ. A tale of two collagen receptors, integrin β1 and discoidin domain receptor 1, in epithelial cell differentiation. Am J Physiol Cell Physiol 2012; 303:C1207-17. [DOI: 10.1152/ajpcell.00253.2012] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
As increase in collagen deposition is no longer taken as simply a consequence but, rather, an inducer of disease progression; therefore, the understanding of collagen signal transduction is fundamentally important. Cells contain at least two types of collagen receptors: integrins and discoidin domain receptors (DDRs). The integrin heterodimers α1β1, α2β1, α10β1, and α11β1 are recognized as the non-tyrosine kinase collagen receptors. DDR1 and 2, the tyrosine kinase receptors of collagen, are specifically expressed in epithelium and mesenchyme, respectively. While integrin β1 and DDR1 are both required for cell adhesion on collagen, their roles in epithelial cell differentiation during development and disease progression seem to counteract each other, with integrin β1 favoring epithelium mesenchyme transition (EMT) and DDR1 inducing epithelial cell differentiation. The in vitro evidence shows that the integrin β1 and DDR1 exert opposing actions in regulation of membrane stability of E-cadherin, which itself is a critical regulator of epithelial cell differentiation. Here, we review the functional roles of integrin β1 and DDR1 in regulation of epithelial cell differentiation during development and disease progression, and explore the underlining mechanisms regarding to the regulation of membrane stability of E-cadherin.
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Affiliation(s)
- Yi-Chun Yeh
- Department of Physiology, National Cheng Kung University Medicine College, Tainan, Taiwan; and
| | - Hsi-Hui Lin
- Department of Physiology, National Cheng Kung University Medicine College, Tainan, Taiwan; and
| | - Ming-Jer Tang
- Department of Physiology, National Cheng Kung University Medicine College, Tainan, Taiwan; and
- Center for Gene Regulation and Signal Transduction, National Cheng Kung University Medicine College, Tainan, Taiwan
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17
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Unsoeld T, Park JO, Hutter H. Discoidin domain receptors guide axons along longitudinal tracts in C. elegans. Dev Biol 2012; 374:142-52. [PMID: 23147028 DOI: 10.1016/j.ydbio.2012.11.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2012] [Revised: 11/01/2012] [Accepted: 11/03/2012] [Indexed: 10/27/2022]
Abstract
Discoidin domain receptors are a family of receptor tyrosine kinases activated by collagens. Here we characterize the role of the two discoidin domain receptors, ddr-1 and ddr-2, of the nematode C. elegans during nervous system development. ddr-2 mutant animals exhibit axon guidance defects in major longitudinal tracts most prominently in the ventral nerve cord. ddr-1 mutants show no significant phenotype on their own but significantly enhance guidance defects of ddr-2 in double mutants. ddr-1 and ddr-2 GFP-reporter constructs are expressed in neurons with axons in all affected nerve tracts. DDR-1 and DDR-2 GFP fusion proteins localize to axons. DDR-2 is required cell-autonomously in the PVPR neuron for the guidance of the PVPR pioneer axon, which establishes the left ventral nerve cord tract and serves as substrate for later outgrowing follower axons. Our results provide the first insight on discoidin domain receptor function in invertebrates and establish a novel role for discoidin domain receptors in axon navigation and axon tract formation.
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Affiliation(s)
- Thomas Unsoeld
- Department of Biological Sciences, Simon Fraser University, Burnaby, BC, Canada
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18
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Valiathan RR, Marco M, Leitinger B, Kleer CG, Fridman R. Discoidin domain receptor tyrosine kinases: new players in cancer progression. Cancer Metastasis Rev 2012; 31:295-321. [PMID: 22366781 DOI: 10.1007/s10555-012-9346-z] [Citation(s) in RCA: 266] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Almost all human cancers display dysregulated expression and/or function of one or more receptor tyrosine kinases (RTKs). The strong causative association between altered RTK function and cancer progression has been translated into novel therapeutic strategies that target these cell surface receptors in cancer. Yet, the full spectrum of RTKs that may alter the oncogenic process is not completely understood. Accumulating evidence suggests that a unique set of RTKs known as the discoidin domain receptors (DDRs) play a key role in cancer progression by regulating the interactions of tumor cells with their surrounding collagen matrix. The DDRs are the only RTKs that specifically bind to and are activated by collagen. DDRs control cell and tissue homeostasis by acting as collagen sensors, transducing signals that regulate cell polarity, tissue morphogenesis, and cell differentiation. In cancer, DDRs are hijacked by tumor cells to disrupt normal cell-matrix communication and initiate pro-migratory and pro-invasive programs. Importantly, several cancer types exhibit DDR mutations, which are thought to alter receptor function and contribute to cancer progression. Other evidence suggests that the actions of DDRs in cancer are complex, either promoting or suppressing tumor cell behavior in a DDR type/isoform specific- and context-dependent manner. Thus, there is still a considerable gap in our knowledge of DDR actions in cancer tissues. This review summarizes and discusses the current knowledge on DDR expression and function in cancer. It is hoped that this effort will encourage more research into these poorly understood but unique RTKs, which have the potential of becoming novel therapeutic targets in cancer.
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Affiliation(s)
- Rajeshwari R Valiathan
- Department of Pathology, Wayne State University School of Medicine, Detroit, MI 48201, USA
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19
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Suzuki N, Ando S, Sumida K, Horie N, Saito K. Analysis of altered gene expression specific to embryotoxic chemical treatment during embryonic stem cell differentiation into myocardiac and neural cells. J Toxicol Sci 2012; 36:569-85. [PMID: 22008533 DOI: 10.2131/jts.36.569] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Embryonic stem cells (ES cells), pluripotent cells derived from the inner cell mass of blastocysts, differentiate in vitro into a variety of cell types representing all three germ layers. They therefore constitute one of the most promising in vitro tools for developmental toxicology. To assess the developmental toxicity of chemicals using ES cells easily, identification of effective marker genes is a high priority. We report here altered gene expression during ES cell differentiation into myocardiac and neural cells on treatment with some embryotoxic and non-embryotoxic chemicals. Decreases in several undifferentiated markers such as Oct3/4 and Nanog, and elevated expression of genes associated with heart development or the central nervous system, respectively, were found on microarray analysis. Under differentiation of ES cells into myocardic cells, 107 genes were substantially up-regulated. Decrease in the expression of 13 genes of these (Hand1, Pim2, Tbx20, Myl4, Myl7, Hbb-bh1, Hba-a1, Col1a2, Hba-x, Cmya1, Pitx2, Smyd1 and Adam19) was observed specifically by embryotoxic chemicals. Of the 107 genes up-regulated under differentiation into neurons, 22 genes (Map2, Cpe, Marcks, Ptbp2, Sox11, Tubb2b, Vim, Arx, Emx2, Pax6, Basp1, Ddr1, Ndn, Sfrp, Ttc3, Ubqln2, Six3, Dcx, L1cam, Reln, Wnt1 and Nnat) showed reduced expression specifically by embryotoxic chemicals. Almost all gene sets identified in this study are known to be indispensable for differentiation and development of heart and brain tissues, and thus may serve in early detection or prediction of embryotoxicity of chemicals in vitro.
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Affiliation(s)
- Noriyuki Suzuki
- Environmental Health Science Laboratory, Sumitomo Chemical Co., Ltd., Osaka, Japan.
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20
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Myers JP, Santiago-Medina M, Gomez TM. Regulation of axonal outgrowth and pathfinding by integrin-ECM interactions. Dev Neurobiol 2011; 71:901-23. [PMID: 21714101 PMCID: PMC3192254 DOI: 10.1002/dneu.20931] [Citation(s) in RCA: 157] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Developing neurons use a combination of guidance cues to assemble a functional neural network. A variety of proteins immobilized within the extracellular matrix (ECM) provide specific binding sites for integrin receptors on neurons. Integrin receptors on growth cones associate with a number of cytosolic adaptor and signaling proteins that regulate cytoskeletal dynamics and cell adhesion. Recent evidence suggests that soluble growth factors and classic axon guidance cues may direct axon pathfinding by controlling integrin-based adhesion. Moreover, because classic axon guidance cues themselves are immobilized within the ECM and integrins modulate cellular responses to many axon guidance cues, interactions between activated receptors modulate cell signals and adhesion. Ultimately, growth cones control axon outgrowth and pathfinding behaviors by integrating distinct biochemical signals to promote the proper assembly of the nervous system. In this review, we discuss our current understanding how ECM proteins and their associated integrin receptors control neural network formation.
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Affiliation(s)
- Jonathan P Myers
- Department of Neuroscience, Neuroscience Training Program, University of Wisconsin, Madison, Wisconsin 53706, USA
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21
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Chetoui N, El azreq MA, Boisvert M, Bergeron MÈ, Aoudjit F. Discoidin domain receptor 1 expression in activated T cells is regulated by the ERK MAP kinase signaling pathway. J Cell Biochem 2011; 112:3666-74. [DOI: 10.1002/jcb.23300] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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22
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Starossom SC, Imitola J, Wang Y, Cao L, Khoury SJ. Subventricular zone microglia transcriptional networks. Brain Behav Immun 2011; 25:991-9. [PMID: 21074605 PMCID: PMC3109092 DOI: 10.1016/j.bbi.2010.11.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2010] [Revised: 11/03/2010] [Accepted: 11/03/2010] [Indexed: 01/19/2023] Open
Abstract
Microglia play an important role in inflammatory diseases of the central nervous system. There is evidence of microglial diversity with distinct phenotypes exhibiting either neuroprotection and repair or neurotoxicity. However the precise molecular mechanisms underlying this diversity are still unknown. Using a model of experimental autoimmune encephalomyelitis (EAE) we performed transcriptional profiling of isolated subventricular zone microglia from the acute and chronic disease phases of EAE. We found that microglia exhibit disease phase specific gene expression signatures, that correspond to unique gene ontology functions and genomic networks. Our data demonstrate for the first time, distinct transcriptional networks of microglia activation in vivo, that suggests a role as mediators of injury or repair.
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Affiliation(s)
- Sarah C. Starossom
- Center for Neurologic Diseases, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115 USA
| | - Jaime Imitola
- Center for Neurologic Diseases, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115 USA
| | - Yue Wang
- Center for Neurologic Diseases, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115 USA
| | - Li Cao
- Center for Neurologic Diseases, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115 USA
| | - Samia J. Khoury
- Center for Neurologic Diseases, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115 USA
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23
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Song S, Shackel NA, Wang XM, Ajami K, McCaughan GW, Gorrell MD. Discoidin domain receptor 1: isoform expression and potential functions in cirrhotic human liver. THE AMERICAN JOURNAL OF PATHOLOGY 2011; 178:1134-44. [PMID: 21356365 DOI: 10.1016/j.ajpath.2010.11.068] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Received: 06/15/2010] [Revised: 11/06/2010] [Accepted: 11/15/2010] [Indexed: 12/24/2022]
Abstract
Discoidin domain receptor 1 (DDR1) is a receptor tyrosine kinase that binds and is activated by collagens. Transcriptional profiling of cirrhosis in human liver using a DNA array and quantitative PCR detected elevated mRNA expression of DDR1 compared with that in nondiseased liver. The present study characterized DDR1 expression in cirrhotic and nondiseased human liver and examined the cellular effects of DDR1 expression. mRNA expression of all five isoforms of DDR1 was detected in human liver, whereas DDR1a demonstrated differential expression in liver with hepatitis C virus and primary biliary cirrhosis compared with nondiseased liver. In addition, immunoblot analysis detected shed fragments of DDR1 more readily in cirrhotic liver than in nondiseased liver. Inasmuch as DDR1 is subject to protease-mediated cleavage after prolonged interaction with collagen, this differential expression may indicate more intense activation of DDR1 protein in cirrhotic compared with nondiseased liver. In situ hybridization and immunofluorescence localized intense DDR1 mRNA and protein expression to epithelial cells including hepatocytes at the portal-parenchymal interface and the luminal aspect of the biliary epithelium. Overexpression of DDR1a altered hepatocyte behavior including increased adhesion and less migration on extracelular matrix substrates. DDR1a regulated extracellular expression of matrix metalloproteinases 1 and 2. These data elucidate DDR1 function pertinent to cirrhosis and indicate the importance of epithelial cell-collagen interactions in chronic liver injury.
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Affiliation(s)
- Sunmi Song
- Centenary Institute and the A.W. Morrow Gastroenterology and Liver Centre, Royal Prince Alfred Hospital and the Sydney Medical School, University of Sydney, New South Wales, Australia
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Identification of receptor tyrosine kinase, discoidin domain receptor 1 (DDR1), as a potential biomarker for serous ovarian cancer. Int J Mol Sci 2011; 12:971-82. [PMID: 21541037 PMCID: PMC3083684 DOI: 10.3390/ijms12020971] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2010] [Revised: 01/18/2011] [Accepted: 01/18/2011] [Indexed: 01/22/2023] Open
Abstract
Ovarian cancer, one of the most common gynecological malignancies, has an aggressive phenotype. It is necessary to develop novel and more effective treatment strategies against advanced disease. Protein tyrosine kinases (PTKs) play an important role in the signal transduction pathways involved in tumorigenesis, and represent potential targets for anticancer therapies. In this study, we performed cDNA subtraction following polymerase chain reaction (PCR) using degenerate oligonucleotide primers to identify specifically overexpressed PTKs in ovarian cancer. Three PTKs, janus kinase 1, insulin-like growth factor 1 receptor, and discoidin domain receptor 1 (DDR1), were identified and only DDR1 was overexpressed in all ovarian cancer tissues examined for the validation by quantitative real-time PCR. The DDR1 protein was expressed in 63% (42/67) of serous ovarian cancer tissue, whereas it was undetectable in normal ovarian surface epithelium. DDR1 was expressed significantly more frequently in high-grade (79%) and advanced stage (77%) tumors compared to low-grade (50%) and early stage (43%) tumors. The expression of the DDR1 protein significantly correlated with poor disease-free survival. Although its functional role and clinical utility remain to be examined in future studies, our results suggest that the expression of DDR1 may serve as both a potential biomarker and a molecular target for advanced ovarian cancer.
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25
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Implication of discoidin domain receptor 1 in T cell migration in three-dimensional collagen. Mol Immunol 2010; 47:1866-9. [DOI: 10.1016/j.molimm.2010.02.023] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2009] [Revised: 02/24/2010] [Accepted: 02/24/2010] [Indexed: 01/06/2023]
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26
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Eswaramoorthy R, Wang CK, Chen WC, Tang MJ, Ho ML, Hwang CC, Wang HM, Wang CZ. DDR1 regulates the stabilization of cell surface E-cadherin and E-cadherin-mediated cell aggregation. J Cell Physiol 2010; 224:387-97. [PMID: 20432435 DOI: 10.1002/jcp.22134] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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27
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Roig B, Franco-Pons N, Martorell L, Tomàs J, Vogel WF, Vilella E. Expression of the tyrosine kinase discoidin domain receptor 1 (DDR1) in human central nervous system myelin. Brain Res 2010; 1336:22-9. [PMID: 20380825 DOI: 10.1016/j.brainres.2010.03.099] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2010] [Revised: 03/26/2010] [Accepted: 03/29/2010] [Indexed: 12/11/2022]
Abstract
During development of the mouse brain, the protein kinase discoidin domain receptor 1 (DDR1) is present prenatally in neurons of the proliferative areas, and postnatally, DDR1 expression is no longer detected in neurons, but a spatial-temporal expression pattern in oligodendrocytes that overlaps with the dynamics of the myelination process is detected. Notably, oligodendrocytic DDR1 expression is upregulated in mice during experimentally induced remyelination. Recently, we demonstrated that DDR1 expression is high in human brain and that there is an association between the gene and schizophrenia in a case-control study. However, data regarding expression of DDR1 in the human brain are scarce. Here, we describe the expression pattern of DDR1 in the human adult cerebral cortex. Using several immunohistological techniques and in situ hybridization, we identified DDR1 in the following: a) myelin, b) capillary endothelial cells in the gray as well as white matter, and c) in the soma of some oligodendrocytes and astrocytes in the white matter. The most important overall finding in this study was that DDR1 is present in myelin and is expressed by oligodendrocyte cells. We detected the presence of DDR1 mRNA and protein in myelin and observed that DDR1 co-localized with the classical myelin basic protein (MBP). Moreover, we found a strong positive correlation between expression levels of DDR1 and two myelin-associated genes, myelin-associated glycoprotein (MAG) and oligodendrocyte transcription factor 2 (OLIG2). These observations suggest that DDR1 could be an important constituent of myelin. Because defects in myelination are linked to several mental disorders such as schizophrenia, the function of DDR1 in the process of myelination warrants further investigation.
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Affiliation(s)
- Bàrbara Roig
- Hospital Psiquiàtric Universitari Institut Pere Mata, IISPV, Universitat Rovira i Virgili, Reus, Spain
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Su J, Gorse K, Ramirez F, Fox MA. Collagen XIX is expressed by interneurons and contributes to the formation of hippocampal synapses. J Comp Neurol 2010; 518:229-53. [PMID: 19937713 DOI: 10.1002/cne.22228] [Citation(s) in RCA: 65] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Extracellular matrix (ECM) molecules contribute to the formation and maintenance of synapses in the mammalian nervous system. We previously discovered a family of nonfibrillar collagens that organize synaptic differentiation at the neuromuscular junction (NMJ). Although many NMJ-organizing cues contribute to central nervous system (CNS) synaptogenesis, whether similar roles for collagens exist at central synapses remained unclear. In the present study we discovered that col19a1, the gene encoding nonfibrillar collagen XIX, is expressed by subsets of hippocampal neurons. Colocalization with the interneuron-specific enzyme glutamate decarboxylase 67 (Gad67), but not other cell-type-specific markers, suggests that hippocampal expression of col19a1 is restricted to interneurons. However, not all hippocampal interneurons express col19a1 mRNA; subsets of neuropeptide Y (NPY)-, somatostatin (Som)-, and calbindin (Calb)-immunoreactive interneurons express col19a1, but those containing parvalbumin (Parv) or calretinin (Calr) do not. To assess whether collagen XIX is required for the normal formation of hippocampal synapses, we examined synaptic morphology and composition in targeted mouse mutants lacking collagen XIX. We show here that subsets of synaptotagmin 2 (Syt2)-containing hippocampal nerve terminals appear malformed in the absence of collagen XIX. The presence of Syt2 in inhibitory hippocampal synapses, the altered distribution of Gad67 in collagen XIX-deficient subiculum, and abnormal levels of gephyrin in collagen XIX-deficient hippocampal extracts all suggest inhibitory synapses are affected by the loss of collagen XIX. Together, these data not only reveal that collagen XIX is expressed by central neurons, but show for the first time that a nonfibrillar collagen is necessary for the formation of hippocampal synapses.
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Affiliation(s)
- Jianmin Su
- Department of Anatomy and Neurobiology, Virginia Commonwealth University, Richmond, Virginia 23298, USA
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29
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Wang CZ, Yeh YC, Tang MJ. DDR1/E-cadherin complex regulates the activation of DDR1 and cell spreading. Am J Physiol Cell Physiol 2009; 297:C419-29. [PMID: 19474292 DOI: 10.1152/ajpcell.00101.2009] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Discoidin domain receptors (DDRs) 1 and 2, collagen receptors, regulate cell adhesion and a broad range of cell behavior. Their adhesion-dependent regulation of signaling associated with adhesion proteins has not been elucidated. We report a novel mechanism: the cross talk of DDR1 and E-cadherin negatively and adhesion dependently regulated both DDR1 activity and DDR1-suppressed cell spreading. E-cadherin forms complexes with both DDR1 isoforms (a and b). E-cadherin regulates DDR1 activity associated with the cell-junction complexes formed between DDR1 and E-cadherin. These complexes are formed independently of DDR1 activation and of beta-catenin and p120-catenin binding to E-cadherin; they are ubiquitous in epithelial cells. Small interfering RNA-mediated gene silencing of E-cadherin restores both DDR1 activity and DDR1-suppressed cell spreading and increases the apically and basally located DDR1 in E-cadherin-null cells. We conclude that E-cadherin-mediated adhesions decrease DDR1 activity, which subsequently eliminates DDR1-suppressed cell spreading, by sequestering DDR1 to cell junctions, which prevents its contact with collagen ligand.
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Affiliation(s)
- Chau-Zen Wang
- Department of Physiology, Kaohsiung Medical University, Kaohsiung, Taiwan
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30
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Yeh YC, Wang CZ, Tang MJ. Discoidin domain receptor 1 activation suppresses α2β1integrin-dependent cell spreading through inhibition of Cdc42 activity. J Cell Physiol 2009; 218:146-56. [DOI: 10.1002/jcp.21578] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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31
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Franco-Pons N, Tomàs J, Roig B, Auladell C, Martorell L, Vilella E. Discoidin domain receptor 1, a tyrosine kinase receptor, is upregulated in an experimental model of remyelination and during oligodendrocyte differentiation in vitro. J Mol Neurosci 2008; 38:2-11. [PMID: 18836851 DOI: 10.1007/s12031-008-9151-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2008] [Accepted: 09/16/2008] [Indexed: 12/23/2022]
Abstract
The discoidin domain receptor (DDR1) is highly expressed in oligodendrocytes during the neurodevelopmental myelination process and is genetically associated to schizophrenia. In this study, we aimed to further assess the involvement of DDR1 in both remyelination and oligodendrocyte differentiation. In the mouse model of demyelination-remyelination induced by oral administration of cuprizone, in situ hybridization showed an upregulation of the DDR1 gene in three different white matter areas (corpus callosum, dorsal fornix, and external capsule) during the remyelination period. Moreover, real time reverse transcriptase polymerase chain reaction showed that the increase in DDR1 messenger RNA (mRNA) was strongly correlated with the number of DDR1-positive cells in the corpus callosum (Spearman coefficient = 0.987, P = 0.013). Cells positive for DDR1 mRNA were also positive for oligodendrocyte markers (OLIG2, carnosine, and APC) but not for markers of oligodendrocyte precursors (NG2), myelin markers (CNPase), microglia (CD11b), or reactive glia (GFAP). Differentiation of a human oligodendroglial cell line, HOG16, was associated with an increase in mRNA expression of DDR1 and several myelin proteins (MBP and MOBP) but not other proteins (APC and CNPase). Here, we demonstrate that DDR1 is upregulated in vitro and in vivo when oligodendrocyte myelinating machinery is activated. Further studies are needed to identify the specific molecular pathway.
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Affiliation(s)
- Neus Franco-Pons
- Unitat de Psiquiatria i Psicologia Mèdica, Facultat de Medicina i Ciències de la Salut, Universitat Rovira i Virgili, C/Sant Llorenç 21, 43201, Reus, Spain
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32
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Seo MC, Kim S, Kim SH, Zheng LT, Park EK, Lee WH, Suk K. Discoidin domain receptor 1 mediates collagen-induced inflammatory activation of microglia in culture. J Neurosci Res 2008; 86:1087-95. [DOI: 10.1002/jnr.21552] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Hourani M, Berretta R, Mendes A, Moscato P. Genetic signatures for a rodent model of Parkinson's disease using combinatorial optimization methods. Methods Mol Biol 2008; 453:379-392. [PMID: 18712315 DOI: 10.1007/978-1-60327-429-6_20] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
This chapter illustrates the use of the combinatorial optimization models presented in Chapter 19 for the Feature Set selection and Gene Ordering problems to find genetic signatures for diseases using micro-array data. We demonstrate the quality of this approach by using a microarray dataset from a mouse model of Parkinson's disease. The results are accompanied by a description of the currently known molecular functions and biological processes of the genes in the signatures.
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Affiliation(s)
- Mou'ath Hourani
- Newcastle Bioinformatics Initiative, School of Electrical Engineering and Computer Science, The University of Newcastle, Callaghan, New South Wales, Australia
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Das S, Ongusaha PP, Yang YS, Park JM, Aaronson SA, Lee SW. Discoidin domain receptor 1 receptor tyrosine kinase induces cyclooxygenase-2 and promotes chemoresistance through nuclear factor-kappaB pathway activation. Cancer Res 2007; 66:8123-30. [PMID: 16912190 DOI: 10.1158/0008-5472.can-06-1215] [Citation(s) in RCA: 75] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Discoidin domain receptor 1 (DDR1) is a receptor tyrosine kinase activated by various types of collagens and is known to play a role in cell attachment, migration, survival, and proliferation. However, little is known about the molecular mechanism(s) underlying the role of DDR1 in cancer. We report here that DDR1 induces cyclooxygenase-2 (Cox-2) expression resulting in enhanced chemoresistance. Depletion of DDR1-mediated Cox-2 induction using short hairpin RNA (shRNA) results in increased chemosensitivity. We also show that DDR1 activates the nuclear factor-kappaB (NF-kappaB) pathway and blocking this activation by an I kappaB superrepressor mutant results in the ablation of DDR1-induced Cox-2, leading to enhanced chemosensitivity, indicating that DDR1-mediated Cox-2 induction is NF-kappaB dependent. We identify the upstream activating kinases of the NF-kappaB pathway, IKK beta and IKK gamma, as essential for DDR1-mediated NF-kappaB activation, whereas IKK alpha seems to be dispensable. Finally, shRNA-mediated inhibition of DDR1 expression significantly enhanced chemosensitivity to genotoxic drugs in breast cancer cells. Thus, DDR1 signaling provides a novel target for therapeutic intervention with the prosurvival/antiapoptotic machinery of tumor cells.
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Affiliation(s)
- Sanjeev Das
- Cutaneous Biology Research Center, Massachusetts General Hospital and Harvard Medical School, Charlestown, MA 02129, USA
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35
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Roig B, Virgos C, Franco N, Martorell L, Valero J, Costas J, Carracedo A, Labad A, Vilella E. The discoidin domain receptor 1 as a novel susceptibility gene for schizophrenia. Mol Psychiatry 2007; 12:833-41. [PMID: 17440435 DOI: 10.1038/sj.mp.4001995] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Evidence suggests that myelin alterations could predispose to schizophrenia. Reduced expression of several myelin genes has been observed in schizophrenia patients. Recently, we identified the discoidin domain receptor 1 (DDR1; located at human chromosome 6p21.3) as a myelin gene in the mouse model and in a human oligodendroglial cell line. In the present study we screened for single nucleotide polymorphisms (SNPs) in the DNA from 100 schizophrenia patients. We identified a novel mutation within exon 10 that produces the amino-acid substitution N502S in the a-d isoforms, and M475V in the e isoform. However the frequency of the mutation (2%) was similar in schizophrenia patients and in control subjects. In a case-control assessment with 389 schizophrenic patients and 615 controls, we identified one SNP (SNP9, rs1049623) associated with schizophrenia (odds ratio=1.44, 95% confidence interval: 1.15-1.79, adjusted P=0.0016). This association was confirmed in haplotype analysis; the SNPs 9-10-11 (rs1049623, rs2267641 and rs2239518) haplotype remaining significant even after adjustment for multiple testing (adjusted P=0.0136). Of note was a strong gender dependence in the association, that is, statistical significance restricted to men (adjusted P-value=0.0002). Regression analysis of DDR1 mRNA expression in peripheral blood lymphocytes from schizophrenia patients showed that the presence of the G allele significantly decreased the relative number of mRNA copies in a dose-dependent manner (P=0.003). These data suggest that the risk haplotype tags a cis-acting variant involved in the transcription regulation system of the gene. In conclusion, we propose the DDR1 as a new susceptibility gene for schizophrenia.
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Affiliation(s)
- B Roig
- Ctra. de l'Institut Pere Mata s/n, University Psychiatric Hospital, Pere Mata Institute, Reus, Tarragona, Spain
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36
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Heck N, Garwood J, Dobbertin A, Calco V, Sirko S, Mittmann T, Eysel UT, Faissner A. Evidence for distinct leptomeningeal cell-dependent paracrine and EGF-linked autocrine regulatory pathways for suppression of fibrillar collagens in astrocytes. Mol Cell Neurosci 2007; 36:71-85. [PMID: 17689979 DOI: 10.1016/j.mcn.2007.06.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2007] [Revised: 06/04/2007] [Accepted: 06/08/2007] [Indexed: 11/27/2022] Open
Abstract
A unique and unresolved property of the central nervous system is that its extracellular matrix lacks fibrillar elements. In the present report, we show that astrocytes secrete triple helices of fibrillar collagens type I, III and V in culture, while no astroglial collagen expression could be detected in vivo. We discovered two inhibitory mechanisms that could underlie this apparent discrepancy. Thus, we uncover a strong inhibitory effect of meningeal cells on astrocytic collagen expression in coculture assays. Furthermore, we present evidence that EGF-receptor activation downregulates collagen expression in astrocytes via an autocrine loop. These investigations provide a rational framework to explain why the brain is devoid of collagen fibers, which is a unique feature that characterizes the structure of the neural extracellular matrix. Moreover, fibrillar collagens were found transiently upregulated in a laser-induced cortical lesion, suggesting that these could contribute to the glial scar that inhibits axonal regeneration.
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Affiliation(s)
- Nicolas Heck
- Centre de Neurochimie, CNRS, 67084, Strasbourg Cedex, France
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37
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Kim SH, Lee S, Suk K, Bark H, Jun CD, Kim DK, Choi CH, Yoshimura T. Discoidin domain receptor 1 mediates collagen-induced nitric oxide production in J774A.1 murine macrophages. Free Radic Biol Med 2007; 42:343-52. [PMID: 17210447 DOI: 10.1016/j.freeradbiomed.2006.10.052] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2006] [Revised: 09/08/2006] [Accepted: 10/28/2006] [Indexed: 11/19/2022]
Abstract
Nitric oxide (NO) is an important regulator of immune responses. Effects of cytokines, such as tumor necrosis factor (TNF)-alpha or IFN-gamma, and bacterial products, such as lipopolysaccharide, on macrophage NO production have been well documented; however, the role of the extracellular matrix proteins, including collagen, in this process remains unclear. We previously reported that discoidin domain receptor 1 (DDR1), a nonintegrin collagen receptor, was expressed in human macrophages, and its activation facilitated their differentiation as well as cytokine/chemokine production. Here, we examined the role for DDR1 in collagen-induced NO production using the murine macrophage cell line J774 cells that endogenously express DDR1. Activation of J774 cells with collagen induced the expression of inducible NO synthase (iNOS) and NO production. Inhibition of DDR1, but not beta1-integrins, abolished collagen-induced iNOS and NO production. Activation of J774 cells with collagen-activated nuclear factor-kappaB, p38 mitogen-activated protein kinase (MAPK), and c-jun N-terminal kinase (JNK) and a pharmacological inhibitor of each signaling molecule significantly reduced collagen-induced NO production. Thus, we have demonstrated, for the first time, that the interaction of DDR1 with collagen induces iNOS expression and subsequent NO synthesis in J774 cells through activation of NF-kappaB, p38 MAPK, and JNK and suggest that intervention of DDR1 signaling in macrophages may be useful in controlling inflammatory diseases in which NO plays a critical role.
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Affiliation(s)
- Sang-Hyun Kim
- Department of Pharmacology, School of Medicine, Kyungpook National University, Daegu 700-422, Korea.
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38
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Sossin WS. Tracing the evolution and function of the Trk superfamily of receptor tyrosine kinases. BRAIN, BEHAVIOR AND EVOLUTION 2006; 68:145-56. [PMID: 16912468 DOI: 10.1159/000094084] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Most growth factors and their receptors have been strongly conserved during evolution. In contrast, Trks (Tropomyosin-related kinases) and related receptors in the Trk superfamily, Rors (receptor tyrosine kinase-like orphan receptors), Musks (muscle specific kinases) and Ddrs (discoidin domain receptor family), appear to be ancient, but their function has been lost in multiple lineages and the roles for the receptors have been modified over time. We will trace the evolution of the Trk superfamily and discuss possible conserved functional roles, including a unifying theme of target recognition by growing axons. We present an analogy between the evolution of G-protein-coupled receptors and receptor tyrosine kinases (RTKs), proposing that an important driving force for the divergence of receptors is the ease of divergence of their ligands.
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Affiliation(s)
- Wayne S Sossin
- Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, Canada.
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39
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Schneider VA, Granato M. The myotomal diwanka (lh3) glycosyltransferase and type XVIII collagen are critical for motor growth cone migration. Neuron 2006; 50:683-95. [PMID: 16731508 DOI: 10.1016/j.neuron.2006.04.024] [Citation(s) in RCA: 70] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2005] [Revised: 03/19/2006] [Accepted: 04/13/2006] [Indexed: 10/24/2022]
Abstract
The initial migration of motor growth cones from the spinal cord into the periphery requires extrinsic cues, yet their identities are largely unknown. In zebrafish diwanka mutants, motor growth cones are motile but fail to pioneer into the periphery. Here, we report on the positional cloning of diwanka and show that it encodes LH3, a myotomally expressed multifunctional enzyme with lysyl hydroxylase and glycosyltransferase domains. Cloning, expression analysis, and ubiquitous overexpression of other LH family members reveals that only diwanka (lh3) possesses a critical role in growth cone migration. We show that this unique role depends critically on the LH3 glycosyltransferase domain, and provide compelling evidence that diwanka (lh3) acts through myotomal type XVIII collagen, a ligand for neural-receptor protein tyrosine phosphatases that guide motor axons. Together, our results provide the first genetic evidence that glycosyltransferase modifications of the ECM play a critical role during vertebrate motor axon migration.
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MESH Headings
- Animals
- Cell Movement/physiology
- Cloning, Molecular
- Collagen Type XVIII/metabolism
- Collagen Type XVIII/physiology
- Embryo, Nonmammalian/cytology
- Embryo, Nonmammalian/enzymology
- Extracellular Matrix/enzymology
- Gene Expression Regulation, Developmental
- Gene Expression Regulation, Enzymologic
- Glycosyltransferases/chemistry
- Glycosyltransferases/genetics
- Glycosyltransferases/physiology
- Growth Cones/enzymology
- Growth Cones/ultrastructure
- HeLa Cells
- Humans
- Microscopy, Electron
- Molecular Sequence Data
- Motor Neurons/enzymology
- Motor Neurons/ultrastructure
- Procollagen-Lysine, 2-Oxoglutarate 5-Dioxygenase/chemistry
- Procollagen-Lysine, 2-Oxoglutarate 5-Dioxygenase/genetics
- Procollagen-Lysine, 2-Oxoglutarate 5-Dioxygenase/physiology
- Protein Structure, Tertiary
- Zebrafish
- Zebrafish Proteins/chemistry
- Zebrafish Proteins/genetics
- Zebrafish Proteins/physiology
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Affiliation(s)
- Valerie A Schneider
- Department of Cell and Developmental Biology, University of Pennsylvania School of Medicine, Philadelphia, 19104, USA
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Ram R, Lorente G, Nikolich K, Urfer R, Foehr E, Nagavarapu U. Discoidin domain receptor-1a (DDR1a) promotes glioma cell invasion and adhesion in association with matrix metalloproteinase-2. J Neurooncol 2006; 76:239-48. [PMID: 16234985 DOI: 10.1007/s11060-005-6874-1] [Citation(s) in RCA: 89] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Invasion of glioma cells involves the attachment of invading tumor cells to extracellular matrix (ECM), disruption of ECM components, and subsequent cell penetration into adjacent brain structures. Discoidin domain receptor 1 (DDR1) tyrosine kinases constitute a novel family of receptors characterized by a unique structure in the ectodomain (discoidin-I domain). These cell surface receptors bind to several collagens and facilitate cell adhesion. Little is known about DDR1 expression and function in glioblastoma multiforme. In this study we demonstrate that DDR1 is overexpressed in glioma tissues using cDNA arrays, immunohistochemistry and Western blot analysis. Functional comparison of two splice variants of DDR1 (DDR1a and DDR1b) reveal novel differences in cell based glioma models. Overexpression of either DDR1a or DDR1b caused increased cell attachment. However, glioma cells overexpressing DDR1a display enhanced invasion and migration. We also detect increased levels of matrix metalloproteinase-2 in DDR1a overexpressing cells as measured by zymography. Inhibition of MMP activity using MMP inhibitor suppressed DDR1a stimulated cell-invasion. Similarly, an antibody against DDR1 reduced DDR1a mediated invasion as well as the enhanced adhesion of DDR1a and DDR1b overexpressing cells. These results suggest that DDR1a plays a critical role in inducing tumor cell adhesion and invasion, and this invasive phenotype is caused by activation of matrix metalloproteinase-2.
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Affiliation(s)
- Rosalyn Ram
- AGY Therapeutics, Inc., 270 East Grand Avenue, South San Francisco, CA 94080, USA
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41
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Slack BE, Siniaia MS, Blusztajn JK. Collagen type I selectively activates ectodomain shedding of the discoidin domain receptor 1: involvement of Src tyrosine kinase. J Cell Biochem 2006; 98:672-84. [PMID: 16440311 PMCID: PMC2593136 DOI: 10.1002/jcb.20812] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The discoidin domain receptor 1 (DDR1) is a receptor tyrosine kinase that is highly expressed in breast carcinoma cells. Upon binding to collagen, DDR1 undergoes autophosphorylation followed by limited proteolysis to generate a tyrosine phosphorylated C-terminal fragment (CTF). Although it was postulated that this fragment is formed as a result of shedding of the N-terminal ectodomain, collagen-dependent release of the DDR1 extracellular domain has not been demonstrated. We now report that, in conjunction with CTF formation, collagen type I stimulates concentration-dependent, saturable shedding of the DDR1 ectodomain from two carcinoma cell lines, and from transfected cells. In contrast, collagen did not promote cleavage of other transmembrane proteins including the amyloid precursor protein (APP), ErbB2, and E-cadherin. Collagen-dependent tyrosine phosphorylation and proteolysis of DDR1 in carcinoma cells were reduced by a pharmacologic Src inhibitor. Moreover, expression of a dominant negative Src mutant protein in human embryonic kidney cells inhibited collagen-dependent phosphorylation and shedding of co-transfected DDR1. The hydroxamate-based metalloproteinase inhibitor TAPI-1 (tumor necrosis factor-alpha protease inhibitor-1), and tissue inhibitor of metalloproteinase (TIMP)-3, also blocked collagen-evoked DDR1 shedding, but did not reduce levels of the phosphorylated CTF. Neither shedding nor CTF formation were affected by the gamma-secretase inhibitor, L-685,458. The results demonstrate that collagen-evoked ectodomain cleavage of DDR1 is mediated in part by Src-dependent activation or recruitment of a matrix- or disintegrin metalloproteinase, and that CTF formation can occur independently of ectodomain shedding. Delayed shedding of the DDR1 ectodomain may represent a mechanism that limits DDR1-dependent cell adhesion and migration on collagen matrices.
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Affiliation(s)
- Barbara E Slack
- Department of Pathology and Laboratory Medicine, Boston University School of Medicine, Boston, Massachusetts 02118, USA.
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Vogel WF, Abdulhussein R, Ford CE. Sensing extracellular matrix: an update on discoidin domain receptor function. Cell Signal 2006; 18:1108-16. [PMID: 16626936 DOI: 10.1016/j.cellsig.2006.02.012] [Citation(s) in RCA: 257] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2006] [Accepted: 02/20/2006] [Indexed: 02/06/2023]
Abstract
Discoidin Domain Receptors (DDRs) have recently emerged as non-integrin-type receptors for collagen. The two mammalian gene products Discoidin Domain Receptor 1 and -2 constitute a subfamily of tyrosine kinase receptors that are selectively expressed in a number of different cell types and organs. Upon collagen activation, DDRs regulate cell adhesion, proliferation and extracellular matrix remodeling. Here we review the various signaling pathways and cellular responses evoked by activated DDRs. Additionally, we give an overview of the more recent advances in understanding the role of DDRs in various human diseases, in particular during tumor progression, atherosclerosis, inflammation and tissue fibrosis. Furthermore, we discuss potential roles of genes homologous to mammalian DDRs identified in flies, worms and sponges. We show that the structural organization of these DDR-related genes is highly conserved throughout evolution suggesting that invertebrate DDRs may also function as receptors for collagen. By highlighting current questions about these unusual collagen receptors, we hope to attract new research on DDRs from a variety of different fields.
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Affiliation(s)
- Wolfgang F Vogel
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario Canada, M5S 1A8.
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Yoshimura T, Matsuyama W, Kamohara H. Discoidin domain receptor 1: a new class of receptor regulating leukocyte-collagen interaction. Immunol Res 2006. [PMID: 15888913 DOI: 10.1385/ir: 31: 3: 219] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Previous studies demonstrated that type I collagen, a major component of the extracellular matrix, could influence the differentiation and function of leukocytes; however, it is not clear whether those effects of collagen were based on its interaction with the classic collagen receptors, alpha1beta1 and alpha2beta1 integrins. We recently detected significant upregulation of discoidin domain receptor 1 (DDR1), a new class of collagen receptor, in human leukocytes, including neutrophils, monocytes, and lymphocytes, in vitro, leading to the hypothesis that the leukocyte-activating effects of collagen might be owing to its interaction with DDR1. In this review, we summarize our recent findings demonstrating that DDR1-collagen interaction facilitates the adhesion, migration, differentiation/maturation, and cytokine/chemokine production of leukocytes. We also describe the intracellular signaling pathways activated by DDR1 interaction with collagen.
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Affiliation(s)
- Teizo Yoshimura
- Laboratory of Molecular Immunoregulation, Center for Cancer Research, National Cancer Institute at Frederick, Frederick, MD 21702, USA.
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Franco-Pons N, Virgos C, Vogel WF, Ureña JM, Soriano E, del Rio JA, Vilella E. Expression of discoidin domain receptor 1 during mouse brain development follows the progress of myelination. Neuroscience 2006; 140:463-75. [PMID: 16603319 DOI: 10.1016/j.neuroscience.2006.02.033] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2005] [Revised: 02/06/2006] [Accepted: 02/10/2006] [Indexed: 11/27/2022]
Abstract
Discoidin domain receptor 1 is a tyrosine kinase receptor expressed in a variety of tissues including the brain. This study describes mRNA and protein expression of discoidin domain receptor 1 in mouse brain during development and provides new insights into its role during gliogenesis and neurogenesis. We performed in situ hybridization for discoidin domain receptor 1 in mouse brains at embryonic day 18, postnatal days 5, 9, 15, 21 and adulthood and observed a diffuse pattern in the proliferative areas during embryogenesis. From postnatal day 5 onwards, a defined cellular expression pattern of discoidin domain receptor 1 was observed, mainly located in white matter tracts and following a spatio-temporal pattern that overlapped the progress of myelination. Next, we performed double-labeling reactions (in situ hybridization followed by immunohistochemistry) that confirmed that discoidin domain receptor 1 was expressed by mature oligodendrocytes. We observed that cells positive for discoidin domain receptor 1 also expressed carnosine and anti-adenomatous polyposis coli, two mature oligodendrocyte markers. Based on the localization of discoidin domain receptor 1 specifically in the white matter fiber tracts during postnatal development, we suggest that discoidin domain receptor 1 participates in the development and maintenance of the myelin sheath.
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Affiliation(s)
- N Franco-Pons
- Unitat de Psiquiatria i Psicologia Mèdica, Facultat de Medicina i Ciències de la Salut, Universitat Rovira i Virgili, and Departament de Formació i Investigació, Hospital Psiquiàtric Universitari Institut Pere Mata, Reus, Spain
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Andersson KB, Florholmen G, Winer LH, Tønnessen T, Christensen G. Regulation of neuronal type genes in congestive heart failure rats. Acta Physiol (Oxf) 2006; 186:17-27. [PMID: 16497176 DOI: 10.1111/j.1748-1716.2005.01503.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
AIM After myocardial infarction (MI), complex changes in the heart occur during progression into congestive heart failure (CHF). This study sought to identify regulated genes that could have a functional role in some of the changes seen in CHF. METHODS Myocardial infarction was induced by ligation of the left anterior descending coronary artery (LAD) in Wistar rats. Gene expression changes in 1- and 7-day MI left ventricular myocardium was analysed using complementary DNA (cDNA) filter arrays. Regulated genes were identified by repeated measurements and a ranked ratio analysis method. RESULTS A total of 135 genes were identified as differentially expressed. A few genes were robustly regulated at 1-day MI. In 7-day CHF hearts, changes in the expression of neuronal type genes was prominent (32%, n = 28). Eleven of these genes with no described association with CHF were selected for validation. One gene failed the validation. In CHF hearts, the expression of the muscarinic m4 (Chrm4) and nicotinic alpha4 (Chrna4) acetylcholin receptors, the ATP receptor P2rx4, nerve growth factor receptor (Ngfr), discoidin domain receptor 1 (Ddr1), neuronal pentraxin receptor (Nptxr), peripheral myelin protein Pmp-22, leukocyte type 12-lipoxygenase (Alox15), cytochrome P450 4F5 (Cyp4F5) and cardiac Kcne1 were all increased (range 1.6-6.0-fold, P < 0.01 for all genes). The lack of significant regulation of these genes at 1-day post-MI, suggests that the induction of these genes at 7-day post-MI is not a short-term response induced by the infarct itself. CONCLUSION These neuronal type genes may participate in underlying processes that affect contractility, intracardiac nerve function and development of arrhythmias in CHF hearts.
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Affiliation(s)
- K B Andersson
- Institute for Experimental Medical Research, Ullevaal University Hospital, Oslo, Norway.
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Krizhanovsky V, Ben-Arie N. A novel role for the choroid plexus in BMP-mediated inhibition of differentiation of cerebellar neural progenitors. Mech Dev 2005; 123:67-75. [PMID: 16325379 DOI: 10.1016/j.mod.2005.09.005] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2005] [Revised: 09/18/2005] [Accepted: 09/26/2005] [Indexed: 10/25/2022]
Abstract
Cerebellar granule cells, the most abundant neurons in the mammalian brain, arise in the rhombic lip located at the roof of the brain's fourth ventricle. Bordering the rhombic lip is the choroid plexus, a non-neuronal structure, composed of blood vessels enveloped by epithelial cells. Here, we show a striking decrease in neural differentiation of rhombic lip-derived cells, which failed to extend neuritic processes and attenuate Math1 promoter activity, when co-cultured with choroid plexus cells. Moreover, a blocking antibody against BMP7, a morphogenetic protein expressed in the choroid plexus, blocked the inhibitory effect of the choroid plexus, whereas purified BMP7 mimicked this effect, demonstrating causal involvement of BMP. On the other hand, the BMP antagonist NBL1 promoted neurogenesis in rhombic lip cultures from Math1 null mice displaying arrested differentiation. Our data indicate that besides its secretory and barrier functions, the choroid plexus has a novel role in attenuating the differentiation of adjacent neural progenitors.
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Affiliation(s)
- Valery Krizhanovsky
- Department of Cell and Animal Biology, Institute of Life Sciences, Hebrew University of Jerusalem, Jerusalem 91904, Israel
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Wang CZ, Hsu YM, Tang MJ. Function of discoidin domain receptor I in HGF-induced branching tubulogenesis of MDCK cells in collagen gel. J Cell Physiol 2005; 203:295-304. [PMID: 15468059 DOI: 10.1002/jcp.20227] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Discoidin domain receptor I (DDR1) is a receptor tyrosine kinase (RTK) and serves as the receptor for collagen in addition to integrins. It has been well established that Madin-Darby canine kidney (MDCK) cells develop branching tubules in three-dimensional collagen gel in the presence of hepatocyte growth factor (HGF). MDCK cells normally express DDR1. However, the function of DDR1 in this in vitro model system has not been understood. We established stable-transfected MDCK cells harboring DDR1a, DDR1b, or dominant-negative (DN) DDR1 and cultured these transfectants in collagen gel with HGF (2 ng/ml) for the studies of branching tubule morphogenesis. Whether DDR1 played roles in cell growth, apoptosis, and migration was examined. We found that cells over-expressing DDR1a and DDR1b developed shorter tubules with fewer branches in collagen gel. In contrast, DN DDR1 over-expressed cells could not form tubule structure, but instead developed mostly cell aggregates with multiple long extended processes. Over-expression of DDR1a and 1b in MDCK cells resulted in reduction of cell growth when cells were cultured on collagen gel-coated dishes or collagen gel. On the other hand, DN DDR1 enhanced cell death on collagen gel, suggesting that DDR1 is involved in maintenance of cell survival. Moreover, over-expression of DDR1a and DDR1b markedly reduced collagen-induced migration capability, whereas DN DDR1 enhanced it, suggesting that DDR1a and 1b may serve as a negative regulator for alpha2beta1 integrin during migration on collagen substratum. These results indicate that DDR1 plays important role in regulation of HGF-induced branching tubulogenesis by modulating cell proliferation, survival, and cell migration.
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Affiliation(s)
- Chau-Zen Wang
- Institute of Basic Medical Sciences, and Department of Physiology, National Cheng-Kung University Medical College, Tainan, Taiwan
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Böcklinger K, Tomaselli B, Heftberger V, Podhraski V, Bandtlow C, Baier-Bitterlich G. Purine nucleosides support the neurite outgrowth of primary rat cerebellar granule cells after hypoxia. Eur J Cell Biol 2004; 83:51-4. [PMID: 15146976 DOI: 10.1078/0171-9335-00362] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Mammalian neurons require a constant supply of oxygen to maintain adequate cellular functions and survival. Following sustained hypoxia during ischemic events in brain, the energy status of neurons and glia is compromised, which may subsequently lead to cell death by apoptosis and necrosis. Concomitant with energy depletion is the formation of the purine nucleoside adenosine, a powerful endogenous neuroprotectant. In this paper the effect of chemical hypoxia on cell survival and neurite outgrowth of primary cerebellar granule cells was investigated. Rotenone, a mitochondrial complex I inhibitor, induced a 30.4 +/- 3.6% loss of viable cells and a 35.0 +/- 4.4% loss of neurite formation of cerebellar granule cells, which was partially restored by the addition of purine nucleosides adenosine, inosine and guanosine. Inosine had the most striking effect of 37.7 +/- 2.9% rescue of viability and 71.2 +/- 18.4% rescue of neurite outgrowth. Data confirm the suggested role of purine nucleosides for the neuronal regeneration of primary brain cells following hypoxic insult.
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Affiliation(s)
- Karl Böcklinger
- Institute for Medical Chemistry and Biochemistry, Department of Neurobiochemistry, University of Innsbruck, Fritz Pregl Str. 3, A-6020 Innsbruck, Austria
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Lee R, Eidman KE, Kren SM, Hostetter TH, Segal Y. Localization of Discoidin Domain Receptors in Rat Kidney. ACTA ACUST UNITED AC 2004; 97:e62-70. [PMID: 15218324 DOI: 10.1159/000078407] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2003] [Accepted: 12/10/2003] [Indexed: 11/19/2022]
Abstract
BACKGROUND/AIM The discoidin domain receptors (DDRs) DDR1 and DDR2 are cardinal members of a receptor tyrosine kinase subfamily, activated by collagens. They are candidate effectors in tissue injury and fibrosis. We investigated the DDR expression in normal and remnant rat kidneys. METHODS The DDR expression in kidney and other tissues was examined by indirect immunofluorescence, immunoblotting, and ribonuclease protection assays. The expression patterns in remnant and control kidneys were compared at 2-, 4-, and 8-week time points, following induction of injury. RESULTS DDR1 is expressed in basolateral membranes of select nephron segments, from the connecting tubule to the renal papilla. DDR2 is expressed in apical membranes of select nephron segments, from the loop of Henle to the macula densa. The DDR1 protein expression is upregulated within the glomeruli of remnant kidneys. The distribution of DDR2 in remnant kidneys is similar to that in controls. The DDR mRNA levels in remnant and control kidneys were not significantly different, at any time point. CONCLUSIONS The DDR1 localization in the rat kidney is consistent with roles in cell-matrix interactions. Upregulation within glomeruli of remnant kidneys suggests the possibility of additional roles in kidney injury. The DDR2 localization in adult rat kidneys is inconsistent with roles in cell-matrix interactions.
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Affiliation(s)
- Rutha Lee
- Division of Renal Diseases and Hypertension, Department of Medicine, University of Minnesota, Minneapolis, Minn., USA
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Blaess S, Graus-Porta D, Belvindrah R, Radakovits R, Pons S, Littlewood-Evans A, Senften M, Guo H, Li Y, Miner JH, Reichardt LF, Müller U. Beta1-integrins are critical for cerebellar granule cell precursor proliferation. J Neurosci 2004; 24:3402-12. [PMID: 15056720 PMCID: PMC2693074 DOI: 10.1523/jneurosci.5241-03.2004] [Citation(s) in RCA: 101] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
We have previously shown that mice with a CNS restricted knock-out of the integrin beta1 subunit gene (Itgb1-CNSko mice) have defects in the formation of lamina and folia in the cerebral and cerebellar cortices that are caused by disruption of the cortical marginal zones. Cortical structures in postnatal and adult Itgb1-CNSko animals are also reduced in size, but the mechanism that causes the size defect has remained unclear. We now demonstrate that proliferation of granule cell precursors (GCPs) is severely affected in the developing cerebellum of Itgb1-CNSko mice. In the absence of beta1 expression, GCPs lose contact with laminin in the meningeal basement membrane, cease proliferating, and differentiate prematurely. In vitro studies provide evidence that beta1 integrins act at least in part cell autonomously in GCPs to regulate their proliferation. Previous studies have shown that sonic hedgehog (Shh)-induced GCP proliferation is potentiated by the integrin ligand laminin. We show that Shh directly binds to laminin and that laminin-Shh induced cell proliferation is dependent on beta1 integrin expression in GCPs. Taken together, these data are consistent with a model in which beta1 integrin expression in GCPs is required to recruit a laminin-Shh complex to the surface of GCPs and to subsequently modulate the activity of signaling pathways that regulate proliferation.
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Affiliation(s)
- Sandra Blaess
- Howard Hughes Medical Institute and Developmental Genetics Program, Skirball Institute of Biomolecular Medicine, New York University School of Medicine, New York, New York 10016, USA
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