Research Topics
Genomes and Genes
| Christer BetsholtzSummaryCountry: Sweden Publications
| Collaborators
|
Detail Information
Publications
Lack of pericytes leads to endothelial hyperplasia and abnormal vascular morphogenesisM Hellstrom
Department of Medical Biochemistry, Goteborg University, SE 405 30 Goteborg, Sweden
J Cell Biol 153:543-53. 2001....
Role of PDGF-B and PDGFR-beta in recruitment of vascular smooth muscle cells and pericytes during embryonic blood vessel formation in the mouseM Hellstrom
Department of Medical Biochemistry, Goteborg University, Box 440, SE 405 30 Goteborg, Sweden
Development 126:3047-55. 1999..Subsequent angiogenic sprouting and vessel enlargement involves PDGF-B-dependent vSMC/PC progenitor co-migration and proliferation, and/or PDGF-B-independent new induction of vSMC/PC, depending on tissue context...
Developmental roles of platelet-derived growth factorsC Betsholtz
Department of Medical Biochemistry, University of Goteborg, Sweden
Bioessays 23:494-507. 2001..This suggests that ancestral PDGF and PDGFR expression patterns and functions may have been iterated in related sets of morphogenetic processes in the course of evolution...
Insight into the physiological functions of PDGF through genetic studies in miceChrister Betsholtz
Department of Medical Biochemistry, University of Goteborg, P O Box 440, SE 405 30 Goteborg, Sweden
Cytokine Growth Factor Rev 15:215-28. 2004..The present review summarizes these findings and discusses their implications for mammalian development and disease...
Biology of platelet-derived growth factors in developmentChrister Betsholtz
Department of Medical Biochemistry, University of Goteborg, Sweden
Birth Defects Res C Embryo Today 69:272-85. 2003....
Role of platelet-derived growth factor in mesangium development and vasculopathies: lessons from platelet-derived growth factor and platelet-derived growth factor receptor mutations in miceChrister Betsholtz
Department of Medical Biochemistry, University of Goteborg, Sweden
Curr Opin Nephrol Hypertens 13:45-52. 2004....
Endothelial PDGF-B retention is required for proper investment of pericytes in the microvessel wallPer Lindblom
Department of Medical Biochemistry, Goteborg University, Göteborg SE 405 30, Sweden
Genes Dev 17:1835-40. 2003..We conclude that retention of PDGF-B in microvessels is essential for proper recruitment and organization of pericytes and for renal and retinal function in adult mice...
Endothelium-specific ablation of PDGFB leads to pericyte loss and glomerular, cardiac and placental abnormalitiesMattias Bjarnegard
Department of Medical Biochemistry, Goteborg University, PO Box 440, SE 405 30 Goteborg, Sweden
Development 131:1847-57. 2004..This spectrum of pathological changes is reminiscent of diabetic microangiopathy, suggesting that the endothelium-restricted Pdgfb knockouts may serve as models for some of the pathogenic events of vascular complications to diabetes...
Endothelial and nonendothelial sources of PDGF-B regulate pericyte recruitment and influence vascular pattern formation in tumorsAlexandra Abramsson
Department of Medical Biochemistry, Sahlgrenska Academy at Göteberg University, Goteborg, Sweden
J Clin Invest 112:1142-51. 2003..Our data support the notion that pericytes serve an important function in tumor vessels and highlight PDGF-B and PDGF-Rbeta as promising molecular targets for therapeutic intervention...
Neuropilin-1 is required for endothelial tip cell guidance in the developing central nervous systemHolger Gerhardt
Department of Medical Biochemistry, University of Goteborg, Medicinaregatan 9A, Box 440, SE 405 30 Goteborg, Sweden
Dev Dyn 231:503-9. 2004..These observations suggest that Nrp-1 plays an important role in allowing the endothelial tip cell filopodia to switch substrate and protrude in a new direction at a specific location in the developing brain...
Platelet-derived growth factor B retention is essential for development of normal structure and function of conduit vessels and capillariesHenrik C Nystrom
Institute of Physiology and Pharmacology, Department of Physiology, Goteborg University, and RCEM and Wallenberg Laboratory, Sahlgrenska University Hospital, Sweden
Cardiovasc Res 71:557-65. 2006..We used the PDGF-B retention motif knockout mouse (RetKO) to study the effects of retention motif deletion on development of micro- and macrovascular structure and function...
Transcription profiling of platelet-derived growth factor-B-deficient mouse embryos identifies RGS5 as a novel marker for pericytes and vascular smooth muscle cellsCecilia Bondjers
Department of Medical Biochemistry, The Sahlgrenska Academy at Goteborg University, Goteborg, Sweden
Am J Pathol 162:721-9. 2003..With RGS5 as a proof-of-principle, our data demonstrate the usefulness of microarray analysis of mouse models for abnormal pericyte development in the identification of new pericyte-specific markers...
VEGF guides angiogenic sprouting utilizing endothelial tip cell filopodiaHolger Gerhardt
Deparrment of Medical Biochemistry, University of Goteborg, Medicinaregatan 9A, Box 440, SE 405 30 Goteborg, Sweden
J Cell Biol 161:1163-77. 2003..Thus, vessel patterning during retinal angiogenesis depends on the balance between two different qualities of the extracellular VEGF-A distribution, which regulate distinct cellular responses in defined populations of endothelial cells...
Endothelium-specific platelet-derived growth factor-B ablation mimics diabetic retinopathyMaria Enge
Department of Medical Biochemistry, Goteborg University, PO Box 440, SE 405 30 Goteborg, Sweden
EMBO J 21:4307-16. 2002..Our data suggest that a reduction of the pericyte density is sufficient to cause retinopathy in mice, implying that pericyte loss may also be a causal pathogenic event in human diabetic retinopathy...
Under stress, the absence of intermediate filaments from Müller cells in the retina has structural and functional consequencesAndrea Lundkvist
Department of Medical Biochemistry, The Sahlgrenska Academy at Goteborg University, Medicinaregatan 9C, SE 41390 Göteborg, Sweden
J Cell Sci 117:3481-8. 2004..Furthermore, the absence of IFs in Müller cells leads to an abnormal response of the vascular system to ischemia, specifically decreased ability of newly formed blood vessels to traverse the ILM...
Endothelial-pericyte interactions in angiogenesisHolger Gerhardt
Department of Medical Biochemistry, , Medicinaregatan 9A, PO Box 440, SE 405 30, , Sweden
Cell Tissue Res 314:15-23. 2003..Genetic data demonstrate the critical importance of pericytes for vascular morphogenesis and function, and imply specific roles for the cell type in various aspects of angiogenesis...
PDGF-A/PDGF alpha-receptor signaling is required for lung growth and the formation of alveoli but not for early lung branching morphogenesisHans Bostrom
Department of Medical Biochemistry, Goteborg University, Goteborg, Sweden
Dev Dyn 223:155-62. 2002..We conclude that, although PDGF-AA signaling over PDGFR alpha may have direct or indirect roles in overall lung growth, it does not specifically control early branching of the lung epithelium...
A new method for large scale isolation of kidney glomeruli from miceMinoru Takemoto
Department of Medical Biochemistry, Goteborg University, Sweden
Am J Pathol 161:799-805. 2002..This method makes feasible transcript profiling and proteomic analysis of the developing, healthy and diseased mouse glomerulus...
Neuron-specific ablation of PDGF-B is compatible with normal central nervous system development and astroglial response to injuryMaria Enge
Department of Medical Biochemistry, , , Sweden
Neurochem Res 28:271-9. 2003..Alternatively, other and more specific analyses of CNS functions in the normal and injured states will be required to demonstrate such a role...
Analysis of mural cell recruitment to tumor vesselsAlexandra Abramsson
Department of Medical Biochemistry, , , Sweden
Circulation 105:112-7. 2002..T241 tumor vessels seem highly capable of recruiting exogenously added mural cells. The sparse mural cell coat of tumor vessels may result from a limited pool of mural cells available for recruitment...
Nonradioactive in situ hybridization on frozen sections and whole mountsJulia Asp
Department of Pathology, University of Goteborg, Goteborg, Sweden
Methods Mol Biol 326:89-102. 2006..The protocols included describe synthesis of a digoxigenin-labeled probe, tissue handling, hybridization of the probe to the mRNA expressed in the sample and signal detection...
In silico analysis of the EPS8 gene family: genomic organization, expression profile, and protein structureArianna Tocchetti
Department of Medical Biochemistry, University of Goteborg, Sweden
Genomics 81:234-44. 2003..The data obtained will be instrumental in directing further experimental functional characterization of these genes...
PDGF-B signaling is important for murine cardiac development: its role in developing atrioventricular valves, coronaries, and cardiac innervationNynke M S Van Den Akker
Department of Anatomy and Embryology, Leiden University Medical Center, Leiden, The Netherlands
Dev Dyn 237:494-503. 2008..This implies a role for PDGF-B/PDGFR-beta-signaling specifically in the contribution of these cell lineages to cardiac development...
A specific requirement for PDGF-C in palate formation and PDGFR-alpha signalingHao Ding
Samuel Lunenfeld Research Institute, Mount Sinai Hospital, Toronto, Canada
Nat Genet 36:1111-6. 2004..Our results also show that PDGF-C signaling is a new pathway in palatogenesis, different from, and independent of, those previously implicated...
Microarray analysis of blood microvessels from PDGF-B and PDGF-Rbeta mutant mice identifies novel markers for brain pericytesCecilia Bondjers
Division of Matrix Biology, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, SE 171 77, Stockholm, Sweden
FASEB J 20:1703-5. 2006..The three new brain pericyte markers are signaling molecules implicated in ion transport and intercellular signaling, potentially opening new windows on pericyte function in brain microvessels...
Expression analysis of PDGF-C in adult and developing mouse tissuesKarin Aase
Ludwig Institute for Cancer Research, Stockholm Branch, Box 240, S 17177 Stockholm, Sweden
Mech Dev 110:187-91. 2002..PDGF-C may therefore have unique functions during tissue development and maintenance...
Increased ethanol resistance and consumption in Eps8 knockout mice correlates with altered actin dynamicsNina Offenhauser
Fondazione Istituto FIRC di Oncologia Molecolare, Via Adamello 16, 20139 Milan, Italy
Cell 127:213-26. 2006..In addition, Eps8 null neurons are resistant to the actin-remodeling activities of NMDA and ethanol. We propose that proper regulation of the actin cytoskeleton is a key determinant of cellular and behavioral responses to ethanol...
Expression and subcellular distribution of novel glomerulus-associated proteins dendrin, ehd3, sh2d4a, plekhh2, and 2310066E14RikJaakko Patrakka
Division of Matrix Biology, Department of Medical Biochemistry and Biophysics, Karolinska Institute, 17177 Stockholm, Sweden
J Am Soc Nephrol 18:689-97. 2007..This study provides fresh insights into glomerular biology and uncovers new possibilities to explore the role of these novel proteins in the glomerular physiology and pathology...
Activation of PDGF-CC by tissue plasminogen activator impairs blood-brain barrier integrity during ischemic strokeEnming J Su
Department of Internal Medicine, Division of Cardiovascular Medicine, University of Michigan Medical School, Ann Arbor Michigan 48109 0644, USA
Nat Med 14:731-7. 2008..These data demonstrate that PDGF signaling regulates blood-brain barrier permeability and suggest potential new strategies for stroke treatment...
Identification of a core set of 58 gene transcripts with broad and specific expression in the microvasculatureElisabet Wallgard
Department of Medical Biochemistry and Biophysics, KarolinskaInstitutet, Scheeles vag 2, A3, Floor 4, SE 171 77, Stockholm, Sweden
Arterioscler Thromb Vasc Biol 28:1469-76. 2008..Here we aimed at determining the endothelial cell-specific core transcriptome in vivo...
Role of platelet-derived growth factors in physiology and medicineJohanna Andrae
Department of Medical Biochemistry and Biophysics, Karolinska Institutet, SE 171 77 Stockholm, Sweden
Genes Dev 22:1276-312. 2008....
Dll4 signalling through Notch1 regulates formation of tip cells during angiogenesisMats Hellstrom
AngioGenetics Sweden AB, Scheeles vag 2, SE 171 77 Stockholm, Sweden
Nature 445:776-80. 2007....
Defective N-sulfation of heparan sulfate proteoglycans limits PDGF-BB binding and pericyte recruitment in vascular developmentAlexandra Abramsson
Department of Medical Biochemistry and Biophysics, Division of Matrix Biology, Karolinska Institute, SE 171 77 Stockholm, Sweden
Genes Dev 21:316-31. 2007....
Growth factor gradients in vascular patterningAndrea Lundkvist
Vascular Biology Laboratory, Cancer Research UK London Research Institute, 44 Lincoln s Inn Fields, London WC2A 3PX, UK
Novartis Found Symp 283:194-201; discussion 201-6, 238-41. 2007..Disruption of VEGF-A gradients provides a novel concept for the mechanism underlying pathological patterning in ocular disease...
The glomerular transcriptome and proteomeChrister Betsholtz
Division of Matrix Biology, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
Nephron Exp Nephrol 106:e32-6. 2007....
Blocking VEGFR-3 suppresses angiogenic sprouting and vascular network formationTuomas Tammela
Molecular Cancer Biology Laboratory and Ludwig Institute for Cancer Research, Biomedicum Helsinki and the Haartman Institute University of Helsinki, PO Box 63 Haartmaninkatu 8, 00014 Helsinki, Finland
Nature 454:656-60. 2008..Our results implicate VEGFR-3 as a regulator of vascular network formation. Targeting VEGFR-3 may provide additional efficacy for anti-angiogenic therapies, especially towards vessels that are resistant to VEGF or VEGFR-2 inhibitors...
Generation and characterization of rgs5 mutant miceMaya H Nisancioglu
Karolinska Institutet, Laboratory of Vascular Biology, Division of Matrix Biology, Department of Medical Biochemistry and Biophysics, Scheelesväg 2, Plan4 A3, SE 171 77 Stockholm, Sweden
Mol Cell Biol 28:2324-31. 2008..The GFP expression in pericytes of rgs5(GFP) mice allows detection and sorting of these cells, thereby providing a valuable novel tool for pericyte research...
Platelet-derived growth factor receptor-beta promotes early endothelial cell differentiationCharlotte Rolny
Department of Genetics and Pathology, Rudbeck Laboratory, Uppsala University, Dag Hammarskjoldsv 20, 751 85 Uppsala, Sweden
Blood 108:1877-86. 2006..Moreover, enhanced vascular remodeling was evident in the Rosa26-PDGF-BB yolk sacs. We conclude that PDGFR-beta is expressed on early hemangioprecursor cells, regulating vascular/hematopoietic development...
Large-scale identification of genes implicated in kidney glomerulus development and functionMinoru Takemoto
Division of Matrix Biology, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
EMBO J 25:1160-74. 2006..We surmise that studies on the other novel glomerulus-enriched transcripts identified in this study will provide new insight into glomerular development and pathomechanisms of disease...
Pericytes limit tumor cell metastasisXiaojie Xian
Stem Cell Center, Lund University, Lund, Sweden
J Clin Invest 116:642-51. 2006..These data support a new model for how tumor cells trigger metastasis by perturbing pericyte-endothelial cell-cell interactions...
Pericyte-specific expression of Rgs5: implications for PDGF and EDG receptor signaling during vascular maturationHyeseon Cho
B Cell Molecular Immunology Section, Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland 20892 1876, USA
FASEB J 17:440-2. 2003..Together these results indicate that RGS5 exerts control over PDGFR-beta and GPCR-mediated signaling pathways active during fetal vascular maturation...
Expression of platelet-derived growth factor (PDGF) in the epididymis and analysis of the epididymal development in PDGF-A, PDGF-B, and PDGF receptor beta deficient miceSabrina Basciani
Department of Medical Pathophysiology, University of Rome La Sapienza, Policlinico Umberto I, 00161 Rome, Italy
Biol Reprod 70:168-77. 2004..Taken together, these data indicate that the PDGF system is highly expressed in the epididymis and suggest that PDGF could be involved in the maintenance of morphological structure and functional control of this organ...
Cortical and retinal defects caused by dosage-dependent reductions in VEGF-A paracrine signalingJody J Haigh
Mount Sinai Hospital, Samuel Lunenfeld Research Institute, Toronto, Canada
Dev Biol 262:225-41. 2003..VEGF-A dosage is therefore a critical parameter regulating the density of the vascular plexus in the developing CNS that is in turn a key determinant in the development and architectural organization of the nervous system...
Spatially restricted patterning cues provided by heparin-binding VEGF-A control blood vessel branching morphogenesisChristiana Ruhrberg
Endothelial Cell Biology Laboratory, Cancer Research UK London Research Institute, London WC2A 3PX, United Kingdom
Genes Dev 16:2684-98. 2002..We conclude that differential VEGF-A isoform localization in the extracellular space provides a control point for regulating vascular branching pattern...
Blockade of platelet-derived growth factor or its receptors transiently delays but does not prevent fibrous cap formation in ApoE null miceKoichi Kozaki
Department of Pathology, University of Washington School of Medicine, Seattle, Washington, USA
Am J Pathol 161:1395-407. 2002..Thus, elimination of PDGF-B from circulating cells or blockade of PDGF receptors does not appear sufficient to prevent smooth muscle accumulation in advanced lesions of atherosclerosis...
Pericytes and the pathogenesis of diabetic retinopathyHans Peter Hammes
Fifth Medical Clinic, Medical Faculty of the University of Heidelberg, Mannheim, Germany
Diabetes 51:3107-12. 2002..At high vascular endothelial growth factor levels, such as those in the retinopathy of prematurity model, pericyte deficiency leads to reduced inhibition of endothelial proliferation in vivo...
Platelet-derived growth factor production by B16 melanoma cells leads to increased pericyte abundance in tumors and an associated increase in tumor growth rateMasao Furuhashi
Ludwig Institute for Cancer Research, Uppsala Branch, Uppsala, Sweden
Cancer Res 64:2725-33. 2004..Our findings thus demonstrate that paracrine PDGF production stimulates pericyte recruitment to tumor vessels and suggest that pericyte abundance influences tumor cell apoptosis and tumor growth...
The mesenchymal alpha11beta1 integrin attenuates PDGF-BB-stimulated chemotaxis of embryonic fibroblasts on collagensSvetlana N Popova
Department of Medical Biochemistry and Microbiology, Biomedical Center, Uppsala, Sweden
Dev Biol 270:427-42. 2004....
Mouse Notch 3 expression in the pre- and postnatal brain: relationship to the stroke and dementia syndrome CADASILNilima Prakash
Department of Cell and Molecular Biology, Medical Nobel Institute, Karolinska Institute, SE 171 77, Stockholm, Sweden
Exp Cell Res 278:31-44. 2002..These data show that Notch 3 expression is conserved between mouse and human and suggest that the mouse is a valid system for analysis of CADASIL...
Identification of transcripts specific for physiological gene activation by platelet-derived growth factor (PDGF)-B in intact brain tissueOliver Renner
Experimental Therapeutics Programme, Spanish National Cancer Centre, E 28029 Madrid, Spain
J Cell Biochem 95:859-67. 2005....
The absence of platelet-derived growth factor-B in circulating cells promotes immune and inflammatory responses in atherosclerosis-prone ApoE-/- miceJingjing Tang
Department of Pathology, University of Washington, Seattle, WA 98104 2499, USA
Am J Pathol 167:901-12. 2005..Thus, our studies identify two independent negative immune regulatory pathways-PDGF-B and SOCS-that may help limit lesion expansion...
Endothelial/pericyte interactionsAnnika Armulik
Division of Matrix Biology, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
Circ Res 97:512-23. 2005..We finally highlight recent important data contributing to the understanding of the role of pericytes in tumor angiogenesis, diabetic retinopathy, and hereditary lymphedema...
Pericytes and vascular stabilityDesiree von Tell
Vascular Biology Laboratory, Division of Matrix Biology, Department of Medical, Biochemistry and Biophysics, Karolinska Institutet, SE 171 77 Stockholm, Sweden
Exp Cell Res 312:623-9. 2006..Several ligand-receptor systems have been implicated in endothelial-pericyte interactions. Here, we discuss the role of some of these signaling systems in the regulation of vascular stability...
Vascular endothelial growth factor C is required for sprouting of the first lymphatic vessels from embryonic veinsMarika J Karkkainen
Molecular Cancer Biology Laboratory and Ludwig Institute for Cancer Research, Haartman Institute and Helsinki University Hospital, Biomedicum Helsinki, University of Helsinki, PO Box 63, 00014 Helsinki, Finland
Nat Immunol 5:74-80. 2004..Our results indicate that VEGF-C is the paracrine factor essential for lymphangiogenesis, and show that both Vegfc alleles are required for normal lymphatic development...
Homeostatic functions of vascular endothelial growth factor in adult microvasculatureChrister Betsholtz
Am J Physiol Heart Circ Physiol 290:H509-11. 2006
The glomerular transcriptome and a predicted protein-protein interaction networkLiqun He
Division of Matrix Biology, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, SE 171 77, Stockholm, Sweden
J Am Soc Nephrol 19:260-8. 2008....
