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Neuronally produced versican V2 renders C-fiber nociceptors IB4 -positive.
Bogen, Oliver; Bender, Olaf; Löwe, Jana; Blenau, Wolfgang; Thevis, Beatrice; Schröder, Wolfgang; Margolis, Richard U; Levine, Jon D; Hucho, Ferdinand.
Afiliación
  • Bogen O; Institut für Chemie und Biochemie, Freie Universität Berlin, Berlin, Germany.
  • Bender O; Department of Medicine and Oral & Maxillofacial Surgery, University of California San Francisco, San Francisco, California, USA.
  • Löwe J; Institut für Chemie und Biochemie, Freie Universität Berlin, Berlin, Germany.
  • Blenau W; Universität Potsdam, Institut für Biochemie und Biologie, Potsdam, Germany.
  • Thevis B; Universität Potsdam, Institut für Biochemie und Biologie, Potsdam, Germany.
  • Schröder W; Department of Pain Pharmacology, Grünenthal Innovation, Grünenthal GmbH, Aachen, Germany.
  • Margolis RU; Early Clinical Development, Department of Translational Science, Grünenthal Innovation, Grünenthal GmbH, Aachen, Germany.
  • Levine JD; Department of Biochemistry and Molecular Pharmacology, New York University Medical Center, New York City, New York, USA.
  • Hucho F; Department of Medicine and Oral & Maxillofacial Surgery, University of California San Francisco, San Francisco, California, USA.
J Neurochem ; 134(1): 147-55, 2015 Jul.
Article en En | MEDLINE | ID: mdl-25845936
A subpopulation of nociceptors, the glial cell line-derived neurotrophic factor (GDNF)-dependent, non-peptidergic C-fibers, expresses a cell-surface glycoconjugate that can be selectively labeled with isolectin B4 (IB4 ), a homotetrameric plant lectin from Griffonia simplicifolia. We show that versican is an IB4 -binding molecule in rat dorsal root ganglion neurons. Using reverse transcriptase polymerase chain reaction (RT-PCR), in situ hybridization and immunofluorescence experiments on rat lumbar dorsal root ganglion, we provide the first demonstration that versican is produced by neurons. In addition, by probing Western blots with splice variant-specific antibodies we show that the IB4 -binding versican contains only the glycosaminoglycan alpha domain. Our data support V2 as the versican isoform that renders this subpopulation of nociceptors IB4 -positive (+). A subset of nociceptors, the GDNF-dependent non-peptidergic C-fibers can be characterized by its reactivity for isolectin B4 (IB4), a plant lectin from Griffonia simplicifolia. We have previously demonstrated that versican V2 binds IB4 in a Ca2 + -dependent manner. However, given that versican is thought to be the product of glial cells, it was questionable whether versican V2 can be accountable for the IB4-reactivity of this subset of nociceptors. The results presented here prove - for the first time - a neuronal origin of versican and suggest that versican V2 is the molecule that renders GDNF-dependent non-peptidergic C-fibers IB4-positive.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Nociceptores / Glicoproteínas / Fibras Nerviosas Amielínicas / Versicanos / Lectinas / Neuronas Límite: Animals Idioma: En Revista: J Neurochem Año: 2015 Tipo del documento: Article País de afiliación: Alemania Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Nociceptores / Glicoproteínas / Fibras Nerviosas Amielínicas / Versicanos / Lectinas / Neuronas Límite: Animals Idioma: En Revista: J Neurochem Año: 2015 Tipo del documento: Article País de afiliación: Alemania Pais de publicación: Reino Unido