title: The vesicular nucleotide transporter (VNUT) is involved in the extracellular ATP effect on neuronal differentiation.
abstract: Before being released, nucleotides are stored in secretory vesicles through the vesicular nucleotide transporter (VNUT). Once released, extracellular ATP participates in neuronal differentiation processes. Thus, the expression of a functional VNUT could be an additional component of the purinergic system which regulates neuronal differentiation and axonal elongation. In vitro expression of VNUT decreases neuritogenesis in N2a cells differentiated by retinoic acid treatment, whereas silencing of VNUT expression increases the number and length of neurites in these cells. These results highlight the role of VNUT in the neuritogenic process because this transporter regulates the ATP content in neurosecretory vesicles.
authors.affiliation: Facultad de Veterinaria, Departamento de Bioquímica y Biología Molecular IV, Universidad Complutense de Madrid, Madrid, Spain.
authors.forename: Aida
authors.initials: A
authors.lastname: Menéndez-Méndez
authors.forename: Juan Ignacio
authors.initials: JI
authors.lastname: Díaz-Hernández
authors.forename: M Teresa
authors.initials: MT
authors.lastname: Miras-Portugal
mesh_terms: D000255:Adenosine Triphosphate / Q000378:metabolism*; D000818:Animals; D001692:Biological Transport; D002454:Cell Differentiation / Q000502:physiology*; D002478:Cells, Cultured; D005110:Extracellular Space / Q000378:metabolism; D051379:Mice; D009474:Neurons / Q000166:cytology*; D033704:Nucleotide Transport Proteins / Q000378:metabolism*; D009711:Nucleotides / Q000378:metabolism
chemical_list: D033704:Nucleotide Transport Proteins; D009711:Nucleotides; C578984:Slc17a9 protein, mouse; D000255:Adenosine Triphosphate
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