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Neurophysiology

, Volume 47, Issue 1, pp 36–39 | Cite as

Effect of Activation of the GLT-1 Transporter by a Beta-Lactam Antibiotic on Serotonin-Induced Scratching Behavior in Mice

  • O. Gunduz
  • R. D. Topuz
  • Z. G. Todurga
  • K. Duvan
  • C. H. Karadag
  • A. UlugolEmail author
Article

Glutamate is believed to be the predominant excitatory neurotransmitter in the networks responsible for itch-related behavior. Beta-lactam antibiotics were shown to exert neuroprotective effects by increasing expression of the glutamate transporter GLT-1. We observed whether repeated administration of the beta-lactam antibiotic ceftriaxone suppresses serotonin-induced itch-related behavior (similarly to the effect of this agent on pain transmission) in mice. Chronic, but not acute, ceftriaxone introductions reduced the number of serotonin-induced scratches; dihydrokainic acid, a selective GLT-1 transporter inhibitor, partly but significantly abolished this effect of ceftriaxone. Our findings suggest that GLT-1 activation by beta-lactam antibiotics looks promising for the treatment of chronic itch.

Keywords

ceftriaxone glutamate transporter GLT-1 itch serotonin 

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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  • O. Gunduz
    • 1
  • R. D. Topuz
    • 1
  • Z. G. Todurga
    • 1
  • K. Duvan
    • 1
  • C. H. Karadag
    • 1
  • A. Ulugol
    • 1
    Email author
  1. 1.Department of Medical Pharmacology, Faculty of MedicineTrakya UniversityEdirneTurkey

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