Person:
Rodríguez-Moreno, Antonio

Catedrático/a de Universidad
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First Name
Antonio
Last Name
Rodríguez-Moreno
Affiliation
Universidad Pablo de Olavide
Department
Fisiología, Anatomía y Biología Celular
Research Center
Area
Fisiología
Research Group
PAIDI Areas
PhD programs
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Search Results

Now showing 1 - 2 of 2
  • Publication
    Metabotropic actions of kainate receptors modulating glutamate release
    (Elsevier, 2021-07) Falcón-Moya, Rafael; Rodríguez-Moreno, Antonio
    Presynaptic kainate (KA) receptors (KARs) modulate GABA and glutamate release in the central nervous system of mammals. While some of the actions of KARs are ionotropic, metabotropic actions for these receptors have also been seen to modulate both GABA and glutamate release. In general, presynaptic KARs modulate glutamate release through their metabotropic actions in a biphasic manner, with low KA concentrations producing an increase in glutamate release and higher concentrations of KA driving weaker release of this neurotransmitter. Different molecular mechanisms are involved in this modulation of glutamate release, with a G-protein independent, Ca2+-calmodulin adenylate cyclase (AC) and protein kinase A (PKA) dependent mechanism facilitating glutamate release, and a G-protein, AC and PKA dependent mechanism mediating the decrease in neurotransmitter release. Here, we describe the events underlying the KAR modulation of glutamatergic transmission in different brain regions, addressing the possible functions of this modulation and proposing future research lines in this field.
  • Publication
    Kainate receptors: from synaptic activity to disease
    (FEBS Press, 2021-06-18) Negrete-Díaz, José Vicente; Falcón-Moya, Rafael; Rodríguez-Moreno, Antonio
    Kainate receptors (KARs) are glutamate receptors that participate in the postsynaptic transmission of information and in the control of neuronal excitability, as well as presynaptically modulating the release of the neurotransmitters GABA and glutamate. These modulatory effects, general follow a biphasic pattern, with low KA concentrations provoking an increase in GABA and glutamate release, and higher concentrations mediating a decrease in the release of these neurotransmitters. In addition, KARs are involved in different forms of long- and short-term plasticity. Importantly, altered activity of these receptors has been implicated in different central nervous system diseases and disturbances. Here, we describe the pre- and postsynaptic actions of KARs, and the possible role of these receptors in disease, a field that has seen significant progress in recent years.