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Cerca | Lliura | Ajuda | Servei de Biblioteques | Sobre el DDD | Català English Español |
Pàgina inicial > Articles > Articles publicats > Angiotensin II type 1/adenosine A receptor oligomers : |
Data: | 2017 |
Resum: | Tardive dyskinesia (TD) is a serious motor side effect that may appear after long-term treatment with neuroleptics and mostly mediated by dopamine D receptors (DRs). Striatal DR functioning may be finely regulated by either adenosine A receptor (AR) or angiotensin receptor type 1 (ATR) through putative receptor heteromers. Here, we examined whether AR and ATR may oligomerize in the striatum to synergistically modulate dopaminergic transmission. First, by using bioluminescence resonance energy transfer, we demonstrated a physical ATR-AR interaction in cultured cells. Interestingly, by protein-protein docking and molecular dynamics simulations, we described that a stable heterotetrameric interaction may exist between ATR and AR bound to antagonists (i. e. losartan and istradefylline, respectively). Accordingly, we subsequently ascertained the existence of ATR/AR heteromers in the striatum by proximity ligation in situ assay. Finally, we took advantage of a TD animal model, namely the reserpine-induced vacuous chewing movement (VCM), to evaluate a novel multimodal pharmacological TD treatment approach based on targeting the ATR/AR complex. Thus, reserpinized mice were co-treated with sub-effective losartan and istradefylline doses, which prompted a synergistic reduction in VCM. Overall, our results demonstrated the existence of striatal ATR/AR oligomers with potential usefulness for the therapeutic management of TD. |
Ajuts: | Ministerio de Economía y Competitividad SAF2014-55700 Ministerio de Economía y Competitividad SAF2014-58396-R Ministerio de Economía y Competitividad PCIN-2013-019-C03-03 Ministerio de Economía y Competitividad PCIN-2013- 018-C03-02 Ministerio de Economía y Competitividad PIE14/00034 |
Nota: | Altres ajuts: Fundació La Marató de TV3 (20152031) |
Drets: | Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original. |
Llengua: | Anglès |
Document: | Article ; recerca ; Versió publicada |
Publicat a: | Scientific reports, Vol. 7 (may 2017) , ISSN 2045-2322 |
12 p, 2.3 MB |