期刊
FEBS LETTERS
卷 582, 期 20, 页码 2979-2984出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.febslet.2008.07.045
关键词
G protein-coupled receptors; adenosine receptors; receptor oligomerization
资金
- Ministerio de Educacion y Ciencia [SAF2005-00903]
Despite some caveats, G protein-coupled receptor oligomerization is a phenomenon that is becoming largely accepted. Within these oligomers, however, stoichiometry remains to be elucidated. Here, by using bimolecular fluorescence complementation, we visualized adenosine A(2A) receptor homodimers in living cells, showing no apparent difference in the subcellular distribution when compared to the YFP-labelled adenosine A2A receptor protomer. Interestingly, the combination of bimolecular fluorescence complementation and bioluminescence resonance energy transfer techniques allowed us to detect the occurrence of adenosine A2A receptors oligomers containing more than two protomers. These results provide new insights into the molecular composition of G protein-coupled receptor oligomers.
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