Abstract:
:In order to isolate new subtypes of P2Y purinoceptors, a human placenta cDNA library was screened at middle stringency with a P2Y4 probe. The purification and the sequencing of several clones led us to identify a 984 base pair open reading frame encoding a new human P2Y receptor. It appeared later that this sequence corresponds to the human ortholog (88% amino acid identity) of the rat receptor recently cloned by Chang et al (J. Biol. Chem. 270, 26152-26158, 1995) and called P2Y6. Northern blot analysis detected human P2Y6 receptor messenger RNA in human spleen, placenta, thymus, intestine, and blood leukocytes. In 1321N1 cells stably expressing the human P2Y6 receptor, the formation of IP3 was stimulated by nucleotides with the following order of potency: UDP > 5-bromo-UPT > UTP > ADP > 2-methylthio-ATP > ATP. The P2Y6 receptor, together with the previously cloned P2Y4 subtype (Communi et al., J. Biol. Chem., 270, 30849-30852, 1995), belongs thus to a subfamily of pyrimidinoceptors inside the P2Y family.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Communi D,Parmentier M,Boeynaems JMdoi
10.1006/bbrc.1996.0739subject
Has Abstractpub_date
1996-05-15 00:00:00pages
303-8issue
2eissn
0006-291Xissn
1090-2104pii
S0006-291X(96)90739-1journal_volume
222pub_type
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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