Abstract：
:P2X receptor-mediated responses to the ATP analogue, alpha,beta-methylene ATP, in rat brain cannot be accounted for by the receptor proteins known to be present. Such experiments are often performed on cells from neonates and, since differential developmental regulation of P2X1 and P2X2 receptor messenger RNAs has already been demonstrated, this is likely to be the case for other P2X receptors. This study was designed to address the possible existence of alpha,beta-methylene ATP-sensitive P2X3 receptors in rat brains of various ages using a P2X3 receptor-selective antibody. P2X3 receptor protein was found in discrete regions of the embryonic (E16) and neonatal rat brain (P7 and P14) but was not detectable in adult animals. This is the first demonstration of the presence of these receptors in brains from various ages of rat and the differential expression of these receptors in neonates may account for some reported electrophysiological responses to alpha,beta-methylene ATP.
journal_name
Neurosciencejournal_title
Neuroscienceauthors
Kidd EJ,Miller KJ,Sansum AJ,Humphrey PPdoi
10.1016/s0306-4522(98)00294-2subject
Has Abstractpub_date
1998-12-01 00:00:00pages
533-9issue
3eissn
0306-4522issn
1873-7544pii
S0306-4522(98)00294-2journal_volume
87pub_type
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