Abstract：
:Large conductance calcium-activated potassium channels (BK(ca)) are crucial for the regulation of cerebral vascular basal tone and might be involved in cerebral vasodilation relevant to migraine and stroke. We studied the differential gene expression of mRNA transcript levels and protein expression of the BK(Ca) channel in rat basilar, middle cerebral, and middle meningeal arteries by reverse transcription polymerase chain reaction (RT-PCR), quantitative real-time PCR, and Western blotting. Distribution patterns were investigated using in situ hybridization and immunofluorescence studies. RT-PCR and quantitative real-time PCR detected the expression of the BK(Ca) channel mRNA transcript in rat basilar, middle cerebral, and middle meningeal arteries, with the transcript being expressed more abundantly in rat basilar arteries than in middle cerebral and middle meningeal arteries. Western blotting detected the BK(Ca) channel protein in rat basilar and middle cerebral arteries. In situ hybridization and immunofluorescence studies confirmed that the BK(Ca) channel mRNA and protein expression was localized to smooth muscle cells in all three intracranial arteries. The data thus suggest the presence and localization of both mRNA and protein expression of the BK(Ca) channel in the smooth muscle cell layer in rat basilar, middle cerebral, and middle meningeal arteries.
journal_name
Cell Tissue Resjournal_title
Cell and tissue researchauthors
Wulf H,Hay-Schmidt A,Poulsen AN,Klaerke DA,Olesen J,Jansen-Olesen Idoi
10.1007/s00441-008-0701-xsubject
Has Abstractpub_date
2008-12-01 00:00:00pages
359-69issue
3eissn
0302-766Xissn
1432-0878journal_volume
334pub_type
杂志文章abstract：:The adrenal gland of mammals contains high concentrations of peripheral-type benzodiazepine receptors (PBR) and diazepam-binding inhibitor (DBI), a polypeptide which acts as an endogenous ligand for PBR. The aim of the present study was to investigate the localization of DBI and PBR in the adrenal gland of the frog Ra...
journal_title：Cell and tissue research
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journal_title：Cell and tissue research
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journal_title：Cell and tissue research
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journal_title：Cell and tissue research
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