Molecular investigations of BK(Ca) channels and the modulatory beta-subunits in porcine basilar and middle cerebral arteries
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Molecular investigations of BK(Ca) channels and the modulatory beta-subunits in porcine basilar and middle cerebral arteries. / Johansson, Helle Wulf; Hay-Schmidt, Anders; Poulsen, Asser Nyander; Klærke, Dan Arne; Olesen, Jes; Jansen-Olesen, Inger.
I: Journal of Molecular Histology (Print Edition), Bind 40, Nr. 2, 2009, s. 87-97.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Molecular investigations of BK(Ca) channels and the modulatory beta-subunits in porcine basilar and middle cerebral arteries
AU - Johansson, Helle Wulf
AU - Hay-Schmidt, Anders
AU - Poulsen, Asser Nyander
AU - Klærke, Dan Arne
AU - Olesen, Jes
AU - Jansen-Olesen, Inger
N1 - Keywords: Animals; Basilar Artery; Blotting, Western; In Situ Hybridization; Large-Conductance Calcium-Activated Potassium Channel alpha Subunits; Large-Conductance Calcium-Activated Potassium Channel beta Subunits; Large-Conductance Calcium-Activated Potassium Channels; Middle Cerebral Artery; Oocytes; Polymerase Chain Reaction; Reverse Transcriptase Polymerase Chain Reaction; Swine; Xenopus
PY - 2009
Y1 - 2009
N2 - Large conductance calcium-activated potassium (BK(Ca)) channels are fundamental in the regulation of cerebral vascular basal tone. We investigated the expression of the mRNA transcripts for the BK(Ca) channel and its modulatory beta-subunits (beta1-beta4) in porcine basilar and middle cerebral arteries using reverse transcription polymerase chain reaction (RT-PCR) and quantitative real-time PCR. Western blotting was used to detect immunoreactivity for the porcine BK(Ca) channel alpha-subunit and beta-subunit proteins. The BK(Ca) channel alpha-subunit RNA and protein distribution patterns were visualized using in situ hybridization and immunofluorescence studies, respectively. The study verified that the BK(Ca) channel alpha-subunit is located to smooth muscle cells of porcine basilar and middle cerebral arteries. The mRNA transcript for beta1-, beta2- and beta4-subunit were shown by RT-PCR in porcine basilar and middle cerebral arteries. However, at the protein level, only, the beta1-subunit protein was found by western blotting.
AB - Large conductance calcium-activated potassium (BK(Ca)) channels are fundamental in the regulation of cerebral vascular basal tone. We investigated the expression of the mRNA transcripts for the BK(Ca) channel and its modulatory beta-subunits (beta1-beta4) in porcine basilar and middle cerebral arteries using reverse transcription polymerase chain reaction (RT-PCR) and quantitative real-time PCR. Western blotting was used to detect immunoreactivity for the porcine BK(Ca) channel alpha-subunit and beta-subunit proteins. The BK(Ca) channel alpha-subunit RNA and protein distribution patterns were visualized using in situ hybridization and immunofluorescence studies, respectively. The study verified that the BK(Ca) channel alpha-subunit is located to smooth muscle cells of porcine basilar and middle cerebral arteries. The mRNA transcript for beta1-, beta2- and beta4-subunit were shown by RT-PCR in porcine basilar and middle cerebral arteries. However, at the protein level, only, the beta1-subunit protein was found by western blotting.
U2 - 10.1007/s10735-009-9216-3
DO - 10.1007/s10735-009-9216-3
M3 - Journal article
C2 - 19337844
VL - 40
SP - 87
EP - 97
JO - Journal of Molecular Histology
JF - Journal of Molecular Histology
SN - 1567-2379
IS - 2
ER -
ID: 21772427