GENTAUR Molecular Products.
Monoclonal Antibody, ELISA Kit, Polyclonal Antibody, Recombinant/Purified Protein.Did you know ? If you order before Friday 14h we deliver 90PCT of the the time next Tuesday, GENTAUR another in time delivery
Publication Date : //
The augmentation of BK channel activity by nitric oxide signaling in rat cerebral arteries involves co-localized regulatory elements.
Large conductance, Ca-activated K (BK) channels control cerebrovascular tone; however, the regulatory processes influencing these channels remain poorly understood. Here, we investigate the cellular mechanisms underlying the enhancement of BK current in rat cerebral arteries by nitric oxide (NO) signaling. In isolated cerebral myocytes, BK current magnitude was reversibly increased by sodium nitroprusside (SNP, 100 μM) and sensitive to the BK channel inhibitor, penitrem-A (100 nM). Fostriecin (30 nM), a protein phosphatase type 2A (PP2A) inhibitor, significantly prolonged the SNP-induced augmentation of BK current and a similar effect was produced by sildenafil (30 nM), a phosphodiesterase 5 (PDE5) inhibitor. Using proximity ligation assay (PLA)-based co-immunostaining, BK channels were observed to co-localize with PP2A, PDE5, and cGMP-dependent protein kinase (cGKI) (spatial restriction < 40 nm); cGKI co-localization increased following SNP exposure. SNP (10 μM) reversibly inhibited myogenic tone in cannulated cerebral arteries, which was augmented by either fostriecin or sildenafil and inhibited by penitrem-A. Collectively, these data suggest that (1) cGKI, PDE5, and PP2A are compartmentalized with cerebrovascular BK channels and determine the extent of BK current augmentation by NO/cGMP signaling, and (2) the dynamic regulation of BK activity by co-localized signaling enzymes modulates NO-evoked dilation of cerebral resistance arteries.
Authors : Kyle Barry D , Mishra Ramesh C , Braun Andrew P ,
Related products :
GENTAUR Belgium BVBA BE0473327336
Voortstraat 49, 1910 Kampenhout BELGIUM
Tel 0032 16 58 90 45
Fax 0032 16 50 90 45
info@gentaur.com | Gentaur | Gentaur
GENTAUR Ltd.
Unicorn House, Station Cl
Hertfordshire, Potters Bar EN6 1TL
Whetstone London N20 9BH
Tel 020 3393 8531 Fax 020 8445 9411
uk@gentaur.com | Gentaur | Gentaur
GENTAUR France SARL
9, rue Lagrange, 75005 Paris
Tel 01 43 25 01 50
Fax 01 43 25 01 60
RCS Paris B 484 237 888
SIRET 48423788800017
RIB 30004 00187 00010092253 10
BNP PARIBAS PARIS PL MAUBERT BIC BNPAFRPPPRG
IBAN FR76 3000 4001 8700 0100 9225 310
france@gentaur.com | Gentaur | Gentaur
GENTAUR GmbH
Marienbongard 20
52062 Aachen Deutschland
Support Karolina Elandt
Tel: +49 0241 40 08 90 86, +49 0241 95 78 94 78, +49 0241 40 08 90 86
Fax: (+49) 241 56 00 47 88
Logistic :0241 40 08 90 86
Bankleitzahl 39050000
IBAN lautet DE8839050000107569353
Handelsregister Aachen HR B 16058
Umsatzsteuer-Identifikationsnummer *** DE 815175831
Steuernummer 201/5961/3925
de@gentaur.com | Gentaur | Gentaur
GENTAUR U.S.A
Genprice Inc, Logistics
547, Yurok Circle
San Jose, CA 95123
CA 95123
Tel (408) 780-0908,
Fax (408) 780-0908,
sales@genprice.com
Genprice Inc, Invoices and accounting
6017 Snell Ave, Ste 357
San Jose, CA 95123
GENTAUR Nederland BV
NL850396268B01 KVK nummer 52327027
Kuiper 1
5521 DG Eersel Nederland
Tel: 0208-080893 Fax: 0497-517897
nl@gentaur.com | Gentaur | Gentaur
IBAN: NL04 RABO 0156 9854 62 SWIFT RABONL2U
GENTAUR Spain
tel:0911876558
spain@gentaur.com | Gentaur | Gentaur
ГЕНТАУЪР БЪЛГАРИЯ
ID # 201 358 931 /BULSTAT
София 1000, ул. "Граф Игнатиев" 53 вх. В, ет. 2
Tel 0035924682280 Fax 0035924808322
e-mail: Sofia@gentaur.com | Gentaur | Gentaur
IBAN: BG11FINV91501014771636
BIC: FINVBGSF
GENTAUR Poland Sp. z o.o.
ul. Grunwaldzka 88/A m.2
81-771 Sopot, Poland
TEL Gdansk 058 710 33 44 FAX 058 710 33 48
poland@gentaur.com | Gentaur | Gentaur
Other countries
Österreich +43720880899
Canada Montreal +15149077481
Ceská republika Praha +420246019719
Danmark +4569918806
Finland Helsset +358942419041
Magyarország Budapest +3619980547
Ireland Dublin+35316526556
Luxembourg+35220880274
Norge Oslo+4721031366
Sverige Stockholm+46852503438
Schweiz Züri+41435006251
US New York+17185132983
GENTAUR Italy
SRL IVA IT03841300167
Piazza Giacomo Matteotti, 6
24122 Bergamo
Tel 02 36 00 65 93
Fax 02 36 00 65 94
italia@gentaur.com | Gentaur | Gentaur
Pathways :
WP1850: Metabolism of nitric oxide
WP1995: Effects of nitric oxide
WP10: IL-9 Signaling Pathway
WP1004: Kit Receptor Signaling Pathway
WP1010: Wnt Signaling Pathway and Pluripotency
WP1011: T Cell Receptor Signaling Pathway
WP1012: IL-7 Signaling Pathway
WP1014: Androgen receptor signaling pathway
WP1016: Wnt Signaling Pathway
WP1017: Type II interferon signaling (IFNG)
WP1022: Hedgehog Signaling Pathway
WP1025: B Cell Receptor Signaling Pathway
WP1029: Notch Signaling Pathway
WP1031: IL-3 Signaling Pathway
WP1037: p38 MAPK Signaling Pathway
WP1044: ErbB signaling pathway
WP1045: TGF-beta Receptor Signaling Pathway
WP1046: Signaling of Hepatocyte Growth Factor Receptor
WP1047: TNF-alpha NF-kB Signaling Pathway
WP1048: TGF Beta Signaling Pathway
WP1049: G Protein Signaling Pathways
WP1052: Id Signaling Pathway
WP1055: IL-4 signaling Pathway
WP1063: G13 Signaling Pathway
WP1064: Delta-Notch Signaling Pathway
Related Genes :
Bibliography :
[28155571] The augmentation of BK channel activity by nitric oxide signaling in rat cerebral arteries involves co-localized regulatory elements.
Enter catalog number :
Favorites Pages:
No Favorits