Activation of human IK and SK Ca2+ -activated K+ channels by NS309 (6,7-dichloro-1H-indole-2,3-dione 3-oxime).
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Activation of human IK and SK Ca2+ -activated K+ channels by NS309 (6,7-dichloro-1H-indole-2,3-dione 3-oxime). / Strøbaek, Dorte; Teuber, Lene; Jørgensen, Tino D; Ahring, Philip K; Kjaer, Katrine; Hansen, Rie S; Olesen, Søren Peter; Christophersen, Palle; Skaaning-Jensen, Bo.
In: BBA General Subjects, Vol. 1665, No. 1-2, 2004, p. 1-5.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Activation of human IK and SK Ca2+ -activated K+ channels by NS309 (6,7-dichloro-1H-indole-2,3-dione 3-oxime).
AU - Strøbaek, Dorte
AU - Teuber, Lene
AU - Jørgensen, Tino D
AU - Ahring, Philip K
AU - Kjaer, Katrine
AU - Hansen, Rie S
AU - Olesen, Søren Peter
AU - Christophersen, Palle
AU - Skaaning-Jensen, Bo
N1 - Keywords: Benzimidazoles; Calcium Channel Agonists; Cell Line; Dose-Response Relationship, Drug; Humans; Indoles; Intermediate-Conductance Calcium-Activated Potassium Channels; Kinetics; Oximes; Patch-Clamp Techniques; Potassium Channels, Calcium-Activated; Small-Conductance Calcium-Activated Potassium Channels
PY - 2004
Y1 - 2004
N2 - We have identified and characterized the compound NS309 (6,7-dichloro-1H-indole-2,3-dione 3-oxime) as a potent activator of human Ca2+ -activated K+ channels of SK and IK types, whereas it is devoid of effect on BK type channels. IK- and SK-channels have previously been reported to be activated by the benzimidazolinone, 1-EBIO and more potently by its dichloronated-analogue, DC-EBIO. NS309 is at least 1000 times more potent than 1-EBIO and at least 30 times more potent than DC-EBIO when the compounds are compared on the same cell.
AB - We have identified and characterized the compound NS309 (6,7-dichloro-1H-indole-2,3-dione 3-oxime) as a potent activator of human Ca2+ -activated K+ channels of SK and IK types, whereas it is devoid of effect on BK type channels. IK- and SK-channels have previously been reported to be activated by the benzimidazolinone, 1-EBIO and more potently by its dichloronated-analogue, DC-EBIO. NS309 is at least 1000 times more potent than 1-EBIO and at least 30 times more potent than DC-EBIO when the compounds are compared on the same cell.
U2 - 10.1016/j.bbamem.2004.07.006
DO - 10.1016/j.bbamem.2004.07.006
M3 - Journal article
C2 - 15471565
VL - 1665
SP - 1
EP - 5
JO - B B A - General Subjects
JF - B B A - General Subjects
SN - 0304-4165
IS - 1-2
ER -
ID: 8466472