K+ channel
Effect of ATP-Dependent K+ Channel Openers and Blockers on Serum Concentration of Aldosterone in Rats
... of K + channel openers; diazoxide, minoxidil and K + channel blockers; chlorpropamide, glibenclamide on serum concentration of aldosterone in male ...glibenclamide–sensitive K + ...
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Localization of the Kv1 5 K+ channel protein in explanted cardiac tissue
... Kv1.5 K+ channel displays similar kinetics and pharmacology to a delayed rectifier channel found in atrial ...this channel in cardiac ...distinct channel epitopes, the ...perhaps ...
12
Cracking the Secret Code of the Selectivity Ratio between K and Na Ions in the KcsA K channel
... between K + and Na + ions in the KcsA channel ...of K + ...the channel. Figure 1 shows how K + ions enter the K + channel and its ...
8
CO2 dependent opening of an inwardly rectifying K+ channel
... the K + ...– channel in the apical membrane of cells in the thick ascending limb of the loop of Henlé in the kidney ...and K + channels colocalize to ensure that K + efflux from the cell is ...
9
K+-Channel Transgenes Reduce K+ Currents in Paramecium, Probably by a Post-translational Mechanism
... amplitude. This reduction does not correlate with a deficit of PAK11 message, since RNA is clearly produced from the injected transgenes. Insertion of a single nucleotide at the start of the PAK11 ORF does not affect the ...
9
KvLQT1 and KCNE1 K+ Channel Gene Polymorphisms in Long QT Syndrome
... potassium channel, KQT-like subfamily, member 1 (KCNQ1), encodes pore-forming voltage gated K+ channel subunit KvLQT1 and is widely expressed in myocardial ...for K+ to enter the endolymph in ...
15
A Cyclic GMP-Dependent K+ Channel in the Blastocladiomycete Fungus Blastocladiella emersonii
... a K ⫹ channel that is activated by cGMP. The use of specific channel inhibitors confirms the activation of the channel by cGMP and its K ⫹ ...putative K ⫹ channel (see ...
6
K+ CHANNEL PERMEATION AND BLOCK IN THE MIDGUT EPITHELIUM OF THE TOBACCO HORNWORM MANDUCA SEXTA
... through a minimum or maximum as a function of the ratio of ionic concentrations. Another characteristic of multi-occupancy is an unusually high voltage-dependence of blocking ions (Eisenman and Horn, 1983). In our case, ...
22
Stretch Activation of a K+ Channel in Molluscan Heart Cells
... To provide a criterion for deciding, in the first place, whether data were suitable for burst analysis and for deciding, subsequently, what interburst interval was appropriate, the follo[r] ...
20
Molecular analysis of a Shaker related K+ channel in leech
... Weiss mapped the 5' coding region of a 15 kb genomic clone to obtain the full length coding region for LK-1 and ligated the S' coding region to a partial Haemopis LK-1 cDNA, isolated the[r] ...
95
Transcriptional control of Ca(2+) activated K(+) channel expression: identification of a second, evolutionarily conserved, neuronal promoter
... Nerve cells encode and transmit information in the form of electrical signals. The production of these impulses depends upon the cooperative effort of a number of distinct ion channels. These channels conduct the ionic ...
12
A kinetic study of receptor activation of the G-protein gated K+ channel
... GIRK channel provides an excellent reporter system, allowing one to measure subtle changes in signalling efficiency using whole-cell patch clamping ...the channel is highly permeable to potassium ions ...
347
Functional and pharmacological characterization of a Shal-related K+ channel subunit in Zebrafish
... Danio rerio is one of the few model organisms used to examine developmental regulation of vertebrate biologi- cal processes. Much has been leaned regarding transcrip- tional control of organogenesis, including ...
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An inwardly rectifying K+ channel is required for patterning
... channels in mammals. Incorporation of a single subunit with a mutated selectivity filter (GYG to AAA) into the complex completely blocks ion flow through the channels in mammals (Bichet et al., 2003). We used the ...
12
KIN7 kinase regulates the vacuolar TPK1 K+ channel during stomatal closure
... (A) Pull down assays were carried out using the N-terminal part of TPK1 fused to GST as bait (or GST alone) and leaf extract from wild type plants or plants expressing KIN7::YFP as bait. A primary anti-GFP antibody and ...
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Characteristics of Five Types of K+ Channel in Cultured Locust Muscle
... Only outward currents were observed for the type 1 channel in excised, outside-out patches, to give a chord conductance of 5 pS between pipette potentials of OmV and +120mV.. In inside-o[r] ...
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Long lasting potassium channel inactivation in myoepithelial fibres is related to characteristics of swimming in diphyid siphonophores
... + channel, an L-type Ca 2+ channel and a K + channel in the myoepithelial fibres of diphyid ...+ channel was shown to belong to a TTX-resistant Na + channel group, and the Ca 2+ ...
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Identification of a Basolateral Membrane Potassium Channel from Teleost Intestinal Epithelial Cells
... Single-channel current records from a basolateral membrane K+ channel in an excised, inside-out membrane patch bathed in 35 mmol I"1 K+ G35MES+0.5 2 +2 mmol I"1 Ca 2+ at Vm=0 and — 70mV[r] ...
20
I. Ion Channels in Human THP-1 Monocytes
... pS at V rev in symmetrical high [K + ]. I DR in THP-1 monocytes thus resembles that in other human and mouse macrophages (Ypey & Clapham, 1984; Gallin & Sheehy, 1985; Randriamampita & Trautmann, 1987; ...
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Expression of the chloride channel CLC K in human airway epithelial cells
... these tissues, ClC-K channel expression appears to be re- stricted to the basolateral membrane (Este´vez et al. 2001; Jentsch et al. 2002). While ClC-K channels appear to be present in the membrane ...
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