camp glosensor 22f Search Results


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Promega glosensor-22f camp
Glosensor 22f Camp, supplied by Promega, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Promega 22f glosensor camp biosensor
Effect of anti-G βγ ‒binding peptide on SS analogue signaling. Cells were incubated with (A) membrane potential dye, (B) cAMP <t>GloSensor</t> luciferin, or (C–E) intracellular Ca 2+ dye in the presence or absence of the G protein βγ subunit peptide blocker MPS-phosducin-like protein C-terminus (MPS-Phos, 1 µM). Cells were pretreated with MPS-Phos for 15 minutes at 28°C for cAMP GloSensor experiments or for 15 minutes at 37°C for the other experiments. (A) Hyperpolarization responses after simulation with SS14 (100 nM) or SS14 (100 nM) + MPS-Phos (1 µM). Treatment groups were not significantly different ( P = 0.5; two-tailed t test). (B) Inhibition of NKH477 (10 µM) stimulated cAMP production by SS14 (100 nM) or SOM230 (1 µM) in the absence or presence of MPS-Phos (1 µM). Response of MPS-Phos‒treated groups was not significantly different from that of nontreated groups (two-tailed t test). (C) HEK293-Sstr2A cells were incubated with the FLUO-8 am dye for 45 minutes, washed, and then incubated with the anti- βγ peptide MPS-Phos (2 µM) for 15 minutes. Cells were then treated with saturating concentrations of SS14 (100 nM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). Data are mean ± SEM from two different experiments, three replicates per group per experiment. (D) Intracellular Ca 2+ levels after stimulation with SS14 (100 nM) or SS14 (100 nM) + MPS-Phos (1 µM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). (E) Intracellular Ca 2+ levels after stimulation with SOM230 (1 µM) or SOM230 (1 µM) + MPS-Phos (1 µM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). Data are expressed as a ratio of fluorescence intensity (F 1 /F 0 ). (A, B, D, and E) Data show the mean ± SEM from three independent experiments, three replicates per group per experiment. Black arrows indicate the addition of agonists 30 seconds after the start of the experiment. -, no ligand; SOM, SOM230; SS, somatostatin 14.
22f Glosensor Camp Biosensor, supplied by Promega, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Promega glosensor-22f luminescent camp-sensing protein
Effect of anti-G βγ ‒binding peptide on SS analogue signaling. Cells were incubated with (A) membrane potential dye, (B) cAMP <t>GloSensor</t> luciferin, or (C–E) intracellular Ca 2+ dye in the presence or absence of the G protein βγ subunit peptide blocker MPS-phosducin-like protein C-terminus (MPS-Phos, 1 µM). Cells were pretreated with MPS-Phos for 15 minutes at 28°C for cAMP GloSensor experiments or for 15 minutes at 37°C for the other experiments. (A) Hyperpolarization responses after simulation with SS14 (100 nM) or SS14 (100 nM) + MPS-Phos (1 µM). Treatment groups were not significantly different ( P = 0.5; two-tailed t test). (B) Inhibition of NKH477 (10 µM) stimulated cAMP production by SS14 (100 nM) or SOM230 (1 µM) in the absence or presence of MPS-Phos (1 µM). Response of MPS-Phos‒treated groups was not significantly different from that of nontreated groups (two-tailed t test). (C) HEK293-Sstr2A cells were incubated with the FLUO-8 am dye for 45 minutes, washed, and then incubated with the anti- βγ peptide MPS-Phos (2 µM) for 15 minutes. Cells were then treated with saturating concentrations of SS14 (100 nM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). Data are mean ± SEM from two different experiments, three replicates per group per experiment. (D) Intracellular Ca 2+ levels after stimulation with SS14 (100 nM) or SS14 (100 nM) + MPS-Phos (1 µM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). (E) Intracellular Ca 2+ levels after stimulation with SOM230 (1 µM) or SOM230 (1 µM) + MPS-Phos (1 µM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). Data are expressed as a ratio of fluorescence intensity (F 1 /F 0 ). (A, B, D, and E) Data show the mean ± SEM from three independent experiments, three replicates per group per experiment. Black arrows indicate the addition of agonists 30 seconds after the start of the experiment. -, no ligand; SOM, SOM230; SS, somatostatin 14.
Glosensor 22f Luminescent Camp Sensing Protein, supplied by Promega, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Promega luciferase-based intracellular camp probe glosensor 22 f
Effect of anti-G βγ ‒binding peptide on SS analogue signaling. Cells were incubated with (A) membrane potential dye, (B) cAMP <t>GloSensor</t> luciferin, or (C–E) intracellular Ca 2+ dye in the presence or absence of the G protein βγ subunit peptide blocker MPS-phosducin-like protein C-terminus (MPS-Phos, 1 µM). Cells were pretreated with MPS-Phos for 15 minutes at 28°C for cAMP GloSensor experiments or for 15 minutes at 37°C for the other experiments. (A) Hyperpolarization responses after simulation with SS14 (100 nM) or SS14 (100 nM) + MPS-Phos (1 µM). Treatment groups were not significantly different ( P = 0.5; two-tailed t test). (B) Inhibition of NKH477 (10 µM) stimulated cAMP production by SS14 (100 nM) or SOM230 (1 µM) in the absence or presence of MPS-Phos (1 µM). Response of MPS-Phos‒treated groups was not significantly different from that of nontreated groups (two-tailed t test). (C) HEK293-Sstr2A cells were incubated with the FLUO-8 am dye for 45 minutes, washed, and then incubated with the anti- βγ peptide MPS-Phos (2 µM) for 15 minutes. Cells were then treated with saturating concentrations of SS14 (100 nM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). Data are mean ± SEM from two different experiments, three replicates per group per experiment. (D) Intracellular Ca 2+ levels after stimulation with SS14 (100 nM) or SS14 (100 nM) + MPS-Phos (1 µM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). (E) Intracellular Ca 2+ levels after stimulation with SOM230 (1 µM) or SOM230 (1 µM) + MPS-Phos (1 µM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). Data are expressed as a ratio of fluorescence intensity (F 1 /F 0 ). (A, B, D, and E) Data show the mean ± SEM from three independent experiments, three replicates per group per experiment. Black arrows indicate the addition of agonists 30 seconds after the start of the experiment. -, no ligand; SOM, SOM230; SS, somatostatin 14.
Luciferase Based Intracellular Camp Probe Glosensor 22 F, supplied by Promega, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Promega plasmid encoding the luciferase-based intracellular camp probe glosensor 22 f
Effect of anti-G βγ ‒binding peptide on SS analogue signaling. Cells were incubated with (A) membrane potential dye, (B) cAMP <t>GloSensor</t> luciferin, or (C–E) intracellular Ca 2+ dye in the presence or absence of the G protein βγ subunit peptide blocker MPS-phosducin-like protein C-terminus (MPS-Phos, 1 µM). Cells were pretreated with MPS-Phos for 15 minutes at 28°C for cAMP GloSensor experiments or for 15 minutes at 37°C for the other experiments. (A) Hyperpolarization responses after simulation with SS14 (100 nM) or SS14 (100 nM) + MPS-Phos (1 µM). Treatment groups were not significantly different ( P = 0.5; two-tailed t test). (B) Inhibition of NKH477 (10 µM) stimulated cAMP production by SS14 (100 nM) or SOM230 (1 µM) in the absence or presence of MPS-Phos (1 µM). Response of MPS-Phos‒treated groups was not significantly different from that of nontreated groups (two-tailed t test). (C) HEK293-Sstr2A cells were incubated with the FLUO-8 am dye for 45 minutes, washed, and then incubated with the anti- βγ peptide MPS-Phos (2 µM) for 15 minutes. Cells were then treated with saturating concentrations of SS14 (100 nM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). Data are mean ± SEM from two different experiments, three replicates per group per experiment. (D) Intracellular Ca 2+ levels after stimulation with SS14 (100 nM) or SS14 (100 nM) + MPS-Phos (1 µM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). (E) Intracellular Ca 2+ levels after stimulation with SOM230 (1 µM) or SOM230 (1 µM) + MPS-Phos (1 µM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). Data are expressed as a ratio of fluorescence intensity (F 1 /F 0 ). (A, B, D, and E) Data show the mean ± SEM from three independent experiments, three replicates per group per experiment. Black arrows indicate the addition of agonists 30 seconds after the start of the experiment. -, no ligand; SOM, SOM230; SS, somatostatin 14.
Plasmid Encoding The Luciferase Based Intracellular Camp Probe Glosensor 22 F, supplied by Promega, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Promega luciferase-based pglosensor-22f camp reporter plasmid glosensor
Effect of anti-G βγ ‒binding peptide on SS analogue signaling. Cells were incubated with (A) membrane potential dye, (B) cAMP <t>GloSensor</t> luciferin, or (C–E) intracellular Ca 2+ dye in the presence or absence of the G protein βγ subunit peptide blocker MPS-phosducin-like protein C-terminus (MPS-Phos, 1 µM). Cells were pretreated with MPS-Phos for 15 minutes at 28°C for cAMP GloSensor experiments or for 15 minutes at 37°C for the other experiments. (A) Hyperpolarization responses after simulation with SS14 (100 nM) or SS14 (100 nM) + MPS-Phos (1 µM). Treatment groups were not significantly different ( P = 0.5; two-tailed t test). (B) Inhibition of NKH477 (10 µM) stimulated cAMP production by SS14 (100 nM) or SOM230 (1 µM) in the absence or presence of MPS-Phos (1 µM). Response of MPS-Phos‒treated groups was not significantly different from that of nontreated groups (two-tailed t test). (C) HEK293-Sstr2A cells were incubated with the FLUO-8 am dye for 45 minutes, washed, and then incubated with the anti- βγ peptide MPS-Phos (2 µM) for 15 minutes. Cells were then treated with saturating concentrations of SS14 (100 nM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). Data are mean ± SEM from two different experiments, three replicates per group per experiment. (D) Intracellular Ca 2+ levels after stimulation with SS14 (100 nM) or SS14 (100 nM) + MPS-Phos (1 µM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). (E) Intracellular Ca 2+ levels after stimulation with SOM230 (1 µM) or SOM230 (1 µM) + MPS-Phos (1 µM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). Data are expressed as a ratio of fluorescence intensity (F 1 /F 0 ). (A, B, D, and E) Data show the mean ± SEM from three independent experiments, three replicates per group per experiment. Black arrows indicate the addition of agonists 30 seconds after the start of the experiment. -, no ligand; SOM, SOM230; SS, somatostatin 14.
Luciferase Based Pglosensor 22f Camp Reporter Plasmid Glosensor, supplied by Promega, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Promega glosensor-22f camp gene
Effect of anti-G βγ ‒binding peptide on SS analogue signaling. Cells were incubated with (A) membrane potential dye, (B) cAMP <t>GloSensor</t> luciferin, or (C–E) intracellular Ca 2+ dye in the presence or absence of the G protein βγ subunit peptide blocker MPS-phosducin-like protein C-terminus (MPS-Phos, 1 µM). Cells were pretreated with MPS-Phos for 15 minutes at 28°C for cAMP GloSensor experiments or for 15 minutes at 37°C for the other experiments. (A) Hyperpolarization responses after simulation with SS14 (100 nM) or SS14 (100 nM) + MPS-Phos (1 µM). Treatment groups were not significantly different ( P = 0.5; two-tailed t test). (B) Inhibition of NKH477 (10 µM) stimulated cAMP production by SS14 (100 nM) or SOM230 (1 µM) in the absence or presence of MPS-Phos (1 µM). Response of MPS-Phos‒treated groups was not significantly different from that of nontreated groups (two-tailed t test). (C) HEK293-Sstr2A cells were incubated with the FLUO-8 am dye for 45 minutes, washed, and then incubated with the anti- βγ peptide MPS-Phos (2 µM) for 15 minutes. Cells were then treated with saturating concentrations of SS14 (100 nM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). Data are mean ± SEM from two different experiments, three replicates per group per experiment. (D) Intracellular Ca 2+ levels after stimulation with SS14 (100 nM) or SS14 (100 nM) + MPS-Phos (1 µM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). (E) Intracellular Ca 2+ levels after stimulation with SOM230 (1 µM) or SOM230 (1 µM) + MPS-Phos (1 µM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). Data are expressed as a ratio of fluorescence intensity (F 1 /F 0 ). (A, B, D, and E) Data show the mean ± SEM from three independent experiments, three replicates per group per experiment. Black arrows indicate the addition of agonists 30 seconds after the start of the experiment. -, no ligand; SOM, SOM230; SS, somatostatin 14.
Glosensor 22f Camp Gene, supplied by Promega, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Promega camp-dependent firefly luciferase glosensor-22f
Effect of anti-G βγ ‒binding peptide on SS analogue signaling. Cells were incubated with (A) membrane potential dye, (B) cAMP <t>GloSensor</t> luciferin, or (C–E) intracellular Ca 2+ dye in the presence or absence of the G protein βγ subunit peptide blocker MPS-phosducin-like protein C-terminus (MPS-Phos, 1 µM). Cells were pretreated with MPS-Phos for 15 minutes at 28°C for cAMP GloSensor experiments or for 15 minutes at 37°C for the other experiments. (A) Hyperpolarization responses after simulation with SS14 (100 nM) or SS14 (100 nM) + MPS-Phos (1 µM). Treatment groups were not significantly different ( P = 0.5; two-tailed t test). (B) Inhibition of NKH477 (10 µM) stimulated cAMP production by SS14 (100 nM) or SOM230 (1 µM) in the absence or presence of MPS-Phos (1 µM). Response of MPS-Phos‒treated groups was not significantly different from that of nontreated groups (two-tailed t test). (C) HEK293-Sstr2A cells were incubated with the FLUO-8 am dye for 45 minutes, washed, and then incubated with the anti- βγ peptide MPS-Phos (2 µM) for 15 minutes. Cells were then treated with saturating concentrations of SS14 (100 nM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). Data are mean ± SEM from two different experiments, three replicates per group per experiment. (D) Intracellular Ca 2+ levels after stimulation with SS14 (100 nM) or SS14 (100 nM) + MPS-Phos (1 µM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). (E) Intracellular Ca 2+ levels after stimulation with SOM230 (1 µM) or SOM230 (1 µM) + MPS-Phos (1 µM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). Data are expressed as a ratio of fluorescence intensity (F 1 /F 0 ). (A, B, D, and E) Data show the mean ± SEM from three independent experiments, three replicates per group per experiment. Black arrows indicate the addition of agonists 30 seconds after the start of the experiment. -, no ligand; SOM, SOM230; SS, somatostatin 14.
Camp Dependent Firefly Luciferase Glosensor 22f, supplied by Promega, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Promega bioluminescent camp reporter glosensor 22 f
Effect of anti-G βγ ‒binding peptide on SS analogue signaling. Cells were incubated with (A) membrane potential dye, (B) cAMP <t>GloSensor</t> luciferin, or (C–E) intracellular Ca 2+ dye in the presence or absence of the G protein βγ subunit peptide blocker MPS-phosducin-like protein C-terminus (MPS-Phos, 1 µM). Cells were pretreated with MPS-Phos for 15 minutes at 28°C for cAMP GloSensor experiments or for 15 minutes at 37°C for the other experiments. (A) Hyperpolarization responses after simulation with SS14 (100 nM) or SS14 (100 nM) + MPS-Phos (1 µM). Treatment groups were not significantly different ( P = 0.5; two-tailed t test). (B) Inhibition of NKH477 (10 µM) stimulated cAMP production by SS14 (100 nM) or SOM230 (1 µM) in the absence or presence of MPS-Phos (1 µM). Response of MPS-Phos‒treated groups was not significantly different from that of nontreated groups (two-tailed t test). (C) HEK293-Sstr2A cells were incubated with the FLUO-8 am dye for 45 minutes, washed, and then incubated with the anti- βγ peptide MPS-Phos (2 µM) for 15 minutes. Cells were then treated with saturating concentrations of SS14 (100 nM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). Data are mean ± SEM from two different experiments, three replicates per group per experiment. (D) Intracellular Ca 2+ levels after stimulation with SS14 (100 nM) or SS14 (100 nM) + MPS-Phos (1 µM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). (E) Intracellular Ca 2+ levels after stimulation with SOM230 (1 µM) or SOM230 (1 µM) + MPS-Phos (1 µM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). Data are expressed as a ratio of fluorescence intensity (F 1 /F 0 ). (A, B, D, and E) Data show the mean ± SEM from three independent experiments, three replicates per group per experiment. Black arrows indicate the addition of agonists 30 seconds after the start of the experiment. -, no ligand; SOM, SOM230; SS, somatostatin 14.
Bioluminescent Camp Reporter Glosensor 22 F, supplied by Promega, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Promega pglosensortm-22f camp camp glosensor tm
Effect of anti-G βγ ‒binding peptide on SS analogue signaling. Cells were incubated with (A) membrane potential dye, (B) cAMP <t>GloSensor</t> luciferin, or (C–E) intracellular Ca 2+ dye in the presence or absence of the G protein βγ subunit peptide blocker MPS-phosducin-like protein C-terminus (MPS-Phos, 1 µM). Cells were pretreated with MPS-Phos for 15 minutes at 28°C for cAMP GloSensor experiments or for 15 minutes at 37°C for the other experiments. (A) Hyperpolarization responses after simulation with SS14 (100 nM) or SS14 (100 nM) + MPS-Phos (1 µM). Treatment groups were not significantly different ( P = 0.5; two-tailed t test). (B) Inhibition of NKH477 (10 µM) stimulated cAMP production by SS14 (100 nM) or SOM230 (1 µM) in the absence or presence of MPS-Phos (1 µM). Response of MPS-Phos‒treated groups was not significantly different from that of nontreated groups (two-tailed t test). (C) HEK293-Sstr2A cells were incubated with the FLUO-8 am dye for 45 minutes, washed, and then incubated with the anti- βγ peptide MPS-Phos (2 µM) for 15 minutes. Cells were then treated with saturating concentrations of SS14 (100 nM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). Data are mean ± SEM from two different experiments, three replicates per group per experiment. (D) Intracellular Ca 2+ levels after stimulation with SS14 (100 nM) or SS14 (100 nM) + MPS-Phos (1 µM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). (E) Intracellular Ca 2+ levels after stimulation with SOM230 (1 µM) or SOM230 (1 µM) + MPS-Phos (1 µM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). Data are expressed as a ratio of fluorescence intensity (F 1 /F 0 ). (A, B, D, and E) Data show the mean ± SEM from three independent experiments, three replicates per group per experiment. Black arrows indicate the addition of agonists 30 seconds after the start of the experiment. -, no ligand; SOM, SOM230; SS, somatostatin 14.
Pglosensortm 22f Camp Camp Glosensor Tm, supplied by Promega, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Promega glosensor 22f camp sensor
( A ) Confocal images showing cell surface expression in mammalian HEK293 cells of 5-HT receptors cloned from S. mansoni ( Sm .5HTR L ), S. haematobium ( Sh. 5HTR) and S. japonicum ( Sj .5HTR) localized by COOH-terminally tagged eGFP. Scalebar, 50 µm. ( B ) Schematic of luminescent cAMP sensor bioassay. cAMP generated by schistosome 5-HTRs (blue) binds the engineered <t>GloSensor</t> luciferase, switching the sensor to a more active conformation resulting in enhanced luminescence output. ( C ) Kinetics of signal following the addition of 5-HT (1 µM) to HEK293 cells co-transfected with luminescent cAMP sensor and individual schistosome 5-HT receptors. Open circles, cells not transfected with 5-HT receptor, colored circles represent measurements in cells transfected with Sm .5HTR L (black), ( Sh. 5HTR (blue) and Sj .5HTR (red). ( D ) Serotonin dose-response curves for each of the three receptors (colored circles) and HEK293 cells expressing the cAMP sensor alone (open circles). Data reflect mean ± standard error of at least 3 biological replicates.
Glosensor 22f Camp Sensor, supplied by Promega, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Promega luminescence camp probe glosensor-22f
Human α-defensin-1 and -5 inhibit PT-mediated effects on cAMP signaling. PT (100 ng/mL) was pre-incubated with 12 µM α-defensin-1, α-defensin-5 or ß-defensin-1, or with the respective amount of solvent (H 2 O) for 15 min at room temperature and then added to iGIST sensor cells for 5 h at 37°C. For further control, cells were treated only with the solvent of PT. Then, inducing medium containing the luciferase substrate for the luminescent biosensor for cAMP was added. After 15 minutes of baseline measurement, cells were spiked with forskolin to activate adenylate cyclase and octreotide acetate to activate Gαi-coupled SSTR2 GPCR. <t>Luminescence</t> was recorded for further 60 minutes. ( a ) cAMP kinetic curves from one representative experiment are shown as mean ± SD (n = 3 from one experiment), con = cells treated only with forskolin (FSK) plus octreotide (Oct). ( b ) Bar graphs show baseline-subtracted area under the curve (AUC) from at least three independent experiments. Values are given as percent of PT-only-treated samples, mean ± SEM (n = at least nine from at least three independent experiments). Values for control samples are identical in both graphs. Results are shown in two separate graphs for better clarity. Significance was tested using one-way ANOVA followed by Dunnett’s multiple comparison test and refers to samples treated with PT only (left graph) or untreated controls (right graph) (** p ≤ 0.01,**** p ≤ 0.0001, ns not significant). ( c ) For control, iGIST sensor cells were treated only with FSK or with PT plus FSK in the absence of Oct to measure the maximal cAMP response in this assay. Values for control samples and samples treated with PT plus FSK and Oct are identical to values in ( a ).
Luminescence Camp Probe Glosensor 22f, supplied by Promega, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Effect of anti-G βγ ‒binding peptide on SS analogue signaling. Cells were incubated with (A) membrane potential dye, (B) cAMP GloSensor luciferin, or (C–E) intracellular Ca 2+ dye in the presence or absence of the G protein βγ subunit peptide blocker MPS-phosducin-like protein C-terminus (MPS-Phos, 1 µM). Cells were pretreated with MPS-Phos for 15 minutes at 28°C for cAMP GloSensor experiments or for 15 minutes at 37°C for the other experiments. (A) Hyperpolarization responses after simulation with SS14 (100 nM) or SS14 (100 nM) + MPS-Phos (1 µM). Treatment groups were not significantly different ( P = 0.5; two-tailed t test). (B) Inhibition of NKH477 (10 µM) stimulated cAMP production by SS14 (100 nM) or SOM230 (1 µM) in the absence or presence of MPS-Phos (1 µM). Response of MPS-Phos‒treated groups was not significantly different from that of nontreated groups (two-tailed t test). (C) HEK293-Sstr2A cells were incubated with the FLUO-8 am dye for 45 minutes, washed, and then incubated with the anti- βγ peptide MPS-Phos (2 µM) for 15 minutes. Cells were then treated with saturating concentrations of SS14 (100 nM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). Data are mean ± SEM from two different experiments, three replicates per group per experiment. (D) Intracellular Ca 2+ levels after stimulation with SS14 (100 nM) or SS14 (100 nM) + MPS-Phos (1 µM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). (E) Intracellular Ca 2+ levels after stimulation with SOM230 (1 µM) or SOM230 (1 µM) + MPS-Phos (1 µM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). Data are expressed as a ratio of fluorescence intensity (F 1 /F 0 ). (A, B, D, and E) Data show the mean ± SEM from three independent experiments, three replicates per group per experiment. Black arrows indicate the addition of agonists 30 seconds after the start of the experiment. -, no ligand; SOM, SOM230; SS, somatostatin 14.

Journal: Journal of the Endocrine Society

Article Title: Real-Time Signaling Assays Demonstrate Somatostatin Agonist Bias for Ion Channel Regulation in Somatotroph Tumor Cells

doi: 10.1210/js.2018-00115

Figure Lengend Snippet: Effect of anti-G βγ ‒binding peptide on SS analogue signaling. Cells were incubated with (A) membrane potential dye, (B) cAMP GloSensor luciferin, or (C–E) intracellular Ca 2+ dye in the presence or absence of the G protein βγ subunit peptide blocker MPS-phosducin-like protein C-terminus (MPS-Phos, 1 µM). Cells were pretreated with MPS-Phos for 15 minutes at 28°C for cAMP GloSensor experiments or for 15 minutes at 37°C for the other experiments. (A) Hyperpolarization responses after simulation with SS14 (100 nM) or SS14 (100 nM) + MPS-Phos (1 µM). Treatment groups were not significantly different ( P = 0.5; two-tailed t test). (B) Inhibition of NKH477 (10 µM) stimulated cAMP production by SS14 (100 nM) or SOM230 (1 µM) in the absence or presence of MPS-Phos (1 µM). Response of MPS-Phos‒treated groups was not significantly different from that of nontreated groups (two-tailed t test). (C) HEK293-Sstr2A cells were incubated with the FLUO-8 am dye for 45 minutes, washed, and then incubated with the anti- βγ peptide MPS-Phos (2 µM) for 15 minutes. Cells were then treated with saturating concentrations of SS14 (100 nM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). Data are mean ± SEM from two different experiments, three replicates per group per experiment. (D) Intracellular Ca 2+ levels after stimulation with SS14 (100 nM) or SS14 (100 nM) + MPS-Phos (1 µM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). (E) Intracellular Ca 2+ levels after stimulation with SOM230 (1 µM) or SOM230 (1 µM) + MPS-Phos (1 µM). The effect of MPS-Phos was significant ( P < 0.0001; two-tailed t test). Data are expressed as a ratio of fluorescence intensity (F 1 /F 0 ). (A, B, D, and E) Data show the mean ± SEM from three independent experiments, three replicates per group per experiment. Black arrows indicate the addition of agonists 30 seconds after the start of the experiment. -, no ligand; SOM, SOM230; SS, somatostatin 14.

Article Snippet: Stable GH12C1 cell lines expressing a cAMP biosensor were created by transfecting the 22F GloSensor cAMP biosensor (Promega) into GH12C1-HA3-rSstr2A clone #35 cells using FuGENE (Promega) and selecting with 200 μg/mL of hygromycin B. Clonal cell lines were isolated by limiting dilution and were screened for biosensor activity.

Techniques: Incubation, Membrane, Two Tailed Test, Inhibition, Fluorescence

( A ) Confocal images showing cell surface expression in mammalian HEK293 cells of 5-HT receptors cloned from S. mansoni ( Sm .5HTR L ), S. haematobium ( Sh. 5HTR) and S. japonicum ( Sj .5HTR) localized by COOH-terminally tagged eGFP. Scalebar, 50 µm. ( B ) Schematic of luminescent cAMP sensor bioassay. cAMP generated by schistosome 5-HTRs (blue) binds the engineered GloSensor luciferase, switching the sensor to a more active conformation resulting in enhanced luminescence output. ( C ) Kinetics of signal following the addition of 5-HT (1 µM) to HEK293 cells co-transfected with luminescent cAMP sensor and individual schistosome 5-HT receptors. Open circles, cells not transfected with 5-HT receptor, colored circles represent measurements in cells transfected with Sm .5HTR L (black), ( Sh. 5HTR (blue) and Sj .5HTR (red). ( D ) Serotonin dose-response curves for each of the three receptors (colored circles) and HEK293 cells expressing the cAMP sensor alone (open circles). Data reflect mean ± standard error of at least 3 biological replicates.

Journal: eLife

Article Title: Coalescing beneficial host and deleterious antiparasitic actions as an antischistosomal strategy

doi: 10.7554/eLife.35755

Figure Lengend Snippet: ( A ) Confocal images showing cell surface expression in mammalian HEK293 cells of 5-HT receptors cloned from S. mansoni ( Sm .5HTR L ), S. haematobium ( Sh. 5HTR) and S. japonicum ( Sj .5HTR) localized by COOH-terminally tagged eGFP. Scalebar, 50 µm. ( B ) Schematic of luminescent cAMP sensor bioassay. cAMP generated by schistosome 5-HTRs (blue) binds the engineered GloSensor luciferase, switching the sensor to a more active conformation resulting in enhanced luminescence output. ( C ) Kinetics of signal following the addition of 5-HT (1 µM) to HEK293 cells co-transfected with luminescent cAMP sensor and individual schistosome 5-HT receptors. Open circles, cells not transfected with 5-HT receptor, colored circles represent measurements in cells transfected with Sm .5HTR L (black), ( Sh. 5HTR (blue) and Sj .5HTR (red). ( D ) Serotonin dose-response curves for each of the three receptors (colored circles) and HEK293 cells expressing the cAMP sensor alone (open circles). Data reflect mean ± standard error of at least 3 biological replicates.

Article Snippet: Commercial assay or kit , GloSensor 22F cAMP sensor , Company , Promega; E2301 , .

Techniques: Expressing, Clone Assay, Bioassay, Generated, Luciferase, Transfection

Journal: eLife

Article Title: Coalescing beneficial host and deleterious antiparasitic actions as an antischistosomal strategy

doi: 10.7554/eLife.35755

Figure Lengend Snippet:

Article Snippet: Commercial assay or kit , GloSensor 22F cAMP sensor , Company , Promega; E2301 , .

Techniques: Recombinant, Software

Human α-defensin-1 and -5 inhibit PT-mediated effects on cAMP signaling. PT (100 ng/mL) was pre-incubated with 12 µM α-defensin-1, α-defensin-5 or ß-defensin-1, or with the respective amount of solvent (H 2 O) for 15 min at room temperature and then added to iGIST sensor cells for 5 h at 37°C. For further control, cells were treated only with the solvent of PT. Then, inducing medium containing the luciferase substrate for the luminescent biosensor for cAMP was added. After 15 minutes of baseline measurement, cells were spiked with forskolin to activate adenylate cyclase and octreotide acetate to activate Gαi-coupled SSTR2 GPCR. Luminescence was recorded for further 60 minutes. ( a ) cAMP kinetic curves from one representative experiment are shown as mean ± SD (n = 3 from one experiment), con = cells treated only with forskolin (FSK) plus octreotide (Oct). ( b ) Bar graphs show baseline-subtracted area under the curve (AUC) from at least three independent experiments. Values are given as percent of PT-only-treated samples, mean ± SEM (n = at least nine from at least three independent experiments). Values for control samples are identical in both graphs. Results are shown in two separate graphs for better clarity. Significance was tested using one-way ANOVA followed by Dunnett’s multiple comparison test and refers to samples treated with PT only (left graph) or untreated controls (right graph) (** p ≤ 0.01,**** p ≤ 0.0001, ns not significant). ( c ) For control, iGIST sensor cells were treated only with FSK or with PT plus FSK in the absence of Oct to measure the maximal cAMP response in this assay. Values for control samples and samples treated with PT plus FSK and Oct are identical to values in ( a ).

Journal: Toxins

Article Title: Human Peptides α-Defensin-1 and -5 Inhibit Pertussis Toxin

doi: 10.3390/toxins13070480

Figure Lengend Snippet: Human α-defensin-1 and -5 inhibit PT-mediated effects on cAMP signaling. PT (100 ng/mL) was pre-incubated with 12 µM α-defensin-1, α-defensin-5 or ß-defensin-1, or with the respective amount of solvent (H 2 O) for 15 min at room temperature and then added to iGIST sensor cells for 5 h at 37°C. For further control, cells were treated only with the solvent of PT. Then, inducing medium containing the luciferase substrate for the luminescent biosensor for cAMP was added. After 15 minutes of baseline measurement, cells were spiked with forskolin to activate adenylate cyclase and octreotide acetate to activate Gαi-coupled SSTR2 GPCR. Luminescence was recorded for further 60 minutes. ( a ) cAMP kinetic curves from one representative experiment are shown as mean ± SD (n = 3 from one experiment), con = cells treated only with forskolin (FSK) plus octreotide (Oct). ( b ) Bar graphs show baseline-subtracted area under the curve (AUC) from at least three independent experiments. Values are given as percent of PT-only-treated samples, mean ± SEM (n = at least nine from at least three independent experiments). Values for control samples are identical in both graphs. Results are shown in two separate graphs for better clarity. Significance was tested using one-way ANOVA followed by Dunnett’s multiple comparison test and refers to samples treated with PT only (left graph) or untreated controls (right graph) (** p ≤ 0.01,**** p ≤ 0.0001, ns not significant). ( c ) For control, iGIST sensor cells were treated only with FSK or with PT plus FSK in the absence of Oct to measure the maximal cAMP response in this assay. Values for control samples and samples treated with PT plus FSK and Oct are identical to values in ( a ).

Article Snippet: HEK293 cells ectopically expressing Gαi-coupled somatostatin receptor 2 (SSTR2) GPCR as well as a luminescence cAMP probe (GloSensor-22F, Promega) were seeded in 96-well plates with white walls and a translucent bottom (View-Plate 96, Perkin Elmer).

Techniques: Incubation, Solvent, Control, Luciferase, Comparison