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A-803467 944261-79-4
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C19H16ClNO4 |
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357.79 |
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944261-79-4 |
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Introduction
A-803467 is a selective NaV1.8 channel blocker with IC50 of 8 nM, blocks tetrodotoxin-resistant currents, exhibits >100-fold selectivity against human NaV1.2, NaV1.3, NaV1.5, and NaV1.7.
A-803467 potently blocks recombinant human or rat NaV1.8 channels with IC50 of 8 nM and 45 nM, respectively, at a holding potential of -40 mV. At a resting state, A-803467 also potently blocks human NaV1.8 channels with IC50 of 79 nM. A-803467 blocks tetrodotoxin-resistant (TTX-R) currents in rat dorsal root ganglion neurons in a concentration-dependent manner with IC50 of 140 nM, more potently compared with both mexiletine and lamotrigine with IC50 of >30 μM. A-803467 displays 300- to 1,000-fold higher selectivity for hNaV1.8 over hNaV1.2, hNaV1.3, hNaV1.5, and hNaV1.7 channels with IC50 of 7.38 μM, 2.45 μM, 7.34 μM, and 6.74 μM, respectively. A-803467 shows no significant activity against other channels and receptors expressed in peripheral sensory neurons including TRPV1, P2X2/3, CaV2.2 and KCNQ2/3 channels with IC50 >10 μM. A-803467 also shows no or weak activity against a broad screening panel of cell-surface receptors, ion channels, and enzymes with IC50 of >2 μM. A-803467 at 0.3 μM but not 0.1 μM significantly inhibits the generation of spontaneous and electrically evoked action potentials.
Products for scientific research use only
A-803467 potently blocks recombinant human or rat NaV1.8 channels with IC50 of 8 nM and 45 nM, respectively, at a holding potential of -40 mV. At a resting state, A-803467 also potently blocks human NaV1.8 channels with IC50 of 79 nM. A-803467 blocks tetrodotoxin-resistant (TTX-R) currents in rat dorsal root ganglion neurons in a concentration-dependent manner with IC50 of 140 nM, more potently compared with both mexiletine and lamotrigine with IC50 of >30 μM. A-803467 displays 300- to 1,000-fold higher selectivity for hNaV1.8 over hNaV1.2, hNaV1.3, hNaV1.5, and hNaV1.7 channels with IC50 of 7.38 μM, 2.45 μM, 7.34 μM, and 6.74 μM, respectively. A-803467 shows no significant activity against other channels and receptors expressed in peripheral sensory neurons including TRPV1, P2X2/3, CaV2.2 and KCNQ2/3 channels with IC50 >10 μM. A-803467 also shows no or weak activity against a broad screening panel of cell-surface receptors, ion channels, and enzymes with IC50 of >2 μM. A-803467 at 0.3 μM but not 0.1 μM significantly inhibits the generation of spontaneous and electrically evoked action potentials.
Products for scientific research use only