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PDDHV is a resiniferatoxin-type phorboid vanilloid with capsaicin-like selectivity for the cloned rat transient receptor potential cation channel subfamily V member 1 (TRPV1), formerly known as vanilloid receptor 1. It induces Ca2+-uptake by rat dorsal root ganglion neurons with an EC50 value of 70 nM. | [Uses]
PDDHV is a calcium absorption inducer and may achieve 45Ca2+ influx by stimulating vanillic acid receptor VR1. PDDHV induces 45Ca2+ uptake (EC50: 70 nM) in rat dorsal root ganglion neurons (expressing native vanilloid receptors) and calcium mobilization (EC50: 125 nM) in VR1-transfected CHO cells. PDDHV also inhibits [3H]-resiniferatoxin (RTX) binding to the dorsal root ganglion membrane in rats[1]. | [References]
[1] Szallasi A, Szabo T, Biro T, et al. Resiniferatoxin‐type phorboid vanilloids display capsaicin‐like selectivity at native vanilloid receptors on rat DRG neurons and at the cloned vanilloid receptor VR1[J]. British journal of pharmacology, 1999, 128(2): 428-434. |
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