Emedastine-<wbr/><sup>13</sup>C-d<sub>3</sub> (fumarate)

Emedastine-13C-d3 (fumarate)

CAT N°: 33378
Price:

From 348.00 295.80

Emedastine-13C-d3 is intended for use as an internal standard for the quantification of emedastine (Item No. 23946) by GC- or LC-MS. Emedastine is a histamine H1 receptor antagonist (Ki = 1.3 nM).{38529} It is selective for histamine H1 over H2 and H3 receptors (Kis = 49 and 12.43 µM, respectively), as well as ?1-, ?2-, and ?1-adrenergic and dopamine D1 and D2 receptors, and the serotonin (5-HT) receptor subtypes 5-HT1 and 5-HT2 at 10 µM.{38529,38530} Emedastine inhibits histamine-induced phosphoinositide turnover and intracellular calcium mobilization in primary human conjunctival epithelial cells (HCECs; IC50s = 1.6 and 2.9 nM, respectively).{38531} It also inhibits histamine-stimulated secretion of IL-6, IL-8, and GM-CSF by primary HCECs (IC50s = 2.23, 3.42, and 1.50 nM, respectively).{38532} Ocular application of emedastine prior to histamine challenge inhibits vascular permeability in guinea pigs.{38530} Formulations containing emedastine have been used in the treatment of allergic conjunctivitis.

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