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编 号:F114409
分子式:C31H32N4O3
分子量:508.61
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生物活性:
PD 123319 (ditrifluoroacetate) is a potent, selective AT2 angiotensin II receptor antagonist with IC50 of 34 nM.

体外研究:
PD 123319 is shown to discriminate between two subclasses of AII receptors in many different tissues.?125I-AII specifically label two classes of binding sites for AII in a membrane preparation of bovine adrenal glomerulosa cells. The first class (DuP-753 sensitive) represents approximately 85% of the total binding sites for AII and possesses a high affinity (IC50 of 92.9 nM) for DuP-753. PD-123319 does not have any effect on?125I-AII binding to this site. The second class of binding sites is more sensitive to PD-123319, with an IC50 of 6.9 nM, and has a much lower affinity for DuP-753 (IC50 around 10 microM).?
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