Tadalafil
Chemical Name: (6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro-2-methylpyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione
Purity: ≥99%
Biological Activity
Tadalafil is a potent and highly selective PDE5 inhibitor (IC50 = 5 nM). Exhibits > 2000-fold selectivity for PDE5 over PDEs 1,2,3 and 4 and 1000-fold selectivity over PDE6. Reduces blood pressure in hypertensive rats. Also delays tumor growth in a mouse model via inhibition of MDSC-mediated immunosuppression. Orally bioavailable.Technical Data
The technical data provided above is for guidance only.
For batch specific data refer to the Certificate of Analysis.
Tocris products are intended for laboratory research use only, unless stated otherwise.
Background References
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The discovery of tadalafil: a novel and highly selective PDE5 inhibitor. 2: 2,3,6,7,12,12a-hexahydropyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione analogues.
Daugan et al.
J.Med.Chem., 2003;46:4533 -
Phosphodiesterase-5 inhibition augments endogenous antitumor immunity by reducing myeloid-derived suppressor cell function.
Serafini et al.
J.Exp.Med., 2006;203:2691
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