Author: Jiang, Yun; Lu, Yan; Zhang, Yun-Yi; Chen, Dao-Feng
Title: Anti-complementary constituents of Houttuynia cordata and their targets in complement activation cascade. Cord-id: cto495d9 Document date: 2014_1_1
ID: cto495d9
Snippet: Activity-guided fractionation for complement inhibitors led to the isolation of 23 known compounds from Houttuynia cordata Thunb. Seven flavonoids, two alkaloids, one coumarin and two phenols showed anti-complementary activity. Preliminary inhibitory mechanism of four flavonoids, including quercitrin, afzelin, isoquercitrin and quercetin in the complement activation cascade were examined for the first time. The results indicated that the target components of flavonols are different from those of
Document: Activity-guided fractionation for complement inhibitors led to the isolation of 23 known compounds from Houttuynia cordata Thunb. Seven flavonoids, two alkaloids, one coumarin and two phenols showed anti-complementary activity. Preliminary inhibitory mechanism of four flavonoids, including quercitrin, afzelin, isoquercitrin and quercetin in the complement activation cascade were examined for the first time. The results indicated that the target components of flavonols are different from those of flavonosides, and the glycoside moieties may be necessary to block C3 and C4 components.
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