DNA Cleavage Activities of (-)-Epigallocatechin, (-)-Epicatechin, (+)-Catechin, and (-)-Epigallocatechin Gallate with Various Kind of Metal Ions
Fumiko Hayakawa, Takahide Kimura, Nobuo Hoshino, Takashi Ando
Abstract
Fumiko Hayakawa, Takahide Kimura, Nobuo Hoshino, Takashi Ando
Abstract
The DNA cleavage activities of (+)-catechin (C), (-)-epicatechin (EC), (-)-epigallocatechin (EGC), and (-)-epigallocatechin gallate (EGCg) were examined with 16 different metal ions. Cu(2+) with all the catechins facilitated DNA cleavage, while Ag+ with EGC and EC showed a strong repressive effect. The other metal ions examined showed little effect.
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The DNA cleavage activities of (+)-catechin (C), (-)-epicatechin (EC), (-)-epigallocatechin (EGC), and (-)-epigallocatechin gallate (EGCg) were examined with 16 different metal ions. Cu(2+) with all the catechins facilitated DNA cleavage, while Ag+ with EGC and EC showed a strong repressive effect. The other metal ions examined showed little effect.
Key concepts: Catechin, Gallate, Epigallocatechin gallate, Chemistry, Cleavage (geology), Metal, Metal ions in aqueous solution, DNA