Frithjof Bernges

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The effects of the poly(ADP-ribose) polymerase inhibitors 4-amino-1,8-naphthalimide (4-ANI), 6(5H)-phenanthridinone (PHD), 1,5-isoquinolinediol (IQD), 3-aminobenzamide (3-AB) or 4-hydroxyquinazoline (4-HYA) on the cytotoxicity of cisplatin were investigated. The human ovarian tumor cell lines SK-OV-3 and OAW 42 and the rat ovarian tumor cell line O-342 as(More)
Poly(ADP-ribose) polymerase (PARP, EC 2.4.2.30) is a nuclear enzyme possibly involved in DNA base excision repair. The presence of single- or double-strand breaks in DNA stimulates this enzyme to covalently modify acceptor proteins with poly(ADP-ribose) in a reaction that uses NAD+ as substrate. To test the hypothesis that increased PARP activity could(More)
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