Doxorubicin inhibits oxidation of 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonate) (ABTS) by a lactoperoxidase/H(2)O(2) system by reacting with ABTS-derived radical.
Doxorubicin inhibits oxidation of 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonate) (ABTS) by a lactoperoxidase/H(2)O(2) system by reacting with ABTS-derived radical.
复制标题
Doxorubicin 通过与 ABTS 衍生的自由基反应,抑制乳过氧化物酶/H(2)O(2) 系统对 2,2-azino-bis(3-乙基苯并噻唑啉-6-磺酸盐) (ABTS) 的氧化。
DOI:
10.1016/j.abb.2007.06.027
复制
发表时间:
2007
影响因子:
3.9
通讯作者:
Britigan,BradleyE
中科院分区:
文献类型:
--
作者:
Reszka,KrzysztofJ;Britigan,BradleyE
The effect of doxorubicin on oxidation of 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonate) (ABTS) by lactoperoxidase and hydrogen peroxide has been investigated. It was found that: (1) oxidation of ABTS to its radical cation (ABTS+) is inhibited by doxorubicin as evidenced by its induction of a lag period, duration of which depends on doxorubicin concentration; (2) the inhibition is due to doxorubicin hydroquinone reducing the ABTS+radical (stoichiometry 1: 1.8); (3) concomitant with the ABTS+reduction is oxidation of doxorubicin; only when the doxorubicin concentration decreases to a near zero level, net oxidation of ABTS could be detected; (4) oxidation of doxorubicin leads to its degradation to 3-methoxysalicylic acid and 3-methoxyphthalic acid; (5) the efficacy of doxorubicin to quench ABTS+is similar to the efficacy of p-hydroquinone, glutathione and Trolox C. These observations support the assertion that under certain conditions doxorubicin can function as an antioxidant. They also suggest that interaction of doxorubicin with oxidants may lead to its oxidative degradation.
登录
查看更多内容
DOI:
--
发表时间:
2001
期刊:
European Journal of Biochemistry
影响因子:
--
作者:
T. Brück;R. J. Fielding;M. Symons;P. Harvey
通讯作者:
P. Harvey
影响因子:
2.9
作者:
Reszka,KJ;McCormick,ML;Britigan,BE
通讯作者:
Britigan,BE
影响因子:
4.8
作者:
H. Jenzer;W. Jones;H. Kohler
通讯作者:
H. Kohler
DOI:
--
发表时间:
1975
期刊:
Biochemical and Biophysical Research Communications - BBRC
影响因子:
--
作者:
J. S. Shindler;W. G. Bardsley
通讯作者:
W. G. Bardsley
影响因子:
2.9
作者:
NELSON, DP;KIESOW, LA
通讯作者:
KIESOW, LA