Survey of cytotoxicities and antimutagenic and antitumor initiating activities of Cu(II)(3,5-diisopropylsalicylate)2 and its analogs in a keratinocyte-mediated mutation assay and the murine skin multistage carcinogenesis model.
Survey of cytotoxicities and antimutagenic and antitumor initiating activities of Cu(II)(3,5-diisopropylsalicylate)2 and its analogs in a keratinocyte-mediated mutation assay and the murine skin multistage carcinogenesis model.
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Cu(II)(3,5-二异丙基水杨酸酯)2 及其类似物在角质形成细胞介导的突变测定和小鼠皮肤多阶段癌变模型中的细胞毒性、抗突变和抗肿瘤起始活性的调查。
DOI:
10.1093/carcin/9.4.629
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发表时间:
1988
期刊:
影响因子:
4.7
通讯作者:
Colby,AB
中科院分区:
文献类型:
--
作者:
ReinersJr,JJ;Colby,AB
A keratinocyte-mediated mutagenesis assay, and the murine skin multistage carcinogenesis tumor model were used to survey the chemopreventive properties of Cu(II)(3,5-diiso-propylsalicylate)2[CuDIPS] and its analogs. Supplementation of cocultures of newborn SENCAR keratinocytes and Chinese hamster lung fibroblasts (V79 cells) with CuDIPS, 3,5-diisopropylsalicylate (DIPS), and CuSO4resulted in dose-dependent killings of V79 cells (LD50of 34, 75, 960 μM, respectively), and inhibitions of benzo [a]pyrene (BP) and 7,12-dimethylbenz[a]anthracene (DMBA) mutagenesis (ED50of 13, 95, 80 μM, and 40, 125, 110μM, respectively). Analyses of dose-response curvessuggest (i) CuDIPS preferentially in hibits BP mutagenesis; (ii) the antimutagemc activity of CuDIPS towards DMBA and the cytotoxicity of the copper complex are derived from the DIPS component of the chelate; (iii) the antimutagenic activity of CuDIPS towards BP requires both copper and DIPS; and (iv) DIPS and CuDIPS induced cytotoxicity is required for inhibition of mutagenesis. Inhibition of mutagenesis by CuDIPS was not mediated by modulation of promutagen metabolism because antimutagenic concentrations of the chelate had no significant effects on DMBA- and BP-dependent cytotoxicities. Topical pretreatment of SENCAR mice with CuDIPS (100–4000 nmol) 15 mm prior to initiation with DMBA or BP resulted in small (38% maximum) non-dose-responsive reductions of papillomas/mouse following 20 weeks of promotion.
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DOI:
10.1084/jem.157.5.1687
发表时间:
1983
期刊:
The Journal of experimental medicine
影响因子:
--
作者:
Groner,JP;Watson,AJ;Bach,FH
通讯作者:
Bach,FH
影响因子:
6.2
作者:
A. Amar;S. Holbeck;G. Nepom
通讯作者:
G. Nepom
DOI:
--
发表时间:
1986
期刊:
The Lancet
影响因子:
--
作者:
G. Nepom;S. Holbeck;C. Seyfried;K. Wilske;B. Nepom
通讯作者:
B. Nepom
影响因子:
4.4
作者:
S. Holbeck;S. J. Kim;J. Silver;J. Hansen;G. Nepom
通讯作者:
G. Nepom
影响因子:
--
作者:
Karr,RW;Rodey,GE;Lee,T;Schwartz,BD
通讯作者:
Schwartz,BD