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Uptake of platinum-based anticancer compounds into individual human ovarian andenocarcinoma cells was measured using an X-ray microprobe. The uptake of cisplatin, a platinum-based compound, in drug-resistant cells is decreased by approximately 50% after 24 h, compared with the uptake of the drug in nonresistant cells over the same time period. The Pt103(More)
Deoxyspergualin (DSP) is a potent immunosuppressive drug that is able to both prevent and reverse acute allograft rejection. Although there is good evidence that DSP can inhibit T and B lymphocyte responses, the effect of this drug upon monocyte function is controversial. In the current study, substantial local proliferation of inflammatory macrophages(More)
The putative platinum(IV) anticancer drugs, [Pt{((R)NCH(2))(2)}(py)(2)XY] (X,Y=Cl, R=p-HC(6)F(4) (1a), C(6)F(5) (1b); X,Y=OH, R=p-HC(6)F(4) (2); X=Cl, Y=OH, R=p-HC(6)F(4) (3), py = pyridine) have been prepared by oxidation of the Pt(II) anticancer drugs [Pt{((R)NCH(2))(2)}(py)(2)] (R=p-HC(6)F(4) (4a) or C(6)F(5) (4b)) with PhICl(2) (1a,b), H(2)O(2) (2) and(More)
The preparation of a series of novel Pt(IV) complexes containing the anionic polyfluoroaryl ligands, 2,3,5,6-tetrafluorophenyl (p-HC6F4), 2,3,5,6-tetrafluoro-4-methoxyphenyl (p-MeOC6F4) and pentafluorophenyl (C6F5) are described. The crystal structure of a representative complex, [Pt(p-MeOC6F4)2(O2CEt)2(en)] (en = ethane-1,2-diamine) was determined and(More)
Two series of organoamidoplatinum (II) complexes were synthesized [Class 1, Pt(NRCH2)2L2 and Class 2, Pt(NRCH2CH2NR2′)L(X)] and their antitumour activity examined by a range of in vitro, cellular and animal studies. All Class 1 compounds exhibited activity comparable to cisplatin in mouse leukemia L1210 cells, but were at least 8-fold more active against(More)
New arylbismuth(lll) oxinates, PhBi(MeOx)(2), (p-MeC(6)H(4))Bi(Ox)(2), (p-MeC(6)H(4))Bi(MeOx)(2), (p-ClC(6)H(4))Bi(Ox)(2), and (p-ClC(6)H(4))Bi(MeOx)(2) (Ox(-) = quinolin-8-olate and MeOx(-)=2-methylquinolin-8-olate) have been prepared by reaction of the appropriate diarylbismuth chlorides with Na(Ox) or Na(MeOx) in the presence of 15-crown-5. An X-ray(More)
The [Ph(3)PAu(6-MP)] complex, where 6-MPH is 6-mercaptopurine, is active against the cisplatinresistant cell line, mouse leukaemia L1210/DDP, as is the precursor compound [Ph(3)PAuCl], suggesting that the thiolate is not critical for activity. Against the human cell lines, FaDu (squamous cell carcinoma) and SKOV-3 (ovarian carcinoma), both [Ph(3)PAu(6-MP)](More)
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