Abstract:
:Previous investigations have indicated the possibility to circumvent multidrug resistance (MDR) by incorporation of an anthracycline into liposomes. We examined the in vitro cytotoxicity and cellular drug accumulation of the anthracyclines daunorubicin and doxorubicin compared with the commercially available liposomal formulations DaunoXome and Caelyx in human myelogenous leukemia K562 cells. The drug-sensitive parental K562/K line was compared with the P-glykoprotein (P-gp)-expressing cell lines K562/Dnr and K562/Vcr. Two cell lines with reduced levels of topoisomerase II (K562/Nov and K562/Ida) were also included. The cytotoxicity was determined by fluorometric microculture cytotoxicity assay and the cellular drug levels were determined by high performance liquid chromatograghy. There was a strong inverse correlation between P-gp levels and cellular drug accumulation (rho = -0.83, p = 0.04) and cytotoxicity (rho = -0.95, p = 0.01) of daunorubicin. Also the cytotoxicity of DaunoXome and doxorubicin was related to P-gp levels (rho = -0.96, p = 0.01 and rho = -0.90, p = 0.07, respectively). Caelyx did not show any cytotoxic effect due to impaired cellular uptake of the pegylated liposome. Regardless of the P-gp levels of the treated cells, DaunoXome showed the same cytotoxic effect despite lower intracellular accumulation (range 22-47%), compared with conventional daunorubicin.
journal_name
Anticancer Drugsjournal_title
Anti-cancer drugsauthors
Wang Y,Eksborg S,Lewensohn R,Lindberg A,Liliemark Edoi
10.1097/00001813-199911000-00008subject
Has Abstractpub_date
1999-11-01 00:00:00pages
921-8issue
10eissn
0959-4973issn
1473-5741journal_volume
10pub_type
杂志文章abstract::Docetaxel has shown promise for the treatment of hormone-refractory prostate cancer and has become the standard of care. The flare phenomenon is a known entity in androgen-deprivation therapy of advanced prostate cancer and it has also been described in palliative chemotherapy of hormone-refractory prostate cancer. Th...
journal_title:Anti-cancer drugs
pub_type: 杂志文章
doi:10.1097/01.cad.0000231468.69535.97
更新日期:2006-09-01 00:00:00
abstract::The present study aimed to entrap and characterize the morphology and antitumor effects of a dermaseptin (DStomo01) peptide in chitosan nanoparticles, in vitro. DStomo01 nanoparticles showed moderate polydispersivity, excellent colloidal stability, and slow release. It was noted that free DStomo01 induced DNA fragment...
journal_title:Anti-cancer drugs
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doi:10.1097/CAD.0000000000000052
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journal_title:Anti-cancer drugs
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doi:10.1097/CAD.0b013e328362edc5
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journal_title:Anti-cancer drugs
pub_type: 临床试验,杂志文章
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abstract::The aim of this study was to investigate the effect that recombinant interleukin-2 (rIL-2) (0.16 MUI/injection) had on the pharmacokinetics of imatinib (IM) in plasma. In this study, IM was given orally to mice at a dose of 150 mg/kg once a day for 11 days (from day 1 to 11) either alone or in combination with intrape...
journal_title:Anti-cancer drugs
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journal_title:Anti-cancer drugs
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journal_title:Anti-cancer drugs
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journal_title:Anti-cancer drugs
pub_type: 杂志文章,评审
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journal_title:Anti-cancer drugs
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journal_title:Anti-cancer drugs
pub_type: 杂志文章
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journal_title:Anti-cancer drugs
pub_type: 杂志文章
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更新日期:2007-01-01 00:00:00
abstract::Heavy water (deuterium oxide: D2O) contains a neutron and a proton in its hydrogen atoms and shows a variety of biologic activities different from normal light water. In the present study the cytotoxic and cytostatic activity of D2O was assessed using a BALB/c-3T3 fibroblast cell line and four human digestive organ ca...
journal_title:Anti-cancer drugs
pub_type: 杂志文章
doi:10.1097/00001813-199809000-00007
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abstract::Targeted agents such as sunitinib, an oral, multitargeted receptor tyrosine kinase inhibitor, have greatly improved the prognosis for patients with metastatic renal cell carcinoma (mRCC). In this review we analyse data from sunitinib preclinical and clinical studies in detail and consider the key implications for the ...
journal_title:Anti-cancer drugs
pub_type: 杂志文章,评审
doi:10.1097/CAD.0b013e3283442039
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abstract::Imexon is an investigational anti-cancer agent, pharmaceutically formulated as a lyophilized solid for i.v. infusion requiring reconstitution and subsequent dilution in infusion fluid before infusion. Imexon contains a highly reactive aziridine ring in its structure, which limits its stability in aqueous solutions. In...
journal_title:Anti-cancer drugs
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journal_title:Anti-cancer drugs
pub_type: 杂志文章
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更新日期:1990-12-01 00:00:00
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journal_title:Anti-cancer drugs
pub_type: 临床试验,杂志文章
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abstract::Thrombin is a potent mitogen for many tumor cells, suggesting that this enzyme may be involved in tumor genesis and metastasis. Inhibition of thrombin expressed on the surface of tumor cells may improve outcomes in some tumor cases. For this reason, a thrombin inhibitor to be applied in antitumor therapy must have fav...
journal_title:Anti-cancer drugs
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journal_title:Anti-cancer drugs
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journal_title:Anti-cancer drugs
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journal_title:Anti-cancer drugs
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journal_title:Anti-cancer drugs
pub_type: 杂志文章
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journal_title:Anti-cancer drugs
pub_type: 杂志文章,评审
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journal_title:Anti-cancer drugs
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journal_title:Anti-cancer drugs
pub_type: 杂志文章,评审
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journal_title:Anti-cancer drugs
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journal_title:Anti-cancer drugs
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journal_title:Anti-cancer drugs
pub_type: 临床试验,杂志文章,多中心研究
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journal_title:Anti-cancer drugs
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