نتایج جستجو برای: vincristine
تعداد نتایج: 9725 فیلتر نتایج به سال:
Endophytic fungi isolated from Catharanthus roseus were screened for the production of vincristine and vinblastine. Twenty-two endophytic fungi isolated from various tissues of C. roseus were characterized taxonomically by sequence analysis of the internal transcribed spacer (ITS) region of rDNA and grouped into 10 genera: Alternaria, Aspergillus, Chaetomium, Colletotrichum, Dothideomycetes, Eu...
Bryostatin 1 is a natural product isolated from the marine bryozoan Bugula neritina in 1982 and is currently undergoing evaluation in a number of malignancies. Twenty-five patients with relapsed, low-grade non-Hodgkin's lymphoma or chronic lyphocytic leukemia (CLL) received bryostatin 1 by 72-h continuous infusion every 2 weeks at a dose of 120 microg/m2 per course. Patients who progressed whil...
AIM To improve treatment of inoperable transmissible venereal tumors (TVTs) in dogs. Recently, we showed that TVT is sensitive to intratumoral treatment with interleukin-2 (IL2). In addition it is known that TVT is sensitive to intravenous treatment with vincristine. In the present study we tried to establish the therapeutic effect of intratumoral treatment with vincristine and IL2. PATIENTS ...
Peripheral neuropathies and Wallerian degeneration share a number of pathological features; the most prominent of which is axonal degeneration. We asked whether common pathophysiologic mechanisms are involved in these 2 disorders by directly comparing in vitro models of axonal degeneration after axotomy or exposure to the neurotoxin vincristine. Embryonic rat dorsal root ganglia (DRG) were allo...
Relatively nonmyelotoxic drugs and drug combinations were investigated for their ability to eliminate malignant cells from human bone marrow. In vitro 90% inhibitory concentration (IC90) doses were established on granulocyte macrophage colony-forming units (GM-CFU) in culture of bone marrow by using the GM-CFU assay for the following drugs: 4-hydroperoxycyclophosphamide (4-HC), Adriamycin, L-as...
We have examined the effects of a 24-h exposure to clinically achievable concentrations of adriamycin, melphalan, 5-fluorouracil, and vincristine on the estrogen binding capacity of MCF-7 human breast cancer cells using a whole cell binding assay. Adriamycin (0.018 to 1.8 microM), melphalan (0.1 to 5 microM), 5-fluorouracil (0.077 to 15.4 microM), and vincristine (0.01 to 1 nM) reduce the estro...
Bladder cancer is the second common cancer of the genitourinary system throughout the world and intravesical chemotherapy is usually used to reduce tumour recurrence and progression. Human transitional cell carcinoma (TCC) is an epithelial-like adherent cell line originally established from primary bladder carcinoma. Here we report the effect of mogoltacin, a sesquiterpene coumarin from Ferula ...
Two major classes of plasma membrane proteins that actively extrude a wide range of structurally diverse hydrophobic amphipathic antineoplastic agents from cells, with different mechanisms of action, lead to multidrug resistance. To study the importance of these ATP-binding cassette transporters to the toxicity of cancer chemotherapy agents, we have used mice genetically deficient in both the m...
The present study was designed to investigate the ameliorative potential of Ocimum sanctum and its saponin rich fraction in vincristine-induced peripheral neuropathic pain in rats. Peripheral neuropathy was induced in rats by administration of vincristine sulfate (50 mug/kg i.p.) for 10 consecutive days. The mechanical hyperalgesia, cold allodynia, paw heat hyperalgesia and cold tail hyperalges...
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