Synergistic effect of peplomycin in combination with bleomycin on L5178y mouse lymphoma cells in vivo. 1984

W E Müller, and R K Zahn, and A Maidhof, and H C Schröder, and M Bachmann, and H Umezawa

Studying the treatment of NMRI mice with ip injections of bleomycin (BLM) for 5 days we found an approximate LD50 of 35 mg/kg; the toxicity of peplomycin (PEP) was slightly higher (LD50: approximately 25 mg/kg). The effect of the two drugs on growth of L5178y mouse lymphoma cells in NMRI mice was examined. BLM alone caused at a concentration of 2.5 mg/kg an almost complete inhibition of tumor cell growth; the same effect was determined with 1 mg PEP/kg. At these concentrations the drugs caused an increase of the survival time of 110% (BLM) or 104% (PEP). Given in combination, one-sixth of the optimal doses yielded an 100% increase of the median survival time. These results indicate a significant synergistic activity of the PEP-BLM combination on L5178y cell growth in vivo (FIC index: 0.34).

UI MeSH Term Description Entries
D007940 Leukemia L5178 An experimental lymphocytic leukemia of mice. Lymphoma L5178,L5178, Leukemia,L5178, Lymphoma
D007942 Leukemia, Experimental Leukemia induced experimentally in animals by exposure to leukemogenic agents, such as VIRUSES; RADIATION; or by TRANSPLANTATION of leukemic tissues. Experimental Leukemia,Experimental Leukemias,Leukemia Model, Animal,Leukemias, Experimental,Animal Leukemia Model,Animal Leukemia Models,Leukemia Models, Animal
D008297 Male Males
D001761 Bleomycin A complex of related glycopeptide antibiotics from Streptomyces verticillus consisting of bleomycin A2 and B2. It inhibits DNA metabolism and is used as an antineoplastic, especially for solid tumors. BLEO-cell,Blanoxan,Blenoxane,Bleolem,Bleomicina,Bleomycin A(2),Bleomycin A2,Bleomycin B(2),Bleomycin B2,Bleomycin Sulfate,Bleomycins,Bleomycinum Mack,Bléomycine Bellon,BLEO cell,BLEOcell,Bellon, Bléomycine,Mack, Bleomycinum,Sulfate, Bleomycin
D002470 Cell Survival The span of viability of a cell characterized by the capacity to perform certain functions such as metabolism, growth, reproduction, some form of responsiveness, and adaptability. Cell Viability,Cell Viabilities,Survival, Cell,Viabilities, Cell,Viability, Cell
D004357 Drug Synergism The action of a drug in promoting or enhancing the effectiveness of another drug. Drug Potentiation,Drug Augmentation,Augmentation, Drug,Augmentations, Drug,Drug Augmentations,Drug Potentiations,Drug Synergisms,Potentiation, Drug,Potentiations, Drug,Synergism, Drug,Synergisms, Drug
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000971 Antineoplastic Combined Chemotherapy Protocols The use of two or more chemicals simultaneously or sequentially in the drug therapy of neoplasms. The drugs need not be in the same dosage form. Anticancer Drug Combinations,Antineoplastic Agents, Combined,Antineoplastic Chemotherapy Protocols,Antineoplastic Drug Combinations,Cancer Chemotherapy Protocols,Chemotherapy Protocols, Antineoplastic,Drug Combinations, Antineoplastic,Antineoplastic Combined Chemotherapy Regimens,Combined Antineoplastic Agents,Agent, Combined Antineoplastic,Agents, Combined Antineoplastic,Anticancer Drug Combination,Antineoplastic Agent, Combined,Antineoplastic Chemotherapy Protocol,Antineoplastic Drug Combination,Cancer Chemotherapy Protocol,Chemotherapy Protocol, Antineoplastic,Chemotherapy Protocol, Cancer,Chemotherapy Protocols, Cancer,Combinations, Antineoplastic Drug,Combined Antineoplastic Agent,Drug Combination, Anticancer,Drug Combination, Antineoplastic,Drug Combinations, Anticancer,Protocol, Antineoplastic Chemotherapy,Protocol, Cancer Chemotherapy,Protocols, Antineoplastic Chemotherapy,Protocols, Cancer Chemotherapy
D017663 Peplomycin An antineoplastic agent derived from BLEOMYCIN. Pepleomycin,NK-631,Peplomycin Sulfate,Peplomycin Sulfate (1:1),NK 631,NK631,Sulfate, Peplomycin
D051379 Mice The common name for the genus Mus. Mice, House,Mus,Mus musculus,Mice, Laboratory,Mouse,Mouse, House,Mouse, Laboratory,Mouse, Swiss,Mus domesticus,Mus musculus domesticus,Swiss Mice,House Mice,House Mouse,Laboratory Mice,Laboratory Mouse,Mice, Swiss,Swiss Mouse,domesticus, Mus musculus

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