Document Detail


Combination antitumor effect with central nervous system depressants on rat ascites hepatomas.
MedLine Citation:
PMID:  7380136     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Combined effect of twenty-one central nervous system depressants with several antitumor agents was studied in the in vitro and in vivo experimental systems, using rat ascites hepatoma call lines, AH13 and AH44, sensitive and insensitive to alkylating agents, respectively. Reserpine remarkably enhanced the cytotoxic effect of 1-(gamma-chloropropyl)-2-chloromethylpiperidine hydrobromide (CAP-2) both on AH13 and AH44 cells. In the in vivo combined experiments, reserpine also synergistically enhanced the life-prolonging effect of CAP-2 on AH13-bearing rats and, although CAP-2 was not potent on the prolongation of life span of AH44-bearing rats and reserpine was also ineffective at the doses examined, the life span of tumor-bearing rats receiving the combined administration was apparently prolonged compared with control groups. Thus, there was a parallelism between in vitro and in vivo experiments. These findings suggested that the antitumor-enhancing effect of reserpine might be due to the direct action on the tumor cells, and a possible mechanism that reserpine inhibited the DNA damage-repairing activity of the cells was contradictory. Other mechanisms are also discussed.
Authors:
R Koshiura; K Miyamoto; F Sanae
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Gann = Gan     Volume:  71     ISSN:  0016-450X     ISO Abbreviation:  Gann     Publication Date:  1980 Feb 
Date Detail:
Created Date:  1980-08-15     Completed Date:  1980-08-15     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  8214471     Medline TA:  Gann     Country:  JAPAN    
Other Details:
Languages:  eng     Pagination:  45-51     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Animals
Antineoplastic Agents / administration & dosage*,  therapeutic use
Caffeine / pharmacology
Cell Line
Cell Membrane Permeability
Central Nervous System Depressants / administration & dosage*,  therapeutic use
Cyclophosphamide / administration & dosage,  therapeutic use
DNA Repair / drug effects
Drug Therapy, Combination
Female
Liver Neoplasms, Experimental / drug therapy*
Mitomycins / administration & dosage,  therapeutic use
Piperidines / administration & dosage*,  pharmacology,  therapeutic use
Rats
Reserpine / administration & dosage*,  therapeutic use
Chemical
Reg. No./Substance:
0/Antineoplastic Agents; 0/Central Nervous System Depressants; 0/Mitomycins; 0/Piperidines; 50-18-0/Cyclophosphamide; 50-55-5/Reserpine; 58-08-2/Caffeine; 81241-79-4/1-(gamma-chloropropyl)-2-chloromethylpiperidine

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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