Comparative study on Salmonella mutagenicity and on cytogenetic and antineoplastic effects induced by cyclophosphamide and 3-aminobenzamide in cells of three transplantable tumours in vivo

 
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1995 (EN)
Comparative study on Salmonella mutagenicity and on cytogenetic and antineoplastic effects induced by cyclophosphamide and 3-aminobenzamide in cells of three transplantable tumours in vivo

Mourelatos, Dionysios
Eliopoulos, P.
Dozi-Vassiliades, J.

Synergistically enhanced sister chromatid exchange (SCE) frequency by cyclophosphamide (CP) was observed when L1210 lymphoid tumor cells were exposed in vivo to a non-toxic concentration of 3-aminobenzamide (3-AB). Additive effects in SCE induction in vivo were observed when either Ehrlich ascites tumor (EAT) cells or P388 lymphocytic leukemia cells treated with CP were exposed to 3-AB in vivo. 3-AB enhanced the survival time of L1210 tumor bearing BDF1 mice treated with CP. However, the combined CP plus 3-AB treatment did not increase the survival of either EAT BALB/c- or P388 BDF1-tumor bearing mice compared with the effect on survival by CP alone. Therefore the in vivo differential antitumor effect, by CP in conjunction with 3-AB, appears to correlate well with the in vivo differential effect on cytogenetic damage caused by the combined CP plus 3-AB treatment. In the Salmonella typhimurium/mammalian microsome test CP appears to have a dose dependent ability to induce base-pair substitutions in strains TA 100 and TA 1535 and frameshift mutations in strains TA 98 and TA 1537. Both types of mutation were synergistically increased in the presence of 3-AB.

Article / Άρθρο
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Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (EL)
Aristotle University of Thessaloniki (EN)

2009-07-17T10:01:32Z
1995


Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης, Σχολή Επιστημών Υγείας, Τμήμα Ιατρικής

Mutation Research - Genetic Toxicology, vol.342 [1995] p.141-146 [Published Version]
urn:ISSN:01651218

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