Comparison of the frequency of chromosome aberrations induced by thiophosphamide in rabbit lymphocytes in vitro and in vivo

Bochkov, N.P.; Stukalov, S.V.; Chebotarev, A.N.

Biulleten' Eksperimental'noi Biologii i Meditsiny 94(8): 90-92


ISSN/ISBN: 0365-9615
PMID: 6812665
Accession: 042626661

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Rabbit lymphocytes were treated with thiophosphamide in vivo and in vitro. In-vitro doses were calculated by multiplying thiophosphamide concentrations by the time of treatment (the doses ranged within 0-1500 mg/min/ml). In-vivo doses were calculated as integral of thiophosphamide concentration function from the time of administration till the time of blood sample collection (the doses ranged within 0-1900 mg/min/ml). It was shown that with the dose increase the rate of chromosome aberrations and the number of disruptions per cell rise exponentially in vivo and in vitro. At the same time the parameters of regression equations coincide. This evidences that thiophosphamide produces the same effect in vivo and in vitro.