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Organotin implications in anticarcinogenesis. Background and thymus involvement

N F Cardarelli, B M Quitter, A Allen

    The Australian Journal of Experimental Biology and Medical Science
    |April 1, 1984
    PubMed

    Insights

    This study suggests organotin compounds may inhibit cancer. Lower tin levels in human tissues correlate with tumor development, while specific organotins reduced tumor growth in mice.

    Area of Science:

    • Oncology
    • Toxicology
    • Biochemistry

    Background:

    • Scientific literature indicates organotin compounds may possess anti-cancer properties.
    • Decreased tin levels in human tissues are potentially linked to tumor development.
    • The thymus gland in mice shows a high concentration of tin and accumulates tri-n-butyltin fluoride (TBTF).

    Purpose of the Study:

    • To investigate the role of tin in normal and cancerous human tissues.
    • To evaluate the effect of organotin compounds on cancer onset and growth.
    • To explore the accumulation of TBTF in mouse tissues and its impact on tumor reduction.

    Main Methods:

    • Comprehensive literature review on tin content in human tissues.
    • Experimental administration of 14C-labelled tri-n-butyltin fluoride (TBTF) to tumor-bearing mice.
    • Monitoring of tumor growth rates in mice treated with TBTF.

    Main Results:

    • Various organotin materials demonstrated inhibition of cancer onset and growth in animal models.
    • Reduced tin content in human tissues may be associated with tumor development.
    • Oral administration of TBTF significantly reduced tumor growth rates in mammary cancer-prone mice.
    • Both mouse mammary tumors and human lung tumors exhibited lower tin concentrations than normal tissues.

    Conclusions:

    • Organotin compounds show potential for cancer retardation.
    • Tin deficiency in human tissues might be a factor in tumor development.
    • TBTF effectively reduced tumor growth in experimental models, warranting further investigation into tin's role in oncology.

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