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Effects on the breast of drugs used in fertility regulation

P Mauvais-Jarvis

    Human Reproduction (Oxford, England)
    |February 1, 1987
    PubMed

    Insights

    Fertility drugs impact breast tissue directly or indirectly, affecting cell growth and hormone receptors. These actions may relate to benign breast conditions and oral contraceptive use.

    Area of Science:

    • Endocrinology
    • Pharmacology
    • Breast Biology

    Background:

    • Fertility-regulating drugs exert diverse effects on breast tissue.
    • Steroids, clomiphene, and gonadotrophins act via direct or indirect mechanisms.
    • Alveolar and ductal systems may exhibit differential responses.

    Purpose of the Study:

    • To investigate the effects of fertility-regulating drugs on breast tissue.
    • To analyze changes in hormone receptor levels in breast tumor tissues.
    • To explore the relationship between drug actions, benign breast disease, and oral contraceptives.

    Main Methods:

    • Analysis of breast tumor tissues from epithelial tissues.
    • Measurement of cytosolic and nuclear receptors for oestradiol-17 beta and progesterone.
    • Assessment of drug-induced effects on cell multiplication and receptor density.

    Main Results:

    • Steroid exposure led to identifiable changes in cell multiplication.
    • Receptor density for oestradiol-17 beta and progesterone was altered.
    • Differential effects were observed on alveolar and ductal systems.

    Conclusions:

    • Fertility drugs, particularly steroids, influence breast tissue by affecting cell proliferation and hormone receptor dynamics.
    • Findings provide insights into the mechanisms underlying benign breast disease and oral contraceptive effects.
    • Further research is warranted to fully elucidate the long-term implications.
    Keywords:
    BiologyBreast Cancer--prevention and controlCancerContraceptionContraceptive Agents, Female--complicationsContraceptive Agents, Progestin--complicationsContraceptive Agents--complicationsDiseasesEndocrine SystemEstradiol--pharmacodynamicsEstrogensFamily PlanningFibroadenosisGenitaliaGenitalia, FemaleHormonesNeoplasmsOvarian EffectsOvaryPhysiologyProgestational HormonesProgesterone--pharmacodynamicsProgestins, Low-dose--complicationsUrogenital System

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