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J Steroid Biochem Mol Biol. 1992 Mar;41(3-8):389-400.

Regulation of tumor-host interactions in breast cancer.

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Vincent T. Lombardi Cancer Research Center, Georgetown University Medical Center, Washington, DC 20007.


Breast cancer has a striking dependence upon steroid and other endocrine hormones in its onset, regulation, and malignant progression to its most deadly forms. The epithelium of the normal mammary gland is also regulated by the ovarian endocrine steroids estrogen and progesterone, by other endocrine hormones, and by poorly defined influences of the stromal cells and basement membrane. The onset and development of cancer appears to involve tumor misinterpretation of and/or desensitization to host regulatory signals, and finally to releasing its own hormonal signal to reorganize the host for its own benefit. Current studies are beginning to examine mediators of tumor-host interaction and their regulation by steroid hormones. Important tumor-host interactions under investigation include desmoplasia, angiogenesis, metastases and immunosuppression.

[Indexed for MEDLINE]

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