Autocrine and paracrine growth regulation of breast cancer: Clinical implications

C. Kent Osborne, Carlos L. Arteaga

Research output: Contribution to journalArticle

82 Citations (Scopus)

Abstract

Research using experimental models of human breast cancer has broadened our understanding of the possible biochemical pathways regulating breast cancer growth. Breast cancer cells express receptors for and respond to a variety of steroid and polypeptide hormones and growth factors. Specific oncogenes are also expressed in breast cancer cells, and levels of expression may relate to tumor growth and aggressiveness. Recent studies have shown that breast cancer cells can even synthesize and secrete various growth factors that could stimulate tumor growth through autocrine and/or paracrine mechanisms. Secretion of some of these growth factors is regulated by estrogen, providing a possible mechanism for estrogen induced growth. Knowledge of these growth regulatory pathways has potentially important clinical implications. Blockade of these pathways offers new possible treatment strategies, much as antiestrogens have been used to inhibit tumor growth. Quantification of the expression of certain oncogenes, growth factor receptors, or the growth factors themselves, may provide prognostic information for the individual patient. Finally, it is plausible that measurement of these tumor products in body fluids might provide tumor markers that are useful in the diagnosis and treatment of breast cancer.

Original languageEnglish (US)
Pages (from-to)3-11
Number of pages9
JournalBreast Cancer Research and Treatment
Volume15
Issue number1
DOIs
StatePublished - Jan 1 1990

Fingerprint

Breast Neoplasms
Intercellular Signaling Peptides and Proteins
Growth
Oncogenes
Neoplasms
Estrogens
Estrogen Receptor Modulators
Growth Factor Receptors
Peptide Hormones
Body Fluids
Tumor Biomarkers
Theoretical Models
Steroids
Therapeutics
Research

Keywords

  • breast cancer
  • estrogen action
  • growth factors
  • growth regulation

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

Cite this

Autocrine and paracrine growth regulation of breast cancer : Clinical implications. / Osborne, C. Kent; Arteaga, Carlos L.

In: Breast Cancer Research and Treatment, Vol. 15, No. 1, 01.01.1990, p. 3-11.

Research output: Contribution to journalArticle

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