Serum Insulin-Like Growth Factor-I Is Positively Associated with Serum Prostate-Specific Antigen in Middle-Aged Men without Evidence of Prostate Cancer

  • Steven E. Oliver
  • , Barney Barrass
  • , David J. Gunnell
  • , Jenny L. Donovan
  • , Tim J. Peters
  • , Raj A. Persad
  • , David Gillatt
  • , David E. Neal
  • , Freddie C. Hamdy
  • , Jeff M.P. Holly

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

We have examined the relationship between serum insulin-like growth factor-I (IGF-I) and prostate-specific antigen in 367 healthy men without evidence of prostate cancer and found a positive association (P = 0.05). In men without prostate cancer, serum prostate-specific antigen is closely related to prostate size, and our findings, therefore, suggest that IGF-I may induce prostatic epithelial proliferation. Higher circulating levels of IGF-I have been associated with increased risk of both prostate cancer and possibly benign prostatic hyperplasia. Greater rates of cell proliferation induced by IGF-I may be a key biological pathway underlying these disorders.

Original languageEnglish
Pages (from-to)163-165
Number of pages3
JournalCancer Epidemiology Biomarkers and Prevention
Volume13
Issue number1
DOIs
StatePublished - Jan 2004
Externally publishedYes

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