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miRNA Expression Analyses in Prostate Cancer Clinical Tissues
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Is Zinc Accumulation Increased in Hyperplastic Compared to Normal Prostate Tissue.

Tomislav Pejčić1,2, Biljana Dojčinović3, Milica Zeković4

  • 1Faculty of Medicine, University of Belgrade, dr Subotića 8, 11000 Belgrade, Serbia.

International Journal of Molecular Sciences
|February 13, 2026
PubMed
Summary
This summary is machine-generated.

Zinc levels increase in the prostate transitional zone with prostate enlargement, particularly in benign prostatic hyperplasia (BPH). However, this study found no direct correlation between zinc and intraprostatic androgens.

Keywords:
ICP-OESbenign prostatic hyperplasiadihydrotestosteronetestosteronezinc

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Area of Science:

  • Urology
  • Biochemistry
  • Men's Health

Background:

  • Zinc is abundant in prostatic cells, crucial for seminal fluid citrate production.
  • Intraprostatic zinc accumulation rises with benign prostatic hyperplasia (BPH) development.
  • BPH is a prevalent condition affecting men over 50.

Purpose of the Study:

  • To analyze mineral and androgen concentrations in the prostate transitional zone (TZ).
  • To investigate relationships between mineral content, prostate volume, and intraprostatic androgens.

Main Methods:

  • Inductively coupled plasma optical emission spectrometry (ICP-OES) for mineral analysis (Zn, Ca, Cu, K, Mg, Mn, Na).
  • Liquid chromatography-mass spectrometry (LC-MS) for testosterone (T) and dihydrotestosterone (DHT) quantification.
  • Group-wise and correlation analyses were performed.

Main Results:

  • A trend of increasing zinc concentrations in TZ tissue correlated with prostate volume was observed.
  • Other analyzed elements showed varied covariance patterns.
  • Elevated intraprostatic hormone levels in larger prostates did not consistently correlate with elemental concentrations.

Conclusions:

  • Prostate tissue zinc levels show a volume-dependent increase, but this observational study cannot confirm a link with androgens.
  • Further interventional studies are needed to evaluate potential clinical implications of these findings for BPH.