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MicroRNA Detection in Prostate Tumors by Quantitative Real-time PCR qPCR
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ADAMTS-15 Has a Tumor Suppressor Role in Prostate Cancer.

Marley J Binder1, Scott McCoombe1, Elizabeth D Williams2

  • 1School of Medicine, Deakin University, Waurn Ponds, VIC 3216, Australia.

Biomolecules
|May 2, 2020
PubMed
Summary

ADAMTS-15 acts as a tumor suppressor in prostate cancer by cleaving versican (VCAN). Its expression slows tumor growth and increases survival, suggesting new therapeutic strategies.

Keywords:
ADAMTSECMVCANprostate cancertumor suppressorversikine

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Area of Science:

  • Oncology
  • Biochemistry
  • Molecular Biology

Background:

  • Extracellular matrix remodeling is crucial in cancer progression.
  • Proteoglycans like versican (VCAN) and ADAMTS proteases influence cancer development.
  • Dysregulation of VCAN and ADAMTS enzymes is implicated in cancer.

Purpose of the Study:

  • To investigate the role of ADAMTS-15 in human prostate cancer.
  • To determine the effects of ADAMTS-15 expression on prostate cancer cell behavior.
  • To identify potential substrates and mechanisms of ADAMTS-15 action in prostate cancer.

Main Methods:

  • Analysis of ADAMTS-15 expression in prostate cancer biopsies.
  • Enforced expression of wild-type and catalytically-inactive ADAMTS-15 in prostate cancer cell lines (PC3 and LNCaP).
  • In vitro assays for cell proliferation and migration.
  • In vivo tumor growth studies in NOD/SCID mice.

Main Results:

  • ADAMTS-15 is expressed in prostate cancer and co-localizes with VCAN and versikine.
  • Enforced ADAMTS-15 expression reduced proliferation and migration of PC3 cells.
  • ADAMTS-15 expression in LNCaP cells led to slower tumor growth and increased survival in mice, dependent on enzymatic activity and androgen status.

Conclusions:

  • ADAMTS-15 possesses enzymatic activity that suppresses prostate cancer growth.
  • ADAMTS-15 may act in concert with androgens to inhibit prostate cancer.
  • VCAN is a likely substrate, and ADAMTS-15 represents a potential therapeutic target for prostate cancer.