Related Experiment Video

Updated: Jul 1, 2025

Virus Delivery of CRISPR Guides to the Murine Prostate for Gene Alteration
06:21

Virus Delivery of CRISPR Guides to the Murine Prostate for Gene Alteration

Published on: April 27, 2018

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In vivo genome-wide CRISPR screening identifies CITED2 as a driver of prostate cancer bone metastasis

Juan M Arriaga1,2, Kacey Ronaldson-Bouchard3, Florencia Picech4

  • 1Department of Molecular Pharmacology and Therapeutics, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY, 10032, USA. juan.arriaga@mssm.edu.

Oncogene
|March 7, 2024
PubMed

Insights

Researchers identified CITED2 as a key driver of prostate cancer bone metastasis. This discovery offers new molecular targets for preventing and treating this deadly cancer spread.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cancer Metastasis Research

Background:

  • Metastatic prostate cancer frequently spreads to bone, leading to significant mortality.
  • Limited understanding of molecular drivers hinders effective treatment strategies for bone metastasis.
  • Previous studies identified molecular alterations in prostate cancer metastasis, but their role in bone tropism remains unclear.

Purpose of the Study:

  • To identify novel molecular drivers and suppressors of prostate cancer bone metastasis.
  • To elucidate the functional relevance of molecular alterations in prostate cancer bone tropism.
  • To uncover new therapeutic targets for managing bone metastatic prostate cancer.

Main Methods:

  • Genome-wide CRISPR activation and inhibition screens were employed to identify key genes.
  • Functional validation studies were conducted to confirm identified targets.
  • An innovative organ-on-a-chip invasion platform was utilized to study bone tropism.

Main Results:

  • Multiple genetic drivers and suppressors of prostate cancer metastasis were identified through CRISPR screens.
  • The transcriptional modulator CITED2 was confirmed as a novel driver of prostate cancer bone metastasis.
  • The study uncovered several new potential molecular targets for treating bone metastatic disease.

Conclusions:

  • CITED2 plays a critical role in promoting prostate cancer metastasis to bone.
  • This research provides novel insights into the molecular mechanisms of bone metastasis.
  • The identified targets offer promising avenues for developing future therapeutic interventions for prostate cancer bone metastasis.

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