Related Experiment Video

Updated: Jun 10, 2026

Enhancement of Apoptotic and Autophagic Induction by a Novel Synthetic C-1 Analogue of 7-deoxypancratistatin in Human Breast Adenocarcinoma and Neuroblastoma Cells with Tamoxifen
19:44

Enhancement of Apoptotic and Autophagic Induction by a Novel Synthetic C-1 Analogue of 7-deoxypancratistatin in Human Breast Adenocarcinoma and Neuroblastoma Cells with Tamoxifen

Published on: May 30, 2012

Effects of titanocene dichloride derivatives on prostate cancer cells, specifically DNA damage-induced apoptosis

Sandra Cuffe1, Catherine M Dowling, James Claffey

  • 1UCD School of Medicine and Medical Science, UCD Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, Dublin, Ireland. sandra.cuffe@ucd.ie

The Prostate
|July 29, 2010
PubMed
Abstract

Insights

Novel titanocene dichloride derivatives show promise for treating advanced prostate cancer by inducing apoptosis and DNA damage. These compounds offer a potential new therapeutic avenue for castrate-resistant prostate cancer, a condition with limited treatment options.

Area of Science:

  • Oncology
  • Medicinal Chemistry
  • Molecular Biology

Background:

  • Advanced prostate cancer often becomes resistant to androgen ablation therapy.
  • Castrate-resistant prostate cancer (CRPC) currently has limited effective treatment options, with Docetaxel offering only a marginal survival benefit.
  • Investigating novel therapeutic agents is crucial for improving outcomes in CRPC.

Purpose of the Study:

  • To investigate the effects of novel titanocene dichloride derivatives on prostate cancer cell lines.
  • To elucidate the mechanism of action of these titanocene analogs in cancer cells.
  • To assess their potential as treatments for castrate-independent advanced prostate cancer.

Main Methods:

  • Cellular effects evaluated using crystal violet and clonogenic survival assays.
  • Cell cycle progression and apoptosis assessed via propidium iodide staining.
  • DNA damage analyzed by comet assay and Western blot; DNA damage response inhibition studied using ATM/ATR and DNA-PK inhibitors.

Main Results:

  • Titanocene Y and C analogs significantly reduced prostate cancer cell numbers and clonogenic survival.
  • Titanocene analogs induced apoptosis in a dose-dependent manner without affecting cell cycle.
  • These compounds associate with DNA, induce DNA damage, and trigger a differential DNA damage response; inhibiting this response sensitized resistant cells.

Conclusions:

  • Novel titanocene dichloride analogs demonstrate a clear mechanism of action against prostate cancer cells.
  • These compounds induce DNA damage and apoptosis, presenting potential as a new therapeutic strategy for advanced prostate cancer.
  • The findings support the potential utility of these titanocene derivatives in treating castrate-resistant prostate cancer.

More Related Videos

Generation of Prostate Cancer Cell Models of Resistance to the Anti-mitotic Agent Docetaxel06:44

Generation of Prostate Cancer Cell Models of Resistance to the Anti-mitotic Agent Docetaxel

Published on: September 8, 2017

Anticancer Metal Complexes: Synthesis and Cytotoxicity Evaluation by the MTT Assay11:14

Anticancer Metal Complexes: Synthesis and Cytotoxicity Evaluation by the MTT Assay

Published on: November 10, 2013

Related Concept Videos

Mutagenicity and Carcinogenicity01:25

Mutagenicity and Carcinogenicity

Mutagenicity and carcinogenicity refer to the ability of drugs to cause genetic defects and induce cancer, respectively. The International Agency for Research on Cancer (IARC) classifies agents into four groups based on their carcinogenic potential. Group 1 agents are known human carcinogens; group 2A agents are probably carcinogenic to humans; group 3 agents lack data to support their role in carcinogenesis; and group 4 includes agents for which data support that they are not likely to be...
DNA Damage Can Stall the Cell Cycle02:36

DNA Damage Can Stall the Cell Cycle

In response to DNA damage, cells can pause the cell cycle to assess and repair the breaks. However, the cell must check the DNA at certain critical stages during the cell cycle. If the cell cycle pauses before DNA replication, the cells will contain twice the amount of DNA. On the other hand, if cells arrest after DNA replication but before mitosis, they will contain four times the normal amount of DNA. With a host of specialized proteins at their disposal,cells must use the right protein at...
DNA Damage can Stall the Cell Cycle02:36

DNA Damage can Stall the Cell Cycle

In response to DNA damage, cells can pause the cell cycle to assess and repair the breaks. However, the cell must check the DNA at certain critical stages during the cell cycle. If the cell cycle pauses before DNA replication, the cells will contain twice the amount of DNA. On the other hand, if cells arrest after DNA replication but before mitosis, they will contain four times the normal amount of DNA. With a host of specialized proteins at their disposal,cells must use the right protein at...