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Targeting cyclin D1 in non-small cell lung cancer and mesothelioma cells by antisense oligonucleotides

Shamsher S Saini1, Mark A Klein

  • 1VA Medical Center, Section of Hematology/Oncology, Primary Care Service Line, Minneapolis, MN 55417, USA.

Anticancer Research
|November 24, 2011
PubMed
Abstract

Insights

Antisense oligonucleotides (ASO) targeting cyclin D1 (CD1) effectively inhibited growth and induced apoptosis in non-small cell lung cancer and mesothelioma cells, showing therapeutic potential.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cancer Therapeutics

Background:

  • Cyclin D1 (CD1) is overexpressed in various cancers.
  • CD1 is a potential target for cancer chemoprevention and therapy.

Purpose of the Study:

  • To evaluate the efficacy of antisense oligonucleotides (ASO) targeting CD1 in non-small cell lung cancer (NSCLC) and mesothelioma.
  • To assess the impact of CD1 ASO on cellular proliferation, apoptosis, and cell cycle protein expression.

Main Methods:

  • Incubation of NSCLC and mesothelioma cells with ASO targeting CD1.
  • Assessment of cellular proliferation and apoptosis (TUNEL assay).
  • Western blot and immunoprecipitation to analyze protein expression and phosphorylation.

Main Results:

  • ASO to CD1 significantly inhibited proliferation in both NSCLC and mesothelioma cells.
  • ASO treatment induced apoptosis.
  • ASO reduced the synthesis of CD1, CD3, and CDK2, and affected their phosphorylation states.

Conclusions:

  • NSCLC and mesothelioma cells are responsive to ASO-mediated growth inhibition.
  • ASO targeting CD1 represents a promising therapeutic strategy for NSCLC and mesothelioma.

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