Antisense oligonucleotides to class III β-tubulin sensitize drug-resistant cells to Taxol
1999
How Antisense Oligonucleotides Help Overcome Drug Resistance in Cancer
Sample size: 1
publication
Evidence: moderate
Author Information
Author(s): Kavallaris M, Burkhart C A, Horwitz S B
Primary Institution: Albert Einstein College of Medicine
Hypothesis
Does targeting class III β-tubulin with antisense oligonucleotides reduce drug resistance to Taxol in cancer cells?
Conclusion
Targeting class III β-tubulin can increase the sensitivity of drug-resistant cancer cells to Taxol.
Supporting Evidence
- The study found that antisense ODNs reduced Hβ4 mRNA expression by 40-50%.
- A549-T24 cells were 17-fold resistant to Taxol compared to parental A549 cells.
- Immunofluorescence staining showed a decrease in class III protein expression after treatment.
Takeaway
Scientists found a way to make cancer cells that resist a drug called Taxol more sensitive to it by using special molecules that block a specific protein.
Methodology
The study used antisense phosphorothioate oligodeoxynucleotides to reduce Hβ4 gene expression in drug-resistant lung cancer cells.
Statistical Information
P-Value
<0.005
Statistical Significance
p<0.005
Digital Object Identifier (DOI)
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