Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Editor

Personal info

View

About

Terms

Javascript disabled

Please enable Javascript support in your browser to use this application.

Instructions on how to enable JavaScript on different browsers can be found here: http://www.google.com/support/bin/answer.py?answer=23852.

[edit this page]

Chen, S.M. et al.

Inhibition of human telomerase reverse transcriptase in hep-2 cells using short hairpin RNA expression vectors.

OBJECTIVE: Telomerase activity is mainly regulated by the human telomerase reverse transcriptase (hTERT) gene. Our objective was to investigate the effect of short hairpin RNA (shRNA) on hTERT expression and telomerase activity in laryngeal cancer cells. DESIGN: Short hairpin RNA expression vectors targeting the messenger RNA of hTERT were constructed. Cells were treated with shRNA expression vectors directed against 2 different hTERT sites, control vectors that included mismatched shRNA and those without shRNA. The expression of hTERT was determined by reverse-transcriptase polymerase chain reaction and Western blotting. The activity of telomerase was measured by telomeric repeated amplification enzyme-linked immunosorbent assay. The cell viability was examined using the 3-(4,5-dimethyl thizol-2-yl) 2,5-diphenyl tetrazolium bromide assay. RESULTS: We found that treatment of shRNA expression vectors induced a significant decrease in hTERT messenger RNA expression, the level of hTERT protein, telomerase activity, and cell viability. All of these effects were seen regardless of the target site, and the shRNA control showed none of these effects. CONCLUSION: Our results suggest that shRNA directed against hTERT inhibits telomerase activity through suppression of the hTERT expression in laryngeal cancer cells and that RNA interfering technology may be a promising strategy for the treatment of laryngeal cancers.[1]

References

Inhibition of human telomerase reverse transcriptase in hep-2 cells using short hairpin RNA expression vectors. Chen, S.M., Tao, Z.Z., Hua, Q.Q., Liu, D., Chi, H.M., Cai, Q. Arch. Otolaryngol. Head Neck Surg. (2006) [Pubmed]

Annotations and hyperlinks in this abstract are from individual authors of WikiGenes or automatically generated by the WikiGenes Data Mining Engine. The abstract is from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.About WikiGenes Open Access Licence Privacy Policy Terms of Use apsburg

The world's first wiki where authorship really matters (Nature Genetics, 2008). Due credit and reputation for authors. Imagine a global collaborative knowledge base for original thoughts. Search thousands of articles and collaborate with scientists around the globe.