Carcinoma Matrix Controls Resistance to Cisplatin through Talin Regulation of NF-kB
Author Information
Author(s): Eberle Karen E., Sansing Hope A., Szaniszlo Peter, Resto Vicente A., Berrier Allison L.
Primary Institution: Department of Oral and Craniofacial Biology, School of Dentistry, Louisiana State University Health Sciences Center-New Orleans
Hypothesis
Does the adhesion to carcinoma matrix influence the response of oral carcinoma cells to cisplatin?
Conclusion
Adhesion to carcinoma matrix enhances the proliferation of oral carcinoma cells in response to cisplatin through integrin β1, talin, and NF-kB signaling.
Supporting Evidence
- Adhesion to carcinoma matrix was shown to support tumor cell proliferation in response to cisplatin.
- Integrin β1 was identified as important for adhesion to carcinoma matrix.
- Disruption of talin expression increased cisplatin-induced proliferation in HN12 cells.
- Pharmacological inhibition of NF-kB reduced proliferation of talin-deficient HN12 cells treated with cisplatin.
Takeaway
This study found that when cancer cells stick to a special matrix, they can grow even when treated with a chemotherapy drug called cisplatin.
Methodology
The study used oral carcinoma cell lines and assessed their proliferation in response to cisplatin treatment while adhering to different matrices.
Limitations
The specific components of the carcinoma matrix that mediate the response to cisplatin were not identified.
Statistical Information
P-Value
p=0.001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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