TRAIL-R4 and Its Role in Cervical Cancer Cell Growth
Author Information
Author(s): Lalaoui Najoua, Morlé Aymeric, Mérino Delphine, Jacquemin Guillaume, Iessi Elisabetta, Morizot Alexandre, Shirley Sarah, Robert Bruno, Solary Eric, Garrido Carmen, Micheau Olivier
Primary Institution: U866, INSERM (Institut National de la Santé et de la Recherche Médicale), Dijon, France
Hypothesis
TRAIL-R4 promotes tumor growth and resistance to apoptosis in cervical carcinoma HeLa cells through AKT signaling.
Conclusion
TRAIL-R4 enhances cell survival and proliferation in HeLa cells by activating signaling pathways independent of TRAIL.
Supporting Evidence
- TRAIL-R4 expression in HeLa cells led to increased cell proliferation and tumor growth in nude mice.
- Inhibition of the PI3K/Akt pathway restored TRAIL-mediated apoptosis in TRAIL-R4 expressing cells.
- TRAIL-R4 was shown to activate Akt signaling in a ligand-independent manner.
Takeaway
TRAIL-R4 helps cancer cells grow and survive by turning on a special signal inside the cells, even without the usual trigger.
Methodology
The study involved ectopic expression of TRAIL-R4 in HeLa cells, followed by analysis of cell morphology, proliferation, and tumor growth in vivo.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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