PVRL4 (Nectin 4) Is a Receptor for Measles Virus
Author Information
Author(s): Noyce Ryan S., Bondre Daniel G., Ha Michael N., Lin Liang-Tzung, Sisson Gary, Tsao Ming-Sound, Richardson Christopher D.
Primary Institution: Dalhousie University
Hypothesis
The study investigates whether PVRL4 (Nectin 4) serves as a receptor for wild type measles virus.
Conclusion
PVRL4 is identified as a receptor for wild type measles virus, facilitating its infection in various adenocarcinoma cell lines.
Supporting Evidence
- PVRL4 was shown to be highly expressed on the surfaces of susceptible lung, breast, and colon adenocarcinoma cell lines.
- Transfection of non-infectable adenocarcinoma cell lines with PVRL4 rendered them susceptible to measles virus.
- Antibodies and siRNA targeting PVRL4 blocked measles virus infections in cancer cells.
Takeaway
Scientists found that a protein called PVRL4 helps the measles virus enter certain cancer cells, which could help in developing new treatments.
Methodology
The study involved infecting various adenocarcinoma cell lines with measles virus and analyzing receptor expression through microarray and flow cytometry.
Limitations
The study primarily focuses on cancer cell lines, which may not fully represent normal epithelial cell behavior.
Participant Demographics
The study involved human adenocarcinoma cell lines from lung, breast, and colon tissues.
Digital Object Identifier (DOI)
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