Researchers in Denmark have used the malarial protein VAR2CSA to kill selectively cancer cells. Malarial parasites are known to attack the placenta. The researchers, while studying how to protect the placenta from malarial parasites, accidentally stumbled upon a potential cure for cancer.
The following is the sequence of scientific events that led to this serendipitous discovery:
Having succeeded in curing cancer in mice by injecting them with recombinant malarial protein VAR2CSA attached with Diphtheria toxin, the research team is planning to try this novel therapy in human subjects.
Written by Dr. Ashish Patil
Primary Reference
Ali, S., Clausen, T., Agarbaek, M., Nakouzi, N., Dahlback, M., Oo, H., . . . Daugaard, M. (2015). Targeting Human Cancer by a Glycosaminoglycan Binding Malaria Protein. Cancer Cell, 28(4), 500-514.
Additional References
Sinderen, M., Cuman, C., Winship, A., Menkhorst, E., & Dimitriadis, E. (2013). The chrondroitin sulfate proteoglycan (CSPG4) regulates human trophoblast function. Placenta, 34(10), 907-912.
Salanti, A., Dahlback, M., Turner, L., Nielson, M., Barfod, L., Magistrado, P., . . . Theander, T. (2004). Evidence for the Involvement of VAR2CSA in Pregnancy-associated Malaria. Journal of Experimental Medicine, 200(9), 1197-1203.
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