ALINE ZAMBONI MACHADO / USPFar from its normal home in the venom of the pit viper (Bothrops alternatus), a protein finds a resting place where can linger. Marked red, alternagin-C binds to the abundant receptors found on the surface of tumor cells in the cervix, the nuclei of which appear blue, and may serve as a telltale sign of cancer. That is the intent of researchers at the Center for Structural Biotechnology (CBME), in São Carlos, interior of São Paulo state.
Photo submitted by Heloisa Sobreiro Selistre de Araújo CBME and the Federal University of São Carlos.
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