How the Chagas disease parasite 'activates' its infectious form
The Chagas disease parasite (Trypanosoma cruzi) undergoes a major transformation throughout its life cycle to infect humans and other mammals. It alters the types and amounts of proteins in its body to adapt. The factors that drive this transformation are still poorly understood.
The Chagas disease parasite, Trypanosoma cruzi, undergoes a significant transformation to become infectious in humans and other mammals. The factors behind this transformation remain unclear. A study published in PLOS Pathogens discovered that changes in transfer RNA (tRNA) molecules play a role in this process. tRNAs act as cellular delivery agents, transporting amino acids needed for protein synthesis.
The study identified 170 sites where tRNA modifications occur and found that these sites differ between the noninfectious and infectious forms of T. cruzi. By altering these modifications, researchers were able to influence protein production and the transition between the parasite's life stages. Current treatments for Chagas disease, benznidazole and nifurtimox, are most effective during the early stages of infection and are less effective in the chronic phase.
The research highlights the importance of understanding the parasite's biology to develop new therapeutic strategies.
Written by urgent.news from Medical Xpress's reporting — not their text. Machine-written — may contain errors; check the original before relying on it.
