- Conference date: 5–6 November 2010
- Location: Florence, (Italy)
Parasitic diseases represent a major public health problems in Latin America, in particular, Chagas disease or American trypanosomiasis, caused by the protozoan parasite Trypanosoma cruzi, infects more than 18 million people in all countries of Latin America. Visible light induces a photochemical reaction, that induces the activation of enzymes used mainly in the respiratory chain, and that light has the primary targets lysosomes and mitochondria of cells, increasing, the mitochondrial ATP production. The purpose of this study was to assess the morpho‐structural generated in the epimastigote form of Trypanosoma cruzi, after irradiation with a semiconductor laser InGaAlP, at a wavelength (λ) equal to 40 mW optical Power, emitting red light in the visible spectrum, with a dose of in continuous mode. Then the parasites that have undergone irradiation were analyzed by optical microscopy and compared to untreated. It found the increase in size of the kinetoplast (structure with high concentration of extracellular DNA‐kDNA, whose main function is to encode the respiratory chain enzymes such as ATPase and citocromoxidase), the cell nucleus and the cell volume of the parasite, leaving the more rounded.
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