Biomedical subjects
Publications and source records attributed to A M Costa.
The Authors report a 24 year-old female who presented a linear localized epidermal nevus, from birth. Few months after a diagnosis of HIV infection (ARC WR 4) they observed the flaring-up of psoriasis both on the typical cutaneous sites, and on nevus, which looked like linear psoriasis.
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Cyclosporin A has activity "in vitro" against trypomastigotes of Trypanosoma cruzi. We tried to evaluate, in an "in vitro" model, using variable concentrations in whole blood contaminated with known numbers of parasites and injecting this blood after a two hour incubation period in mice if it was possible to prevent infection. In this model the drug, in the concentrations used, was unable to prevent infection.