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Acta bioquímica clínica latinoamericana

versión impresa ISSN 0325-2957

Resumen

PONCE DE LEON, Patricia; FERNANDEZ, Armando; RACCA, Liliana  y  VASCONI, María Delia. Alteration of the erythrocyte aggregation by newborn larvae of Trichinella spiralis. Acta bioquím. clín. latinoam. [online]. 2015, vol.49, n.4, pp.417-423. ISSN 0325-2957.

The aim of this paper was to study the alterations in the erythrocyte aggregation produced by newborn larvae (NL) of T. spiralis. Work was performed with NL concentrates, which were incubated with an equal volume of O Group RBC (Treated RBC) for 2 hours, with and without controlled agitation, taking samples at the initial time, at 60 and 120 minutes. RBC Controls were incubated with equal volume of saline solution. Digital Image Analysis was applied to study the distribution of erythrocyte aggregates and to calculate ICC values, and the Aggregation Titration Technique was used to determine the Title and TSexpC. Two-factor ANOVA was used to analyze the effect of agitation and incubation time on the ICC values. The results showed that at higher treatment time, there was a decrease of isolated cells and small rouleaux and an increase of the aggregates formed by 5 or more cells, with a significant increase of ICC values. Statistical analysis determined that Treated RBC aggregation at 60 minutes was higher than at initial time and that at 120 minutes it was higher than the other two times. Aggregation Titration showed a decrease in the Treated RBC Title and TSexpC. The methodologies employed showed no significant differences in treatments with and without agitation. It is concluded that the decrease in erythrocyte charge produced by NL could cause hemorrheologic alterations in the host.

Palabras clave : Newborn larvae; T. spiralis; Erythrocyte aggregation.

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