EVIDENCE OF ALTERED SECONDARY LYMPHOID-TISSUE CHEMOKINE RESPONSIVENESS IN BALB/C MICE INFECTED WITH SCHISTOSOMA MANSONI

RA Kurt, MS Brault, B Fried - Journal of Parasitology, 2003 - meridian.allenpress.com
RA Kurt, MS Brault, B Fried
Journal of Parasitology, 2003meridian.allenpress.com
To determine the extent to which splenic T cells were affected by Schistosoma mansoni
infection, we investigated the ability of the T cells to produce interferon (IFN)-γ, as well as
their chemotactic ability 7 wk PI. In this study, we report that splenic T cells from Balb/c mice
with S. mansoni infections were capable of producing levels of IFN-γ comparable with
splenic T cells from naive mice. However, the T cells exhibited altered chemotactic activity,
as evidenced by an inability to respond to secondary lymphoid-tissue chemokine …
To determine the extent to which splenic T cells were affected by Schistosoma mansoni infection, we investigated the ability of the T cells to produce interferon (IFN)-γ, as well as their chemotactic ability 7 wk PI. In this study, we report that splenic T cells from Balb/c mice with S. mansoni infections were capable of producing levels of IFN-γ comparable with splenic T cells from naive mice. However, the T cells exhibited altered chemotactic activity, as evidenced by an inability to respond to secondary lymphoid-tissue chemokine (SLC/CCL21). Although no difference in chemokine expression was found between the spleens of infected versus control mice, chemokine production was greater in the livers of infected versus control mice. Collectively, these data indicate that Balb/c mice with 7-wk S. mansoni infection possess splenic T cells with altered chemotactic activity and that the alterations may be a consequence of the granulomatous response in the liver.
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