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Gr1(+) inflammatory monocytes are required for mucosal resistance to the pathogen Toxoplasma gondii.
TLDR
Findings illustrate the critical importance of inflammatory monocytes as a first line of defense in controlling intestinal pathogens in mice susceptible to oral toxoplasmosis. Expand
Occurrence of midgut perimicrovillar membranes in paraneopteran insect orders with comments on their function and evolutionary significance.
TLDR
The data support the hypothesis that PMM may have originated in the Condylognatha (Paraneopteran taxon including Hemiptera and Thysanoptera) ancestral stock and are associated with plant sap feeding. Expand
Occurrence of nematodes and anthelmintic management of ostrich farms from different Brazilian states: Libyostrongylus douglassii dominates mixed infections.
TLDR
Ostriches were imported to Brazil in the early 1990s without appropriate parasite control leading to a co-importation of parasites, proving that this mixed infection in Brazilian ostrich's farms is common. Expand
Purification and partial characterization of a midgut membrane-bound alpha-glucosidase from Quesada gigas (Hemiptera: Cicadidae).
TLDR
Determination of the spatial distribution of alpha-glucosidases in Q. gigas midgut showed that this activity is not equally distributed between soluble and membrane-bound isoforms, and the role of this enzyme in xylem fluid digestion and its possible involvement in osmoregulation is discussed. Expand
Mycobacteria directly induce cytoskeletal rearrangements for macrophage spreading and polarization through TLR2‐dependent PI3K signaling
TLDR
The obtained data demonstrate that the direct effect of mycobacteria on macrophage shape might be mediated through TLR2‐dependent PI3K activation, and that suppression of these pathways is known to inhibit chemokine secretion by activated macrophages. Expand
Leukocyte ultrastructure, hematological and serum biochemical profiles of ostriches (Struthio camelus).
TLDR
The morphology and ultrastructure of ostrich leukocytes and hematology and biochemical values from birds raised in Brazil will help the diagnosis of specific ostrich pathologies and serve as basic knowledge for studies in immunology and comparative avian pathology. Expand
Biphasic perimicrovillar membrane production following feeding by previously starved Dysdercus peruvianus (Hemiptera: Pyrrhocoridae).
TLDR
It was demonstrated that in the starved condition, the PMM was virtually absent from gut cells, except at the base of the microvilli, but with a maximum of PMM formation seen at 30 h post-feeding. Expand
Toxoplasma gondii partially inhibits nitric oxide production of activated murine macrophages.
TLDR
Results demonstrate that T. gondii infection partially inhibits NO production by murine macrophages, suggesting that a deactivating macrophage mechanism may be used for better survival into phagocytic cells. Expand
Toxoplasma gondii exposes phosphatidylserine inducing a TGF-beta1 autocrine effect orchestrating macrophage evasion.
TLDR
T. gondii mimics the evasion mechanism used by Leishmania amazonensis and also the anti-inflammatory response evoked by apoptotic cells and depends on phosphatidylserine exposure. Expand
Ultrastructural alterations and growth inhibition of Trypanosoma cruzi and Leishmania major induced by Bothrops jararaca venom
TLDR
The data show that B. jararaca venom effectively inhibited the growth of T. cruzi and L. major parasites, probably related to mitochondrial impairment. Expand
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