نتایج جستجو برای: zymosan
تعداد نتایج: 1568 فیلتر نتایج به سال:
As part of our research into the mechanisms of protein wasting and muscle weakness during critical illness, we here investigate various aspects of energy metabolism. Intraperitoneal injection of zymosan in rats leads to an acute phase of critical illness followed by a prolonged recovery phase. Previously we observed low activities of mitochondrial enzymes, reduced protein synthesis rates and lo...
BACKGROUND Chronic granulomatous disease (CGD), an inherited disorder of the NADPH oxidase in which phagocytes are defective in generating superoxide anion and downstream reactive oxidant intermediates (ROIs), is characterized by recurrent bacterial and fungal infections and by excessive inflammation (e.g., inflammatory bowel disease). The mechanisms by which NADPH oxidase regulates inflammatio...
The physical mechanisms that control target-specific responses of human neutrophils to distinct immune threats are poorly understood. Using dual-micropipette manipulation, we have quantified and compared the time courses of neutrophil phagocytosis of two different targets: zymosan (a prominent model of fungal infection), and antibody-coated (Fc) particles. Our single-live-cell/single-target app...
The effects of N-(3,4-dimethoxycinnamoyl)anthranilic acid (N-5') on the release of the slow-reacting substance (SRS) by zymosan- or Ca ionophore-stimulated rat and human alveolar macrophages (AM) were examined in vitro. Disodium cromoglycate (DSCG) was used as a control. N-5' at concentrations of 10(-4)-10(-3) M significantly inhibited the release of SRS from both rat and human AM stimulated by...
Zymosan is frequently used as an activator of granulocytes to study inflammatory responses. We used zymosan as a model to understand the mechanisms involved in intestinal inflammatory diseases, and our special interest was focused on the smooth muscle function. Moreover, we investigated the role of oxidative stress in intestinal pathology after inflammatory processes. Intraperitoneal injection ...
Zymosan is a particulate yeast preparation that elicits high levels of IL-2 and IL-10 from dendritic cells (DC) and engages multiple innate receptors, including the Syk-coupled receptor dectin-1 and the MyD88-coupled receptor TLR2. Here, we show that induction of IL-2 and IL-10 by zymosan requires activation of ERK MAP kinase in murine DC. Surprisingly, ERK activation in response to zymosan is ...
Abstract Purpose Formation of terminal complement complex (TCC), a downstream system activation product inducing inflammatory processes and cell lysis, has been identified in degenerated discs. However, it remains unclear which molecular factors regulate during disc degeneration (DD). This study investigated possible involvement the pro-inflammatory cytokine interleukin-1? (IL-1?) lysosomal pro...
Mastic oil (MO) is extracted from the resin of bark Pistacia lentiscus var. chia, a tree abundantly grown in Greek island Chios. Various biological activities, such as antimicrobial, anticancer and antioxidant, have been associated with dietary intake MO. However, little known about MO’s potential anti-inflammatory effects, while some its main chemical constituents were reported to exert signif...
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