نتایج جستجو برای: zymosan
تعداد نتایج: 1568 فیلتر نتایج به سال:
BACKGROUND Mycotic infections of the bladder produce pain and inflammatory changes. The present study examined the inflammatory and nociceptive effects of the yeast cell wall component, zymosan, when administered into the urinary bladder in order to characterize this form of bladder sensitization. METHODS Parametric analyses of the time-course (0-48 hr) and concentration (0-2% solutions) vari...
Monocyte phagocytosis of pathogens or inflammatory debris leads to chemokine secretion and heralds the influx of leukocytes to the site of injury. Persistent chemokine secretion can lead to tissue damage. However, the mechanisms by which phagocytosis regulates chemokine synthesis remain poorly understood. As a first step, we have studied regulation of interleukin (IL) 8 gene expression after in...
Neutrophil release of NO/ONOO- induces endothelial cell barrier dysfunction in inflammatory acute lung injury (ALI). Previous studies using zymosan-triggered inflammation and ALI model revealed that zymosan promotes inducible NO synthase (iNOS) expression in neutrophils, and that isoflurane inhibits zymosan-induced oxidative stress and iNOS biosynthesis. However, the underlying mechanisms remai...
The role of mast cell degranulation in increased vascular permeability in zymosan-air-pouch inflammation, an experimental model of inflammation induced by zymosan in rats, was investigated. The complement in the inflammatory pouch fluid was exhausted, and mast cells in the pouch wall subcutaneous tissues were degranulated. The histamine level in the pouch fluid was elevated immediately after ap...
The present study investigated the febrile response in zymosan-induced arthritis, as well as the increase in PGE(2) concentration in the cerebrospinal fluid (CSF), along with the effects of antipyretic drugs on these responses in rats. Zymosan intra-articularly injected at the dose of 0.5 mg did not affect the body core temperature (Tc) compared with saline (control), whereas at doses of 1 and ...
Zymosan activates phagocytes through the innate immune system and causes inflammatory responses in animals. Because of the complexity of the active substances included in Zymosan preparations, simplifying the active moiety actually responsible for innate immune recognition is needed. One way to remove possible active substances from commercially available Zymosan preparations is to wash then wi...
Zymosan, the cell wall of Saccharomyces cerevisiae, induces innate immune responses involving prostanoid production and complement activation. However, the roles of prostanoids in zymosan-induced inflammation and their interaction with the complement system remain to be determined. To clarify these issues, we examined zymosan-induced pleurisy in mice lacking receptors for prostaglandin (PG) E(2...
Rheumatoid arthritis (RA) is an inflammatory disease that utilizes nonbiologic and biologic drugs for appropriate management. However, high cost, adverse effects, reduced effectiveness, risk of infection have stimulated the search safer more efficacious therapeutic strategies. In present study, we aimed to evaluate anti-inflammatory analgesic properties eucalyptol in experimental model arthriti...
The effects of dietary zymosan A on the growth performance and histological structure, digestive capacity, microbiota were investigated in Litopenaeus vannamei , an important shrimp species used aquaculture. L. (initial body weight = 0.41 ± 0.05 g) fed diets supplemented with zymosan-A at doses 0 mg/kg (Z0, control), 1 (Z1), 5 (Z5), 25 (Z25), 125 (Z125), or 625 (Z625) for 8 weeks. results showe...
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