نتایج جستجو برای: secretory immunoglobulin a siga
تعداد نتایج: 13450885 فیلتر نتایج به سال:
OBJECTIVE Prior research had shown that an additional training session immediately after acute stress increased release of salivary secretory immunoglobin A (sIgA) in a group trained with 5-day Integrative Body-Mind Training (IBMT) in comparison to a control group given the same amount of relaxation training. However, 5 days of training did not influence the basal secretion of sIgA. The current...
The purpose of this study was to determine the effects of a carbohydrate (CHO) and protein (PRO) drink consumed immediately after endurance exercise on saliva antimicrobial proteins known to be important for host defense. Eleven male runners ran for 2 hr at 75% VO2max on 2 occasions and immediately postexercise were provided, in randomized order, either a placebo solution (CON) or a CHO-PRO sol...
This study was aimed to measure the variation of secreted immunoglobulin A's concentration in subjects' saliva as an index of body's immune system reaction after watching aggressive films. Twenty two female students from the University of Tehran participated voluntarily in this study. Participants were randomly allocated in one experimental and one control group. The experimental group watched ...
Many enteropathogenic bacteria target the mammalian gut. The mechanisms protecting the host from infection are poorly understood. We have studied the protective functions of secretory antibodies (sIgA) and the microbiota, using a mouse model for S. typhimurium diarrhea. This pathogen is a common cause of diarrhea in humans world-wide. S. typhimurium (S. tm(att), sseD) causes a self-limiting gut...
We have found that bile is a useful source of secretory IgA (scIgA) which can specifically neutralize influenza virus infectivity. Using purified scIgA, we compared the mechanism of neutralization with that mediated by IgA monomers (prepared from scIgA by differential reduction) and IgG. At 4 degrees C, scIgA prevented the attachment of neutralized virus, while neither monomeric IgA nor IgG had...
The aim of this study was to determine the levels of secretory IgA (SIgA), pH, flow rates, mutans streptococci (MS) and Candida in saliva of children with rampant caries compared to those caries-free. Thirty children (age 62-123 months) were enrolled and divided into two groups: Group I, children with rampant caries, Group II, caries-free children. The average salivary flow rate was measured fr...
Animals are continuously threatened by pathogens entering the body through natural openings. Here we show that in chicken ( Gallus gallus ), secretory IgA (sIgA) protects the epithelia lining these natural cavities. A gene encoding a chicken polymeric Ig receptor ( GG-pIgR ), a key component of sIgA, was identified, and shown to be expressed in the liver, intestine and bursa of Fabricius. All m...
JEM © The Rockefeller University Press $8.00 Vol. 203, No. 1, January 23, 2006 21–26 www.jem.org/cgi/doi/10.1084/jem.20052093 21 One of the most characteristic features of the mucosal immune system of most mammals is the dominant presence of SAbs, particularly secretory IgA (SIgA), an antibody class unique to the mucosae. At least 80% of all Ig-producing plasma cells in the body are found in th...
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