Paneth Cell α-Defensins from Rhesus Macaque Small Intestine
نویسندگان
چکیده
منابع مشابه
Microbicidal properties and cytocidal selectivity of rhesus macaque theta defensins.
Rhesus macaque theta-defensins (RTDs) are unique macrocyclic antimicrobial peptides. The three RTDs (RTD 1-3), isolated from macaque leukocytes, have broad-spectrum antimicrobial activities in vitro and share certain structural features with acyclic porcine protegrins, which are microbicidal peptides of the cathelicidin family. To understand the structural features that confer the respective cy...
متن کاملPaneth cell α-defensins and enteric microbiota in health and disease
Antimicrobial peptides are major effectors of innate immunity of multicellular organisms including humans and play a critical role in host defense, and their importance is widely recognized. The epithelium of the intestine is the largest surface area exposed to the outer environment, including pathogens, toxins and foods. The Paneth cell lineage of intestinal epithelial cells produces and secre...
متن کاملDifferential Susceptibility of Bacteria to Mouse Paneth Cell α-Defensins under Anaerobic Conditions
Small intestinal Paneth cells secrete α-defensin peptides, termed cryptdins (Crps) in mice, into the intestinal lumen, where they confer immunity to oral infections and define the composition of the ileal microbiota. In these studies, facultative bacteria maintained under aerobic or anaerobic conditions displayed differential sensitivities to mouse α-defensins under in vitro assay conditions. R...
متن کاملPaneth Cell Granule of Mouse Intestine
The Paneth cell secretion of the mouse intestine has been reported to be an acid mucopolysaccharide-protein complex; tryptophan as well as alpha acylamido carboxyl, amino, and phenolic groups of protein have been localized to the characteristic granules by means of histochemical staining procedures (13). Sulfhydryl and disulfide groups of protein have also been localized to the granule (14). Th...
متن کاملStrain-specific polymorphisms in Paneth cell α-defensins of C57BL/6 mice and evidence of vestigial myeloid α-defensin pseudogenes.
Paneth cells at the base of small intestinal crypts secrete microbicidal α-defensins, termed cryptdins (Crps) in mice, as mediators of innate immunity. Proteomic studies show that five abundant Paneth cell α-defensins in C57BL/6 mice are strain specific in that they have not been identified in other inbred strains of mice. Two C57BL/6-specific peptides are coded for by the Defcr20 and -21 genes...
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ژورنال
عنوان ژورنال: Infection and Immunity
سال: 2004
ISSN: 0019-9567,1098-5522
DOI: 10.1128/iai.72.3.1470-1478.2004