منابع مشابه
Innate immunity includes defensins
COMMENTARY We would like to comment on the comprehensive review of Karantanos and Gazouli in Annals of Gastroenterology [1] about genetics and innate immunity in inflammatory bowel disease (IBD). The authors appreciate the important role of innate immune sensing and the production of antimicrobial peptides in maintaining the integrity of the mucosal barrier. Pertinent studies on the subject are...
متن کاملDefensins and Innate Immunity of the Mammalian Small Intestine
The release of gene-encoded antimicrobial peptides by epithelial cells is thought to contribute to innate mucosal immunity. Defensins are a predominant class of such antimicrobial peptides in mammals. These cysteine-rich cationic peptides have antibiotic activity against a wide range of bacteria and other microbes. In the mammalian small intestine, Paneth cells at the base of the crypts of Lieb...
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 کاملCurrent status of defensins and their role in innate and adaptive immunity.
Naturally occurring antimicrobial cationic polypeptides play a major role in innate and adaptive immunity. These polypeptides are found to be either linear and unstructured or structured through disulfide bonds. Among the structured antimicrobial polypeptides, defensins comprise a family of cysteine-rich cationic polypeptides that contribute significantly to host defense against the invasion of...
متن کاملGuardians of the Gut: Enteric Defensins
Enteric defensins likely play a key role in the management of the human microbiome throughout development. The functional and mechanistic diversity of defensins is much greater than was initially thought. Defensin expression and overall Paneth cell physiology likely plays a key role in the development of colitis and other inflammatory or dysbiotic diseases of the gut. As our understanding of en...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 2009
ISSN: 0021-9258
DOI: 10.1074/jbc.m109.050773