期刊
CELLS
卷 12, 期 14, 页码 -出版社
MDPI
DOI: 10.3390/cells12141910
关键词
celiac disease; ILC; intestinal epithelial cells; alarmins; TSLP; IL-33; HMGB1; inflammation; therapeutic strategies
类别
Celiac disease is an intestinal disease triggered by gluten ingestion in genetically predisposed individuals. It is mediated by Th17, IL-21, and IL-17A lymphocytes, resulting in intestinal inflammation and altered mucosal architecture. B cells produce antibodies against tissue transglutaminase and deamidated gliadin. Besides the adaptive immune response, the role of innate immunity cells such as alarmins (DAMPs) is poorly understood. Our study aims to evaluate the evidence regarding the involvement of ILCs and alarmins in celiac disease and their potential diagnostic and therapeutic implications.
Celiac disease (CD) is an intestinal disease that develops in genetically predisposed individuals and is triggered by the ingestion of gluten. CD was considered a Th1-disease. Today, the role of Th17, IL-21, and IL-17A lymphocytes is well known. Inflammation is regulated by the activity of gluten-specific CD4+ T lymphocytes that produce pro-inflammatory cytokines, including IFN-& gamma;, TNF-& alpha;, and IL-21, perpetuating the Th1 response. These cytokines determine an inflammatory state of the small intestine, with consequent epithelial infiltration of lymphocytes and an alteration of the architecture of the duodenal mucosa. B cells produce antibodies against tissue transglutaminase and against deamidated gliadin. Although the role of the adaptive immune response is currently known, the evidence about the role of innate immunity cells is still poorly understood. Epithelial damage determines the release of damage-associated molecular patterns (DAMPs), also known as alarmins. Together with the intestinal epithelial cells and the type 1 innate lymphoid cells (ILC1s), alarmins like TSLP, IL-33, and HMGB1 could have a fundamental role in the genesis and maintenance of inflammation. Our study aims to evaluate the evidence in the literature about the role of ILCs and alarmins in celiac disease, evaluating the possible future diagnostic and therapeutic implications.
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