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TY - JOUR
JO - Advances in Clinical and Experimental Medicine
J2 - Adv Clin Exp Med
SN - 1899-5276
PB - Wroclaw Medical University
VL - 25
IS - 5
PY - 2016
ID - Brynychova2016-10-26
TI - Increased Expression of TLR4 and TLR7 but Not Prolactin mRNA by Peripheral Blood Monocytes in Active Celiac Disease
AB - Background. Celiac disease (CD) is an organ-specific autoimmune disease, and both adaptive and innate immunity are involved in its development.Objectives. The aim of the study was to determine whether the markers of intestinal mucosal inflammation in CD can be detected in peripheral blood monocytes (PBMs), and whether the immune properties of PBMs change as the clinical signs and symptoms of CD improve after the introduction of a gluten-free diet (GFD). The focus was on changes in mRNA expression of selected toll-like receptors (TLR2, TLR4, TLR7), stress cytokine prolactin (PRL), and proand anti-inflammatory cytokines (TNF-α, IL-6, IL-12, IL-10) in PBMs.Material and Methods. The study involved 20 CD patients diagnosed according to the European Society for Pediatric Gastroenterology, Hepatology and Nutrition criteria and Marsh criteria: 10 recently-diagnosed cases (rCD) and 10 on a GFD for a minimum of one year. The control group comprised 10 ageand sex-matched healthy volunteers. PBMs from peripheral blood specimens were separated using immunomagnetic CD14+ beads. Total RNA was isolated using a standard commercial kit. Cytokine and TLR mRNA levels were quantified by relative qPCR with PGK1 as a reference gene.Results. Significantly higher expression of TLR4 and TLR7 mRNA was observed in PBMs from rCD patients compared to the healthy controls (1.63 times higher; p < 0.05). TLR7 mRNA levels in rCDs were also significantly elevated in comparison to the CD-GFD patients (2.11 times higher; p < 0.01). TNF-α mRNA expression tended to be higher in both groups of patients; by contrast, in IL-6 mRNA, a trend to a fourfold decrease was detected in PBMs from the CD-GFD subjects. IL-10, IL-12 and PRL levels did not differ among the groups.Conclusion. The data suggest that the inflammatory process in rCD intestinal mucosa and submucosa reflecting enterocyte damage can be detected in PBMs in peripheral blood. Further, the cytokine and TLR expression profile in PBMs alters after one year of GFD treatment.
AU - Brynychova, Iva
AU - Hoffmanova, Iva
AU - Dvorak, Milos
AU - Dankova, Pavlina
SP - 887
EP - 893
DA - 2016-10-26
DO - 10.17219/acem/39940
UR - http://dx.doi.org/10.17219/acem/39940
ER -