نتایج جستجو برای: CXCL11
تعداد نتایج: 1072 فیلتر نتایج به سال:
CXCR3 ligands were secreted by tissue fibroblasts and peripheral blood-derived mononuclear leukocytes in response to interferon-gamma (IFN-gamma) and Toll-like receptor (TLR) ligands. Subsequent purification and identification revealed the presence of truncated CXCL11 variants missing up to 6 amino acids. In combination with CD26/dipeptidyl peptidase IV, the metalloprotease aminopeptidase N (AP...
Dipeptidyl peptidase IV (DPP IV/CD26) is a costimulatory molecule as well as a protease highly expressed on T cells. Purified DPP IV has been recognized to inactivate peptide hormones, neuropeptides, and some chemokines by cleavage behind a proline residue at the penultimate N-terminal amino acid position. Here, we identified another substrate for DPP IV among the chemokine family: the interfer...
Background: Celiac Disease (CD) is a T cell-mediated disorder. Recent studies suggest the role of chemokines CXCL10 and CXCL11 to promote the arrival of cells into inflamed tissues and in lymphocytic recruitment in active CD. The aim of this study was to investigate the new specific primer pairs for analysis of human CXCL10 and CXCL11 genes in blood samples of CD patients by Polymerase Chain Re...
IFNs selectively regulate gene expression through several signaling pathways. The present study explored the involvement of STAT3 in the IFN-induced expression of the gene encoding the CXCL11 chemokine. The CXCL11 gene was induced in IFN-sensitive Daudi cells, but not in an IFN-resistant DRST3 subline with a defective STAT3 signaling pathway. Although the IFN-stimulated gene ISG15 was induced t...
A single G protein-coupled receptor (GPCR) can activate multiple signaling cascades based on the binding of different ligands. The biological relevance of this feature in immune regulation has not been evaluated. The chemokine-binding GPCR CXCR3 is preferentially expressed on CD4+ T cells, and canonically binds 3 structurally related chemokines: CXCL9, CXCL10, and CXCL11. Here we have shown tha...
The chemokine receptor CXCR3 is predominantly expressed on activated T and natural killer (NK) cells. CXCR3 and its ligands, CXCL11, CXCL10, and CXCL9, play a major role in T-helper 1 (Th1)-dependent inflammatory responses. CXCL11 is the most dominant physiological inducer of adhesion, migration, and internalization of CXCR3. To study the role of CXCR3 carboxyl-terminus and the third intracellu...
IFN-gamma secreted by a human embryo and trophoblast cells during implantation is suggested to play an important role in implantation and pregnancy. In the present study, we explored expression and possible functions of CXCL11, a CXC chemokine strongly induced by IFN-gamma, and its receptor CXCR3 in the human endometrium. Secreted CXCL11 protein was not detected in cultured endometrial stromal ...
Recent work identified the murine gene homologous to the human T cell attracting chemokine CXC receptor ligand 11 (CXCL11, also termed I-TAC, SCYB11, ss-R1, H174, IP-9). Here, the biological activity and expression patterns of murine CXCL11 relative to CXCL9 (MIG) and CXCL10 (IP-10/crg-2), the other two CXCR3 ligands, were assessed. Calcium mobilization and chemotaxis experiments demonstrated t...
We have armed a tumor-selective oncolytic vaccinia virus (vvDD) with the chemokine (CK) CXCL11, in order to enhance its ability to attract CXCR3+ antitumor CTLs and possibly NK cells to the tumor microenvironment (TME) and improve its therapeutic efficacy. As expected, vvDD-CXCL11 attracted high numbers of tumor-specific T cells to the TME in a murine AB12 mesothelioma model. Intratumoral virus...
The JAK/STAT signaling pathway is suggested to play an important role in the pathogenesis of psoriasis, and recently JAK/STAT inhibitors have shown promising results in psoriasis treatment. The present study aimed to characterize the role of STAT2 in psoriasis. We demonstrated an increased expression of STAT2 and an increased level of phosphorylated/activated STAT2 in lesional compared with non...
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