ArticleClinical and experimental immunology2010
Immune receptor expressed on myeloid cells 1 (IREM-1) inhibits B cell activation factor (BAFF)-mediated inflammatory regulation of THP-1 cells through modulation of the activities of extracellular regulated kinase (ERK).
Article in Clinical and experimental immunology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 17 citations in OpenAlex.
- Natural killer cells and immune-checkpoint inhibitor therapy: Current knowledge and new challenges.Molecular therapy oncolytics · 2022Review
- Current Paradigms of Tolerogenic Dendritic Cells and Clinical Implications for Systemic Lupus Erythematosus.Cells · 2019Review
- Reverse Signaling of Tumor Necrosis Factor Superfamily Proteins in Macrophages and Microglia: Superfamily Portrait in the Neuroimmune Interface.Frontiers in immunology · 2019Review
- Monocytes Phenotype and Cytokine Production in Human Immunodeficiency Virus-1 Infected Patients Receiving a Modified Vaccinia Ankara-Based HIV-1 Vaccine: Relationship to CD300 Molecules Expression.Frontiers in immunology · 2017Article
- SHPS-1 and a synthetic peptide representing its ITIM inhibit the MyD88, but not TRIF, pathway of TLR signaling through activation of SHP and PI3K in THP-1 cells.Inflammation research : official journal of the European Histamine Research Society ... [et al.] · 2013Article
- Review
- Synthetic peptides containing ITIM-like sequences of IREM-1 (CD300F) differentially regulate MyD88 and TRIF-mediated TLR signalling through activation of SHP and/or PI3K.Clinical and experimental immunology · 2012Article
- Article
- Stimulation of FasL induces production of proinflammatory mediators through activation of mitogen-activated protein kinases and nuclear factor-κB in THP-1 cells.Inflammation · 2012Article
- Article
- BAFF and APRIL induce inflammatory activation of THP-1 cells through interaction with their conventional receptors and activation of MAPK and NF-κB.Inflammation research : official journal of the European Histamine Research Society ... [et al.] · 2011Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The immune receptor expressed on myeloid cells 1 (IREM-1) has been known to regulate the activities of myeloid cells through its immunoreceptor tyrosine-based inhibition motifs (ITIMs) in its intracellular region. In order to investigate its effect on macrophage activation, a human macrophage cell line (THP-1) was tested after stimulation of its membrane-bound form of B cell activation factor (BAFF), which has been shown to modulate inflammatory activities through induction of proinflammatory mediator expression and suppression of phagocytosis. IREM-1-specific monoclonal antibodies detected the expression of high levels of IREM-1 in THP-1 cells. Cross-linking of IREM-1 with these antibodies resulted in the blockage of the BAFF-mediated expression of interleukin (IL)-8 and matrix metalloproteinase (MMP)-9 through inhibition of the activation of extracellular regulated kinase (ERK) and phosphorylation/degradation of IκB. Furthermore, cross-linking of IREM-1 also reversed the BAFF-mediated inhibition of phagocytosis. In order to demonstrate the role of ITIM in the IREM-1-mediated suppression of BAFF signalling, a decapeptide containing YADL (an ITIM in IREM-1) was fused with HIV-TAT(48-57) which was required for the internalization of the synthetic polypeptide (TAT-YADL). TAT-YADL, but not control peptides, recapitulated the effect of the anti-IREM-1 monoclonal antibody. These observations indicate that IREM-1 exerted its inhibitory effect on BAFF-medicated signalling through ITIM-mediated regulation of ERK activities in THP-1 cells.
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