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IL-1Rrp2

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https://www.readbyqxmd.com/read/27307043/structural-and-functional-attributes-of-the-interleukin-36-receptor
#1
Guanghui Yi, Joel A Ybe, Siddhartha S Saha, Gary Caviness, Ernest Raymond, Rajkumar Ganesan, M Lamine Mbow, C Cheng Kao
Signal transduction by the IL-36 receptor (IL-36R) is linked to several human diseases. However, the structure and function of the IL-36R is not well understood. A molecular model of the IL-36R complex was generated and a cell-based reporter assay was established to assess the signal transduction of recombinant subunits of the IL-36R. Mutational analyses and functional assays have identified residues of the receptor subunit IL-1Rrp2 needed for cytokine recognition, stable protein expression, disulfide bond formation and glycosylation that are critical for signal transduction...
August 5, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/22144259/expression-of-il-1rrp2-by-human-myelomonocytic-cells-is-unique-to-dcs-and-facilitates-dc-maturation-by-il-1f8-and-il-1f9
#2
Shilla Mutamba, Asher Allison, Yashwant Mahida, Paul Barrow, Neil Foster
We report for the first time that expression of the novel IL-1 cytokine receptor IL-1Rrp2 (IL-1R6) is unique to DCs within the human myelomonocytic lineage. IL-1Rrp2 was expressed by monocyte-derived dendritic cells (MDDCs) which was dose-dependently increased by IL-4 and correlated with increased numbers of differentiated MDDCs. Human plasmacytoid DCs also express IL-1Rrp2 but the receptor is not expressed by either myeloid DC type 1 (mDC1) or mDC2 cells. We also show that IL-1F8 or IL-1F9 cytokines, which signal through IL-1Rrp2, induce maturation of MDDCs, as measured by increased expression of HLA-DR and CD83 and decreased expression of CD1a...
March 2012: European Journal of Immunology
https://www.readbyqxmd.com/read/22047735/il-37-a-new-anti-inflammatory-cytokine-of-the-il-1-family
#3
REVIEW
Diana Boraschi, Davide Lucchesi, Stefan Hainzl, Maria Leitner, Elisabeth Maier, Doris Mangelberger, Gertie J Oostingh, Tobias Pfaller, Claudia Pixner, Gernot Posselt, Paola Italiani, Marcel F Nold, Claudia A Nold-Petry, Philip Bufler, Charles A Dinarello
The IL-1 family of cytokines encompasses eleven proteins that each share a similar β-barrel structure and bind to Ig-like receptors. Some of the IL-1-like cytokines have been well characterised, and play key roles in the development and regulation of inflammation. Indeed, IL-1α (IL-1F1), IL-1β (IL-1F2), and IL-18 (IL-1F4) are well-known inflammatory cytokines active in the initiation of the inflammatory reaction and in driving Th1 and Th17 inflammatory responses. In contrast, IL-1 receptor antagonist (IL-1Ra, IL-1F3) and the receptor antagonist binding to IL-1Rrp2 (IL-36Ra, IL-1F5) reduce inflammation by blocking the binding of the agonist receptor ligands...
September 2011: European Cytokine Network
https://www.readbyqxmd.com/read/21965679/interleukin-36-il-36-ligands-require-processing-for-full-agonist-il-36%C3%AE-il-36%C3%AE-and-il-36%C3%AE-or-antagonist-il-36ra-activity
#4
Jennifer E Towne, Blair R Renshaw, Jason Douangpanya, Brian P Lipsky, Min Shen, Christopher A Gabel, John E Sims
IL-36α, IL-36β, and IL-36γ (formerly IL-1F6, IL-1F8, and IL-1F9) are IL-1 family members that signal through the IL-1 receptor family members IL-1Rrp2 (IL-1RL2) and IL-1RAcP. IL-36Ra (formerly IL-1F5) has been reported to antagonize IL-36γ. However, our previous attempts to demonstrate IL-36Ra antagonism were unsuccessful. Here, we demonstrate that IL-36Ra antagonist activity is dependent upon removal of its N-terminal methionine. IL-36Ra starting at Val-2 is fully active and capable of inhibiting not only IL-36γ but also IL-36α and IL-36β...
December 9, 2011: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/21860022/il-36r-ligands-are-potent-regulators-of-dendritic-and-t-cells
#5
Solenne Vigne, Gaby Palmer, Céline Lamacchia, Praxedis Martin, Dominique Talabot-Ayer, Emiliana Rodriguez, Francesca Ronchi, Federica Sallusto, Huyen Dinh, John E Sims, Cem Gabay
IL-36α (IL-1F6), IL-36β (IL-1F8), and IL-36γ (IL-1F9) are members of the IL-1 family of cytokines. These cytokines bind to IL-36R (IL-1Rrp2) and IL-1RAcP, activating similar intracellular signals as IL-1, whereas IL-36Ra (IL-1F5) acts as an IL-36R antagonist (IL-36Ra). In this study, we show that both murine bone marrow-derived dendritic cells (BMDCs) and CD4(+) T lymphocytes constitutively express IL-36R and respond to IL-36α, IL-36β, and IL-36γ. IL-36 induced the production of proinflammatory cytokines, including IL-12, IL-1β, IL-6, TNF-α, and IL-23 by BMDCs with a more potent stimulatory effect than that of other IL-1 cytokines...
November 24, 2011: Blood
https://www.readbyqxmd.com/read/20299540/interleukin-1-family-member-9-stimulates-chemokine-production-and-neutrophil-influx-in-mouse-lungs
#6
Ravisankar A Ramadas, Susan L Ewart, Benjamin D Medoff, Ann Marie LeVine
Interleukin-1 (IL-1) is a proinflammatory cytokine that signals through the Type I IL-1 receptor (IL-1RI). Novel IL-1-like cytokines were recently identified. Their functions in lung disease remain unclear. Interleukin-1 family member-9 (IL-1F9) is one such IL-1-like cytokine, expressed in the lungs of humans and mice. IL-1F9 signals through IL-1 receptor-related protein 2 (IL-1Rrp2/IL-1RL2), which is distinct from IL-1RI. We sought to determine if IL-1F9 acts as a proinflammatory cytokine in lung disease. IL-1F9 protein was increased in lung homogenates of house dust mite-challenged A/J mice compared with controls, and expression was seen in airway epithelial cells...
February 2011: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/19161412/the-interleukin-1-receptor-toll-like-receptor-superfamily-10-years-of-progress
#7
REVIEW
Luke A J O'Neill
The interleukin-1 receptor (IL-1R)/Toll-like receptor (TLR) superfamily was first defined in 1998 as a family of proteins that contain the Toll-IL-1 receptor domain. At that time, there were a number of orphan receptors in the IL-1R branch, and the TLRs had yet to be shown to be key innate immune receptors that sense microbial products. We now know a great deal more about this superfamily, with the description of novel IL-1 family members such as IL-1F6 signaling via IL-1Rrp2 and IL33 signaling via ST2. Remarkable progress has been made in our understanding of the functions of the TLRs, leading to a renaissance of interest in innate immunity...
December 2008: Immunological Reviews
https://www.readbyqxmd.com/read/17908936/opposing-activities-of-two-novel-members-of-the-il-1-ligand-family-regulate-skin-inflammation
#8
Hal Blumberg, Huyen Dinh, Esther S Trueblood, James Pretorius, David Kugler, Ning Weng, Suzanne T Kanaly, Jennifer E Towne, Cynthia R Willis, Melanie K Kuechle, John E Sims, Jacques J Peschon
The interleukin (IL)-1 family members IL-1alpha, -1beta, and -18 are potent inflammatory cytokines whose activities are dependent on heterodimeric receptors of the IL-1R superfamily, and which are regulated by soluble antagonists. Recently, several new IL-1 family members have been identified. To determine the role of one of these family members in the skin, transgenic mice expressing IL1F6 in basal keratinocytes were generated. IL1F6 transgenic mice exhibit skin abnormalities that are dependent on IL-1Rrp2 and IL-1RAcP, which are two members of the IL-1R family...
October 29, 2007: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/17590166/the-expanding-family-of-interleukin-1-cytokines-and-their-role-in-destructive-inflammatory-disorders
#9
REVIEW
H E Barksby, S R Lea, P M Preshaw, J J Taylor
Understanding cytokine immunobiology is central to the development of rational therapies for destructive inflammatory diseases such as rheumatoid arthritis (RA) and periodontitis. The classical interleukin-1 (IL-1) family cytokines, IL-1alpha and IL-1beta, as well as IL-18, play key roles in inflammation. Recently, other members of the IL-1 family have been identified. These include six cytokines whose genes are located downstream of the genes for IL-1alpha and IL-1beta on chromosome 2 (IL-1F5-10) and also IL-33, which is the ligand for ST2, a member of the IL-1R/Toll-like receptor (TLR) receptor superfamily...
August 2007: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/16646978/the-new-il-1-family-member-il-1f8-stimulates-production-of-inflammatory-mediators-by-synovial-fibroblasts-and-articular-chondrocytes
#10
David Magne, Gaby Palmer, Jenny L Barton, Francoise Mézin, Dominique Talabot-Ayer, Sylvette Bas, Trevor Duffy, Marcus Noger, Pierre-Andre Guerne, Martin J H Nicklin, Cem Gabay
Six novel members of the IL-1 family of cytokines were recently identified, primarily through the use of DNA database searches for IL-1 homologues, and were named IL-1F5 to IL-1F10. In the present study, we investigated the effect of IL-1F8 on primary human joint cells, and examined the expression of the new IL-1 family members in human and mouse joints. Human synovial fibroblasts (hSFs) and human articular chondrocytes (hACs) expressed the IL-1F8 receptor (IL-1Rrp2) and produced pro-inflammatory mediators in response to recombinant IL-1F8...
2006: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/16086690/regulation-of-expression-of-the-novel-il-1-receptor-family-members-in-the-mouse-brain
#11
Ralph Andre, Dominique Lerouet, Ian Kimber, Emmanuel Pinteaux, Nancy J Rothwell
Members of the interleukin-1 (IL-1) family of cytokines are key mediators in the regulation of host defence responses and the development of inflammation in response to acute and chronic injury to the brain. Two major agonists, IL-1alpha and IL-1beta, bind to a membrane receptor complex composed of the type-1 IL-1 receptor (IL-1RI) and the accessory protein (IL-1RAcP). The discovery of new orphan members of the IL-1 receptor superfamily (including ST2/T1, IL-1Rrp2, TIGIRR1 and -2, SIGGIR, IL-18Ralpha and IL-18Rbeta) has increased speculation that alternative IL-1 ligands signalling pathways exist in the brain...
October 2005: Journal of Neurochemistry
https://www.readbyqxmd.com/read/15749024/the-interleukin-1-related-cytokine-il-1f8-is-expressed-in-glial-cells-but-fails-to-induce-il-1beta-signalling-responses
#12
Penglian Wang, Brenda Meinhardt, Ralph Andre, Blair R Renshaw, Ian Kimber, Nancy J Rothwell, Emmanuel Pinteaux
The putative new interleukin (IL)-1 family member IL-1F8 (IL-1eta, IL-1H2) has been shown recently to activate mitogen activated protein kinases (MAPKs), extracellular signal-regulated protein kinase (ERK1/2) and c-Jun N-terminal kinase (JNK), and nuclear factor-kappa B (NFkappa B) via a mechanism that requires IL-1Rrp2 expression in cell lines. The aim of this study was to test the hypothesis that IL-1F8 contributes to brain inflammation and injury, by studying its expression and actions in the different cell types of the mouse brain in culture...
March 21, 2005: Cytokine
https://www.readbyqxmd.com/read/14734551/interleukin-il-1f6-il-1f8-and-il-1f9-signal-through-il-1rrp2-and-il-1racp-to-activate-the-pathway-leading-to-nf-kappab-and-mapks
#13
Jennifer E Towne, Kirsten E Garka, Blair R Renshaw, G Duke Virca, John E Sims
Interleukin 1 (IL-1) plays a prominent role in immune and inflammatory reactions. Our understanding of the IL-1 family has recently expanded to include six novel members named IL-1F5 to IL-1F10. Recently, it was reported that IL-1F9 activated NF-kappaB through the orphan receptor IL-1 receptor (IL-1R)-related protein 2 (IL-1Rrp2) in Jurkat cells (Debets, R., Timans, J. C., Homey, B., Zurawski, S., Sana, T. R., Lo, S., Wagner, J., Edwards, G., Clifford, T., Menon, S., Bazan, J. F., and Kastelein, R. A. (2001) J...
April 2, 2004: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/12799018/il-1rrp2-expression-and-il-1f9-il-1h1-actions-in-brain-cells
#14
Elisabet Berglöf, Ralph Andre, Blair R Renshaw, Stuart M Allan, Catherine B Lawrence, Nancy J Rothwell, Emmanuel Pinteaux
The recently discovered IL-1F9 (IL-1H1) is a putative member of the interleukin (IL)-1 family of cytokines that has been shown to activate nuclear factor-kappa B (NFkappaB) in Jurkat cells transfected with the orphan receptor IL-1 receptor-related protein (IL-1Rrp)2. The aim of the present study was therefore to investigate expression of IL-1Rrp2 and to determine if IL-1F9 induces known IL-1 signaling pathways in the different cell types of the mouse brain in culture. Messenger RNA for IL-1Rrp2 was not detected in primary neurones by RT-PCR, but significant constitutive expression was found in mixed glial cells, particularly in astrocytes and microglia, which was strongly decreased by exposure to bacterial lipopolysaccharide (LPS)...
June 2003: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/11466363/two-novel-il-1-family-members-il-1-delta-and-il-1-epsilon-function-as-an-antagonist-and-agonist-of-nf-kappa-b-activation-through-the-orphan-il-1-receptor-related-protein-2
#15
R Debets, J C Timans, B Homey, S Zurawski, T R Sana, S Lo, J Wagner, G Edwards, T Clifford, S Menon, J F Bazan, R A Kastelein
IL-1 is of utmost importance in the host response to immunological challenges. We identified and functionally characterized two novel IL-1 ligands termed IL-1delta and IL-1epsilon. Northern blot analyses show that these IL-1s are highly abundant in embryonic tissue and tissues containing epithelial cells (i.e., skin, lung, and stomach). In extension, quantitative real-time PCR revealed that of human skin-derived cells, only keratinocytes but not fibroblasts, endothelial cells, or melanocytes express IL-1delta and epsilon...
August 1, 2001: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/10191101/interleukin-1-receptor-cluster-gene-organization-of-il1r2-il1r1-il1rl2-il-1rrp2-il1rl1-t1-st2-and-il18r1-il-1rrp-on-human-chromosome-2q
#16
M Dale, M J Nicklin
The family of interleukin-1 receptor-like genes currently has six known members. We have constructed a contig of 10 overlapping human PAC clones that covers 530 kb and includes five of the six family members. The termini of the contig were mapped to the interval between D2S373 and D2S176 (chromosome 2q12) by radiation hybrid mapping. The contig contains the genes (cen --> tel), in the order given, for the type II interleukin-1 (IL-1) receptor (IL1R2), the type I IL-1 receptor (IL1R1), the IL-1 receptor-related protein 2 (IL1RL2), T1/ST2/fit-1 (IL1RL1), and the IL-1 receptor-related protein 1, which has recently been shown to be a component of the IL-18 receptor (IL18R1)...
April 1, 1999: Genomics
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