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Scheepstra M.,TU Eindhoven | Leysen S.,TU Eindhoven | Van Almen G.C.,TU Eindhoven | Miller J.R.,Merck And Co. | And 23 more authors.
Nature Communications | Year: 2015

RORγt is critical for the differentiation and proliferation of Th17 cells associated with several chronic autoimmune diseases. We report the discovery of a novel allosteric binding site on the nuclear receptor RORγt. Co-crystallization of the ligand binding domain (LBD) of RORγt with a series of small-molecule antagonists demonstrates occupancy of a previously unreported allosteric binding pocket. Binding at this non-canonical site induces an unprecedented conformational reorientation of helix 12 in the RORγt LBD, which blocks cofactor binding. The functional consequence of this allosteric ligand-mediated conformation is inhibition of function as evidenced by both biochemical and cellular studies. RORγt function is thus antagonized in a manner molecularly distinct from that of previously described orthosteric RORγt ligands. This brings forward an approach to target RORγt for the treatment of Th17-mediated autoimmune diseases. The elucidation of an unprecedented modality of pharmacological antagonism establishes a mechanism for modulation of nuclear receptors. Source


Kenny E.F.,Trinity College Dublin | Quinn S.R.,Trinity College Dublin | Doyle S.L.,Trinity College Dublin | Vink P.M.,Janssen Infectious Diseases BVBA | And 2 more authors.
PLoS ONE | Year: 2013

B cells signal through both the B cell receptor (BCR) which binds antigens and Toll-like receptors (TLRs) including TLR9 which recognises CpG DNA. Activation of TLR9 synergises with BCR signalling when the BCR and TLR9 co-localise within an auto-phagosome-like compartment. Here we report that Bruton's tyrosine kinase (BTK) is required for synergistic IL6 production and up-regulation of surface expression of MHC-class-II, CD69 and CD86 in primary murine and human B cells. We show that BTK is essential for co-localisation of the BCR and TLR9 within a potential auto-phagosome-like compartment in the Namalwa human B cell line. Downstream of BTK we find that calcium acting via calmodulin is required for this process. These data provide new insights into the role of BTK, an important target for autoimmune diseases, in B cell activation. © 2013 Kenny et al. Source


The present invention relates to a binding compound which binds to human APRIL. More specifically the invention provides, compositions of anti-APRIL specific antibodies and methods to use such antibodies in modulating the biological activity APRIL, particularly in inflammatory diseases, inhibition of cell proliferation and cancer.


The present invention relates to a binding compound which binds to human APRIL. More specifically the invention provides, compositions of anti-APRIL specific antibodies and methods to use such antibodies in modulating the biological activity APRIL, particularly in inflammatory diseases, inhibition of cell proliferation and cancer.


Patent
BioNovion | Date: 2013-03-11

The invention relates to a binding compound, which binds the same epitope of human CD27 as monoclonal antibody hCD27.15, produced by hybridoma hCD27.15 which was deposited with the ATCC in on Jun. 2, 2010 under number PTA-11008. In particular the invention relates to such a binding compound of claim

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