956results about "Interleukins" patented technology

The present disclosure provides lipid nanoparticle compositions comprising a nucleic acid encoding a therapeutic polypeptide. The disclosure also provides novel IL-15 polypeptides, fusion proteins comprising the IL-15 polypeptides, and nucleic acids encoding the IL-15 polypeptides and the fusion proteins.

The invention discloses an anti-human inflammatory factor interleukin 6 monoclonal antibody and an application thereof. When the monoclonal antibody is prepared, an adopted immunogen is a human inflammatory factor interleukin 6 antigen, and an amino acid sequence of the human inflammatory factor interleukin 6 antigen comprises a sequence as shown in SEQ ID NO: 1. A group of monoclonal antibodies specifically combined with antigens is constructed based on the IL-6 antigens. The IL-6 monoclonal antibody has strong binding capacity with an IL-6 antigen in a clinical sample, has no cross reaction with other proteins, has good specificity and affinity compared with a commercial antigen, can be effectively applied to ELISA and a dry-type immunofluorescence method, has good detection linearity, precision, stability and accuracy, and can be widely applied to the field of immunoassay. The antibody can be combined with the antigen to serve as a detection reagent raw material combination, and has clinical detection advantages.

The present disclosure relates to IL12 receptor agonists with improved therapeutic profiles.

The invention relates generally to compositions and methods for purifying the desired species from a mixture of desired heterodimer and contaminating homodimer immunoglobulin variants by modifying the isoelectric point(s) of the individual chains.

The invention relates generally to compositions and methods for purifying the desired species from a mixture of desired heterodimer and contaminating homodimer immunoglobulin variants by modifying the isoelectric point(s) of the individual chains.

The present invention relates to antibody-cytokine conjugates, wherein the cytokine is conjugated to the antibody via a cleavable linker. Conjugates according to the invention can be prepared by coupling a functionalized antibody Ab (F) x comprising x reactive moieties F, where x is an integer in the range of 1-10, with an immune cell-binding polypeptide comprising one or two reactive moieties Q, where the antibody is specific for tumor cells, and the immune cell-binding polypeptide is specific for immune cells, wherein the reaction forms a covalent bond between the functionalized antibody and the immune cell-binding polypeptide by reaction of Q with F. The invention further relates to antibody-cytokine conjugates obtainable by the method according to the invention and to medical uses thereof.

The invention relates to proximity activated cytokine compounds comprising a PD-1 targeting moiety, and an IL-21 polypeptide covalently linked to an anti-IL-21 antibody-binding domain, which together provide targeted cytokine signaling to PD-1 expressing cells. The invention further relates to nucleic acid and expression vectors encoding proximity activated cytokines, as well as use of such compounds for treating cancer.

Provided herein are chimeric antigen receptors (CARs) for cancer therapy, and more particularly, CARs containing a scFv from an anti-ROR-1 monoclonal antibody. Provided are immune effector cells containing such CARs, and methods of treating proliferative disorders.

The present disclosure provides a population of CD4IL-10 / CAR cells (autologous or allogeneic single-donor and allogeneic polydonor) generated by genetically modifying CD4+ Tcells to express IL-10 and a chimeric antigen receptor. Further provided are methods of generating the CD4IL-10 / CAR cells and methods of using the CD4IL-10 / CAR cells for immune tolerization, treating GvHD, cell and organ transplantation, cancer, and autoimmune and inflammatory disorders.

An improved method of treating cancers with engineered T cells is described.

The present disclosure provides drug responsive domains derived from human carbonic anhydrase 2 that can modulate protein stability for human interleukin 15 (IL15) payloads, as well as compositions and methods of use thereof.

Provided herein are compositions of NK-92™ cells that express a combination of PD-L1 CAR, CD16 and IL2, and the method of using these cells to to reduce tumor cells and cells in tumor microenvironment (e.g., MDSCs or TAMs) and treat cancer.

Provided are methods of treating liver diseases comprising administering recombinant proteins comprising an interleukin-18-binding protein and an antigen binding fragment that binds to serum albumin.

Provided herein are compositions of NK-92™ cells that express a combination of PD-L1 CAR, CD16 and IL2, and the method of using these cells to to reduce tumor cells and cells in tumor microenvironment (e.g., MDSCs or TAMs) and treat cancer.

Systems and methods are presented that provide for improved NK cell function. In preferred aspects, NK-92 cells express recombinant er / LSP-IL-15 to so render the NK-92 cells independent of exogenous cytokines and to provide extracellular immune stimulation.

The present invention is directed to novel targeted heterodimeric fusion proteins comprising an IL-15 / IL-15Rα Fc-fusion protein and a LAG-3 antibody fragment-Fc fusion protein.

Provided herein are methods for pre-activating and expanding an isolated population of NK cells. Further provided herein are methods for the treatment of cancer by administering the pre-activated and expanded NK cells.

The present invention relates to a polypeptide comprising the crystallizable fragment (Fc) region of IgG for use in the prevention or treatment of diseases, particularly diseases affecting the central nervous system. The polypeptide is administered locally to the affected compartment, particularly the central nervous system. The Fc region has a modification that reduces affinity for the neonatal Fc receptor (FcRn), resulting in increased brain to serum concentrations of the polypeptide.

An improved method of treating cancers with engineered T cells is described.

Provided is a bispecific antibody and use thereof, the bispecific antibody comprising: a first domain that specifically binds the interleukin-6 receptor IL-6R, and a second domain that specifically binds interleukin-23. The bispecific antibody can simultaneously target IL-6R and IL-23p19, with stronger specificity, more accurately targeting tumor cells and reducing the adverse effects of off-target toxicity and can perform a unique function to play a biological function that is difficult to achieve with monoclonal antibody drugs. Compared with monoclonal antibody combination therapies, it can also effectively reduce the cost of treatment and break the current upper limit of therapeutic efficacy in the treatment of autoimmune diseases such as rheumatoid arthritis and IBD.

The present disclosure relates to methods and compositions for treating cancer using inducible IL-12 prodrugs.

The present disclosure relates to a class of engineered polypeptides having a binding affinity for interleukin-17A (IL-17A), and provides an IL-17A binding polypeptide comprising the sequence EX2DX4AX6X7EIX10X11LPNL X16X17X18QX20X21AFIX25 X26LX28X29. Also disclosed is the use of such an interleukin-17A binding polypeptide as a diagnostic, prognostic and / or therapeutic agent.

The invention belongs to the technical field of biological pharmacy, and relates to a bifunctional fusion protein targeting PD-1 / PD-L1 and IL-33 as well as a construction method and application of the bifunctional fusion protein. The bifunctional fusion protein comprises a PD-1 / PD-L1 antibody and a targeted IL-33 functional fragment, T cells are activated by blocking a PD-1 / PD-L1 signal to kill tumor cells, meanwhile, the level of IL-33 in tumor tissue is reduced, and the activity of IL-33 is inhibited. Researches show that the bifunctional fusion protein can increase infiltration of functional T cells, enhance T cell response and remodel a tumor microenvironment so as to generate an anti-tumor effect superior to that of combined treatment, and has a very good application prospect.

To provide cytokine muteins and cytokine prodrugs, and methods of making and using same.SOLUTION: Provided is a prodrug comprising a cytokine moiety, a masking moiety and a carrier moiety, where the masking moiety is linked to the cytokine moiety to inhibit the biological activity of the cytokine moiety, the cytokine moiety is fused to the carrier moiety, the cytokine moiety comprises the IL-15 polypeptide or a functional fragment thereof, the masking moiety is fused to the cytokine moiety or the carrier moiety via a cleavable peptide linker, the masking moiety comprises the extracellular domain (ECD) of a receptor of the cytokine moiety, the carrier moiety is an antibody Fc domain or an antibody comprising knobs-into-holes mutations, and the cytokine moiety and the masking moiety are fused to different polypeptide chains of the antibody Fc domain or to the different heavy chains of the antibody.SELECTED DRAWING: None

Provided are methods of diagnosis and treatment of atopic dermatitis.

The present invention relates to multispecific antigen binding proteins that comprise an antigen-binding regions specific for a tumor-associated antigen (TAA), an antigen-binding region that specifically binds an epitope of a γδ T cell receptor (TCR), a γδ T cell-activating cytokine, and optionally, a γδ T cell co-stimulatory agonist. The γδ T cell-activating cytokine preferably is at least 5 one of an interleukin 21 receptor (IL21R) agonist and an interleukin 15 receptor (IL15R) agonist. The γδ T cell co-stimulatory agonist cytokine preferably is at least one of a 4-1BB agonist, a CD27 agonist and a GITR agonist. The multispecific antigen binding proteins of the invention specifically redirect and activate γδ T cell to lyse targeted tumor cells. The invention further relates to the use of such multispecific antigen binding proteins in the treatment of cancer, preferably a cancer 10 expressing the TAA.

Provided herein are recombinant antibodies,antigen-binding fragments, and fusion proteins thereof useful for binding to and inhibiting programmed death 1 (PD-1), nucleic acid molecules encoding the same and therapeutic compositions thereof, as well as methods of using such antibodies, including the methods for enhancing T cell and NK cell function to increase cell and cytokine mediated immunity and methods of treatment of various immune dysfunction related disorders including cancer and infectious diseases.

An object of the present invention is to provide a small molecule compound (IL-17 activity inhibitor) having a more potent inhibitory effect on IL-17 activity than conventional compounds. The IL-17RA inhibitor of the present invention is, for example, a small molecule compound surrounded by Phe60, Gln87, Asp121, Pro122, Asp123, Gln124, Asp153, Cys154, Glu155, Lys160, Pro164, Cys165, Ser167, Ser168, Gly169, Ser170, Leu171, Trp172, Asp173, Pro174, Pro254, Phe256, Ser258, Cys259, Asp262, Cys263, Leu264, and His266, which are contained in the extracellular domain of human interleukin-17 receptor A (IL-17RA). The compound contains a compound having the effect of inhibiting the binding of interleukin-17A (IL-17A) to IL-17RA in humans, etc., or a pharmaceutically acceptable salt, solvate, or prodrug thereof, which can bind to IL-17RA through non-covalent interactions, including van der Waals forces acting between at least 13 of these amino acid residues in the space defined by the compound, and preferably further including at least one type of intermolecular interaction selected from the group consisting of ionic bond, hydrogen bond, C-H-π interaction, and hydrophobic interaction acting between predetermined ones of the amino acid residues.

The present invention relates to multispecific antigen binding proteins that comprise antigen-binding regions specific for a tumor-associated antigen (TAA) and NK cell-activating cytokines. The NK cell-activating cytokine preferably is at least one of an interleukin 21 receptor (IL21R) agonist and a 4-1BB agonist. The multispecific antigen binding protein can further comprise an antigen-binding region that has affinity for a surface antigen expressed on NK cells, e.g CD16A. The multispecific antigen binding proteins of the invention specifically redirect and activate NK cells to lyse targeted tumor cells. The invention further relates to the use of such multispecific antigen binding proteins in the treatment of cancer, preferably a cancer expressing the TAA.