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191 results about "Granulocyte macrophage colony-stimulating factor" patented technology

Granulocyte-macrophage colony-stimulating factor (GM-CSF), also known as colony-stimulating factor 2 (CSF2), is a monomeric glycoprotein secreted by macrophages, T cells, mast cells, natural killer cells, endothelial cells and fibroblasts that functions as a cytokine. The pharmaceutical analogs of naturally occurring GM-CSF are called sargramostim and molgramostim.

Methods for inhibiting macrophage colony stimulating factor and c-FMS-dependent cell signaling

Described herein are methods of inhibiting M-CSF activity, and, in particular, M-CSF/c-fms dependent cell signaling. In a first embodiment of the invention, one administers to a mammal viral vectors that deliver genes experessing antisense c-fms RNA; in a second embodiment, one induces in vivo production of a high-affinity soluble c-fms protein that competes for non-bound M-CSF; in a third embodiment, one administers a ribozyme-viral vector against c-fms mRNA; and in a fourth embodiment, one administers oligodeoxynucleotides that inhibit expression of c-fms gene product. The methods may be used to treat any disease in which M-CSF activity plays a role, and are particularly effective in treating and preventing atherosclerosis.
Embodiments of the present invention are directed primarily, but not exclusively, to a method for treating and preventing cardiovascular disease by inhibiting receptors to M-CSF. Other embodiments of the present invention include any and all biologic and/or pathobiologic phenomena mediated in whole or in part by M-CSF signaling through its receptor. Pathobiologic phenomena include, but are not limited to, disease entities such as osteoporosis, Alzheimer's disease, diabetes mellitus (Type 1 and/or Type 2), infectious diseases, cancer, and inherited disorders characterized by defects in one or more components in the M-CSF signaling pathway.
Owner:RAJAVASHISTH TRIPATHI

Recombinant II type herpes simplex virus vector, preparation method of recombinant II type herpes simplex virus vector, recombinant virus, medicinal composition and application

The invention provides a recombinant II type herpes simplex virus vector. An ICP34.5 gene and an ICP47 gene of a wild II type herpes simplex virus HG52 strain are removed in the virus vector, and preferably a human granulocyte macrophage-colony stimulating factor (hGM-CSF) expression box is inserted into the position where the ICP34.5 gene is removed. The invention also provides a preparation method of the recombinant II type herpes simplex virus vector, a recombinant virus using the recombinant II type herpes simplex virus as a vector, a medicinal composition consisting of the recombinant II type herpes simplex virus vector and a pharmaceutically acceptable vector or excipient, and application of the recombinant II type herpes simplex virus vector in preparation of a gene medicament for treating tumors. As the ICP34.5 gene is removed in the recombinant II type herpes simplex virus vector provided by the invention, the oncolysis virus is safe and can selectively grow and propagate in tumor cells; the ICP47 gene is removed to promote immune response and enhance oncolysis activity; and the curative effect of the recombinant II type herpes simplex virus vector is superior to that of the conventional recombinant I type herpes simplex virus vector, and the recombinant II type herpes simplex virus vector has high safety.
Owner:WUHAN BINHUI BIOTECH CO LTD

Site-specific modification of proteins through chemical modification enabling protein conjugates, protein dimer formation, and stapled peptides

The present invention generally provides methods for the site-specific modification of peptides, polypeptides, and proteins, e.g., granulocyte macrophage colony-stimulating factor, human superoxide dismutase, annexin, leptin, antibodies and the like, cytokines and chemokines, at their N-termini and at sites at which unnatural aminoacids have been introduced along the protein framework. The modifications described herein can be used for the synthesis and application of the adducts in radio-labeling, molecular imaging and protein therapeutic applications, and the treatment of disorders such as rheumatoid arthritis, lupus erythematosus, psoriasis, multiple sclerosis, type-1 diabetes, Crohn's disease, and systemic sclerosis, Alzheimer disease, cancer, liver disease (e.g., alcoholic liver disease), and cachexia.
Owner:ADVANCED PROTEOME THERAPEUTICS

Method of isolating and culturing mesenchymal stem cell derived from umbilical cord blood

The present invention relates to a method of isolating and culturing mesenchymal stem cells using umbilical cord blood that is most ideal for cell therapy. The method comprises adding an anti-coagulant to umbilical cord blood having a volume of more than 45 ml per unit, which is obtained within 24 hours after parturition; diluting the resulting mixture of the anti-coagulant and umbilical cord blood with an alphaMEM (alpha-minimum essential medium), followed by centrifugation to harvest monocytes; and subjecting the obtained monocytes into suspension culture in the alphaMEM containing Stem Cell Factor, GM-CSF (granulocyte-macrophage colony-stimulating factor), G-CSF (granulocyte colony-stimulating factor), IL-3 (interleukin-3) and IL-6 (interleukin-6).
Owner:韩薰

Preparation method of high-efficiency killer cell preparation adopting immunodetection point dual-block CTL (cytotoxic lymphocyte)

The invention discloses a preparation method of a high-efficiency killer cell preparation adopting an immunodetection point dual-block CTL (cytotoxic lymphocyte). The preparation method comprises steps as follows: step 1), collecting mononuclear cells in peripheral blood; step 2), performing DC (dendritic cell) separation and T cell separation on the separated mononuclear cells with an adherence method; step 3), adding adhering DCs to a serum-free culture medium containing GM-CSF (granulocyte-macrophage colony-stimulating factor) and IL-4 (interleukin-4) for preparation of a DC vaccine; step 4), adding suspending T cells to CD3 and IL-2 for T cell culture and amplification; step 5), adding antigen-supported DCs to the amplified T cells for preparation of the CTL, and adding PD-1 (Programmed death 1) and CTLA-4 (cytotoxic t lymphocyte associated antigen-4) antibodies for preparation of the cell preparation with the dual-block CTL effect. According to the novel technology and the novel method provided by the invention, an immune brake effect is effectively regulated and T cell depletion is retarded by blocking inhibitory molecules on the tumor specific CTL surfaces, so that the tumor cytotoxicity of CTL effector cells is substantially improved.
Owner:浓孚雨医药河北有限公司
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