632 results about "Chemokine" patented technology

Disclosed are methods for non-destructively measuring in vitro the effect on cellular metabolism of the addition to animal cells in culture of a soluble molecule potentially capable of perturbing the biological state of the cells, such as a drug or drug candidate, a toxin, a ligand known or suspected to bind to a cell surface receptor, a nutrient, a cytokine, a growth factor, a chemokine, a metabolism inhibitor or stimulator. Also disclosed are methods for measuring cell viability, vitality, or quality, e.g., in anticipation of the execution of an experiment on the cells. The measurements are done by observing alteration in the rates of consumption or production of extracellular solutes related to aerobic and anaerobic cellular metabolism, such as oxygen, protons, nutrients, carbon dioxide, lactate, or lactic acid. The methods are particularly useful in drug discovery efforts, such as cancer drug discovery and searches for modulators of cellular metabolism.

The invention provides immunogenic compositions which enhance beta-chemokine levels in a mammal. The immunogenic compositions contain an HIV antigen, an isolated nucleic acid molecule containing an immunostimulatory sequence (ISS) and an adjuvant. The HIV antigen can be a whole-killed HIV virus devoid of outer envelope protein gp120. Alternatively, the HIV antigen can be a whole-killed HIV virus, or a p24 antigen. Also provided are kits, the components of which, when combined, produce the immunogenic compositions of the invention. The invention also provides methods of making the immunogenic compositions, by combining an HIV antigen, an isolated nucleic acid molecule containing an immunostimulatory sequence (ISS) and an adjuvant. The invention further provides a method of immunizing a mammal, by enhancing beta-chemokine production in the mammal by administering to the mammal an immunogenic composition containing an HIV antigen, an isolated nucleic acid molecule containing an immunostimulatory sequence (ISS) and an adjuvant. Also provided is a method of inhibiting AIDS, by enhancing beta-chemokine production in the mammal by administering to the mammal an immunogenic composition containing an HIV antigen, an isolated nucleic acid molecule containing an immunostimulatory sequence (ISS) and an adjuvant.

The present invention provides an array for rapidly identifying a host cell population capable of producing heterologous protein with improved yield and/or quality. The array comprises one or more host cell populations that have been genetically modified to increase the expression of one or more target genes involved in protein production, decrease the expression of one or more target genes involved in protein degradation, or both. One or more of the strains in the array may express the heterologous protein of interest in a periplasm compartment, or may secrete the heterologous protein extracellularly through an outer cell wall. The strain arrays are useful for screening for improved expression of any protein of interest, including therapeutic proteins, hormones, a growth factors, extracellular receptors or ligands, proteases, kinases, blood proteins, chemokines, cytokines, antibodies and the like.

Novel proteins and protein libraries are disclosed. The proteins possess one or more functional protein modules from different parent protein molecules. The proteins and protein libraries are exemplified by the preparation of cross-over chemokines that contain various combinations of peptide segments derived from RANTES, SDS-1 and vMIP-I and to vMIP-II. The proteins and libraries are extremely pure and can be provided in non-limiting high yields suitable for diagnostic and high-throughput screening assays.

The present invention relates to an immuno-therapy conjugate which comprises A-c-B wherein: A and B are different and are compounds selected from the group consisting of cytokines, chemokines, interferons, their respective receptors or a functional fragment thereof; and c is a linker consisting of a bond or an amino acid sequence containing from 1 to 100 residues. The present invention also relates to a vaccine adjuvant comprising the immuno-therapy conjugate of the present invention. The present invention further relates to a method of reducing tumor growth, for inhibiting a viral infection and for improving immune response in a patient.

The present invention relates to a compound represented by formula (I):

(wherein all the symbols have the same meanings as defined in the above description) and a production method and use thereof. The compounds represented by formula (I), or its salt, N-oxide or solvate, or a prodrug thereof have p38 MAP kinase inhibitory activity, and are useful in the prevention and/or treatment of those diseases that are supposedly caused or deteriorated by abnormal production of cytokines including inflammatory cytokine or chemokine, or by over response thereto, namely cytokine-mediated diseases such as inflammatory diseases, respiratory diseases, cardiovascular disease, central nervous system diseases, and the like.

The present invention provides a universal, yet adaptable, anti-tag chimeric antigen receptor (AT-CAR) system which provides T cells with the ability and specificity to recognize and kill target cells, such as tumor cells, that have been marked by tagged antibodies. As an example, αFITC-CAR-expressing T cells have been developed that specifically recognize various human cancer cells when those cells are bound by cancer-reactive FITC-labeled antibodies. The activation of αFITC-CAR-expressing T cells is shown to induce efficient target lysis, T cell proliferation, and cytokine/chemokine production. The system can be used to treating subjects having cancer.

The present invention provides an array for rapidly identifying a host cell population capable of producing heterologous protein with improved yield and/or quality. The array comprises one or more host cell populations that have been genetically modified to increase the expression of one or more target genes involved in protein production, decrease the expression of one or more target genes involved in protein degradation, or both. One or more of the strains in the array may express the heterologous protein of interest in a periplasm compartment, or may secrete the heterologous protein extracellularly through an outer cell wall. The strain arrays are useful for screening for improved expression of any protein of interest, including therapeutic proteins, hormones, a growth factors, extracellular receptors or ligands, proteases, kinases, blood proteins, chemokines, cytokines, antibodies and the like.

The present invention relates to chemokine receptor binding compounds, pharmaceutical compositions and their use. More specifically, the present invention relates to modulators of chemokine receptor activity, preferably modulators of CCR4 or CCR5. In one aspect, these compounds demonstrate protective effects against infection of target cells by a human immunodeficiency virus (HIV).

An apheresis column loaded with a solid support comprises one or more chemokines, in particular biotinylated chemokines, immobilized directly or indirectly on the support, in particular on a support carrying streptavidin. Also disclosed are uses of the column and the support and a method of depleting cells, in particular leukocytes, from the peripheral blood of a person suffering from an inflammatory condition such as Inflammatory Bowel Disease (IBD).

The subject invention concerns a method of inhibiting an RNA virus infection within a patient by increasing the amount of 2-5 oligoadenylate synthetase (2-5 AS) activity within the patient. Preferably, the preventative and therapeutic methods of the present invention involve administering a nucleotide encoding 2-5 AS, or at least one catalytically active fragment thereof, such as the p40, p69, p100 subunits, to a patient in need thereof. The present inventors have determined that overexpression of 2-5AS causes a reduction in epithelial cell damage, reduction in infiltration of mononuclear cells in the peribronchiolar and perivascular regions, and reduction in thickening of the septa in the lungs. Levels of chemokines, such as MIP1-alpha, are also reduced upon overexpression of 2-5AS. The subject invention also pertains to pharmaceutical compositions containing a nucleotide sequence encoding 2-5 AS and a pharmaceutically acceptable carrier, as well as vectors for delivery of the 2-5 AS nucleotide sequence.

Heparinase enzymes can be used as a medical treatment to reduce localized inflammatory responses. Treatment of activated endothelium with heparinase inhibits leukocyte rolling, adhesion and extravasation. Most of the heparin and heparan sulfate on endothelial cell surfaces and in basement membranes is degraded by exposure to heparinase. In addition, immobilized chemokines, which are attached to heparin/heparan sulfate on activated endothelium are solubilized by heparinase digestion. Heparinase can be infused into the vascular system to inhibit accumulation of leukocytes in inflamed tissue and decrease damage resulting from localized inflammations. Targeting of heparinase to activated endothelium can be accomplished through localized administration and/or use of genetically engineered heparinase containing endothelium ligand-binding domains.

The invention provides compounds, pharmaceutical compositions and methods of use of certain compounds that are antagonists of the chemokine CXCR4 receptor for the treatment of proliferative conditions mediated by CXCR4 receptors. The compounds provided interfere with the binding of SDF1 to the receptor. These compounds are particularly useful for treating or reducing the severity of hyperproliferative diseases by inhibiting metastasis.

The invention provides compounds, pharmaceutical compositions and methods of use of certain compounds that are antagonists of the chemokine CXCR4 receptor for the treatment of proliferative conditions mediated by CXCR4 receptors. The compounds provided interfere with the binding of SDF1 to the receptor. These compounds are particularly useful for treating or reducing the severity of hyperproliferative diseases by inhibiting metastasis.