Patent classifications
G01N33/567
Biological dataset profiling of cardiovascular disease and cardiovascular inflammation
Methods and systems for evaluating biological dataset profiles relating to inflammatory cardiovascular conditions are provided, where datasets comprising information for multiple cellular parameters are compared and identified, and used in the evaluation of candidate pharmacologic agents for suitability as therapeutic agents.
Chimeric Fc-gamma receptor and method for determination of ADCC activity by using the receptor
An objective of the present invention is to provide chimeric receptors containing a mouse Fcγ receptor extracellular domain and a human Fcγ receptor transmembrane domain, or chimeric receptors containing a mouse Fcγ receptor extracellular domain and a human γ chain transmembrane domain. Another objective of the present invention is to provide methods for measuring the ADCC activity of mouse antibodies and methods of screening for mouse antibodies having ADCC activity, using the chimeric receptors. To accomplish the above-mentioned objectives, the present inventors produced chimeric molecules by fusing the extracellular domain of mouse FcγR3 or mouse FcγR4 with the transmembrane domain/intracellular domain of human γ chain or human FcγR3, and expressed the chimeric molecules in human NK92 cells. It was revealed that the ADCC activity can be induced by the chimeric receptors produced by any combination of the domains, and that the ADCC activity of mouse antibodies can be measured using the chimeric receptors of the present invention.
Point of care assays to detect the status of tuberculosis infection
Point of care methods to detect the probability or status of tuberculosis infection in individuals by determining presence or absence of one or more peptide of SEQ ID NOS:1-22 in a biological fluid of a subject are described. These methods may be assays based on affinity reagents specifically reactive with these peptides.
Liquid crystal based analyte detection
The present invention relates to the field of detection of viruses, and in particular to detection of viruses using a liquid crystal assay format. In the present invention, virus binding in a detection region is identified by changes in liquid crystal orientation caused by virus binding independent orientation caused by any topography associated with the detection region.
BIOMARKERS PREDICTIVE OF LUPUS PROGRESSION AND USES THEREOF
Methods, systems and kits to detect and/or quantify lupus and disease progression in a subject having, or at risk of having, lupus are disclosed.
Biotin derivatives
Biotin derivatives, methods of using the biotin derivatives and kits comprising the biotin derivatives.
CELL BASED ASSAYS AND KITS FOR ASSESSING SERUM CHOLINERGIC RECEPTOR ACTIVITY
Provided herein are methods for determining the level of muscarinic acetylcholine receptor subtype-1 (M1 receptor) anticholinergic activity in a blood serum sample. The methods include radioactive methods and non-radioactive methods. The method comprises the steps of removing protein from the blood serum sample by treatment with perchloric acid (PCA) to produce a PCA-treated serum sample, incubating the PCA-treated serum sample with a membrane preparation from cultured cells expressing the M1 receptor and an M1 receptor ligand; detecting an amount of binding of the M1 receptor ligand to the M1 receptor and comparing the amount of binding to a standard to determine the level of M1 receptor anticholinergic activity in the blood serum sample. Alternatively, the method may comprise loading calcium sensitive dye into the cells and testing serum from a subject in a fluorescence assay to determine the anticholinergic activity relative to a sample known to contain little to no anticholinergic activity. Also provided are kits for performing the method.
CELL BASED ASSAYS AND KITS FOR ASSESSING SERUM CHOLINERGIC RECEPTOR ACTIVITY
Provided herein are methods for determining the level of muscarinic acetylcholine receptor subtype-1 (M1 receptor) anticholinergic activity in a blood serum sample. The methods include radioactive methods and non-radioactive methods. The method comprises the steps of removing protein from the blood serum sample by treatment with perchloric acid (PCA) to produce a PCA-treated serum sample, incubating the PCA-treated serum sample with a membrane preparation from cultured cells expressing the M1 receptor and an M1 receptor ligand; detecting an amount of binding of the M1 receptor ligand to the M1 receptor and comparing the amount of binding to a standard to determine the level of M1 receptor anticholinergic activity in the blood serum sample. Alternatively, the method may comprise loading calcium sensitive dye into the cells and testing serum from a subject in a fluorescence assay to determine the anticholinergic activity relative to a sample known to contain little to no anticholinergic activity. Also provided are kits for performing the method.
CELLS USEFUL FOR IMMUNO-BASED BOTULINUM TOXIN SEROTYPE A ACTIVITY ASSAYS
The present specification discloses clonal cell lines susceptible to BoNT/A intoxication, methods of producing such clonal cell lines, and methods of detecting Botulinum toxin serotype A activity using such clonal cell lines.
DETECTION METHOD FOR TUMOR-SPECIFIC T CELLS
A detection method for tumor-specific T cells includes: collecting whole-cell components of tumor cells or tumor tissues, using free whole-cell components or loading whole-cell lysate components on nano/micron particles, then performing co-incubating with peripheral immune cells, and after the cancer-specific T cells are activated, detecting specific molecules of the tumor-specific T cells, so that the content of the cancer-specific T cells in peripheral tissues such as peripheral blood can be determined. The whole-cell lysate components in the present invention are water-soluble components and non-water-soluble components, and are in a free state or are loaded on nano particles or micron particles. The loading mode is that: the whole-cell water-soluble components and non-water-soluble components are respectively or simultaneously encapsulated inside the particles, and/or respectively or simultaneously loaded on the surfaces of the particles. The detection method includes flow cytometry, enzyme-linked immunospot assay, enzyme-linked immunosorbent assay, colloidal gold immunochromatography, gene detection technology, etc.