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4199 results about "Receptor" patented technology
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In biochemistry and pharmacology, receptors are chemical structures, composed of protein, that receive and transduce signals that may be integrated into biological systems. These signals are typically chemical messengers, which bind to a receptor, they cause some form of cellular/tissue response, e.g. a change in the electrical activity of a cell. There are three main ways the action of the receptor can be classified: relay of signal, amplification, or integration. Relaying sends the signal onward, amplification increases the effect of a single ligand, and integration allows the signal to be incorporated into another biochemical pathway. In this sense, a receptor is a protein-molecule that recognizes and responds to endogenous chemical signals. For example, an acetylcholine receptor recognizes and responds to its endogenous ligand, acetylcholine. However, sometimes in pharmacology, the term is also used to include other proteins that are drug targets, such as enzymes, transporters, and ion channels.
Apparatus and methods for analyte measurement and immuno assay
ActiveUS20030170881A1Avoid disadvantagesBioreactor/fermenter combinationsBiological substance pretreatmentsPoint of careOrganism
The present invention relates to an apparatus for conducting a variety of assays for the determination of analytes in liquid samples, and relates to the methods for such assays. In particular, the invention relates to a single-use cartridge designed to be adaptable to a variety of real-time assay protocols, preferably assays for the determination of analytes in biological samples using immunosensors or other ligand / ligand receptor-based biosensor embodiments. The cartridge provides novel features for processing a metered portion of a sample, for precise and flexible control of the movement of a sample or second fluid within the cartridge, for the amending of solutions with additional compounds during an assay, and for the construction of immunosensors capable of adaptation to diverse analyte measurements. The disclosed device and methods of use enjoy substantial benefits over the prior art, including simplicity of use by an operator, rapid in situ determinations of one or more analytes, and single-use methodology that minimizes the risk of contamination of both operator and patient. The disclosed invention is adaptable to the point-of-care clinical diagnostic field, including use in accident sites, emergency rooms, surgery, nursing homes, intensive care units, and non-medical environments.
Owner:ABBOTT POINT CARE
Method and compositions using a chimeric antigen receptor for enhanced anti-tumor effector functioning of T cells
Integration of costimulatory signaling domains within a tumor targeting chimeric antigen receptor (CAR), such as the IL13Rα2 specific IL13-zetakine (IL13ζ), enhances T cell-mediated responses against tumors even in the absence of expressed ligands for costimulatory receptors.
Owner:CITY OF HOPE
Pd-1 binding proteins
ActiveUS20110008369A1Enhance host anti-microbial immunityImprove immunityAntibody mimetics/scaffoldsImmunoglobulins against animals/humansPD-L1Host immunity
The present invention features PD-1 binding proteins, a subset of which inhibits binding of PD-L1 to the PD-1 receptor. These binding proteins can be employed to modulate the immune system through the manipulation of the PD-1 signaling pathway, enhancing host immunity to treat infections and cancer.
Owner:MERCK SHARP & DOHME LLC
Administration of TLR7 ligands and prodrugs thereof for treatment of infection by hepatitis C virus
InactiveUS20050054590A1Reduce sensitivityAvoid spreadingBiocideDigestive systemHepatitis c viralSide effect
This invention relates to methods for treating or preventing hepatitis C virus infections in mammals using Toll-Like Receptor (TLR)7 ligands and prodrugs thereof. More particularly, this invention relates to methods of orally administering a therapeutically effective amount of one or more prodrugs of TLR7 ligands for the treatment or prevention of hepatitis C viral infection. Oral administration of these TLR7 immunomodulating ligands and prodrugs thereof to a mammal provides therapeutically effective amounts and reduced undesirable side effects.
Owner:ANDADYS PHARMA INC
Multifunctional and multispectral biosensor devices and methods of use
InactiveUS6743581B1Immobilised enzymesBioreactor/fermenter combinationsElectromagnetic radiationBiology
An integrated biosensor system for the simultaneously detection of a plurality of different types of targets includes at least one sampling platform, the sampling platform including a plurality of receptors for binding to the targets. The plurality of receptors include at least one protein receptor and at least one nucleic acid receptor. At least one excitation source of electromagnetic radiation at a first frequency is provided for irradiating the receptors, wherein electromagnetic radiation at a second frequency different from the first frequency is emitted in response to irradiating when at least one of the different types of targets are bound to the receptor probes. An integrated circuit detector system having a plurality of detection channels is also provided for detecting electromagnetic radiation at said second frequency, the detection channels each including at least one detector.
Owner:UT BATTELLE LLC
Assays based on liquid flow over arrays
InactiveUS20060275852A1Highly credible resultLow coefficient of variationBioreactor/fermenter combinationsBiological substance pretreatmentsAssayAnalyte
Cassette (50) performs assays, e.g. multiplexed protein biomarker assays. Wide, bubble-free, slow flows are produced from liquids stored on cassette (50), flowing over wide array (20) of ligand receptors on a capture surface. Flows of Reynolds Number less than about 1, preferably 1×10−1 to 5×10−3, are heated in region (34) preceding and including bubble removal system (128). Analyte is introduced through compressed septum (32). External actuations of displacement pumps (30, 37) and valves (137 A, B, and C) produce flows in response to flow-front optical sensors (150, 152). Elastic sheet provides pump and valve diaphragms and resilient expansion of mixing volume (131). Break-away cover portions are pistons. Heating is by conduction through cassette from external contact heater. Planar cassette body, when tilted from horizontal, enables upward flow from pumped storage (134, 135) to reaction (133) to waste (139), with buoyancy bubble removal before reaction. Reading of fluorescence is by external reader, employing calibration, control and reference features on capture surface. Extensive set of calibration features of differing intensities enables self-calibration.
Owner:AVANTRA BIOSCI CORP
Method of enhancing of binding activity of antibody composition to Fcgamma receptor IIIa
A method for enhancing a binding activity of an antibody composition to Fcgamma receptor IIIa, which comprises modifying a complex N-glycoside-linked sugar chain which is bound to the Fc region of an antibody molecule; a method for enhancing an antibody-dependent cell-mediated cytotoxic activity of an antibody composition; a process for producing an antibody composition having an enhanced binding activity to Fcgamma receptor IIIa; a method for detecting the ratio of a sugar chain in which fucose is not bound to N-acetylglucosamine in the reducing end in the sugar chain among total complex N-glycoside-linked sugar chains bound to the Fc region in an antibody composition; an Fc fusion protein composition produced by using a cell resistant to a lectin which recognizes a sugar chain in which 1-position of fucose is bound to 6-position of N-acetylglucosamine in the reducing end through alpha-bond in a complex N-glycoside-linked sugar chain; and a process for producing the same.
Owner:KYOWA HAKKO KIRIN CO LTD
Methods for microdispensing patterened layers
InactiveUS6306594B1Efficient couplingShort response timeMicrobiological testing/measurementBurettes/pipettesAnalyteClinical settings
An efficient method for the microfabrication of electronic devices which have been adapted for the analyses of biologically significant analyte species is described. The techniques of the present invention allow for close control over the dimensional features of the various components and layers established on a suitable substrate. Such control extends to those parts of the devices which incorporate the biological components which enable these devices to function as biological sensors. The materials and methods disclosed herein thus provide an effective means for the mass production of uniform wholly microfabricated biosensors. Various embodiments of the devices themselves are described herein which are especially suited for real time analyses of biological samples in a clinical setting. In particular, the present invention describes assays which can be performed using certain ligand / ligand receptor-based biosensor embodiments. The present invention also discloses a novel method for the electrochemical detection of particular analyte species of biological and physiological significance using an substrate / label signal generating pair which produces a change in the concentration of electroactive species selected from the group consisting of dioxygen and hydrogen peroxide.
Owner:I STAT CORP
Chimeric receptor genes and cells transformed therewith
Chimeric receptor genes suitable for endowing lymphocytes with antibody-type specificity include a first gene segment encoding a single-chain Fv domain of a specific antibody and a second gene segment encoding all or part of the transmembrane and cytoplasmic domains, and optionally the extracellular domain, of an immune cell-triggering molecule. The chimeric receptor gene, when transfected to immune cells, expresses the antibody-recognition site and the immune cell-triggering moiety into one continuous chain. The transformed lymphocytes are useful in therapeutic treatment methods.
Owner:UNITED STATES OF AMERICA +1
Novel Thieno-Pyridine and Thieno-Pyrimidine Derivatives and Their Use as Positive Allosteric Modulators of Mglur2-Receptors
The present invention relates to novel compounds, in particular novel thieno-pyridine and thieno-pyrimidine derivatives according to Formula (I), wherein all radicals are defined in the application. The compounds according to the invention are positive allosteric modulators of metabotropic receptors-subtype 2 ("mGluR2") which are useful for the treatment or prevention of neurological and psychiatric disorders associated with glutamate dysfunction and diseases in which the mGluR2 subtype of metabotropic receptors is involved. In particular, such diseases are central nervous system disorders selected from the group of anxiety, schizophrenia, migraine, depression, and epilepsy. The invention is also directed to pharmaceutical compositions and processes to prepare such compounds and compositions, as well as to the use of such compounds for the prevention and treatment of such diseases in which mGluR2 is involved.
Owner:ORTHO MCNEIL JANSSEN PHARMA
Chimeric receptors with 4-1bb stimulatory signaling domain
InactiveUS20130266551A1Provide immunitySpecific and vigorous preferential expansionBiocideAntibody mimetics/scaffoldsChimeric antigen receptorBiological activation
The present invention relates to a chimeric receptor capable of signaling both a primary and a co-stimulatory pathway, thus allowing activation of the co-stimulatory pathway without binding to the natural ligand. The cytoplasmic domain of the receptor contains a portion of the 4-1BB signaling domain. Embodiments of the invention relate to polynucleotides that encode the receptor, vectors and host cells encoding a chimeric receptor, particularly including T cells and natural killer (NK) cells and methods of use.
Owner:ST JUDE CHILDRENS RES HOSPITAL INC
DNA constructs encoding ligand-binding fusion proteins
Methods for producing secreted receptor analogs and biologically active peptide dimers are disclosed. The methods for producing secreted receptor analogs and biologically active peptide dimers utilize a DNA sequence encoding a receptor analog or a peptide requiring dimerization for biological activity joined to a dimerizing protein. The receptor analog includes a ligand-binding domain. Polypeptides comprising essentially the extracellular domain of a human PDGF receptor fused to dimerizing proteins, the portion being capable of binding human PDGF or an isoform thereof, are also disclosed. The polypeptides may be used within methods for determining the presence of and for purifying human PDGF or isoforms thereof.
Owner:ZYMOGENETICS INC
Delivery of enzymes to the brain
InactiveUS20050142141A1Reduces immunogenic reactionPeptide/protein ingredientsImmunoglobulins against cell receptors/antigens/surface-determinantsPeptideBiophysics
Delivery of large enzymes to the brain via transport across the blood-brain barrier (BBB) utilizing conjugates, or fusion proteins, which are composed of a therapeutic enzyme and a BBB targeting agent (molecular Trojan horse). The enzyme is missing in the brain, and does not cross the BBB. The molecular Trojan horse is a receptor-specific endogenous peptide, or peptidomimetic monoclonal antibody (MAb), that undergoes receptor-mediated transport across the BBB, thereby carrying into brain the attached enzyme.
Owner:RGT UNIV OF CALIFORNIA
Biosensors for single cell and multi cell analysis
InactiveUS20030104512A1Microbiological testing/measurementBiological testingElectricityBiological cell
The present invention relates to a structure comprising a biological membrane and substrate with fluidic network, an array of membranes and an array of fluidic networks in substrate, a high throughput screen, methods for production of the membrane, substrate structure, and a method for interconnected array of substrate structures and a method for attaching membranes to structure, a method to electrically record events from the membranes and a method to screen large compound library using the array. More particularly, it relates to biological cells and artificial cell membranes adhered to the substrate with a high electrical resistivity seal, a method to manufacture array configuration of such substrates, and a method to screen compounds using the membrane receptors such as ion-channels, ion pumps, & receptors.
Owner:CYTOPLEX BIOSCI
Transgenic non-human animals expressing a truncated activintype II receptor
InactiveUS6891082B2Increase myostatin signal transductionReduce and inhibitPeptide/protein ingredientsMuscular disorderMyostatinBrown adipose tissue
The present invention provides a substantially purified growth differentiation factor (GDF) receptor, including a GDF-8 (myostatin) receptor, as well as functional peptide portions thereof. In addition, the invention provides a virtual representation of a GDF receptor or a functional peptide portion thereof. The present invention also provides a method of modulating an effect of myostatin on a cell by contacting the cell with an agent that affects myostatin signal transduction in the cell. In addition, the invention provides a method of ameliorating the severity of a pathologic condition, which is characterized, at least in part, by an abnormal amount, development or metabolic activity of muscle or adipose tissue in a subject, by modulating myostatin signal transduction in a muscle cell or an adipose tissue cell in the subject. The invention also provides a method of modulating the growth of muscle tissue or adipose tissue in a eukaryotic organism by administering an agent that affects myostatin signal transduction to the organism.
Owner:THE JOHN HOPKINS UNIV SCHOOL OF MEDICINE
Heterodimer Binding Proteins and Uses Thereof
InactiveUS20130129723A1Animal cellsFused cellsImmunoglobulin Joining RegionImmunoglobulin light chain
The present disclosure provides polypeptide heterodimers formed between two different single chain fusion polypeptides via natural heterodimerization of an immunoglobulin CH1 region and an immunoglobulin light chain constant region (CL). The polypeptide heterodimer comprises two or more binding domains that specifically bind one or more targets (e.g., a receptor). In addition, both chains of the heterodimer further comprise an Fc region portion. The present disclosure also provides nucleic acids, vectors, host cells and methods for making polypeptide heterodimers as well as methods for using such polypeptide heterodimers, such as in directing T cell activation, inhibiting solid malignancy growth, and treating autoimmune or inflammatory conditions.
Owner:EMERGENT PRODUCTS DEVELOPMENT SEATTLE LLC
Mutant receptors and their use in a nuclear receptor-based inducible gene expression system
InactiveUS20050266457A1Improve efficiencyGreat degree of sequence similarityBiocideBacteriaHigh-Throughput Screening AssaysGenomics
This invention relates to the field of biotechnology or genetic engineering. Specifically, this invention relates to the field of gene expression. More specifically, this invention relates to novel substitution mutant receptors and their use in a nuclear receptor-based inducible gene expression system and methods of modulating the expression of a gene in a host cell for applications such as gene therapy, large scale production of proteins and antibodies, cell-based high throughput screening assays, functional genomics and regulation of traits in transgenic organisms.
Owner:PRECIGEN INC
System and method of microdispensing and arrays of biolayers provided by same
InactiveUS20020090738A1Bioreactor/fermenter combinationsBiological substance pretreatmentsReal time analysisClinical settings
Owner:ABBOTT POINT CARE
Recombinant IL-9 antibodies and uses thereof
InactiveUS20050002934A1Reduces function and activity and expressionReduced activityAntibacterial agentsNervous disorderAutoimmune diseaseImmunologic specificity
The present invention provides novel antibodies that immunospecifically bind to an IL-9 polypeptide and compositions comprising said antibodies. The present invention also provides methods and compositions preventing, treating, managing, and / or ameliorating diseases and disorders associated with aberrant expression and / or activity of IL 9 or IL-9 receptor or subunits thereof, autoimmune diseases, inflammatory diseases, proliferative diseases, and infections comprising administration of one or more antibodies thereof that immunospecifically bind to an IL-9 polypeptide. The invention also encompasses methods and compositions for diagnosing, monitoring, and prognosing these disorders. The present invention further relates to articles of manufacture and kits comprising antibodies that immunospecifically bind to an IL-9 polypeptide.
Owner:MEDIMMUNE LLC
Quantification method for remaining liver function and novel liver receptor imaging agent
ActiveUS20110097265A1High measurement accuracyImprove accuracySugar derivativesSaccharide peptide ingredientsDiseaseReceptor
A test indicator for quantifying remaining liver function is provided. A novel liver receptor imaging agent with liver targeting property is utilized to develop a method for quantifying remaining liver function to serve as test indicator for judging the liver failure outcome in clinic, particularly for judging the necessity of liver transplantation for patients with liver failure or liver disease. The radioactivity uptake of the test indicator was negatively correlated with the extent of liver reserve. The cutoff value of liver reserve for liver transplantation is also disclosed.
Owner:INST NUCLEAR ENERGY RES ROCAEC
Electromagnetic activation of gene expression and cell growth
InactiveUS20050059153A1Accelerating cell cycleReduce inflammationElectrotherapyMutant preparationAngiotensin receptorA-DNA
The invention is directed to a method for accelerating the cell cycle by delivering to a cell an effective amount of electromagnetic energy. The invention also provides a method for activating a cell cycle regulator by delivering to a cell an effective amount of electromagnetic energy. Also provided by the invention is a method for activating a signal transduction protein; a method for activating a transcription factor; a method for activating a DNA synthesis protein; and a method for activating a Receptor. A method for inhibiting an angiotensin receptor as well as a method for reducing inflammation also are provided by the present invention. The invention also is directed to a method for replacing damaged neuronal tissue as well as a method for stimulating growth of administered cells.
Owner:REGENESIS BIOMEDICAL
Antibodies Reactive with B7-H3, Immunologically Active Fragments Thereof and Uses Thereof
ActiveUS20130149236A1Increased activationAnimal cellsIn-vivo radioactive preparationsHuman cancerCancer cell
The present invention relates to antibodies and their fragments that are immunoreactive to the mammalian, and more particularly, the human B7-H3 receptor and to uses thereof, particularly in the treatment of cancer and inflammation. The invention thus particularly concerns humanized B7-H3-reactive antibodies and their immunoreactive fragments that are capable of mediating, and more preferably enhancing the activation of the immune system against cancer cells that are associated with a variety of human cancers.
Owner:MACROGENICS INC
Multi-Chain Chimeric Antigen Receptor and Uses Thereof
ActiveUS20140134142A1Modulate activityStrong specificityPeptide/protein ingredientsAntibody mimetics/scaffoldsAntigen receptorReceptor
The present invention relates to a new generation of chimeric antigen receptors (CAR) referred to as multi-chain CARs. Such CARs, which aim to redirect immune cell specificity and reactivity toward a selected target exploiting the ligand-binding domain properties, comprise separate extracellular ligand binding and signaling domains in different transmembrane polypeptides. The signaling domains are designed to assemble in juxtamembrane position, which forms flexible architecture closer to natural receptors, that confers optimal signal transduction. The invention encompasses the polynucleotides, vectors encoding said multi-chain CAR and the isolated cells expressing them at their surface, in particularly for their use in immunotherapy. The invention opens the way to efficient adoptive immunotherapy strategies for treating cancer and viral infections.
Owner:CELLECTIS SA
Novel peptides and combination of peptides for use in immunotherapy against small cell lung cancer and other cancers
ActiveUS20170096461A1High error rateIncrease in motilityNervous disorderAntibody mimetics/scaffoldsPeptideDrug
The present invention relates to peptides, proteins, nucleic acids and cells for use in immunotherapeutic methods. In particular, the present invention relates to the immunotherapy of cancer. The present invention furthermore relates to tumor-associated T-cell peptide epitopes, alone or in combination with other tumor-associated peptides that can for example serve as active pharmaceutical ingredients of vaccine compositions that stimulate anti-tumor immune responses, or to stimulate T cells ex vivo and transfer into patients. Peptides bound to molecules of the major histocompatibility complex (MHC), or peptides as such, can also be targets of antibodies, soluble T-cell receptors, and other binding molecules.
Owner:IMMATICS BIOTECHNOLOGIES GMBH
Compositions and methods for diagnosing and treating cancer
The present invention relates to compositions and methods for characterizing, diagnosing, and treating cancer. In particular the invention provides the means and methods for the diagnosis, characterization, prognosis and treatment of cancer and specifically targeting cancer stem cells. The present invention provides an antibody that specifically binds to a non-ligand binding region of the extracellular domain of a human NOTCH receptor and inhibits growth of tumor cells. The present invention further provides a method of treating cancer, the method comprising administering a therapeutically effective amount of an antibody that specifically binds to a non-ligand binding region of the extracellular domain of a human NOTCH receptor protein and inhibits growth of tumor cells.
Owner:MEREO BIOPHARMA 5 INC
Redirection of cellular immunity by receptor chimeras
InactiveUS7049136B2Enhances immune system responseImprove responseVirusesPeptide/protein ingredientsAbnormal tissue growthCancer cell
Disclosed is a method of directing a cellular response in a mammal by expressing in a cell of the mammal a chimeric receptor which causes the cells to specifically recognize and destroy an infective agent, a cell infected with an infective agent, a tumor or cancerous cell, or an autoimmune-generated cell. Also disclosed are cells which express the chimeric receptors and DNA encoding the chimeric receptors.
Owner:THE GENERAL HOSPITAL CORP
Mutant interleukin-2 polypeptides
ActiveUS20120244112A1Eliminates and decrease and delayEliminates and decrease and and and effectPeptide/protein ingredientsAntibody mimetics/scaffoldsImmunotherapeutic agentReceptor
The present invention generally relates to mutant interleukin-2 polypeptides that exhibit reduced affinity to the α-subunit of the IL-2 receptor, for use as immunotherapeutic agents. In addition, the invention relates to immunoconjugates comprising said mutant IL-2 polypeptides, polynucleotide molecules encoding the mutant IL-2 polypeptides or immunoconjugates, and vectors and host cells comprising such polynucleotide molecules. The invention further relates to methods for producing the mutant IL-2 polypeptides or immunoconjugates, pharmaceutical compositions comprising the same, and uses thereof.
Owner:ROCHE GLYCART AG
Single-domain antibodies for novel coronavirus and application of single-domain antibodies
ActiveCN111303279AHigh affinityAnd high activityImmunoglobulins against virusesAntiviralsAntigenReceptor
The invention discloses humanized single-domain antibodies for a novel coronavirus SARS-CoV-2 and an application of the humanized single-domain antibodies. The invention protects the single-domain antibodies described in any one of SEQ ID No.1 to SEQ ID No.5. Experimental results show that the single-domain antibodies provided by the invention have good affinity with receptor binding domain (RBD)antigens and have high neutralization activity on SARS-CoV-2 pseudovirus. The humanized single-domain antibodies have important scientific significance and application prospect for prevention and clinical treatment of the new coronavirus SARS-CoV-2 and for development of diagnostic reagents of the new coronavirus SARS-CoV-2.
Owner:BEIJING KAWIN TECH SHARE HLDG
SARS-CoV-2 vaccine and preparation method thereof
ActiveCN111217917AEnter to helpImproving immunogenicityPolypeptide with localisation/targeting motifSsRNA viruses positive-senseAntigenDisease
The invention relates to a preparation method for a vaccine capable of treating and / or preventing SARS-CoV-2 infection or COVID-19 diseases. The core antigen of the vaccine comprises the RBD (receptor binding zone) fusion protein of the SARS-CoV-2, and a vaccine form comprises an RBD fusion protein subunit vaccine, an RBD fusion protein mRNA vaccine or an RBD fusion protein adenovirus vector vaccine. The above vaccine immunizes an organism, and immune reaction for treating and / or preventing the SARS-CoV-2 infection can be generated so as to be used for treating and / or preventing COVID-19. The invention also relates to an RBD fusion gene, the RBD fusion protein, a carrier, a cell, a preparation method, a treatment method or a pharmacy purpose of the SARS-CoV-2.
Owner:CANSINO BIOLOGICS INC
Sulfonamide and carboxamide derivatives and drugs containing the same as the active ingredient
InactiveUS6448290B1Low toxicityEasy to useBiocideOrganic chemistryBULK ACTIVE INGREDIENTAnalgesic agents
The sulfonamide or carboamide derivatives of the formula (I) and a pharmaceutical composition which comprise them as an active ingredient:(wherein A ring, B ring is carbocyclic ring, heterocyclic ring; Z1 is -COR1, -CH=CH-COR1 etc.; Z2 is H, alkyl etc.; Z3 is single bond, alkylene; Z4 is SO2, CO; Z5 is alkyl, phenyl, heterocyclic ring etc.; R2 is CONR8, O, S, NZ6, Z7-alkylene, alkylene etc.; R3 is H, alkyl, halogen, CF3 etc.; R4 is H, (substituted) alkyl etc.; n, t is 1-4).The compounds of the formula (I) can bind to receptors of PGE2 and show antagonistic activity against the action thereof or agonistic activity. Therefore, they are considered to be useful as medicine for inhibition of uterine contraction, analgesics, antidiarrheals, sleep inducers, medicine for increase of vesical capacity or medicine for uterine contraction, cathartic, suppression of gastric acid secretion, antihypertensive or diuretic agents.
Owner:ONO PHARMA CO LTD
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