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11855 results about "Expression vector" patented technology
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An expression vector, otherwise known as an expression construct, is usually a plasmid or virus designed for gene expression in cells. The vector is used to introduce a specific gene into a target cell, and can commandeer the cell's mechanism for protein synthesis to produce the protein encoded by the gene. Expression vectors are the basic tools in biotechnology for the production of proteins.
Seed specific highly effective promoter and its application
The invention discloses a special promoter separated from millet, expressing carrier with nucleic acid sequence of SEQ ID No. 1 host with the expressing carrier and appliance of the promoter, which is characterized by the following: utilizing Tail-PCR (colored body step moving method); getting the special promoter from gene group DNA; possessing nucleic acid sequence of SEQ ID No. 1; ;linking downstream of the promoter to non-homologous or homologous gene; constructing plant expressing carrier; transferring host plant; driving the downstream gene to high effective and special express goal protein in the seed; realizing genetic modification of plant; or using as effective tool for studying plant and biological reactor.
Owner:CHINA AGRI UNIV
Seed specificity highly effective promoter and its application
InactiveCN101063139AReduce adverse effectsFermentationVector-based foreign material introductionHeterologousNucleotide
The invention discloses a special promoter separated from millet, expressing carrier with nucleic acid sequence of SEQ ID No. 1 host with the expressing carrier and appliance of the promoter, which is characterized by the following: utilizing Tail-PCR (colored body step moving method); getting the special promoter from gene group DNA; possessing nucleic acid sequence of SEQ ID No. 1; ;linking downstream of the promoter to non-homologous or homologous gene; constructing plant expressing carrier; transferring host plant; driving the downstream gene to high effective and special express goal protein in the seed; realizing genetic modification of plant; or using as effective tool for studying plant and biological reactor.
Owner:CHINA AGRI UNIV
Cyclic single-chain trispecific antibody
The invention provides a cyclic single-chain trispecific antibody against human tumor. It comprises three parts. The first part is an anti-tumor Fab antibody, an anti-tumor single-domain antibody or an scFv. The second part is a reshaped Fab antibody against human CD3, a reshaped single-domain antibody against human CD3 or a reshaped scFv against human CD3. The third part is a reshaped Fab antibody against human CD28, a reshaped single-domain antibody against human CD28 or a reshaped scFv against human CD28. The present invention also offers the DNA sequence coding for this trispecific antibody, expression vectors containing this DNA sequence and host cells (E. coli) containing the vectors.
Owner:DONGGUAN HAOFA BIOTECH DEVAL +2
Methods of synthesizing heteromultimeric polypeptides in yeast using a haploid mating strategy
ActiveUS20060270045A1Enhance full-length product generationIncrease secretionFungiMicrobiological testing/measurementBiotechnologyMating
Methods are provided for the synthesis and secretion of recombinant proteins preferably large mammalian proteins or hetero-multimeric proteins at high levels and for prolonged time in polyploid, preferably diploid yeast. These methods use various mating competent yeast, including Pichia. In a preferred embodiment, a first expression vector is transformed into a first haploid cell; and a second expression vector is transformed into a second haploid cell. The transformed haploid cells, each individually synthesizing a non-identical polypeptide, are identified and then genetically crossed or fused. The resulting diploid strains are utilized to produce and secrete fully assembled and biologically functional hetero-multimeric protein.
Owner:KECK GRADUATE INST OF APPLIED LIFE SCI +1
Helper-free rescue of recombinant negative strand RNA virus
Owner:MT SINAI SCHOOL OF MEDICINE
Helper-free rescue of recombinant negative strand RNA viruses
InactiveUS6544785B1SsRNA viruses negative-senseGenetic material ingredientsNegative strandNucleic acid sequence
The present invention relates methods of generating infectious negative-strand virus in host cells by an entirely vector-based system without the aid of a helper virus. In particular, the present invention relates methods of generating infectious recombinant negative-strand RNA viruses intracellularly in the absence of helper virus from expression vectors comprising cDNAs encoding the viral proteins necessary to form ribonucleoprotein complexes (RNPs) and expression vectors comprising cDNA for genomic viral RNA(s) (vRNAs) or the corresponding cRNA(s). The present invention also relates to methods of generating infectious recombinant negative-strand RNA viruses which have mutations in viral genes and / or which express, package and / or present peptides or polypeptides encoded by heterologous nucleic acid sequences. The present invention further relates the use of the recombinant negative-strand RNA viruses or chimeric negative-strand RNA viruses of the invention in vaccine formulations and pharmaceutical compositions.
Owner:MT SINAI SCHOOL OF MEDICINE
Novel Insecticidal Proteins and Methods for Their Use
Compositions and methods for controlling pests are provided. The methods involve transforming organisms with a nucleic acid sequence encoding an insecticidal protein. In particular, the nucleic acid sequences are useful for preparing plants and microorganisms that possess insecticidal activity. Thus, transformed bacteria, plants, plant cells, plant tissues and seeds are provided. Compositions are insecticidal nucleic acids and proteins of bacterial species. The sequences find use in the construction of expression vectors for subsequent transformation into organisms of interest, as probes for the isolation of other homologous (or partially homologous) genes. The insecticidal proteins find use in controlling, inhibiting growth or killing lepidopteran, coleopteran, dipteran, fungal, hemipteran, and nematode pest populations and for producing compositions with insecticidal activity.
Owner:PIONEER HI BRED INT INC
Optimization of antibodies that bind lymphocyte activation gene-3 (lag-3), and uses thereof
ActiveUS20140093511A1Improve physical stabilityGood chemical stabilityImmunoglobulins against cell receptors/antigens/surface-determinantsAntiviralsLymphocyteLymphocyte activation
The present invention provides isolated monoclonal antibodies that specifically bind LAG-3, and have optimized functional properties compared to previously described anti-LAG-3 antibodies, such as antibody 25F7 (US 2011 / 0150892 A1). These properties include reduced deamidation sites, while still retaining high affinity binding to human LAG-3, and physical (i.e., thermal and chemical) stability. Nucleic acid molecules encoding the antibodies of the invention, expression vectors, host cells and methods for expressing the antibodies of the invention are also provided, as well as immunoconjugates, bispecific molecules and pharmaceutical compositions comprising the antibodies. The present invention also provides methods for detecting LAG-3, as well as methods for treating stimulating immune responses using an anti-LAG-3 antibody of the invention. Combination therapy, in which the antibodies are co-administered with at least one additional immunostimulatory antibody, is also provided.
Owner:BRISTOL MYERS SQUIBB CO
Synthetic 5'UTRs, Expression Vectors, and Methods for Increasing Transgene Expression
ActiveUS20100293625A1Increase transgene expressionImprove stabilityVectorsSugar derivativesReticulum cellIntein
The present invention provides synthetic 5′UTRs comprising a first polynucleotide fragment and a second polynucleotide fragment, wherein the first polynucleotide fragment comprises at least one splice site of a first eukaryotic gene, the second polynucleotide fragment comprises at least a portion of 5′ untranslated region of a second eukaryotic gene, and the first polynucleotide fragment is located 5′ of the second polynucleotide fragment. In one embodiment, the first polynucleotide fragment comprises the second intron of a sarcoplasmic / endoplasmic reticulum calcium ATPase gene and the second polynucleotide fragment comprises at least a portion of the 5′ untranslated region (5′UTR) of a eukaryotic casein gene. The synthetic 5′UTRs are useful for increasing the expression of a transgene when positioned between a promoter and a transgene within an expression vector. The present invention also provides vectors comprising synthetic 5′UTRs and methods for increasing the expression of a transgene using synthetic 5′UTRs.
Owner:PRECIGEN INC
Optical depolarization of cardiac tissue
ActiveUS20090054954A1No painIncrease photosensitivitySurgical instrument detailsViruses/bacteriophagesManagement systemDepolarization
The invention provides a cardiac rhythm management system for stimulating a heart having photosensitive tissue, vectors useful to photosensitize cells expressing the vectors, and methods for light induced depolarization of cells.
Owner:CARDIAC PACEMAKERS INC
Novel Insecticidal Proteins and Methods for Their Use
ActiveUS20140033361A1Improve pest resistanceImprove toleranceBiocideAntibody mimetics/scaffoldsBiotechnologyOrder Lepidoptera
Compositions and methods for controlling pests are provided. The methods involve transforming organisms with a nucleic acid sequence encoding an insecticidal protein. In particular, the nucleic acid sequences are useful for preparing plants and microorganisms that possess insecticidal activity. Thus, transformed bacteria, plants, plant cells, plant tissues and seeds are provided. Compositions are insecticidal nucleic acids and proteins of bacterial species. The sequences find use in the construction of expression vectors for subsequent transformation into organisms of interest including plants, as probes for the isolation of other homologous (or partially homologous) genes. The pesticidal proteins find use in controlling, inhibiting growth or killing Lepidopteran, Coleopteran, Dipteran, fungal, Hemipteran and nematode pest populations and for producing compositions with insecticidal activity.
Owner:CORTEVA AGRISCIENCE LLC +1
Proteinaceous pharmaceuticals and uses thereof
InactiveUS20070191272A1High disulfide densityReduce molecular weightPeptide librariesNervous disorderCysteine thiolateBiology
The present invention provides cysteine-containing scaffolds and / or proteins, expression vectors, host cell and display systems harboring and / or expressing such cysteine-containing products. The present invention also provides methods of designing libraries of such products, methods of screening such libraries to yield entities exhibiting binding specificities towards a target molecule. Further provided by the invention are pharmaceutical compositions comprising the cysteine-containing products of the present invention.
Owner:AMUNIX OPERATING INC
Modified Fc molecules
Disclosed is a process for preparing a pharmacologically active compound, in which at least one internal conjugation site of an Fc domain sequence is selected that is amenable to conjugation of an additional functional moiety by a defined conjugation chemistry through the side chain of an amino acid residue at the conjugation site. An appropriate amino acid residue for conjugation may be present in a native Fc domain at the conjugation site or may be added by insertion (i.e., between amino acids in the native Fc domain) or by replacement (i.e., removing amino acids and substituting different amino acids). In the latter case, the number of amino acids added need not correspond to the number of amino acids removed from the previously existing Fc domain. This technology may be used to produce useful compositions of matter and pharmaceutical compositions containing them. A DNA encoding the inventive composition of matter, an expression vector containing the DNA, and a host cell containing the expression vector are also disclosed.
Owner:AMGEN INC
Methods for the production of ips cells using non-viral approach
ActiveUS20100003757A1Promote generationExpand the populationGenetically modified cellsVirus peptidesVector elementCell type
Methods and composition of induction of pluripotent stem cells and other desired cell types are disclosed. For example, in certain aspects methods for generating essentially vector-free induced pluripotent stem cells are described. Furthermore, the invention provides induced pluripotent stem cells and desired cell types essentially free of exogenous vector elements with the episomal expression vectors to express differentiation programming factors.
Owner:FUJIFILM CELLULAR DYNAMICS INC
Production of isoprenoids
The present invention provides methods for a robust production of isoprenoids via one or more biosynthetic pathways. The invention also provides nucleic acids, enzymes, expression vectors, and genetically modified host cells for carrying out the subject methods. The invention also provides fermentation methods for high productivity of isoprenoids from genetically modified host cells.
Owner:AMYRIS INC
Anti-pd-1 antibody and use thereof
This invention provides antibodies or functional fragments thereof that bind to PD-1 with high affinity. The invention provides nucleic acid molecules encoding the antibodies or the fragments thereof according to the present invention, expression vectors and host cells for expressing the antibodies or the functional fragments thereof according to the present invention, as well as methods for producing the antibodies or the functional fragments thereof according to the present invention. The present invention also provides immunoconjugates and pharmaceutical compositions comprising the antibodies or the functional fragments thereof according to the present invention. The present invention additionally provides methods for treating a plurality of diseases (comprising cancers, infectious diseases and inflammatory diseases) by using the antibodies or the functional fragments thereof disclosed herein.
Owner:JUNMENG BIOSCIENCES CO LTD +1
Polyclonal antibody composition for treating allergy
InactiveUS6849259B2Efficient removalPotential clinical advantageImmunoglobulins against animals/humansImmunoglobulins against plantsMicrosphereBULK ACTIVE INGREDIENT
A pharmaceutical composition for treating allergy is described. The composition comprises as an active ingredient a recombinant polyclonal antibody or a mixture of different monoclonal antibodies capable of reacting with or binding to an allergen together with one or more pharmaceutically acceptable excipients. The composition may be used topically as a solution, dispersion, powder, or in the form of microspheres. The polyclonal antibody is preferably a recombinant polyclonal antibody produced by phage display technology. The pairing of specific immunoglobulin variable region light chain and heavy chain maintained from the original polyclonal immune response or selected by panning using the allergen in question is preferably maintained by bulk transfer of the pairs into an expression vector.
Owner:SYMPHOGEN AS
Transgenic organism
InactiveUS20090007284A1Efficient productionEfficiency advantageAnimal cellsVectorsNucleotide sequencingPolynucleotide
A method of producing a transgenic cell comprising introducing into a cell a non-primate lentiviral expression vector comprising a nucleotide of interest (NOI). Also described is a method of producing a transgenic cell comprising introducing into a cell a lentiviral expression vector comprising a NOI capable of generating an antisense oligonucleotide, a ribozyme, an siRNA, a short hairpin RNA, a micro-RNA or a group 1 intron. Also described is a viral vector comprising a first nucleotide sequence, wherein said first nucleotide sequence comprises: (a) a second nucleotide sequence comprising an aptazyme; and (b) a third nucleotide sequence capable of generating a polynucleotide; wherein (a) and (b) are operably linked and wherein the aptazyme is activatable to cleave a transcript of the first nucleotide sequence such that said polynucleotide is generated.
Owner:RADCLIFFE PHILIPPA +2
Fully human antibody Fab fragments with human interferon-gamma neutralizing activity
InactiveUS7084257B2Peptide/protein ingredientsImmunoglobulins against cytokines/lymphokines/interferonsDNA-binding domainAntigen binding
Selective binding agents of interferon-gamma (IFNγ) are provided by the invention. More particularly, the invention provides for antibodies and antigen binding domains which selectively bind to IFNγ and may be used to prevent or treat conditions relating to autoimmune and inflammatory diseases such as rheumatoid arthritis, systemic lupus erythematosus and multiple sclerosis. Nucleic acid molecules encoding said antibodies and antigen binding domains, and expression vectors and host cells for the production of same are also provided.
Owner:AMGEN INC
Glucose dehydrogenase polypeptides and related polynucleotides
ActiveUS20050095619A1Increase dehydrogenase activityImprove thermal stabilitySugar derivativesBacteriaNucleotideWild type
The present invention is directed to glucose dehydrogenase (GDH) polypeptides that have enhanced GDH activity and / or thermostability relative to the backbone wild-type glucose dehydrogenase polypeptide. In addition, the present invention is directed to a polynucleotide that encodes for the GDH polypeptides of the present invention, to nucleic acid sequences comprising the polynucleotides, to expression vectors comprising the polynucleotides operatively linked to a promoter, to host cells transformed to express the GDH polypeptides, and to a method for producing the GDH polypeptides of the present invention.
Owner:CODEXIS INC
Biosynthesis of isopentenyl pyrophosphate
InactiveUS7172886B2High yieldImprove efficiencySugar derivativesBacteriaMicroorganismIsopentenyl pyrophosphate
Methods for synthesizing isopentenyl pyrophosphate are provided. A first method comprises introducing into a host microorganism a plurality of heterologous nucleic acid sequences, each coding for a different enzyme in the mevalonate pathway for producing isopentenyl pyrophosphate. A related method comprises introducing into a host microorganism an intermediate in the mevalonate pathway and at least one heterologous nucleic acid sequence, each sequence coding for an enzyme in the mevalonate pathway necessary for converting the intermediate into isopentenyl pyrophosphate. The invention also provides nucleic acid sequences, enzymes, expression vectors, and transformed host cells for carrying out the methods.
Owner:RGT UNIV OF CALIFORNIA
Multi plasmid system for the production of influenza virus
InactiveUS20050266026A1Easy to copyEnhanced ability to replicateSsRNA viruses negative-senseVectorsEmbryonated chicken eggCold adapted
Vectors and methods for the production of influenza viruses suitable as recombinant influenza vaccines in cell culture are provided. Bi-directional expression vectors for use in a multi-plasmid influenza virus expression system are provided. Additionally, the invention provides methods of producing influenza viruses with enhanced ability to replicate in embryonated chicken eggs and / or cells (e.g., Vero and / or MDCK) and further provides influenza viruses with enhanced replication characteristics. A method of producing a cold adapted (ca) influenza virus that replicates efficiently at, e.g., 25° C. (and immunogenic compositions comprising the same) is also provided.
Owner:MEDIMMUNE LLC
Gene targeting system
InactiveCN103224947AImprove the level ofHigh target shooting efficiencyVector-based foreign material introductionGene targetsZinc finger nuclease
The invention relates to a gene targeting system, which comprises two parts such as a site-specific cleavage nuclease expression vector and a targeting vector, wherein the targeting vector contains 2-10 donor DNA fragments, 5' ends and 3' ends of every donor DNA fragment are respectively inserted into recognition sequences of the site-specific cleavage nuclease, the donor DNA comprises an upstream homologous arm, a downstream homologous arm and an exogenous DNA sequence positioned between the upstream homologous arm and the downstream homologous arm, and the site-specific cleavage nuclease expression vector is any one selected from an expression vector carrying zinc finger nuclease, a transcription activator-like effector nuclease expression vector, and a RNA-mediated nuclease RNA:Cas9 expression vector.
Owner:SHAANXI NORMAL UNIV
Functional arrays for high throughput characterization of gene expression regulatory elements
InactiveUS20070161031A1Good curative effectEliminate side effectsMicrobiological testing/measurementLibrary screeningGenomicsHuman DNA sequencing
The present invention provides compositions, kits, assemblies, libraries, arrays, and high throughput methods for large scale structural and functional characterization of gene expression regulatory elements in a genome of an organism, especially in a human genome. In one aspect of the invention, an array of expression constructs is provided, each of the expression constructs comprising: a nucleic acid segment operably linked with a reporter sequence in an expression vector such that expression of the reporter sequence is under the transcriptional control of the nucleic acid segment, the nucleic acid segment varying in the library and having a diversity of at least 50. The nucleic acid segments can be a large library of gene expression regulatory elements such as transcriptional promoters. The present invention can have a wide variety of applications such as in personalized medicine, pharmacogenomics, and correlation of polymorphisms with phenotypic traits.
Owner:THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIV
Human monoclonal antibodies to programmed death 1 (PD-1) and methods for treating cancer using anti-PD-1 antibodies alone or in combination with other immunotherapeutics
ActiveCN101213297AMicrobiological testing/measurementImmunoglobulins against cell receptors/antigens/surface-determinantsImmunotherapeutic agentProgrammed death
The present invention provides isolated monoclonal antibodies, particularly human monoclonal antibodies, that specifically bind to PD-1 with high affinity. Nucleic acid molecules encoding the antibodies of the invention, expression vectors, host cells and methods for expressing the antibodies of the invention are also provided. Immunoconjugates, bispecific molecules and pharmaceutical compositions comprising the antibodies of the invention are also provided. The invention also provides methods for detecting PD-1, as well as methods for treating various diseases, including cancer and infectious diseases, using anti-PD-1 antibodies. The present invention further provides methods for using a combination immunotherapy, such as the combination of anti-CTLA-4 and anti-PD-1 antibodies, to treat hyperproliferative disease, such as cancer. The invention also provides methods for altering adverse events related to treatment with such antibodies individually.
Owner:ONO PHARMA CO LTD +1
Toxin peptide therapeutic agents
ActiveUS20070071764A1Avoid it happening againRelieve symptomsNervous disorderAntipyreticHalf-lifeSjögren syndrome
Disclosed is a composition of matter of the formula (X1)a—(F1)d—(X2)b—(F2)e—(X3)c (I) and multimers thereof, in which F1 and F2 are half-life extending moieties, and d and e are each independently 0 or 1, provided that at least one of d and e is 1; X1, X2, and X3 are each independently -(L)f-P-(L)g-, and f and g are each independently 0 or 1; P is a toxin peptide of no more than about 80 amino acid residues in length, comprising at least two intrapeptide disulfide bonds; L is an optional linker; and a, b, and c are each independently 0 or 1, provided that at least one of a, b and c is 1. Linkage to the half-life extending moiety or moieties increases the in vivo half-life of the toxin peptide, which otherwise would be quickly degraded. A pharmaceutical composition comprises the composition and a pharmaceutically acceptable carrier. Also disclosed are a DNA encoding the inventive composition of matter, an expression vector comprising the DNA, and a host cell comprising the expression vector. Methods of treating an autoimmune disorder, such as, but not limited to, multiple sclerosis, type 1 diabetes, psoriasis, inflammatory bowel disease, contact-mediated dermatitis, rheumatoid arthritis, psoriatic arthritis, asthma, allergy, restinosis, systemic sclerosis, fibrosis, scleroderma, glomerulonephritis, Sjogren syndrome, inflammatory bone resorption, transplant rejection, graft-versus-host disease, and lupus and of preventing or mitigating a relapse of a symptom of multiple sclerosis are also disclosed.
Owner:AMGEN INC
Methods for producing members of specific binding pairs
InactiveUS7063943B1Simple procedureSpeedSugar derivativesMicrobiological testing/measurementFree formGenetic diversity
A member of a specific binding pair (sbp) is identified by expressing DNA encoding a genetically diverse population of such sbp members in recombinant host cells in which the sbp members are displayed in functional form at the surface of a secreted recombinant genetic display package (rgdp) containing DNA encoding the sbp member or a polypeptide component thereof, by virtue of the sbp member or a polypeptide component thereof being expressed as a fusion with a capsid component of the rgdp. The displayed sbps may be selected by affinity with a complementary sbp member, and the DNA recovered from selected rgdps for expression of the selected sbp members. Antibody sbp members may be thus obtained, with the different chains thereof expressed, one fused to the capsid component and the other in free form for association with the fusion partner polypeptide. A phagemid may be used as an expression vector, with said capsid fusion helping to package the phagemid DNA. Using this method libraries of DNA encoding respective chains of such multimeric sbp members may be combined, thereby obtaining a much greater genetic diversity in the sbp members than could easily be obtained by conventional methods.
Owner:MEDIMMUNE LTD
Combined growth factor-deleted and thymidine kinase-deleted vaccinia virus vector
A composition of matter comprising a vaccinia virus expression vector with a negative thymidine kinase phenotype and a negative vaccinia virus growth factor phenotype.
Owner:GOVERNMENT OF THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SEC DEPT HEALTH & HUMAN SERVICES THE
Multi plasmid system for the production of influenza virus
InactiveUS20050158342A1Easy to copyEnhanced ability to replicateSsRNA viruses negative-senseVectorsEmbryonated chicken eggEukaryotic plasmids
Vectors and methods for the production of influenza viruses suitable as recombinant influenza vaccines in cell culture are provided. Bi-directional expression vectors for use in a multi-plasmid influenza virus expression system are provided. Additionally, the invention provides methods of producing influenza viruses with enhanced ability to replicate in embryonated chicken eggs and / or cells (e.g., Vero and / or MDCK) and further provides influenza viruses with enhanced replication characteristics. In addition, the present invention includes an improved method of rescue, wherein animal cells (e.g., SF Vero cells) are electroporated with plasmids and vectors of the invention.
Owner:MEDIMMUNE LLC
Ovr110 antibody compositions and methods of use
ActiveUS7619068B2Immunoglobulins against cell receptors/antigens/surface-determinantsAntibody ingredientsAntigenCancer cell
The invention provides isolated anti-ovarian, pancreatic, lung or breast cancer antigen (Ovr110) antibodies that internalize upon binding to Ovr110 on a mammalian in vivo. The invention also encompasses compositions comprising an anti-Ovr110 antibody and a carrier. These compositions can be provided in an article of manufacture or a kit. Another aspect of the invention is an isolated nucleic acid encoding an anti-Ovr110 antibody, as well as an expression vector comprising the isolated nucleic acid. Also provided are cells that produce the anti-Ovr110 antibodies. The invention encompasses a method of producing the anti-Ovr110 antibodies. Other aspects of the invention are a method of killing an Ovr110-expressing cancer cell, comprising contacting the cancer cell with an anti-Ovr110 antibody and a method of alleviating or treating an Ovr110-expressing cancer in a mammal, comprising administering a therapeutically effective amount of the anti-Ovr110 antibody to the mammal.
Owner:DIAZYME LAB INC
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