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5792655 Method for culturing T lineage precursor cells under conditions of high oxygen concentration  
The present invention provides culture methods of T lineage precursor cells comprising a step of culturing the T lineage precursor cells under a condition that a dissolved oxygen concentration in...
5789247 Expression in non-tumoral human lymphoblastoid lines with an integrative vector  
A plasmid vector designed for transforming lymphoblastoid cells, immortalized by Epstein Barr virus, for producing heterologous proteins, which comprises the bacterial DNA elements required for its...
5776778 Growth factor preparation of thymocyte cell culture medium its production and use  
The present invention relates to a growth factor preparation derived from a mixed lymphocyte culture, and a process for its production. The invention also relates to a cell culture medium...
5776754 Preserved cell preparations for flow cytometry and immunology  
This invention discloses a population of cells which have been preserved in non-frozen hydrated form, and which have been chemically treated in a manner that renders them metabolically inert and...
5772994 Hematopoietic facilitatory cells and their uses  
The present invention relates to mammalian hematopoietic facilitatory cells (FC). In particular, it relates to the isolation, characterization and uses of the FC. The FC of the present invention...
5766944 T cell differentiation of CD34+ stem cells in cultured thymic epithelial fragments  
A procedure for carrying out T cell differentiation of CD34+ stem cells in an in vitro culture of thymic epithelial fragments whereby the differentiated T cells achieve full immunocompetence. The...
5766859 Ribonuclease L inhibitor as an indicator of chronic fatigue syndrome  
Chronic fatigue syndrome in an individual is diagnosed by determining the level of RNase L inhibitor mRNA or protein in peripheral blood mononuclear cells. Significantly decreased levels of RLI...
5766880 Isolated nucleic acid molecules encoding multidrug resistance proteins  
A novel protein associated with multidrug resistance in living cells and capable of conferring multidrug resistance on a cell is disclosed. Nucleic acids encoding the novel multidrug resistance...
5766588 Tumor immunotherapy using anti-idiotypic antibodies  
The present invention relates to methods which utilize anti-idiotypic antibodies, or fragments thereof, for tumor immunotherapy or immunoprophylaxis. Monoclonal anti-idiotypic antibodies which...
5767073 D4 gene and methods of use thereof  
The sequence, molecular structure and expression of a cDNA clone, denoted D4, of human and murine origin, preferentially expressed in hematopoietic cells is described herein. The human cDNA clone...
5763156 Inhibition of complement mediated inflammatory response  
A composition and methods for use thereof relating to polypeptides having the ability to act as an inhibitor of complement C5b-9 complex activity. The compositions contain an 18 kDa protein found...
5763266 Methods, compositions and devices for maintaining and growing human stem and/or hematopoietics cells  
Methods, compositions and devices are provided for the growth of human stem and/or hematopoietic cells in culture. Bioreactors are provided in which diverse cell types are simultaneously-cultured...
5759793 Method for mammalian cell separation from a mixture of cell populations  
The invention provides a method for both the positive and negative selection of at least one mammalian cell population from a mixture of cell populations utilizing a magnetically stabilized...
5759805 CD69 transcriptional regulatory elements  
The present invention provides recombinant polynucleotides comprised of elements that regulate transcription and/or expression of coding sequences. These regulatory elements have been isolated from...
5760012 Methods and compounds for curing diseases caused by mutations  
The invention concerns the use of duplex oligonucleotides having both 2'-deoxyribonucleotides and ribonucleotides, wherein there is base pairing between the two types of nucleotides. The sequence...
5756097 Lymphokine activated effector cells for antibody-dependent cellular cytotoxicity (ADCC) treatment of cancer and other diseases  
This invention relates to processes and compositions for the immunotherapeutic treatment of cancer and non-malignant tumors. More particularly, this invention relates to processes and compositions...
5753464 DNA encoding a polypeptide having pre-B cell growth-supporting ability  
This invention relates to a gene encoding a polypeptide having pre-B cell growth-supporting ability, and an adhesion molecule of the polypeptide consisting of 318 amino acid residues having pre-B...
5753221 Transformed erythrocytes, process for preparing the same, and their use in pharmaceutical compositions  
The invention relates to compositions of erythrocytes that have been modified following hypotonic lysis and resealing by addition of 2',3'-dideoxycytidine-5'-triphosphate (ddCTP) or...
5747308 Recombinant DNA method  
There is described a method for obtaining a eukaryotic cell containing in its DNA multiple copies of a GS gene, comprising: transforming a eukaryotic glutamine auxotroph with a GS gene; selecting...
5747325 Devices comprising genetically engineered βcells  
The present disclosure relates to the application of genetic engineering to provide artificial β cells, i.e. cells which can secrete insulin in response to glucose. This is achieved preferably...
5744361 Expansion of human hematopoietic progenitor cells in a liquid medium  
The use of individual or combinations of cytokines, particularly IL-3, GM-CSF, and c-kit ligand are employed for long-term hematopoiesis in serum free culture in the absence of stromal cells. The...
5744354 Calcineurin inhibitory compounds and anchoring protein to induce IL-2 gene expression  
The present invention provides compositions and methods useful for isolating calcineurin as well as inhibiting calcineurin activity. The compositions are peptides that contain regions that are...
5744353 Cytolytic T cell lines which bind to complexes of tumor rejection antigens and HLA-B44 molecules  
Tumor rejection antigens presented by HLA-B44 molecules are described. These peptides are useful in diagnostic and therapeutic methodologies. The tumor rejection antigens are derived from MAGE...
5744456 Methods for obtaining production of a gene product in a host cell in vivo or in vitro using a DNA molecule for integration site independent gene expression  
Vectors for the integration of a gene into the genetic material of a mammalian host cell such that the gene may be expressed by the host cell comprise a promoter and the gene and include a dominant...
5741706 Anti-HIV ribozymes  
GUC and GUA ribozymes which cleave HIV RNA are provided. The ribozymes cleave HIV RNA in vitro and in vivo. When the ribozymes are expressed in cells, they inhibit HIV replication in the cells.
5736359 Isolated DNA molecules for integration site independent gene expression in mammalian host cells  
Vectors for the integration of a gene into the genetic material of a mammalian host cell such that the gene may be expressed by the host cell comprise a promoter and the gene and include a dominant...
5733542 Enhancing bone marrow engraftment using MSCS  
Method and preparations for enhancing bone marrow engraftment in an individual by administering (i) a culturally expanded mesenchymal stem cell preparation and (ii) a bone marrow graft. The...
5728581 Method of expanding hematopoietic stem cells, reagents and bioreactors for use therein  
The present invention provides methods and bioreactors for expanding stem cells in a population of cells substantially enriched in hematopoietic stem cells and substantially free of stromal cells....
5726041 Method for detecting a receptor-ligand complex using a cytochrome P450 reporter gene  
An improved method for measuring the activity of a promoter sequence in a mammalian cell using a reporter gene is provided. The improvement involves using a reporter cassette containing a DNA...
5716776 Enrichment by preferential mitosis of fetal lymphocytes from a maternal blood sample  
A method is presented for selective stimulation of fetal lymphocytes to divide in culture after treatment of mixed adult-fetal blood samples. This method is particularly useful for diagnosing...
5716845 Immortalized lymphocytes for production of viral-free proteins  
This invention is directed to construction of recombinant plasmids that contain the Epstein-Barr virus ("EBV") genetic information involved in the immortalization of human lymphocytes, but that...
5710037 Retroviral vector particles  
A retroviral vector which includes a nucleic acid sequence encoding a retroviral envelope. The nucleic acid sequence encoding a retroviral envelope includes a first nucleic acid sequence encoding a...
5705349 Methods for preparing polynucleotides encoding orphan receptor ligands  
Methods for obtaining cells that produce a ligand for an orphan receptor and methods for preparing polynucleotide molecules that encode ligands for orphan receptors are disclosed. The methods...
5702702 Modified cytotoxic tall cell line and compositions and methods for manufacture and use thereof as therapeutic reagents for cancer  
The invention provides a modified human cytotoxic T cell line, which is characterized by dual activity in vitro and in vivo against malignant cells and virus-infected cells. Also provided are...
5700640 Inducers of gamma globin gene expression and screening assays therefor  
Methods for stimulating gamma globin gene expression in a mammalian cell comprising contacting the cell with a compound selected from valeric acid and certain isomers, derivatives or salts thereof,...
5700691 Method for the preparation of in vitro-derived human neutrophil precursor cells  
A composition of human neutrophil precursor cells is disclosed wherein at least 16% of the cells are human myeloblasts and promyelocytes. The myeloblasts and promyelocytes are derived from human...
5695994 Isolated cytolytic T cells specific for complexes of MAGE related peptides and HLA molecules  
The invention involves a nonapeptide derived from the tumor rejection antigen precursor encoded by gene MAGE-3. This nonapeptide is presented by HLA molecules HLA-A1. The resulting complexes are...
5693535 HIV targeted ribozymes  
An enzymatic nucleic acid molecule which cleaves an immunodeficiency virus RNA in a gene required for viral replication, e.g., the nef or tat gene regions.
5691177 Recombinant retroviruses expressing a protein that converts a pro-drug into a cytotoxic agent  
Recombinant retroviruses carrying a vector construct capable of preventing, inhibiting, stabilizing or reversing infectious, cancerous or auto-immune diseases are disclosed. More specifically, the...
5691208 Magnetic separation apparatus and method  
Improved magnetic separators, devices and methods for magnetic separation procedures are provided. The improved separation devices contain matrices which provide uniform pores or channels that...
5686264 Compositions and methods relating to transdominant Tat mutants  
Transdominant HIV tat substitution and truncated gene mutants of 72 amino acid residues or less are disclosed. The mutated genes encode mutant Tat proteins which are capable of inhibiting the...
5686576 Differentiated megakaryocyte line producing novel megakaryocyte differentiation factor  
Differentiated megakaryocytes produced by introducing an activated oncogene into blast-megakaryocytes is disclosed. Also disclosed are novel megakaryocyte differentiation factors and platelets...
5686278 Methods for enhanced retrovirus-mediated gene transfer  
A method to increase the efficiency of transduction of hematopoietic cells by retroviruses includes infecting the cells in the presence of fibronectin or fibronectin fragments. The fibronectin and...
5686068 Isolated peptides derived from MAGE-2, cytolytic T cells specific to complexes of peptide and HLA-A2 molecules, and uses thereof  
New peptides derived from the MAGE-2 molecule and which bind to HLA-A*0201 molecules are disclosed. Some of these are especially useful because, when complexed to their HLA-A*0201 partner...
5679641 Peptides of human P53 protein for use in human T cell response inducing compositions, and human P53 protein-specific cytotoxic t-lymphocytes  
A peptide comprising an amino acid sequence derived from human p53 protein, wherein said amino acid sequence has the ability to bind to a human MHC Class I molecule. Its use in prophylactic or...
5677139 In vitro differentiation of CD34.sup.+ progenitor cells into T lymphocytes  
The invention involves a method for the in vitro T cell production. A monolayer of non-human primate thymic stromal cells are cocultured in vitro with primate hematopoietic T cell progenitor cells....
5677143 Cellular nucleic acid binding protein and uses thereof in regulating gene expression and in the treatment of aids  
The invention relates to a cellular protein which is specific and has high affinity for nucleic acid sequences characteristic of an intact TAR RNA loop sequence of the HIV LTR TAR region. The...
5677147 HIV-2 virus variants  
HIV-2 virus variants, namely virus HIV D194 and virus HIV D205, which can be cloned from the corresponding virus isolate HIV D194 (ECACC V 87122303) or from the infected cell line HUT 194 (ECACC V...
5677136 Methods of obtaining compositions enriched for hematopoietic stem cells, compositions derived therefrom and methods of use thereof  
A method for obtaining human hematopoietic stem cells is provided by enrichment for stem cells using a novel stem cell marker. Compositions enriched for stem cells are obtained using novel antibody...
5674723 Nucleic acid molecules which immortalize human or animal cells and uses thereof  
The present invention concerns DNA sequences which are suitable for immortalizing human or animal cells, processes for isolating such DNA sequences as well as processes for producing immortalized...