摘要:
Novel means and methods for analyzing hybridization data derived from hybridization assays between a target nucleic acid and differently sequenced polynucleotide probes involve selecting probe sets that define reference sequences for sequence signatures and deriving useful data about the nature of the target nucleic acid molecule based on its hybridization to the probes. The methods are useful for determining whether the target contains a nucleic acid or polypeptide sequence signature, whether the target encodes a member of a gene family, or whether the target is derived from one of any number of genes.
摘要:
Novel means and methods for analyzing hybridization data derived from hybridization assays between a target nucleic acid and differently sequenced polynucleotide probes involve selecting probe sets that define reference sequences for sequence signatures and deriving useful data about the nature of the target nucleic acid molecule based on its hybridization to the probes. The methods are useful for determining whether the target contains a nucleic acid or polypeptide sequence signature, whether the target encodes a member of a gene family, or whether the target is derived from one of any number of genes.
摘要:
This application relates to antibodies reactive with a novel homogenous human cytokine, Natural Killer Stimulator Factor (NKSF), having the ability to induce the production of gamma interferon in vitro in human peripheral blood lymphocytes, and a pharmaceutical preparation containing such antibodies.
摘要:
A method for preparing and isolating a transformation vector containing CSF/cDNA is described. The method comprises:preparing RNA from a cell that produces CSF;preparing polyadenylated messenger RNA from said RNA;preparing single stranded cDNA from said messenger RNA;converting the single stranded cDNA to double stranded cDNA;inserting the double stranded cDNA into transformation vectors and transforming bacteria with said vector to form colonies;picking pools of 200 to 500 colonies each and isolating plasmid DNA from each pool;transfecting the plasmid DNA into suitable host cells for expressing CSF protein;culturing the transfected cells and assaying the supernatant for CSF activity; andselecting CSF positive pools and screening the colonies used to make the pool to identify a colony having CSF activity. Also described are a cDNA coding for a protein having CSF activity (i.e. CSF/cDNA), a microorganism or cell line transformed with a recombinant vector containing such CSF/cDNA, and a method for producing CSF protein by expressing said CSF/cDNA by culturing a microorganism or cell line. The invention also provides a method of purifying the CSF proteins and the purified proteins so produced.
摘要:
A novel homogeneous human cytokine, Natural Killer Stimulatory Factor, having the ability to induce the production of gamma interferon in vitro in human peripheral blood lymphocytes, and a pharmaceutical preparation containing it.
摘要:
This application relates to antibodies reactive with a novel homogenous human cytokine, Natural Killer Stimulator Factor (NKSF), having the ability to induce the production of gamma interferon in vitro in human peripheral blood lymphocytes, and a pharmaceutical preparation containing such antibodies.
摘要:
This invention provides methods of monitoring the expression levels of a multiplicity of genes. The methods involve hybridizing a nucleic acid sample to a high density array of oligonucleotide probes where the high density array contains oligonucleotide probes complementary to subsequences of target nucleic acids in the nucleic acid sample. In one embodiment, the method involves providing a pool of target nucleic acids comprising RNA transcripts of one or more target genes, or nucleic acids derived from the RNA transcripts, hybridizing said pool of nucleic acids to an array of oligonucleotide probes immobilized on surface, where the array comprising more than 100 different oligonucleotides and each different oligonucleotide is localized in a predetermined region of the surface, the density of the different oligonucleotides is greater than about 60 different oligonucleotides per 1 cm2, and the olignucleotide probes are complementary to the RNA transcripts or nucleic acids derived from the RNA transcripts; and quantifying the hybridized nucleic acids in the array.