VECTOR FOR INTEGRATION SITE INDEPENDENT GENE EXPRESSION IN MAMMALIAN HOST CELLS
专利汇可以提供VECTOR FOR INTEGRATION SITE INDEPENDENT GENE EXPRESSION IN MAMMALIAN HOST CELLS专利检索，专利查询，专利分析的服务。并且A vector 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. The vector comprises a promoter and the gene and an immunoglobulin dominant control region derived from the mouse lambda immunoglobulin gene locus capable of eliciting host cell-type restricted, integration site independent, copy number dependent expression of the said gene. The DNaseI super hypersensitive site exemplified are i) about 2.35 kb upstream of the CAP site of the rearranged lambda 1 gene, ii) about 2.5 kb upstream of the genomic V lambda 2 segment or iii) about 30 kb downstream of the rearranged lambda 1 gene. Mammalian host cells transformed with the vector are disclosed as are transgenic mammals transformed with the vector and a method of producing a polypeptide comprising culturing a transformed mammalian cell. A method of gene therapy comprising the steps of i) removing stem cells from the body of a mammal, ii) optionally killing stem cells remaining in the body, iii) transforming the removed stem cells with the vector containing a gene deficient or absent in the body, and iv) replacing the transformed stem cells in the body is also disclosed. Also disclosed is functional mouse immunoglobulin lambda 1 enhancer consisting of a DNA sequence comprising all or a functional part of the DNA sequence between the EcoRI site 3.8 kb downstream of the Xho I site in the rearranged mouse lambda 1 gene and the SnaBI site 10 kb downstream of this Xho I site. The functional mouse immunoglobulin lambda 1 enhancer may comprise all or a functional part of i) the 1.3 kb first HindIII to HindIII DNA fragment downstream of the EcoRI site 3.8 kb downstream of the Xho I site in the rearranged mouse lambda 1 gene, ii) the 3.3 kb HindIII to HindIII DNA fragment downstream of the EcoRI site 3.8 kb downstream of the Xho I site in the rearranged mouse lambda 1 gene and spanning the SnaBI site 10 kb downstream of this Xho I site.，下面是VECTOR FOR INTEGRATION SITE INDEPENDENT GENE EXPRESSION IN MAMMALIAN HOST CELLS专利的具体信息内容。
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