Abstract:
:Human gastric cancer MKN-45 cells were transfected with pULB 3238, a plasmid carrying MVMp NS-1 gene with its original P4 promoter replaced by the glucocorticoid inducible promoter MMTV-LTR. After the integration and expression of NS-1 gene, some of the transfectants died, while others remained alive, but the growth features of survived cells were changed. For further study on the antineoplastic function of parvoviral NS-1 protein in vivo, transgenic mice carrying NS-1 genes were established by conventional method. Among 4 founders, one of them was found to be able to transmit the transgene to around 50% of their offsprings. RT-PCR was performed to indicate the expression of NS-1 gene in transgenic mice and its mRNA appeared in a variety of tissues. The expression of integrated NS-1 gene may correlate with the decreased incidence of tumor induced in vivo by chemical carcinogens.
journal_name
Cell Resjournal_title
Cell researchauthors
Shen XZ,Tsung HC,Yang YW,Yang QH,Xiao SDdoi
10.1038/cr.1997.22subject
Has Abstractpub_date
1997-12-01 00:00:00pages
217-27issue
2eissn
1001-0602issn
1748-7838journal_volume
7pub_type
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