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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Mock, B. A. Zhang, S. Ramsay, E. S. |
| Description | Author Affiliation: Zhang S ( Laboratory of Genetics, Division of Basic Sciences, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892-4255, USA.); |
| Abstract | Plasma cell tumor induction in mice by pristane is under multigenic control. BALB/c mice are susceptible to tumor development; whereas DBA/2 mice are resistant. Restriction fragment length polymorphisms between BALB/c and DBA/2 for Cdkn2a(p16) and Cdkn2b(p15), and between BALB/c and Mus spretus for Cdkn2c(p18(INK4c)) were used to position these loci with respect to the Pctr1 locus. These cyclin-dependent kinase (CDK) inhibitors mapped to a 6 cM interval of chromosome 4 between Ifna and Tal1. C.D2-Chr 4 congenic strains harboring DBA/2 alleles associated with the Pctr1 locus contained DBA/2 'resistant' alleles of the CDK4/CDK6 inhibitors p16 and p15. On sequencing p16 and p18 cDNAs, two different allelic variants within ankyrin repeat regions of p16 were found between BALB/c and DBA/2 mice. By using an assay involving PCR amplification and restriction enzyme digestion, allelic variants were typed among several inbred strains of mice. One of the variants, G232A, was specific to two inbred strains, BALB/cAn and ABP/Le, of mice and occurred in a highly conserved amino acid in both human and rat p16. When tested with wild-type (DBA/2) p16, both A134C and G232A BALB/c-specific variants of p16 were inefficient in their ability to inhibit the activity of cyclin D2/CDK4 in kinase assays with retinoblastoma protein, suggesting this defective, inherited allele plays an important role in the genetic susceptibility of BALB/c mice for plasmacytoma induction and that p16(INK4a) is a strong candidate for the Pctr1 locus. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 5 |
| Volume Number | 95 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 1998-04-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Carrier Proteins Genetics Cell Cycle Proteins Cyclin-Dependent Kinase Inhibitor P16 Biosynthesis Genes, P16 Plasmacytoma Point Mutation Proteins Tumor Suppressor Proteins Amino Acid Sequence Animals Ankyrins Chemistry Chromosome Mapping Crosses, Genetic Cyclin-Dependent Kinase Inhibitor P15 Genes, Tumor Suppressor Genetic Predisposition To Disease Mice Mice, Inbred BALB C Mice, Inbred DBA Molecular Sequence Data Muridae Polymerase Chain Reaction Protein Biosynthesis Recombinant Fusion Proteins Repetitive Sequences, Nucleic Acid Species Specificity Tumor Suppressor Protein P14ARF Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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