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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Cimino, G. Alimena, G. Berrebi, A. Feinstein, E. Kishi, K. Gale, R. P. Berthier, R. Goldman, J. Zaccaria, A. Canaani, E. |
| Description | Author Affiliation: Feinstein E ( Department of Chemical Immunology, Weizmann Institute of Science, Rehovot, Israel.); |
| Abstract | All patients with chronic myelogenous leukemia (CML) undergo clinical transition from chronic to acute phase. This transition is often associated with deletion of the short arm of chromosome 17 in the form of the i(17q) aberration. Since the p53 gene is a suppressor gene and is located on 17p13, we examined the possibility that it is inactivated during progression of CML. Therefore, we studied the structure and expression of p53 in the leukemic cells of a large number of CML patients in acute phase. We found that although the gene is rarely rearranged, one p53 allele is completely deleted in patients with the i(17q) aberration as well as in some patients who do not show karyotypic changes. In all of these patients the remaining allele is inactivated through loss of expression, rearrangement, or point mutation. Detailed analysis of some patients who carry both p53 alleles indicated neither loss of expression nor structural alterations. It appears that p53 loss of function is associated with progression of around 25% of CML patients. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 14 |
| Volume Number | 88 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 1991-08-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Gene Rearrangement Genes, Tumor Suppressor Leukemia, Myelogenous, Chronic, BCR-ABL Positive Genetics Leukemia, Myeloid, Acute Mutation Tumor Suppressor Protein P53 Base Composition Cell Line Chromosomes, Human, Pair 22 Chromosomes, Human, Pair 9 Physiopathology Models, Structural Molecular Sequence Data Nucleic Acid Conformation RNA, Neoplasm Isolation & Purification Restriction Mapping Translocation, Genetic Research Support, Non-U.S. Gov't Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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