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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Huang, Q. H. Tong, J. H. Chen, Z. Mao, M. Tan, J. Z. Ye, J. Zhao, S. Y. Wang, Z. Y. Lanotte, M. Zhu, J. Fu, G. Yu, M. Yu, L. Chan, S. J. Waxman, S. |
| Description | Author Affiliation: Mao M ( Key Laboratory of Human Genome Research and Shangai Institute of Hematology, Shanghai, China.); |
| Abstract | In vivo all-trans-retinoic acid (ATRA), a differentiation inducer, is capable of causing clinical remission in about 90% of patients with acute promyelocytic leukemia (APL). The molecular basis for the differentiation of APL cells after treatment with ATRA remains obscure and may involve genes other than the known retinoid nuclear transcription factors. We report here the ATRA-induced gene expression in a cell line (NB4) derived from a patient with APL. By differential display-PCR, we isolated and characterized a novel gene (RIG-E) whose expression is up-regulated by ATRA. The gene is 4.0 kb long, consisting of four exons and three introns, and is localized on human chromosome region 8q24. The deduced amino acid sequence predicts a cell surface protein containing 20 amino acids at the N-terminal end corresponding to a signal peptide and an extracellular sequence containing 111 amino acids. The RIG-E coded protein shares some homology with CD59 and with a number of growth factor receptors. It shares high sequence homology with the murine LY-6 multigene family, whose members are small cysteine-rich proteins differentially expressed in several hematopoietic cell lines and appear to function in signal transduction. It seems that so far RIG-E is the closest human homolog of the LY-6 family. Expression of RIG-E is not restricted to myeloid differentiation, because it is also present in thymocytes and in a number of other tissues at different levels. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 12 |
| Volume Number | 93 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 1996-07-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Antigens, Surface Gene Expression Regulation, Neoplastic Drug Effects Leukemia, Promyelocytic, Acute Genetics Membrane Proteins Tretinoin Pharmacology Amino Acid Sequence Animals Cell Differentiation Chromosome Mapping Chromosomes, Human, Pair 8 GPI-Linked Proteins Pathology Mice Molecular Sequence Data Sequence Homology, Amino Acid Tumor Cells, Cultured Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, P.H.S. Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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