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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Kinoshita, S. Akira, S. Kishimoto, T. |
| Description | Author Affiliation: Kinoshita S ( Institute for Molecular and Cellular Biology, Osaka University, Japan.); |
| Abstract | Using a DNA probe from the DNA-binding portion of the NF-IL6 gene and an antibody against the DNA-binding domain of NF-IL6, we isolated a gene homologous to NF-IL6 in the DNA-binding and leucine zipper domains. This intronless gene, termed NF-IL6 beta encodes a 269-amino acid protein with a potential leucine zipper structure, and the gene product can bind to the CCAAT homology as well as the viral enhancer core sequence, as in the cases of NF-IL6 and C/EBP. This gene is expressed at an undetectable or a minor level in normal tissues but is induced by lipopolysaccharide or inflammatory cytokines, as in the case of NF-IL6. NF-IL6 beta easily forms a heterodimer with NF-IL6 in vitro and the heterodimeric complex binds to the same DNA sequence as the respective homodimers. When examined by transient luciferase assays, NF-IL6 beta is consistently a stronger transactivator than NF-IL6. Furthermore, NF-IL6 beta shows a synergistic transcriptional effect with NF-IL6. These data suggest that NF-IL6 beta is an important transcriptional activator in addition to NF-IL6 in regulation of the genes involved in the immune and inflammatory responses. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 4 |
| Volume Number | 89 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 1992-03-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | DNA-Binding Proteins Genetics Physiology Interleukin-6 Nuclear Proteins Transcription Factors Amino Acid Sequence Blotting, Northern CCAAT-Enhancer-Binding Proteins Cloning, Molecular Gene Expression Gene Expression Regulation In Vitro Techniques Macromolecular Substances Molecular Sequence Data Multigene Family Regulatory Sequences, Nucleic Acid Transcription, Genetic Research Support, Non-U.S. Gov't Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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