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An embryonic DNA-binding protein specific for a region of the human IFN beta 1 promoter
Embryonal carcinoma (EC) cells are unable to make interferon in response to inducing agents. This block disappears after differentiation. We have found that nuclear extracts from undifferentiated P19 EC cells contain a DNA-binding activity which specifically recognizes a region within the human inte...
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Published in: | Nucleic acids research 1988-11, Vol.16 (22), p.10575-10592 |
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container_end_page | 10592 |
container_issue | 22 |
container_start_page | 10575 |
container_title | Nucleic acids research |
container_volume | 16 |
creator | Haggarty, A Ponton, A Paterno, G D Daigneault, L Skup, D |
description | Embryonal carcinoma (EC) cells are unable to make interferon in response to inducing agents. This block disappears after differentiation. We have found that nuclear extracts from undifferentiated P19 EC cells contain a DNA-binding activity which specifically recognizes a region within the human interferon-beta 1 promoter. This activity is absent from differentiated cell types, both of EC and non-EC origin. The binding of the factor in undifferentiated EC cells leads to dramatic changes in the overall protein binding pattern of the interferon promoter as compared with differentiated cells, and may be responsible for repression of the endogenous interferon-beta gene prior to differentiation. |
doi_str_mv | 10.1093/nar/16.22.10575 |
format | article |
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This block disappears after differentiation. We have found that nuclear extracts from undifferentiated P19 EC cells contain a DNA-binding activity which specifically recognizes a region within the human interferon-beta 1 promoter. This activity is absent from differentiated cell types, both of EC and non-EC origin. 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This block disappears after differentiation. We have found that nuclear extracts from undifferentiated P19 EC cells contain a DNA-binding activity which specifically recognizes a region within the human interferon-beta 1 promoter. This activity is absent from differentiated cell types, both of EC and non-EC origin. 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subjects | Animals Base Sequence Cell Line Cell Nucleus Cloning, Molecular DNA-Binding Proteins - isolation & purification DNA-Binding Proteins - metabolism Genes Humans Interferon Type I - genetics Mice Molecular Sequence Data Plasmids Promoter Regions, Genetic Restriction Mapping Teratoma Transfection |
title | An embryonic DNA-binding protein specific for a region of the human IFN beta 1 promoter |
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