Identification of the human 26-kD protein, interferon beta 2 (IFN-beta 2), as a B cell hybridoma/plasmacytoma growth factor induced by interleukin 1 and tumor necrosis factor.
摘要：
A factor that promotes the growth of certain B cell hybridomas and of plasmacytomas is shown to be produced by normal human fibroblasts and by a line of human osteosarcoma cells (MG-63) after treatment with IL-1 or TNF. The hybridoma-plasmacytoma growth factor (HPGF) is identified with a 26 kD protein whose mRNA was previously shown to be induced in the same cells by the same inducers. First, poly(A)-rich RNA extracted from IL-1-treated cells could be enriched in HPGF-mRNA content by hybridization to 26 kD cDNA. Second, MG-63-derived HPGF purified to electrophoretic homogeneity was subjected to amino acid sequence analysis, whereby the NH2-terminal sequence was found to match the nucleotide sequence of a 26 kD cDNA clone.
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关键词：
Humans Glycoproteins Interferon Type I Antiviral Agents Biological Products Tumor Necrosis Factor-alpha Hybridomas Interleukin-1 Cytokines Growth Substances
DOI：
10.1084/jem.165.3.914
被引量：
年份：
1987
Semantic Scholar
掌桥科研
万方医学
dx.doi.org
NCBI
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