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Articles 1 - 2 of 2
Full-Text Articles in Medical Biochemistry
Cloning And Characterization Of Subunits Of The T-Cell Receptor And Murine Leukemia Virus Enhancer Core-Binding Factor., Shuwen Wang, Qing Wang, Barbara E. Crute, Irena N. Melnikova, Susanna R. Keller, Nancy A. Speck
Cloning And Characterization Of Subunits Of The T-Cell Receptor And Murine Leukemia Virus Enhancer Core-Binding Factor., Shuwen Wang, Qing Wang, Barbara E. Crute, Irena N. Melnikova, Susanna R. Keller, Nancy A. Speck
Dartmouth Scholarship
Moloney murine leukemia virus causes thymic leukemias when injected into newborn mice. A major determinant of the thymic disease specificity of Moloney virus genetically maps to the conserved viral core motif in the Moloney virus enhancer. Point mutations introduced into the core site significantly shifted the disease specificity of the Moloney virus from thymic leukemia to erythroid leukemia (N.A. Speck, B. Renjifo, E. Golemis, T.N. Fredrickson, J.W. Hartley, and N. Hopkins, Genes Dev. 4:233-242, 1990). We previously reported the purification of core-binding factors (CBF) from calf thymus nuclei (S. Wang and N.A. Speck, Mol. Cell. Biol. 12:89-102, 1992). CBF binds …
Isolation Of Interleukin 2-Induced Immediate-Early Genes., Carol Beadling, Kirk W. Johnson, Kendall A. Smith
Isolation Of Interleukin 2-Induced Immediate-Early Genes., Carol Beadling, Kirk W. Johnson, Kendall A. Smith
Dartmouth Scholarship
Clonal expansion of antigen-reactive T lymphocytes is driven by the lymphokine interleukin 2 (IL-2). To further elucidate the mechanisms of IL-2 action, we have utilized a differential hybridization procedure to clone IL-2-induced immediate-early genes from an IL-2-stimulated human T-cell cDNA library. To increase the frequency of IL-2-induced transcripts represented in the library, the protein synthesis inhibitor cycloheximide was included during the 2-hr IL-2 stimulation to superinduce gene expression, and the uridine analogue 4-thiouridine was utilized to enable selective purification of newly synthesized transcripts. From the enriched library, we have isolated eight IL-2-induced genes, six of which represent previously unrecognized human …