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Critical Reviews™ in Eukaryotic Gene Expression

Publicado 6 números por año

ISSN Imprimir: 1045-4403

ISSN En Línea: 2162-6502

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 1.6 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 2.2 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.3 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00058 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.33 SJR: 0.345 SNIP: 0.46 CiteScore™:: 2.5 H-Index: 67

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Transcriptional Regulation during Mesenchymal Cell Differentiation: The Role of Coactivators

Volumen 8, Edición 2, 1998, pp. 191-202
DOI: 10.1615/CritRevEukarGeneExpr.v8.i2.50
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SINOPSIS

We have begun to understand the molecular mechanisms involved in the differentiation of pluripotent mesenchymal stem cells through the identification and characterization of the sequence-specific DNA-binding transcriptional activators that control differentiation along specific lineages. However, recent progress in the study of the mechanisms of gene transcription has identified an additional class of proteins essential for activated gene transcription, namely, the coactivators (sometimes also referred to as adaptors, mediators, or integrator molecules). This review focuses on the identified coactivators that could play a regulatory role in the differentiation of mesenchymal precursors along the myogenic and osteoblastic programs. Interestingly, one such coactivator specifically expressed in bone cells during development, αNAC (Nascent-polypeptide-associated complex And Coactivator alpha), is converted into a DNA-binding activator by differential splicing in differentiated myotubes. This suggests that NAC isoforms may be involved in multiple steps along the lineage-making decisions facing pluripotent mesenchymal precursors.

PALABRAS CLAVE: coactivator, transcription, CBP, NAC
CITADO POR
  1. Wang Lanfeng, Zhang Wenchi, Wang Lu, Zhang Xuejun C., Li Xuemei, Rao Zihe, Crystal structures of NAC domains of human nascent polypeptide-associated complex (NAC) and its αNAC subunit, Protein & Cell, 1, 4, 2010. Crossref

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