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Critical Reviews™ in Eukaryotic Gene Expression

Erscheint 6 Ausgaben pro Jahr

ISSN Druckformat: 1045-4403

ISSN Online: 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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The Paradoxical Role of Nrf2 in Tumor Biology

Volumen 23, Ausgabe 1, 2013, pp. 37-47
DOI: 10.1615/CritRevEukarGeneExpr.2013006288
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ABSTRAKT

Nrf2 is used as a cell protector by mediating many downstream genes which express phase II detoxifying and antioxidant enzymes. Recently, large numbers of experiments have shown Nrf2 and its downstream genes are found to be overexpressed in many human tumors. Numerous evidences unveil that Nrf2 protects the normal cells while promoting the malignant tumor's progression. The paradoxical role of Nrf2 has not been clearly elucidated before. Here, we review the suppressor or oncogene roles of Nrf2 in different stages of specific tumors with respect to the newest studies. Further, we suspect that the hypoxic microenvironment around the tumors is the main crux which determines the role of Nrf2 in the tumor initiation, invasion, and metastasis. In the initiation of tumors, Nrf2 or Keap1 genes get mutations under the oxidative stress; as a result, the tumor cells obtain the advantage to growth. At the later stages, the hypoxic microenvironment around the malignant tumors has a profound influence on the character of Nrf2. Under the hypoxic microenvironment, expression of certain downstream genes of Nrf2 involved in angiogenesis are obviously elevated; other transcription factors derived from hypoxic microenvironment interact with Nrf2 and in that way promote or inhibit the invasion and metastasis.

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