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Journal of Environmental Pathology, Toxicology and Oncology

Publicou 4 edições por ano

ISSN Imprimir: 0731-8898

ISSN On-line: 2162-6537

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: 2.4 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: 2.8 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: 0.5 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: 0.00049 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: 0.59 SJR: 0.429 SNIP: 0.507 CiteScore™:: 3.9 H-Index: 49

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Role of GLI1 and NDRG1 in Increased Resistance to Apoptosis Induction

Volume 34, Edição 3, 2015, pp. 213-225
DOI: 10.1615/JEnvironPatholToxicolOncol.2015013472
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RESUMO

We examined the effects of GLI1 expression in PW mouse embryo fibroblasts and H441 lung carcinoma cells. Ectopic expression of GLI1 in PW cells induced anchorage-independent growth and increased resistance to staurosporine-induced apoptosis, and overexpression of GLI1 in H441 cells caused resistance to apoptosis induced by staurosporine and etoposide. GLI1 expression in both H441 and PW cells was associated with increased expression of NDRG1, a gene known to be downregulated by the MYC family of proteins, indicating that upregulation of NDRG1 by GLI1 is not cell-type specific. Consistent with suppression of NDRG1 by c-MYC and N-MYC, increased NDRG1 expression correlated with decreased expression of c-MYC and N-MYC in GLI1-expressing H441 and GLI1-expressing PW cells, respectively. Downregulation of GLI1 expression in A549 cells by siRNA transfection increased sensitivity to etoposide-induced apoptosis, and downregulation of NDRG1 expression in H441 cells by siRNA transfection increased sensitivity to etoposide-induced apoptosis. Of clinical significance, inhibition of GLI1 and NDRG1 expression may increase sensitivity of cancer cells to chemotherapeutic drugs. Strategies that aim to inhibit GLI1 function and NDRG1 expression may be useful for targeted therapy of cancers induced by the SHH-GLI signaling pathway.

Palavras-chave: GLI1, NDRG1, apoptosis, lung cancer
CITADO POR
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