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Journal of Environmental Pathology, Toxicology and Oncology

Publicado 4 números por año

ISSN Imprimir: 0731-8898

ISSN En Línea: 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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2Am-DNT Induces Cell Death and Apoptosis in Human Cells

Volumen 28, Edición 3, 2009, pp. 231-234
DOI: 10.1615/JEnvironPatholToxicolOncol.v28.i3.40
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SINOPSIS

During microbial or mammalian cell metabolism, TNT (2,4,6-tinitrotoluene) is reduced to 2Am-DNT (2-amino-4,6-dinitrotoluene), 4Am-DNT, or 2,4-diamino-NT (2,4-diaminonitrotoluelne) depending on the specific organism. The metabolite 2Am-DNT is the most common of the TBT biotransformation pathways in bacterial and fungal species studied to date. in the mammalian liver cells, TNT is metabolized to 2Am-DNT by the P450 enzyme system. Apoptosis is rapidly emerging as a relevant endpoint for detecting low-dose toxin exposure. We report in this study that 2Am-DNT treatment of mammalian cells causes cell death by apoptosis. Cell death was assayed by the Trypan Blue method. Apoptotic changes, such as DNA break down, were detected in treated cells by the production of a dark-brown DAB (diaminobenzidine) signal using the Fragel™ Klenow DNA fragment detection system, by immunohistochemical techniques with fluorescence microscopy, and by using a microplate reader for a single-stranded DNA binding assay. All of these results showed that 2am-DNT is toxic to mammalian cells and induces apoptosis.

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