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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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Expression of Telomerase Reverse Transcriptase in Radiation-Induced Chronic Human Skin Ulcer

Volume 21, Edição 1, 2002, 4 pages
DOI: 10.1615/JEnvironPatholToxicolOncol.v21.i1.60
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RESUMO

The objective of this study was to investigate the expression of the catalytic subunit of telomerase, telomerase reverse transcriptase (TRT), and the possible relationship between the TRT expression and poor healing or cancer transformation in radiation-induced chronic human skin ulcer. Rabbit antibody to human TRT and SP immunohistochemical method were used to detect TRT expression in 24 cases of formalin-fixed, paraffin-embedded chronic human skin ulcer tissues induced by radiation, 5 cases of normal skin, 2 of burned skin, and 8 of cancer. The positive rate of TRT expression in chronic radiation ulcers was 58.3% (14/24), of which it was strongly positive in 41.7% cases (10/24) and weakly positive in 16.7% (4/24). TRT expression was 0% in normal (0/5) and burned skin (0/2), and 100% in cancer cases (8/8). The strongly positive expression of TRT was observed almost always in the cytoplasm and nucleus of squamous epithelial cells of the epidermis but it was negative or only weakly positive in the smooth muscle and endothelia of small blood vessels and capillaries, and in fibroblasts. Chronic inflammatory cells, plasmacytes, and lymphocytes were weakly positive for TRT. TRT expression could be involved in the poor healing caused by sclerosis of small blood vessels and lack of granulation tissue and in the cancer transformation of chronic radiation ulcer.

CITADO POR
  1. Trent Jennifer T., Kirsner Robert S., Wounds and Malignancy, Advances in Skin & Wound Care, 16, 1, 2003. Crossref

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