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Journal of Environmental Pathology, Toxicology and Oncology

Erscheint 4 Ausgaben pro Jahr

ISSN Druckformat: 0731-8898

ISSN Online: 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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Inhibition of Cell Proliferation and Antitumor Activity of a Novel Organotin Compound

Volumen 20, Ausgabe 4, 2001, 10 pages
DOI: 10.1615/JEnvironPatholToxicolOncol.v20.i4.100
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ABSTRAKT

Organotin compounds showed more antineoplastic effect against P388 leukemia in mice than any other class of compounds. However, they have not received as much attention as the platinum compounds. The present compound, Et2SnCl2.L [L = N-(2-pyridylmethylene)-4-toluidine] (OTC), showed an Sn-N bond length of 2.46 A which, because it is bigger than 2.39 A, is expected to achieve better formation of tin-DNA complexes. We previously reported on the synthesis and biological activity of this compound and on its ability to cause a delay in cell proliferation and sister chromatid exchanges in mouse bone marrow cells. In this study, we carried out further investigations on the antiproliferative and antitumor activity of OTC in relation to the cellular glutathione (GSH) level, which plays an important role in the cellular defense mechanism. OTC induced significant delay in the cell cycle in mouse bone marrow cells and, when the GSH level was low, the extent of the delay was reduced. The antitumor activity was determined in accordance with the US National Cancer Institute (NCI) standard protocol for primary screening in Dalton’s lymphoma (DL) that was maintained by serial intraperitoneal transplantation. The T/C (treated/control) value was 146% when organotin was treated after transplantation; this improved significantly when buthionine sulfoximine (BSO), a GSH-depleting agent, was added 24 hours before the tin treatment. Our data suggest that the present tin compound has antiproliferative ability and can increase the survival of mice bearing DL. The endogenous GSH level influences the effect of the tin compound.

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