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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

Indexed in

Protection of DNA From Ionizing Radiation-Induced Lesions by Asiaticoside

Volumen 34, Edición 4, 2015, pp. 353-361
DOI: 10.1615/JEnvironPatholToxicolOncol.2015013946
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SINOPSIS

This study aims to investigate whether asiaticoside, a triterpene glycoside, can afford protection to DNA from alterations induced by gamma radiation under in vitro, ex vivo, and in vivo conditions. In vitro studies were done on plasmid pBR322 DNA, ex vivo studies were done on cellular DNA of human peripheral blood leukocytes, and in vivo investigations were conducted on cellular DNA of spleen and bone marrow cells of mice exposed to whole-body gamma radiation. The supercoiled form of the plasmid pBR322 DNA upon exposure to the radiation was converted into relaxed open circular form due to induction of strand breaks. Presence of asiaticoside along with the DNA during irradiation prevented the relaxation of the supercoiled form to the open circular form. When human peripheral blood leukocytes were exposed to gamma radiation, the cellular DNA suffered strand breaks as evidenced by the increased comet parameters in an alkaline comet assay. Asiaticoside, when present along with blood during irradiation ex vivo, prevented the strand breaks and the comet parameters were closer to that of the controls. Whole-body exposure of mice to gamma radiation resulted in a significant increase in comet parameters of DNA of bone marrow and spleen cells of mice as a result of radiation-induced strand breaks in DNA. Administration of asiaticoside prior to whole-body radiation exposure of the mice prevented this increase in radiation-induced increase in comet parameters, which could be the result of protection to DNA under in vivo conditions of radiation exposure. Thus, it can be concluded from the results that asiaticoside can offer protection to DNA from radiation-induced alterations under in vitro, ex vivo, and in vivo conditions.

CITADO POR
  1. Kunjumon Renju, Viswanathan Gayathri, Jayasree Devi Velayudhan, Biju Prabath Gopalakrishnan, Prakash Prabha, Sasidharan Baby Chakrapani Pulikkaparambil, Baby Sabulal, Anti-excitotoxicity and neuroprotective action of asiaticoside encapsulated polymeric nanoparticles in pilocarpine rodent seizure model, Canadian Journal of Chemistry, 100, 6, 2022. Crossref

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