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Портал Begell Электронная Бибилиотека e-Книги Журналы Справочники и Сборники статей Коллекции
Journal of Environmental Pathology, Toxicology and Oncology
Импакт фактор: 1.241 5-летний Импакт фактор: 1.349 SJR: 0.356 SNIP: 0.613 CiteScore™: 1.61

ISSN Печать: 0731-8898
ISSN Онлайн: 2162-6537

Journal of Environmental Pathology, Toxicology and Oncology

DOI: 10.1615/JEnvironPatholToxicolOncol.2019015395
pages 83-96

Reduction of Gamma Radiation–Induced Damage by Hydro-Alcoholic Extract of Nardostachys jatamansi

Aditya Menon
Origin Diagnostics and Research, Vavakkavu, Karunagappally
Tiju Chacko
Mar Athanasious College for Advanced Studies, Tiruvalla
Praseetha R. Nair
Mar Athanasious College for Advanced Studies, Tiruvalla
Teeju Majeed
Mar Athanasious College for Advanced Studies, Tiruvalla
Cherupally Krishnan Krishnan Nair
Mar Athanasious College for Advanced Studies, Tiruvalla, Tiruvalla, Kerala, India; St.Gregorios Dental College & Research Centre, Kothamangalam, Kerala, India

Краткое описание

The search for a nontoxic radioprotector has not yielded any promising results. Many antioxidant compounds, though effective under in vitro conditions as radioprotectors, have failed under in vivo settings due to their toxicity. The Indian medical system of Ayurveda uses a variety of plants with antioxidant potential, and these may be harboring molecules with radioprotective properties. In the present work, the radioprotective property of Nardostachys jatamansi was investigated. A hydro-alcoholic extract of this plant provided protection to the cellular DNA and membrane from 4 Gy gamma radiation. Depletion of cellular antioxidant status was also prevented by this extract. Molecular-level analysis in the intestines of mice revealed a lower bax/bcl2 ratio suggestive of a reduction of radiation-induced apoptosis. Expression levels of the DNA repair gene atm were elevated, along with a reduction in the expression of the inflammatory gene cox2. The extract also provided a survival advantage to mice exposed to lethal doses of gamma radiation. These results suggest a possible radioprotective role for Nardostachys jatamansi.


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