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dc.contributor.authorRao, Anoop V-
dc.contributor.authorDevi, P Uma-
dc.contributor.authorKamath, R-
dc.identifier.issn0975-1009 (Online); 0019-5189 (Print)-
dc.description.abstractRadioprotective property of Moringa oleifera leaves was investigated in healthy adult Swiss albino mice. Animals were injected (ip) with 150 mg/kg body weight of 50% methanolic extract (ME) of M. oleifera leaves, as a single dose, or in 5 daily fractions of 30 mg/kg each, and exposed to whole body gamma irradiation (RT, 4 Gy) 1 hr later. Five animals from each group were sacrificed at 1, 2 and 7 days after treatment. Bone marrow protection was studied by scoring aberrations in metaphase chromosomes and micronucleus induction in polychromatic erythrocytes and normochromatic erythrocytes. Pretreatment with a single dose of 150 mg/kg ME significantly reduced the percent aberrant cells to 2/3rd that of RT alone group on day 1 and brought the values to normal range by day 7 post-irradiation. A similar effect was also seen for the micro nucleated cells. Fractionated administration of ME (30 mg/kg × 5) gave a higher protection than that given by the same dose administered as a single treatment. ME also inhibited the Fenton reaction-generated free radical activity in vitro in a concentration dependent manner. These results demonstrate that pretreatment with the methanolic leaf extract of M. oleifera confers significant radiation protection to the bone marrow chromosomes in mice and this may lead to the higher 30 day  survival after lethal whole body irradiation. en_US
dc.publisherNISCAIR-CSIR, Indiaen_US
dc.rights CC Attribution-Noncommercial-No Derivative Works 2.5 Indiaen_US
dc.sourceIJEB Vol.39(09) [September 2001]en_US
dc.titleIn vivo radioprotective effect of Moringa oleifera leaves en_US
Appears in Collections:IJEB Vol.39(09) [September 2001]

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