Abstract
The present study was designed to investigate the effects of aqueous Azadirchta Indica leaf extract (AAILE) on serum glycoprotein contents and tumor incidence rate in colon of rats subjected to Dimethylhydrazine (DMH) treatment. Forty rats were divided equally and randomly into four groups viz., Group I (normal control), Group II (DMH-treated), Group III (AAILE) and Group IV (DMH + AAILE treated). Group II and IV animals were injected subcutaneously every week with DMH (30 mg/kg b.wt.) for two durations of 10 and 20 weeks. AAILE was given orally three times a week on alternate days (100 mg/kg b.wt.) to animals belonging to groups III and IV. Blood samples were drawn from all the animals by ocular vein puncture every month for the estimation of Total Sialic Acid (TSA) and Lipid Bound Sialic Acid (LSA), which served as markers for the cancer. No incidence of tumor was recorded in the animals given DMH treatment for 10 weeks. However, DMH treatment for 20 weeks showed 100% tumor incidence. Animals treated with DMH for both the time durations showed a significant increase in the levels of TSA in comparison to normal control, which however were decreased significantly following AAILE supplementation. There was no significant difference between LSA levels of DMH-treated animals and normal controls. The present study suggested that supplementation of AAILE in cancer-bearing animals attenuates considerably the molecular events that initiate the development of tumors.
Published Version
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