Justicia gendarussa Burm.f, belonging to the family Acanthaceae, is widely used for various ailments traditionally. Antioxidant, anti-arthritic, anti-inflammatory, analgesic, anticancerous, properties of the plant have been widely reported. The present study analyzed the cardioprotective effect of J. gendarussa on doxorubicin (DOX) induced toxicity in mice. Ethanolic extract of J. gendarussa was administered orally for 7 consecutive days. The alterations in oxido-reduction status, biochemical and histopathological parameters were analyzed in heart tissue. DOX increased superoxide dismutase (SOD) and catalase activities to 3.4 ± 0.5 and 3.68 ± 1 from their normal values 2.43 ± 0.8 and 2.72 ± 0.88, respectively. The increased activities of both the enzymes were found reduced to 3.12 ± 0.24 and 3.41 ± 0.65 by the treatment of the extract. Similarly, DOX elevated glutathione peroxidase (GPx) activity to 44.6 ± 3.71 from the normal level 32.33 ± 3.41. DOX decreased the glutathione (GSH) level to 15.66 ± 2.51 from the normal values 31.66 ± 4.05. Upon treatment, GPx activity and GHS level found restored. The increased lipid peroxidation 2.53 ± 0.25 of DOX was also decreased to 2.0 ± 0.34 by the extract. Histopathology observations substantiate the protective effect of J. gendarussa extract. In conclusion, DOX-induced disturbance of oxido-reduction status and histopathology of heart attenuated closer to the normal indicating the protective effect of J. gendarussa against DOX-induced toxicity in cardiomyocytes.
Background The plant Kingiodendron pinnatum (DC.) Harms, belonging to the family Fabaceae is endemic to the Western Ghats of India and is commonly used for various ailments, especially by the tribes. K. pinnatum is occasionally used as a substitute for Saraca asoca in Asokarishta, a well-known uterine tonic in Ayurveda. Recent studies revealed a pharmacological similarity between the plants. S. asoca is reported to have anti-cancer properties, but there are no reports on K. pinnatum except for antioxidant and antimicrobial activities. Therefore, the study is aimed to investigate the anticancer potential of the plant. Methods Cytotoxicity of methanolic bark extract of the plant was analysed on different cancer cell lines by 3-(4, 5-dimethylthiazol-2-yl)-2, 5-diphenyltetrazolium bromide (MTT) assay. Dalton's lymphoma ascites (DLA) cell-induced solid and Ehrlich ascites carcinoma (EAC) cell-induced ascites tumour models in mice were used to study the antitumor potential. Phytochemical screening of the extract was also performed. Results The extract was found cytotoxic to DLA, EAC, HCT15, MDA-MB-231, T47D and PC3 with inhibitory concentration (IC50) values of 50.09, 74.74, 67.02, 119.22, 149.04 and 194.5 μg/mL, respectively. In the solid tumour model, a significant (P < 0.001) reduction in tumour weight of 0.7 ± 0.15 g was observed in 500 mg/kg b.wt. extract treated group compared to the control group (3.6 ± 0.24 g) by oral administration for 30 days. In the ascites tumour model, a high survival rate of 28.2 ± 8.72 days (P < 0.01) was found by the extract treatment compared to the control animals. Phytochemicals like alkaloids, flavonoids, phenols, phytosterols, saponins, tannins, steroids and terpenoids were detected in the extract. Conclusion Results obtained by the cytotoxic and anti-tumour studies revealed the anticancer potential of K. pinnatum. The plant exhibits more cytotoxicity towards cancer cell lines of the reproductive system such as the breast and prostate.
Objectives Cynometra travancorica, endemic to Western Ghats of India is pharmacologically similar to Saraca asoca and occasionally used as substitute in a well-known Ayurvedic uterine tonic Asokarishta. S. asoca possess various biological properties, but there are no reports on C. travancorica. The present study evaluated the pharmacological properties of C. travancorica and its efficacy in attenuating the sodium fluoride (NaF) induced oxidative stress in mice. Methods Antioxidant potential of methanolic extract of C. travancorica (CTE) stem bark was evaluated using DPPH, superoxide radical scavenging and total antioxidant assays. The effect of CTE on mitigating NaF deteriorated redox status in the liver tissue of mice was evaluated. Functional groups in CTE were analyzed by FTIR analysis. Results CTE effectively scavenged the free radicals in in vitro condition. CTE could augment catalase (46.6%), superoxide dismutase (53.8%) activities and GSH level (48.1%) against NaF induced decline in the liver tissue of mice. The peroxidation of lipids was found to be decreased by 44.9% and tissue damage abated as inferred by histopathology. FTIR analysis revealed the presence of biologically active functional groups in CTE. Conclusions The study revealed the ameliorative effect of C. travancorica against NaF induced deleterious effect in experimental animals by its potent antioxidant potential.
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