Anti-proliferating effect of Ocimum sanctum and Centella asiatica plant extract on growth of human glioblastoma cells: An in vitro study

Biswas, Biplob kumar; H, Srinivas ; Beg, Mirza Masroor; Samadhiya, Amit ; Jamatia, Elvia

Abstract

Glioblastoma is aggressive brain tumour with poor prognosis with conventional chemotherapy, hence there is need to find alternative targets for developing newer treatment. Advent of new treatment methods involving medicinal plants have shown to reduced Cancer mortalities and prevents development of drug resistance for chemotherapy. Present study aimed at investigates the anti-proliferating activity of two promising medicinal plants, Ocimum sanctum and Centella asiatica. We studied the effect of their plant extract on U87MG Glioblastoma cells proliferation, survival effect and apoptosis. Cytotoxic activity was assessed, after the plant extract treatment on U87MG using MTT assay with dose of 1 mg/mL to 25mg/mL and apoptosis assess was done using Annexin V assay with the three dose (1.5 mg/mL, 2 mg/mL and 2.5 mg/mL). Survivin gene expression was studied using QRT-PCR (Rotar gene Q, Qiagene) has a marker of proliferation. Ocimum sanctum and Centella asiatica treatment of U87MG cells with dosage of 1.5 mg/mL, 2.0 mg/mL, 2.5 mg/mL showed increase in mean apoptotic cells 2.8 %, 4.9%, 10 % and 3.1%, 5.8% and 7.2%, respectively, compared to untreated U87MG cells. Survivin gene analysis of U87MG cells showed down-regulation in gene expression and differences was significant in comparison to untreated control group with both the plant extract, Centella asiatica showed more down-regulation (97% with 2.5 mg/mL) than Ocimum sanctum. Ocimum sanctum and Centella asiatica exhibited promising anti-proliferating activity and induces apoptosis by down regulation of survivin gene expression

Keyword(s)

Anticancer; Cytotoxicity; Eugenol; Medicinal plant; Survivin; U87MG

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