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Article Publish Status: FREE
Abstract Title:

Role of Bee Venom and Melittin on Restraining Angiogenesis and Metastasis inγ-Irradiated Solid Ehrlich Carcinoma-Bearing Mice.

Abstract Source:

Integr Cancer Ther. 2020 Jan-Dec;19:1534735420944476. PMID: 32735464

Abstract Author(s):

Nermeen M El Bakary, Asmaa Z Alsharkawy, Zeinab A Shouaib, Emad M S Barakat

Article Affiliation:

Nermeen M El Bakary

Abstract:

Pathological angiogenesis and apoptosis evasion are common hallmarks of cancer. The present work was an endeavor to evaluate the influence of bee venom (BV) or its major constituent melittin (MEL) as antiapoptotic and angiogenic regulator modifier on the tumor growth and the cell sensitivity to ionizing radiation targeting the improvement of cancer therapeutic protocols. BV (0.56 mg/kg/day) and MEL (500µg/kg body weight/day) were injected intraperitoneally to mice bearing 1 cmsolid tumor of Ehrlich ascites carcinoma (EAC) for 21 consecutive days. Mice were whole-body exposed to 1 Gray (Gy) ofγ-radiation (2 fractionated doses). Treatment with BV or MEL markedly suppresses the proliferation of tumor in EAC mice. The concentrations of m-RNA for angiogenic factors (TNF-α, VEGF) as well as MMPs 2 and 9 activities and NO concentration were significantly decreased, combined with improvementsin apoptotic regulators (caspase-3 activity) and normal cells redox tone (catalase and free radicals content) compared with EAC mice. Moreover, the histopathological investigation confirms the improvement exerted by BV or MEL in the EAC mice group or EAC + R group. Exposure to γ-radiation sustained the modulatory effect of BV on tumor when compared with EAC + BV mice. Convincingly, the role of BV or MEL as a natural antiangiogenic in the biological sequelae after radiation exposure is verified. Hence, BV and its major constituent MEL might represent a potential therapeutic strategy for increasing the radiation response of solid tumors.

Study Type : Animal Study

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