Therapeutic effects of dendrosomal solanine on a metastatic breast tumor
2016
Mohsenikia, Maryam | Farhangi, Baharak | Alizadeh, Ali Mohammad | Khodayari, Hamid | Khodayari, Saeed | Khori, Vahid | Arjmand Abbassi, Yasaman | Vesovic, Milica | Soleymani, Ali | Najafi, Farhood
Our previous studies showed that alpha-solanine can inhibit tumor growth in cell culture and animal models of breast cancer. However, solanine is insoluble in common solvents; therefore, we developed a special nanoparticle with high-capacity solubility. The present study is aimed to deliberate the therapeutic effects of dendrosomal solanine (DNS) on a metastatic breast tumor in vitro and in vivo.After DNS preparation and dosing procedures, forty-five mice were equally divided into five groups to investigate the anti-metastatic effects of DNS on mammary tumor-bearing mice.Compared to solanine, DNS significantly suppressed the proliferation of 4 T1 cells in a dose- and time-dependent manner. DNS showed a remarkable safety rate of up to 10mg/kg. A significant decrease in white blood-cell count was seen at 20mg/kg DNS in comparison with control animals. Mice treated with DNS had smaller tumor volume (mm³) in comparison with control and solanine groups. Moreover, the incidence of the breast tumor metastases was about 67% in the control animals, where as solanine and DNS 1mg/kg were about 22% and 0%, respectively. Furthermore, the number of metastases per mouse varied from one to three. The tissues of tumor, brain, liver, spleen, and lung showed higher expression levels of Bcl-2 but lower expression levels of Bax, MMP-2, MMP-9, mTOR, and Akt in DNS-treated mice than control and solanine groups.The findings suggest that DNS has a more impactful therapeutic effect than solanine on 4 T1-induced breast tumorigenesis via influencing the tissue microenvironment.
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