Folic acid conjugated nanoliposomes as promising carriers for targeted delivery of bleomycin.

This study aims to evaluate the anticancer potential of folate-targeted liposomal bleomycin (FL-BLM) and its free-folate form (L-BLM) on two different cancer cell lines including human cervix carcinoma HeLa, and human breast carcinoma MCF-7 cells. Furthermore, the effect of FL-BLM in induction of apoptosis and cell cycle arrest was studied by flow cytometry. FL-BLM was prepared by thin film hydration method and folic acid was conjugated to nanoliposomes by post insertion technique. Anticancer activity was evaluated by MTT assay. The cytotoxicity of FL-BLM against HeLa cells was significantly increased compared to L-BLM and conventional BLM. Flow cytometry and annexin-V analysis indicated that FL-BLM effectively induced apoptosis and cell-cycle arrest in HeLa cells especially at G2/M phase....

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