The focus on nanotechnology in cancer treatment and diagnosis has intensified due to the serious side effects caused by anticancer agents as a result of their cytotoxic actions on normal cells. This nonspecific action of chemotherapy has awakened a need for formulations capable of definitive targeting with enhanced tumor-killing. Nanooncology, the application of nanobiotechnology to the management of cancer, is currently the most important area of nanomedicine. Currently several nanomaterial-based drug-delivery systems are in vogue and several others are in various stages of development. Tumor-targeted drug-delivery systems are envisioned as magic bullets for cancer therapy and several groups are working globally for development of robust systems.
Ovarian cancer, the worldwide leading cause of gynecological cancer-related death, is primarily treated by surgery followed by platinum chemotherapy. Though the tumor initially responds to the treatment, only 30% of 5 year survival period has been recorded and this is mainly attributed to the acquired chemo resistance and frequent recurrence of tumor. Combination chemotherapy as well, led to therapeutic failure due to non-specificity and subsequent side effects. However, polymer mediated drug delivery aids in overcoming these impediments. In particular, three dimensional macromolecule "Dendrimer" with its unique properties and numerous functionalities offer various advantages over the conventional approach and may improve the treatment outcome in patients with ovarian cancer. The present review highlights the various strategies employed using dendrimers to achieve targeted drug delivery and enhanced therapeutic efficacy in ovarian cancer.
Discovery of the biological signaling roles of H2S has spurred great interest in developing reliable methods for its accurate detection and quantification. As considerable variation in its levels is seen...
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