Nanobiotechnology in Diagnosis, Drug Delivery and Treatment. Группа авторов

of resistance of cancer cells to chemotherapy drugs, dose‐limiting toxicities, and other major side effects. Therefore, new strategies to overcome these issues are being developed, one of which is cancer nanomedicine, a rapidly developing interdisciplinary research field.

      The last few decades have seen a rapid growth of interest in utilizing nanoparticles and nanotechnology in cancer medicine, mainly for targeted drug delivery and imaging. Nanoscale imaging technology significantly improves the precision and accuracy of tumor diagnoses, while nanomaterial‐based chemotherapeutic drug delivery's accuracy of dose reduces the toxic side effects. Overall, the use of nanomaterials in diagnosis and treatment of various diseases has been widely investigated both preclinically and clinically. However, the diagnosis and treatment of GI disorders is mainly preclinically related to in vitro (colorectal cell lines; e.g. HCT116 cells) or in vitro (mouse xenograft models) tests. Nanomedicine has been particularly considered as a novel solution to enhance CRC diagnosis and treatment, both separately and in combination with theranostic techniques. To date, the diagnostic and therapeutic potential of GI disorders has been reposted for liposome and polymer nanomaterials as well as QDs.

      Although nanotechnology application could considerably improve GI disease detection and therapy, there are still many challenges that need to be addressed before it is accepted in routine clinical use, e.g. improvement of delivery and targeting in the body to provide effective treatment for specific disease conditions. The introduction of nanomaterial into the human body must be controlled, as there are many issues with possible toxicity and long‐term effects which should be considered. However, it is expected that nanotechnology will continue bringing improvements to diagnostics and therapies of GI diseases.

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