journal article·2019-01-22

End-Sealed High Aspect Ratio Hollow Nanotubes Encapsulating an Anticancer Drug: Torpedo-Shaped Peptidic Nanocapsules

Motoki Ueda, Siyoong Seo, Baiju G. Nair, Stefan Müller, Eiki Takahashi, Takashi Arai, Tomonori Iyoda, Shin-ichiro Fujii, Satoshi Tsuneda, Yoshihiro Ito

ACS Nano· Volume 13· Issue 1
Publisher page

Abstract

Nanomaterial morphology is important for the targeted delivery of drugs to tissues as well as subsequent cellular uptake. Hollow nanotubes composed of peptides, with a diameter of 80 nm and various lengths (100, 200, 300, 600 nm), were successfully capped and sealed with a peptide hemisphere to encapsulate the anticancer drug, cisplatin. The torpedo-shaped nanocapsules with an aspect ratio (length/diameter) of 2.4 showed more rapid cellular uptake and accumulation at the tumor site compared with spherical analogues. Successful delivery of cisplatin to tumors was achieved in a mouse model and tumor growth was efficiently suppressed.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Supramolecular Self-Assembly in Materials · Advanced biosensing and bioanalysis techniques · RNA Interference and Gene Delivery

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Emergent Bioengineering Materials Research Team, RIKEN Center for Emergent Matter Science (CEMS), 2-1 Hirosawa, Wako, Saitama 351-0198, Japan

Nano Medical Engineering Laboratory, RIKEN Cluster for Pioneering Research (CPR), 2-1 Hirosawa, Wako, Saitama 351-0198, Japan

Department of Life Science and Medical Bioscience, Waseda University, 2-2 Wakamatsu-cho, Shinjuku-ku, Tokyo 162-8480, Japan

Research Resources Division, RIKEN Center for Brain Science (CBS), 2-1 Hirosawa, Wako, Saitama 351-0198, Japan

Laboratory for Immunotherapy, RIKEN Center for Integrative Medical Science (IMS), 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan

Funding

Japan Society for the Promotion of Science

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