A novel 3D breast-cancer-on-chip platform for therapeutic evaluation of drug delivery systems.

The ability to rapidly screen drugs and drug delivery systems with a more accurate tumor model to better predict their in vivo performance is of great importance in drug development, because there have been some limitations in currently used tumor models. To address this problem, we developed an in vitro breast tumor model on a chip, composed of a microvessel wall, the extracellular matrix (ECM) and uniformly sized multicellular tumor spheroids (MCTS), for the evaluation of nanoparticle-based drug delivery systems. A carbon dots (CDs)-based drug delivery system was synthesized as a model to evaluate the real-time monitoring ability of the system transport through the endothelium and the penetrability into MCTS with a high spatio-temporal resolution on the established platform. Moreover, a modified 96-well plate was used to hold the microfluidic devices for in situ cytotoxicity assays of the MCTS by a microplate reader. Our findings revealed that the synthesized drug delivery system could be transported across an endothelial monolayer within 3 h and was nontoxic to the cells throughout the experiment. In addition, we demonstrated the capabilities of this model by assessing the delivery and efficacy of the drug delivery system in BT549 and T47D spheroids, two cell lines representative of triple negative breast cancer (TNBC) and non-TNBC, respectively. This microfluidic platform enables evaluation of dynamic transport behavior and in situ cytotoxicity evaluation in one system. The established platform provides a more accurate and low-cost in vitro model for rapid drug screening in pre-clinical studies.

• Publication year

  2018

• Venue

  Analytica Chimica Acta

• Publication date

  2018-12-01

• Fields of study

  Medicine, Chemistry, Engineering

• Identifiers
  DOI 10.1016/j.aca.2018.06.038PMID 30253842
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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