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Implementation of a Human Renal Proximal Tubule on a Chip for Nephrotoxicity and Drug Interaction Studies.

Journal of pharmaceutical sciences (2021-02-06)
Marianne K Vormann, Jelle Vriend, Henriëtte L Lanz, Linda Gijzen, Angelique van den Heuvel, Simon Hutter, Jos Joore, Sebastiaan J Trietsch, Christiaan Stuut, Tom T G Nieskens, Janny G P Peters, Daniela Ramp, Michaela Caj, Frans G M Russel, Björn Jacobsen, Adrian Roth, Shuyan Lu, Joseph W Polli, Anita A Naidoo, Paul Vulto, Rosalinde Masereeuw, Martijn J Wilmer, Laura Suter-Dick
ABSTRACT

Proximal tubule epithelial cells (PTEC) are susceptible to drug-induced kidney injury (DIKI). Cell-based, two-dimensional (2D) in vitro PTEC models are often poor predictors of DIKI, probably due to the lack of physiological architecture and flow. Here, we assessed a high throughput, 3D microfluidic platform (Nephroscreen) for the detection of DIKI in pharmaceutical development. This system was established with four model nephrotoxic drugs (cisplatin, tenofovir, tobramycin and cyclosporin A) and tested with eight pharmaceutical compounds. Measured parameters included cell viability, release of lactate dehydrogenase (LDH) and N-acetyl-β-d-glucosaminidase (NAG), barrier integrity, release of specific miRNAs, and gene expression of toxicity markers. Drug-transporter interactions for P-gp and MRP2/4 were also determined. The most predictive read outs for DIKI were a combination of cell viability, LDH and miRNA release. In conclusion, Nephroscreen detected DIKI in a robust manner, is compatible with automated pipetting, proved to be amenable to long-term experiments, and was easily transferred between laboratories. This proof-of-concept-study demonstrated the usability and reproducibility of Nephroscreen for the detection of DIKI and drug-transporter interactions. Nephroscreen it represents a valuable tool towards replacing animal testing and supporting the 3Rs (Reduce, Refine and Replace animal experimentation).

MATERIALS
Product Number
Brand
Product Description

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