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![Figure[s11] 2](https://www.ncbi.nlm.nih.gov/core/lw/2.0/html/tileshop_pmc/tileshop_pmc_inline.html?title=Click%20on%20image%20to%20zoom&p=PMC3&id=7615218_EMS189491-f002.jpg)
Production of ‘ mini-kidney ‘ from mouse renogenic stem cells, which are re-aggregated in the temporary presence of Rho kinase (ROCK) inhibitors to protect them from apoptosis. The mini-kidneys can connect with vascular systems either in ovo or in vivo, and will filter tracer molecules from blood.
