By Seán Finan
Last week, Organovo might just have revolutionised the pharmaceutical industry. The San Diego-based company specialises in producing structures that mimic the behaviours and functions of human tissue, using 3D bioprinting. They announced last week that they were beginning the commercial manufacture and sale of their ExVive Kidney. The product models the proximal tubule of the human kidney and holds significant promise for clinical trials of new drugs. The commercialization of the ExVive Kidney follows the release of ExVive Human Liver Tissue in 2014.
In essence, Organovo is using 3D printing technology to produce samples of “human” tissue that can be used to test the toxicity of new drugs. The printing process, known as 3D bioprinting, involves extracting human cells, culturing them and suspending them in a solution. The resulting “bioink” is fed through a modified 3D printer. Layer by layer, the printer deposits cells, producing a mass with a similar structure and density to a sample of, for example, human liver. Just like “organ on a chip” technology, these synthetic liver and kidney samples present significant advantages over traditional clinical testing.
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