plastic model of a heart

Bayer, Tel Aviv University Test Drugs on 3D-Printed Hearts

ISRAEL21c staff via Israel21c – Partnership with Bayer calls for developing a platform for cardiotoxicity screening, using human heart tissues 3D-printed in Prof. Tal Dvir’s lab.

Human heart tissues 3D-printed in Tel Aviv University Prof. Tal Dvir’s Laboratory for Tissue Engineering and Regenerative Medicine will be used to test the cardiotoxicity of experimental drugs according to a collaboration agreement between the university’s tech-transfer company, Ramot, and pharmaceutical giant Bayer.

“We are excited to start this new collaboration with Tel Aviv University, which will address a new area of early assessment of safety and tolerability of drug candidates,” said Eckhard von Keutz, head of Translational Sciences at Bayer.

“We already have a global network of partners and this new project will enable Bayer to expand its open innovation activities to Israel, which provides a dynamic ecosystem for innovation in biotech and medical research.”

Last April, Dvir’s lab successfully produced the first-ever 3D-printed heart using tissue extracted from a patient.

This innovative technology has the potential to revolutionize drug screening.

Drug candidates go through several phases of screening. First, the new compound is tested on human tissue cultures in Petri dishes. Then, it is administered to lab animals. Finally, the drug is approved for human clinical trials. Dvir’s 3D-printed tissues could make the process faster, cheaper and more efficient.

“In a Petri dish, all the cells line up in 2D, and it’s only one type of cell,” said Dvir. “In contrast, our engineered tissues are 3D-printed, and therefore better resemble real heart tissues. Our printed tissues contain cardiac muscle, blood vessels and the extracellular matrix which connects the different cells biochemically, mechanically and electrically. Moving away from Petri dishes to 3D printed tissues could significantly improve drug tests, saving precious time and money with the hope of producing safer and more effective medication.”

Dvir hopes eventually to offer Bayer the ability to do pre-clinical trials on complete printed organs. “Our end goal is to engineer whole human hearts, including all the different chambers, valves, arteries and veins – the best analogue of this complex organ – for an even better toxicological screening process.”

Ramot licensed the technology to a spin-off company, Matricelf, whose first focus is on engineering personalized spinal-cord implants to treat paralyzed patients.

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