A 3D bioprinter that can print replicas of tumours has won the prestigious 2019 Good Design Award of the Year. The printer was co-designed by two leading UNSW medical and science academics. The prize was awarded to Inventia Life Science, a biomedical company that worked in collaboration with UNSW Sydney’s Australian Centre for Nanomedicine (ACN) co-directors, Professor Justin Gooding and Professor Maria Kavallaris, to develop printer inks and cell biology components.
This bioprinter allows cancer researchers to rapidly produce 3D cultures and build more complex in vitro cancer models than ever before. The difference between this printer and other 3D bioprinting technology is now we have precise control of the types of cells and the environment they grow in – allowing us to create 3D cell models and print artificial tumours. They will also be able to control the proteins that binds cells together. This is critical because it allows cancer researchers to better understand the variables in cancer formation.
The 3D printer gives biomedical researchers and tissue engineers a fast way to create 3D cell structures, proteins and tumour models. “Cancer research is dominated – and in many ways limited – by two-dimensional in vitro cell culture techniques. The type of ink developed for the printer means cell biologists for the first time have the capability to precisely deposit multiple cell types in a single 3D cell culture. But three-dimensional printing of cell cultures is much more realistic, revealing important features such as the resistance of cells and tumours to treatment,” said Scientia Professor Gooding from UNSW’s School of Chemistry.
Professor Maria Kavallaris, Head of the Tumour Biology and Targeting Program at Children’s Cancer Institute, developed the cell biology behind the printer, analysed the viabilities of cells, how quickly they divide and developed accurate tumour-like environments. “The printer is revolutionary in its ability to control the volatile cancer environment that we are working with and reproduce different types of cancers, one of the main applications at this stage will be for the printer to recreate and mimic solid tumours – and will also have the potential to even recreate blood cell cancers such as leukemia. It gives us enormous opportunities to model real cancer cells. Different tumours survive in different microenvironments – a person doesn’t just have a tumour, but many other cells such as immune cells and accessory cells – living around that tumour that influence that environment and response to therapy,” said Professor Kavallaris.
Professor Kavallaris added, “For the first time we’ve got a machine that can model cancer disease, model therapeutic responses and test new drugs. We can analyse the ways drugs are impacting the survival of the tumour and potentially feed that back to clinicians – even test drugs they may not have thought about giving and reduce exposing patients to undue toxicity.”
The core technology is also being used to explore the longer-term potential to impact areas like the treatment of burns and wounds through clinical bedside-bioprinting. The Australian Centre for NanoMedicine (ACN) combines Medicine, Science and Engineering to deliver therapeutic solutions to research problems in medicine. ACN is a hub for nanomedicine research in Australia and through a commitment to research, education, knowledge transfer and commercialisation, ACN is dedicated to the prevention, diagnosis and curing of diseases, especially hard to treat diseases.
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