Release date: 2014-07-07
According to foreign media reports, scientists claim to make a huge breakthrough in 3D organ printing, and can print organs in hospitals when needed.
An international team has recently created an entire network of blood vessels that supply blood inside organs.
Scientists say the technology can even replace simple organs that are damaged by cancer.
Researchers at Sydney, Harvard, Stanford, and the Massachusetts Institute of Technology have now used bioprinting technology to create artificial vascular networks that mimic the body's circulatory system to provide the necessary conditions for making large, complex tissues.
The research leader, Professor Luiz Bertassoni of the University of Sydney, said that many people die each year because of a lack of transplanted organs. Many people also remove tissues and organs because of cancer or accidents. Imagine that when you walk into the hospital, when you press the print button, the prepared cells, proteins, and blood vessels in precise locations can print out the complete organs. Of course we are still far from this day, but we are working hard in this direction. Our findings are an important new step in achieving these goals. At the moment we just print out the original shape, and after our improvement, it will eventually be used for treatment.
Cells need nutrients and oxygen, and they also need efficient waste recycling systems to survive, so this is why "blood vessels" are the engineering core of physiological tissues and organs.
Bertassoni said: "One of the biggest challenges of large tissue and organ engineering is if a network of blood vessels and capillaries grows. There is not enough blood for cells to die, because blood oxygen is necessary for cell growth and performing a range of body functions. ."
According to Bertassoni, the main benefit of the new bioprinting technology is the ability to prepare large, microvascular channels for life-sustaining in flight while meeting precise individual patient needs.
Source: Kexun Medical Network
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