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New 3D printing nerve scaffolds can help treat spinal cord injury
Aug 15, 2018

The development of new methods for more than two years.Researchers from the team process allows any cells begin to adults, such as skin cells or blood cells.Take advantage of new biological engineering technology, researchers can cells reprogrammed stem cells to neurons.Then, engineers used a unique 3D printing to print to these units and silica gel on the guide rail, use the same 3D printer to print plate and unit.The guide to keep cell vitality and allow them into neurons.

The team developed a prototype guide, damaged part in surgically implanted in the spinal cord, help connect living cells on either side of the injury.

This color enhancement image shows the survived in the 3D printing process of living cells.Neuronal                 stem cells from adult human cells in the guidelines on 3D printing, and the cells                                                                  to differentiate into active nerve cells in the laboratory.

"Everything in the right time together??, "says perls."We will be able to use the latest cell biological engineering technology developed in recent years, with the combination of cutting-edge 3D printing."

McAlpine also describes the "fine" cells of 3D printing is very difficult."The hard part is to keep the happiness and cell activity.We tested several different formula in printing process, "said McAlpine."In fact, we are able to remain in the process of 3D printing about 75% of the cells survive, and let them become healthy neurons, this is very wonderful."

If the next step is successful, then the research returns could change the lives of those people with spinal cord injury."We found that any signals through injury can improve the function of the patients," says perls.

Titled "3D printing stem cell derived neural progenitor cells produce spinal cord scaffold" of the study, published online today in the Advanced Functional Materials.

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