Scientists bring frozen human brain tissue back to life for the first time

A team of researchers has discovered a way to defrost human brain tissue without damaging it, a groundbreaking development in biology.

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A group of scientists have managed to thaw frozen human brain tissue without causing any damage to the tissue itself.

Scientists bring frozen human brain tissue back to life for the first time 165156615651

The new research is coming out of the Fudan University in Shanghai, China, where a team led by Zhicheng Shao grew self-organizing brain samples that are called organoids. These organoids are grown from embryonic stem cells and take three weeks to fully mature. Once fully mature the brain tissue has developed neurons and neural stem cells, which means they are ready for experimentation.

The team then took these brain tissue samples and combined them with various chemicals with the goal of discovering which chemical compound would enable the brain tissue to survive being frozen and still enable growth following its thawing. According to the team's results, which were published in the scientific journal Cell Reports Methods, the most successful combination of chemicals was methylcellulose, ethylene glycol, DMSO, and Y27632 - together, the solution is called MEDY.

The scientists believe the concoction somehow interferes with the internal communication of the cell that would typically initiate the dying process to begin. Notably, the team tested the survivability of the brain tissue over various timeframes such as 28 to 100 days. According to the results frozen brain tissue still displayed evidence of growth and function even after being frozen for 18 months.

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NEWS SOURCES:bgr.com, cell.com

Jak joined the TweakTown team in 2017 and has since reviewed 100s of new tech products and kept us informed daily on the latest science, space, and artificial intelligence news. Jak's love for science, space, and technology, and, more specifically, PC gaming, began at 10 years old. It was the day his dad showed him how to play Age of Empires on an old Compaq PC. Ever since that day, Jak fell in love with games and the progression of the technology industry in all its forms. Instead of typical FPS, Jak holds a very special spot in his heart for RTS games.

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