05.11.2015, 19:17
A method for 3D-printing for the production of universal “building blocks” for almost all body tissues and tissue structures, possibly even microorganisms from embryonic stem cells. The results of their work, scientists from Tsinghua University in Beijing and Drexel University in Philadelphia published in the journal Biofabrication.
The two existing method of three-dimensional printing tissues of the body can create two-dimensional structures, another – to create a kind of three-dimensional “cell stalagmite” in dripping suspension. The new method proposed by researchers – a three-dimensional structure of the print reminiscent of the bars. Although in this structure the cells do not show the same level of flexibility and is not divided as evenly as natural – because they begin to change under the influence of the environment – they exhibit a high degree of self-renewal and pluripotency for seven days. This means that such cells can develop in virtually any tissue of the body according to the need.
for three-dimensional printing of the type used embryoid bodies – structure simulating pre-implantation stage of development, they are used for the study of stem cells in vitro (in vitro). In the future, scientists, changing the cell size and other print options, hoping to create a better “building blocks” in which it would be possible to heal the wounds and experimentally test drugs.
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