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New Method for Stem Cell Cultivation
Updated:2018-06-26 17:09:00
A novel medical device invented by researchers from Hong Kong Baptist University can reduce the risk of carcinogenesis when cultivating neural stem cells (NSCs), a treatment for neurodegenerative diseases, the university said on Tuesday.
Stem cell therapy involves the cultivation of new and normal cells, tissues or organs and then transplanted to people to restore physiological function by replacing damaged or dead cells. It is regarded as one of the most promising treatments for neurodegenerative diseases such as Alzheimer's disease and Parkinson's disease, according to the university.
However, traditionally, the cultivation of NSCs requires a large number of additional growth factors in a culture medium, which are kinds of polypeptides that may stimulate the growth of cancer cells and increase the risk of developing tumors.
The new device developed by the university's research team, led by Professor Ken Yung Kin-lam of the university's Department of Biology and Associate Professor Jeffery Huang Zhifeng of the Department of Physics, has a specific nanotechnology layer for the proliferation and differentiation of NSCs in stem cell therapy.
By using this specific layer, the use of additional growth factor or other biochemical can be avoided in cultivating stem cells. When they come into physiological contact with the nano-matrix layer of the device, the NSCs are under "physical massage" that resembles the Chinese medicine acupuncture technique and causes the cells to differentiate into functional cells capable for treating neurodegenerative diseases, cancers and tumors.


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