Cybofree : Techno Social Issues for a Postmodern Transhuman Society
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Cybofree : Techno Social Issues for a Postmodern Transhuman Society
The Definitive reading resource for Techno Social articles
supplement to the Cybofree Blog: http://cyborgfantasy.blogspot.in
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Scientists Create “Endless Supply” of Myelin-Forming Cells

Scientists Create “Endless Supply” of Myelin-Forming Cells | Cybofree : Techno Social Issues for a Postmodern Transhuman Society | Scoop.it

In a new study, researchers have unlocked the complex cellular mechanics that instruct specific brain cells to continue to divide. This discovery overcomes a significant technical hurdle to potential human stem cell therapies; ensuring that an abundant supply of cells is available to study and ultimately treat people with diseases. “One of the major factors that will determine the viability of stem cell therapies is access to a safe and reliable supply of cells,” said University of Rochester Medical Center (URMC) neurologist Steve Goldman, M.D., Ph.D., lead author of the study.


Via Dr. Stefan Gruenwald
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Hearing restored in deaf gerbils hear using human stem cells

Hearing restored in deaf gerbils hear using human stem cells | Cybofree : Techno Social Issues for a Postmodern Transhuman Society | Scoop.it

Scientists have restored hearing to deaf gerbils using human embryonic stem cells in an advance that could eventually help people with an intractable form of deafness caused by nerve damage.

 

The procedure needs further animal research to assess safety and long-term effectiveness but researchers said on Wednesday the experiment was an important proof of concept, marking a further advance in the growing field of regenerative medicine.

 

Marcelo Rivolta from Britain's University of Sheffield, who led the research, said the first patients could receive cell therapy for hearing loss in clinical trials in "a few years". After treating 18 gerbils with complete deafness in one ear, his team reported in the journal Nature that stem cells produced an average 46 percent recovery in hearing function, as measured by electrical signals in the animals' brains. "If this was a human patient, it would mean going from being so deaf to being able to maintain a conversation," Rivolta told reporters.

 

Gerbils were selected for the test because their hearing range is similar to that of humans, while mice - the usual choice for laboratory tests - hear at higher frequencies.


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