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Monday, July 11, 2016


From Kurzweil

Neurons grown from stem cells in a dish reveal clues about autism
July 8, 2016

Salk researchers have turned the skin cells of people with autism spectrum disorder into neurons. These cells show specific defects compared with those neurons derived from healthy people, including diminished ability to form excitatory connections with other neurons (indicated by red and green dots in the neuron). (credit: Salk Institute) 
Neurons’ activity seemed to improve by adding IGF-1, which is known to enhance connections between neurons
Why do the brains of up to 30 percent of people with autism spectrum disorder grow faster than usual, early in life? A new study co-led by Salk Institute scientists has used a new stem cell reprogramming technique to find out. Published July 6, 2016 in the journal Molecular Psychiatry, the Salk team found that stem cell-derived … more…

Surprising discovery of highly dynamic changes in olfactory region of the adult mouse brain
July 5, 2016

In light brown, in the center of the image, a new adult-born neuron. The neurons in blue are synaptic partner neurons, which connect to the new neurons. The neurons in dark brown are pre-existing neurons. (credit: © Institut Pasteur/PM Lledo) Scientists from the Institut Pasteur and the CNRS have made the surprising discovery that new neurons formed in the olfactory bulb of adult mice are constantly reorganizing the billions of synaptic contacts they establish among themselves (also described as constant structural plasticity). The researchers found this puzzling because constant structural plasticity is normally confined to …more…

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