Researchers have established the protein p53 as critical for regulating sociability, repetitive behavior, and hippocampus-related learning and memory in mice, illuminating the relationship between the protein-coding gene TP53 and neurodevelopmental and psychiatric disorders like ...
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Helping your mother make pancakes when you were three…riding your bike without training wheels…your first romantic kiss: How do we retain vivid memories of long-ago events? As described in a paper published in Neuron, researchers at Albert Einstein College of Medicine have found the explanation.
“The ability to learn new information and store it for long periods is one of the brain’s most remarkable features,” said Robert H. Singer, Ph.D., a co-corresponding author of the paper. “We’ve made a startling discovery in mice regarding the molecular basis for making those long-term memories.” Dr. Singer is professor of cell biology and in the Dominick P...
Read MoreA team led by a biomedical scientist at the University of California, Riverside has found a new mechanism responsible for the abnormal development of neuronal connections in the mouse brain that leads to seizures and abnormal social behaviors.
The researchers focused on the hippocampus, which plays an important role in learning and social interactions; and synapses, specialized contacts between neurons.
Each neuron in the brain receives numerous excitatory and inhibitory synaptic inputs...
Read MoreAutism spectrum disorder affects ~1 out of every 68 children in the US. Despite expansive study, the origin and risk factors of the complex condition are not fully understood. To better understand the root causes, an team led by researchers at OHSU in Portland, Oregon has applied a new systematic analysis to a cohort of 2,300 families who have a single child affected with autism. The study focused on identifying and characterizing low-lying genetic mutations that may have been missed in previous research, given these mutations are only present in a fraction of the bulk DNA of an individual.
Known as postzygotic mosaic mutations, or PMMs, these genetic changes occur ...
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