Word: geneses
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What exactly is going awry in the brains of people who have autism? The answer is very slowly coming into focus. A paper published in the current issue of Science by researchers at Children's Hospital Boston and members of the Boston-based Autism Consortium identifies five new autism-related...
Researchers looked at autism-related genes found in large families in the Middle East and Turkey. Big families in which cousins sometimes marry cousins are ideal for studying recessive genes. Though the newly identified genes are located in far-flung regions on the 23 human chromosomes, they are related in...
Symptoms of autism typically emerge during the first five years of life - a period when a child normally picks up language, social skills and many other new abilities. Scientists call this kind of growth "experience-dependent learning," and researchers know that it is associated with enormous changes in brain circuitry...
One encouraging finding: most of the genetic defects identified in the Middle Eastern families were not in the business part of the gene - the part that codes for a critical brain protein. Instead the defects lay mainly in adjacent regions that turn the gene fully or partially on and off...
Drugs to treat this adult-onset condition would have to work differently from the ones used to treat fragile X syndrome because the biology of the disease is different too. In fragile X, the key gene is silent; in FXTAS patients, it's too active. "The gene produces up to...