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Insights into a debilitating brain disease

From the neurons that enable thought to the keratinocytes that make toenails grow -- a complex canopy of sugar molecules, commonly known as glycans, envelop every living cell in the human body. These complex carbohydrate chains perform a host of vital functions, providing the necessary machinery for cells to communicate, replicate and survive. It stands to reason, then, that when something goes wrong with a person's glycans, something goes wrong with them.
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