Model of blood-brain barrier malfunctions when stem cells are derived from cells of patients with Huntington's disease
From the article:
For their study, a team led by Cedars-Sinai investigators generated stem cells known as induced pluripotent stem cells, which can produce any type of cell, using an individual adult’s blood samples. They used these special cells to make neurons, blood-vessel linings and support cells that together make up the blood-brain barrier. The team then placed the various types of cells inside Organ-Chips, which recreated the body’s microenvironment with the natural physiology and mechanical forces that cells experience within the human body.
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The living cells soon formed a functioning unit of a blood-brain barrier that functions as it does in the body, including blocking entry of certain drugs. Significantly, when this blood-brain barrier was derived from cells of patients with Huntington’s disease or Allan-Herndon-Dudley syndrome, a rare congenital neurological disorder, the barrier malfunctioned in the same way that it does in patients with these diseases.