In contrast, folks with the newly discovered gene variant had only small amounts of fibronectin within their blood-brain barrier. That means that certain toxins -- including amyloid plaques that ...

Fibronectin (Fn) is a glycoprotein ranging from 230 to 270 kDa, typically existing as a dimer linked by disulfide bonds at the C-termini. Each monomer consists of three repeating units: 12 Type I, ...