Down syndrome is caused by an extra copy of chromosome 21. Because of genes present on this chromosome that are known to contribute to Alzheimer's disease, patients with Down syndrome often develop ...

FROZEN sections of formalin-fixed tissue of a human fœtus 28 weeks old were impregnated with silver, using Bielschowsky's technique to show neurofibrils, and stained by other methods. Detailed ...

IN recent experiments, the addition of adrenaline (0.001–0.005 µgm./ml.) to in vitro cultures or subcultures of adult mammalian cerebral cortex invariably caused the appearance of neurofibrils in the ...

People with higher exposure to traffic-related air pollution were more likely to have high amounts of amyloid plaques in their brains associated with Alzheimer's disease after death, according to a ...