New research reveals that Alzheimer's disease may impair nerve function not by reducing myelin, but by altering the proteins ...

In this image, an axon appears in green, while abnormal protein clumps (amyloid, red) lodge in tiny channels within the myelin sheath. Amyloid aggregates form filament-like strands across the ...

The disruption of axons—the thread-like part of nerve cells that transmits electrical signals—is associated with Alzheimer’s disease. One way axonal function may be hindered is through damage to the ...

Employing pharmacology, genetics and all-optical approaches in zebrafish, Braaker et al. find that neuronal activity influences the growth of myelin sheaths along axons by signaling through ...

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They create a myelin sheath around nerves, which helps insulate them for faster conduction. Additionally, these cells help repair damaged axons and can even regenerate them.

Organisation and function of myelinated axon domains During development of vertebrate peripheral nerves, Schwann cells myelinate axons that are larger than ~1 µm in diameter. Each myelin internode is ...