- •HDLS pathologically shows white matter degeneration and many axonal spheroids.
- •Axonal degeneration with spheroids is an early disease process in HDLS.
- •Axonal proteins and α-synuclein are involved in the spheroid formation.
Hereditary diffuse leukoencephalopathy with axonal spheroids (HDLS) is a neurodegenerative disease clinically characterized by slowly progressive cognitive decline and motor dysfunction. Neuropathology shows diffuse degeneration in the white matter, with prominent presence of widespread axonal spheroids. To investigate the mechanism underlying HDLS neurodegeneration, we characterized spheroids and examined their development in the degenerated white matter. Analysis revealed that the spheroids are an early neuropathological manifestation in the white matter degeneration and involve axonal component proteins and α-synuclein. The development of spheroids facilitates in initiating neurodegeneration in HDLS.
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Published online: March 27, 2015
Accepted: March 18, 2015
Received in revised form: February 16, 2015
Received: December 8, 2014
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