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Characterization of spheroids in hereditary diffuse leukoencephalopathy with axonal spheroids
Chenghua Jin1, Yukihiko Washimi2, Kunihiro Yoshida3
1Laboratory of Research Resources, Research Institute, National Center for Geriatrics and Gerontology, Aichi 474-8511, Japan.
Journal of the Neurological Sciences
|April 7, 2015
Summary
Hereditary diffuse leukoencephalopathy with axonal spheroids (HDLS) involves white matter degeneration and axonal spheroids. These spheroids, containing axonal proteins and alpha-synuclein, initiate neurodegeneration in HDLS.
Area of Science:
- Neuroscience
- Pathology
- Genetics
Background:
- Hereditary diffuse leukoencephalopathy with axonal spheroids (HDLS) is a rare neurodegenerative disorder.
- Clinical features include progressive cognitive decline and motor dysfunction.
- Neuropathology is marked by diffuse white matter degeneration and axonal spheroids.
Purpose of the Study:
- To investigate the underlying mechanisms of neurodegeneration in HDLS.
- To characterize the axonal spheroids and their role in disease progression.
- To examine the early neuropathological manifestations in HDLS white matter.
Main Methods:
- Characterization of axonal spheroids in HDLS white matter.
- Examination of spheroid development during neurodegeneration.
- Analysis of protein components within the spheroids, including alpha-synuclein.
Main Results:
- Axonal spheroids are an early neuropathological feature in HDLS.
- Spheroids are composed of axonal component proteins and alpha-synuclein.
- Spheroid development contributes to the initiation of neurodegeneration in HDLS.
Conclusions:
- Axonal spheroids play a critical role in the pathogenesis of HDLS.
- Understanding spheroid formation may lead to new therapeutic targets for HDLS.
- HDLS neurodegeneration is initiated by the development of these specific spheroids.

