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• Vol.53 No.8
• CLINICA NEUROL, 53: 609−617, 2013
• Vol.53 No.8 contents

Review

Cellular pathology of neurodegenerative disorders

Koichi Wakabayashi, M.D., Ph.D.¹⁾

¹⁾Department of Neuropathology, Hirosaki University Graduate School of Medicine

Common cellular and molecular mechanisms including protein aggregation and inclusion body formation are involved in many neurodegenerative diseases. a-Synuclein is a major component of Lewy bodies in Parkinson's disease (PD) as well as in glial cytoplasmic inclusions in multiple system atrophy (MSA). Tau is a principal component of neurofibrillary and glial tangles in tauopathies. Recently, TDP-43 was identified as a component of ubiquitinated inclusions in amyotrophic lateral sclerosis and frontotemporal lobar degeneration. PD is traditionally considered a movement disorder with hallmark lesions in the brainstem pigmented nuclei. However, pathological changes occur in widespread regions of the central and peripheral nervous systems in this disease. Furthermore, primary glial involvement ("gliodegeneration") can be observed in PD and MSA as well as in tauopathy. The present article reviews abnormal protein accumulation and inclusion body formation inside and outside the central nervous system.
Full Text of this Article in Japanese PDF (19606K)

(CLINICA NEUROL, 53: 609−617, 2013)
key words: neurodegenerative disease, inclusion body, glial cell, peripheral nervous system, pathology

(Received: 27-Feb-13)