Document Detail


Ultrastructural changes of oligodendroglia and myelin sheaths induced by ethidium bromide.
MedLine Citation:
PMID:  431767     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Intracisternal injection of ethidium bromide, an inhibitor of mitochondria associated RNA, DNA and protein synthesis, produced status spongiosus in the subpial surface of the CNS of rats. Ultrastructurally, numerous intra-myelinic vacuoles and prominent degenerative changes of oligodendroglia were observed. The vacuoles were formed between the myelin lamellae by splitting of the intraperiod lines, between the axolemma and the innermost myelin lamellae, and/or between the inner tongue of oligodendroglia and myelin lamellae. In the degenerating oligodendroglia, proliferation and alteration of the endoplasmic reticulum were prominent. In places, altered membranes of the endoplasmic reticulum formed concentrical scroll-like structures. These ultrastructural changes in ethidium bromide treated rats were compared with other similar previously described changes in animals treated with TET, cuprizone, hexachlorophene, hypocholesterolaemic drugs and actinomycin D.
Authors:
K Yajima; K Suzuki
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Neuropathology and applied neurobiology     Volume:  5     ISSN:  0305-1846     ISO Abbreviation:  Neuropathol. Appl. Neurobiol.     Publication Date:    1979 Jan-Feb
Date Detail:
Created Date:  1979-06-11     Completed Date:  1979-06-11     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7609829     Medline TA:  Neuropathol Appl Neurobiol     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  49-62     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Animals
Brain Diseases / chemically induced*
Brain Stem / pathology*
Ethidium / toxicity*
Male
Microscopy, Electron
Myelin Sheath / ultrastructure*
Neuroglia / ultrastructure*
Oligodendroglia / ultrastructure*
Rats
Chemical
Reg. No./Substance:
3546-21-2/Ethidium

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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