Abstract:
:The purpose of this study was to characterize the ultrastructural changes in the muscles of 2- and 6-month-old rats that were injected with 6-mercaptopurine monohydrate (6-MP) at 2 mg base/kg sc daily from 2 to 22 days of age. The earliest, usually subsarcolemmal alterations, were disorganization of fibrils at the Z-bands with excessive Z-band-like material and loss of myofibrils. In the most extensive lesions, the entire fiber was involved, with vacuoles within the disorganized fibrils. The peripheral nerves and vessels were unremarkable. Thus 6-MP-induced changes appear to be primarily myogenic in origin.
journal_name
Toxicol Ind Healthjournal_title
Toxicology and industrial healthauthors
Abraham AA,Veronesi B,Alleva FR,Balazs Tdoi
10.1177/074823378600200205subject
Has Abstractpub_date
1986-09-01 00:00:00pages
41-50issue
2eissn
0748-2337issn
1477-0393journal_volume
2pub_type
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