Abstract：
:Recently it was observed that the hypothyroid state induced by propylthiouracil treatment reduced the elimination rate of ethanol. This was based on the fact that hypothyroid rats could only tolerate 10 g/kg/day of ethanol infusion over 24 h. Euthyroid rats tolerate 13 to 14 g/kg/day of ethanol infusion. In the present report it was postulated that thyroid supplements would increase the daily dose of ethanol that the treated rats could tolerate. Daily thyroid supplements, given intraperitoneally or orally, did, in fact, result in an increase in the elimination rate of ethanol. Death from ethanol overdose did not occur until the amount of ethanol given reached 16 to 19 g/kg/day. In addition, thyroxine supplements blunted or completely inhibited the urinary ethanol cycle. Submassive centrilobular liver necrosis was present in 9 of 10 rats given thyroid hormone and fed ethanol. Periportal duct metaplasia and fibrosis were also observed. Thus, thyroid supplements probably enhanced central hypoxia caused by ethanol to the point where ischemic necrosis developed. The latter healed by scar formation. Thyroid treatment completely prevented ethanol-induced steatohepatitis, indicating that the fatty change is responsive to the metabolic rate.
journal_name
Exp Mol Patholjournal_title
Experimental and molecular pathologyauthors
Li J,French BA,Fu P,French SWdoi
10.1006/exmp.2001.2381keywords:
subject
Has Abstractpub_date
2001-08-01 00:00:00pages
79-88issue
1eissn
0014-4800issn
1096-0945pii
S0014-4800(01)92381-0journal_volume
71pub_type
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