LONG-TERM EFFECTS OF PROPYLTHIOURACIL-INDUCED NEONATAL HYPO-THYROIDISM

被引:41
作者
SCHALOCK, RL [1 ]
BROWN, WJ [1 ]
SMITH, RL [1 ]
机构
[1] UNIV CALIF LOS ANGELES,CTR HLTH SCI,DEPT PATHOL,DIV NEUROPATHOL,LOS ANGELES,CA 90024
关键词
D O I
10.1002/dev.420120302
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
Hypothyroidism was induced in neonatal Sprague‐Dawley rats by adding propylthiouracil to the lactating female's food and water. Behavioral evaluation on a 6‐item battery occurred from 70 to 114 days of age. Results indicated long‐lasting behavioral changes in the neonatal hypothyroid animals characterized by increased activity and decreased performance on avoidance and escape learning. Serum thyroxine levels were reduced in the hypothyroid animals throughout the 120‐day period. Experimental animals also had fewer synaptic contacts in the cerebellar cortex when analyzed at 90 days of age. Copyright © 1979 John Wiley & Sons, Inc.
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页码:187 / 199
页数:13
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