Abstract:
:The norepinephrine content of hypothalamus in vehicle-treated control rats gradually increases between days 16 and 45 of life. Norepinephrine contents of the hypothalamus and mesencephalon of the thyroxine-treated (10 microgram/g b.w., s.c., days 8-10) animals also increase between days 16 and 21. Mesencephalic and hypothalamic dopamine contents show no definite patterns throughout this period. The norepinephrine content of both regions is higher in the thyroxine-treated than in control animals between days 16 and 21. Hypothalamic dopamine content is higher and mesencephalic dopamine is lower in thyroxine-treated than in control animals between days 16-21. Corticosterone treatment (20 microgram/g b.w., i.p., days 2-4) results in lower norepinephrine content of both regions, lower dopamine content of hypothalamus and higher dopamine content of mesencephalon between days 16 and 21. Thyroxine treatment (days 8-10) counteracts all these effects of the corticosteroid in animals receiving both treatments. Thus, neonatal thyroxine and/or corticosterone treatment significantly affect the developmental pattern of hypothalamic and mesencephalic catecholamines.
journal_name
Dev Neuroscijournal_title
Developmental neuroscienceauthors
Lengvári I,Branch BJ,Taylor ANdoi
10.1159/000112377subject
Has Abstractpub_date
1980-01-01 00:00:00pages
59-65issue
2eissn
0378-5866issn
1421-9859journal_volume
3pub_type
杂志文章abstract::In the presence of nerve growth factor (NGF) PC12 pheochromocytoma cells develop properties of sympathetic neurons and extend long microtubule-containing neurites. PC12 cell microtubule protein was isolated using an assembly and disassembly procedure, either directly from an unlabeled cell extract or by copolymerizati...
journal_title:Developmental neuroscience
pub_type: 杂志文章
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journal_title:Developmental neuroscience
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更新日期:1999-01-01 00:00:00
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更新日期:2005-03-01 00:00:00
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更新日期:2007-01-01 00:00:00
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pub_type: 杂志文章,评审
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journal_title:Developmental neuroscience
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更新日期:1981-01-01 00:00:00
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