Document Detail


Influence of sympathetic denervation of the thyroid by superior cervical ganglionectomy on the growth processes in the gland in basal conditions and after hemithyroidectomy.
MedLine Citation:
PMID:  3273629     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The aim of the present study has been to examine the effects of superior cervical ganglionectomy (SCGx) on the hypertrophic (thyroid lobe weight) and hyperplastic (thyroid mitotic activity) response of the rat thyroid gland in basal conditions or after hemithyroidectomy (hemiTx), both being assessed 14 days after the surgeries. It has been shown that: 1) Ipsilateral and/or bilateral SCGx brought about the growth (both hypertrophy and hyperplasia) of thyroid lobes in the animals with intact thyroid; the strongest hypertrophic reaction occurred after ipsilateral SCGx and the strongest hyperplastic response followed bilateral SCGx. 2) Unilateral SCGx, when performed ipsilaterally to the remaining thyroid lobe after hemiTx amplified the hypertrophic, but not hyperplastic response of this lobe. Both contralateral and bilateral SCGx had no effect on the hypertrophy of the remaining thyroid lobe. Unexpectedly, both bilateral and contralateral SCGx exerted the suppressive effect on the hyperplastic response of the thyroid lobe following hemiTx. These results indicate that the sympathetic innervation plays an important role in the control of thyroid growth of intact animals and/or after hemiTx.
Authors:
G Zerek-Mełeń; A Lewiński
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Acta physiologica et pharmacologica latinoamericana : organo de la Asociación Latinoamericana de Ciencias Fisiológicas y de la Asociación Latinoamericana de Farmacología     Volume:  38     ISSN:  0326-6656     ISO Abbreviation:  Acta Physiol Pharmacol Latinoam     Publication Date:  1988  
Date Detail:
Created Date:  1990-05-31     Completed Date:  1990-05-31     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8409686     Medline TA:  Acta Physiol Pharmacol Latinoam     Country:  ARGENTINA    
Other Details:
Languages:  eng     Pagination:  377-87     Citation Subset:  IM    
Affiliation:
Department of Experimental Endocrinology and Hormone Diagnostic, Medical Academy of Lódź, Poland.
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MeSH Terms
Descriptor/Qualifier:
Animals
Ganglia, Sympathetic
Ganglionectomy / methods*
Hyperplasia
Hypertrophy
Male
Mitotic Index
Organ Size
Rats
Rats, Inbred Strains
Thyroid Gland / growth & development,  innervation,  pathology*
Thyroidectomy / methods*

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


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