Document Detail


Influence of phytogenic substances with thyreostatic effects in combination with iodine on the thyroid hormones and somatomedin level in pigs.
MedLine Citation:
PMID:  2410286     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Growing pigs were given 8% rape seed meal (RSM), which was offered without or with different iodine-supplements and further trace elements. RSM without I-supplementation reduced food intake and weight gains by more than 50%, thyroid weight increased by the factor 6, T4 declined below the detectable limit, T3 by two thirds and somatomedin activity by 50% compared to the control group (soy bean meal). In spite of supplementation with iodine and further trace elements the T3-level reached the level of the control group in no variant due to nutrient deficiency (reduced food intake) and the conversion-impeding effect of goitrogenic substances. The same is true for Sm-activity and weight gains, whereas the T4-level increased even above the level of control animals due to I-supplementation. There are significant correlations (correlation coefficients 0.77 and 0.64 resp.; p less than 0.001) between food intake and T3-concentration resp. and Sm-activity. This study demonstrate that the reduced growth in case of the intake of phytogenic substances with thyreostatic effects is directed by the diminished food consumption and the peripheral hypothyroid situation via decreased Sm-synthesis. The high content of thyreostatic substances in tissues of rape seed fed animals is a potential danger for the human consumer.
Authors:
G Jahreis; V Hesse; W Plenert; A Hennig; F Schöne; H Lüdke
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Experimental and clinical endocrinology     Volume:  85     ISSN:  0232-7384     ISO Abbreviation:  Exp. Clin. Endocrinol.     Publication Date:  1985 Apr 
Date Detail:
Created Date:  1985-09-19     Completed Date:  1985-09-19     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8302802     Medline TA:  Exp Clin Endocrinol     Country:  GERMANY, EAST    
Other Details:
Languages:  eng     Pagination:  183-90     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Animals
Antithyroid Agents / administration & dosage,  pharmacology*
Body Weight / drug effects
Brassica
Diet
Eating / drug effects
Iodine / pharmacology*
Organ Size / drug effects
Somatomedins / blood*
Swine
Thyroid Gland / anatomy & histology
Thyroxine / blood*
Triiodothyronine / blood*
Chemical
Reg. No./Substance:
0/Antithyroid Agents; 0/Somatomedins; 6893-02-3/Triiodothyronine; 7488-70-2/Thyroxine; 7553-56-2/Iodine

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


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