Document Detail


Influence of lithium on cell function in two different cell systems.
MedLine Citation:
PMID:  12859019     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Lithium is widely used in the treatment and prophylaxis of bipolar psychiatric disorders. It accumulates in the thyroid gland and can cause goitre or thyroid dysfunction. The mechanisms of various effects of the lithium ion on thyroid cells have not been completely clarified. The aim of our work was to establish whether lithium, in the presence or absence of TSH, stimulates the synthesis of cAMP; as model systems we used a strain of rat thyroid follicular cells FRTL-5 and a line of Chinese hamster ovary fibroblasts with the human TSH receptor (CHO-R). Lithium at concentrations of 0.35 mM, 1 mM, 1.4 mM, 1.7 mM and 2 mM without TSH and at selected concentrations with TSH stimulation significantly increased cAMP synthesis in FRTL-5 and in CHO-R cells when compared with controls without lithium. These results are different from the published data, which have been unable to confirm the influence of lithium on cAMP synthesis or have even reported the inhibition of cAMP synthesis. However, in most published investigations only lithium in combination with TSH was tested. In conclusion, lithium was found to stimulate cAMP synthesis in FRTL-5 cells and in CHO-R cells.
Authors:
S Gaberscek; M Kalisnik; K Pavlin; M Pezdirc; S Hojker
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Folia biologica     Volume:  49     ISSN:  0015-5500     ISO Abbreviation:  Folia Biol. (Praha)     Publication Date:  2003  
Date Detail:
Created Date:  2003-07-15     Completed Date:  2004-03-08     Revised Date:  2005-11-17    
Medline Journal Info:
Nlm Unique ID:  0234640     Medline TA:  Folia Biol (Praha)     Country:  Czech Republic    
Other Details:
Languages:  eng     Pagination:  110-4     Citation Subset:  IM    
Affiliation:
University Medical Centre Ljubljana, Department for Nuclear Medicine, Ljubljana, Slovenia. simona.gaberscek@kclj.si
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MeSH Terms
Descriptor/Qualifier:
Animals
Antipsychotic Agents / pharmacology
CHO Cells
Cell Line
Cricetinae
Cyclic AMP / biosynthesis,  metabolism
Dose-Response Relationship, Drug
Lithium / pharmacology*
Rats
Thyroid Gland / cytology
Thyrotropin / metabolism
Chemical
Reg. No./Substance:
0/Antipsychotic Agents; 60-92-4/Cyclic AMP; 7439-93-2/Lithium; 9002-71-5/Thyrotropin

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


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