Document Detail


Susceptibility to autoimmune disease and drug addiction in inbred rats. Are there mechanistic factors in common related to abnormalities in hypothalamic-pituitary-adrenal axis and stress response function?
MedLine Citation:
PMID:  11268408     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
DA and LEW inbred rats are extraordinarily susceptible to a wide range of experimental autoimmune diseases. These diseases include rheumatoid arthritis models such as collagen-induced arthritis (CIA) and adjuvant-induced arthritis (AIA), multiple sclerosis models such as myelin-basic-protein (MBP)-induced experimental autoimmune encephalomyelitis (MBP-EAE), and autoimmune uveitis models such as retinal S antigen (SAG) and interphotoreceptor-retinoid-binding-protein (IRBP)-induced experimental autoimmune uveitis (SAG-EAU and IRBP-EAU, respectively). DA and LEW rats are also addiction-prone to various drugs of abuse, such as cocaine. Moreover, they exhibit a variety of behavioral and biochemical characteristics that appear to be related to their susceptibility to addiction. By contrast, F344 and BN rats show quite different phenotypes. They are relatively resistant to CIA, AIA, MBP-EAE, SAG-EAU, and IRBP-EAU, and they are relatively resistant to addiction. Interestingly, both DA and LEW rats, in contrast to F344 and BN rats, have abnormalities in hypothalamic-pituitary-adrenal (HPA) axis function. For example, circadian production of corticosteroids is very abnormal in DA and LEW rats; that is, they exhibit minimal circadian variation in corticosterone levels. Since corticosteroids potentially have significant influences on immune function and autoimmune disease susceptibility and may also influence sensitivity to drugs of abuse, we have begun to dissect genetic control of these various phenotypic differences, focusing initially on the regulation of autoimmune disease expression. Using genomewide scanning techniques involving F2 crosses of DA x F344 (CIA and AIA), DA x BN (CIA), and LEW x F344 [IRBP-EAU and streptococcal-cell-wall arthritis (SCWA)], we have identified, to date, 14 genomic regions [quantitative trait loci (QTL)] that regulate disease expression in these crosses. Development and analysis of QTL-congenic rats involving these loci are in progress and should permit us to address the relationships among autoimmune disease susceptibility, drug addiction, and HPA axis and stress response function. These initial data, however, indicate that the genetic control of the autoimmune disease traits is highly complex.
Authors:
R L Wilder; M M Griffiths; G W Cannon; R Caspi; E F Remmers
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Publication Detail:
Type:  Journal Article; Review    
Journal Detail:
Title:  Annals of the New York Academy of Sciences     Volume:  917     ISSN:  0077-8923     ISO Abbreviation:  Ann. N. Y. Acad. Sci.     Publication Date:  2000  
Date Detail:
Created Date:  2001-03-27     Completed Date:  2001-04-19     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  7506858     Medline TA:  Ann N Y Acad Sci     Country:  United States    
Other Details:
Languages:  eng     Pagination:  784-96     Citation Subset:  IM    
Affiliation:
Inflammatory Joint Diseases Section, Arthritis and Rheumatism Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bldg. 10, Room 9N240, Bethesda, Maryland 20892, USA. wilderr@exchange.nih.gov
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MeSH Terms
Descriptor/Qualifier:
Animals
Autoimmune Diseases / etiology*,  genetics
Genetic Predisposition to Disease
Hypothalamo-Hypophyseal System / immunology*
Neuroimmunomodulation / genetics
Pituitary-Adrenal System / immunology*
Rats
Rats, Inbred Strains
Species Specificity
Stress, Physiological / genetics,  immunology*
Substance-Related Disorders / genetics

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


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