GeneSet Information

Tier II GS135309 • anxiety (Anxty, Published QTL Chr 4)


QTL associated with anxiety. This interval was obtained by using a fixed interval width of 25 Mbp around the peak marker (73865241)


QTL-Anxty-Mouse-Chr 4









Nakamura K, Xiu Y, Ohtsuji M, Sugita G, Abe M, Ohtsuji N, Hamano Y, Jiang Y, Takahashi N, Shirai T, Nishimura H, Hirose S


Genetic dissection of anxiety in autoimmune disease.


Human molecular genetics May 2003, Vol 12, pp. 1079-86


Systemic lupus erythematosus (SLE), a complex multigenic disease, is characterized by hypergammaglobulinemia, autoantibody production and immune complex-type lupus nephritis. In addition to these signs and symptoms in SLE, there can be symptoms of neurological disorders, including anxiety. To clarify mechanisms governing the anxiety seen in lupus, we carried out genome-wide scans, and found that the region including interferon-alpha (IFN-alpha) on NZB chromosome 4 is significantly linked to the anxiety-like behavior seen in SLE-prone New Zealand Black (NZB) x New Zealand White (NZW) F(1) (B/W F(1)) mice. This finding was confirmed by anxiety-like performances of mice with heterozygous NZB/NZW alleles in the susceptibility region onto the NZW background. In B/W F(1) mice, neuronal IFN-alpha levels were elevated, and blockade of the micro (1) opioid receptor or corticotropin-releasing hormone receptor 1, possible downstream effectors for IFN-alpha in the brain partially overcame the anxiety-like behavior seen in the B/W F(1) mice. Consistently, neuronal corticotropin-releasing hormone levels were higher in B/W F(1) than NZW mice. Furthermore, pretreatment of micro (1) opioid receptor antagonist abolished anxiety-like behaviour seen in IFN-alpha-treated NZW mice. Anxiety is shown to be mediated by multiple mediators. Our data suggest that a genetically determined endogenous excess amount of IFN-alpha in the brain may form one aspect of anxiety-like behavior seen in SLE-prone mice. PUBMED: 12719372
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Annotation Information

Chromosomes, Human, Pair 4 (D002894)
Alleles (D000483)
Lupus Erythematosus, Systemic (D008180)
Lupus Nephritis (D008181)
Behavior (D001519)
Corticotropin-Releasing Hormone (D003346)
Chromosomes (D002875)
Dissection (D004210)
New Zealand (D009520)
Autoimmune Diseases (D001327)
European Continental Ancestry Group (D044465)
Nervous System Diseases (D009422)
Interferon-alpha (D016898)
Nephritis (D009393)
Hormones (D006728)
Receptors, Opioid (D011957)
Hypergammaglobulinemia (D006942)
Anxiety (D001007)
Signs and Symptoms (D012816)
increased IgG level (MP:0002493)
kidney inflammation (MP:0001859)
chromosome (GO:0005694)

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