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  • 1
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    Docosahexaenoic acid, a ligand for the retinoid X receptor in mouse brain (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-12-16
    Description: The retinoid X receptor (RXR) is a nuclear receptor that functions as a ligand-activated transcription factor. Little is known about the ligands that activate RXR in vivo. Here, we identified a factor in brain tissue from adult mice that activates RXR in cell-based assays. Purification and analysis of the factor by mass spectrometry revealed that it is docosahexaenoic acid (DHA), a long-chain polyunsaturated fatty acid that is highly enriched in the adult mammalian brain. Previous work has shown that DHA is essential for brain maturation, and deficiency of DHA in both rodents and humans leads to impaired spatial learning and other abnormalities. These data suggest that DHA may influence neural function through activation of an RXR signaling pathway.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉de Urquiza, A M -- Liu, S -- Sjoberg, M -- Zetterstrom, R H -- Griffiths, W -- Sjovall, J -- Perlmann, T -- New York, N.Y. -- Science. 2000 Dec 15;290(5499):2140-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Ludwig Institute for Cancer Research, Stockholm Branch, Box 240, S-171 77 Stockholm, Sweden.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11118147" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Assay ; Brain/growth & development/metabolism ; *Brain Chemistry ; Cell Line ; Chromatography, High Pressure Liquid ; Culture Media, Conditioned ; Dimerization ; Docosahexaenoic Acids/*isolation & purification/*metabolism/pharmacology ; Fatty Acids, Unsaturated/pharmacology ; Histone Acetyltransferases ; Humans ; Ligands ; Male ; Mice ; Nuclear Receptor Coactivator 1 ; Receptors, Retinoic Acid/genetics/*metabolism ; Recombinant Fusion Proteins/metabolism ; Retinoid X Receptors ; Signal Transduction ; Spectrometry, Mass, Electrospray Ionization ; Transcription Factors/genetics/*metabolism ; Transfection ; Tumor Cells, Cultured
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Dopamine neuron agenesis in Nurr1-deficient mice (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-04-11
    Description: Dopamine neurons of the substantia nigra and ventral tegmental area regulate movement and affective behavior and degenerate in Parkinson's disease. The orphan nuclear receptor Nurr1 was shown to be expressed in developing dopamine neurons before the appearance of known phenotypic markers for these cells. Mice lacking Nurr1 failed to generate midbrain dopaminergic neurons, were hypoactive, and died soon after birth. Nurr1 expression continued into adulthood, and brains of heterozygous animals, otherwise apparently healthy, contained reduced dopamine levels. These results suggest that putative Nurr1 ligands may be useful for treatment of Parkinson's disease and other disorders of midbrain dopamine circuitry.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zetterstrom, R H -- Solomin, L -- Jansson, L -- Hoffer, B J -- Olson, L -- Perlmann, T -- New York, N.Y. -- Science. 1997 Apr 11;276(5310):248-50.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neuroscience, Karolinska Institute, S-171 77 Stockholm, Sweden.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9092472" target="_blank"〉PubMed〈/a〉
    Keywords: 3,4-Dihydroxyphenylacetic Acid/metabolism ; Animals ; Cell Differentiation ; Chromatography, High Pressure Liquid ; Corpus Striatum/metabolism ; *DNA-Binding Proteins ; Dopamine/biosynthesis/*metabolism ; Gene Targeting ; Heterozygote ; Ligands ; Mesencephalon/abnormalities/*cytology/growth & development/metabolism ; Mice ; Nerve Tissue Proteins/genetics/*metabolism ; Neurons/*cytology/*metabolism ; Nuclear Receptor Subfamily 4, Group A, Member 2 ; RNA, Messenger/genetics/metabolism ; Transcription Factors/genetics/*metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
    Location Call Number Expected Availability
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