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    Preferential generation of follicular B helper T cells from Foxp3+ T cells in gut Peyer's patches (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-03-17
    Description: Most of the immunoglobulin A (IgA) in the gut is generated by B cells in the germinal centers of Peyer's patches through a process that requires the presence of CD4+ follicular B helper T(TFH) cells. The nature of these T(FH) cells in Peyer's patches has been elusive. Here, we demonstrate that suppressive Foxp3+CD4+ T cells can differentiate into TFH cells in mouse Peyer's patches. The conversion of Foxp3+ T cells into TFH cells requires the loss of Foxp3 expression and subsequent interaction with B cells. Thus, environmental cues present in gut Peyer's patches promote the selective differentiation of distinct helper T cell subsets, such as TFH cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tsuji, Masayuki -- Komatsu, Noriko -- Kawamoto, Shimpei -- Suzuki, Keiichiro -- Kanagawa, Osami -- Honjo, Tasuku -- Hori, Shohei -- Fagarasan, Sidonia -- New York, N.Y. -- Science. 2009 Mar 13;323(5920):1488-92. doi: 10.1126/science.1169152.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory for Mucosal Immunity, RIKEN, Yokohama 1-7-22, Tsurumi, Yokohama, 230-0045, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19286559" target="_blank"〉PubMed〈/a〉
    Keywords: Adoptive Transfer ; Animals ; Antigens, CD40/metabolism ; B-Lymphocytes/immunology ; CD4-Positive T-Lymphocytes/cytology/*immunology/metabolism ; Cell Differentiation ; Dendritic Cells/cytology/immunology ; Down-Regulation ; Forkhead Transcription Factors/genetics/*metabolism ; Gene Expression Profiling ; Germinal Center/immunology ; Immunoglobulin A, Secretory/biosynthesis ; Intestine, Small/cytology/immunology ; Lymph Nodes/cytology/immunology ; Lymphocyte Activation ; Mice ; Mice, Transgenic ; Peyer's Patches/cytology/*immunology ; Spleen/cytology/immunology ; T-Lymphocyte Subsets/cytology/*immunology/metabolism ; T-Lymphocytes, Helper-Inducer/cytology/*immunology/metabolism ; T-Lymphocytes, Regulatory/cytology/*immunology/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)
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  • 2
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    Complementary process to response bias in the centromedian nucleus of the thalamus (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2005-06-18
    Description: Activity in several areas of the human brain and the monkey brain increases when a subject anticipates events associated with a reward, implicating a role for bias of decision and action. However, in real life, events do not always appear as expected, and we must choose an undesirable action. More than half of the neurons in the monkey centromedian (CM) thalamus were selectively activated when a small-reward action was required but a large-reward option was anticipated. Electrical stimulation of the CM after a large-reward action request substituted a brisk performance with a sluggish performance. These results suggest involvement of the CM in a mechanism complementary to decision and action bias.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Minamimoto, Takafumi -- Hori, Yukiko -- Kimura, Minoru -- New York, N.Y. -- Science. 2005 Jun 17;308(5729):1798-801.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physiology, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15961671" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Behavior, Animal ; Decision Making ; Electric Stimulation ; Electrophysiology ; Macaca ; Neurons/*physiology ; Probability ; Reaction Time ; *Reward ; Task Performance and Analysis ; Thalamic Nuclei/*physiology
    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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    PAPER CURRENT
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