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  • 1
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    IL25 elicits a multipotent progenitor cell population that promotes T(H)2 cytokine responses (2010)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2010-03-05
    Description: CD4(+) T helper 2 (T(H)2) cells secrete interleukin (IL)4, IL5 and IL13, and are required for immunity to gastrointestinal helminth infections. However, T(H)2 cells also promote chronic inflammation associated with asthma and allergic disorders. The non-haematopoietic-cell-derived cytokines thymic stromal lymphopoietin, IL33 and IL25 (also known as IL17E) have been implicated in inducing T(H)2 cell-dependent inflammation at mucosal sites, but how these cytokines influence innate immune responses remains poorly defined. Here we show that IL25, a member of the IL17 cytokine family, promotes the accumulation of a lineage-negative (Lin(-)) multipotent progenitor (MPP) cell population in the gut-associated lymphoid tissue that promotes T(H)2 cytokine responses. The IL25-elicited cell population, termed MPP(type2) cells, was defined by the expression of Sca-1 (also known as Ly6a) and intermediate expression of c-Kit (c-Kit(int)), and exhibited multipotent capacity, giving rise to cells of monocyte/macrophage and granulocyte lineages both in vitro and in vivo. Progeny of MPP(type2) cells were competent antigen presenting cells, and adoptive transfer of MPP(type2) cells could promote T(H)2 cytokine responses and confer protective immunity to helminth infection in normally susceptible Il25(-/-) mice. The ability of IL25 to induce the emergence of an MPP(type2) cell population identifies a link between the IL17 cytokine family and extramedullary haematopoiesis, and suggests a previously unrecognized innate immune pathway that promotes T(H)2 cytokine responses at mucosal sites.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2861732/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2861732/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Saenz, Steven A -- Siracusa, Mark C -- Perrigoue, Jacqueline G -- Spencer, Sean P -- Urban, Joseph F Jr -- Tocker, Joel E -- Budelsky, Alison L -- Kleinschek, Melanie A -- Kastelein, Robert A -- Kambayashi, Taku -- Bhandoola, Avinash -- Artis, David -- AI074878/AI/NIAID NIH HHS/ -- AI083480/AI/NIAID NIH HHS/ -- AI61570/AI/NIAID NIH HHS/ -- F31GM082187/GM/NIGMS NIH HHS/ -- P30 DK50306/DK/NIDDK NIH HHS/ -- R01 AI061570/AI/NIAID NIH HHS/ -- R01 AI061570-06/AI/NIAID NIH HHS/ -- R01 AI074878/AI/NIAID NIH HHS/ -- R01 AI074878-03/AI/NIAID NIH HHS/ -- R01 AI095466/AI/NIAID NIH HHS/ -- R01 AI102942/AI/NIAID NIH HHS/ -- R21 AI083480/AI/NIAID NIH HHS/ -- R21 AI083480-01/AI/NIAID NIH HHS/ -- T32AI007532-08/AI/NIAID NIH HHS/ -- England -- Nature. 2010 Apr 29;464(7293):1362-6. doi: 10.1038/nature08901. Epub 2010 Mar 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathobiology, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20200520" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Ly/metabolism ; *Cell Differentiation ; Cell Lineage ; Granulocytes/cytology/immunology/metabolism ; Immunity, Innate/immunology ; Immunity, Mucosal/immunology ; Interleukins/biosynthesis/*immunology/metabolism ; Lymphoid Tissue/cytology/immunology ; Macrophages/cytology/immunology/metabolism ; Membrane Proteins/metabolism ; Mice ; Mice, Inbred Strains ; Multipotent Stem Cells/*cytology/*immunology ; Nippostrongylus/immunology ; Proto-Oncogene Proteins c-kit/metabolism ; Strongylida Infections/immunology ; Th2 Cells/cytology/*immunology/*metabolism ; Trichuriasis/immunology ; Trichuris/immunology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 2
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    Adaptation of innate lymphoid cells to a micronutrient deficiency promotes type 2 barrier immunity (2014)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2014-01-25
    Description: How the immune system adapts to malnutrition to sustain immunity at barrier surfaces, such as the intestine, remains unclear. Vitamin A deficiency is one of the most common micronutrient deficiencies and is associated with profound defects in adaptive immunity. Here, we found that type 3 innate lymphoid cells (ILC3s) are severely diminished in vitamin A-deficient settings, which results in compromised immunity to acute bacterial infection. However, vitamin A deprivation paradoxically resulted in dramatic expansion of interleukin-13 (IL-13)-producing ILC2s and resistance to nematode infection in mice, which revealed that ILCs are primary sensors of dietary stress. Further, these data indicate that, during malnutrition, a switch to innate type 2 immunity may represent a powerful adaptation of the immune system to promote host survival in the face of ongoing barrier challenges.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4313730/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4313730/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Spencer, S P -- Wilhelm, C -- Yang, Q -- Hall, J A -- Bouladoux, N -- Boyd, A -- Nutman, T B -- Urban, J F Jr -- Wang, J -- Ramalingam, T R -- Bhandoola, A -- Wynn, T A -- Belkaid, Y -- F30 DK094708/DK/NIDDK NIH HHS/ -- Z99 AI999999/Intramural NIH HHS/ -- New York, N.Y. -- Science. 2014 Jan 24;343(6169):432-7. doi: 10.1126/science.1247606.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Immunity at Barrier Sites Initiative, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Disease, NIH, Bethesda 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24458645" target="_blank"〉PubMed〈/a〉
    Keywords: *Adaptive Immunity ; Animals ; Citrobacter rodentium/immunology ; Enterobacteriaceae Infections/immunology ; Homeodomain Proteins/genetics ; *Immunity, Innate ; Interleukin-13/biosynthesis ; Lymphocytes/*immunology ; Mice ; Mice, Inbred C57BL ; Mice, Mutant Strains ; Micronutrients/*deficiency ; Vitamin A/*immunology ; Vitamin A Deficiency/*immunology
    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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