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  • 1
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    An activating immunoreceptor complex formed by NKG2D and DAP10 (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-31
    Description: Many immune receptors are composed of separate ligand-binding and signal-transducing subunits. In natural killer (NK) and T cells, DAP10 was identified as a cell surface adaptor protein in an activating receptor complex with NKG2D, a receptor for the stress-inducible and tumor-associated major histocompatibility complex molecule MICA. Within the DAP10 cytoplasmic domain, an Src homology 2 (SH2) domain-binding site was capable of recruiting the p85 subunit of the phosphatidylinositol 3-kinase (PI 3-kinase), providing for NKG2D-dependent signal transduction. Thus, NKG2D-DAP10 receptor complexes may activate NK and T cell responses against MICA-bearing tumors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wu, J -- Song, Y -- Bakker, A B -- Bauer, S -- Spies, T -- Lanier, L L -- Phillips, J H -- AI30581/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1999 Jul 30;285(5428):730-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉DNAX Research Institute, 901 California Avenue, Palo Alto, CA 94304, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10426994" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Binding Sites ; Cell Line ; Cytotoxicity, Immunologic ; Humans ; Killer Cells, Natural/*immunology/metabolism ; Ligands ; *Lymphocyte Activation ; Membrane Proteins/chemistry/genetics/*metabolism ; Mice ; Molecular Sequence Data ; NK Cell Lectin-Like Receptor Subfamily K ; Neoplasms/immunology ; Phosphatidylinositol 3-Kinases/metabolism ; Phosphorylation ; Phosphotyrosine/metabolism ; Receptors, Immunologic/chemistry/genetics/*metabolism ; Receptors, Natural Killer Cell ; Signal Transduction ; T-Lymphocytes/*immunology/metabolism ; Tumor Cells, Cultured ; src Homology Domains
    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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    Activation of NK cells and T cells by NKG2D, a receptor for stress-inducible MICA (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-31
    Description: Stress-inducible MICA, a distant homolog of major histocompatibility complex (MHC) class I, functions as an antigen for gammadelta T cells and is frequently expressed in epithelial tumors. A receptor for MICA was detected on most gammadelta T cells, CD8+ alphabeta T cells, and natural killer (NK) cells and was identified as NKG2D. Effector cells from all these subsets could be stimulated by ligation of NKG2D. Engagement of NKG2D activated cytolytic responses of gammadelta T cells and NK cells against transfectants and epithelial tumor cells expressing MICA. These results define an activating immunoreceptor-MHC ligand interaction that may promote antitumor NK and T cell responses.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bauer, S -- Groh, V -- Wu, J -- Steinle, A -- Phillips, J H -- Lanier, L L -- Spies, T -- P01 CA18221/CA/NCI NIH HHS/ -- R01 AI30581/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1999 Jul 30;285(5428):727-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Fred Hutchinson Cancer Research Center, Clinical Research Division, 1100 Fairview Avenue North, Seattle, WA 98109, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10426993" target="_blank"〉PubMed〈/a〉
    Keywords: Cytotoxicity, Immunologic ; Histocompatibility Antigens Class I/*immunology/metabolism ; Humans ; Jurkat Cells ; Killer Cells, Natural/*immunology ; Ligands ; *Lymphocyte Activation ; Lymphocyte Subsets/immunology ; Membrane Proteins/metabolism ; NK Cell Lectin-Like Receptor Subfamily K ; Receptors, Antigen, T-Cell, gamma-delta/immunology ; Receptors, Immunologic/chemistry/genetics/*immunology/metabolism ; Receptors, Natural Killer Cell ; Signal Transduction ; T-Lymphocytes/*immunology ; 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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  • 3
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    The ethylene response factors SNORKEL1 and SNORKEL2 allow rice to adapt to deep water (2009)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2009-08-21
    Description: Living organisms must acquire new biological functions to adapt to changing and hostile environments. Deepwater rice has evolved and adapted to flooding by acquiring the ability to significantly elongate its internodes, which have hollow structures and function as snorkels to allow gas exchange with the atmosphere, and thus prevent drowning. Many physiological studies have shown that the phytohormones ethylene, gibberellin and abscisic acid are involved in this response, but the gene(s) responsible for this trait has not been identified. Here we show the molecular mechanism of deepwater response through the identification of the genes SNORKEL1 and SNORKEL2, which trigger deepwater response by encoding ethylene response factors involved in ethylene signalling. Under deepwater conditions, ethylene accumulates in the plant and induces expression of these two genes. The products of SNORKEL1 and SNORKEL2 then trigger remarkable internode elongation via gibberellin. We also demonstrate that the introduction of three quantitative trait loci from deepwater rice into non-deepwater rice enabled the latter to become deepwater rice. This discovery will contribute to rice breeding in lowland areas that are frequently flooded during the rainy season.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hattori, Yoko -- Nagai, Keisuke -- Furukawa, Shizuka -- Song, Xian-Jun -- Kawano, Ritsuko -- Sakakibara, Hitoshi -- Wu, Jianzhong -- Matsumoto, Takashi -- Yoshimura, Atsushi -- Kitano, Hidemi -- Matsuoka, Makoto -- Mori, Hitoshi -- Ashikari, Motoyuki -- England -- Nature. 2009 Aug 20;460(7258):1026-30. doi: 10.1038/nature08258.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Bioscience and Biotechnology Center, Nagoya University, Nagoya 464-8601, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19693083" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Physiological/drug effects/genetics/*physiology ; Breeding ; Ethylenes/*metabolism/pharmacology ; *Floods ; Gene Expression Regulation, Plant ; Genes, Plant/genetics/physiology ; Gibberellins/metabolism ; Onions/cytology ; Oryza/drug effects/genetics/*growth & development/*metabolism ; Plant Growth Regulators/*metabolism/pharmacology ; Plant Proteins/genetics/*metabolism ; Quantitative Trait Loci ; Signal Transduction ; Water/metabolism
    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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