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Nature Immunology

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https://www.readbyqxmd.com/read/29222498/author-correction-charles-d-surh-1960-2017
#1
Janko Nikolich-Žugich
In the version of this article initially published, the year of birth provided (1960) was incorrect. The correct year is 1961. The error has been corrected in the HTML and PDF versions of the article.
December 8, 2017: Nature Immunology
https://www.readbyqxmd.com/read/29203862/diversification-of-human-plasmacytoid-predendritic-cells-in-response-to-a-single-stimulus
#2
Solana G Alculumbre, Violaine Saint-André, Jeremy Di Domizio, Pablo Vargas, Philemon Sirven, Pierre Bost, Mathieu Maurin, Paolo Maiuri, Maxime Wery, Mabel San Roman, Léa Savey, Maxime Touzot, Benjamin Terrier, David Saadoun, Curdin Conrad, Michel Gilliet, Antonin Morillon, Vassili Soumelis
Innate immune cells adjust to microbial and inflammatory stimuli through a process termed environmental plasticity, which links a given individual stimulus to a unique activated state. Here, we report that activation of human plasmacytoid predendritic cells (pDCs) with a single microbial or cytokine stimulus triggers cell diversification into three stable subpopulations (P1-P3). P1-pDCs (PD-L1+CD80-) displayed a plasmacytoid morphology and specialization for type I interferon production. P3-pDCs (PD-L1-CD80+) adopted a dendritic morphology and adaptive immune functions...
December 4, 2017: Nature Immunology
https://www.readbyqxmd.com/read/29199281/emerging-viral-diseases-from-a-vaccinology-perspective-preparing-for-the-next-pandemic
#3
REVIEW
Barney S Graham, Nancy J Sullivan
Emerging infectious diseases will continue to threaten public health and are sustained by global commerce, travel and disruption of ecological systems. Most pandemic threats are caused by viruses from either zoonotic sources or vector-borne sources. Developing better ways to anticipate and manage the ongoing microbial challenge will be critical for achieving the United Nations Sustainable Development Goals and, conversely, each such goal will affect the ability to control infectious diseases. Here we discuss how technology can be applied effectively to better prepare for and respond to new viral diseases with a focus on new paradigms for vaccine development...
December 3, 2017: Nature Immunology
https://www.readbyqxmd.com/read/29180808/engagement-of-mhc-class-i-by-the-inhibitory-receptor-lilrb1-suppresses-macrophages-and-is-a-target-of-cancer-immunotherapy
#4
Amira A Barkal, Kipp Weiskopf, Kevin S Kao, Sydney R Gordon, Benyamin Rosental, Ying Y Yiu, Benson M George, Maxim Markovic, Nan G Ring, Jonathan M Tsai, Kelly M McKenna, Po Yi Ho, Robin Z Cheng, James Y Chen, Layla J Barkal, Aaron M Ring, Irving L Weissman, Roy L Maute
Exciting progress in the field of cancer immunotherapy has renewed the urgency of the need for basic studies of immunoregulation in both adaptive cell lineages and innate cell lineages. Here we found a central role for major histocompatibility complex (MHC) class I in controlling the phagocytic function of macrophages. Our results demonstrated that expression of the common MHC class I component β2-microglobulin (β2M) by cancer cells directly protected them from phagocytosis. We further showed that this protection was mediated by the inhibitory receptor LILRB1, whose expression was upregulated on the surface of macrophages, including tumor-associated macrophages...
November 27, 2017: Nature Immunology
https://www.readbyqxmd.com/read/29180807/viral-unmasking-of-cellular-5s-rrna-pseudogene-transcripts-induces-rig-i-mediated-immunity
#5
Jessica J Chiang, Konstantin M J Sparrer, Michiel van Gent, Charlotte Lässig, Teng Huang, Nikolaus Osterrieder, Karl-Peter Hopfner, Michaela U Gack
The sensor RIG-I detects double-stranded RNA derived from RNA viruses. Although RIG-I is also known to have a role in the antiviral response to DNA viruses, physiological RNA species recognized by RIG-I during infection with a DNA virus are largely unknown. Using next-generation RNA sequencing (RNAseq), we found that host-derived RNAs, most prominently 5S ribosomal RNA pseudogene 141 (RNA5SP141), bound to RIG-I during infection with herpes simplex virus 1 (HSV-1). Infection with HSV-1 induced relocalization of RNA5SP141 from the nucleus to the cytoplasm, and virus-induced shutoff of host protein synthesis downregulated the abundance of RNA5SP141-interacting proteins, which allowed RNA5SP141 to bind RIG-I and induce the expression of type I interferons...
November 27, 2017: Nature Immunology
https://www.readbyqxmd.com/read/29167569/single-cell-analysis-reveals-the-continuum-of-human-lympho-myeloid-progenitor-cells
#6
Dimitris Karamitros, Bilyana Stoilova, Zahra Aboukhalil, Fiona Hamey, Andreas Reinisch, Marina Samitsch, Lynn Quek, Georg Otto, Emmanouela Repapi, Jessica Doondeea, Batchimeg Usukhbayar, Julien Calvo, Stephen Taylor, Nicolas Goardon, Emmanuelle Six, Francoise Pflumio, Catherine Porcher, Ravindra Majeti, Berthold Göttgens, Paresh Vyas
The hierarchy of human hemopoietic progenitor cells that produce lymphoid and granulocytic-monocytic (myeloid) lineages is unclear. Multiple progenitor populations produce lymphoid and myeloid cells, but they remain incompletely characterized. Here we demonstrated that lympho-myeloid progenitor populations in cord blood - lymphoid-primed multi-potential progenitors (LMPPs), granulocyte-macrophage progenitors (GMPs) and multi-lymphoid progenitors (MLPs) - were functionally and transcriptionally distinct and heterogeneous at the clonal level, with progenitors of many different functional potentials present...
November 21, 2017: Nature Immunology
https://www.readbyqxmd.com/read/29083399/oxidative-stress-controls-regulatory-t-cell-apoptosis-and-suppressor-activity-and-pd-l1-blockade-resistance-in-tumor
#7
Tomasz Maj, Wei Wang, Joel Crespo, Hongjuan Zhang, Weimin Wang, Shuang Wei, Lili Zhao, Linda Vatan, Irene Shao, Wojciech Szeliga, Costas Lyssiotis, J Rebecca Liu, Ilona Kryczek, Weiping Zou
Live regulatory T cells (Treg cells) suppress antitumor immunity, but how Treg cells behave in the metabolically abnormal tumor microenvironment remains unknown. Here we show that tumor Treg cells undergo apoptosis, and such apoptotic Treg cells abolish spontaneous and PD-L1-blockade-mediated antitumor T cell immunity. Biochemical and functional analyses show that adenosine, but not typical suppressive factors such as PD-L1, CTLA-4, TGF-β, IL-35, and IL-10, contributes to apoptotic Treg-cell-mediated immunosuppression...
December 2017: Nature Immunology
https://www.readbyqxmd.com/read/29058703/metabolic-shift-induced-by-systemic-activation-of-t-cells-in-pd-1-deficient-mice-perturbs-brain-monoamines-and-emotional-behavior
#8
Michio Miyajima, Baihao Zhang, Yuki Sugiura, Kazuhiro Sonomura, Matteo M Guerrini, Yumi Tsutsui, Mikako Maruya, Alexis Vogelzang, Kenji Chamoto, Kurara Honda, Takatoshi Hikida, Satomi Ito, Hongyan Qin, Rikako Sanuki, Keiichiro Suzuki, Takahisa Furukawa, Yasushi Ishihama, Fumihiko Matsuda, Makoto Suematsu, Tasuku Honjo, Sidonia Fagarasan
T cells reorganize their metabolic profiles after being activated, but the systemic metabolic effect of sustained activation of the immune system has remained unexplored. Here we report that augmented T cell responses in Pdcd1(-/-) mice, which lack the inhibitory receptor PD-1, induced a metabolic serum signature characterized by depletion of amino acids. We found that the depletion of amino acids in serum was due to the accumulation of amino acids in activated Pdcd1(-/-) T cells in the lymph nodes. A systemic decrease in tryptophan and tyrosine led to substantial deficiency in the neurotransmitters serotonin and dopamine in the brain, which resulted in behavioral changes dominated by anxiety-like behavior and exacerbated fear responses...
December 2017: Nature Immunology
https://www.readbyqxmd.com/read/29058702/direction-of-leukocyte-polarization-and-migration-by-the-phosphoinositide-transfer-protein-tipe2
#9
Svetlana A Fayngerts, Zhaojun Wang, Ali Zamani, Honghong Sun, Amanda E Boggs, Thomas P Porturas, Weidong Xie, Mei Lin, Terry Cathopoulis, Jason R Goldsmith, Anastassios Vourekas, Youhai H Chen
The polarization of leukocytes toward chemoattractants is essential for the directed migration (chemotaxis) of leukocytes. How leukocytes acquire polarity after encountering chemical gradients is not well understood. We found here that leukocyte polarity was generated by TIPE2 (TNFAIP8L2), a transfer protein for phosphoinositide second messengers. TIPE2 functioned as a local enhancer of phosphoinositide-dependent signaling and cytoskeleton remodeling, which promoted leading-edge formation. Conversely, TIPE2 acted as an inhibitor of the GTPase Rac, which promoted trailing-edge polarization...
December 2017: Nature Immunology
https://www.readbyqxmd.com/read/29035391/a-gammaherpesvirus-provides-protection-against-allergic-asthma-by-inducing-the-replacement-of-resident-alveolar-macrophages-with-regulatory-monocytes
#10
Bénédicte Machiels, Mickael Dourcy, Xue Xiao, Justine Javaux, Claire Mesnil, Catherine Sabatel, Daniel Desmecht, François Lallemand, Philippe Martinive, Hamida Hammad, Martin Guilliams, Benjamin Dewals, Alain Vanderplasschen, Bart N Lambrecht, Fabrice Bureau, Laurent Gillet
The hygiene hypothesis postulates that the recent increase in allergic diseases such as asthma and hay fever observed in Western countries is linked to reduced exposure to childhood infections. Here we investigated how infection with a gammaherpesvirus affected the subsequent development of allergic asthma. We found that murid herpesvirus 4 (MuHV-4) inhibited the development of house dust mite (HDM)-induced experimental asthma by modulating lung innate immune cells. Specifically, infection with MuHV-4 caused the replacement of resident alveolar macrophages (AMs) by monocytes with regulatory functions...
December 2017: Nature Immunology
https://www.readbyqxmd.com/read/28991267/cytotoxic-and-regulatory-roles-of-mucosal-associated-invariant-t-cells-in-type-1-diabetes
#11
Ophélie Rouxel, Jennifer Da Silva, Lucie Beaudoin, Isabelle Nel, Céline Tard, Lucie Cagninacci, Badr Kiaf, Masaya Oshima, Marc Diedisheim, Marion Salou, Alexandra Corbett, Jamie Rossjohn, James McCluskey, Raphael Scharfmann, Manuela Battaglia, Michel Polak, Olivier Lantz, Jacques Beltrand, Agnès Lehuen
Type 1 diabetes (T1D) is an autoimmune disease that results from the destruction of pancreatic β-cells by the immune system that involves innate and adaptive immune cells. Mucosal-associated invariant T cells (MAIT cells) are innate-like T-cells that recognize derivatives of precursors of bacterial riboflavin presented by the major histocompatibility complex (MHC) class I-related molecule MR1. Since T1D is associated with modification of the gut microbiota, we investigated MAIT cells in this pathology. In patients with T1D and mice of the non-obese diabetic (NOD) strain, we detected alterations in MAIT cells, including increased production of granzyme B, which occurred before the onset of diabetes...
December 2017: Nature Immunology
https://www.readbyqxmd.com/read/28967880/nlrx1-promotes-immediate-irf1-directed-antiviral-responses-by-limiting-dsrna-activated-translational-inhibition-mediated-by-pkr
#12
Hui Feng, Erik M Lenarcic, Daisuke Yamane, Eliane Wauthier, Jinyao Mo, Haitao Guo, David R McGivern, Olga González-López, Ichiro Misumi, Lola M Reid, Jason K Whitmire, Jenny P-Y Ting, Joseph A Duncan, Nathaniel J Moorman, Stanley M Lemon
NLRX1 is unique among the nucleotide-binding-domain and leucine-rich-repeat (NLR) proteins in its mitochondrial localization and ability to negatively regulate antiviral innate immunity dependent on the adaptors MAVS and STING. However, some studies have suggested a positive regulatory role for NLRX1 in inducing antiviral responses. We found that NLRX1 exerted opposing regulatory effects on viral activation of the transcription factors IRF1 and IRF3, which might potentially explain such contradictory results...
December 2017: Nature Immunology
https://www.readbyqxmd.com/read/29144505/feeling-stressed-it-might-be-your-t-cells
#13
Laura Strauss, Nikolaos Patsoukis, Vassiliki A Boussiotis
No abstract text is available yet for this article.
November 16, 2017: Nature Immunology
https://www.readbyqxmd.com/read/29144504/tumor-control
#14
Ioana Visan
No abstract text is available yet for this article.
November 16, 2017: Nature Immunology
https://www.readbyqxmd.com/read/29144503/mait-cells-in-type-1-diabetes-a-good-friend-turned-bad
#15
Lina Petersone, Lucy S K Walker
No abstract text is available yet for this article.
November 16, 2017: Nature Immunology
https://www.readbyqxmd.com/read/29144502/trained-macrophages-support-hygiene-hypothesis
#16
Bérengère de Laval, Michael H Sieweke
No abstract text is available yet for this article.
November 16, 2017: Nature Immunology
https://www.readbyqxmd.com/read/29144501/novel-mechanisms-and-functions-of-complement
#17
REVIEW
George Hajishengallis, Edimara S Reis, Dimitrios C Mastellos, Daniel Ricklin, John D Lambris
Progress at the beginning of the 21st century transformed the perception of complement from that of a blood-based antimicrobial system to that of a global regulator of immunity and tissue homeostasis. More recent years have witnessed remarkable advances in structure-function insights and understanding of the mechanisms and locations of complement activation, which have added new layers of complexity to the biology of complement. This complexity is readily reflected by the multifaceted and contextual involvement of complement-driven networks in a wide range of inflammatory and neurodegenerative disorders and cancer...
November 16, 2017: Nature Immunology
https://www.readbyqxmd.com/read/29144500/interferons-control-fungus
#18
Zoltan Fehervari
No abstract text is available yet for this article.
November 16, 2017: Nature Immunology
https://www.readbyqxmd.com/read/29144499/epithelial-stem-cell-memory
#19
Ioana Visan
No abstract text is available yet for this article.
November 16, 2017: Nature Immunology
https://www.readbyqxmd.com/read/29144498/corrigendum-the-rna-helicase-ddx46-inhibits-innate-immunity-by-entrapping-m-6-a-demethylated-antiviral-transcripts-in-the-nucleus
#20
Qingliang Zheng, Jin Hou, Ye Zhou, Zhenyang Li, Xuetao Cao
This corrects the article DOI: 10.1038/ni.3830.
November 16, 2017: Nature Immunology
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