Table of contents


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Editorial

Borrowing words, or claiming them? p225

doi:10.1038/ni0309-225

Journals are taking steps to stem of the practice of plagiarism.


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Commentary

Revolving doors: from academia to industry and back again pp227 - 229

Ross M Kedl

doi:10.1038/ni0309-227

Is it possible to return from the industrial sector back to academia? Although academic scientists have traditionally perceived this to be akin to winning the Nobel prize, the personal experience of Ross Kedl suggests that the reality is something quite different altogether.


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News and Views

Developing NKT cells need their calcium pp231 - 233

Dale I Godfrey, Sanda Stankovic & Alan G Baxter

doi:10.1038/ni0309-231

Although the development of natural killer T cells is a T cell antigen receptor–dependent process, the signaling pathways involved are poorly defined. New data demonstrate that the calcineurin–transcription factor NFAT pathway exerts a critical influence on this process by controlling the transcription factor Egr2.

See also: Article by Lazarevic et al.


Intrinsic mRNA stability helps compose the inflammatory symphony pp233 - 234

Paul Anderson

doi:10.1038/ni0309-233

The intrinsic stability of mRNA is important in the regulation of gene expression. New data show that the intrinsic stability of tumor necrosis factor–induced mRNA transcripts strongly influences the coordinated expression of genes that promote distinct phases of the inflammatory response.

See also: Article by Hao & Baltimore


Deciding the decider: Mef2c in hematopoiesis pp235 - 236

Rachel M Gerstein

doi:10.1038/ni0309-235

Factors influencing progenitor cell 'choice' between lymphoid and myeloid lineage fates are incompletely understood. New work implicates the transcription factor Mef2c as one component needed to promote lymphoid and suppress myeloid lineage differentiation.

See also: Article by Stehling-Sun et al.


Don't leave home without it: the IL-23 visa to TH-17 cells pp236 - 238

Yeonseok Chung & Chen Dong

doi:10.1038/ni0309-236

Interleukin 23 is tightly associated with TH-17 cell–mediated inflammation and autoimmunity. A new study of mice deficient in its receptor shows that interleukin 23 is required for the terminal differentiation of TH-17 cells in vivo.

See also: Article by McGeachy et al.


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Research Highlights

Research Highlights p239

doi:10.1038/ni0309-239


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Review

The inflammasome: a caspase-1-activation platform that regulates immune responses and disease pathogenesis pp241 - 247

Luigi Franchi, Tatjana Eigenbrod, Raúl Muñoz-Planillo & Gabriel Nuñez

doi:10.1038/ni.1703


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Articles

Neuroimmune regulation of antimicrobial peptide expression by a noncanonical TGF-beta signaling pathway in Caenorhabditis elegans epidermis pp249 - 256

Olivier Zugasti & Jonathan J Ewbank

doi:10.1038/ni.1700

In worms, antimicrobial peptides contribute to the defense against pathogen infection. Ewbank and colleagues describe a noncanonical signaling pathway required for the induction of one particular family of antimicrobial peptides.


The peptidyl-prolyl isomerase Pin1 facilitates cytokine-induced survival of eosinophils by suppressing Bax activation pp257 - 265

Zhong-Jian Shen, Stephane Esnault, Anna Schinzel, Christoph Borner & James S Malter

doi:10.1038/ni.1697

The mechanism by which cytokines suppress Bax activation and eosinophil apoptosis are not well understood. Malter and colleagues pinpoint a function for the peptidyl-prolyl isomerase Pin1 in mediating cytokine-induced suppression of Bax activation.


An orthogonal proteomic-genomic screen identifies AIM2 as a cytoplasmic DNA sensor for the inflammasome pp266 - 272

Tilmann Bürckstümmer, Christoph Baumann, Stephan Blüml, Evelyn Dixit, Gerhard Dürnberger, Hannah Jahn, Melanie Planyavsky, Martin Bilban, Jacques Colinge, Keiryn L Bennett & Giulio Superti-Furga

doi:10.1038/ni.1702

The identity of the cytoplasmic DNA receptor that activates the inflammasome has remained elusive. Superti-Furga and colleagues use a proteomics screen to identity AIM2 as the DNA sensor for the inflammasome.


Cholesterol depletion associated with Leishmania major infection alters macrophage CD40 signalosome composition and effector function pp273 - 280

Abdur Rub, Ranadhir Dey, Meenakshi Jadhav, Rohan Kamat, Santhosh Chakkaramakkil, Subrata Majumdar, Robin Mukhopadhyaya & Bhaskar Saha

doi:10.1038/ni.1705

CD40 signals induce the production of interleukin 12 and interleukin 10 in uninfected and Leishmania major–infected macrophages, respectively. Saha and colleagues suggest that L. major–induced cholesterol depletion facilitates the assembly of distinct CD40 signalosomes.


The stability of mRNA influences the temporal order of the induction of genes encoding inflammatory molecules pp281 - 288

Shengli Hao & David Baltimore

doi:10.1038/ni.1699

Genes induced by inflammatory stimuli are expressed in a precise temporal order. Baltimore and colleagues show that mRNA stability exerts strong influence over the kinetics of the induction of genes encoding inflammatory molecules.

See also: News and Views by Anderson


Regulation of lymphoid versus myeloid fate 'choice' by the transcription factor Mef2c pp289 - 296

Sandra Stehling-Sun, Jessica Dade, Stephen L Nutt, Rodney P DeKoter & Fernando D Camargo

doi:10.1038/ni.1694

Myeloid and lymphoid cells are derived from the same multipotent progenitor cell. Camargo and colleagues show that the transcription factor Mef2c restricts myeloid differentiation to favor production of B, T and natural killer cells.

See also: News and Views by Gerstein


Influence of CRACC, a SLAM family receptor coupled to the adaptor EAT-2, on natural killer cell function pp297 - 305

Mario-Ernesto Cruz-Munoz, Zhongjun Dong, Xiaochu Shi, Shaohua Zhang & André Veillette

doi:10.1038/ni.1693

The biological function of the SLAM family receptor CRACC is not known. Using a CRACC-deficient mouse, Veillette and colleagues show that CRACC can activate or inhibit natural killer cells, depending on the availability of the adaptor EAT-2.


The gene encoding early growth response 2, a target of the transcription factor NFAT, is required for the development and maturation of natural killer T cells pp306 - 313

Vanja Lazarevic, Alfred J Zullo, Michelle N Schweitzer, Tracy L Staton, Elena M Gallo, Gerald R Crabtree & Laurie H Glimcher

doi:10.1038/ni.1696

The signals that regulate the development of natural killer T cells are not completely understood. Glimcher and colleagues document an essential function for the transcription factor Egr2 in the maturation of these cells.

See also: News and Views by Godfrey et al.


The interleukin 23 receptor is essential for the terminal differentiation of interleukin 17–producing effector T helper cells in vivo pp314 - 324

Mandy J McGeachy, Yi Chen, Cristina M Tato, Arian Laurence, Barbara Joyce-Shaikh, Wendy M Blumenschein, Terrill K McClanahan, John J O'Shea & Daniel J Cua

doi:10.1038/ni.1698

Whether interleukin 23 (IL-23) affects the differentiation of or simply the maintenance of IL-17–producing helper T cells (TH-17 cells) is unclear. Cua and colleagues show that IL-23 is required for the full differentiation and proliferation of effector TH-17 cells in vivo.

See also: News and Views by Chung & Dong


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