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| Open AccessPD-1-cis IL-2R agonism yields better effectors from stem-like CD8+ T cells
Binding of the PD1-IL2v immunocytokine to PD-1 and IL-2Rβγ on the same cell leads to an alternative differentiation of stem-like CD8+ T cells into better effectors rather than exhausted T cells in models of both chronic infection and cancer.
- Laura Codarri Deak
- , Valeria Nicolini
- & Pablo Umaña
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Article |
PD-1 combination therapy with IL-2 modifies CD8+ T cell exhaustion program
PD-1+TCF1+ stem-like CD8+ T cells—precursors of exhausted CD8+ T cells—are not fate-locked into the exhaustion program; their differentiation trajectory can be changed by IL-2 signals.
- Masao Hashimoto
- , Koichi Araki
- & Rafi Ahmed
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Article
| Open AccessOrganizing structural principles of the IL-17 ligand–receptor axis
Cryo-electron microscopy structures of IL-25–IL-17RB–IL-17RA and IL-17A–IL-17RC–IL-17RA complexes show a tip-to-tip architecture, which is a key organizing principle of the IL-17 receptor family.
- Steven C. Wilson
- , Nathanael A. Caveney
- & K. Christopher Garcia
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Article
| Open AccessPotentiating adoptive cell therapy using synthetic IL-9 receptors
Synthetic chimeric orthogonal IL-2 receptors that incorporate the intracellular domain of receptors for other γ-chain cytokines such as IL-9 can reroute orthogonal signalling and alter the phenotype of T cells to improve anti-tumour responses.
- Anusha Kalbasi
- , Mikko Siurala
- & K. Christopher Garcia
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Article |
Obesity alters pathology and treatment response in inflammatory disease
Obesity changes the characteristics of the immune response induced in a mouse model of atopic dermatitis, suggesting therapies that could be used against immune dysregulation in obesity.
- Sagar P. Bapat
- , Caroline Whitty
- & Alexander Marson
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Article |
IL-27 signalling promotes adipocyte thermogenesis and energy expenditure
Therapeutic administration of IL-27—serum levels of which are decreased in individuals with obesity—improves thermogenesis, protects against diet-induced obesity and ameliorates insulin resistance in mouse models of obesity.
- Qian Wang
- , Dehai Li
- & Zhinan Yin
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Article |
Astrocytic interleukin-3 programs microglia and limits Alzheimer’s disease
Interleukin-3 signalling from astrocytes to microglia readies microglia to defend against Alzheimer’s disease.
- Cameron S. McAlpine
- , Joseph Park
- & Filip K. Swirski
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Article |
IL-18BP is a secreted immune checkpoint and barrier to IL-18 immunotherapy
An engineered version of IL-18 that is resistant to binding by the soluble decoy receptor IL-18BP shows strong anti-tumour activity in mouse models of cancer.
- Ting Zhou
- , William Damsky
- & Aaron M. Ring
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Article |
Robust and persistent reactivation of SIV and HIV by N-803 and depletion of CD8+ cells
The interleukin-15 superagonist N-803, combined with the depletion of CD8+ lymphocytes, induced a robust and persistent reactivation of the virus in vivo in both antiretroviral-therapy-treated SIV-infected macaques and HIV-infected humanized mice.
- Julia Bergild McBrien
- , Maud Mavigner
- & Guido Silvestri
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Article |
De novo design of potent and selective mimics of IL-2 and IL-15
A hyper-stable de novo protein mimic of interleukin-2 computationally designed to not interact with a regulatory T-cell specific receptor subunit has improved therapeutic activity in mouse models of melanoma and colon cancer.
- Daniel-Adriano Silva
- , Shawn Yu
- & David Baker
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Letter |
Reversing SKI–SMAD4-mediated suppression is essential for TH17 cell differentiation
TGFβ signalling regulates T helper 17 (TH17) cell differentiation by reversing SKI–SMAD4-mediated suppression of RORγt, revealing a potential therapeutic target for treating TH17-related diseases.
- Song Zhang
- , Motoki Takaku
- & Yisong Y. Wan
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Article |
IL-17 is a neuromodulator of Caenorhabditis elegans sensory responses
Interleukin-17 functions as a neuromodulator in the roundworm Caenorhabditis elegans, acting directly on RMG hub interneurons to alter their response properties and contribution to behaviour.
- Changchun Chen
- , Eisuke Itakura
- & Mario de Bono
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Letter |
Tuft-cell-derived IL-25 regulates an intestinal ILC2–epithelial response circuit
Epithelial tuft cells are shown to be the source of intestinal interleukin (IL)-25 that is required for activation of type 2 innate lymphoid cells (ILC2s), ILC2-regulated tuft and goblet cell expansion, and control of parasite infection.
- Jakob von Moltke
- , Ming Ji
- & Richard M. Locksley
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Letter |
Interleukin-22 promotes intestinal-stem-cell-mediated epithelial regeneration
Innate lymphoid cells increase the growth of mouse intestinal organoids via IL-22 production; recombinant IL-22 promotes growth of both mouse and human organoids, and promotes mouse intestinal stem cell (ISC) expansion and ISC-driven organoid growth via a STAT3-dependent pathway and independently of Paneth cells; IL-22 treatment in vivo enhances the recovery of ISCs from intestinal injury.
- Caroline A. Lindemans
- , Marco Calafiore
- & Alan M. Hanash
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Article |
Immune homeostasis enforced by co-localized effector and regulatory T cells
Autoantigen-presenting dendritic cells are shown to interact with both effector and regulatory T cells, and effector-produced IL-2 activates the transcription factor STAT5 in regulatory T cells, which in turn upregulates suppressive molecules and prevents autoimmunity.
- Zhiduo Liu
- , Michael Y. Gerner
- & Ronald N. Germain
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Letter |
Type 2 innate lymphoid cells control eosinophil homeostasis
Eosinophil recruitment to the lung and intestine is regulated by type-2-innate-lymphoid-cell-derived IL-5 and IL-13; IL-5 is shown to be induced by the neuropeptide vasoactive intestinal peptide, which is known to coordinate pancreatic secretion with smooth muscle relaxation in response to feeding.
- Jesse C. Nussbaum
- , Steven J. Van Dyken
- & Richard M. Locksley
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Letter |
Interleukin receptor activates a MYD88–ARNO–ARF6 cascade to disrupt vascular stability
Interleukin-1β-induced disruption to endothelial stability and vascular permeability in a human in vitro model is shown to be independent of downstream nuclear factor-κB activation, relying instead on a MYD88–ARNO–ARF6 signalling cascade; inhibiting proteins involved in this pathway is shown to improve outcomes in animal models of inflammatory disease.
- Weiquan Zhu
- , Nyall R. London
- & Dean Y. Li
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Letter |
IL-22BP is regulated by the inflammasome and modulates tumorigenesis in the intestine
IL-22 is one of the factors that, although important for wound healing, also promote tumorigenesis; the regulation of IL-22BP, the IL-22 binding protein, via the NLRP3 and NLRP6 inflammasomes provides an unanticipated mechanism, controlling IL-22 and thereby the development of colon cancer.
- Samuel Huber
- , Nicola Gagliani
- & Richard A. Flavell
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Outlook |
Asthma: Breathing new life into research
Asthma was once thought to be a uniform disease triggered by one type of immune cell. Researchers are now revealing the complexity of the condition and hope to hasten new drugs for forms unresponsive to steroids.
- Amy Maxmen
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Research Highlights |
Immunology: Keeping the peace
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Letter |
Innate lymphoid cells drive interleukin-23-dependent innate intestinal pathology
The cytokine interleukin (IL)-23 has inflammatory effects on innate immune cells and can drive colitis, but the cellular and molecular pathways involved are poorly characterized. Here it is shown that bacterial-driven innate colitis involves a previously unknown population of IL-23-responsive innate leukocytes that produce IL-17 and interferon-γ. These cells may represent a target in inflammatory bowel disease.
- Sofia Buonocore
- , Philip P. Ahern
- & Fiona Powrie
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Letter |
IL25 elicits a multipotent progenitor cell population that promotes TH2 cytokine responses
Several non-haematopoietic-cell-derived cytokines, including interleukin (IL)25, have been implicated in inducing T helper 2 (TH2) cell-dependent inflammation, but their precise role has been unclear. Here, IL25 is shown to promote the accumulation of multipotent progenitor cells in gut-associated lymphoid tissue. These cells can give rise to macrophage or granulocyte lineages that promote the differentiation of TH2 cells and contribute to protective immunity against helminth infections.
- Steven A. Saenz
- , Mark C. Siracusa
- & David Artis
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Letter |
Nuocytes represent a new innate effector leukocyte that mediates type-2 immunity
Here, a new type of innate effector leukocyte cell — the nuocyte — is described and characterized. It is shown that interleukin (IL)25 and IL33 drive the expansion of the nuocyte population, that these cells secrete IL13, and that they are required for protection against helminth infection.
- Daniel R. Neill
- , See Heng Wong
- & Andrew N. J. McKenzie
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News & Views |
The expanding TH2 universe
TH2 growth factors, which are involved in allergy and in defence against parasites, are produced by many different cell types, including a newly identified population found in fat-associated lymph clusters in the abdomen.
- Warren Strober