Volume 6.27 | Jul 25

Immune Regulation News 6.27 July 25, 2014
Immune Regulation News
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Immune Cell’s Role in Intestinal Movement May Lead to Better Understanding of IBS
Learning the role of immune-system cells in healthy digestive tracts and how they interact with neighboring nerve cells may lead to new treatments for irritable bowel syndrome (IBS). Researchers report the role of macrophages in regulating the contractions of the colon to push digested material through the digestive tract. [Press release from Penn State College of Medicine discussing online publication in Cell]
Press Release | Abstract | Graphical Abstract
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PUBLICATIONS (Ranked by impact factor of the journal)
The Adaptor TRAF3 Restrains the Lineage Determination of Thymic Regulatory T Cells by Modulating Signaling via the Receptor for IL-2
Researchers identified a role for TRAF3 as an important negative regulator of signaling via the interleukin 2 (IL-2) receptor that affects the development of regulatory T cells. [Nat Immunol] Abstract

Type-I Interferon Signaling Through ISGF3 Complex Is Required for Sustained Rip3 Activation and Necroptosis in Macrophages
Scientists evaluated the mechanisms that lead to the induction of necrotic cell death in macrophages. They demonstrate that IFN-β-induced necroptosis of macrophages proceeds through tonic IFN-stimulated gene factor 3 (ISGF3) signaling, which leads to persistent expression of STAT1, STAT2, and IFN-regulatory factor 9.
[Proc Natl Acad Sci USA]

The Development of Autoimmune Features in Aging Mice Is Closely Associated with Alterations of the Peripheral CD4+ T-Cell Compartment
Some signs of potential autoimmunity, such as the appearance of anti-nuclear antibodies become prevalent with age. Scientists investigated whether the same holds true for inbred strains of mice and report that a disturbed T-cell homeostasis may drive the onset of some autoimmune features. [Eur J Immunol] Abstract

Innate IFN-γ Promotes Development of Experimental Autoimmune Encephalomyelitis: A Role for NK Cells and M1 Macrophages
The role of IFN-γ in the pathogenesis of autoimmune diseases is controversial. Although Th1 cells can induce experimental autoimmune encephalomyelitis (EAE), IFN-γ can suppress Th17 cells that are pathogenic in EAE. Investigators show that NK cells provide an early source of IFN-γ during development of EAE. [Eur J Immunol] Abstract

Insulin-Like Growth Factor-1 Induces Regulatory T Cell-Mediated Suppression of Allergic Contact Dermatitis in Mice
Scientists demonstrate that ectopic expression of insulin-like growth factor-1 in mouse skin suppresses allergic contact dermatitis in a regulatory T (Treg) cell-specific manner, increasing the number of Foxp3+ Treg cells in the affected area and stimulating lymphocyte production of the anti-inflammatory cytokine interleukin 10.
[Dis Model Mech]
Full Article

Members of the Novel UBASH3/STS/TULA Family of Cellular Regulators Suppress T-Cell-Driven Inflammatory Responses In Vivo
Investigators examined the immune responses in trinitrobenzene sulfonic acid-induced colitis in a mouse model of human inflammatory bowel disease, in which T cells have a crucial role in the development of a pathological inflammatory condition. [Immunol Cell Biol] Abstract

Specific Deletion of LDL Receptor-Related Protein on Macrophages Has Skewed In Vivo Effects on Cytokine Production by Invariant Natural Killer T Cells
Scientists investigated whether a structurally related receptor to the low density lipoprotein (LDL) receptor, known as LDL receptor-related protein (LRP), plays a role in invariant natural killer T (iNKT) cell activation. They also show that CD169+ macrophages (MΦs), known to present antigen to iNKT cells, exhibited increased expression of LRP compared to CD169 MΦs. [PLoS One] Full Article

Soluble MHC-II Proteins Promote Suppressive Activity in CD4+ T-Cells
Scientists report evidence for the role of soluble MHC-II proteins in immune response suppression and maintenance of tolerance, revealing novel regulatory mechanisms for immune system manipulation. [Immunology] Abstract

HMGB1-Mediated Early Loss of Transplanted Islets Is Prevented by Anti-IL-6R Antibody in Mice
The effect of anti-interleukin-6 receptor (IL-6R) antibody on amelioration of hyperglycemia in streptozocin-induced diabetic mice receiving 200 islets into the liver from a single donor was evaluated in association with high-mobility group box 1 (HMBG1)-stimulated interferon-γ production of hepatic mononuclear cells. [Pancreas] Abstract

CASP Is Involved in Migration and IFN-γ Secretion in Natural Killer Cells
Cytohesin associated scaffolding protein (CASP) is a highly expressed lymphocyte adaptor protein that forms complexes with vesicles and sorting proteins including SNX27 and Cytohesin-1. Investigators show that by using stably integrated shRNA, CASP has a direct role in the secretion of IFN-γ, and NK cell motility and ability to kill tumor cells. [Biochem Biophys Res Commun] Abstract

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A New System for High-Throughput Cell Isolation Directly from Whole Blood
Type I and Type II Fc Receptors Regulate Innate and Adaptive Immunity
The authors discuss the diverse downstream proinflammatory, anti-inflammatory and immunomodulatory consequences of the engagement of type I and type II Fc receptors in the context of infectious, autoimmune, and neoplastic disorders. [Nat Immunol] Abstract

Origin and Functions of Tissue Macrophages
The authors define the tools used for identifying the complex origin of tissue macrophages and discuss the relative contributions of tissue niche versus ontological origin to the regulation of macrophage functions during steady state and inflammation. [Immunity] Abstract

Visit our reviews page to see a complete list of reviews in the immune regulation research field.
Advaxis and MedImmune Partner on Immuno-Oncology Combination Clinical Trial
Advaxis, Inc. has entered into a clinical trial collaboration with MedImmune. The Phase I/II immunotherapy study will evaluate the safety and efficacy of MedImmune’s investigational anti-PD-L1 immune checkpoint inhibitor, MEDI4736, in combination with Advaxis’ lead cancer immunotherapy vaccine, ADXS-HPV, as a treatment for patients with advanced, recurrent or refractory human papillomavirus (HPV)-associated cervical cancer and HPV-associated head and neck cancer. [Advaxis, Inc.] Press Release

Inovio Pharmaceuticals HPV Immunotherapy Achieves Primary Efficacy Endpoint in Randomized Phase II Cervical Dysplasia Trial
Inovio Pharmaceuticals, Inc. announced successful results from its randomized, double-blind, placebo-controlled phase II trial of VGX-3100 in women with biopsy-proven cervical intraepithelial neoplasia 2/3 (CIN2/3) associated with human papillomavirus (HPV) types 16 or 18. [Inovio Pharmaceuticals, Inc.] Press Release

Bristol-Myers Squibb and Ono Pharmaceutical Co., Ltd. Announce Strategic Immuno-Oncology Collaboration in Japan, South Korea and Taiwan
Bristol-Myers Squibb Company and Ono Pharmaceutical Co., Ltd. have signed a strategic collaboration agreement to jointly develop and commercialize multiple immunotherapies as single agents and combination regimens to help address the unmet medical needs of patients with cancer in Japan, South Korea and Taiwan. [Bristol-Myers Squibb] Press Release

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NEW 44th Annual Meeting German Society for Immunology
September 17-20, 2014
Bonn, Germany

Visit our events page to see a complete list of events in the immune regulation community.
NEW Postdoctoral Research Scientist – Virology (Cardiff University)

Product Marketing Manager (Cesca Therapeutics)

Postdoctoral Position – Human Heart Transplantation Immunology (Columbia University)

Postdoctoral Fellow – Immune Mechanisms in Diabetes (Joslin Diabetes Center/Harvard Medical School)

Principal Investigator Positions – Systems & Synthetic Biology (Institute for Research in Immunology and Cancer)

Postdoctoral Positions – Inflammation in the Development of Chronic and Highly Prevalent Diseases (University of Pennsylvania and Children’s Hospital of Philadelphia)

Postdoctoral Scientist – Immune Focused In Vitro Analytics (Celentyx Ltd.)

Postdoctoral Position – Signaling and Gene Expression in Immune Cells (Universitat Pompeu Fabra)

Scientist – Recombinant Molecules and Antibodies (STEMCELL Technologies Inc.)

Scientist – Pluripotent Stem Cell Media Development, High Throughput Screening (STEMCELL Technologies Inc.)

Scientist – Cell Culture Support Products (STEMCELL Technologies Inc.)

Scientist – Immunology/Cell Separation (STEMCELL Technologies Inc.)

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