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| Open AccessElevated genetic risk for multiple sclerosis emerged in steppe pastoralist populations
Analysis of a large ancient genome dataset shows that genetic risk for multiple sclerosis rose in steppe pastoralists, providing insight into how genetic ancestry from the Neolithic and Bronze Age has shaped modern immune responses.
- William Barrie
- , Yaoling Yang
- & Eske Willerslev
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Article |
RNA editing underlies genetic risk of common inflammatory diseases
cis-RNA editing quantitative trait loci, which are associated with immunogenic double-stranded RNAs, underlie genome-wide association study variants in common autoimmune and inflammatory diseases.
- Qin Li
- , Michael J. Gloudemans
- & Jin Billy Li
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Article
| Open AccessTwin study reveals non-heritable immune perturbations in multiple sclerosis
In monozygotic twins discordant for multiple sclerosis, the influence of genetic predisposition and environmental factors is determined using matched-pair analyses.
- Florian Ingelfinger
- , Lisa Ann Gerdes
- & Burkhard Becher
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Article |
An autoimmune stem-like CD8 T cell population drives type 1 diabetes
A population of β-cell-specific autoimmune stem-like CD8 T cells initiates and sustains β-cell destruction and disease in a mouse model of type 1 diabetes.
- Sofia V. Gearty
- , Friederike Dündar
- & Andrea Schietinger
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Article |
FLT3 stop mutation increases FLT3 ligand level and risk of autoimmune thyroid disease
A predicted loss-of-function germline mutation in FLT3 causes a reduction in full-length FLT3, with a compensatory increase in the levels of FLT3 ligand, leading to increased risk of autoimmune thyroid disease.
- Saedis Saevarsdottir
- , Thorunn A. Olafsdottir
- & Kari Stefansson
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Article |
Complement genes contribute sex-biased vulnerability in diverse disorders
Sexual dimorphism in genetic vulnerability to schizophrenia, systemic lupus erythematosus and Sjögren’s syndrome is linked to differential protein abundance from alleles of complement component 4.
- Nolan Kamitaki
- , Aswin Sekar
- & Steven A. McCarroll
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Article |
IL-15, gluten and HLA-DQ8 drive tissue destruction in coeliac disease
An HLA- and gluten-dependent mouse model of coeliac disease with villous atrophy provides evidence for the cooperative role of IL-15 and gluten-specific CD4+ T cells in licensing the full activation of cytotoxic T cells that are necessary for inducing epithelial damage.
- Valérie Abadie
- , Sangman M. Kim
- & Bana Jabri
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Letter |
Locally renewing resident synovial macrophages provide a protective barrier for the joint
Analysis of macrophage subsets within joints reveals a population of CX3CR1+ tissue-resident macrophages that form a tight-junction-mediated barrier at the synovial lining, protecting the joint from the invasion of inflammatory cells.
- Stephan Culemann
- , Anika Grüneboom
- & Gerhard Krönke
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Letter
| Open AccessThe human gut microbiome in early-onset type 1 diabetes from the TEDDY study
An analysis of more than 10,000 metagenomes from the TEDDY study provides a detailed functional profile of the gut microbiome in relation to islet autoimmunity, and supports the protective effects of short-chain fatty acids in early-onset type 1 diabetes.
- Tommi Vatanen
- , Eric A. Franzosa
- & Ramnik J. Xavier
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Letter |
Pancreatic islets communicate with lymphoid tissues via exocytosis of insulin peptides
A sensitive T cell tracking assay reveals immunogenic activity of specific catabolized peptide fragments of insulin and their effects on T cell activity in lymph nodes, highlighting communication between pancreatic islets and lymphoid tissue.
- Xiaoxiao Wan
- , Bernd H. Zinselmeyer
- & Emil R. Unanue
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Article |
Salt-responsive gut commensal modulates TH17 axis and disease
High salt intake changed the gut microbiome and increased TH17 cell numbers in mice, and reduced intestinal survival of Lactobacillus species, increased the number of TH17 cells and increased blood pressure in humans.
- Nicola Wilck
- , Mariana G. Matus
- & Dominik N. Müller
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Article |
Fine-mapping inflammatory bowel disease loci to single-variant resolution
Results of fine-mapping 94 inflammatory bowel disease loci using high-density genotyping in 67,852 individuals and several new fine-mapping methods.
- Hailiang Huang
- , Ming Fang
- & Jeffrey C. Barrett
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Letter |
Pathologically expanded peripheral T helper cell subset drives B cells in rheumatoid arthritis
The authors identify in patients with rheumatoid arthritis a pathogenic subset of CD4+ T cells that augments B cell responses within inflamed tissues.
- Deepak A. Rao
- , Michael F. Gurish
- & Michael B. Brenner
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Article |
Expanding antigen-specific regulatory networks to treat autoimmunity
Nanoparticles coated with autoantigenic peptides bound to MHC class II molecules suppress established autoimmune disease by inducing antigen-specific TR1-like regulatory T cells in mouse and humanized mouse models.
- Xavier Clemente-Casares
- , Jesus Blanco
- & Pere Santamaria
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Letter |
Clinical improvement in psoriasis with specific targeting of interleukin-23
A proof-of-concept phase I clinical trial demonstrates that targeting interleukin (IL)-23 with an antibody that binds to the p19 subunit leads to clinical improvement of disease in patients with moderate to severe psoriasis.
- Tamara Kopp
- , Elisabeth Riedl
- & Sauzanne Khalilieh
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Letter |
Super-enhancers delineate disease-associated regulatory nodes in T cells
A study of the super-enhancer landscape in three mouse T-helper lymphocyte subsets identifies nodes that have key roles in cell identity, with the locus encoding Bach2, a key negative regulator of effector differentiation, emerging as the most prominent T-cell super-enhancer.
- Golnaz Vahedi
- , Yuka Kanno
- & John J. O’Shea
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Letter |
Integrin-modulating therapy prevents fibrosis and autoimmunity in mouse models of scleroderma
Failure of integrin-mediated cell-matrix attachment is sufficient to initiate dermal fibrosis and autoimmunity in mouse models of scleroderma; integrin-modulating therapies prevent the recruitment and activation of plasmacytoid dendritic cells that appear central to immunological dysregulation and maintenance of the pro-fibrotic synthetic programme.
- Elizabeth E. Gerber
- , Elena M. Gallo
- & Harry C. Dietz
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Letter |
Negligible impact of rare autoimmune-locus coding-region variants on missing heritability
A search for variants in coding exons of 25 genome-wide association study risk genes in a large cohort of autoimmune patients finds that rare coding-region variants at known loci have a negligible role in common autoimmune disease susceptibility, arguing against the previously proposed rare-variant synthetic genome-wide association hypothesis.
- Karen A. Hunt
- , Vanisha Mistry
- & David A. van Heel
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Outlook |
Psoriasis uncovered
Science is finally getting to grips with this enigmatic autoimmune disease.
- James Mitchell Crow
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Outlook |
Therapeutics: Silencing psoriasis
The latest drugs hold fantastic promise for people with severe psoriasis. But where are the treatment options for the far larger number with less serious cases?
- James Mitchell Crow
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Outlook |
Psychodermatology: An emotional response
As the link between stress and psoriasis flare-ups becomes clearer, it seems the most vulnerable patients require a new type of treatment.
- Sarah DeWeerdt
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Outlook |
Q&A: Under their skin
Psoriasis can have a profound impact on patients' emotional and social lives. Christopher Griffiths, a dermatologist at the University of Manchester in the United Kingdom, discusses the disease's psychological fallout and its links with stress.
- Christopher Griffiths
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Outlook |
Perspective: Don't be superficial
Severe psoriasis carries cardiovascular risks. Dermatologists should consider more than just patients' outer layers, argues Henning Boehncke.
- Wolf-Henning Boehncke
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Outlook |
Genetics: Deep exploration
Recent discoveries are redefining the role of the immune system in psoriasis, and may help to unravel the mystery of the disease's origins.
- Ken Garber
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Outlook |
Microbiome: The surface brigade
Our skin is home to thousands of species of bacteria — and when these microscopic societies are disrupted, skin infections can arise.
- Bijal Trivedi
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Outlook |
Immunology: A many layered thing
No mere passive barrier, the skin is being revealed to be an active part of the immune system. Researchers are now starting to understand its role in driving psoriasis.
- Claire Ainsworth
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Comment |
The worm returns
Joel V. Weinstock explains why several clinical trials are deliberately infecting people with helminths to treat autoimmune diseases.
- Joel V. Weinstock
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Letter |
Regulatory B cells control T-cell autoimmunity through IL-21-dependent cognate interactions
IL-21- and CD40-dependent cognate interactions with T cells are identified as key drivers for the generation of IL-10-producing regulatory B cells, which can protect against autoimmune disease.
- Ayumi Yoshizaki
- , Tomomitsu Miyagaki
- & Thomas F. Tedder
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News & Views |
Licensed in the lungs
In multiple sclerosis, the body's own immune cells attack the brain and spinal cord. But how they get there from peripheral tissues has been a mystery. Surprisingly, the lungs might be a key transit point. See Letter p.675
- Richard M. Ransohoff
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Letter |
T cells become licensed in the lung to enter the central nervous system
A Lewis rat model of experimental autoimmune encephalomyelitis is used to show that on their way to the CNS, encephalitogenic T-cell blasts are temporarily resident in the lung, where they reprogram their gene-expression profile and functional properties to enable them to transgress the blood–brain barrier into the CNS.
- Francesca Odoardi
- , Christopher Sie
- & Alexander Flügel
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News |
Genome study highlights risk factor for multiple sclerosis
Discovery of genetic variant could help to improve clinical trials of potential therapies.
- Ewen Callaway
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Letter |
TNF receptor 1 genetic risk mirrors outcome of anti-TNF therapy in multiple sclerosis
Genome-wide association studies in combination with functional analyses identify a genetic variant that explains why anti-tumour necrosis factor therapy, used in several autoimmune diseases, exacerbates multiple sclerosis.
- Adam P. Gregory
- , Calliope A. Dendrou
- & Lars Fugger
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Outlook |
Perspective: Rethink the immune connection
Recent research suggests that the fight against type 1 diabetes is focusing too narrowly on the adaptive immune system, says Carla Greenbaum.
- Carla Greenbaum
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Outlook |
Immunomodulators: Cell savers
In type 1 diabetes, the immune system goes haywire and depletes insulin-producing cells. Drugs that interfere with this process could one day reverse the disease's course.
- Sarah DeWeerdt
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Outlook |
Perspective: Let the sunshine in!
Population and genetic studies are confirming the link between multiple sclerosis and vitamin D, says Richard Ransohoff.
- Richard M. Ransohoff
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Outlook |
Progressive multiple sclerosis: The treatment gap
Most new treatments for multiple sclerosis are for patients with the relapsing–remitting form of the disease. Those with the more advanced, progressive type are being left behind.
- Courtney Humphries
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Outlook |
Aetiology: The X factor
Researchers have plenty of theories about what might cause multiple sclerosis. But for now, the factor that triggers the disease remains elusive.
- Lauren Gravitz
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Outlook |
Genomics: A complex code
More than 100 variations in the genome have been linked to multiple sclerosis. Researchers are now trying to find the overlap with other auto-immune conditions, and understand how environmental factors interact with genes to trigger disease.
- Virginia Hughes
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Outlook |
Perspective: Deconstructing a disease
A slew of new data suggests that it is time to rethink and reclassify autoimmune disease, says David A. Hafler.
- David A. Hafler
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Outlook |
Alternative therapies: Desperate measures
Worms? Stents? Bee stings? Patients with multiple sclerosis who exhaust conventional therapies are turning in desperation to unproven approaches.
- Jennifer Berglund
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Outlook |
Stem cells: Don't believe the hype
Researchers are still a long way from using stem cells to halt the decline caused by multiple sclerosis and to restore patients' health. But they are following some promising trails.
- Michael Eisenstein
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Outlook |
Drugs: An injection of hope
For decades, drugs have barely managed to slow the progression of multiple sclerosis. Therapies are now emerging that may even help to reverse the disease — but are they worth the risk?
- Duncan Graham-Rowe
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Research Highlights |
Early exposure to microbes is key
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Research Highlights |
Culprits in diabetic heart risk
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Research Highlights |
A boost to the brain's barrier
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Letter |
Response to self antigen imprints regulatory memory in tissues
Thymus-derived regulatory T cells are activated by recognition of peripheral self antigen, persist in the target tissue on cessation of antigen exposure, and respond to re-exposure to self antigen with enhanced functional activity.
- Michael D. Rosenblum
- , Iris K. Gratz
- & Abul K. Abbas
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Letter |
Intravenous gammaglobulin suppresses inflammation through a novel TH2 pathway
- Robert M. Anthony
- , Toshihiko Kobayashi
- & Jeffrey V. Ravetch