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Epidemiologic, genetic and immunophenotypic evidence suggests that oligoarticular and polyarticular subtypes of juvenile idiopathic arthritis are distinct etiopathologic conditions with some overlapping pathogenic pathways. As discussed in this Review, further research is needed before we can generate a full molecular picture of these chronic childhood arthropathies.

Li et al. report a spatially decoupled heavy atom antenna strategy by integrating alkyl bromides into a hybridized local and charge-transfer scaffold, originated from benzothiadiazole acceptors, to create an organic scintillator with a short radiative lifetime of 3.42 ns and spatial resolution around 50 lp mm^-1.

Transcriptomics and proteomics are transforming our understanding of juvenile idiopathic arthritis by revealing molecular signatures associated with the various clinical classifications. The challenge now is to find biomarkers that will predict disease course and response to medication in order to improve outcomes for children with arthritis.

If the use of the right treatment at the right time might 'cure' juvenile idiopathic arthritis, how do we determine the optimum timing of biologic therapy? The use of standardized consensus treatment plans in comparative effectiveness trials and of early testing for responsiveness to biologic treatment could lead the way.

Thermal imaging lenses are typically made from expensive materials such as germanium and silicon. Here, the authors synthesise a sulfur-based polymer with high mid-wave infrared and long-wave infrared transparencies, presenting a high-performing, low-cost alternative to traditional thermal imaging lens materials.

Identifying jets originating from heavy quarks plays a fundamental role in hadronic collider experiments. In this work, the ATLAS Collaboration describes and tests a transformer-based neural network architecture for jet flavour tagging based on low-level input and physics-inspired constraints.

In this article, the authors characterise genetic variation in CARTaGENE, a population-based cohort from Quebec, Canada. This genomic resource enables population and disease genetic studies in a founder population and other under-represented groups.

Autoimmune diseases are genetically complex disorders that affect up to 10% of the Western population. Here Li et al. quantify the heritability of a range of autoimmune diseases in the largest paediatric cohort examined to date, illustrating that genetic and non-genetic components variably contribute to the susceptibility of each disease.

Off-the-shelf, on-demand allogeneic CAR-T cells could represent a therapeutic alternative to autologous products for cancer therapy. Here the authors report the preclinical characterization of off-the-shelf CRISPR-Cas9– edited IL-13Rα2-specific allogeneic universal CAR-T cells and the results of a first-in-human phase I trial in patients with high-grade glioma.

The contribution of ether lipid species in cancer cell fate has not been fully understood yet. Here the authors show that malignant cancer cells employ ether lipids to modulate membrane biophysical properties, enhancing iron endocytosis and ferroptosis susceptibility.

High-dimensional immune profiling of a living recipient of a pig-to-human xenotransplant provides insight into the immune landscape of xenotransplantation and directions for improved immunosuppression strategies.

A meta-analysis across ten pediatric autoimmune diseases reveals shared genetic architecture and novel susceptibility loci.

Transition of superfluid to insulator is observed in the layer-imbalanced regime of bilayer magnetoexcitons.

A label-free, DNA-based proximity ligation assay that uses ligatable staple pairs enables the longitudinal quantification of DNA origami structural stability dynamics in vivo, with single-helix resolution for both wireframe and lattice designs.

Estimates from the Global Burden of Disease study reveal declines in chronic respiratory disease mortality between 1990 and 2023—especially during the COVID-19 pandemic—but the burdens on people affected remain substantial.

The STAR experiment at the Relativistic Heavy Ion Collider at Brookhaven National Laboratory demonstrates evidence of spin correlations in \(\Lambda \bar{\Lambda }\) hyperon pairs inherited from virtual spin-correlated strange quark–antiquark pairs during QCD confinement.

In this Review, Nigrovic and colleagues examine potential mechanisms underlying the paradoxical continuation of inflammation in arthritis, despite the increased numbers of regulatory T cells in inflamed joints, and discuss the implications for regulatory T cell-targeted therapeutic interventions in inflammatory arthritis.

The ALICE Collaboration provides details on the microscopic mechanism that ends up creating antideuteron in high-energy proton–proton collisions at the Large Hadron Collider.

Spin excitations are implicated in the emergence of high-temperature superconductivity in the cuprates but the details are unclear. Calculations performed by Jia et al.resolve a seeming contradiction presented by recent X-ray measurements and suggest that the role played by high-energy spin excitations is nominal for pairing.

Humanity’s Last Exam, a multi-modal benchmark at the frontier of human knowledge, is designed to be an expert-level closed-ended academic benchmark with broad subject coverage.

Researchers studied the blood-based metabolome of over 23,000 people from ten ethnically diverse cohorts. They identified 235 metabolites associated with future risk of type 2 diabetes (T2D). By integrating genetic and modifiable lifestyle factors, their findings provide insights into T2D mechanisms and could improve risk prediction and inform precision prevention.

Parity induces an accumulation of CD8⁺ T cells, including cells with a tissue-resident-memory-like phenotype within human normal breast tissue, offering long-term protection against triple-negative breast cancer.

DNA replication generates torsional stress. Here, the authors found the T7 replisome to be a powerful rotary motor. Helicase-DNA polymerase interactions stabilize stalled forks, enabling restart after gyrase torsional relaxation, highlighting torsion as a key regulator of replication.

This research quantifies hospital admissions in Shanghai for mental and behavioral disorders linked to humid heat, projecting a 68.2% increase by the 2090s under high greenhouse gas emissions and emphasizing the importance of mitigation strategies to reduce future morbidity burdens.

A multimodal analysis of patients with 22 different immune-mediated monogenic diseases versus matched healthy controls leads to the development of the immune health metric, which could be implemented broadly to predict responses to aging, vaccination and other immune perturbations.

While antivirals like nirmatrelvir/ritonavir and molnupiravir are known to reduce severe COVID-19, their impact on cardiovascular outcomes is unclear. Here, the authors use a target trial emulation design to show that nirmatrelvir/ritonavir significantly lowers long-term cardiovascular risks among hospitalized patients, highlighting its potentials over molnupiravir for mitigating post-COVID-19 cardiovascular complications.

Tokamak walls suffer erosion from steady and bursty heat loads. Here, the authors demonstrate that optimizing 3D magnetic field and cooling gas injection can tame destructive plasma bursts while enabling cooler, safer exhaust conditions.

In this Review, the authors summarize the latest findings on changes in effector T-cell homeostasis in autoimmune disease and discuss how mechanisms that normally regulate these cells are affected in the inflamed joints of patients with arthritis. The clinical implications of these findings are also described.

Besides their well-known role in cell death mechanisms, CD8⁺ T cells are now emerging as critical mediators of autoimmune diseases. CD8⁺T-cell homeostatic changes under inflammatory conditions, such as phenotypic variation and impaired regulation, provide insights into the pathogenesis of autoimmune arthritis and potential therapeutic targets.

T cell receptors co-recognizing both MHC and antigenic peptide for a tri-party specific interaction has been a central dogma of T cell-mediated responses. Here the authors use X-ray crystallography to identify a TCR that contacts only the MHC beta chain of HLA-DQ2, with this specificity potentially enforced by Leucine-55 of HLA-DQ2.5 to exclude interaction with other MHCs.

Chen et al. use UK Biobank data to reveal a dietary pattern associated with a lower risk of dementia, and validate this in additional cohorts.

Here, the authors show that immotile bacteria degrade antibiotics to alter their environment and facilitate nearby motile competitors to expand. As expansion proceeds, the immotile degrader is outcompeted, becoming a hidden driver of community spread.

Ferrimagnets possess multiple spin sub-lattices resulting in a complex magnon band structure and subtle spin transport across interfaces. Here, the authors show how the spin Seebeck effect, the thermal generation of pure spin current, may be an effective tool to study these magnetic excitations.

Here, the authors perform large trans-ancestry fine-mapping analyses identifying large numbers of association signals and putative target genes for colorectal cancer risk, advancing our understanding of the genetic and biological basis of this cancer.

Trained and validated on multimodal data from 14.5 million images from multicountry datasets, a foundation model is shown to increase diagnostic and referral accuracy of clinicians when used as an assistant in a trial involving 16 ophthalmologists and 668 patients.

Entanglement was observed in top–antitop quark events by the ATLAS experiment produced at the Large Hadron Collider at CERN using a proton–proton collision dataset with a centre-of-mass energy of √s  = 13 TeV and an integrated luminosity of 140 fb⁻¹.

The Einstein Probe has discovered a fast X-ray transient, EP240414a, associated with a broad-lined type Ic supernova. Its unusually soft spectrum and weak jet add to the diversity of stellar deaths and suggest a previously unknown Wolf–Rayet star explosion mechanism.

Using data from the CoVPN 3008 study, the authors show that the neutralizing antibody correlate of risk holds in people living with HIV. However, the nAb correlate was weaker and shorter-lived in a vaccine-immunity versus hybrid-immunity population.

A pangenome of oat, assembled from 33 wild and domesticated oat lines, sheds light on the evolution and genetic diversity of this cereal crop and will aid genomics-assisted breeding to improve productivity and sustainability.

CD4⁺ T cells recognising shared susceptibility epitope (SE) encoded HLA-DRB1 presenting citrullinated self-peptides are implicated in rheumatoid arthritis. Here the authors characterise the T cell receptor repertoire and structure during recognition of different citrullinated self-epitopes in HLA-DR4 transgenic mice and ACPA + RA patients.

Primary angle-closure glaucoma is a leading cause of blindness. Here, the authors identify rare deleterious variants in UBOX5 as risk factors and implicate BIP ubiquitination as a potential disease mechanism.