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Polymer thin films that emit and absorb circularly polarised light are promising in achieving important technological advances, but the origin of the large chiroptical effects in such films has remained elusive. Here the authors demonstrate that in non-aligned polymer thin films, large chiroptical effects are caused by magneto-electric coupling, not structural chirality as previously assumed.

Experiments under upper-tropospheric conditions map the chemical formation of isoprene oxygenated organic molecules (important molecules for new particle formation) and reveal that relative radical ratios control their composition

Polygenic scores for body mass index and obesity constructed using data from 5 million people with different ancestries were associated with distinct weight gain trajectories from early childhood to adulthood.

Here the authors identify the granin hormone SCG2 as a ligand for the inhibitory receptor LILRB4. They show that SCG2 released from tumors can suppress antitumor immune responses via this interaction, indicating possible therapeutic strategies.

Federated learning (FL) algorithms have emerged as a promising solution to train models for healthcare imaging across institutions while preserving privacy. Here, the authors describe the Federated Tumor Segmentation (FeTS) challenge for the decentralised benchmarking of FL algorithms and evaluation of Healthcare AI algorithm generalizability in real-world cancer imaging datasets.

Using sequencing and haplotype-resolved assembly of 65 diverse human genomes, complex regions including the major histocompatibility complex and centromeres are analysed.

Transcription factors (TFs) represent an emerging class of therapeutic targets in oncology. Here, the authors develop Epiregulon, a computational method that constructs gene regulatory networks from ChIP-seq, ATAC-seq and RNA-seq data for accurate prediction of TF activity at the single-cell level, thereby facilitating the discovery of therapeutics targeting TFs.

MultiSTAAR provides a general and flexible statistical framework for functionally informed multi-trait rare variant analysis of biobank-scale sequencing studies by jointly analyzing multiple traits and incorporating annotation information.

A global network of researchers was formed to investigate the role of human genetics in SARS-CoV-2 infection and COVID-19 severity; this paper reports 13 genome-wide significant loci and potentially actionable mechanisms in response to infection.

Spatially resolved images of M87 obtained at a wavelength of 3.5 mm in 2018 show a ring-like accretion structure, the inner (outer) edge of which connects the black hole (jet).

Analyses of genome and exome sequencing data identify rare coding and structural variants associated with atrial fibrillation and highlight genetic links between atrial fibrillation and cardiomyopathies.

A large genome-wide association study of more than 5 million individuals reveals that 12,111 single-nucleotide polymorphisms account for nearly all the heritability of height attributable to common genetic variants.

A trans-ancestry meta-analysis of GWAS of glycemic traits in up to 281,416 individuals identifies 99 novel loci, of which one quarter was found due to the multi-ancestry approach, which also improves fine-mapping of credible variant sets.

Angle-resolved photoemission spectroscopy of superconducting magic-angle twisted bilayer graphene reveals flat-band replicas that are indicative of strong electron–phonon coupling; these replicas are absent in non-superconducting twisted bilayer graphene.

Multisystem inflammatory syndrome in children (MIS-C) onsets in COVID-19 patients with manifestations similar to Kawasaki disease (KD). Here the author probe the peripheral blood transcriptome of MIS-C patients to find signatures related to natural killer (NK) cell activation and CD8+ T cell exhaustion that are shared with KD patients.

Whole-genome sequencing, transcriptome-wide association and fine-mapping analyses in over 7,000 individuals with critical COVID-19 are used to identify 16 independent variants that are associated with severe illness in COVID-19.

Here the authors provide the experimental demonstration of a widely tunable integrated frequency comb source unlocking the spectrum from the visible to the mid-infrared in a thin-film lithium niobate platform.

A consensus cell type atlas for the fly brain provides both an intellectual framework and open-source toolchains for brain-scale comparative connectomics.

The authors achieve precise strain control of freestanding SrTiO₃ membranes, enabling reversible ferroelectric transition. In-situ X-ray absorption spectroscopy unveils classical-to-quantum crossover in ferroelectric phase transition at low temperatures.

A study on the evolutionary origin of the mammalian outer ear finds that it shares genetic programs with the gills of fishes and amphibians, indicating that elements of an ancestral gill have been reused.

STAARpipeline is a comprehensive framework for flexible and scalable rare-variant association analysis using whole-genome sequencing data and annotation information.

Lipid nanoparticles (LNPs) delivering mRNA after intratumoral administration could be a promising cancer treatment strategy. Here this group reports the intratumoral delivery of mRNA with LNPs inducing the expression of purine nucleoside phosphorylase and inhibiting the progression of head and neck squamous cell carcinoma in vivo.

The Somatic Mosaicism across Human Tissues Network aims to create a reference catalogue of somatic mosaicism across different tissues and cells within individuals.

Analysis of whole-genome sequences of 25,465 individuals of European ancestry shows that rare variants contribute substantially to the heritability of height and body mass index.

Platelet aggregation is associated with myocardial infarction and stroke. Here, the authors have conducted a whole genome sequencing association study on platelet aggregation, discovering a locus in RGS18, where enhancer assays suggest an effect on activity of haematopoeitic lineage transcription factors.

The influence of X chromosome genetic variation on blood lipids and coronary heart disease (CHD) is not well understood. Here, the authors analyse X chromosome sequencing data across 65,322 multi-ancestry individuals, identifying associations of the Xq23 locus with lipid changes and reduced risk of CHD and diabetes mellitus.

Cell therapy requires sufficient amounts of therapeutic cells to be delivered to the injured tissue. Here the authors use magnetic iron nanoparticles conjugated with antibodies that bind therapeutic cells and cardiomyocytes to treat myocardial ischemia/reperfusion injury in rats and show that targeting to the heart is enhanced upon local application of a magnetic field.

BAX and BAK are pro-apoptotic proteins whose activity is essential for the action of many anti-cancer drugs and to suppress tumorigenesis. Here, the authors perform a genome-wide CRISPR/Cas9 screen and identify VDAC2 as a promoter of BAX-mediated apoptosis that is important for an efficient chemotherapeutic response and to suppress tumor formation.

Exome-sequencing analyses of a large cohort of patients with type 2 diabetes and control individuals without diabetes from five ancestries are used to identify gene-level associations of rare variants that are associated with type 2 diabetes.

Oxygen vacancies (O_v) are prevalent anionic defects in transition metal oxides, known for enhancing catalytic performance by modifying the material’s electronic and geometric structure. Here, the authors introduce a novel type of O_v, and materials featuring this rare O_v structure demonstrate excellent performance in the ammonia decomposition reaction.

In a phase 1 trial, patients with pancreatic ductal adenocarcinoma who were treated with surgery and bespoke neoantigen mRNA vaccines combined with anti-PD-L1 and chemotherapy exhibited marked long-lived persistence of neoantigen-specific CD8⁺ T cell clones, which correlated with prolonged recurrence-free survival at a 3.2-year follow-up.

A study shows that clonal haematopoiesis of indeterminate potential is associated with an increased risk of chronic liver disease specifically through the promotion of liver inflammation and injury.

Sinclair et al. explore the contribution of chronic inflammation to cardiovascular symptoms associated with post-acute sequelae of SARS-CoV-2 infection (PASC-CVS). The authors identify trace levels of inflammatory cytokines in individuals with PASC-CVS that impair the function of cardiomyocytes derived from induced pluripotent stem cells.

Urinary albumin-to-creatinine ratio (UCAR) is associated with various clinical outcomes such as kidney disease and cardiovascular disease. Here, the authors report genome-wide meta-analysis in over 500,000 individuals and find 68 UACR loci, followed by statistical fine-mapping, gene prioritization and experimental validation in flies.

FlyWire presents a neuronal wiring diagram of the whole fly brain with annotations for cell types, classes, nerves, hemilineages and predicted neurotransmitters, with data products and an open ecosystem to facilitate exploration and browsing.

Sequencing data from two large-scale studies show that most of the genetic variation influencing the risk of type 2 diabetes involves common alleles and is found in regions previously identified by genome-wide association studies, clarifying the genetic architecture of this disease.

Using data from a single time point, passenger-approximated clonal expansion rate (PACER) estimates the fitness of common driver mutations that lead to clonal haematopoiesis and identifies TCL1A activation as a mediator of clonal expansion.

Although the common genetic variants contributing to blood lipid levels have been studied, the contribution of rare variants is less understood. Here, the authors perform a rare coding and noncoding variant association study of blood lipid levels using whole genome sequencing data.

Trans-ancestry meta-analysis of estimated glomerular filtration rate (eGFR) from 1,046,070 individuals identifies 264 associated loci, providing a resource of molecular targets for translational research of chronic kidney disease.

By using a supporting cell promoter, the authors show that transient expression of Atoh1 drives regeneration and maturation of hair cells in the mature mouse vestibular organs, with transcriptomes similar to maturing type II hair cells.

Discovery of macrocyclic ligands to the 19S regulatory particle protein PSMD2 enables the synthesis of heterobifunctional molecules that demonstrate proof-of-concept, targeted degradation of BRD4 through direct engagement of the 26S proteasome.

Pooling participant-level genetic data into a single analysis can result in variance stratification, reducing statistical performance. Here, the authors develop variant-specific inflation factors to assess variance stratification and apply this to pooled individual-level data from whole genome sequencing.

The goals, resources and design of the NHLBI Trans-Omics for Precision Medicine (TOPMed) programme are described, and analyses of rare variants detected in the first 53,831 samples provide insights into mutational processes and recent human evolutionary history.

Miyazaki et al. characterize vepafestinib, a next-generation RET inhibitor that is selective for wild-type RET and solvent front mutants. Due to a unique binding mode, it has enhanced brain penetrance and overcomes resistance to other RET inhibitors.

Intravascularly infused extracellular matrix from ventricular myocardium binds to leaky vasculature and induces the regeneration of inflamed heart tissue, as shown in rats and pigs.

The 33 minute change in the orbital period of Dimorphos after the DART kinetic impact suggests that ejecta contributed a substantial amount of momentum to the asteroid compared with the DART spacecraft alone.