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The T cell receptor signalosome integrates multiple positive and negative regulatory elements to finetune the response and limit harmful inflammation. Here authors show a regulatory cascade of T cell activation, in which DUSP22 negatively regulates UBR2, which is an activator of the kinase Lck via K63 ubiquitination.
Technologies in human emotion recognition are challenged by their capability to accurately extract and exploit the emotional information. Lee et al. report a personalized skin-integrated facial interface to sense and combine facial and vocal expression data, enabling enhanced communication in virtual reality.
The pathobiology of heart failure (HF) is incompletely understood. The authors identify 37 circulating proteins and 5 protein modules associated with HF risk, with several demonstrating causal effects on HF, risk factors, or cardiac dysfunction by Mendelian randomization analysis.
Zhu et al. report a quantitative and time-resolved analysis of hydrogen activation on Ga2O3, specifically shedding light on the long-standing puzzle of homolytic dissociation as opposed to the heterolytic pathway on oxides.
Mucins on the surface of healthy T cells limit their phagocytic uptake by macrophages. Here the authors show that upon apoptosis induction in T cells, surface mucins are cleaved and released by ADAM10 to promote efferocytosis of the apoptotic cells.
The archaeal ancestor of eukaryotes belonged to the phylum Asgardarchaeota, or Asgard archaea. Here, the authors use ancestral sequence reconstruction and experimentally determine the optimal GDP-binding temperature of a translation elongation factor from ancient and extant Asgard archaea, to infer optimal growth temperatures for eukaryotes’ ancestors.
Rechargeable lithium batteries featuring 5 V cathodes offer high energy density yet struggle with stability. Here, the authors formulate an electrolyte incorporating dimethyl 2,5-dioxahexanedioate solvent, which facilitates stable lithium plating and stripping while offering an extended cycle life.
Native spider silk has desirable mechanical properties, but these are challenging to replicate in an artificial material. Here, the authors report the use of a microfluidic system to create continuous fibers based on recombinant spidroin.
Epidemiological evidence has identified associations among obesity, Alzheimer’s disease, and cardiovascular disease. Here, the authors report that adipose tissue releases amyloid beta 42 (Aβ42) and that antagonizing Aβ42 protects cardiac function in obesity murine models.
SARS-CoV-2 coinfections may lead to recombination events which could be important in the emergence of new variants. Here, the authors develop an automated bioinformatics pipeline to identify coinfections in genomic data and test it on >2 million publicly available raw read data sets collected globally.
Whether end-spectral bias for red and blue in the visual cortex inherits from the pre-cortical stage or emerges within V1 remains incompletely understood. Here, the authors revealed a feedforward mechanism of end-spectral bias which is mainly transmitted through parvocellular pathway.
Nanotexture-sensitive fracture focusing during magma fragmentation determines the surface chemistry of volcanic ash particles, thereby modifying the reactive interface and subsequent environmental impacts
UAP56 is an important factor in the TREX complex, which is responsible for mRNA export. Here the authors show that the closely related RNA helicases, UAP56 and URH49, exhibit different three-dimensional structures due to one amino acid change. Accordingly, they form distinct apo-complexes and function in the nuclear export of specific target mRNAs.
Organic neural implants hold considerable promise for biocompatible neural interfaces. Here, the authors employ polymer-based organic electrochemical diodes and transistors to develop neuron-sized complex circuits, enabling multiplexing without crosstalk and demonstrate that, when integrated onto ultra-thin plastic, these circuits achieve high performance while maintaining minimal invasiveness.
Artificial intelligence has become popular as a cancer classification tool, but there is distrust of such systems due to their lack of transparency. Here, the authors develop an explainable AI system which produces text- and region-based explanations alongside its classifications which was assessed using clinicians’ diagnostic accuracy, diagnostic confidence, and their trust in the system.
N–N axially chiral motifs are of synthetic interest due to their presence in natural products, pharmaceuticals, and chiral ligands. Here, the authors develop a direct catalytic synthesis of N–N atropisomers with simultaneous creation of contiguous axial and central chirality by oxidative NHC catalyzed (3 + 3) cycloaddition.
Regioselectivity prediction for many reactions remains a challenging target for a priori prediction. Here, the authors develop a machine learning model that predicts the outcomes of Minisci reactions.
All-carbon quaternary stereocenters are an important synthetic motif but are especially difficult to synthesize enantioselectively. Here, the authors demonstrate the organocatalytic regio- and enantioselective synthesis of valuable acyclic 1,4-dicarbonyl products with vinylated and arylated quaternary centers.
Photonic Stochastic Emergent Storage is a neuromorphic photonic device for image storage and classification based on scattering-intrinsic patterns. Here, the authors show emergent storage employs stochastic prototype scattering-induced light patterns to generate categories corresponding to emergent archetypes.
Powdery mildew threatens worldwide wheat production. Here, the authors report the cloning of two powdery mildew resistant Pm55 alleles and show that they exhibit distinct interactions with the inhibitor SuPm55 to cause different resistance.