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Advancements in spatial transcriptomics technologies have enabled the analysis of gene expression at cellular resolution in situ. The authors applied direct RNA hybridization-based in situ sequencing (dRNA HybISS) and developed a computational tool, CellScopes, to study gene expression in mouse kidneys, identifying cellular changes and interactions during injury and repair.
Alternatives to lithium-ion electrochemistry present challenges due to undesirable phenomena at the electrode-electrolyte interface. Through simulations, the authors find that the performance of a calcium-based electrolyte is driven entirely by molecular-scale processes within approximately 1 nm of the electrode.
Adipose tissue (AT) inflammation is strongly associated with obesity and constitutes an obesogenic memory upon weight loss. Here, the authors show that intermittent fasting leads to an adipocyte p53-signaling dependent emergence of lipid-associated macrophages in visceral AT of obese mice which limits the systemic fasting response.
In Acute Myeloid Leukemia a population of quiescent leukemic stem cells (LSCs) evade chemotherapy and initiate relapse, but what makes them grow again is unknown. Here, the authors show (i) that LSCs hijack ectopic signaling pathways to kick-start their growth and (ii) that growth can be blocked with repurposed drugs in t(8;21) AML sub-type.
Interstitial iodides are the most critical type of defects in perovskite solar cells that limits efficiency and stability. Here, the authors introduce small amount of zinc trifluoromethane sulfonate to control iodide defects, facilitating fabrication of minimodules with efficiencies of over 19%.
Electric modulation of second harmonic generation finds applications in integrated photonics. Here, authors introduce electric field-induced second harmonic generation by polar skyrmions in PbTiO3/SrTiO3 superlattices with giant modulation depth.
The mechanisms through which multigenerational paternal obesity affects spermatogenesis in offspring remain poorly understood. Here, the authors show that it affects Wt1 m6A modifications, decreasing the fertility of offspring.
Recent experiments reported the Kondo effect in 1H/1T dichalcogenide hetero-bilayers. Crippa et al. re-examine this interpretation using ab initio calculations and dynamical mean-field theory demonstrating strong charge transfer sensitive to the interlayer separation, indicative of a doped Mott insulator regime.
Treatment with the clinical stage TGF-β inhibitor galunisertib promotes latency reversal of HIV/SIV. Here, using a treatment regimen similar to the one tested in clinical trials, the authors show how galunisertib affects immune cell function, increases SIV reactivation, and reduces the viral reservoir in macaques.
Here the authors develop perfusable inner blood-retinal barrier-specific microvascular networks with human primary retinal microvascular cells. They show that chronic diabetic stimulation leads to the generation of early hallmarks of diabetic retinopathy, including pericyte and capillary dropout, ghost vessels, and inflammation.
Link prediction in temporal networks is relevant for many real-world systems, however, current approaches are usually characterized by high computational costs. The authors propose a temporal link prediction framework based on the sequential stacking of static network features, for improved computational speed, appropriate for temporal networks with completely unobserved or partially observed target layers.
Spontaneous activation of VEGFRs is a hallmark of diabetes and several cancers. Here, the authors show how in VEGFR1 a juxtamembrane segment connecting the catalytic and ligand-binding domains of the receptor can prevent its spontaneous activation.
Many material properties are governed by the internal dislocation network within the material. Here, the authors describe a method to determine the three dimensional position and type of dislocations from a measurement along only a single direction within a scanning transmission electron microscope.
Little is known about how the states in glass are connected to each other. Here, the authors perform molecular dynamics simulation of relaxation in a prototypical metallic glass to show that the energy barriers separating these states are very low, and even be overcome by quantum fluctuations.
Early patterning of neural crest cells in the craniofacial primordium is important for its subsequent development. Here, authors establish in vitro model of branchial arch from human pluripotent stem cells for determining underlying mechanisms.
Parasitoid wasps are reared and released as biocontrol agents to manage aphids and protect crops. Here, the authors use genomes from 542 wasps to show that, in spite of wide scale release of low-diversity captive individuals, diversity in wild populations is maintained.
Escherichia coli ST131 is a globally dominant multidrug resistant clone associated with high rates of recurring urinary tract infections. In this genomic epidemiology study, the authors describe the evolution, population structure, and antimicrobial resistance in 142 E. coli ST131 samples from Wales, UK.
Bacterial endospores are among the most resilient forms of life. Here, authors reveal ultrastructural details of the spore chromosome and the multiprotein, multilayered extracellular coat, shedding light on mechanisms contributing to spore resistance.
Immune checkpoint inhibitor treatment improves overall survival in metastatic urothelial cancer, but response of individual patients varies significantly. Authors here perform whole-genome DNA and bulk RNA sequencing on samples from metastatic tumours and based on these data, they set up a single metric, T cell-to-stroma enrichment (TSE) score, that reflects the relative abundance of T cells versus stromal cells and their products, accurately predicting therapeutic outcome.
The overuse of chemicals in our disinfection processes has warranted the development of alternatives. Here, authors use a lab-on-a-chip device to study and observe the synergistic effects of electric field treatment and copper for inactivation of bacteria with promising applications in many fields.