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Transcription factor osr2 is identified as a specific marker and regulator of mural lymphatic endothelial cell (muLEC) differentiation and maintenance, and muLECs and border-associated macrophages share functional analogies but are not homologous, providing an example of convergent evolution.

STED nanoscopy reveals structural and functional diversity in Neuronal MDVs including degradation and protein transport for organelle biogenesis.

An implantable tissue adhesive soft actuator adheres to muscle, generating mechanical stimulation, and activates mechanosensing pathways for prevention of atrophy in disuse muscles.

Myb1 functions as a switch-like regulator of state transitions in Hortaea werneckii, whereby its expression and degradation are coupled to nutrient conditions, stabilizing unicellular or multicellular growth.

Our annual survey highlights several academic startups developing immunotherapies as well as ventures focusing on microbiomes, proteostasis, integrin biology, nucleic acid delivery and subcellular imaging.

Thousands of centromeres were identified and tracked across two major fungal clades, showing that new centromeres spread progressively and that the kinetochore acts as a filter to determine which new centromere variants are tolerated.

The extracellular matrix protein laminin-α2 provides muscle fibers with essential structural support. Here, the authors show that muscle stem cells also secrete laminin-α2 to support their own proliferation during muscle regeneration.

Hepatocyte organoids derived directly from human tissue enable long-term hepatocyte expansion and can be combined with portal mesenchyme and cholangiocyte organoids to form a donor-specific periportal liver assembloid system.

Humans and monkeys integrated experiential and observational evidence during a two-player task, and the anterior cingulate cortex combined the information sources into a unified neural belief representation that explains behavioural asymmetries.

During development of eutherian females, one of the X-chromosomes is silenced. Here, authors show that alleles on the inactive X-chromosome are dynamically expressed along neural differentiation enhancing resilience of female neural tissue.

This study shows that TE, an inferotemporal (IT) cortex subregion, displays stronger neural plasticity than TEO, another IT subregion, during learning of a challenging visual categorization task in primates, to which both areas contribute.

Zhu et al. find that aging causes region-specific myelin damage in the spinal cord, which is counteracted by enhanced TGFβ signaling in microglia, revealing a protective mechanism for healthy aging.

T-cell–mediated rejection (TCMR) remains a major cause of kidney transplant failure with incompletely understood mechanisms. Here the authors use single-nucleus RNA sequencing, spatial transcriptomics and immunofluorescence to show that injured kidney epithelial cell states associate with poor transplant outcomes after T-cell–mediated rejection.

Cryo-electron microscopy structures of three large ornate natural bacterial RNA molecules reveal their quaternary structures and intra- and intermolecular interactions that stabilize them.

The somitic mesoderm is seen as the main source of brown adipose tissue, although some depots are of partially unknown origin. Here, the authors show that Osr1 labels multipotent dorsal aorta progenitors at E9.5 that contribute to cartilage, muscle, and adipose tissues, revealing a non-somitic contribution to several brown adipose depots.

Microglial mitochondrial morphometrics and dynamics in vivo remain unclear. Here, the authors show that mitochondria are not evenly partitioned in microglia processes, nor do they follow process surveillance or acute process responses to brain damage.

The nucleus accumbens (NAc) controls reward learning and motivated behaviors. Here, authors show that the neuropeptide gastrin-releasing peptide regulates the excitability of subpopulations of NAc neurons and modulates motivated behavior in mice.

Heparan sulfate proteoglycans facilitate the assembly of clusters of glycoRNAs and cell surface RNA-binding proteins, which negatively modulate VEGF-A signalling and angiogenesis.

Human genetic loci that associate with composition of the oral microbiome are identified using saliva-derived DNA, where the same host genetics also shapes oral health and genetic variation in oral bacteria.

Membrane ion channels can be responsive to a variety of stimuli such as pressure, temperature, or pH. Here, the authors show that simply shining 365 nm light activates a native potassium channel in rodent pain-sensing neurons, delivering powerful analgesia without drugs or genetic manipulations.

This study detects Chlamydia pneumoniae in human retina and brain, increasing with AD severity. Retinal pathogen load with Aβ₄₂ may predict AD stage. In models, infection drives Aβ deposition and NLRP3 activation, worsening pathology and cognition.

The neural mechanisms driving seizure development in peritumoral brain regions remain incompletely defined. Here, using patient tissue, glioma mouse model, and computational simulation, the authors identify early pathological activities that are predictive of tumor-associated seizures.

In mdx mouse fetuses, the lack of dystrophin markedly impairs secondary myogenesis due to reduced muscle stem cell polarity. AAK1 deletion restores polarity and rescues secondary myogenesis, revealing fetal onset in Duchenne muscular dystrophy.

High-voltage, anode-free sodium metal batteries combine high energy density and sustainability, but the lack of suitable electrolytes hinders their application. This work formulates an eco-friendly electrolyte design that supports exciting performance in such batteries.

Receptor dimerization is central to many GPCRs signaling, but key rate and equilibrium constants are hard to measure. Here, the authors present single-molecule methods to obtain such constants and reveal transient opioid receptor homodimers modulating function.

An allosteric site on the E3 ligase adapter cereblon can be targeted to modulate the efficacy of cereblon in targeted protein degradation applications.

A vagal reflex to blood volume changes in the heart involves PIEZO2 and helps to stabilize blood pressure in an upright posture and after blood loss.

Functional and structural characterization of PtmA2 reveals that it is an unusual non-adenylating acyl-CoA ligase and part of a system wherein the canonical acyl-CoA ligase reaction is separated into two half-reactions performed by distinct enzymes.

Mutations in GJB2 cause DFNB1, the most common hereditary deafness. ATAC-seq identification of gene regulatory elements enables targeted GJB2 delivery to cochlear cells, preventing hearing loss in mouse models.

The developmental origin of behavioral individuality is unclear. The authors show that a temporal sequence of genetically encoded stochastic mechanisms explains variation in stereotyped neuronal circuits.

Here they identify the C. elegans homolog of Sjogren’s Syndrome Nuclear Antigen 1 as a centriole-stabilizing factor. In the absence of SSNA-1 centrioles assemble normally but are prone to fragmenting in the early embryo leading to multipolar spindle formation and embryonic lethality.

Viral ribonucleoprotein–viral protein networks form pre-replication centres that nucleate viral factories and drive respiratory syncytial virus replication.

Activators of K_Ca2.2 channels constitute potential novel treatments for neurologic disorders. Here, authors report cryo-EM structures of activator-bound channels, providing a framework for structure-based drug design targeting K_Ca2.2 channels.

SCEP3 is a new synaptonemal complex protein that prevents clustering of crossovers during meiosis in Arabidopsis, so that every pair of homologous chromosomes receives at least one ‘obligate’ crossover.

The precise mechanism of action of the antibiotic daptomycin is controversial. Here, Buttress et al. provide evidence for two independent antibacterial mechanisms: membrane depolarisation and inhibition of cell wall synthesis.

Using a mouse model with a macrophage-specific DNA repair defect, Niotis, Arvanitaki et al. identify DNA damage-induced autophagy in macrophages as a link from aging to autoimmunity.

MK-7762 is a new oxazolidinone antitubercular agent that is structurally similar to linezolid, and demonstrated in vivo efficacy, lesion penetration and limited toxicity compared to linezolid, indicating it could be used in broad tuberculosis regimens.

Deciphering body-brain communication pathways is key to a deeper understanding of brain physiology and pathology. Here, the authors define the astrocyte endfoot proteome and show dynamic vascular-to-astrocyte signaling relevant to human neuropathology.

Engineering motif-specific 'hot spots' into an antibody scaffold yields antibodies with high affinity to targets containing phosphoserine, phosphothreonine or phosphotyrosine.

Multiple types of cell elongation have been described in bacteria, but little is known about how these strategies vary across species. Here, the authors use fluorescent D-amino acids to track the spatiotemporal dynamics of bacterial cell elongation, revealing unsuspected diversity of elongation modes among closely related species of the family Caulobacteraceae.

A combined cryo-electron tomography and cryo-electron microscopy pipeline was developed to inflict axonal damage and monitor the cellular response induced by epothilone B, revealing that microtubule polymerization at and beyond the lesion site promote axon regeneration.

The magnetoelastic coupling at a ferroelectric-ferromagnetic interface is shown to be dominated by shear-strain effects. Using polarised x-ray microscopy to simultaneously image the ferroic domain structures, the authors demonstrate an anomalous coupling in the ultrathin film limit.

Clb2 is a B-type cyclin essential for mitotic progression. Here, the authors found that the CLB2 mRNA localizes to the yeast bud via a cis-acting ZIP-code and She2/She3 transport machinery. This spatial regulation ensures proper cyclin protein levels, whereas its mislocalization perturbs division timing and bud size control.

The climate-model mean response of the summertime mid-latitude circulation to global warming is weak. Model experiments reveal that a tug of war between the influences of radiative forcing and surface warming is the reason.

Membrane budding plays pivotal roles in cellular processes, but a fully artificial system mimicking natural budding processes remains elusive. Here, the authors report a DNA origami-based membrane budding system that recapitulates key aspects of clathrin-mediated endocytosis without relying on components of cellular budding machineries.

Reovirus mRNAs lack polyadenylated tails yet are efficiently translated. Here, the authors identify host protein ataxin-2-like (ATXN2L) as a mediator of reovirus nonpolyadenylated mRNA translation.