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In vitro models using tissue-specific progenitors recapitulate the lumen with gland-like structures and functional characteristics of the human stomach epithelium in a patient-specific disease model.

Leushacke et al. provide insights into the role of Lgr5 cells in the oxyntic stomach, demonstrating that they label a subpopulation of chief cells that function as reserve stem cells during regeneration and cells-of-origin of gastric cancer.

A cellular neural network that incorporates transistors and multilevel non-volatile memristor synapses can be used for efficient image and video processing.

Combination treatment with two antiviral drugs (oseltamivir and baloxavir) effectively limits clade 2.3.4.4b A(H5N1) influenza virus replication and disease severity in ferrets.

67 million customers across the US rely on drinking water utilities that face higher climate risk than accounted for, which exposes major gaps in climate adaptation and resilience planning, suggests an assessment of vulnerability, exposure, and hazards across 1,455 municipal utilities.

The neural dynamics that optimize coordination of sensorimotor behaviour are not fully understood. Here authors show that the cerebellum receives a copy of the motor commands from the cerebrum during movement preparation, likely to generate motor predictions. During the execution, the cerebellum sends feedback to correct the motor cortical activity.

Here, the authors examine the mechanisms behind cheatgrass’s successful invasion of North American ecosystems. Their genetic analyses and common garden experiments demonstrate that multiple introductions and migrations facilitated cheatgrass local adaptation.

Several markers of gastric stem cells have been identified in recent years. Now a study demonstrates that Lgr5 marks a population of reserve stem cells located at the base of the corpus glands of the gastric epithelium, and that these cells can also act as a cell-of-origin for gastric tumorigenesis.

How to effectively communicate climate change to the public has long been studied and debated. Through a registered report megastudy, researchers tested the ten most-cited climate change messaging strategies published, finding that many had significant, but small, effects on climate change attitudes.

A flexible micro-electrocorticography brain–computer interface that integrates a 256 × 256 array of electrodes, signal processing, data telemetry and wireless powering on a single complementary metal–oxide–semiconductor substrate can provide stable, chronic in vivo recordings.

There are two technical impediments for using purified Wnt proteins in serum-free stem cell cultures: rapid loss of activity and toxicity of detergents to stem cell self-renewal. Here, the authors show that lipid-stabilized Wnt3a can establish long-term culture of human intestinal and liver organoids.

Seismicity induced by wastewater injections is widespread in Oklahoma, probably because its basement is susceptible to the reactivation of basement-rooted faults, according to three-dimensional seismic analyses, rock-mechanics experiments and field surveys.

The bioavailability of NAD is vital for muscle health. Here, the authors unveil a pathway from glucose sensing to muscle NAD modulation via the TAS1R2 receptor, suggesting TAS1R2 as a therapeutic target for muscle health preservation.

Brain function requires the formation of diverse and specific synapses. The authors show that the molecular code specifying excitatory connectivity on Purkinje cells evolves in an input-specific manner with postnatal circuit maturation.

This multi-omic longitudinal analysis of the healthy human peripheral immune system constructs the Human Immune Health Atlas and assembles data on immune cell composition and state changes with age, including responses to cytomegalovirus infection and influenza vaccination.

UCN2 acts as a ligand for the GPCR CRHR2 and there have been conflicting reports on whether UCN2 treatment improves or worsens glucose tolerance. Here, the authors show that acute UCN2 recruits Gs and decreases glucose uptake, while chronic treatment desensitizes CRHR2 and improves glucose uptake.

In this study, the authors show that NgR1 and NgR3 can act as functional receptors for chondroitin sulfate proteoglycans (CSPGs), mediating inhibition of axonal growth and regeneration. This suggests a convergent mechanism for CSPG- and myelin-associated inhibitor activities after axonal injury in the CNS.

This study demonstrates the opacity resolution and visual function improvement following intrastromal injection of quiescent corneal stromal keratocytes but not stromal fibroblasts. The keratocyte therapy recapitulates native cornea’s collagen fibril organization and proteoglycans.

Nodular lymphocyte-predominant Hodgkin lymphoma (NLPHL) is a rare cancer. Here, the authors develop a NLPHL specific model to identify 34 distinct cell states across 14 cell types that co-occur within 3 lymphocyte predominant ecotypes (LPEs) for 171 cases.

The use of PET for detection of Aβ in the brain in AD has limitations; studies also indicate that retinal changes, including Aβ deposition, occur in AD. Here the authors demonstrate the potential to use in vivo retinal hyperspectral imaging as a surrogate for brain accumulation of Aβ.

Huebner et al. develop a 2D culture system to study gastric isthmus stem cells and identify a role for Sox2 in specifying enterochromaffin cells in the stomach.

The authors find cholinergic neurons regulate glymphatic waste clearance via neurovascular mechanisms, with their loss impairing this process. This finding suggests targets for diagnostics and treatment.

This study showed that vagal sensory neurons in the nodose ganglia selectively encode specific cytokines, enabling real-time body-brain communication of immune signals. This neural encoding of cytokines is disrupted during inflammation associated with a colitis model.

This study demonstrates that the MKK3b/6 signalling pathway drives the skeletal muscle growth-promoting effects of resistance exercise.

Instrumental to the migration of antigen-scavenging immune cells, the lymphatic vessel entry receptor LYVE-1 interacts with the hyaluronan glycocalyx, anchored by the leucocyte hyaluronan receptor CD44. Here, dynamic force spectroscopy, crystal structures and MD simulations provide mechanistic insights.

Two independent studies show that, if push comes to shove, differentiated cells of the stomach and lung can act as adult stem cells, generating various cell types of the tissues, including a pool of stem cells. See Article p.218

Retinal vein occlusion can cause blindness, and features neuronal dysfunction, inflammation and breakdown of vascular integrity. Here the authors report a non-apoptotic role of endothelial caspase-9 in regulating blood-retina barrier integrity and neuronal survival, which can be therapeutically targeted in a mouse model of retinal vein occlusion.

The nature of astrocyte diversity in the adult brain has remained poorly defined. The authors identify five astrocyte subpopulations in the brain that exhibit extensive molecular and functional diversity. They uncover correlative populations in malignant glioma, providing insight into how diverse astrocyte populations contribute to synaptogenesis, tumor pathophysiology and neurological disease.

The authors present SVclone, a computational method for inferring the cancer cell fraction of structural variants from whole-genome sequencing data.

The loss of nicotinamide adenine dinucleotide is reported to be associated with muscle mitochondrial dysfunction in murine cancer models. Here the authors show that niacin supplementation improves mitochondrial metabolism and reduces muscle wasting in mouse models of cachexia.

Lead sulphide colloidal nanocrystals are now used to harvest non-emissive triplet excitons generated in a tetracene layer. Depending on the length of the ligands capping the nanocrystals, exciton transfer efficiency as high as 90% can be achieved.

Spatially segregated rRNA processing dictates nucleolar morphology and drives outward progression of pre-ribosomal RNA through nucleolar phases.