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Corticotropin-releasing hormone (CRH), known for activating the HPA axis during stress, also acts centrally in the brain. Here, the authors show that CRH modulates thalamic activity involved in sleep spindle generation, disrupting sleep consolidation.

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.

Cross-species transcriptomics on vulnerable neuronal populations unravels the transcription factor CREB3 and its regulatory network as resilience markers of ALS. Genetics and epidemiology further identify the protective rare variant CREB3R119G.

Internucleosomal linker length alters the stability and dynamics of chromatin condensates by shifting the balance between inter- and intramolecular interactions. Further, by changing the linker lengths, a remodeler can induce or suppress chromatin phase separation.

Sinonasal squamous cell carcinoma (SNSCC) is an uncommon tumor, which has been associated with the human papillomavirus (HPV). Here the authors perform comprehensive genome-wide characterization of HPV-associated and HPV-independent SNSCC patient samples to reveal molecular patterns of tumorigenesis and identify HPV-driven mutational profiles.

Single-cell analysis of patient brains and cortical organoids links disrupted developmental metabolic reprogramming to postnatal synaptic dysfunction in dup15q syndrome, revealing shared neuronal changes with idiopathic autism.

The expression of each of the roughly 22,000 genes of the mouse genome has been mapped, at cellular resolution, across all major structures of the mouse brain, revealing that 80% of all genes appear to be expressed in the brain.

The authors show PTEN mutations, which can cause both congenital hydrocephalus and autism spectrum disorder, disrupt CSF homeostasis and brain connectivity in mice. Reducing mTORC1 activation ameliorates ventricular enlargement and neuronal deficits.

Whole-genome sequence analysis identifies five independent risk loci for Lewy body dementia and demonstrates overlapping genetic architecture with Alzheimer’s and Parkinson’s diseases.

Central serous chorioretinopathy is an eye disease whose etiology is not well known. Here, the authors performed genetic association studies and identified vascular endothelial protein tyrosine phosphatase (VE-PTP) as a likely regulator of the risk of central serous chorioretinopathy, as well as other eye and vascular diseases.

The BIN1 SNP rs744373 is associated with higher CSF tau and phosphorylated tau levels. Here the authors show, using PET imaging, that this SNP is associated with tau accumulation in the brain as well as impaired memory in older individuals without dementia.

The KL-VS haplotype of the Klotho gene has been associated with reduced risk of Alzheimer’s disease and dementia. Here the authors show an association between the KL-VS haplotype and amyloid-dependent tau accumulation using PET data.

How corticostriatal connections of different pyramidal cell types are organized, particularly in convergent circuits, has not been evaluated in detail. Here, cell type-specific Cre-driver mice reveal that pyramidal tract-type corticostriatal projections, though broadly similar to intratelencephalic-type projections from the same cortical region, are generally more restricted and variable in their topographic termination patterns.

An analysis of 24,202 critical cases of COVID-19 identifies potentially druggable targets in inflammatory signalling (JAK1), monocyte–macrophage activation and endothelial permeability (PDE4A), immunometabolism (SLC2A5 and AK5), and host factors required for viral entry and replication (TMPRSS2 and RAB2A).

The Sustainable Development Goals elegantly capture humanity’s shared aspirations, but it’s at the national level where the rubber hits the road. Progress is possible across multiple goals but challenges to comprehensive achievement remain.

RAG2-SCID is a primary immunodeficiency caused by mutations in Recombination-activating gene 2 (RAG2). Here the authors report a RAG2 correction strategy that replaces the entire endogenous coding sequence (CDS) to maintain the endogenous spatiotemporal gene regulation and locus architecture.

Disruption of mucin-domain glycoprotein expression and function in the endothelial glycocalyx are associated with ageing and Alzheimer’s disease, leading to dysregulated blood–brain barrier function.

A multi-ancestry genome-wide association meta-analysis of kidney cancer identifies 63 regions associated with disease susceptibility including one locus that was associated with increased risk in individuals with African ancestry.

An extinction-risk assessment of reptiles shows that at least 21.1% of species are threatened by factors such as agriculture, logging, urban development and invasive species, and that efforts to protect birds, mammals and amphibians probably also benefit many reptiles.

Sea-level rise threatens coastal mangroves, with global consequences for these important blue carbon sinks. Here the authors analyse four Holocene sediment cores from islands in Florida Bay and find that mangroves that comprised the South Florida coastline 4–3000 years ago rapidly transitioned to estuarine conditions, despite low rates of sea-level rise, and propose that their demise was driven by high climate variability.

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.

Slide-tags enables multiomic sequencing of single cells and their localization within tissues.

Multi-ancestry genome-wide analyses identify new risk loci for age-related macular degeneration. Ancestry-specific analyses identify distinct effects at major risk loci, including smaller effect sizes for CFH risk alleles in haplotypes of African ancestry.

Though smart contact lenses are an attractive technology for recording electroretinogram signals, existing approaches suffer from poor mechanical reliability, chemical stability and wettability. Here, the authors report an all-printed stretchable corneal sensor built on commercial soft contact lenses.

Delivering genes to and across the brain vasculature efficiently and specifically across species remains challenging. Here, the authors show that endothelial-specific AAVs with serotype flexibility enable redosing and transform the brain vasculature into an in vivo biofactory in genetically diverse rodents. In primates, these vectors cross the blood-brain-barrier and show broad tropism.

A genome-wide association study including over 76,000 individuals with schizophrenia and over 243,000 control individuals identifies common variant associations at 287 genomic loci, and further fine-mapping analyses highlight the importance of genes involved in synaptic processes.

Latrophilin-3 organizes synapses through a convergent dual-pathway mechanism in which Gα_s signalling is activated and phase-separated postsynaptic protein scaffolds are recruited.

An investigation using various methods reports an association between adeno-associated virus 2 and paediatric hepatitis of unknown aetiology.

Lung cancer is the leading cause of cancer mortality, despite declining smoking rates. Gorman et al. report multi-ancestry GWAS meta-analyses of lung cancer providing insights into smoking-independent genetic predisposition to the disease.

Jarr and colleagues show that statins augment efferocytosis by inhibiting the nuclear translocation of NF-κB1 p50 and suppressing the expression of the key ‘don’t-eat-me’ molecule CD47, which in part explains the pleiotropic effects of statins and provides a basis for future translational efforts.

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.

A cross-ancestry genome-wide association meta-analysis of amyotrophic lateral sclerosis (ALS) including 29,612 patients with ALS and 122,656 controls identifies 15 risk loci with distinct genetic architectures and neuron-specific biology.

Dimethyl fumarate (DMF) is an anti-inflammatory drug proposed as a treatment for COVID19. Here the results are reported from a randomised trial testing DMF treatment in 713 patients hospitalised with COVID-19. DMF was not associated with any improvement in day 5 outcomes.

Federated ML (FL) provides an alternative to train accurate and generalizable ML models, by only sharing numerical model updates. Here, the authors present the largest FL study to-date to generate an automatic tumor boundary detector for glioblastoma.

This overview of the ENCODE project outlines the data accumulated so far, revealing that 80% of the human genome now has at least one biochemical function assigned to it; the newly identified functional elements should aid the interpretation of results of genome-wide association studies, as many correspond to sites of association with human disease.