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Faecal microbiota transplantation (FMT) can be used to treat established colitis. Here the authors profile transcriptional changes in humans after FMT and how this relates to colitis remission identifying a role for GBP5, and this protein is validated in a loss-of-function mouse model.

Rare loss-of-function mutations in SETD1A are associated with schizophrenia, but how SETD1A haploinsufficiency leads to disease phenotypes remains unknown. Here, authors show that SETD1A regulates genes at common schizophrenia risk loci regulating genomic stability and synaptic function.

Multisystem inflammatory syndrome in children (MIS-C) onsets in COVID-19 patients with manifestations similar to Kawasaki disease (KD). Here the author probe the peripheral blood transcriptome of MIS-C patients to find signatures related to natural killer (NK) cell activation and CD8+ T cell exhaustion that are shared with KD patients.

Frontal fibrosing alopecia (FFA) features lichenoid cutaneous inflammation and scarring hair loss. Here, Tziotzios et al. identify four genetic loci associated with FFA by GWAS followed by Bayesian fine-mapping, co-localisation and HLA imputation which highlights HLA-B*07:02 as a risk factor.

Seasonal influenza vaccination is an important strategy to prevent serious disease in the elderly, but individual responsiveness to vaccination widely vary. Here authors establish, with an array of state-of-the art methods, the major immunological parameters that distinguish vaccine recipients developing robust antibody response and non-responders

Ferroelectrics, which exhibit excellent charge separation ability, suffer from poor photocatalytic activity. The authors unveil the limitations in charge extraction and offer strategies to design high-performance photocatalysts by eliminating surface defects.

Zeiser and colleagues show that CAR T cell therapy results in upregulation of the TGFβ-activated kinase-1 (TAK1)–NF-κB–p38 MAPK pathway in microglia, causing neurocognitive defects, and find that TAK1 inhibition can reduce immune effector cell-associated neurotoxicity syndrome.

Metabolic reprogramming is a hallmark of pancreatic ductal adenocarcinoma (PDA). Here, the authors show that in PDA cells redox and central carbon metabolism are driven by an eIF4F dependent translation program, and combined targeting of eIF4A and glutaminase can impact PDA proliferation.

Understanding the deformation response of superalloys is vital to ensuring their safe operation. Here, a commercially available nickel superalloy undergoes testing at various strain rates and temperatures, revealing that twinning occurs at the interface of gamma-phase precipitates and then extends into the matrix.

Sequencing the microbial species present in complex metagenomic samples is made easier with a method that groups genes by co-abundance.

Myocardial tissue undergoes steady functional decline when cultured in vitro. Here, the authors report a protocol for culture of human cardiac slices that allows maintenance of contractility for up to four months, and show that the model is suitable for evaluation of drug safety, as exemplified for drugs interfering with cardiomyocyte repolarization.

Analysis of more than 95% of each diploid human genome of a four-generation, twenty-eight-member family using five complementary short-read and long-read sequencing technologies provides a truth set to understand the most fundamental processes underlying human genetic variation.

The lysosomal aspartic protease Cathepsin D (CTSD) is associated with breast cancer progression. Here the authors show that selective inactivation of CTSD in mammary epithelium delays tumor onset due to impaired mTORC1 signaling, but resumes malignant growth due to compensatory oncogenic pathways

Wanner et al. demonstrate SARS-CoV-2 liver tropism and identify transcriptional and proteomic profiles of SARS-CoV-2 liver samples that show similarities to previously characterized hepatotropic viruses.

Humanized mice are an enabling technology to explore human immunity and disease. Here, Douam et al. provide an in-depth comparison of immune responses to yellow fever vaccine in human vaccinees, conventional and second-generation humanized mice and define a workflow to evaluate and refine these models.

Combining the kinase inhibitor sorafenib with allogeneic stem cell transplantation boosts immune responses against a subtype of acute myelogenous leukemia, suggesting potential clinical benefit.

Derivation of human induced pluripotent stem cells (hiPSCs) produces primed hiPSCs that can in turn be converted to naive hiPSCs. Here, the authors directly reprogram somatic cells to form both naive and primed isogenic hiPSCs and confirm the similarity of naive hiPSCs to their in vivo counterparts.

The inhibitor of apoptosis (IAP) protein, BRUCE is known to ubiquitinate apoptosis regulators for proteasomal degradation. Here the authors show that BRUCE provides a bridge between LAMP2 on lysosomes and Atg8 family proteins on autophagosomes to support autophagosome-lysosome fusion.

Type-1 innate lymphoid cells have been shown to drive intestinal epithelial proliferation and extracellular matrix remodelling through TGF-β1 secretion, which could exacerbate inflammatory bowel disease comorbidities such as cancer and fibrosis.

Unpredicted aversive experiences activate DA neurons in dorsal tegmentum; these neurons are important for fear learning. This prediction-error circuit module linking amygdala and dorsal tegmentum enables a solution to an associative learning problem.

Photovoltage measurements on cuprous oxide photocatalyst particles are used to spatiotemporally track the charge transfer processes on the femtosecond to second timescale at the single-particle level.

Genome-wide analysis identifies 30 loci associated with bipolar disorder, allowing for comparisons of shared genes and pathways with other psychiatric disorders, including schizophrenia and depression.

Colorectal tumors with mutated KRAS and APC require the amino acid transporter SLC7A5 to drive tumorigenesis. Mechanistically, SLC7A5 drives transcriptional and metabolic reprogramming by maintaining intracellular amino acid levels, leading to enhanced protein synthesis.

A study on the evolutionary origin of the mammalian outer ear finds that it shares genetic programs with the gills of fishes and amphibians, indicating that elements of an ancestral gill have been reused.

After mosquito bite, the malaria parasite first infects the liver, where it is thought to be undetected by the host immune system as it develops into the blood-stage pathogen. Maria Mota and her colleagues now report that Plasmodium RNA is detected by hepatocytes, triggering an interferon response that controls the parasite burden in the liver and blood of infected mice.

In this study, the authors present an analysis of 247 full-genome SARS-CoV-2 sequences obtained from two communities in Wisconsin, USA, and report distinct patterns of viral spread. Their results suggest that patterns of SARS-CoV-2 transmission and spread may vary substantially, even between neighbouring communities.

Evolutionary modelling and expert review are applied to integrate experimentally supported knowledge accumulated in the Gene Ontology knowledgebase to create a draft human gene ‘functionome’.

Using a dynamic time-course approach to model developmental trajectories in autism spectrum disorder, Schafer et al. identified aberrant gene network dynamics as a part of an ongoing process that is primed early in development.