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Nicotinamide N-methyltransferase (NNMT) and its metabolite 1-MNA have been implicated in liver disease and stress adaptation. Here, the authors show that NNMT/1-MNA protects against hepatic ischemia-reperfusion injury by modulating the AKT/FOXO1/ANGPT2/JNK axis.

Targeted deletion of integrin-associated protein CD47 enhances long-term engraftment of human CD34⁺ cells in immunodeficient pigs lacking IL2RG and RAG2, enabling large-scale production of functional human immune cells.

Qi et al. show that bile acids produced by the gut microbiota can suppress platelet activation and reduce atherothrombosis, protecting atherosclerotic mice from myocardial ischemia/reperfusion injury.

The formation of directional fibrous tissue bands, typical of liver fibrosis progression, might be induced by the tension of the hepatic stellate cells, as studied with an in vitro microfabricated model.

The authors provide insights into the role of neuronal CCL2 expression, which is triggered with hyperglycaemia and modulates anxiety disorders under conditions of diabetes.

Identification of a broadly therapeutic antibody h1A6.2 against enteroviruses, which mimics the entry receptor SCARB2 and triggers monocyte/macrophage-dependent Fc effector functions in mice.

Many thrombolytic agents depend on plasminogen, leading to D-dimer accumulation. Here, Tang et al. report a plasminogen-independent thrombolytic enzyme that degrades blood clots and D-dimer without plasminogen.

Both cartilaginous and bony fishes have adaptive immune cells, but the evolutionary features of these diverse cell populations remain understudied. Here the authors report single-cell RNA sequencing atlas of both species to define these features and to find reduced evolutionary diversification of immune cells in cartilaginous fishes.

Early-onset lung cancer in young adults remains poorly studied. Here, the authors analyse the clinicopathological, molecular, and immune features of early-onset non-small cell lung cancers in a cohort of 421 patients across ten medical centres in China, identifying potential therapeutic strategies for this subgroup.

The miniaturization of spectrometers to a submillimeter-scale footprint opens opportunities for applications in hyperspectral imaging and lab-on-a-chip systems. Here, the authors report a high-performance single-pixel photodetector spectrometer based on the III-V semiconductor p-graded-n junction, featuring a voltage-tunable optical response.

The authors report a catalyst featuring Rh-Zn dual sites in a MoS₂ lattice integrated with TiO₂ for the photocatalytic carbonylation of CH₄ with CO and O₂ to CH₃COOH with a high productivity of 152.0 μmol g_cat.⁻¹ h⁻¹ and selectivity of 96.5%.

AIF3 variants are identified in children with mitochondrial disorder with yet unclear impact/mechanism. Here, the authors show that AIF3 splicing disrupts mitochondrial respiration, glutathione-redox homeostasis and brain development via dysregulating AIF’s NAD(P)H dehydrogenase and glutathione reductase activities.

Reactivating adult cardiomyocyte proliferation is key to heart regeneration post-injury. Here, authors show that medium from human iPSC-derived primitive macrophages (hiPM-cm) induces adult cardiomyocyte proliferation and promotes heart regeneration.

SARS-CoV-2 evolves into new subtypes necessitating further vaccine development. Here the authors generate a trivalent vaccine with Receptor Binding Domains from Delta, BA.5 and XBB.1.5 variants and characterize immunogenicity and protection in mice and safety in a phase I vaccine trial in humans.

Hawkey et al. provide insights into the spatio-temporal distribution and genetic diversity of Salmonella Paratyphi B — the agent of paratyphoid B fever — and report a genotyping scheme facilitating the international surveillance of this pathogen.

Exercise can increase the expression of microglial ceramide synthase 1 (CerS1), regulates sphingolipid metabolism, and improves depressive-like behaviors in adolescent mice.

The mechanisms of intermetallic compound (IMC) formation during annealing are poorly understood. Here, the authors identify five stages of PtFe-IMC formation at the atomic level using in-situ STEM, emphasizing the role of high temperature in achieving the targeted stoichiometric ratio.

Determining the causal variants at GWAS loci is crucial for understanding genetic disease mechanisms. Here, the authors apply MPRA to perform non-small cell lung cancer (NSCLC) variant-to-function mapping at scale and propose distinct genetic architectures underlying NSCLC susceptibility.

Hsc70 (heat shock protein family A member 8) is a cytoplasmic chaperone protein involved in endosomal micro-autophagy and chaperone-mediated autophagy. Here the authors report that Hsc70 promotes lysosomal degradation of PD-L1 and that its overexpression promotes anti-tumor immune responses in preclinical cancer models.

Bioluminescent imaging of bacteria in vivo generally requires the use of engineered bacteria. Here the authors take advantage of bacteria specific ATP-binding cassette sugar transporters to enable selective delivery of bioluminescent nanoprobes into bacteria for visualisation, including in deep tissues.

Complicated associations between multiplexed environmental factors and aging are poorly understood. Here, authors show heterogeneous associations of multiplexed environmental factors with multidimensional aging metrics.

The rational design and synthesis of dual-atom catalysts with structurally uniform and flexible active sites remains challenging. Now the tailored synthesis of a Janus Fe–Co dual-metal catalyst is reported in which the Fe and Co atoms are coordinated to N and O, respectively, and linked through bridging N and O atoms.

Root-associated microbiota confers benefits to plant in responding to environmental stress. Here, the authors show that wild soybean secretes purines under salt stress, reshapes the microbiota and recruits Pseudomonas.

CRISPR diagnostics are routinely used for the detecting nucleic acids, but rarely for clinically important proteins. Here, by translating a CRISPR-based DNA test into an ultrasensitive assay for antibodies, the authors achieve antibody detection from serum samples at attomolar concentrations.

C19 hydroxylation is a unique feature of some bioactive steroids. Here, the authors developed a direct C19 hydroxylation approach to scalably access 19-OH-cortexolone in the host T. cucumeris and then converted the product into various pharmaceutically useful products via chemical synthesis.

A natural pathway in rice and in seven other major crop species degrades 57–89% of accumulated methylmercury and releases Hg into the air. The MeHg demethylation within rice mitigates Hg flux into human food webs, diminishing human cognitive damage and generating global economic benefits of US$30.7–84.2 billion.

Wang et al. clarify the regional heterogeneity of intestinal AMPs and identify that chromatin accessibility determines the potential of BATFs to regulate AMPs at the pre-transcriptional level, thus shaping the regional heterogeneity of AMPs.

Crystal structures of the Legionella effector SdeA in a ligand-free state and in complex with ubiquitin and NADH provide insight into SdeA-mediated phosphoribosyl-linked ubiquitination.

The current use of elastography ultrasound faces challenges, including vulnerability to subjective manipulation, echo signal attenuation, unknown risks of elastic pressure and high imaging hardware cost. Here, the author shows a virtual elastography to empower low-end ultrasound devices with state-of-art elastography function.

Researchers discover optical torque components produced from light’s reactive helicity gradient and momentum curl. They introduce and demonstrate the concept of lateral optical torque to spin objects, transversely to the spin of illumination. The principle of optical spanner is re-examined, highlighting the impact of orbital angular momentum on the torque and its negative manifestation.

The SARS-CoV-2 Omicron variant has quickly become the predominant circulating variant, due to the high transmissibility and immune escape. Here, the authors develop a trimeric protein vaccine candidate and show a sustained humoral immune response, and protection from challenge (Omicron and Delta) in various animal models.

Pigs can be genetically modified to inactivate endogenous retroviruses and to display enhanced compatibility with the human immune system using a combination of CRISPR–Cas9 and transposon technologies.

The peptide-centric local stability assay (PELSA) can be used to determine ligand-binding targets and binding regions on a proteome-wide scale with high sensitivity.

MYLIP relies on its enzymatic activity to target HIF-α, triggering K27-linked polyubiquitination and subsequent proteasomal degradation, thereby suppressing the hypoxic signaling pathway and inhibiting hypoxia tolerance.

Nanoparticles of non-noble metals are useful for many applications but can be prone to sintering or surface oxidation. Here, the authors use a rapid heating-cooling approach to synthesize uniformly distributed nanoparticles in a reduced graphene oxide matrix, and test them as switchable energetic materials.

While the promise of low metal utilization has brought single-atom catalysts (SACs) into the spotlight, intrinsic limits in reactivity still restrict their application to a small set of reactions. Here, the authors expand the repertoire of SAC transformations with a nitrogen-doped, carbon-supported, Ru single-atom catalyst that exploits the effect of peripheral N species to promote propane dehydrogenation.