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Targeted ablation of prostaglandin E₂ (PGE₂) signalling in CAR T cells enhances their activity in PGE₂-rich solid tumours, with demonstrations of efficacy in vitro, in mouse xenografts and in patient-derived organotypic tumour spheroids.

Population-level analyses and in vitro experiments show that a specific genetic variant of cyclin D3 inhibits the growth of the malaria-causing parasite Plasmodium falciparum in erythrocytes, and suggest that its high frequency in Sardinia was driven by past endemic malaria.

Here, the authors show that 2’-O-methylated RNA fragments from ribosomal RNA naturally block TLR7 and TLR8, helping to avoid avoid harmful self-RNA detection and autoimmunity.

The authors find that distinct radial glia subtypes generate and support midbrain dopaminergic neurons, revealing specialized function and lineage relationships among the diverse cell types that shape dopamine neuron development.

The authors present a genetically encoded tool based on a bifunctional enzyme that can regenerate NAD⁺ while executing an engineered glycerol shunt. The tool successfully restored redox imbalance and modulated lipid metabolism in vitro and in a mouse hepatic steatosis model.

Maurice et al. examine how cytokines regulate antigen-independent activation of memory CD8⁺ T cells. They show that IL-4 signaling changes the quality of the bystander T cell response by antagonizing IL-18 sensing and subsequent IFNγ production, but increasing granzyme B expression without changing perforin, thereby limiting bystander-mediated protection.

Crohn’s disease is associated with disturbances in the B-cell compartment and secreted antibodies. Here, the authors reveal impaired colonic dimeric IgA responses in patients with Crohn’s disease and verify this phenotype in murine models, demonstrating that mitochondrial dysfunction drives defective mucosal humoral immunity.

The transcription factor ATF4 and its effector lipocalin 2 (LCN2) have a key role in immune evasion and tumour progression, and targeting the ATF4–LCN2 axis might provide a way to treat several types of solid tumour by increasing anti-cancer immunity.

Current long acting HIV therapies face challenges like prolonged pharmacokinetic tails, which increase resistance risk. The authors develop dimeric bictegravir prodrug nanosuspensions that sustain therapeutic levels for six months with a short PK tail, supporting safer ultra-long-acting HIV treatment.

Contaminants such as CO₂ and H₂S present in natural gas and biogas streams must be removed before use; existing strategies to do so can be rather complex. Here, the authors use a fluorinated porous metal–organic framework to remove CO₂ and H₂S from CH₄-rich feeds in a single step, potentially simplifying the process.

A protein biomarker, the NOTCH3 extracellular domain, identifies individuals with idiopathic pulmonary hypertension, correlates with disease progression, improves mortality risk prediction and provides a readily implementable, noninvasive blood test for this disease.

An in-depth analysis of tissue biopsies from patients with multiple myeloma and CAR T cell therapy-associated immune-related adverse events (CirAEs) after treatment with commercial BCMA-targeted CAR T cell therapy shows that CD4⁺ CAR T cells mediate off-tumor toxicities and that high CD4:CD8 ratio at apheresis, robust early CAR T cell expansion, ICANS and ciltacabtagene autoleuce treatment are independently associated with the development of CirAEs.

A technique called condense-seq has been developed to measure nucleosome condensability and used to show that mononucleosomes contain sufficient information to condense into large-scale compartments without requiring any external factors.

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

Huang, Rigau and colleagues observe major changes in how DNA is organized in early germ cells before they start developing into sperm or eggs. These results show that germline removes structural ‘memory’ of DNA folding to start fresh for the next generation.

This study shows how the bacterial retron Eco2 defends against viruses. Phage nucleases trigger activation of Eco2, which cuts RNAs, shuts down protein production and stops phage replication.

Myeloid derived suppressor cells (MDSC) use different metabolic mechanisms to adapt to the tumour microenvironment. Here the authors show that 6-phosphogluconate dehydrogenase (6PGD) is important for MSDC function and that blockade of 6PGD impaired MDSC function and suppresses tumour growth leading to metabolic and functional changes in the MDSC and a more pro-inflammatory phenotype.

A human spinal cord organoid model can replicate two different types of spinal cord injury and can be used as an in vitro system to evaluate therapeutics and inflammatory reactions to treatments.

Smith et al. present M-PACT, a deep neural network leveraging low-input cell-free DNA methylation profiles to achieve robust classification of pediatric brain tumors and enable cellular deconvolution and sensitive copy-number variation detection.

Stable adipocytes resist lipolysis in healthy states but are highly susceptible to a catecholamine-independent, neurosystemic pathway-driven catabolic state.

Antibodies against SARS-CoV-2 continue to evolve 6 to 12 months after infection in patients who have recovered from COVID-19, increasing in potency and breadth with time.

Using a non-human primate model, the authors identified the tissue sites of initial viral rebound after discontinuation of antiretroviral therapy, demonstrating that such rebound preferentially occurs in the gastrointestinal tract-associated lymphoid tissues.

The ZFTA–RELA fusion, an oncogene for ependymomas, promotes the production of itaconate, and its dependence on this metabolite represents a new therapeutic target for this cancer.

Diatoms are critical for carbon fixation and have strong biotechnology potential. Here, the authors optimized DNA and protein delivery methods for the model diatom Phaeodactylum tricornutum, also showing that DNA pieces can be stitched together directly in algal cells.

Acute depletion of NIPBL reveals a class of chromatin loops that are independent of NIPBL for their maintenance but not their establishment and that NIPBL is necessary for the expression of lineage-defining genes.

Insights into regulatory T cell biology are accelerating therapeutic innovation in cancer immunotherapy, autoimmune diseases and transplant rejection.

Jacquemyn et al. identify key lipid determinants controlling ectosome shedding from neurons. They find that ectosomes are a major route for the intercellular transport of misfolded α-synuclein, with relevance to Parkinson’s disease pathology.

Phosphorylation-dephosphorylation and ubiquitination tune TCR signaling to avoid self-reactivity. Kim and colleagues show that acetylation also modulates TCR signaling.

Here the authors compare genetic testing strategies in rare movement disorders, improve diagnostic yield with genome analysis, and establish CD99L2 as an X-linked spastic ataxia gene, showing that CD99L2–CAPN1 signaling disruption likely drives neurodegeneration.

Molecular glue degraders have consistently been discovered retrospectively, despite their increasing importance. Herein, a high-throughput approach is described that modifies existing ligands into molecular glue degraders.

Post-transcriptional regulation of mRNA translation was explored using Ribo-STAMP and single-cell RNA sequencing to reveal cell-type-specific and isoform-specific translation patterns across hippocampal neuronal and non-neuronal cell types, highlighting functional differences between CA1 and CA3.

Here they developed an inflamed human intestinal organoid model and used it to build a scRNA-seq perturbation atlas of microenvironmental cues in the context of inflammatory bowel disease.

In a phase 1 trial, personalized mRNA vaccines tailored to individual tumour mutations in triple-negative breast cancer induced robust, long-lasting T cell responses and improved prognosis.

Alternative splicing generates diverse protein isoforms, yet the functions of most exons remain unknown. Here, the authors introduce scCHyMErA-Seq, a scalable single-cell CRISPR exon-deletion platform that maps exon-specific transcriptional functions shaping gene expression and cell-cycle states.

Mucosal administration of a multivalent, adjuvanted vaccine against Clostridioides difficile promoted bacterial clearance and protected against morbidity, mortality, tissue damage and recurrence in mice.

ATF6α activation in human and preclinical models of hepatocellular carcinoma is significantly associated with an aggressive tumour phenotype characterized by reduced survival, glycolytic reprogramming and local immunosuppression.

Proxy records from Lake Baikal show that rapid cooling coincided with Northern Hemisphere ice sheet expansion 2.7 million years ago, a change accompanied by a transition to open steppe ecosystems.

In this study, the authors present optimization and efficacy testing of apolipoprotein-based lipid nanoparticles for delivering various nucleic acid therapeutics in vivo to immune cells and their progenitors in the bone marrow.

Oligodendrocyte progenitor cells (OPCs) contribute to developmental synapse elimination in animal models. Here, the authors use a human brain organoid model to demonstrate that that uptake of synapses in a subset of human OPCs depends on growth arrest-specific gene 6 (GAS6)-AXL signaling.

Expression quantitative trait loci (eQTL) analysis in patients with inflammatory bowel disease identify potential target genes for IBD GWAS loci not readily detected in individuals without disease highlighting the importance disease-focused studies.

Avian influenza jumped from wild birds into dairy cattle. Here, the authors report that two mutations in the viral polymerase helped the virus to quickly adapt to cattle. Mutations increased the polymerase activity and made the virus better at replicating in human cells.

Rapid immune activation requires tight control of mRNA stability in CD8⁺ T cells. Here, the authors show that a compositive RNA motif – m⁶A sites positioned next to AU-rich elements - marks mRNAs for rapid decay during activation, revealing a coordinated mechanism that shapes T-cell immunity.

Circulating tumor cell (CTC) clusters are key drivers of metastasis, yet their formation in tumors lacking classical adhesion molecules is unclear. Here, the authors discover that hyaluronic acid promotes homotypic and heterotypic CTC clustering by initiating early cell contacts and stabilizing mature interactions.

Polyamines prevent the action of kinases on acidic phosphorylatable motifs in spliceosomal proteins, thus providing a mechanism for metabolite-mediated regulation of alternative splicing in cells.

An outbreak of MPXV in sooty mangabeys in Côte d’Ivoire was linked to MPXV-infected fire-footed rope squirrels, providing direct evidence of interspecies transmission and indicating risk for zoonotic transmission of MPXV from both hosts.

Efficient nuclear delivery of DNA remains a major challenge in non-viral gene therapy. Here the authors present an improved workflow for generating DNA oligonucleotide-peptide conjugates which are ligated to linear DNA and achieve nuclear localization.

Conventional type 1 dendritic cells (cDC1) can boost the precursor exhausted T cell population thought to be essential for efficacy of immune checkpoint therapy. Here the authors enhance this cellular network using Flt3L to expand cDC1s and then map the movement of T cells and DCs between tumors and lymph nodes.