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Early life exposure to environmental stressors, including endocrine disrupting chemicals (EDCs), can impact health later in life. Here, the authors show that neonatal EDC exposure in rats causes epigenetic reprogramming in the liver, which is transcriptionally silent until animals are placed on a Western-style diet.

A highly potent and selective small-molecule catalytic inhibitor of the protein lysine methyltransferase NSD2 shows therapeutic efficacy in preclinical models of KRAS-driven pancreatic cancer and lung cancer.

A number of histone lysine modifications related to acetylation have been identified, but their functional significance is unclear. Here, the authors use in vitro and in vivo assays to characterize eight acyl histone post-translational modifications and link their abundance with metabolism.

Condensin-depleted mitotic chromosomes compartmentalize and form contacts among regulatory elements despite lacking transcription and most chromatin-associated factors. Heterochromatin protein 1 (HP1) proteins are surprisingly dispensable for compartmentalizing constitutive heterochromatin.

The authors summarize the data produced by phase III of the Encyclopedia of DNA Elements (ENCODE) project, a resource for better understanding of the human and mouse genomes.

Maternal SETD2 deficiency leads to loss of H3K36me3, aberrant DNA methylation and ectopic H3K4me3 and H3K27me3 in mouse oocytes. Maternal depletion of SETD2 causes oocyte defects and subsequent zygotic arrest.

Protein methyltransferases (PMTs) are epigenetic regulatory enzymes with significant therapeutic relevance. Here the authors describe a collection of chemical inhibitors and antagonists to modulate most of the key methylation marks on histones H3 and H4, and use the collection to study of the role of PMTs in mouse and human T cell differentiation.

Here the authors suggest that in Atypical Teratoid Rhabdoid Tumors, EZH2 inhibition triggers a viral mimicry response via the activation of genes with intronic IR-Alu elements. This response also involves enhanced LINE-1 expression, leading to activation of cGAS/STING signalling.

Emergence of the Omicron BA.1/2 SARS-CoV-2 subvariants led to a wave of infection South Africa. Here, the authors use serological data from a prospective household study to characterise infection rates in the context of diverse immune histories following vaccination and exposure to different variants.

Bromodomains are conserved protein interaction modules that recognize acetyl-lysine modifications. Here the authors present a set of 25 selective small molecule inhibitors covering 29 human bromodomain targets and comprehensively evaluate the selectivity of this probe-set.

Epigenetic regulation of gene expression can contribute to diseases such as cancer, inflammation and neuropsychiatric disorders. Here, the authors review the protein families that mediate epigenetic signalling through histone acetylation and methylation, and highlight progress in the pharmacological modulation of each class of proteins.

The p30 isoform of C/EBPα associated with leukemia interacts with WDR5, a component of the SET/MLL histone methyltransferase complex. A small molecule, OICR-9429, disrupted p30-WDR5 interactions, resulting in differentiation of p30-expressing leukemia cells.

Higher-order chromatin structure is temporarily disrupted during mitosis. Here the authors show that loss of the architectural factor CTCF results in failure to form structural loops and leads to inappropriate cis-regulatory contacts and alterations of compartmental interactions after mitosis. Furthermore, they show global 3D architecture is set up without transcription, but that transcription contributes to proper gene domain formation.

Analysis of the dynamics of chromosome reorganization after exit from mitosis reveals the distinct but mutually influential forces that drive chromatin reconfiguration.

Nie et al. describe a mechanism underlying the degradation of the histone methyltransferase NSD2 through the recruitment of FBXO22 E3 ligase, providing a chemical probe for NSD2 function study and targeted protein degradation.

The presence of bivalent epigenetic active and repressive histone marks control lineage-specific differentiation in embryonic stem cells. Here, the authors reveal that bivalent marks repress the differentiation gene IHH in colorectal cancer-initiating cells, and can be targeted by EZH2 inhibition

About 2% of the population are affected by psoriasis, a chronic skin disease with complex genetics. Here Tsoi et al.conduct a meta-analysis of several genome-wide association studies and identify five novel loci, helping to further our understanding of the biology behind this condition.

Insertion of a tissue-invariant chromatin domain boundary into 16 ectopic loci leads to various structural phenotypes, which depend on local chromatin features, CTCF binding and transcriptional status.

Methylation of lysine residues regulates chromatin function in part by recruiting readers to these marks. UNC1215, a selective antagonist of the methyllysine reader L3MBTL3 with a polyvalent mode of interaction, reveals BCLAF1 as a methyllysine-dependent interaction partner for L3MBTL3.

The principal mid-visible light-harvesting system in cyanobacteria is the phycobilisome. Now, using broadband multidimensional spectroscopy, delocalized vibronic excitations and sub-picosecond excitation transfer pathways have been observed in the rods of intact phycobilisomes. An observed kinetic bottleneck in the phycobilisome’s core arises from the intramolecular charge-transfer character of the bilin chromophores, enabling photoregulatory processes to operate on the >10-ps timescale.

The Mouse ENCODE Consortium has mapped transcription, DNase I hypersensitivity, transcription factor binding, chromatin modifications and replication domains throughout the mouse genome in diverse cell and tissue types; these data were compared with those from human to confirm substantial conservation in the newly annotated potential functional sequences and to reveal pronounced divergence of other sequences involved in transcriptional regulation, chromatin state and higher order chromatin organization.

This Opinion article discusses how alterations to epigenetic programmes during development (including in the uterus), which may arise from exposure to hormones, can increase the risk of developing metabolic diseases and cancer in adulthood.

Here, the authors develop an AI tool called MindGlide that can extract key information from brain images acquired as part of the routine care of multiple-sclerosis patients to help interpret treatment effects, which previously required manual analysis.

Calorie availability and extent of food shortages for each nation are estimated following regional or global nuclear war, including impacts on major crops, livestock and fishery production.

Type I PRMT inhibition elicits potent antitumor activity associated with increased interferon response and intron-retained dsRNA accumulation, suggesting its potential combination with immune checkpoint inhibitors for cancer treatment.

Paul Pharoah and colleagues report the results of a large genome-wide association study of ovarian cancer. They identify new susceptibility loci for different epithelial ovarian cancer histotypes and use integrated analyses of genes and regulatory features at each locus to predict candidate susceptibility genes, including OBFC1.

SUV4-20 members mediate the di- and trimethylation of lysine 20 on histone H4. A chemical screen led to the identification of A-196 as a potent and selective inhibitor of SUV4-20 that decreases H4K20 methylation and alters DNA damage response.

DNA damage-induced micronuclei are linked to downstream viral signalling through the cGAS pattern recognition receptor. Here, the authors identify features of micronuclei chromatin that determine cGAS-MN recruitment and associated pathway activation.

The transcriptional regulator PRDM15 is expressed at low levels in normal tissues but overexpressed in B-cell lymphomas. Here, the authors show that PRDM15 depletion does not affect adult somatic cell homeostasis but leads to a metabolic crisis which impairs B-cell lymphomagenesis.

Protein lysine methyltransferases modulate the activities of chromatin and non-chromatin proteins by specific methylation of lysine side chains. A large-scale structure-based design approach has yielded a new chemical probe that potently and selectively inhibits G9a and GLP methyltransferases in cells.

A pyrrolidine-based small-molecule inhibitor competes with H3K27me3 for binding to EED leading to inactivation of PRC2 and global reduction in H3K27me3 levels.

Multi-omic time course experiments reveal intricate biology of salt stress response mechanisms of the historically and industrially relevant algae, Scenedesmus obliquus UTEX393.

In order to design cancer immune therapies, it is important to understand how tumours evade the immune response that is mounted against them. Authors here analyse the distribution and properties of immune cells in hepatocellular carcinoma and describe a progressive tumour-immune co-evolution programme from early to late stage cancer.

The arginine methyltransferase PRMT5 is over-expressed in cancer and has a role in the maintenance of stem cells. Here, the authors show that PRMT5 inhibitors can block the growth of patient derived glioblastoma stem cell cultures in vitro and in vivo, suggesting that PRMT5 inhibition may be a useful therapeutic strategy

Davies et al. show that skin PD-1⁺Vδ1⁺ cells show a transcriptional program of tissue residence and self-renewal, are functionally distinct from colocalized PD-1⁺CD8⁺ T cells and retain effector function that is derepressed by checkpoint blockade.

The anti-apoptotic protein Bcl-2 is selectively expressed in intestinal stem cells (ISCs). Here, the authors show that, in intestinal stem cells, Bcl-2 alleviates apoptotic priming induced by the loss of the tumour suppressor Apc in ISCs and that the absence of Bcl-2 or pharmacological blockade of Bcl-2 can inhibit the intestinal tumorigenesis driven by the Apc-loss.

In the first stage of the BR.36 adaptive trial in patients with non-small cell lung cancer receiving anti-PD1 immunnotherapy, the primary endpoint of concordance between circulating tumor DNA (ctDNA) molecular response and RECIST response was met. The results will inform the second, ctDNA-directed stage.

ESCAPE-seq (enhanced single-chain antigen presentation sequencing) is a massively parallel platform for screening of class I HLA–peptide combinations for antigen presentation. The authors assess more than 75,000 peptide–HLA combinations, revealing presented epitopes from oncogenic driver mutations and fusions across diverse HLA-A, HLA-B and HLA-C alleles.

In this Review, Foulds et al. posit that endocrine-disrupting chemicals are an unappreciated driver of the development and progression of nonalcoholic fatty liver disease. Experimental animal studies supporting this association are discussed, together with the challenges of establishing a causal link in humans.

Sen et al. provide in-depth temporal multi-omic analyses with single-cell RNA-sequencing (scRNA-seq) profiles of nuclear factor kappa B (NF-κB)-regulated gene expression in B cells upon B cell receptor (BCR) activation. Their findings reveal distinct kinetic patterns of gene expression mediated by RelA and Rel and functional antagonism between the closely related NF-κB subunits.

The relationship between wound healing and cancer is intricate and complex. Here, the authors show that in breast cancer models an IL-6 driven co-expression of FAP and HO-1 in tumour-associated macrophages, similar to the wound healing response, facilitates migration and metastatic spread.

In this Perspective, the authors provide an overview of the roles of three genes, PBRM1, SETD2 and BAP1, which are commonly lost with chromosome 3p deletion in patients with clear cell renal cell carcinoma (ccRCC). The authors discuss the implication of these genes in cancer-related pathways and how an improved understanding of these mechanisms might help to develop potential new therapies in ccRCC.

Cancer stem cells are thought to be resistant to anticancer therapies and are able to repopulate tumors and sustain tumor growth. The authors establish BMI-1 as a crucial regulator of cancer cell stemness in colorectal tumors and develop a chemical inhibitor that targets cancer stem cell renewal by reducing the levels of BMI-1. This strategy affords antitumor effects in vitro and in vivo and may pave the way for the precise targeting of elusive cancer stem cells.