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Citation of prior publications is essential both to claim that knowledge is needed in your area of research and to establish that you have indeed advanced understanding substantially in that area. The journal deplores and will decline to consider manuscripts that fail to identify the key findings of published articles and that—deliberately or inadvertently—omit the reason the prior work is cited.
High-resolution maps of enhancer–promoter interactions in rare primary human T cell subsets and coronary artery smooth muscle cells link variants associated with autoimmune and cardiovascular diseases to target genes. This represents an important step forward for mapping genes involved in complex diseases.
Human-derived tumor models are becoming popular in the context of personalized medicine, but a new study shows that these models could be less representative of primary tumors than previously thought, particularly when using late passages.
This large-scale analysis of copy number alterations (CNAs) in patient-derived xenografts (PDXs) across 24 cancer types shows that new CNAs accumulate quickly and that the specific CNAs acquired during passaging differ from those acquired during tumor evolution in patients, suggesting that PDX tumors are under distinct selection pressures from tumors in human hosts.
A genome-wide association analysis using data from Chinese individuals combined with a transethnic meta-analysis of Psychiatry Genomics Consortium data identifies 30 new loci for schizophrenia. These analyses improve the fine-mapping of susceptibility loci and implicate multiple pathways in schizophrenia biology.
Danielle Posthuma and colleagues report a genome-wide association analysis for insomnia complaints in 113,006 individuals from the UK Biobank that identifies associations with variants near seven genes. They find evidence for sex-specific genetic architectures underlying genetic risk for insomnia and genetic correlations between insomnia complaints and psychiatric and metabolic traits.
Exome sequencing of 2,871 probands with congenital heart disease (CHD) provides new insights into the genetic architecture of these disorders. The results implicate new genes in CHD pathogenesis and highlight striking overlap between genes with damaging de novo mutations in individuals with CHD and autism.
High-resolution contact maps of active enhancers and target genes generated by H3K27ac HiChIP in primary human cells provide rational guides to link noncoding disease-associated risk variants to candidate causal genes. Genes are validated by CRISPR activation and interference at connected enhancers and eQTL analysis, leading to a fourfold increase in the number of potential target genes for autoimmune and cardiovascular diseases.
Loss of BAF47 destabilizes the BAF complex on chromatin, and reintroduction of BAF47 leads to enhancer activation and Polycomb opposition at bivalent promoters. BAF47 loss affects BAF and PBAF complexes, which have distinct functions in regulation of enhancers and promoters.
Lineage-tracing experiments in the mouse show that Lgr6, but not Lgr5, functions as a cancer stem marker in skin squamous cell carcinomas (SCCs). The authors also show that Lgr6-knockout mice are predisposed to SCC development, through a mechanism that includes compensatory upregulation of Lgr5.
The assembly of the durian genome provides insights into the unique flavor profile of this tropical fruit. Transcriptome and metabolome analyses show that methionine γ-lyase is upregulated and that volatile sulfur compounds are produced during ripening.
Missense mutations affecting lysine 91 in the histone H4 core cause a developmental syndrome marked by growth delay, microcephaly and intellectual disability. These mutations cause genomic instability by interfering with H4K91 ubiquitination, leading to abnormal cell cycle progression and apoptosis during early development.
Ali Shilatifard and colleagues generate Drosophila lines expressing catalytically deficient Trr, which normally deposits H3K4me1 at enhancers. Trr mutants undergo normal development and show minimal changes in gene expression.
Graphtyper is a fast and scalable method for variant genotyping that aligns short-read sequence data to a pangenome. Graphtyper was able to accurately genotype ∼90 million sequence variants in the whole genomes of ∼28,000 Icelanders, including those in six HLA genes.
