Tags | Diagenode

HIRA protects telomeres against R-loop-induced instability in ALT cancer cells
Published: November, 2024

Abstract: Highlights HIRA establishes greater telomeric chromatin accessibility after ATRX-DAXX loss Deposition of new H3.3 by HIRA-UBN restricts telomeric ssDNA and TERRA R-loops Unresolved TERRA R-loops block new H3.3 depositi...
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Engineered PsCas9 enables therapeutic genome editing in mouse liver with lipid nanoparticles
Published: November, 2024

Abstract: Clinical implementation of therapeutic genome editing relies on efficient in vivo delivery and the safety of CRISPR-Cas tools. Previously, we identified PsCas9 as a Type II-B family enzyme capable of editing mouse liver genome upon adenoviral deli...
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ARMC5 selectively degrades SCAP-free SREBF1 and is essential for fatty acid desaturation in adipocytes
Published: November, 2024

Abstract: SREBF1 plays the central role in lipid metabolism. It has been known that full-length SREBF1 that did not associate with SCAP (SCAP-free SREBF1) is actively degraded, but its molecular mechanism and its biological meaning remain unclear. ARMC5-CUL...
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HNF1β bookmarking involves Topoisomerase 1 activation and DNA topology relaxation in mitotic chromatin
Published: October, 2024

Abstract: Highlights HNF1β mitotic site binding is preserved with a specific methanol/formaldehyde ChIP BTBD2, an HNF1β partner, mediates mitosis-specific interaction with TOP1 HNF1β recruits TOP1 and induces DNA ...
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Auto-expansion of in vivo HDAd-transduced hematopoietic stem cells by constitutive expression of tHMGA2
Published: September, 2024

Abstract: We developed an in vivo hematopoietic stem cell (HSC) gene therapy approach that does not require cell transplantation. To achieve therapeutically relevant numbers of corrected cells, we constructed HSC-tropic HDAd5/35++ vectors exp...
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Nuclear lamin A/C phosphorylation by loss of androgen receptor leads to cancer-associated fibroblast activation
Published: September, 2024

Abstract: Alterations in nuclear structure and function are hallmarks of cancer cells. Little is known about these changes in Cancer-Associated Fibroblasts (CAFs), crucial components of the tumor microenvironment. Loss of the androgen receptor (AR) in ...
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A critical role for HNF4α in polymicrobial sepsis-associated metabolic reprogramming and death
Published: September, 2024

Abstract: In sepsis, limited food intake and increased energy expenditure induce a starvation response, which is compromised by a quick decline in the expression of hepatic PPARα, a transcription factor essential in intracellular catabolism of free fa...
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Detection of genome structural variation in normal cells and tissues by single molecule sequencing
Published: August, 2024

Abstract: Detecting somatic mutations in normal cells and tissues is notoriously challenging due to their low abundance, orders of magnitude below the sequencing error rate. While several techniques, such as single-cell and single-molecule sequencing, have ...
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High-throughput sequencing of insect specimens with sub-optimal DNA preservation using a practical, plate-based Illumina-compatible Tn5 transposase library preparation method
Published: March, 2024

Abstract: Entomological sampling and storage conditions often prioritise efficiency, practicality and conservation of morphological characteristics, and may therefore be suboptimal for DNA preservation. This practice can impact downstream molecular applicat...
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Technical considerations for cost-effective transposon directed insertion-site sequencing (TraDIS)
Published: March, 2024

Abstract: Transposon directed insertion-site sequencing (TraDIS), a variant of transposon insertion sequencing commonly known as Tn-Seq, is a high-throughput assay that defines essential bacterial genes across diverse growth conditions. However, the variabi...
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On the identification of differentially-active transcription factors from ATAC-seq data
Published: March, 2024

Abstract: ATAC-seq has emerged as a rich epigenome profiling technique, and is commonly used to identify Transcription Factors (TFs) underlying given phenomena. A number of methods can be used to identify differentially-active TFs through the accessibility ...
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Cellular reprogramming in vivo initiated by SOX4 pioneer factor activity
Published: February, 2024

Abstract: Tissue damage elicits cell fate switching through a process called metaplasia, but how the starting cell fate is silenced and the new cell fate is activated has not been investigated in animals. In cell culture, pioneer transcription factors media...
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Plasticity-induced repression of Irf6 underlies acquired resistance to cancer immunotherapy in pancreatic ductal adenocarcinoma
Published: February, 2024

Abstract: Acquired resistance to immunotherapy remains a critical yet incompletely understood biological mechanism. Here, using a mouse model of pancreatic ductal adenocarcinoma (PDAC) to study tumor relapse following immunotherapy-induced responses, we fin...
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Improved metagenome assemblies through selective enrichment of bacterial genomic DNA from eukaryotic host genomic DNA using ATAC-seq
Published: February, 2024

Abstract: Genomics can be used to study the complex relationships between hosts and their microbiota. Many bacteria cannot be cultured in the laboratory, making it difficult to obtain adequate amounts of bacterial DNA and to limit host DNA contamination for...
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CompDuplex: Accurate detection of somatic mutations by duplex-seq with comprehensive genome coverage
Published: January, 2024

Abstract: Somatic mutations continuously accumulate in the human genome, posing vulnerabilities towards aging and increased risk of various diseases. However, accurate detection of somatic mutations at the whole genome scale is still cha...
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Integrative functional genomic analyses identify genetic variants influencing skin pigmentation in Africans
Published: January, 2024

Abstract: Skin color is highly variable in Africans, yet little is known about the underlying molecular mechanism. Here we applied massively parallel reporter assays to screen 1,157 candidate variants influencing skin pigmentation in Africans and identified...
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The ncBAF complex regulates transcription in AML through H3K27ac sensing by BRD9
Published: December, 2023

Abstract: The non-canonical BAF complex (ncBAF) subunit BRD9 is essential for acute myeloid leukemia (AML) cell viability but has an unclear role in leukemogenesis. Because BRD9 is required for ncBAF complex assembly through its DUF3512 domain, precise brom...
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ARID1A governs the silencing of sex-linked transcription during male meiosis in the mouse
Published: September, 2023

Abstract: We present evidence implicating the BAF (BRG1/BRM Associated Factor) chromatin remodeler in meiotic sex chromosome inactivation (MSCI). By immunofluorescence (IF), the putative BAF DNA binding subunit, ARID1A (AT-rich Interaction Domain 1a), appea...
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A Type II-B Cas9 nuclease with minimized off-targets and reduced chromosomal translocations in vivo
Published: September, 2023

Abstract: Streptococcus pyogenes Cas9 (SpCas9) and derived enzymes are widely used as genome editors, but their promiscuous nuclease activity often induces undesired mutations and chromosomal rearrangements. Several strategies for mapping off-targe...
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Combined Analysis of mRNA Expression and Open Chromatin in Microglia
Published: August, 2023

Abstract: The advance of single-cell RNA-sequencing technologies in the past years has enabled unprecedented insights into the complexity and heterogeneity of microglial cell states in the homeostatic and diseased brain. This includes rather complex proteom...
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Volumetric imaging of an intact organism by a distributed molecular network
Published: August, 2023

Abstract: Lymphatic, nervous, and tumoral tissues, among others, exhibit physiology that emerges from three-dimensional interactions between genetically unique cells. A technology capable of volumetrically imaging transcriptomes, genotypes, and morphologies...
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Zfp296 knockout enhances chromatin accessibility and induces a uniquestate of pluripotency in embryonic stem cells.
Published: July, 2023

Abstract: The Zfp296 gene encodes a zinc finger-type protein. Its expression is high in mouse embryonic stem cells (ESCs) but rapidly decreases following differentiation. Zfp296-knockout (KO) ESCs grew as flat colonies, which were reverted to rounded coloni...
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Spatial epigenome-transcriptome co-profiling of mammalian tissues.
Published: April, 2023

Abstract: Emerging spatial technologies, including spatial transcriptomics and spatial epigenomics, are becoming powerful tools for profiling of cellular states in the tissue context. However, current methods capture only one layer of omics information at a...
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YAP/BRD4-controlled ROR1 promotes tumor-initiating cells andhyperproliferation in pancreatic cancer.
Published: April, 2023

Abstract: Tumor-initiating cells are major drivers of chemoresistance and attractive targets for cancer therapy, however, their identity in human pancreatic ductal adenocarcinoma (PDAC) and the key molecules underlying their traits remain poorly understood....
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Analyzing genomic and epigenetic profiles in single cells by hybridtransposase (scGET-seq).
Published: March, 2023

Abstract: scGET-seq simultaneously profiles euchromatin and heterochromatin. scGET-seq exploits the concurrent action of transposase Tn5 and its hybrid form TnH, which targets H3K9me3 domains. Here we present a step-by-step protocol to profile single cells ...
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A neurodevelopmental epigenetic programme mediated bySMARCD3-DAB1-Reelin signalling is hijacked to promote medulloblastomametastasis.
Published: February, 2023

Abstract: How abnormal neurodevelopment relates to the tumour aggressiveness of medulloblastoma (MB), the most common type of embryonal tumour, remains elusive. Here we uncover a neurodevelopmental epigenomic programme that is hijacked to induce MB metastat...
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Imaging Chromatin Accessibility by Assay ofTransposase-Accessible Chromatin with Visualization.
Published: January, 2023

Abstract: Chromatin accessibility is one of the fundamental structures regulating genome functions including transcription and DNA repair. Recent technological advantages to analyze chromatin accessibility begun to explore the dynamics of local chromatin st...
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Physiological reprogramming in vivo mediated by Sox4 pioneer factoractivity
Published: January, 2023

Abstract: Tissue damage elicits cell fate switching through a process called metaplasia, but how the starting cell fate is silenced and the new cell fate is activated has not been investigated in animals. In cell culture, pioneer transcription factors media...
Read more »

Mouse kidney nuclear isolation and library preparation for single-cell combinatorial indexing RNA sequencing
Published: December, 2022

Abstract: Single-cell combinatorial indexing RNA sequencing (sci-RNA-seq3) enables high-throughput single-nucleus transcriptomic profiling of multiple samples in one experiment. Here, we describe an optimized protocol of mouse kidney nuclei isolation and sc...
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EBF1 is continuously required for stabilizing local chromatinaccessibility in pro-B cells.
Published: November, 2022

Abstract: The establishment of de novo chromatin accessibility in lymphoid progenitors requires the "pioneering" function of transcription factor (TF) early B cell factor 1 (EBF1), which binds to naïve chromatin and induces accessibility by recruiting ...
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Optimized single-nucleus transcriptional profiling by combinatorialindexing.
Published: October, 2022

Abstract: Single-cell combinatorial indexing RNA sequencing (sci-RNA-seq) is a powerful method for recovering gene expression data from an exponentially scalable number of individual cells or nuclei. However, sci-RNA-seq is a complex protocol that has histo...
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Spatial profiling of chromatin accessibility in mouse and human tissues
Published: August, 2022

Abstract: Cellular function in tissue is dependent on the local environment, requiring new methods for spatial mapping of biomolecules and cells in the tissue context1. The emergence of spatial transcriptomics has enabled genome-scale gene expression m...
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Spatially resolved epigenome-transcriptome co-profiling of mammalian tissues at the cellular level
Published: June, 2022

Abstract: Emerging spatial technologies including spatial transcriptomics and spatial epigenomics are becoming powerful tools for profiling cellular states in the tissue context. However, current methods capture only one layer of omics information at a time...
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Reverse-transcribed SARS-CoV-2 RNA can integrate into the genome of cultured human cells and can be expressed in patient-derived tissues
Published: May, 2021

Abstract: Prolonged detection of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) RNA and recurrence of PCR-positive tests have been widely reported in patients after recovery from COVID-19, but some of these patients do not appear to shed infec...
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T-RHEX-RNAseq – A tagmentation-based, rRNA blocked, randomhexamer primed RNAseq method for generating stranded RNAseq librariesdirectly from very low numbers of lysed cells

Abstract: Background: RNA sequencing has become the mainstay for studies of gene expression. Still, analysis of rare cells with random hexamer priming – to allow analysis of a broader range of transcripts – remains challenging. Results: We here ...
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