3,628 results found
    1. Physics of Living Systems

    Predictive modeling reveals that higher-order cooperativity drives transcriptional repression in a synthetic developmental enhancer

    Yang Joon Kim, Kaitlin Rhee ... Hernan G Garcia
    The combination of theoretical modeling and quantitative live imaging revealed that the repressor proteins work cooperatively or anti-cooperatively depending on enhancer architecture.
    1. Developmental Biology
    2. Chromosomes and Gene Expression

    Mapping cell type-specific transcriptional enhancers using high affinity, lineage-specific Ep300 bioChIP-seq

    Pingzhu Zhou, Fei Gu ... William T Pu
    A method for measuring p300 chromatin occupancy in specific lineages of mouse tissues was used to map endothelial enhancers and to identify previously unrecognized angiogenesis-related sequence motifs.
    1. Developmental Biology
    2. Genetics and Genomics

    GLI transcriptional repression regulates tissue-specific enhancer activity in response to Hedgehog signaling

    Rachel K Lex, Zhicheng Ji ... Steven A Vokes
    GLI3 represses Hedgehog target gene expression by regulating histone modifications at a subset of tissue-specific GLI-bound enhancers.
    1. Chromosomes and Gene Expression
    2. Developmental Biology

    Multi-enhancer transcriptional hubs confer phenotypic robustness

    Albert Tsai, Mariana RP Alves, Justin Crocker
    Multiple enhancers in physical proximity can reinforce shared transcriptional 'hubs' to preserve their transcriptional output, providing a buffer during environmental stresses and genetic perturbations to preserve phenotypic robustness.
    1. Chromosomes and Gene Expression

    The transcriptional cofactor TRIM33 prevents apoptosis in B lymphoblastic leukemia by deactivating a single enhancer

    Eric Wang, Shinpei Kawaoka ... Christopher R Vakoc
    TRIM33 performs an essential function in B cell acute lymphoblastic leukemia through an association with a single cis element.
    1. Cancer Biology
    2. Chromosomes and Gene Expression

    Loss of Kat2a enhances transcriptional noise and depletes acute myeloid leukemia stem-like cells

    Ana Filipa Domingues, Rashmi Kulkarni ... Cristina Pina
    Histone acetyl-transferase Kat2a preserves leukemia stem cells through frequent transcriptional firing of metabolic and regulatory gene promoters and maintenance of a largely invariant self-renewal program.
    1. Developmental Biology

    In vivo study of gene expression with an enhanced dual-color fluorescent transcriptional timer

    Li He, Richard Binari ... Norbert Perrimon
    A simple and effective method facilitates the study of in vivo transcriptional dynamics using transcriptional enhancers and destabilized fluorescent protein, which is suitable for both live imaging and fixed studies.
    1. Stem Cells and Regenerative Medicine

    ETS family transcriptional regulators drive chromatin dynamics and malignancy in squamous cell carcinomas

    Hanseul Yang, Daniel Schramek ... Elaine Fuchs
    Transcription factors of the ETS family govern a cohort of key cancer-associated regulators of malignancy in squamous cell carcinomas.
    1. Neuroscience

    Temporally specific gene expression and chromatin remodeling programs regulate a conserved Pdyn enhancer

    Robert A Phillips, Ethan Wan ... Jeremy J Day
    Identification of activity-dependent transcriptional changes in striatal neurons reveals a conserved functional enhancer for prodynorphin.
    1. Chromosomes and Gene Expression

    Sustained TNF-α stimulation leads to transcriptional memory that greatly enhances signal sensitivity and robustness

    Zuodong Zhao, Zhuqiang Zhang ... Bing Zhu
    Sustained TNF-α induction consolidates transcriptional memory for faster, stronger, and more sensitive subsequent induction in an active DNA demethylation-dependent manner for memory genes including CALCB, a therapeutic target for migraine.

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