8,635 results found
    1. Microbiology and Infectious Disease

    Flexible nitrogen utilisation by the metabolic generalist pathogen Mycobacterium tuberculosis

    Aleksandra Agapova, Agnese Serafini ... Luiz Pedro Sório de Carvalho
    Metabolomics and stable isotope labelling studies of virulent Mycobacterium tuberculosis reveal a de-centralised metabolic network able to utilise various amino acids as nitrogen sources to a better extent than ammonium.
    1. Chromosomes and Gene Expression
    2. Computational and Systems Biology

    Genome-wide Estrogen Receptor-α activation is sustained, not cyclical

    Andrew N Holding, Amy E Cullen, Florian Markowetz
    Activation of the Estrogen Receptor by estra-2-diol results in sustained binding and the previously described cyclical response kinetics are likely an artefact of observing a highly variable process without replicates.
    1. Chromosomes and Gene Expression

    Co-transcriptional R-loops are the main cause of estrogen-induced DNA damage

    Caroline Townsend Stork, Michael Bocek ... Karlene A Cimprich
    The transcriptional response elicited by the hormone estrogen leads to DNA double-strand breaks by promoting R-loop formation in breast cancer cells.
    1. Plant Biology

    A guanosine tetraphosphate (ppGpp) mediated brake on photosynthesis is required for acclimation to nitrogen limitation in Arabidopsis

    Shanna Romand, Hela Abdelkefi ... Ben Field
    Guanosine tetraphosphate (ppGpp) is a pivotal regulator of chloroplast activity that is required for acclimation to nitrogen limitation in the model plant Arabidopsis.
    1. Cancer Biology
    2. Neuroscience

    Estrogen receptor alpha in the brain mediates tamoxifen-induced changes in physiology in mice

    Zhi Zhang, Jae Whan Park ... Stephanie M Correa
    Estrogen receptor alpha in the hypothalamus is required for the effects of chronic tamoxifen treament on gene expression, thermoregulation, bone, and movement in mice.
    1. Chromosomes and Gene Expression

    The transcription factor FOXL2 mobilizes estrogen signaling to maintain the identity of ovarian granulosa cells

    Adrien Georges, David L'Hôte ... Reiner A Veitia
    FOXL2 maintenance of ovarian identity is not solely due to a simple direct repression of Sox9 but to the mobilization of estrogen signalling by FOXL2.
    1. Developmental Biology
    2. Immunology and Inflammation

    Estrogen exacerbates mammary involution through neutrophil-dependent and -independent mechanism

    Chew Leng Lim, Yu Zuan Or ... Valerie Chun Ling Lin
    Estrogen aggravates mammary involution through lysosome-mediated cell death, neutrophil recruitment via CXCR2 signalling, neutrophil-mediated inflammation and adipocyte repopulation.
    1. Structural Biology and Molecular Biophysics
    2. Chromosomes and Gene Expression

    Resveratrol modulates the inflammatory response via an estrogen receptor-signal integration network

    Jerome C Nwachukwu, Sathish Srinivasan ... Kendall W Nettles
    Anti-inflammatory effects of resveratrol are mediated by the estrogen receptor to coordinate a complex array of transcriptional coregulators, suggesting that estrogenic effects must be considered in the complex polypharmacology of resveratrol.
    1. Developmental Biology

    Oviductal estrogen receptor α signaling prevents protease-mediated embryo death

    Wipawee Winuthayanon, Miranda L Bernhardt ... Carmen J Williams
    Cyclic estrogen signaling in oviduct epithelial cells suppresses oviduct luminal protease activity to allow survival and development of preimplantation embryos
    1. Biochemistry and Chemical Biology
    2. Cancer Biology

    Stereospecific lasofoxifene derivatives reveal the interplay between estrogen receptor alpha stability and antagonistic activity in ESR1 mutant breast cancer cells

    David J Hosfield, Sandra Weber ... Sean W Fanning
    Effective antiestrogens engage a new structural interaction to improve therapeutic antagonism in hormone-resistant breast cancer cells expressing Y537S estrogen receptor alpha.

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