291 results found
    1. Evolutionary Biology

    Stochastic parabolic growth promotes coexistence and a relaxed error threshold in RNA-like replicator populations

    Mátyás Paczkó, Eörs Szathmáry, András Szilágyi
    An individual-based model framework of sub-exponentially growing replicator systems suggests that parabolic dynamics could have been able to maintain genetic diversity and circumvent the error threshold problem during early evolution.
    1. Genetics and Genomics

    Hypoxia-inducible factor induces cysteine dioxygenase and promotes cysteine homeostasis in Caenorhabditis elegans

    Kurt Warnhoff, Sushila Bhattacharya ... Gary Ruvkun
    Cysteine dioxygenase, a conserved and critical enzyme in sulfur amino acid metabolism, is activated by the hypoxia-inducible transcription factor.
    1. Cell Biology
    2. Developmental Biology

    Extensive alternative splicing transitions during postnatal skeletal muscle development are required for calcium handling functions

    Amy E Brinegar, Zheng Xia ... Thomas A Cooper
    Global transcriptome changes, particularly alternative splicing, are highly dynamic the first 2 weeks after birth, and the example of calcineurin A splicing exemplifies the importance of alternative splicing during skeletal muscle development.
    1. Cancer Biology
    2. Developmental Biology

    An NKX2-1/ERK/WNT feedback loop modulates gastric identity and response to targeted therapy in lung adenocarcinoma

    Rediet Zewdu, Elnaz Mirzaei Mehrabad ... Eric L Snyder
    Genetically engineered murine models reveal novel mechanisms of cell identity regulation in lung cancer and provide insights into the complex interplay between lineage specifiers and oncogenic signaling pathways in this disease.
    1. Neuroscience

    Intrinsic monitoring of learning success facilitates memory encoding via the activation of the SN/VTA-Hippocampal loop

    Pablo Ripollés, Josep Marco-Pallarés ... Toemme Noesselt
    Self-motivated learning in the absence of external feedback can recruit the same brain network as reward-driven learning.
    1. Neuroscience

    Against cortical reorganisation

    Tamar R Makin, John W Krakauer
    A critical re-evaluation of some of the quintessential examples given as evidence for cortical reorganisation argues that, contrary to the prevalent view, any opportunities for functional change in cortical organisation are incremental and constrained by the underlying structural ‘blueprint'.
    1. Computational and Systems Biology

    Homeostasis, injury, and recovery dynamics at multiple scales in a self-organizing mouse intestinal crypt

    Louis Gall, Carrie Duckworth ... Carmen Pin
    Novel modelling strategies can integrate the dynamics of processes regulating the intestinal epithelium at multiple scales in homeostasis and following perturbations to provide unprecedented insights into the biology of the epithelium and support the development of safer novel drug candidates.
    1. Neuroscience

    Concurrent decoding of distinct neurophysiological fingerprints of tremor and bradykinesia in Parkinson’s disease

    Peter M Lauro, Shane Lee ... Wael F Asaad
    Motor signs of Parkinson’s disease such as tremor and bradykinesia are independently expressed and exhibit distinct signatures of neural activity that can independently decoded from subthalamic and cortical recordings using interpretable machine learning.
    1. Medicine

    Sperm fertility in mice with oligo-astheno-teratozoospermia restored by in vivo injection and electroporation of naked mRNA

    Charline Vilpreux, Guillaume Martinez ... Jessica Escoffier
    Revised
    Reviewed Preprint v2
    Updated
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    1. Immunology and Inflammation

    Cell-density independent increased lymphocyte production and loss rates post-autologous HSCT

    Mariona Baliu-Piqué, Vera van Hoeven ... Kiki Tesselaar
    Altered lymphocyte dynamics after hematopoietic stem cell transplantation cannot solely be explained by low lymphocyte numbers.

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