127 results found
    1. Cell Biology
    2. Stem Cells and Regenerative Medicine

    Cell-cycle quiescence maintains Caenorhabditis elegans germline stem cells independent of GLP-1/Notch

    Hannah S Seidel, Judith Kimble
    C. elegans germline stem cells become quiescent under starved conditions, and this quiescence maintains the stem cell state even in the absence of GLP-1/Notch signaling, which is otherwise essential for stem cell maintenance.
    1. Developmental Biology
    2. Neuroscience

    Leptin suppresses development of GLP-1 inputs to the paraventricular nucleus of the hypothalamus

    Jessica E Biddinger, Roman M Lazarenko ... Richard Simerly
    Leptin acts cell autonomously on brainstem neurons that express GLP-1 to suppress development of excitatory viscerosensory inputs to the hypothalamus.
    1. Medicine

    Mechano-regulation of GLP-1 production by Piezo1 in intestinal L cells

    Yanling Huang, Haocong Mo ... Geyang Xu
    Experimental results suggest a previously unknown regulatory mechanism for GLP-1 production in L cells, which could offer new insights into diabetes treatments.
    1. Cell Biology

    Mucosal absorption of therapeutic peptides by harnessing the endogenous sorting of glycosphingolipids

    Maria Daniela Garcia-Castillo, Daniel J-F Chinnapen ... Wayne I Lencer
    Non-native synthetic short-chain glycosphingolipids fused to GLP-1 enable intestinal absorption with high bioavailability in vivo.
    1. Cell Biology
    2. Stem Cells and Regenerative Medicine

    C. elegans GLP-1/Notch activates transcription in a probability gradient across the germline stem cell pool

    ChangHwan Lee, Erika B Sorensen ... Judith Kimble
    Analyzing the readout of Notch signaling with single RNA precision reveals that active transcription sites are the most accurate measure of Notch-dependent transcriptional activation.
    1. Biochemistry and Chemical Biology

    Optical tools for visualizing and controlling human GLP-1 receptor activation with high spatiotemporal resolution

    Loïc Duffet, Elyse T Williams ... Tommaso Patriarchi
    A genetically encoded sensor and a photocaged peptide together enable precise investigation of human glucagon-like peptide-1 receptor activation with high spatiotemporal resolution.
    1. Cell Biology

    Spatiotemporal regulation of autophagy during Caenorhabditis elegans aging

    Jessica T Chang, Caroline Kumsta ... Malene Hansen
    Autophagic flux assays in the nematode Caenorhabditis elegans suggest that autophagy decreases during normal aging, whereas long-lived daf-2 and glp-1 mutants maintain autophagic capacity in distinct spatiotemporal-specific manners to extend lifespan.
    1. Developmental Biology

    Increasing Notch signaling antagonizes PRC2-mediated silencing to promote reprograming of germ cells into neurons

    Stefanie Seelk, Irene Adrian-Kalchhauser ... Rafal Ciosk
    Increased Notch signaling enhances germ cell reprograming in C. elegans by antagonizing PRC2-mediated repression, which results in the activation of UTX-1 and other reprograming-promoting genes.
    1. Cell Biology
    2. Medicine

    MS-275, a class 1 histone deacetylase inhibitor augments glucagon-like peptide-1 receptor agonism to improve glycemic control and reduce obesity in diet-induced obese mice

    Shilpak Bele, Shravan Babu Girada ... Prasenjit Mitra
    Class 1 histone deacetylase (HDAC) inhibitor MS-275 enhances the efficacy of glucagon-like peptide 1 receptor (GLP-1R) therapy for glycemic control and reduction of obesity.
    1. Developmental Biology
    2. Genetics and Genomics

    Somatic aging pathways regulate reproductive plasticity in Caenorhabditis elegans

    Maria C Ow, Alexandra M Nichitean, Sarah E Hall
    Somatic aging and germline RNAi pathways promote inheritance of ancestral starvation memory through reallocation of fat storage in Caenorhabditis elegans.

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