962 results found
    1. Cell Biology

    Epigenetics: How does obesity lead to insulin resistance?

    Chan Hee J Choi, Paul Cohen
    Experiments on mice show that an enzyme called DNA methyltransferase 3a is involved in insulin resistance via an epigenetic mechanism.
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    1. Neuroscience

    Uncovering the functional anatomy of the human insula during speech

    Oscar Woolnough et al.
    Direct insular recordings in humans reveal that contrary to several prominent models of speech production, it is not engaged in pre-articulatory planning, but in auditory and somatosensory components of speech.
    1. Developmental Biology

    Drosophila neprilysins control insulin signaling and food intake via cleavage of regulatory peptides

    Benjamin Hallier et al.
    The catalytic activity of a Drosophila neprilysin is critical to proper insulin expression and food intake by regulating homeostasis of distinct signaling peptides.
    1. Developmental Biology
    2. Neuroscience

    Delivery of circulating lipoproteins to specific neurons in the Drosophila brain regulates systemic insulin signaling

    Marko Brankatschk et al.
    Yeast specific lipids promote the transport of lipid transfer protein (LTP) across the blood brain barrier to the neurons that regulate systemic insulin signaling.
    1. Cell Biology

    Dnmt3a is an epigenetic mediator of adipose insulin resistance

    Dongjoo You et al.
    Mouse and tissue culture studies reveal that adipose DNA methyltransferase 3a mediates insulin resistance, partially through repressing the expression of FGF21.
    1. Developmental Biology
    2. Chromosomes and Gene Expression

    The Drosophila HNF4 nuclear receptor promotes glucose-stimulated insulin secretion and mitochondrial function in adults

    William E Barry, Carl S Thummel
    Drosophila HNF4 directs a developmental switch at the onset of adulthood that suppresses diabetes by promoting mitochondrial function and supporting glucose-stimulated insulin secretion.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    The insulin receptor cellular IRES confers resistance to eIF4A inhibition

    Calla M Olson et al.
    Utilizing a conserved mechanism, a ribosome can initiate translation from a site within the insulin receptor mRNA to maintain protein synthesis even when standard mechanisms of initiating translation have been inhibited by stress.
    1. Developmental Biology

    Electron transport chain biogenesis activated by a JNK-insulin-Myc relay primes mitochondrial inheritance in Drosophila

    Zong-Heng Wang et al.
    An insulin-Myc feed-forward loop triggered by transient JNK boosts transcription of genes essential for mitochondrial respiration and biogenesis during early oogenesis to support massive mtDNA replication and inheritance in Drosophila.
    1. Genetics and Genomics

    Insulin-like peptides and the mTOR-TFEB pathway protect Caenorhabditis elegans hermaphrodites from mating-induced death

    Cheng Shi et al.
    Hermaphroditic Caenorhabditis elegans slow the onset of mating-induced death through self-sperm-regulated insulin-like gene expression, which regulates the activity of the IIS/FOXO pathway, mTOR signaling, and the TFEB/HLH-30 transcription factor.
    1. Human Biology and Medicine
    2. Neuroscience

    Insulin regulates POMC neuronal plasticity to control glucose metabolism

    Garron T Dodd et al.
    Feeding and fasting associated alterations in proopiomelanocortin neuronal responses to insulin coordinate glucose metabolism.

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