697 results found
    1. Neuroscience

    Insulin sensitivity in mesolimbic pathways predicts and improves with weight loss in older dieters

    Lena J Tiedemann, Sebastian M Meyhöfer ... Stefanie Brassen
    Insulinergic neuromodulation of hedonic food processing predicts future weight management and improves with weight loss in older overweight dieters.
    1. Cell Biology

    LRG1 is an adipokine that promotes insulin sensitivity and suppresses inflammation

    Chan Hee J Choi, William Barr ... Paul Cohen
    Profiling the adipocyte secretome reveals LRG1 as a novel adipokine that promotes insulin sensitivity and modulates inflammation triggered by release of cytochrome c from dead/dying cells, describing a new pathway at the intersection of obesity and its systemic sequelae.
    1. Cell Biology

    Insulin sensitivity is preserved in mice made obese by feeding a high starch diet

    Amanda E Brandon, Lewin Small ... Gregory J Cooney
    Mice made obese by feeding a high starch diet do not develop insulin resistance like mice made similarly obese by a high fat diet and this is associated with differences in specific bioactive ceramide species in liver and muscle tissue.
    1. Developmental Biology
    2. Genetics and Genomics

    An alternatively spliced, non-signaling insulin receptor modulates insulin sensitivity via insulin peptide sequestration in C. elegans

    Bryan A Martinez, Pedro Reis Rodrigues ... Matthew S Gill
    A truncated, non-signaling insulin receptor regulates insulin sensitivity in the nematode C. elegans by sequestering insulin peptides and preventing their interaction with full length receptors.
    1. Medicine

    Directing visceral white adipocyte precursors to a thermogenic adipocyte fate improves insulin sensitivity in obese mice

    Chelsea Hepler, Mengle Shao ... Rana K Gupta
    Genetic inactivation of the transcription factor, Zfp423, in visceral white adipocyte precursors leads to the formation of thermogenic adipocytes in visceral fat depots and improves insulin sensitivity in obese mice.
    1. Developmental Biology

    Targeting senescent cells enhances adipogenesis and metabolic function in old age

    Ming Xu, Allyson K Palmer ... James L Kirkland
    Senescent cells contribute to age-related fat dysfunction and can directly impair healthy fat progenitor function, in part, via the secretion of activin A.
    1. Cell Biology

    Mitochondrial CoQ deficiency is a common driver of mitochondrial oxidants and insulin resistance

    Daniel J Fazakerley, Rima Chaudhuri ... David E James
    Lower mitochondrial coenzyme Q was a consistent feature across multiple in vitro and in vivo models of insulin resistance and was sufficient to cause insulin resistance through increased mitochondrial oxidants.
    1. Developmental Biology

    Hedgehog signaling via Gli2 prevents obesity induced by high-fat diet in adult mice

    Yu Shi, Fanxin Long
    Targeted activation of Hedgehog signalling via Gli2 facilitated the reduction of high-fat-diet-induced obesity and improvement of whole-body glucose tolerance and insulin sensitivity in adult mice.
    1. Cell Biology

    Diet-induced loss of adipose hexokinase 2 correlates with hyperglycemia

    Mitsugu Shimobayashi, Amandine Thomas ... Michael N Hall
    A proteomics screening in mouse adipose tissue shows that loss of adipose Hexokinase 2 is a mechanism of obesity-induced insulin insensitivity.
    1. Neuroscience

    Blocking Kir6.2 channels with SpTx1 potentiates glucose-stimulated insulin secretion from murine pancreatic β cells and lowers blood glucose in diabetic mice

    Yajamana Ramu, Jayden Yamakaze ... Zhe Lu
    The centipede peptide toxin SpTx1 blocks the pore of ATP-sensitive potassium channels in pancreatic β cells to markedly enhance insulin secretion and mitigate hyperglycemia in diabetic mice insensitive to the anti-diabetic sulfonylurea glibenclamide.

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