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Nathan Goodyear

The role of long chain fatty acids in regulating food intake and cholecystokinin releas... - 0 views

www.ncbi.nlm.nih.gov/...PMC1727908

LCFA long-chain fatty acids cholecystokinin calorie restriction calorie obesity overweight food intake

shared by Nathan Goodyear on 11 Jun 12 - No Cached
  • Nathan Goodyear on 11 Jun 12
     
    long chain fatty acids (LCFA), associated with decreased calorie intake.  This occurs through up regulation/release of cholecystokinin.
Nathan Goodyear

Chronic exposure to Low dose bacterial lipopolysaccharide inhibits leptin signaling in ... - 0 views

www.ncbi.nlm.nih.gov/...PMC4523075

LPS lipopolysaccharides leptin CCK cholecystokinin metabolism weight appetite diet nutrition inflammation

shared by Nathan Goodyear on 04 Oct 17 - No Cached
  • Obesity and models of obesity induced by ingestion of HF-diet in rodents are associated with chronically elevated circulating levels of LPS
  • chronic low-dose administration of LPS induces leptin-resistance in vagal afferent neurons and abolition of CCK-induced inhibition of food intake
  • HF fat feeding has been shown to enhance gastrointestinal permeability promoting the translocation of LPS to the circulation
  • ...9 more annotations...
  • LPS leads to an increase in SOCS3 expression [20]. SOCS3 is a negative regulator of leptin signaling
  • We observed a significant increase in energy intake in the LPS-treated rats
  • the data provides a mechanism linking changes in gut microbiota induced by ingestion of HF diets to dysregulation of food intake and body weight
  • Chronic low-dose LPS treatment induced TLR4 activation and MyD88 signaling in vagal afferent neurons, associated with increased SOCS3 expression and reduced leptin-signaling, characterized by the absence of leptin-induced pSTAT3.
  • SOCS3 is an important mechanism by which leptin resistance develops in vagal afferent neurons and coincides with the onset of hyperphagia
  • We demonstrate that this chronic low dose LPS is sufficient to induce leptin–resistance in vagal afferent neurons, reduced sensitivity to the satiating effects of CCK, and loss of vagal afferent plasticity
  • it suggests that the increase in food intake and body weight we observed at week 6 in the LPS treated rats may be caused by LPS-induced leptin resistance.
  • chronic LPS treatment of mice for four weeks increased body weight
  • chronic LPS treatment of mice for four weeks increased subcutaneous fat
  • Nathan Goodyear on 04 Oct 17
     
    Very interesting study.  High fat diet in rats induced gut flora change that resulted in LPS which induced appetite through leptin resistance and reduced cholecystokinin signaling.
Nathan Goodyear

Biochemical and metabolic mechanisms by which... [J Nutr Biochem. 2012] - PubMed - NCBI - 0 views

www.ncbi.nlm.nih.gov/...22995389

whey protein obesity metabolic syndrome type II DM diabetes

shared by Nathan Goodyear on 24 Sep 12 - No Cached
  • Nathan Goodyear on 24 Sep 12
     
    Whey protein should be a tool in every medical provider to combat obesity and type II Diabetes.  The role? through improved insulin function: by interactions with cholecystokinin, peptide YY, incretins...
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