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PMID |
Sentence |
1 |
11289032
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Fasting plasma ghrelin was negatively correlated with percent body fat (r = -0.45; P = 0.01), fasting insulin (r = -0.45; P = 0.01) and leptin (r = -0.38; P = 0.03) concentrations.
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2 |
12829648
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In the central nervous system, insulin directly decreases hunger sensation but could also act indirectly by modulating ghrelin and leptin secretion.
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3 |
12829648
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In type 2 diabetic patients without insulin treatment, ghrelin decreased by 18 +/- 7% (P < 0.05) only after 4 mU x kg(-1) x min(-1) insulin infusion and leptin increased by 19 +/- 6% (P < 0.05).
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4 |
12829648
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In conclusion, insulin reduces plasma ghrelin in nondiabetic patients and, to a lesser extent, in type 2 diabetic patients before insulin therapy.
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5 |
14514588
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Additionally, changes in beta-cell sensitivity to glucose, peripheral tissue sensitivity to insulin, and changes in plasma ghrelin levels were examined.
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6 |
15971409
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Fructose does not increase insulin and leptin or suppress ghrelin, which suggests an endocrine mechanism by which it induces a positive energy balance.
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7 |
16060906
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The reduction in both forms of ghrelin could be involved in the development of the body mass increase of IDDM subjects with opposite effects, either influencing insulin sensitivity or exerting a compensatory restraint of feeding.
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8 |
16189176
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Since GH, in turn, acutely induces lipolysis and insulin resistance in skeletal muscle, we aimed to study the isolated and combined effects of GH, free fatty acids (FFAs) and insulin sensitivity on circulating ghrelin levels in human subjects.
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9 |
16204371
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Mature ghrelin has been shown to stimulate eating and to participate in the regulation of insulin signaling and glucose homeostasis.
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10 |
17106060
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Similar to insulin, ghrelin acutely stimulated increased production of NO in bovine aortic endothelial cells (BAEC) in primary culture (assessed using NO-specific fluorescent dye 4,5-diaminofluorescein) in a time- and dose-dependent manner.
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11 |
17592026
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Ghrelin was colocalized with insulin in ss-cells in LBW group.
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12 |
18433874
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Here, we review the physiological role of ghrelin in the regulation of insulin release and glucose metabolism, and a potential therapeutic avenue to treat type 2 diabetes by manipulating ghrelin and/or its signaling.
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13 |
18433874
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Ghrelin inhibits insulin release in mice, rats and humans.
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14 |
18776138
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We aimed to study direct effects of ghrelin on substrate metabolism and insulin sensitivity in human subjects.
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15 |
18776138
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In the absence of GH and cortisol secretion, ghrelin acutely decreased peripheral, but not hepatic, insulin sensitivity together with stimulation of lipolysis.
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16 |
18776138
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Ghrelin infusion acutely induces lipolysis and insulin resistance independently of GH and cortisol.
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17 |
19024311
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It is fasting ghrelin not PYY negatively associated with fasting insulin and positively with QUICKI.
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18 |
19082668
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Ghrelin treatment increased insulin levels, insulin-positive islet cell number, and 5-bromo-2-deoxyuridine and PDX-1 staining, whereas ghrelin antagonist administration resulted in significant decreases in these parameters.
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19 |
19628651
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To investigate the effects of unacylated ghrelin (UAG) and co-administration of acylated ghrelin (AG) and UAG in morbid obesity, a condition characterized by insulin resistance and low GH levels.
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20 |
19733151
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Ghrelin administration did not alter food intake, body weight gain, blood glucose levels, or plasma insulin levels when compared with mice given saline or desacyl-ghrelin administration.
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21 |
20002081
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Treatment with metformin increased the mean AUC (07.30-16.30 h) of plasma ghrelin by 24% (P= 0.003), while decreasing those of glucose by 19% (P < 0.001) and insulin by 19% (P= 0.001).
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22 |
19566830
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Ghrelin is a multifunctional peptide hormone that affects various processes, including growth hormone and insulin release, appetite regulation, gut motility, metabolism and cancer cell proliferation.
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23 |
20584998
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Although ghrelin reduces insulin secretion in rodents, its effect on insulin secretion in humans has not been established.
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24 |
20584998
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The goal of this study was to test the hypothesis that circulating ghrelin suppresses glucose-stimulated insulin secretion in healthy subjects.
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25 |
20584998
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This is a robust proof-of-concept study showing that exogenous ghrelin reduces glucose-stimulated insulin secretion and glucose disappearance in healthy humans.
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26 |
20005544
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The aim of the study was to compare the regulation of ghrelin, leptin, and adiponectin by insulin and glucose during the second and third trimesters of pregnancy in women with diabetes.
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27 |
20005544
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Fasting desacyl ghrelin concentrations decreased, whereas insulin and leptin concentrations increased, between the second and third trimesters of pregnancy (P < or = .011).
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28 |
20005544
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During the clamp studies, desacyl ghrelin concentrations decreased by 33% (second trimester, P = .004) and 27% (third trimester, P = .09) with increasing glucose and insulin concentrations, whereas acyl ghrelin, leptin, and adiponectin concentrations were unaffected.
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29 |
20556572
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Plasma ghrelin was not associated with systolic (P=0.981) or diastolic (P=0.724) BP, waist circumference (P=0.278), fasting insulin (P=0.246), fasting blood glucose (FBG) (P=0.693) and HOMA-IR (P=0.232).
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30 |
21150588
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Many recent studies are uncovering a role of des-acyl ghrelin in glucose metabolism specifically in modulating insulin sensitivity and glucose uptake into adipocytes.
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31 |
21150588
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Ghrelin plays a role in regulating glucose homeostasis through the modulation of insulin secretion and insulin sensitivity.
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32 |
21094196
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Ghrelin can inhibit gluco/lipotoxicity induced insulin resistance by PI3K/AKT pathway.
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33 |
21539509
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The existing evidence suggests ghrelin primarily inhibits insulin release from the pancreas and we highlight an important mechanism involving AMPK-UCP2 ATP-stimulated potassium channels and intracellular calcium regulation.
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34 |
20959720
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Gut hormone ghrelin and adipokine adiponectin are both decreased in obesity and they share a potent effect on insulin sensitivity: both adiponectin and the combination of acylated (AG) and unacylated ghrelin (UAG) improve insulin sensitivity.
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35 |
21760856
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We evaluated the effects of insulin-induced improved glycaemic control on leptin, adiponectin, ghrelin, neuropeptide Y (NPY) levels and patient characteristics.
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36 |
21778879
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Ghrelin attenuates insulin secretion through the AMP-activated protein kinase-uncoupling protein 2 pathway.
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37 |
21396419
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Ghrelin plays an important physiological role in modulating GH secretion, insulin secretion and glucose metabolism.
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38 |
21396419
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Pharmacological suppression of the ghrelin/des-acyl ghrelin ratio by treatment with des-acyl ghrelin may also be a viable alternative approach which appears to improve insulin sensitivity.
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