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Topic: Lipolysis


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In the News (Wed 15 Feb 12)

  
  Switch from PI to Abacavir: affect on fat, glucose
The different components of glucose metabolism and lipolysis were evaluated by hyperinsulinemic glucose clamp both before and 96 wk after the replacement of the PIs in their regimen by the NRTI abacavir.
The trend for lipolysis to normalize after PI withdrawal occurred independent of any changes in concentrations of plasma insulin, a potent inhibitor of lipolysis, epinephrine and cortisol, both potent stimulators of lipolysis, and fat distribution.
An explanation for the decrease in lipolysis might be a lowered tonus of the sympathetic nervous system (tonus: the normal state of a healthy muscle when resting in a state of slight contraction).
www.natap.org /2004/HIV/070904_01.htm   (3569 words)

  
 WEIGHT LOSS, DESCRIPTION of a LIPOLYSIS-TREATMENT, difference with LIPOSUCTION
A credit of a Lipolysis treatment is that it pinpoints at the spot where the skin indicates inactive adipose cells.
Electro lipolysis employs quite small electric currents, being brought into the cell tissue first by means of very thin long needles, in a later phase via pads that stick onto the skin.
Lipolysis can also be applied in a cosmetic studio, when weight reduction is not wanted but a figure correction is required.
home.wanadoo.nl /all-weightloss-methods/txtlip2u.html   (590 words)

  
 Diabetes: Stimulation of lipolysis by tumor necrosis fact... @ HighBeam Research   (Site not responding. Last check: 2007-10-08)
Lipolysis was measured as the rate of glycerol release over a 1-h period.
Lipolysis was higher than basal by ~2 h and maximal by ~12 h after addition of glucose to the incubation medium.
Similarly, the effect of glucose on lipolysis that we have previously reported in primary rat adipocytes was unaffected by the presence or absence of glutamine (28), which also argues against a role for the hexosamine biosynthetic pathway in regulation of lipolysis.
www.highbeam.com /library/doc0.asp?DOCID=1G1:112216524&refid=holomed_1   (4850 words)

  
 Fat Loss, alpha2-Adrenoceptors and Yohimbine, Part I
Lipolysis is the process of breakdown and release of triacylglycerols (TGs) in adipocytes and is intensely regulated.
Lipolysis is the process where TG molecules are hydrolyzed to fatty acids and glycerol.
Lipolysis is largely controlled by the amount of cAMP within the cell.
www.mesomorphosis.com /articles/volk/yohimbine-01.htm   (3876 words)

  
 British Journal of Pharmacology - A nitric oxide-mediated mechanism regulates lipolysis in human adipose tissue in vivo   (Site not responding. Last check: 2007-10-08)
Lipolysis in adipose tissue is under hormonal regulation, the most well known being insulin and catecholamine effects on antilipolytic and lipolytic mechanisms.
The role of NO in human lipolysis is supported by the present demonstration of (i) an inhibitory role of NO on lipolysis in fat cells in vitro and (ii) demonstration of the expression and biological activity of NOS in human adipose tissue.
Glycerol levels, as determined by microdialysis were used as an index of lipolysis in adipose tissue, with increased dialysate glycerol levels being interpreted as an increased lipolysis and vice versa (Lafontan and Arner, 1996).
www.nature.com /bjp/journal/v126/n7/full/0702430a.html   (4780 words)

  
 WEIGHT LOSS, DESCRIPTION of a LIPOLYSIS-TREATMENT, difference with LIPOSUCTION
Equipment for Electro lipolysis is computer-controlled and provided with security features to safeguard the client completely.
Electro lipolysis is not a weight reduction method, it is a fat mobilizing method (and a very effective one).
Lipolysis can very well be combined with weight reduction methods.
home.wxs.nl /~rconsult_medberaad/txtlip2u.html   (590 words)

  
 Inhibition of gastrointestinal lipolysis by Orlistat during digestion of test meals in healthy volunteers -- ...
Lipolysis levels (C and F) and residual activities of human gastric lipase (HGL; A and D) and HPL (B and E) during in vitro experiments with liquid (A-C) and solid (D-F) test meals mixed with gastric and pancreatic juices.
Lipolysis levels (C and F) and residual activities of HGL (A and D) and HPL (B and E) during in vitro experiments with liquid (A-C) and solid (D-F) test meals mixed with purified lipases.
duodenal lipolysis by HPL compensates for the decrease in gastric
ajpgi.physiology.org /cgi/content/full/281/1/G16   (7863 words)

  
 Inhibition of Isoproterenol-Induced Lipolysis in Rat Inguinal Adipocytes in Vitro by Physiological Melatonin via a ...
Melatonin inhibition of lipolysis was not observed in adipocytes
Melatonin inhibition of lipolysis is not observed in epididymal adipocytes
of melatonin on basal lipolysis in inguinal adipocytes.
endo.endojournals.org /cgi/content/full/142/9/3783   (5256 words)

  
 Growth Hormone and Dexamethasone Stimulate Lipolysis and Activate Adenylyl Cyclase in Rat Adipocytes by Selectively ...
lipolysis in chicken (4), mouse (3), or human adipocytes (5).
Lipolysis was significantly increased by GH (P < 0.05), GH+Dex (P < 0.01), and ISO (P < 0.01).
Houseknecht KI, Bauman DE 1997 Regulation of lipolysis by somatotropin: functional alteration of adrenergic and adenosine signaling in bovine adipose tissue.
endo.endojournals.org /cgi/content/full/140/3/1219   (6004 words)

  
 Cytokine Regulation of Lipolysis in Humans? -- Jensen 88 (7): 3003 -- Journal of Clinical Endocrinology & Metabolism
of lipolysis is GH (8, 9, 10, 11).
effect on lipolysis was overestimated in the current study (1).
IL-6 is a hormonal regulator of lipolysis in humans.
jcem.endojournals.org /cgi/content/full/88/7/3003   (1681 words)

  
 Adipose tissue lipolysis is increased during a repeated bout of aerobic exercise -- Stich et al. 88 (4): 1277 -- ...
Adipose tissue lipolysis is increased during a repeated bout of aerobic exercise -- Stich et al.
Adipose tissue lipolysis is increased during a repeated bout of aerobic exercise
Lipolysis in adipose tissue was assessed with a microdialysis technique that has been described previously (1).
jap.physiology.org /cgi/content/full/88/4/1277   (4576 words)

  
 Perilipin A is essential for the translocation of hormone-sensitive lipase during lipolytic activation -- Sztalryd et ...
Note that stimulated lipolysis in CHO cells expressing perilipin A alone (B) occurs only after a lag of 30 min, during which time forskolin stimulation has no effect on fatty acid efflux from the cells.
Lipolysis in CHO cells was performed according to Tansey et al.
Mechanism of hormone-stimulated lipolysis in adipocytes: translocation of hormone-sensitive lipase to the lipid storage droplet.
www.jcb.org /cgi/content/full/161/6/1093   (7099 words)

  
 In Vivo Resistance of Lipolysis to Epinephrine . A New Feature of Childhood Onset Obesity -- Bougnères et al. 99 ...
It is tempting to speculate that primary or acquired alterations in the regulation of lipolysis contribute to the rapid increase
Another hypothesis is that the lipolysis resistance to epinephrine observed in the obese children is due to a deficient signal
Arner (1988) Effects of insulin on adrenoceptor binding and the role of catecholamine-induced lipolysis in isolated human fat cells.
www.jci.org /cgi/content/full/99/11/2568   (5023 words)

  
 Antilipolytic actions of insulin on basal and hormone-induced lipolysis in rat adipocytes -- Morimoto et al. 39 (5): ...
Basal lipolysis was estimated by measuring FFA released from fat cells in the absence of lipolytic hormones.
Basal lipolysis (lipolysis in the absence of lipolytic agents) was examined using fat cells isolated from rats of 6 (
Effect of insulin on basal lipolysis in fat cells isolated from the non-fasted (A) and the overnight fasted (B) rats.
www.jlr.org /cgi/content/full/39/5/957   (2599 words)

  
 Burst-like control of lipolysis by the sympathetic nervous system in vivo -- Hücking et al. 111 (2): 257 -- ...
rapid oscillations of lipolysis that are reflected in oscillatory
The pulsatile component of lipolysis is extinguished during ß-blockade.
Atgie, C., D’Allaire, F., and Bukowiecki, L.J. Role of beta1- and beta3-adrenoceptors in the regulation of lipolysis and thermogenesis in rat brown adipocytes.
www.jci.org /cgi/content/full/111/2/257   (4969 words)

  
 Yeast Extract Stimulates Glucose Metabolism and Inhibits Lipolysis in Rat Adipocytes in Vitro -- Edens et al. 132 (6): ...   (Site not responding. Last check: 2007-10-08)
Lipolysis was measured by assay of glycerol release
Medium incubated with rat adipocytes was collected and assayed for glycerol content, a measure of lipolysis.
YE and fractions (all 10 mg/L) were incubated with rat adipocytes and glycerol release into the medium was assayed.
www.nutrition.org /cgi/content/full/132/6/1141   (3942 words)

  
 Activation of {alpha}2-adrenergic receptors blunts epinephrine-induced lipolysis in subcutaneous adipose tissue during ...
Activation of {alpha}2-adrenergic receptors blunts epinephrine-induced lipolysis in subcutaneous adipose tissue during a hyperinsulinemic euglycemic clamp in men -- Stich et al.
of lipolysis in subcutaneous adipose tissue in situ.
Lipolysis during fasting: decreased suppression by insulin and increased stimulation by epinephrine.
ajpendo.physiology.org /cgi/content/full/285/3/E599   (4661 words)

  
 Leptin-induced lipolysis opposes the tonic inhibition of endogenous adenosine in white adipocytes -- FRÜHBECK et ...
is mediated mainly by ß-adrenergic agonists and lipolysis
The lipolytic rate was measured as the amount of glycerol released after 90 min of incubation with three doses of leptin and treatment with isoproterenol (ISO 1 µM), forskolin (FSK 10 µM), isobutylmethylxanthine (IBMX 0.1 mM), and dibutyryl-cyclic AMP (dbcAMP 1 mM).
Data are normalized to basal lipolysis of fat cells from saline-treated obese animals (saline control: 0.443 ± 0.062 µmol glycerol/100 mg lipids) and are means ±
www.fasebj.org /cgi/content/full/15/2/333   (4462 words)

  
 Lipolysis and lipid oxidation in cirrhosis and after liver transplantation -- Shangraw and Jahoor 278 (6): 967 -- AJP - ...
Lipolysis and lipid oxidation in cirrhosis and after liver transplantation -- Shangraw and Jahoor 278 (6): 967 -- AJP - Gastrointestinal and Liver Physiology
Influence of insulin on glucose metabolism and lipolysis in adipose tissue in situ in patients with liver cirrhosis.
Alterations of lipolysis and lipoprotein lipase in chronically nicotine-treated rats.
ajpgi.physiology.org /cgi/content/full/278/6/G967   (4214 words)

  
 Leptin-induced lipolysis opposes the tonic inhibition of endogenous adenosine in white adipocytes -- FRÜHBECK et ...
Leptin-induced lipolysis opposes the tonic inhibition of endogenous adenosine in white adipocytes -- FRÜHBECK et al.
Leptin-induced lipolysis opposes the tonic inhibition of endogenous adenosine in white adipocytes
and that leptin-induced lipolysis opposes the tonic inhibition
www.fasebj.org /cgi/content/abstract/15/2/333   (323 words)

  
 Lipolysis strips for low carb dieters   (Site not responding. Last check: 2007-10-08)
KetoStrips™ lipolysis strips are specially made to test for ketones in urine.
Ketones are indicators that your body is in ketosis / lipolysis.
Ketosis, which is a perfectly normal metabolic process, is often confused with ketoacidosis, which is a life-threatening condition.
www.ph-ion.com /lipolysis_strips.htm   (470 words)

  
 The Body: Free Fatty Acids Contribute to Metabolic Changes
Grinspoon and colleagues demonstrated that the treated HIV-positive patients had elevated fasting lipolysis and that lipolysis increased after a glucose challenge.
This is in contrast to the control patients who saw a fall in lipolysis after a glucose challenge.
Insulin resistance may be a marker of risk of development of type II diabetes and may be an independent risk factor for future heart disease.
www.thebody.com /confs/adrl2001/moyle2.html   (772 words)

  
 * Lipolysis - (Diet): Definition   (Site not responding. Last check: 2007-10-08)
The purpose of induction is to induce a change in your body chemistry that leads to lipolysis (burning fat for energy) and a secondary process known as ketosis...
it also increases the rate at which stored fat is released from the body (a process known as lipolysis), so the removal of unwanted ugly fat is accelerated.
Body Fat is broken down by the body into glycerol and fatty acids in the process of lipolysis.
www.bestknows.com /diet/lipolysis.html   (190 words)

  
 Proteolysis and Lipolysis of Goat Milk Cheese
Proteolysis and lipolysis are two major biochemical processes in the multifaceted phenomenon of cheese aging, which involves a variety of chemical, physical, and microbiological changes under controlled environmental conditions.
Proteolysis of cheeses in general is influenced by several factors including plasmin, chymosin, protease from starter and non-starter bacteria, pH and moisture levels of the curds, storage temperature and time, salt content, salt-to-moisture ratio, and humidity.
Lipolysis of goat milk cheeses has been estimated by acid degree value (ADV), acid value, and free fatty acid concentration, while lipid oxidation of dairy goat products can be determined by peroxide value, thiobarbuturic acid value (TBA).
www.adsa.org /jds/abs/2001/jds_es84.htm   (205 words)

  
 Ingvar Ek: Doktorsavhandling från Karolinska Institutet
The aim of the present thesis was to obtain insight into possible regulatory effects of androgens on the regulation of lipolysis in subcutaneous as well as visceral adipose tissue in women with the polycystic ovary syndrome (PCOS).
In subcutaneous adipose tissue, there was a markedly impaired lipolysis, due to ~10-fold decreased beta2-AR sensitivity as well as 50% reduced 02-AR density and a novel mechanism in the PKA-HSL complex, together reducing the activation of hormone sensitive lipase (HSL).
Further investigations are needed to clarify the relationships between the different sex steroids in the regulation of lipolysis, both in PCOS and in healthy women.
diss.kib.ki.se /2003/91-7349-562-X   (473 words)

  
 Sex Differences in Visceral Fat Lipolysis and Metabolic Complications of Obesity -- Lönnqvist et al. 17 (7): 1472 ...
Lipolysis rates in the absence of, or in the presence of, maximum
A comparison of the antilipolytic effect of insulin, added in increasing concentrations, on norepinephrine-stimulated lipolysis is made between obese men and women.
Lipolysis in intra-abdominal adipose tissues of obese women and men.
atvb.ahajournals.org /cgi/content/full/17/7/1472   (5785 words)

  
 beta -Adrenergic regulation of lipolysis and blood flow in human skeletal muscle in vivo -- Hagström-Toft et al. ...
The principles of the microdialysis technique for lipolysis studies (25) and the microdialysis device (32) have been described
In situ studies of catecholamine-induced lipolysis in human adipose tissue using microdialysis.
In situ assessment of the role of the beta1-, beta2- and beta3-adrenoceptors in the control of lipolysis and nutritive blood flow in human subcutaneous adipose tissue.
ajpendo.physiology.org /cgi/content/full/275/6/E909   (3882 words)

  
 Suppressing lipolysis increases interleukin-6 at rest and during prolonged moderate-intensity exercise in humans -- ...
Suppressing lipolysis increases interleukin-6 at rest and during prolonged moderate-intensity exercise in humans -- Holmes et al.
Articles by Holmes, A. Articles by Febbraio, M. Suppressing lipolysis increases interleukin-6 at rest and during prolonged moderate-intensity exercise in humans
Recombinant human interleukin-6 infusion during low-intensity exercise does not enhance whole body lipolysis or fat oxidation in humans
jap.physiology.org /cgi/content/abstract/97/2/689   (487 words)

  
 Marked Heterogeneity of Human Skeletal Muscle Lipolysis at Rest -- Hagström-Toft et al. 51 (12): 3376 -- Diabetes
Contribution of intramuscular lipolysis to fatty acid oxidation at rest in gastrocnemius muscle.
Arner P: Differences in lipolysis between human subcutaneous and omental adipose tissues.
Ek I, Arner P, Ryden M, Holm C, Thorne A, Hoffstedt J, Wahrenberg H: A unique defect in the regulation of visceral fat cell lipolysis in the polycystic ovary syndrome as an early link to insulin resistance.
diabetes.diabetesjournals.org /cgi/content/full/51/12/3376   (5347 words)

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