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Nathan Goodyear

Cell Metabolism - Orexin Is Required for Brown Adipose Tissue Development, Differentiat... - 0 views

www.cell.com/...S1550-4131(11)00340-8

orexin brown-fat weight-loss overweight obesity brown fat

shared by Nathan Goodyear on 01 Dec 11 - No Cached
  • Nathan Goodyear on 01 Dec 11
     
    orexin plays a role in weight gain through regulation of brown fat differentiation.  Low brown fat predisposes one to obesity.  Higher brown fat increases metabolism and thus increases fat burning capacity
Nathan Goodyear

Brown adipose tissue activity after a high-calorie meal in humans - 0 views

ajcn.nutrition.org/...57.abstract

BAT brown fat high calorie diet thermogenic fat adipose tissue

shared by Nathan Goodyear on 26 Jun 13 - No Cached
  • Nathan Goodyear on 26 Jun 13
     
    Interesting study.  Studies have found brown fat to be thermogenic.  This study found no such association. In fact, a high calorie diet increased glucose uptake by brown fat without resultant thermogenesis.  
arunaraayala

Chris Brown 'banned from Life Time fitness center' - 0 views

www.localitynews.com/-from-life-time-fitness-center

CHRIS BROWN FITNESS CENTER CLUB HOLLYWOOD LATEST NEWS UPDATES POP STAR BANNED HIS GYM world news

shared by arunaraayala on 09 Jan 17 - No Cached
  • arunaraayala on 09 Jan 17
     
    Chris Brown has apparently been prohibited from Life Time fitness center after a claimed push with the New York City branch
Nathan Goodyear

ScienceDirect - Cell Metabolism : Orexin Turns Up the Heat on Obesity - 0 views

www.sciencedirect.com/...S1550413111003536

orexin fat brown-fat thermogenesis weight-loss obesity

shared by Nathan Goodyear on 02 Dec 11 - No Cached
  • Nathan Goodyear on 02 Dec 11
     
    orexin, a neuropeptide, plays important role in brown fat differentiation.  Brown fat is important thermogenesis, producing heat from fat burning.
Nathan Goodyear

A PGC1-[agr]-dependent myokine that drives brown-fat-like development of white fat and ... - 0 views

www.nature.com/...nature10777.html

Irisin hormone weight-loss PGC1-alpha white fat WAT brown thermogenesis

shared by Nathan Goodyear on 23 Jan 12 - No Cached
  • Nathan Goodyear on 23 Jan 12
     
    Irisin, new recognized hormone, found to stimulate PGC1-alpha conversion of white fat to brown fat.  This increases thermogenesis and fat burning.
fitspresso

https://www.thefastleanpro.us/ - 0 views

www.thefastleanpro.us

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shared by fitspresso on 27 Sep 23 - No Cached
  • fitspresso on 27 Sep 23
     
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natgeo127

Have Your Desserts While Losing Weight! - 0 views

changeyourlife.netne.net/?p=86

losing weight Healthy Desserts

shared by natgeo127 on 15 Mar 16 - No Cached
  • natgeo127 on 15 Mar 16
     
    You can definitely lose weight while enjoying desserts! My recipes use all natural sugars, and yes, honey is one of them. Your body processes natural sugars much differently than processed sugars (white sugar, brown sugar, etc.), and in moderate amounts (such as those in my recipes) it is not going to affect your weight loss efforts. Also, you'll notice that my recipes contain fiber and proteins and fats...
indian-health

Top Cardiologists in Bangalore Providing Life-Saving Heart Valve Repair Without Open-He... - 0 views

www.101pressrelease.com/air-without-open-heart-surgery

Cardiac Surgery in india best cardiologist in bangalore top 10 cardiologist in bangalore Top 12 Cardiologists in Bangalore top cardiologist in bangalore best heart hospital in bangalore cardiologist bangalore best heart specialist in bangalore heart speci

shared by indian-health on 16 Apr 22 - No Cached
  • indian-health on 16 Apr 22
     
    About a year ago, top cardiologists in Bangalore told Arthur Brown the only option to repair his leaky tricuspid heart valve was open-heart surgery. Unfortunately, that surgery comes with serious risks that Arthur, who also had an unrelated lung tumor removed in May 2019, wasn't comfortable taking. According to Top cardiologists in Bangalore, "
fitspresso

https://www.fitspresso-co.com/ - 0 views

www.fitspresso-co.com

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shared by fitspresso on 27 Sep 23 - No Cached
  • fitspresso on 27 Sep 23
     
    FitSpresso™ | Official Site fitspresso-co.com FitSpresso Only $39/Bottle Limited Time Offer! FitSpresso Special Deal + Special 51% Discount Save $660 + 180 Days Money Back Guarantee FitSpresso Herpesyl Five Star A dietary product formulated to assist users in reducing weight can increase other advantages that can support overall health. This product can assist users in getting closer to the desirable body weight. Regular Price: 149/per bottle Only for: $39/per bottle Buy Now What IsFitSpresso? FitSpresso is promoted as a natural supplement that comes in the form of diet pills, and it can aid in rapid and efficient weight loss, similar to many other supplements. The term "natural supplements refers to a nutritional supplement that is made entirely of natural, chemical-free materials. You can utilize these organic ingredients to aid in natural weight loss. It can speed up your body's metabolism and assist with other crucial processes. All parts of our bodies are impacted by weight increase, and not only do we need to deal with the increased weight, but we also need to deal with the numerous problems and illnesses that come along with it. This refers to the risk of developing chronic cardiac conditions, low blood pressure, and, in some circumstances, problems with blood sugar. However, FitSpresso even with its bright and bold claims, can help you efficiently manage your weight and completely avoid these extra uncomfortable problems. FitSpresso is a supplement that comes in the form of a pill, which makes it tasty, simple to swallow, and handy. According to the manufacturer, these diet tablets are GMO-free and toxic-free, making them edible. This is why we have things such as weight loss supplements. Thanks to modern advancements, we can just take a dietary supplement pill to bring about significant weight loss in a completely healthy and natural manner. Not only this, but dietary supplements can also support healthy blood sugar levels and help with
Nathan Goodyear

ScienceDirect.com - Cell Metabolism - Estrogen Receptors and the Metabolic Network - 0 views

www.sciencedirect.com/...S1550413111003123

ER-alpha ER-beta estrogen receptor receptors metabolic syndrome MetS hormone hormones

shared by Nathan Goodyear on 11 Oct 12 - No Cached
  • The pro-opiomelanocortin (POMC) neurons have an anorexigenic action and, when activated, reduce food intake through the release of two peptides, α-melanocyte-stimulating hormone (α-MSH) and cocaine-and-amphetamine-regulated transcripts (CART). The neuropeptide Y (NPY) neurons, on the other hand, release NPY hormone and agouti gene-related protein (AgRP), which prevent the binding of α-MSH to MC3R and MC4R, increasing food intake
  • This suggests that the central anorexic effects of E2 may occur via ERβ
  • The main hypothalamic areas involved in food intake and satiety are the arcuate nucleus (ARC), the lateral hypothalamus (LH), the paraventricular nucleus (PVN), the ventromedial hypothalamus (VMH), and the dorsomedial hypothalamus (DMH)
  • ...22 more annotations...
  • Leptin is a potent anorexigenic and catabolic hormone secreted by adipose cells that reduces food intake and increases energy expenditure
  • E2 not only modulates leptin receptor mRNA in the ARC and VMH, but also increases hypothalamic sensitivity to leptin, altering peripheral fat distribution
  • ghrelin. It acts on growth hormone secretagogue receptors (GHSR1a) located in the ARC and is a potent stimulator of food intake
  • It thus appears that of the two ERs, ERα plays a predominant role in the CNS regulation of lipid and carbohydrate homeostasis.
  • Both ERs have been identified in the ARC
  • Stimulation of MCH neurons increases food intake and fat accumulation while its inhibition leads to decreased food intake and reduced fat accumulation.
  • Both ERs have been identified in the LH
  • both ERs have been identified in this nucleus
  • The PVN is the region of the hypothalamus with the highest expression of ERβ and is reported to be weakly ERα positive
  • The VMH is ERα regulated
  • Skeletal muscle is responsible for 75% of the insulin-induced glucose uptake in the body
  • GLUT4 is highly expressed in muscle and represents a rate-limiting step in the insulin-induced glucose uptake
  • data suggest that in the physiological range, E2 is beneficial for insulin sensitivity, whereas hypo- or hyperestrogenism is related to insulin resistance
  • In aging female rats, E2 treatment improves glucose homeostasis mainly through its ability to increase muscle GLUT4 content on the cell membrane
  • It is evident that ERα and ERβ have distinct actions and that much more research is needed to clearly identify the function of each receptor in muscle.
  • E2 prevents accumulation of visceral fat, increases central sensitivity to leptin, increases the expression of insulin receptors in adipocytes, and decreases the lipogenic activity of lipoprotein lipase in adipose tissue
  • In rats, ovariectomy increases body weight, intra-abdominal fat, fasting glucose and insulin levels, and insulin resistance followed by decreased phosphorylation of AMPK and its substrate acetyl-CoA carboxylase in adipose tissue
  • decreased adiponectin, PPARγ coactivator-1α (PGC-1α), and uncoupling protein 2 (UCP2) and increased resistin
  • Men with aromatase deficiency have truncal obesity, elevated blood lipids, and severe insulin resistance
  • Although not all studies are in agreement, polymorphisms of ERα in humans have been associated with risk factors for CVDs
  • Human subcutaneous and visceral adipose tissues express both ERα and ERβ, whereas only ERα mRNA has been identified in brown adipose tissue
  • suggesting that ERα is the main regulator of GLUT4 expression in adipose tissue
  • Nathan Goodyear on 11 Oct 12
     
    very nice article that looks at the balance of ER-alpha/ER-beta and their role in metabolic syndrome.  This article discusses the balance of  these receptors are tissue dependent in their effect.  I like their conclusion: "...but these mechanisms will never be completely understood if they are not considered in the context of a whole system.
Nathan Goodyear

Lowered testosterone in male obesity: Mechanisms, morbidity and management Tang Fui MN,... - 0 views

www.ajandrology.com/article.asp

Testosterone male obesity overweight men hormone hormones low T Low T

shared by Nathan Goodyear on 15 Jan 14 - No Cached
  • The number of overweight people is expected to increase from 937 million in 2005 to 1.35 billion in 2030
  • Similarly the number of obese people is projected to increase from 396 million in 2005 to 573 million in 2030
  • By 2030, China alone is predicted to have more overweight men and women than the traditional market economies combined
  • ...37 more annotations...
  • diacylglycerol O-acyltransferase 2 (DGAT2), mechanistically implicated in this differential storage, [10] is regulated by dihydrotestosterone, [11] suggesting a potential role for androgens to influence the genetic predisposition to either the MHO or MONW phenotype.
  • bariatric surgery achieves 10%-30% long-term weight loss in controlled studies
  • The fact that obese men have lower testosterone compared to lean men has been recognized for more than 30 years
  • Reductions in testosterone levels correlate with the severity of obesity and men
  • epidemiological data suggest that the single most powerful predictor of low testosterone is obesity, and that obesity is a major contributor of the age-associated decline in testosterone levels.
  • healthy ageing by itself is uncommonly associated with marked reductions in testosterone levels
  • obesity blunts this LH rise, obesity leads to hypothalamic-pituitary suppression irrespective of age which cannot be compensated for by physiological mechanisms
  • Reductions in total testosterone levels are largely a consequence of reductions in sex hormone binding globulin (SHBG) due to obesity-associated hyperinsulinemia
  • although controversial, measurement of free testosterone levels may provide a more accurate assessment of androgen status than the (usually preferred) measurement of total testosterone in situations where SHBG levels are outside the reference range
  • SHBG increases with age
  • marked obesity however is associated with an unequivocal reduction of free testosterone levels, where LH and follicle stimulating hormone (FSH) levels are usually low or inappropriately normal, suggesting that the dominant suppression occurs at the hypothalamic-pituitary level
  • adipose tissue, especially when in the inflamed, insulin-resistant state, expresses aromatase which converts testosterone to estradiol (E 2 ). Adipose E 2 in turn may feedback negatively to decrease pituitary gonadotropin secretion
  • diabetic obesity is associated with decreases in circulatory E 2
  • In addition to E 2 , increased visceral fat also releases increased amounts of pro-inflammatory cytokines, insulin and leptin; all of which may inhibit the activity of the HPT axis at multiple levels
  • In the prospective Massachusetts Male Aging Study (MMAS), moving from a non-obese to an obese state resulted in a decline of testosterone levels
  • weight loss, whether by diet or surgery, increases testosterone levels proportional to the amount of weight lost
  • fat is androgen-responsive
  • low testosterone may augment the effects of a hypercaloric diet
  • In human male ex vivo adipose tissue, testosterone decreased adipocyte differentiation by 50%.
  • Testosterone enhances catecholamine-induced lipolysis in vitro and reduces lipoprotein lipase activity and triglyceride uptake in human abdominal adipose tissue in vivo
  • in men with prostate cancer receiving 12 months of androgen deprivation therapy, fat mass increased by 3.4 kg and abdominal VAT by 22%, with the majority of these changes established within 6 months
  • severe sex steroid deficiency can increase fat mass rapidly
  • bidirectional relationship between testosterone and obesity
  • increasing body fat suppresses the HPT axis by multiple mechanisms [30] via increased secretion of pro-inflammatory cytokines, insulin resistance and diabetes; [19],[44] while on the other hand low testosterone promotes further accumulation of total and visceral fat mass, thereby exacerbating the gonadotropin inhibition
  • androgens may play a more significant role in VAT than SAT
  • men undergoing androgen depletion for prostate cancer show more marked increases in visceral compared to subcutaneous fat following treatment
    • Nathan Goodyear
      Nathan Goodyear on 16 Jan 14
       
      Interesting: low T increases VAT, yet T therapy does not reduce VAT, yet T therapy reduces SAT.
  • irisin, derived from muscle, induces brown fat-like properties in rodent white fat
  • androgens can act via the PPARg-pathway [37] which is implicated in the differentiation of precursor fat cells to the energy-consuming phenotype
  • low testosterone may compound the effect of increasing fat mass by making it more difficult for obese men to lose weight via exercise
  • pro-inflammatory cytokines released by adipose tissue may contribute to loss of muscle mass and function, leading to inactivity and further weight gain in a vicious cycle
  • Sarcopenic obesity, a phenotype recapitulated in men receiving ADT for prostate cancer, [55] may not only be associated with functional limitations, but also aggravate the metabolic risks of obesity;
  • observational evidence associating higher endogenous testosterone with reduced loss of muscle mass and crude measures of muscle function in men losing weight
  • genuine reactivation of the HPT axis in obese men requires more substantial weight-loss
  • A number of intervention studies have confirmed that both diet- and surgically-induced weight losses are associated with increased testosterone, with the rise in testosterone generally proportional to the amount of weight lost
  • men, regardless of obesity level, can benefit from the effect of weight loss.
  • inconsistent effect of testosterone on VAT
  • Nathan Goodyear on 15 Jan 14
     
    to be read
Nathan Goodyear

Branched Chain Amino Acid Supplementation for Patients with Cirrhosis | Clinical Correl... - 0 views

www.clinicalcorrelations.org/?p=3544

BCCA branched chain amino acids liver cirrhosis hepatitis amino acids

shared by Nathan Goodyear on 05 Oct 15 - No Cached
  • low level of BCAAs in patients with cirrhosis is hypothesized to be one of multiple factors responsible for development of hepatic encephalopathy
  • supplementation of BCAAs is thought to facilitate ammonia detoxification by supporting synthesis of glutamine, one of the non-branched chain amino acids, in skeletal muscle and in the brain as well as diminishing the influx of AAAs across the blood-brain barrier
  • oral BCAA supplementation is more useful in chronic encephalopathic patients than is parenteral BCAA supplementation in patients with acute encephalopathy
  • ...35 more annotations...
  • malnutrition progressing to cachexia is another common manifestation of cirrhosis
  • Malnutrition can be mitigated with BCAA supplementation
  • Studies show that administration of amino acid formulas enriched with BCAAs can reduce protein loss, support protein synthesis, and improve nutritional status of patients with chronic liver disease
  • Leucine has been shown to be the most effective of the BCAAs because it acts via multiple pathways to stimulate protein synthesis
  • BCAAs metabolites inhibit proteolysis
  • Patients with cirrhosis have both insulin deficiency and insulin resistance
  • BCAAs (particularly leucine) help to reverse the catabolic, hyperglucagonemic state of cirrhosis both by stimulating insulin release from the pancreatic β cells and by decreasing insulin resistance allowing for better glucose utilization
  • Coadministration of BCAAs and glucose has been found to be particularly useful
  • BCAA supplementation improves protein-energy malnutrition by improving utilization of glucose, thereby diminishing the drive for proteolysis, inhibiting protein breakdown, and stimulating protein synthesis
  • Cirrhotic patients have impaired immune defense, characterized by defective phagocytic activity and impaired intracellular killing activity
  • another effect of BCAA supplementation is improvement of phagocytic function of neutrophils and possibly improvement in natural killer T (NKT) cell lymphocyte activity
  • BCAA supplementation may reduce the risk of infection in patients with advanced cirrhosis not only through improvement in protein-energy malnutrition but also by directly improving the function of the immune cells themselves
  • BCAA administration has also been shown to have a positive effect on liver regeneration
  • A proposed mechanism for improved liver regeneration is the stimulatory effect of BCAAs (particularly leucine) on the secretion of hepatocyte growth factor by hepatic stellate cells
  • BCAAs activate rapamycin signaling pathways which promotes albumin synthesis in the liver as well as protein and glycogen synthesis in muscle tissue
  • Chemical improvement with BCAA treatment is demonstrated by recovery of serum albumin and lowering of serum bilirubin levels
  • long-term oral BCAA supplementation was useful in staving off malnutrition and improving survival by preventing end-stage fatal complications of cirrhosis such as hepatic failure and gastrointestinal bleeding
  • The incidence of death by any cause, development of liver cancer, rupture of esophageal varices, or progression to hepatic failure was decreased in the group that received BCAA supplementation
  • Patients receiving BCAA supplementation also have a lower average hospital admission rate, better nutritional status, and better liver function tests
  • patients taking BCAA supplementation report improved quality of life
  • BCAAs have been shown to mitigate hepatic encephalopathy, cachexia, and infection rates, complications associated with the progression of hepatic cirrhosis
  • BCAAs make up 20-25% of the protein content of most foods
  • Highest levels are found in casein whey protein of dairy products and vegetables, such as corn and mushrooms. Other sources include egg albumin, beans, peanuts and brown rice bran
  • In addition to BCAAs from diet, oral supplements of BCAAs can be used
  • Oral supplementation tends to provide a better hepatic supply of BCAAs for patients able to tolerate PO nutrition as compared with IV supplementation, especially when treating symptoms of hepatic encephalopathy
  • Coadministration of BCAAs with carnitine and zinc has also been shown to increase ammonia metabolism further reducing the encephalopathic symptoms
  • Cirrhotic patients benefit from eating frequent, small meals that prevent long fasts which place the patient in a catabolic state
  • the best time for BCAA supplementation is at bedtime to improve the catabolic state during starvation in early morning fasting
  • A late night nutritional snack reduces symptoms of weakness and fatigability, lowers postprandial hyperglycemia, increases skeletal muscle mass,[25] improves nitrogen balance, and increases serum albumin levels.[26] Nocturnal BCAAs even improve serum albumin in cirrhotic patients who show no improvement with daytime BCAAs
  • Protein-energy malnutrition (PEM), with low serum albumin and low muscle mass, occurs in 65-90% of cases of advanced cirrhosis
  • hyperglucagonemia results in a catabolic state eventually producing anorexia and cachexia
  • BCAAs are further depleted from the circulation due to increased uptake by skeletal muscles that use the BCAAs in the synthesis of glutamine, which is produced in order to clear the ammonia that is not cleared by the failing liver
  • patients with chronic liver disease, particularly cirrhosis, routinely have decreased BCAAs and increased aromatic amino acids (AAAs) in their circulation
  • Maintaining a higher serum albumin in patients with cirrhosis is associated with decreased mortality and improved quality of life
  • the serum BCAA concentration is strongly correlated with the serum albumin level
  • Nathan Goodyear on 05 Oct 15
     
    great review of cirrhosis and BCCA supplementation.
Nathan Goodyear

Arch Intern Med -- Abstract: The Progressive Cost of Complications in Type 2 Diabetes M... - 0 views

archinte.ama-assn.org/...1873

health costs healthcare

shared by Nathan Goodyear on 22 Mar 11 - No Cached
  • Per-person costs increased over baseline ($2033) by more than 50% ($1087) after initiation of cardiovascular drug therapy and/or use of a cardiologist, and by 360% ($7352) after a major cardiovascular event. Abnormal renal function increased diabetes treatment costs by 65% ($1337); advanced renal disease, by 195% ($3979); and end-stage renal disease, by 771% ($15,675)
  • Nathan Goodyear on 22 Mar 11
     
    Costs of "poor health"
Nathan Goodyear

Dietary l-Arginine Supplementation Reduces White Fat Gain and Enhances Skeletal Muscle ... - 0 views

jn.nutrition.org/...230.abstract

l-Arginine fat muscle weight loss overweight obesity

shared by Nathan Goodyear on 11 Jul 11 - No Cached
  • Nathan Goodyear on 11 Jul 11
     
    L-Arginine shifts from fat building to muscle building
Nathan Goodyear

Expression and Subcellular Localization of Estrogen Receptors α and β in Huma... - 0 views

press.endocrine.org/...jc.2013-2017

ER ER alpha ER beta estrogen receptor fat

shared by Nathan Goodyear on 06 Jan 14 - No Cached
  • Nathan Goodyear on 06 Jan 14
     
    ER alpha and ER beta expressed on fetal fat cells.  The authors of this article propose that ER alpha plays the dominant in fetal adipocyte differentiation.
Green Hill Tea

Gyokuro Genmaicha Tea - 0 views

www.whiteteawholesale.com/...gyokuro.htm

Gyokuro Genmaicha Tea Green Wellness

shared by Green Hill Tea on 19 Jan 15 - No Cached
  • Green Hill Tea on 19 Jan 15
     
    delicious and sumptuous Gen mai cha tea is made of Bancha and Sencha leaves combined with fire-toasted brown rice.
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