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Nathan Goodyear

Glucocorticoids and 11beta-hydroxysteroid... [Minerva Endocrinol. 2007] - PubMed - NCBI - 0 views

www.ncbi.nlm.nih.gov/...17912154

cortisol 11-betaHSD1 obesity metabolic syndrome

shared by Nathan Goodyear on 14 Mar 12 - No Cached
  • Nathan Goodyear on 14 Mar 12
     
    Dysregulation of 11-betaHSD1 plays significant role in metabolic syndrome.  Decreased 11-betaHSD activity is found in the liver and increased 11-betaHSD1  is found in peripheral fat.  Take home: 11-betaHSD1 activity and cortisol metabolism differs in different tissue
Nathan Goodyear

Tissue-Specific Dysregulation of Cortisol Metabolism in Human Obesity - 0 views

jcem.endojournals.org/...1418.short

11-betaHSD cortisone cortisol men obesity overweight fat adipose tissue adiposity

shared by Nathan Goodyear on 13 Mar 12 - No Cached
  • Nathan Goodyear on 13 Mar 12
     
    dysregulated cortisol metabolism plays a role in obesity.  This study looked at obese men.  Decreased liver 11-betaHSD1 activity was found in the liver, with decreased cortisone to cortisol conversion.  Additionally, increase cortisol metabolites were found.  However, there was found to be an increase in 11-betaHSD1 activity in the adipose tissue increasing the cortisone to cortisol conversion indicating an increase in peripheral cortisol production.
Nathan Goodyear

Obesity - Abstract of article: 11[beta]-Hydroxysteroid Dehydrogenase 2 Activity Is Elev... - 0 views

www.nature.com/...oby2008218a.html

11-betaHSD type I II adipose tissue obese IR insulin resistance sensitivity

shared by Nathan Goodyear on 13 Mar 12 - No Cached
  • Nathan Goodyear on 13 Mar 12
     
    11-betaHSD type II increased in adipose tissue.  This correlates with insulin sensitivity.
Nathan Goodyear

11beta-hydroxysteroid dehydrogenase type 1 an... [Front Horm Res. 2008] - PubMed - NCBI - 0 views

www.ncbi.nlm.nih.gov/...18230901

11-betaHSD1 fat adipose tissue adipoxytes liver metabolic syndrome insulin resistance dyslipidemia hypertension fatty

shared by Nathan Goodyear on 14 Mar 12 - No Cached
  • Adipose-selective 11beta -HSD1 transgenic mice exhibited elevated intra-adipose and portal, but not systemic corticosterone levels, abdominal obesity, hyperglycaemia, insulin resistance, dyslipidaemia and hypertension
  • transgenic overexpression of 11beta -HSD1 in liver yielded an attenuated metabolic syndrome with mild insulin resistance, dyslipidaemia, hypertension and fatty liver, but not obesity or glucose intolerance
  • Nathan Goodyear on 14 Mar 12
     
    11-betaHSD1 expression and effect is site specific.
Nathan Goodyear

Body Fat Distribution and Cortisol Metabolism in Healthy Men: Enhanced 5β-Red... - 0 views

jcem.endojournals.org/...4924.long

cortisone cortisol obesity overweight men 11-betaHSD type 1 5-alpha reductase metabolism

shared by Nathan Goodyear on 13 Mar 12 - No Cached
  • Nathan Goodyear on 13 Mar 12
     
    increased 11-betaHSD type 1 and increased 5-alpha reductase activity found to be associated with generalized obesity in men.  Both indicate increased cortisone to cortisol production.  
Nathan Goodyear

Increased 5α-Reductase Activity and Adrenocortical Drive in Women with Polycy... - 0 views

jcem.endojournals.org/...3558.long

5-alpha reductase activity women PCOS PCO polycystic ovary ovarian syndrome 11-betaHSD

shared by Nathan Goodyear on 13 Mar 12 - No Cached
  • Nathan Goodyear on 13 Mar 12
     
    increased 5-alpha reductase activity found in women with PCOS. Weight showed no variance.  Additionally, no change in 11-betaHSD activity was found.
Nathan Goodyear

Microglia express functional 11 beta-hydroxysteroid deh... [Glia. 2010] - PubMed - NCBI - 0 views

www.ncbi.nlm.nih.gov/...20544861

11-betaHSD 11-betaHSD1 microglia brain cortisol hormone hormones

shared by Nathan Goodyear on 05 Jun 14 - No Cached
  • Nathan Goodyear on 05 Jun 14
     
    microglia in the brain express 11 beta-hydroxysteroid dehydrogenase type 1 only.  This consistent with the brain as a whole.
Nathan Goodyear

Tissue-Specific Increases in 11β-Hydroxysteroid Dehydrogenase Type 1 in Norma... - 0 views

www.ncbi.nlm.nih.gov/...PMC2795198

menopause 11-betaHSD1 11-betaHSD cortisol post-menopause post menopause women hormone hormones metabolism weight

shared by Nathan Goodyear on 29 May 14 - No Cached
  • Nathan Goodyear on 29 May 14
     
    11 beta HSD type 1 increases in menopause in normal weight women.  This may explain some of the metabolism changes seen in women post-menopause.
Nathan Goodyear

Liver X Receptors Downregulate 11β-Hydroxysteroid Dehydrogenase Type 1 Expres... - 0 views

diabetes.diabetesjournals.org/...2426.long

11-betaHSD 11-betaHSD1 cortisol hormone hormones liver fat adipose tissue adipose tissue

shared by Nathan Goodyear on 05 Jun 14 - No Cached
  • Nathan Goodyear on 05 Jun 14
     
    11beta-HSD type 1 is predominantly expressed in liver and adipose tissue.
Nathan Goodyear

Immunohistochemical localization of ... [J Clin Endocrinol Metab. 1998] - PubMed - NCBI - 0 views

www.ncbi.nlm.nih.gov/...9543163

11-betaHSD 11-betaHSD1 cortisol hormone hormones ovary liver fat adipose tissue adrenal glands

shared by Nathan Goodyear on 05 Jun 14 - No Cached
  • Nathan Goodyear on 05 Jun 14
     
    11beta-HSD type I is highly expressed in liver, adrenal glands, ovaries, and adipose tissue in human immunohistochemical analysis.
Nathan Goodyear

Inhibitory effects of some possible endocrine-di... [Environ Sci. 2005] - PubMed - NCBI - 0 views

www.ncbi.nlm.nih.gov/...16184081

endocrine disrupting chemicals hormone hormones cortisol cortisone endocrine disruptors EDC 11-betaHSD 11-betaHSD1 11beta-HSD2

shared by Nathan Goodyear on 05 Jun 14 - No Cached
  • Nathan Goodyear on 05 Jun 14
     
    11beta-HSD type I and type II are no equally expressed across all tissues.  Endocrine disrupting chemicals (EDC) inhibit both.
Nathan Goodyear

11Beta hydroxysteroid dehydrogenase ty... [Clin Endocrinol (Oxf). 2006] - PubMed - NCBI - 0 views

www.ncbi.nlm.nih.gov/...17121533

11-betaHSD 11-betaHSD1 muscle hormone hormones

shared by Nathan Goodyear on 05 Jun 14 - No Cached
  • Nathan Goodyear on 05 Jun 14
     
    11beta-HSD type I dominantly expressed in muscle.
Nathan Goodyear

11β-HSD1 inhibition ameliorates metabolic syndrome and prevents progression o... - 0 views

www.ncbi.nlm.nih.gov/...PMC2212859

11-betaHSD1 11-betaHSD metabolic syndrome atherosclerosis

shared by Nathan Goodyear on 14 Jul 15 - No Cached
  • Nathan Goodyear on 14 Jul 15
     
    inhibition of 11beta-HSD1 improves metabolic syndrome and atherosclerosis.  This suggests that metabolic syndrome is associated with increase 11beta-HSD1 expression/activity.  Animal study
Nathan Goodyear

11β-HSD1 is the major regulator of ... [Proc Natl Acad Sci U S A. 2014] - Pub... - 0 views

www.ncbi.nlm.nih.gov/...24889609

11-betaHSD1 11-betaHSD adipose tissue obesity glucocorticoids cortisol

shared by Nathan Goodyear on 04 Jun 14 - No Cached
  • Nathan Goodyear on 04 Jun 14
     
    Study proposes that 11beta-HSD type 1 is the key to linking glucocorticoids and metabolic dysfunction.  The key point of this study is that it is the adipose tissue expression of 11beta-HSD type 1 that is the key.
Nathan Goodyear

Syndrome of apparent mineralocorticoid excess. A defect in the cortisol-cortisone shuttle. - 0 views

www.ncbi.nlm.nih.gov/...PMC303514

cortisol mineralcorticoid low potassium hypokalemia hypertension 11-betaHSD

shared by Nathan Goodyear on 24 Apr 12 - No Cached
  • These results suggest that cortisol acts as a potent mineralocorticoid in 11 beta-OHSD deficiency
  • major site for the oxidation of cortisol to cortisone is the kidney
  • congenital deficiency of 11 beta-OHSD results in high intrarenal cortisol levels which then act on renal type I mineralocorticoid receptors
  • ...1 more annotation...
  • deficiency of 11 beta-OHSD results in high intrarenal cortisol concentrations that then bind to the type I receptor.
  • Nathan Goodyear on 24 Apr 12
     
    mechanism of how cortisol acts as a mineralcorticoid in those with dysfunctional 11-beta HSD activity.
Nathan Goodyear

Dietary Macronutrient Content Alters Cortisol Metabolism Independently of Body Weight C... - 0 views

jcem.endojournals.org/...4480.long

cortisol 11-betaHSD1 low carb diet low carb carbohydrates metabolism macronutrients

shared by Nathan Goodyear on 07 Oct 13 - No Cached
  • Nathan Goodyear on 07 Oct 13
     
    Extra-adrenal cortisol production is increased by 11-Beta-HSD1 via low Carb diet.  This is counter to that seen in mice studies.  The fat content of the diet could explain this.  This study looked at men.
Nathan Goodyear

Activation of the hypothalamic-pituitary... [Growth Horm IGF Res. 2001] - PubMed - NCBI - 0 views

www.ncbi.nlm.nih.gov/...11527096

cortisol cortisone obesity obese adipose tissue 11-betaHSD1 5-alpha reductase

shared by Nathan Goodyear on 24 Apr 12 - No Cached
  • Nathan Goodyear on 24 Apr 12
     
    obesity is associated with increased cortisol metabolism.  This would be found in increased urinary metabolites, especially via the 5-allpha reductase pathway.  Increased cortisone to cortisol production occurs via 11 beta-HSD1.  This occurs predominately in adipose tissue.  The thought here is cortisol metabolism is tissue specific and functionally different.
Nathan Goodyear

Altered Cortisol Metabolism in Polycystic Ovary Syndrome: Insulin Enhances 5α... - 0 views

jcem.endojournals.org/...5907.short

PCOS women lean 11-betaHSD1 5-alpha-reductase androgens testosterone insulin syndrome

shared by Nathan Goodyear on 25 Apr 12 - No Cached
  • Nathan Goodyear on 25 Apr 12
     
    lean women with PCOS found to have reduced 11 beta-HSD1 and increased 5 alpha reductase activity.  This, in part, is associated with the elevated cortisol and androgens in these women.
Nathan Goodyear

The effect of common genetic variati... [J Clin Endocrinol Metab. 2012] - PubMed - NCBI - 0 views

www.ncbi.nlm.nih.gov/...22112815

saliva salivary hormone hormones depression 11-betaHSD1 HPA SNPs

shared by Nathan Goodyear on 10 Oct 12 - No Cached
  • Nathan Goodyear on 10 Oct 12
     
    hyperactive HPA axis associated with depression. This is becoming evident in the literature.  This study looked at SNPS in the etiology of elevated cortisol and/or androstenedione.  They followed the results with saliva and found that 3 SNPS were associated with increased 11Beta-HSD1 activity and associated increased depression.
Nathan Goodyear

Dehydroepiandrosterone exerts antiglucocorticoid action on human preadipocyte prolifera... - 0 views

ajpendo.physiology.org/...E1134

DHEA 11-betaHSD1 11beta-HSD1 adipocyte glucose hormone hormones

shared by Nathan Goodyear on 14 Nov 13 - No Cached
  • Nathan Goodyear on 14 Nov 13
     
    Animal study, finds that DHEA inhibited 11beta-HSD type I and thus improved glucose uptake and adipocyte proliferation.  This effect occurred peripherally.
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