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Nathan Goodyear

Leptin and the regulation of the hypothalamic-pituitary-adrenal axis. - PubMed - NCBI - 0 views

www.ncbi.nlm.nih.gov/...17725965

Leptin adrenal HPA hormone hormones

shared by Nathan Goodyear on 17 Jun 15 - No Cached
  • Nathan Goodyear on 17 Jun 15
     
    Leptin inhibits hormone production from the adrenal cortex, but increases catecholamine release from the adrenal medulla.
Nathan Goodyear

Stress Sensitivity in Metastatic Breast Cancer: Analysis of Hypothalamic-Pituitary-Adre... - 0 views

www.ncbi.nlm.nih.gov/...PMC1790857

saliva salivary testing breast cancer DHEA

shared by Nathan Goodyear on 28 Jan 11 - No Cached
  • Nathan Goodyear on 28 Jan 11
     
    salivary cortisol and DHEA used to evaluate hypothalamic-pituitary changes in cancer survivors to predict survival
Nathan Goodyear

Salivary cortisol for assessment of hypothalamic-p... [Neuroimmunomodulation. 2009] - P... - 0 views

www.ncbi.nlm.nih.gov/...19571589

saliva salivary hormone hormones testing cortisol

shared by Nathan Goodyear on 15 Nov 10 - No Cached
  • Sampling for salivary cortisol determination is a sensitive, specific and pain-free procedure and it is therefore very useful for following healthy and sick children before, during and after pharmacological interventions
  • Nathan Goodyear on 15 Nov 10
     
    Salivary cortisol for assessment of hypothalamic-pituitary-adrenal axis function.
Nathan Goodyear

Reliability of hypothalamic-pituitary-adrena... [Eur J Epidemiol. 2011] - PubMed - NCBI - 0 views

www.ncbi.nlm.nih.gov/...21533585

saliva salivary hormone hormones cortisol HPA hypothalamic-pituitary-adrenal axis

shared by Nathan Goodyear on 24 Jun 13 - No Cached
  • Nathan Goodyear on 24 Jun 13
     
    Study finds salivary cortisol testing is "reliable" measure of chronic cortisol production.  This study found similarity between diurnal cortisol and dexamethasone suppressed cortisol and adrenal gland volume based on literature review.
Nathan Goodyear

Effect of vasopressin 1b receptor blockade on the hypothalamic-pituitary-adrenal respon... - 0 views

joe.endocrinology-journals.org/...285.full.pdf

stress HPA hypothalamus pituitary axis hypothalamic-pituitary chronic CRH AVP vasopressin

shared by Nathan Goodyear on 03 Oct 12 - No Cached
  • Nathan Goodyear on 03 Oct 12
     
    repeated stress results in down regulation of central stress response ie. blunted CRH response.
Nathan Goodyear

Salivary cortisol determined by enzyme immunoassay... [Clin Endocrinol (Oxf). 2005] - P... - 0 views

www.ncbi.nlm.nih.gov/...16117823

saliva testing hormone salivary cortisol HPA axis

shared by Nathan Goodyear on 22 Nov 10 - No Cached
  • Nathan Goodyear on 22 Nov 10
     
    Salivary cortisol determined by enzyme immunoassay is preferable to serum total cortisol for assessment of dynamic hypothalamic--pituitary--adrenal axis activity.
Nathan Goodyear

Hypothalamic-pituitary-adrenal stress axis function and the relationship with chronic w... - 0 views

www.ncbi.nlm.nih.gov/...PMC1257426

stress HPA adrenal adrenals cortisol saliva salivary pain

shared by Nathan Goodyear on 01 May 12 - No Cached
  • Nathan Goodyear on 01 May 12
     
    Those with chronic pain shown to have HPA dysfunction.  Elevated cortisol was found via saliva evaluation.  This with pain had the higher cortisol levels.
Nathan Goodyear

Hypothalamic-pituitary-adrenal axis, neuroendorine factors and stress - 0 views

cfids-cab.org/...tsigos.chrousos02.pdf

stress cortisol HPA

shared by Nathan Goodyear on 01 Feb 13 - No Cached
  • Nathan Goodyear on 01 Feb 13
     
    Great review on how stress effects the neuroimmunoendocrine systems.
Nathan Goodyear

The hypothalamic-pituitary-adrenal axis and sex hormones in chronic stress and obesity:... - 0 views

www.ncbi.nlm.nih.gov/...PMC3464358

obesity overweight stress HPA hormones

shared by Nathan Goodyear on 19 Feb 13 - No Cached
  • Nathan Goodyear on 19 Feb 13
     
    Very nice article on the thoughts currently involving stress, overactivity of the HPA axis and obesity.
Nathan Goodyear

Diagnosis of secondary adrenal insufficiency in patients with hypothalamic-pituitary di... - 0 views

www.eje-online.org/...9.full

saliva salivary cortisol hormone hormones HPA

shared by Nathan Goodyear on 22 Aug 12 - No Cached
  • Nathan Goodyear on 22 Aug 12
     
    European journal of endocrinology article compared serum to salivary cortisol and found them to be equal, but due to ease of collection, salivary cortisol to be preferable.  This article was using cortisol to assess HPA axis dysfunction.
Nathan Goodyear

Diagnosis of secondary adrenal insufficiency in patients with hypothalamic-pituitary di... - 1 views

www.eje-online.org/...9.short

saliva salivary testing test evaluation cortisol hormone hormones BHRT

shared by Nathan Goodyear on 28 Nov 11 - No Cached
  • Nathan Goodyear on 28 Nov 11
     
    salivary cortisol testing said to be "first-line" and preferable to serum cortisol evaluation
Nathan Goodyear

The stress response and the hypothalamic‐pituitary‐adrenal axis: from molecul... - 0 views

qjmed.oxfordjournals.org/...323.long

stress response HPA cortisol immune system inflammation inflammatory cytokines

shared by Nathan Goodyear on 01 Oct 13 - No Cached
  • Nathan Goodyear on 01 Oct 13
     
    Good review of the interaction between the HPA stress response and the immune system.
Nathan Goodyear

Leptin inhibition of the hypothalamic-pituitary-adrenal axis in response to stress. - P... - 0 views

www.ncbi.nlm.nih.gov/...9275075

leptin CRH HPA axis HPA hormone hormones

shared by Nathan Goodyear on 17 Jun 15 - No Cached
  • Nathan Goodyear on 17 Jun 15
     
    Leptin inhibits CRH, thus decreasing the HPA axis.
Nathan Goodyear

Diurnal cortisol rhythm and fatigue in breast canc... [Psychoneuroendocrinology. 2005] ... - 0 views

www.ncbi.nlm.nih.gov/...15358446

cortisol saliva salivary testing breast cancer

shared by Nathan Goodyear on 26 Jan 11 - No Cached
  • Results suggest a subtle dysregulation in hypothalamic-pituitary-adrenal axis functioning in breast cancer survivors with persistent fatigu
  • Nathan Goodyear on 26 Jan 11
     
    salivary cortisol predictive of fatigue in breast cancer survivors
Nathan Goodyear

Salivary cortisol determined by enzyme immunoassay is preferable to serum total cortiso... - 0 views

onlinelibrary.wiley.com/...full

saliva salivary cortisol hormone testing

shared by Nathan Goodyear on 12 Jul 11 - No Cached
  • Nathan Goodyear on 12 Jul 11
     
    salivary testing of cortisol proven to be a better test than blood cortisol.  Published in Clinical Endocrinology, '05.  Salivary cortisol testing is best test to evaluate cortisol levels.
Nathan Goodyear

Sex differences in the adult HPA axis and affectiv... [Brain Res. 2014] - PubMed - NCBI - 0 views

www.ncbi.nlm.nih.gov/...24857958

bisphenol A Bisphenol-A BPA xenoestrogen HPA hypothalamic-pituitary-adrenal EDR endocrine disrupter brain hormone hormones

shared by Nathan Goodyear on 27 May 14 - No Cached
  • Nathan Goodyear on 27 May 14
     
    Animal study finds that Bisphenol A exposure in utero has profound different effects in male offspring versus female offspring.  In the male offspring there appears to be an up regulation of the HPA axis.  The opposite appears true in the female off spring.  Additionally, the receptors are effected differently as well.
Nathan Goodyear

Overtraining Syndrome - 0 views

www.ncbi.nlm.nih.gov/...PMC3435910

overtraining syndrome OTS exercise athletes cortisol adrenals Testosterone Testosterone:Cortisol hormones

shared by Nathan Goodyear on 29 Jan 16 - No Cached
  • Alterations in the HPA and hypothalamic-pituitary-gonadal axes with a resultant decrease in testosterone:cortisol ratios have been implicated in OTS. Proinflammatory cytokines are potent activators of the HPA system, which cause release of corticotropin-releasing hormone, adrenocorticotropic hormone, and cortisol. These cytokines suppress testosterone through central inhibition
  • Some have suggested that a decreased testosterone:cortisol ratio can be diagnostic of NFO and/or OTS. However, the ratio represents the physiologic strain of training rather than the athlete’s maladaption to that stress
  • Cortisol (catabolic and anti-inflammatory) is converted to inactive cortisone by 11β-HSD2
  • ...2 more annotations...
  • A prospective study found a clinically significant increase in overnight urinary cortisol:cortisone ratio during a high training load period in triathletes, who subsequently underperformed and reported fatigue
  • It is proposed that cytokines may inhibit 11β-HSD2 activity and result in relative increases in cortisol and, hence, catabolism
  • Nathan Goodyear on 29 Jan 16
     
    Overtraining syndrome described.
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