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Nathan Goodyear

Androgen Deprivation Therapy and the Re-em... [Oncol Hematol Rev. 2014] - PubMed - NCBI - 0 views

www.ncbi.nlm.nih.gov/...24932461

androgen deprivation therapy ADT estrogen Testosterone men male hormone hormones Prostate cancer CVD cardiovascular disease

shared by Nathan Goodyear on 08 Jul 14 - No Cached
  • Nathan Goodyear on 08 Jul 14
     
    Sometimes I think medicine has lost its mind.  Or at least, it is not thinking things through.  To give IV estrogen to decrease Testosteorne in men with prostate cancer is devoid of the pathophysiology of prostate cancer and cardiovascular disease in men.  Elevated Estradiol in men increases CRP, IL-1beta, and TNF-alpha to name a few cytokines.  The proported purpose of the IV estrogen is to prevent the cardiovascular complications associated with ADT.  Yet, elevated aromatase activity and low T in men are both shown to be associated with increased CVD in men.
Nathan Goodyear

Sex hormones influence on the immune system: basic and clinical aspects in autoimmunity - 0 views

lup.sagepub.com/...635.short

aromatase testosterone estrogen estradiol IL-6 TNF-alpha IL-1 autoimmune disease inflammation inflammatory cytokines men hormones immune system

shared by Nathan Goodyear on 29 Apr 12 - No Cached
  • Nathan Goodyear on 29 Apr 12
     
    high conversion of testosterone to estrogen conversion in men is from increased aromatase activity.  Inflammatory cytokines, such as IL-6, TNF-alpha, has been shown to increase aromatase activity and at the same time increase IL-6 and other inflammatory cytokines is the result of increased aromatase activity.
Nathan Goodyear

ENDOGENOUS SEX HORMONES, BLOOD PRESSURE CHANGE, AND RISK OF HYPERTENSION IN POSTMENOPAU... - 0 views

www.ncbi.nlm.nih.gov/...PMC3428144

hormone hormones Testosterone Estradiol Estrogen women CVD cardiovascular disease female SHBG hypertension post-menopause blood pressure

shared by Nathan Goodyear on 02 Feb 15 - No Cached
  • Among postmenopausal women, serum T was elevated in hypertensive participants [9, 11, 12], and total T, free T, and DHEA were positively correlated with SBP
  • T and DHEA were attenuated by adjustment for BMI, reflecting either a confounding or a mediating effect of obesity
  • SHBG concentration was inversely associated with risk of hypertension and longitudinal rise of BP over time
  • ...8 more annotations...
  • SHBG has been postulated as a marker for insulin resistance
  • In vitro studies showed that insulin inhibits SHBG production from hepatoma cells
  • In intervention studies, successful weight loss and weight maintenance increased SHBG in men with obesity
  • E2 may also induce insulin resistance and thereafter tend to raise BP.
  • strong association between E2 and measures of insulin resistance in postmenopausal women, independent of adiposity
  • In postmenopausal women that received hormone replacement therapy, estrogen therapy increased mononuclear cell secretion of tumor necrosis factor alpha (TNF-α)
  • estrone levels were positively associated with inflammatory markers in postmenopausal women
  • higher baseline concentrations of endogenous E2, total and bioavailable T, and DHEA and lower concentration of SHBG were associated with a higher incidence of hypertension and a greater increase in BP during follow-up
  • Nathan Goodyear on 02 Feb 15
     
    Data from MESA study finds that increasing endogenous Estradiol, Total and free Testosterone, DHEA, and lower SHBG were associated with hypertension in postmenopausal women.
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