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Nathan Goodyear

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

  • 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
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  • 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
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    Data from MESA study finds that increasing endogenous Estradiol, Total and free Testosterone, DHEA, and lower SHBG were associated with hypertension in postmenopausal women.
Nathan Goodyear

Testosterone and Estradiol Regulate Free Insulin-Like Growth Factor I (IGF-I), IGF Bind... - 0 views

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    testosterone and Estradiol effect IGF-1 levels.  This small study looked at 8 men and 8 postmenopausal women.  Findings:  low testosterone and high estradiol decrease IGF-1 availability.   Estradiol in postmenopausal women will result in a decrease in IGF-1 through an elevation of IGFBP-1.  In men, testosterone replacement stimulates increased HGH secretion and resultant IGF-1 secretion
Nathan Goodyear

Weight Loss Reduces C-Reactive Protein Levels in Obese Postmenopausal Women - 0 views

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    Weight loss in postmenopausal women reduces crp levels.  Translated: weight loss reduces fat induced inflammation and thus Cardiovascular disease.
Nathan Goodyear

Arch Intern Med -- Abstract: Statin Use and Risk of Diabetes Mellitus in Postmenopausal... - 0 views

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    New study reveals that statin drug of any kind increases the risk of type II diabetes by 48% in postmenopausal women
Nathan Goodyear

Arch Intern Med -- Abstract: Statin Use and Risk of Diabetes Mellitus in Postmenopausal... - 0 views

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    Statin drugs shown to increase risk of Diabetes in postmenopausal women
Nathan Goodyear

Sugar-Sweetened Beverage Intake and the Risk of Type I and Type II Endometrial Cancer a... - 0 views

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    intake of sugar drinks i.e. coke associated with increased risk of type I endometrial cancer in postmenopausal women.
Nathan Goodyear

Endogenous sex hormones and C-reactive protein in healthy postmenopausal wome... - 0 views

  • sex hormones such as E1, E2, FEI, T and FAI were also strongly positively associated with age-adjusted CRP levels whereas SHBG showed a strong negative association
  • An intriguing aspect is the observation that higher plasma concentrations of both oestrogenic and androgenic components were related to increased CRP
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    Study finds that lower SHBG, higher Estradiol, Estrone, Testosterone levels, and free androgen index is associated with increased CRP in "healthy" postmenopausal women.
Nathan Goodyear

Association of Endogenous Sex Hormones and Insulin Resistance among Postmenopausal Wome... - 0 views

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    In women, the postmenopause state is associated with a decrease in SHBG, and increase in free Testosterone and Estradiol.  No increase in Total Testosterone was found in this study.  This was associated with increased insulin resistance and MetS.
Nathan Goodyear

Endogenous Sex Hormones and Glucose Tolerance Status in Postmenopausal Women - 0 views

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    Increase in free Testosterone, DHEA, and Estradiol in postmenopause women associated with increase in insulin resistance.
Nathan Goodyear

Study Finds Estrogen Therapy Improves Depression and Anxiety in Recently Menopausal Wom... - 0 views

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    Estrogen therapy in women recently postmenopausal, found to improve symptoms of depression and anxiety.  The mean age of women in this study was 52.7.  Average age of menopause is 51, so apprx 1 year postmenopausal in this study.  Both premarin and bioidentical estradiol was used in different arms of the study.  Bioidentical progesterone was used in all 3 arms.
Nathan Goodyear

DHEA-S Levels and Cardiovascular Disease Mortality in Postmenopausal Women: Results fro... - 0 views

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    Low DHEA in postmenopausal women linked to increased risk of mortality, especially Cardiovascular
Nathan Goodyear

Effects of myo-inositol supplementation in postmen... [Menopause. 2011] - PubMed result - 0 views

  • Myo-inositol plus diet improved systolic and diastolic blood pressure, HOMA index, cholesterol, and triglyceride serum levels with highly significant differences,
  • Supplementation with myo-inositol may be considered a reliable option in the treatment of metabolic syndrome in postmenopausal women
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    myo-inositol proven to be a good treatment for those postmenopausal women with metabolic syndrome
Nathan Goodyear

Vascular events in healthy older women receiving calcium supplementation: randomised co... - 0 views

  • Calcium supplementation in healthy postmenopausal women is associated with upward trends in cardiovascular event rates.
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    Calcium increases cardiovascular events in postmenopausal women.  Levels must be checked for any nutrient prior to starting therapy to ensure appropriate therapy.
Nathan Goodyear

Effects of phytoestrogen supplementation in... [Can J Ophthalmol. 2012] - PubMed - NCBI - 0 views

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    Phytoestrogens improve dry eyes in postmenopausal women.
Nathan Goodyear

Comparison of salivary versus serum testos... [Menopause. 2009 Jul-Aug] - PubMed - NCBI - 0 views

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    this study looked at salivary testosterone to serum testosterone and found poor correlation.  One major problem with this study is the significantly smaller amount (10 fold) of testosterone in women than men in healthy individuals.  This study took place in postmenopausal women, which would have significantly lower levels than healthy women.  They also don't discuss the pitfalls of equilibrium dialysis of serum free testosterone.  Another major flaw is the mere logic of looking at serum for tissue activity.   What is the correlation between serum levels and tissue activity.  There is tremendous assumptions being undertaken that serum levels of testosterone whether total or free translate to genomic or non-genomic signaling.  I also wonder if newer techniques using Mass Spec can better detect the typically pico levels of testosterone in women's saliva?  This study does nothing to dissuade the use of salivary testing.
Nathan Goodyear

Low free testosterone levels are associated wi... [Diabetes Care. 2011] - PubMed - NCBI - 0 views

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    low free Testosterone shown to increase mortality risk in postmenopausal, diabetic women.  No association was found with total testosterone or SHBG
Nathan Goodyear

Unequal risks for breast cancer associated with different hormone replacement therapies... - 0 views

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    study of 80,377 postmenopausal women found no increase/decrease in breast cancer in women on estradiol and progesterone (RR 1.0).  However, estradiol and provera (synthetic progestin) found a 69% increased breast cancer risk (RR 1.69).
Nathan Goodyear

Dietary glycemic index and glycemic load and breast cancer risk in the European Prospec... - 0 views

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    high carbohydrate intake associated with increased risk of ER/PR negative breast cancer in Postmenopausal women.
Nathan Goodyear

Estrogen, neuroinflammation and neuroprotection... [Neuroscience. 2006] - PubMed - NCBI - 0 views

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    Estrogen important in reducing neuroinflammation in Parkinson's disease in postmenopausal women?
Nathan Goodyear

Testosterone, SHBG and cardiovascula... [Int J Impot Res. 2010 Mar-Apr] - PubMed - NCBI - 0 views

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    Higher Testosterone and low SHBG  in postmenopausal women is associated with increased CVD risk
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