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Nathan Goodyear

Toxicity of the spike protein of COVID-19 is a redox shift phenomenon: A novel therapeu... - 0 views

  • Redox shift is due to Warburg effect and mitochondrial impairment.
  • Redox shift is due to Warburg effect and mitochondrial impairment.
  • Redox shift is due to Warburg effect and mitochondrial impairment.
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  • The cytokine storm is a consequence of mitochondrial dysfunction
  • The cytokine storm is a consequence of mitochondrial dysfunction
  • The cytokine storm is a consequence of mitochondrial dysfunction
  • The cytokine storm is a consequence of mitochondrial dysfunction
  • Lipoic acid, Methylene Blue and Chlorine dioxide relieve COVID-19 spike protein toxicity
  • Lipoic acid, Methylene Blue and Chlorine dioxide relieve COVID-19 spike protein toxicity
  • Lipoic acid, Methylene Blue and Chlorine dioxide relieve COVID-19 spike protein toxicity
  • Lipoic acid, Methylene Blue and Chlorine dioxide relieve COVID-19 spike protein toxicity
  • most diseases display a form of anabolism due to mitochondrial impairment
  • most diseases display a form of anabolism due to mitochondrial impairment
  • most diseases display a form of anabolism due to mitochondrial impairment
  • infection by Covid-19 follows a similar pattern
  • chronic inflammation
  • Long-term effects include redox shift and cellular anabolism as a result of the Warburg effect and mitochondrial dysfunction
  • Long-term effects include redox shift and cellular anabolism as a result of the Warburg effect and mitochondrial dysfunction
  • Long-term effects include redox shift and cellular anabolism as a result of the Warburg effect and mitochondrial dysfunction
  • Long-term effects include redox shift and cellular anabolism as a result of the Warburg effect and mitochondrial dysfunction
  • infection by Covid-19 follows a similar pattern
  • unrelenting anabolism leads to the cytokine storm,
  • unrelenting anabolism leads to the cytokine storm,
  • unrelenting anabolism leads to the cytokine storm,
  • chronic inflammation
  • chronic inflammation
  • infection by Covid-19 follows a similar pattern
  • Lipoic acid and Methylene Blue have been shown to enhance the mitochondrial activity, relieve the Warburg effect and increase catabolism
  • Lipoic acid and Methylene Blue have been shown to enhance the mitochondrial activity, relieve the Warburg effect and increase catabolism
  • Lipoic acid and Methylene Blue have been shown to enhance the mitochondrial activity, relieve the Warburg effect and increase catabolism
  • Methylene Blue, Chlorine dioxide and Lipoic acid may help reduce long-term Covid-19 effects by stimulating the catabolism
  • Methylene Blue, Chlorine dioxide and Lipoic acid may help reduce long-term Covid-19 effects by stimulating the catabolism
  • Methylene Blue, Chlorine dioxide and Lipoic acid may help reduce long-term Covid-19 effects by stimulating the catabolism
  • direct consequence of redox iMeBalance, itself a consequence of decreased energy yield by the mitochondria
  • direct consequence of redox iMeBalance, itself a consequence of decreased energy yield by the mitochondria
  • mitochondrial dysfunction and increased levels of lactate, which are important characteristics of metabolic shift and Warburg effect in many diseases
  • mitochondrial dysfunction and increased levels of lactate, which are important characteristics of metabolic shift and Warburg effect in many diseases
  • increased lactate dehydrogenase activity (LDH) was observed in COVID-19 patients
  • increased lactate dehydrogenase activity (LDH) was observed in COVID-19 patients
  • almost every disease presents an increased anabolism
  • almost every disease presents an increased anabolism
  • cell division is the most sophisticated way to release entropy
  • cell division is the most sophisticated way to release entropy
    • Nathan Goodyear
       
      Wow
    • Nathan Goodyear
       
      Wow
  • transition from catabolism to anabolism is driven by a redox shift
  • transition from catabolism to anabolism is driven by a redox shift
  • viral spike protein binds to ACE2 receptor of the host cell [22,23].
  • redox signaling plays an important role in regulating immune function and inflammation, and disruptions in this signaling can lead to excessive cytokine production and immune system activation
  • Aging is associated with a poor control of the redox balance
  • thiol/disulfide homeostasis
  • reduced extracellular environment in the elderly and the increased susceptibility to Covid-19 infection
  • reduced extracellular environment in the elderly and the increased susceptibility to Covid-19 infection
  • Redox signaling tightly modulates the inflammatory response and oxidative stress has been reported in acute Covid-19
  • People at high risk are the elderly, patients suffering from metabolic syndrome such as obesity, or those suffering from chronic diseases such as cancer or inflammation
  • COVID-19 patients with severe disease have higher levels of oxidative stress markers and lower antioxidant levels
  • oxidative stress can activate the NLRP3 inflammasome, which is a protein complex that plays a key role in the cytokine storm
  • inflammation leads to the formation of ROS and RNS, while redox iMeBalance results in cellular damage, which in turn triggers an inflammatory response
  • persistently elevated mtROS triggers endothelial dysfunction and inflammation, which results in a vicious loop involving ROS, inflammation, and mitochondrial dysfunction
  • Damaged mitochondria releasing ROS induce inflammation via the NLRP3 inflammasome
  • Damaged mitochondria releasing ROS induce inflammation via the NLRP3 inflammasome
  • reduced environment during the cytokine storm
  • IL-2 is highly up-regulated in Covid-19 patients [37], and IL-2 is known to significantly stimulate the generation of NO in patients
  • Nitric acid is also the key mediator of IL-2-induced hypotension and vascular leak syndrome
  • mitochondrial dysfunction has been linked to the pathogenesis of Covid-19
  • mitochondrial dysfunction triggered by SARS-CoV-2 leads to damage to the mitochondria
  • mitochondrial dysfunction triggered by SARS-CoV-2 leads to damage to the mitochondria
  • As catabolism is decreased, entropy is released through anabolism
  • Elevated levels of lactate, a characteristic of the Warburg effect, were also reported in the high-risk Covid-19
  • elevated levels of ventricular lactic acid consistent with oxidative stress
  • A decrease of ΔΨm is implicated in several inflammation-related diseases
  • decrease in ΔΨm in leucocytes from Covid-19 patients
  • vaccinated with RNA or DNA vaccines triggering the synthesis of the viral spike protein in human cells
  • viral reactivation in varicella-zoster virus [55] or hepatitis [56], coagulopathy and resulting stroke and myocarditis following both DNA-based vaccines [57] and RNA-based vaccines
  • Covid-19, mitochondrial impairment
  • characteristic of the Warburg effect is present in almost every disease and appears to be a central feature in most of the hallmarks of cancer
  • inflammation, mitochondrial dysfunction and increased lactate concentrations in the extracellular fluid
  • In Covid-19, like any inflammation, there is a metabolic rewiring where cells rely on glycolysis
  • As the mitochondria are impaired, the infected cell cannot catabolize efficiently. It will release lactic acid in the blood stream
    • Nathan Goodyear
       
      Mitochondrial impairment
  • Striking similarities are seen between cancer, Alzheimer's disease and Covid-19, all related to the Warburg effect
  • Cancer, inflammation, Alzheimer's, and Parkinson's diseases share a common peculiarity, the inability of the cell to export entropy outside the body in the harmless form of heat
    • Nathan Goodyear
       
      Entropy: lack of order or predictability; gradual decline into disorder.
  • MEB relieves the Warburg effect [87], improves memory [77], is active in the treatment of depressive episodes [79,80] and reduces the importance of ischemic strokes
  • MEB relieves the Warburg effect [87], improves memory [77], is active in the treatment of depressive episodes [79,80] and reduces the importance of ischemic strokes
  • MEB has been shown to inhibit SARS-Cov-2 replication in vitro
  • MEB has been shown to inhibit SARS-Cov-2 replication in vitro
  • It has been shown that Covid-19-patients treated with MEB, have a significant reduction in hospital stay duration and mortality
  • MeB is an acceptor-donor molecule
  • MeB + can take a pair of electrons (of H atoms) and MeBH can release this pair easily, so that MeB is partially recycled like a catalyst
  • MeB acts as an electron bridge between a donor (FADH2, FMNH, NADH) and an acceptor (complex IV of ETC or oxygen itself)
  • As a coenzyme of pyruvate dehydrogenase (PDH), alpha-lipoic acid (ALA) initiates the formation of acetyl-CoA to feed the TCA cycle
  • ALA enhances the catabolism of carbon. cycle and therefore may reduce the Warburg effect and consequently, lactate production
  • Methylene Blue plays a similar role after the TCA cycle, by carrying electrons to complex IV of the electron transport chain
  • Drugs such as lipoic acid and MeB, which target the metabolism, decrease the redox shift by increasing catabolism
Nathan Goodyear

Testosterone: a vascular hormone in health and disease - 0 views

  • Testosterone has beneficial effects on several cardiovascular risk factors, which include cholesterol, endothelial dysfunction and inflammation
  • In clinical studies, acute and chronic testosterone administration increases coronary artery diameter and flow, improves cardiac ischaemia and symptoms in men with chronic stable angina and reduces peripheral vascular resistance in chronic heart failure.
  • testosterone is an L-calcium channel blocker and induces potassium channel activation in vascular smooth muscle cells
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  • Animal studies have consistently demonstrated that testosterone is atheroprotective, whereas testosterone deficiency promotes the early stages of atherogenesis
  • there is no compelling evidence that testosterone replacement to levels within the normal healthy range contributes adversely to the pathogenesis of CVD (Carson & Rosano 2011) or prostate cancer (Morgentaler & Schulman 2009)
  • bidirectional effect between decreased testosterone concentrations and disease pathology exists as concomitant cardiovascular risk factors (including inflammation, obesity and insulin resistance) are known to reduce testosterone levels and that testosterone confers beneficial effects on these cardiovascular risk factors
  • Achieving a normal physiological testosterone concentration through the administration of testosterone replacement therapy (TRT) has been shown to improve risk factors for atherosclerosis including reducing central adiposity and insulin resistance and improving lipid profiles (in particular, lowering cholesterol), clotting and inflammatory profiles and vascular function
  • It is well known that impaired erectile function and CVD are closely related in that ED can be the first clinical manifestation of atherosclerosis often preceding a cardiovascular event by 3–5 years
  • no decrease in the response (i.e. no tachyphylaxis) of testosterone and that patient benefit persists in the long term.
  • free testosterone levels within the physiological range, has been shown to result in a marked increase in both flow- and nitroglycerin-mediated brachial artery vasodilation in men with CAD
  • Clinical studies, however, have revealed either small reductions of 2–3 mm in diastolic pressure or no significant effects when testosterone is replaced within normal physiological limits in humans
  • Endothelium-independent mechanisms of testosterone are considered to occur primarily via the inhibition of voltage-operated Ca2+ channels (VOCCs) and/or activation of K+ channels (KCs) on smooth muscle cells (SMCs)
  • Testosterone shares the same molecular binding site as nifedipine
  • Testosterone increases the expression of endothelial nitric oxide synthase (eNOS) and enhances nitric oxide (NO) production
  • Testosterone also inhibited the Ca2+ influx response to PGF2α
  • one of the major actions of testosterone is on NO and its signalling pathways
  • In addition to direct effects on NOS expression, testosterone may also affect phosphodiesterase type 5 (PDE5 (PDE5A)) gene expression, an enzyme controlling the degradation of cGMP, which acts as a vasodilatory second messenger
  • the significance of the action of testosterone on VSMC apoptosis and proliferation in atherosclerosis is difficult to delineate and may be dependent upon the stage of plaque development
  • Several human studies have shown that carotid IMT (CIMT) and aortic calcification negatively correlate with serum testosterone
  • t long-term testosterone treatment reduced CIMT in men with low testosterone levels and angina
  • neither intracellular nor membrane-associated ARs are required for the rapid vasodilator effect
  • acute responses appear to be AR independent, long-term AR-mediated effects on the vasculature have also been described, primarily in the context of vascular tone regulation via the modulation of gene transcription
  • Testosterone and DHT increased the expression of eNOS in HUVECs
  • oestrogens have been shown to activate eNOS and stimulate NO production in an ERα-dependent manner
  • Several studies, however, have demonstrated that the vasodilatory actions of testosterone are not reduced by aromatase inhibition
  • non-aromatisable DHT elicited similar vasodilation to testosterone treatment in arterial smooth muscle
  • increased endothelial NOS (eNOS) expression and phosphorylation were observed in testosterone- and DHT-treated human umbilical vein endothelial cells
  • Androgen deprivation leads to a reduction in neuronal NOS expression associated with a decrease of intracavernosal pressure in penile arteries during erection, an effect that is promptly reversed by androgen replacement therapy
  • Observational evidence suggests that several pro-inflammatory cytokines (including interleukin 1β (IL1β), IL6, tumour necrosis factor α (TNFα), and highly sensitive CRP) and serum testosterone levels are inversely associated in patients with CAD, T2DM and/or hypogonadism
  • patients with the highest IL1β concentrations had lower endogenous testosterone levels
  • TRT has been reported to significantly reduce TNFα and elevate the circulating anti-inflammatory IL10 in hypogonadal men with CVD
  • testosterone treatment to normalise levels in hypogonadal men with the MetS resulted in a significant reduction in the circulating CRP, IL1β and TNFα, with a trend towards lower IL6 compared with placebo
  • parenteral testosterone undecanoate, CRP decreased significantly in hypogonadal elderly men
  • Higher levels of serum adiponectin have been shown to lower cardiovascular risk
  • Research suggests that the expression of VCAM-1, as induced by pro-inflammatory cytokines such as TNFα or interferon γ (IFNγ (IFNG)) in endothelial cells, can be attenuated by treatment with testosterone
  • Testosterone also inhibits the production of pro-inflammatory cytokines such as IL6, IL1β and TNFα in a range of cell types including human endothelial cells
  • decreased inflammatory response to TNFα and lipopolysaccharide (LPS) in human endothelial cells when treated with DHT
  • The key to unravelling the link between testosterone and its role in atherosclerosis may lay in the understanding of testosterone signalling and the cross-talk between receptors and intracellular events that result in pro- and/or anti-inflammatory actions in athero-sensitive cells.
  • testosterone functions through the AR to modulate adhesion molecule expression
  • pre-treatment with DHT reduced the cytokine-stimulated inflammatory response
  • DHT inhibited NFκB activation
  • DHT could inhibit an LPS-induced upregulation of MCP1
  • Both NFκB and AR act at the transcriptional level and have been experimentally found to be antagonistic to each other
  • As the AR and NFκB are mutual antagonists, their interaction and influence on functions can be bidirectional, with inflammatory agents that activate NFκB interfering with normal androgen signalling as well as the AR interrupting NFκB inflammatory transcription
  • prolonged exposure of vascular cells to the inflammatory activation of NFκB associated with atherosclerosis may reduce or alter any potentially protective effects of testosterone
  • DHT and IFNγ also modulate each other's signalling through interaction at the transcriptional level, suggesting that androgens down-regulate IFN-induced genes
  • (Simoncini et al. 2000a,b). Norata et al. (2010) suggest that part of the testosterone-mediated atheroprotective effects could depend on ER activation mediated by the testosterone/DHT 3β-derivative, 3β-Adiol
  • TNFα-induced induction of ICAM-1, VCAM-1 and E-selectin as well as MCP1 and IL6 was significantly reduced by a pre-incubation with 3β-Adiol in HUVECs
  • 3β-Adiol also reduced LPS-induced gene expression of IL6, TNFα, cyclooxygenase 2 (COX2 (PTGS2)), CD40, CX3CR1, plasminogen activator inhibitor-1, MMP9, resistin, pentraxin-3 and MCP1 in the monocytic cell line U937 (Norata et al. 2010)
  • This study suggests that testosterone metabolites, other than those generated through aromatisation, could exert anti-inflammatory effects that are mediated by ER activation.
  • The authors suggest that DHT differentially effects COX2 levels under physiological and pathophysiological conditions in human coronary artery smooth muscle cells and via AR-dependent and -independent mechanisms influenced by the physiological state of the cell
  • There are, however, a number of systematic meta-analyses of clinical trials of TRT that have not demonstrated an increased risk of adverse cardiovascular events or mortality
  • The TOM trial, which was designed to investigate the effect of TRT on frailty in elderly men, was terminated prematurely as a result of an increased incidence of cardiovascular-related events after 6 months in the treatment arm
  • trials of TRT in men with either chronic stable angina or chronic cardiac failure have also found no increase in either cardiovascular events or mortality in studies up to 12 months
  • Evidence may therefore suggest that low testosterone levels and testosterone levels above the normal range have an adverse effect on CVD, whereas testosterone levels titrated to within the mid- to upper-normal range have at least a neutral effect or, taking into account the knowledge of the beneficial effects of testosterone on a series of cardiovascular risk factors, there may possibly be a cardioprotective action
  • The effect of testosterone on human vascular function is a complex issue and may be dependent upon the underlying androgen and/or disease status.
  • the majority of studies suggest that testosterone may display both acute and chronic vasodilatory effects upon various vascular beds at both physiological and supraphysiological concentrations and via endothelium-dependent and -independent mechanisms
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    Good deep look into the testosterone and CVD link.
Nathan Goodyear

Nutrition Journal | Full text | Homocysteine and reactive oxygen species in metabolic s... - 0 views

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    homocysteine contributes to atherogenesis and CVD via: increased ROS, induces endothelial dysfunction, increases platelete adhesion and thrombosis, increases smooth muscle cell proliferation, endothelial cell cytotoxicity, increases LDL oxidation, vasoconstriction, increased MCP-1 and IL-8, and induces endothelial HMG CoA reductase.
Nathan Goodyear

Equine Estrogens Impair Nitric Oxide Production and Endothelial Nitric Oxide ... - 0 views

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    This is the perfect study to compare synthetic, unnatural hormones with bioidentical hormones.  Premarin was compared with bioidentical estradiol.  Premarin reduced the endothelial NO synthase transcription and activity by 30-50% compared to Estradiol.   Thus, premarin results in a lower NO production and thus greater endothelial dysfunction compared to Estradiol.
Nathan Goodyear

C-Reactive Protein in Healthy Subjects: Associations With Obesity, Insulin Resistance, ... - 0 views

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    The summary statement of this article says it all: "chronic inflammatory state may induce insulin resistance and endothelial dysfunction..."  Inflammation causes insulin dysfunction. And in fact, we know this to be true.  We know that IL-1B and TNF-alpha stimulated by NF-KappaB actually inhibits insulin action via disruption of the GLUT4 receptor.
Nathan Goodyear

Erectile dysfunction may be the first clini... [Clin Res Cardiol. 2013] - PubMed - NCBI - 0 views

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    ED may be the earliest of signs for endothelial dysfunction, insulin resistance, and CVD in young men.
Nathan Goodyear

Insulin resistance and endothelial function are improved after folate and vitamin B12 t... - 0 views

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    Vitamin B12 and Folic acid improves insulin resistance, endothelial dysfunction, and reduces homocysteine levels by 28% in those with metabolic syndrome.
Nathan Goodyear

Long-Term Glycemic Control Influences the Long-Lasting Effect of Hyperglycemia on Endot... - 0 views

  • Combining insulin and vitamin C, however, normalized endothelial dysfunction and nitrotyrosine.
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    Vitamin C normalized vascular dysfunction found in Diabetes
Nathan Goodyear

Androgenicity and venous endothelial function in post-menopausal women. - Abstract - Eu... - 1 views

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    Increasing free androgen index associated with increasing vascular endothelial inflammation and dysfunction.
Nathan Goodyear

Vitamin C Improves Endothelium-Dependent Vasodilation by Restoring Nitric Oxide Activit... - 0 views

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    IV Vitamin C improves endothelial vasodilation in essential hypertension.  The Vitamin C reduces the oxygen free radicals which allowed eNOS to increase NO production.  Two take homes: oxygen free radicals may be responsible for the endothelial dysfunction that leads to essential hypertension and vitamin C, particularly IV, can be used to counter this process.  Other studies have shown IV vitamin C to be anti-hypertensive in its action.
Nathan Goodyear

Low Testosterone Concentration and Atherosclerotic Disease Markers in Male Patients Wit... - 0 views

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    Study of men < 70 finds that low Total Testosterone and Free Testosterone is associated with increased Carotid Intima-media thickness (CIMT), increased endothelial dysfunction.  Atherosclerotic plaque and hsCRP were also found to correlate but were adjusted out when age, DM, HgbA1c, lipids, and BMI were excluded.
Nathan Goodyear

Irbesartan and Lipoic Acid Improve Endothelial Function and Reduce Markers of Inflammat... - 0 views

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    Alpha Lipoic Acid improves endothelial function and reduces inflammation markers found elevated in Metabolic Syndrome
Nathan Goodyear

Endothelial cell damage is the central part of COVID-19 and a mouse model induced by in... - 0 views

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    It is concluded that ACE2+ endothelial damage is a central part of SARS-CoV2 pathology and may be induced by the spike protein alone.
Nathan Goodyear

Homocysteine and Endothelial Dysfunction: A Link with Cardiovascular Disease - 0 views

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    No surprise that homocysteine is associated with vascular dysfunction, when elevated;  But the mechanism is elucidated here through ROS generation.
Nathan Goodyear

A randomised interventional trial of omega-3-p... [Ann Rheum Dis. 2008] - PubMed - NCBI - 0 views

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    Omega-3 supplementation beneficial in patients with Lupus.  This study found a reduction in oxidative stress and endothelial dysfunction
Nathan Goodyear

International Journal of Impotence Research - Obesity, low testosterone levels and erec... - 0 views

  • Studies have shown that ED may be an early biomarker of general endothelial dysfunction, atherosclerosis and CVD
  • testosterone treatment of hypogonadal young and older men improves sexual function, increases lean mass and decreases fat mass
  • In men with low serum testosterone (for example, &lt;8 or 230 nmol l−1) with obesity, metabolic syndrome and diabetes mellitus, treatment with testosterone is warranted
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  • In obese middle-aged men, testosterone treatment reduced visceral adipocity, insulin resistance, serum cholesterol and glucose levels
  • testosterone replacement has a favorable impact on body mass, insulin secretion and sensitivity, lipid profile and blood pressure in hypogonadal men with the metabolic syndrome as well as type 2 diabetes mellitus
  • Testosterone significantly inhibits lipoprotein lipase activity, which reduces triglycerides uptake into adipocytes in the abdominal adipose tissue
  • testosterone treatment decreased endogenous inflammatory cytokines (tumor necrosis factor-α and IL-1β) and lipids (total cholesterol) and increased IL-10 in hypogonadal men
  • Testosterone treatment reduced leptin and adiponectin levels in hypogonadal type 2 diabetic men after 3 months of testosterone replacement
  • available data clearly show a relationship between obesity, low testosterone levels and ED
  • Obesity adversely affects endothelial function and lowers serum testosterone levels through the development of insulin resistance and metabolic syndrome
  • Metabolic disturbances as well as production of cytokines and adipokines by inflamed fat cells may be causal factors in the development of ED
  • The onset of ED and the associated risk of CVD may be delayed through lifestyle modifications that affect obesity, such as diet and exercise
  • Very low testosterone levels contribute to the development of ED in obesity, metabolic syndrome and type 2 diabetes mellitus
  • Obesity is associated with low total testosterone levels that can be explained at least partially by lower sex hormone-binding globulin (SHBG) in obese men
  • epidemiological studies have shown a negative correlation between BMI and total testosterone and to a lesser extent with free and bioavailable (biologically active) testosterone levels
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    Obesity is associated with low Testosterone and ED in men.
Nathan Goodyear

Reduction of Inflammatory Cytokine Concentrations and Improvement of Endothelial Functi... - 0 views

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    adipose tissue releases inflammatory markers (cytokines IL-6, TNF-alpha, V-CAM-1, ICAM-1, and P-selectin). Associated endovascular disfunction and eventually cardiovascular disease.  A direct link between obesity induced inflammation and endovascular dysfunction.  Weight loss in these obese women reduced secretion of the associated inflammatory cytokines and thus decreased vascular dysfunction.
Nathan Goodyear

http://onlinelibrary.wiley.com/store/10.1002/hep.21080/asset/21080_ftp.pdf;jsessionid=C... - 0 views

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    small study looked at patients with liver cirrhosis.  The authors used a low dose of IV vitamin C (5 grams) and found that this improved endothelial dysfunction.  Patients with cirrhosis were found to be low in vitamin C.  The IV vitamin C was well tolerated, despite a low dose.
Nathan Goodyear

Vascular Aging in Women: is Estrogen the Fountain of Youth? - 0 views

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    Estrogen improves vascular function in postmenopausal women.  The mechanism of action is through the increased nitric oxide production with estrogen therapy.  This increase in nitric oxide reduces endothelial dysfunction.
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