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Nathan Goodyear

Consuming fructose-sweetened, not glucose-sweetened, beverages increases visceral adiposity and lipids and decreases insulin sensitivity in overweight/obese humans - 0 views

www.ncbi.nlm.nih.gov/...PMC2673878

obesity fructose soda weight-gain overweight

shared by Nathan Goodyear on 09 Sep 12 - No Cached
  • Nathan Goodyear on 09 Sep 12
     
    fructose intake, whether in foods or soda, is associated with disrupted metabolism and plays a major role in obesity.
Nathan Goodyear

Oxidative Stress and Stress-Activated Signaling Pathways: A Unifying Hypothesis of Type 2 Diabetes - 0 views

edrv.endojournals.org/...599.long

free radicals oxidative stress damage inflammation type II DM alpha lipoic acid alpha-lipoic-acid diabetes

shared by Nathan Goodyear on 02 Aug 12 - No Cached
  • In patients with diabetes, LA levels are reduced (48, 74, 103). LA has long been used for the treatment of diabetic neuropathy in Germany
  • evidence indicates that it increases insulin sensitivity in patients with type 2 diabetes
  • LA has been shown to 1) quench free radicals, 2) prevent singlet oxygen-induced DNA damage, 3) exhibit chelating activity, 4) reduce lipid peroxidation, 5) increase intracellular glutathione levels, and 6) prevent glycation of serum albumin (73, 74). LA is able to reduce oxidative stress-mediated NF-κB activation in vitro (74, 108, 109) and in patients with type 2 diabetes
  • ...2 more annotations...
  • Activation of NF-κB can also be blocked by several other thiol-containing antioxidants including N-acetyl-l-cysteine (NAC)
  • Other clinically available antioxidants reported to have antiinflammatory, antioncogenic, and/or antiatherogenic properties that have been shown to block the activation of NF-κB include resveratrol (115, 116), (-)-epicatechin-3-gallate (117), pycnogenol (118), silymarin (119), and curcumin (120)
  • Nathan Goodyear on 02 Aug 12
     
    Great read!  If you want to see how free radicals and oxidative stress contribute to inflammation and disease (DM in this case), read this article.
Nathan Goodyear

http://cdn.intechopen.com/pdfs-wm/27785.pdf - 0 views

cdn.intechopen.com/...27785.pdf

low T low testosterone low T Testosterone men male hormone hormones LUTS BPH prostate lower urinary tract symptoms

shared by Nathan Goodyear on 04 Jan 15 - No Cached
  • Nathan Goodyear on 04 Jan 15
     
    Nice review of the literature of low T and LUTS in men.
Nathan Goodyear

Normalization of testosterone level is associated with reduced incidence of myocardial infarction and mortality in men | European Heart Journal - 0 views

eurheartj.oxfordjournals.org/...2706

low T low Testosterone Testosterone Testosterone therapy mortality MI stroke heart men male hormones

shared by Nathan Goodyear on 18 Jan 16 - No Cached
  • In this study of men with low TT levels and without prior MI or stroke, normalization of TT levels using TRT is associated with lower all-cause mortality, fewer MIs, and ischaemic strokes.
  • retrospective study
  • significant benefit is observed only if the dose is adequate to normalize the TT levels
  • ...9 more annotations...
  • the mechanisms for these effects remain speculative
  • It can be postulated that the beneficial effect of normal T levels on adipose tissue, insulin sensitivity, and lipid profiles or by its anti-inflammatory and anticoagulant properties, as reported by other investigators, might have contributed to our findings
  • off-label use of TRT remains a concern
  • Recent FDA analyses suggest that currently only half of the men on TRT had been diagnosed with hypogonadism
  • 25% of users did not have their T concentrations tested prior to initiating therapy
  • 21% of those prescribed TRT did not have their levels tested at any time during treatment
  • two very recent meta-analyses suggested a lack of convincing evidence posed by TRT.
  • men without a history of previous MI or stroke who have low TT levels, TRT might be associated with decreased risks of MI, ischaemic stroke, and all-cause mortality in long-term follow-up
  • TRT should aim for doses resulting in normalization of TT level as this was shown to be associated with reduction in adverse CV events
  • Nathan Goodyear on 18 Jan 16
     
    Testosterone therapy in men with low T to restore physiologic Testosterone levels found to reduce mortality, MI, and stroke risk.
Nathan Goodyear

Redox regulation in cancer - 0 views

www.ncbi.nlm.nih.gov/...PMC2835886

estrogen cancer stem cells reaction" CSC hormones cancer Redox

shared by Nathan Goodyear on 08 Nov 18 - No Cached
  • Mitochondrial electron-transport chain and other oxidizing agents are the prime pathways that generate excess ROS in vivo
  • Permanent modification of genetic material resulting from the oxidative damage is one of the vital steps involved in mutagenesis that leads to carcinogenesi
  • The most frequent DNA mutations caused during oxidative stress, initiated by ionizing radiation and other environmental carcinogens are 7,8-dihydro-8-oxoguanine (8-Oxo-G) and Thymine Glycol (TG)
  • ...3 more annotations...
  • catalase and SOD, GPx, GST
  • insulin like growth factor I, or fibroblast growth factor 2 generates ROS
  • Depletion of GSH increases the sensitivity of cells to ROS
  • Nathan Goodyear on 08 Nov 18
     
    The redox reaction in cancer: great read!
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