Slin Sane + NOxidant and vascular endothelial functio

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    Slin Sane + NOxidant and vascular endothelial functio


    Heart Vessels. 2010 May;25(3):254-62. Epub 2010 May 29.
    Caloric restriction reverses high-fat diet-induced endothelial dysfunction and vascular superoxide production in C57Bl/6 mice.

    Ketonen J, Pilvi T, Mervaala E.

    Department of Pharmacology and Toxicology, University of Kuopio, Kuopio, Finland.
    Abstract

    Obesity is frequently associated with endothelial dysfunction. We hypothesized that high-fat feeding dysregulates the balance between endothelial derived nitric oxide and superoxide formation. Furthermore, we examined whether caloric restriction could reverse the detrimental vascular effects related to obesity. Male C57Bl/6 mice were fed with normal-fat diet (fat 17%) or high-fat diet (fat 60%) for 150 days. After establishment of obesity at day 100, a subgroup of obese mice were put on caloric restriction (CR) (70% of ad libitum energy intake) for an additional 50 days. At day 100, aortic rings from obese mice receiving high-fat diet showed impaired endothelium-dependent vasodilation in response to acetylcholine (ACh). Caloric restriction reversed high-fat diet-induced endothelial dysfunction. At day 150, impaired vasodilatory responses to ACh in obese mice without caloric restriction were markedly improved by preincubation with the tetrahydrobiopterin (BH(4)) precursor sepiapterin and L-arginine, a substrate for endothelial nitric oxide synthase (eNOS). Additionally, inhibition of vascular arginase by L-norvaline partially, and superoxide scavenging by Tiron completely, restored endothelial cell function. Obese mice showed increased vascular superoxide production, which was diminished by endothelial denudation, pretreated of the vascular rings with apocynin (an inhibitor of reduced nicotinamide adenine dinucleotide phosphate [NADPH] oxidase), oxypurinol (an inhibitor of xanthine oxidase), N(G)-nitro-L-arginine methyl ester (LNAME; an inhibitor of eNOS), or by adding the BH(4) precursor sepiapterin. Caloric restriction markedly attenuated vascular superoxide production. In obese mice on CR, endothelial denudation increased superoxide formation whereas vascular superoxide production was unaffected by L-NAME. Western blot analysis revealed decreased phosphorylated eNOS (Ser1177)-to-total eNOS expression ratio in obese mice as compared to lean controls, whereas the phospho-eNOS/NOS ratio in obese mice on CR did not differ from the lean controls. In conclusion, the present study suggests that caloric restriction reverses obesity induced endothelial dysfunction and vascular oxidative stress, and underscores the importance of uncoupled eNOS in the pathogenesis.

    PMID: 20512454 [PubMed - indexed for MEDLINE]

    NOxidant contains precursors necessary for proper formation of all isoforms of Superoxide Dismutase. As well, partial restoration of vascular endothelial function is restored by Arginase inhibition ala the Norvaline in SlinSane.

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    Taking both at this moment ,they are my staple!!
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    INDEED! I dose 3 caps NOxidant three times a day. My third dose is stacked with Slin-Sane. All washed down with Protocol/PLCAR/Ultima....
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    It appears Nutra has some NoXidant in the store for a great price
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    Quote Originally Posted by gainweightnow View Post
    It appears Nutra has some NoXidant in the store for a great price
    This is actually making me rethink doing a NOxidant formula update and rereleasing.

    I definitely see some changes I can make.
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    Quote Originally Posted by dsade View Post
    This is actually making me rethink doing a NOxidant formula update and rereleasing.

    I definitely see some changes I can make.
    that would be interesting
  

  
 

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