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Nathan Goodyear

Frontiers | Nitrate Intake Promotes Shift in Muscle Fiber Type Composition during Sprint Interval Training in Hypoxia | Exercise Physiology - 0 views

journal.frontiersin.org/...full

nitrates vegetables nutrition diet muscle training exercise athletes

shared by Nathan Goodyear on 10 Oct 16 - No Cached
  • Nathan Goodyear on 10 Oct 16
     
    Nitrates from greens aid in athletic training.
Nathan Goodyear

Nutrients | Free Full-Text | Effect of Probiotics on Metabolic Outcomes in Pregnant Women with Gestational Diabetes: A Systematic Review and Meta-Analysis of Randomized Controlled Trials | HTML - 0 views

www.mdpi.com/...htm

probiotics alternative medicine natural medicine natural therapies diabetes gestational diabetes

shared by Nathan Goodyear on 15 May 17 - No Cached
  • The gut microbial composition is altered during pregnancy
  • probiotic supplements may contribute to the maintenance of bacterial diversity and glucose homeostasis in individuals with metabolic disturbances
  • Assessment of four randomized controlled trials in this review involving 288 pregnant women with GDM found that a 6–8 week probiotic intervention did not improve FBG or LDL-cholesterol levels
  • ...5 more annotations...
  • probiotic supplementation in women with GDM was associated with significant reductions in insulin resistance
  • One proposed method is by the production of short chain fatty acids (SCFAs), generated as a by-product of bacterial fermentation of dietary fibers. SCFAs act as an energy source for intestinal cells and have been found to regulate the production of hormones effecting energy intake and expenditure such as leptin and grehlin
  • Another hypothesized mechanism of SCFA action includes reducing gastrointestinal permeability by upregulating transcription of tight junction proteins, enhancing production of Glucagon-like peptide-2 (GLP-2) which promotes crypt cell proliferation, and reducing inflammation in colonic epithelial cells by increasing PPAR-gamma activation
  • Maintenance of the integrity of the gut barrier minimizes the concentration of lipopolysaccharide (LPS) in circulation
  • LPS is a structural component of gram negative bacterial cell walls, which induces an immune-cell response upon absorption into the human bloodstream, stimulating proinflammatory cytokine production and the onset of insulin resistance and hyperglycemia
  • Nathan Goodyear on 15 May 17
     
    Review (4 studies) found that 6-8 weeks of probiotic therapy of pregnant women with gestational diabetes improved insulin resistance.
  • Open TeleShop on 17 May 17
     
    Hey Dear Check Out Our Online Shopping store in all Over Pakistan.As Seen as On Tv Products Like as Health Beauty,Fitness,Homeware,Kitchenware,And Other Electronic Products in Pakistan Check Out Now| www.openTeleshop.Com
Nathan Goodyear

Hyperbaric Oxygen Therapy Can Improve Post Concussion Syndrome Years after Mild Traumatic Brain Injury - Randomized Prospective Trial - 0 views

www.ncbi.nlm.nih.gov/...PMC3829860

hbot hyperbaric therapy hyperbaric brain concussion post concussion syndrome TBI traumatic brain injury

shared by Nathan Goodyear on 17 May 17 - No Cached
  • The changes in SPECT images after treatment indicate that HBOT led to reactivation of neuronal activity in stunned areas that seemed normal under CT and MRI imaging. While SPECT imaging has a limited spatial resolution (compared, for example, to fMRI), the changes in activity were sufficiently robust to be clearly detected by the SPECT images.
  • HBOT might initiate a cellular and vascular repair mechanism and improve cerebral vascular flow
  • HBOT induces regeneration of axonal white matter [61], [62], [63], [64], has positive effect upon the myelinization and maturation of injured neural fibers [65], and can stimulate axonal growth and increase the ability of neurons to function and communicate with each other
  • ...6 more annotations...
  • HBOT was found to have a role in initiation and/or facilitation of angiogenesis and cell proliferation processes needed for axonal regeneration [67].
  • The observed reactivation of neuronal activity in the stunned areas found here, along with similar results in post-stroke patients
  • At the cellular level, HBOT can improve cellular metabolism, reduce apoptosis, alleviate oxidative stress and increase levels of neurotrophins and nitric oxide through enhancement of mitochondrial function (in both neurons and glial cells)
  • HBOT may promote the neurogenesis of endogenous neural stem cells
  • With regard to secondary injury mechanisms in mTBI, HBOT can initiate vascular repair mechanism and improve cerebral vascular flow [58], [59], [68], [69], promote blood brain barrier integrity and reduce inflammatory reactions [28] as well as brain edema
  • It might be possible that HBOT enables the metabolic change simply by supplying the missing energy/oxygen needed for those regeneration processes.
  • Nathan Goodyear on 17 May 17
     
    Hbot therapy, according to study, induces neuroplasticity and improves brain function in post concussion syndrome and those with mTBI.  The important point about this study was that the study was done years after the injury; what if the therapy was employed immediately after...
Nathan Goodyear

Variable responses of human microbiomes to dietary supplementation with resistant starch | Microbiome | Full Text - 0 views

microbiomejournal.biomedcentral.com/...s40168-016-0178-x

gut gut microbiome gut bacteria gut flora gut microbiota diet butyrate fiber

shared by Nathan Goodyear on 08 Jun 17 - No Cached
  • Nathan Goodyear on 08 Jun 17
     
    Research suggests that the gut microbiome may determine the effectiveness of therapy.  The future may be to determine the gut micrboiome, which will then dictate therapy.
Nathan Goodyear

Frontiers | Microbiome-Derived Lipopolysaccharide Enriched in the Perinuclear Region of Alzheimer's Disease Brain | Immunology - 0 views

journal.frontiersin.org/...full

LPS lipopolysaccharides Alzheimer's disease brain inflammation

shared by Nathan Goodyear on 23 Sep 17 - No Cached
  • lipopolysaccharides (LPS), either alone or in combination, have indicated that when compared, bacterial LPSs exhibit the strongest induction of pro-inflammatory signaling in human neuronal–glial cells in primary coculture of any single inducer, and different LPS extracts from different gastrointestinal (GI)-tract resident Gram-negative bacteria appeared to have different pro-inflammatory potential
  • powerful inducer of the NF-κB
  • In both neocortex and hippocampus, LPS has been detected to range from a ~7- to ~21-fold increase abundance in AD brain
  • ...15 more annotations...
  • Major Gram-negative bacilli of the human GI-tract, such as the abundant B. fragilis and Escherichia coli (E. coli), are capable of discharging a remarkably complex assortment of pro-inflammatory neurotoxins
  • (i) bacterial amyloids (10, 21); (ii) endotoxins and exotoxins (5, 12); (iii) LPS (12, 18); and (iv) small non-coding RNAs (sncRNAs)
  • integral components of the outer leaflet of the outer membrane of Gram-negative bacteria, LPS
  • LPS, the major molecular component of the outer membrane of Gram-negative bacteria normally serves as a physical barrier providing the bacteria protection from its surroundings
  • LPS is also recognized by the immune system as a marker for the detection of bacterial pathogen invasion and responsible for the development of inflammatory response is perhaps the most potent stimulator and trigger of inflammation known
  • AD-affected brains have remarkably large loads of bacterial-derived toxins compared to controls. The transfer of noxious, pro-inflammatory molecules from the GI-tract microbiome to the CNS may be increasingly important during the course of aging when both the GI-tract and blood–brain barriers become significantly more permeable
  • first evidence of a perinuclear association of LPS with AD brain cell nuclei
  • LPS-mediated stimulation of chronic inflammation, beta-amyloid accumulation, and episodic memory decline in murine models of AD (39, 40) and a biophysical association of LPS with amyloid deposits and blood vessels in human AD patients
  • Strong adherence of LPS to the nuclear periphery has recently been shown to inhibit nuclear maturation and function that may impair or block export of mRNA signals from brain cell nuclei, a highly active organelle with extremely high rates of transcription, mRNA processing, and export into the cytoplasm
  • LPS may be further injurious to the nuclear membrane just as LPS contributes to cerebrovascular endothelial cell membrane injury
  • high intake of dietary fiber is a strong inhibitor of B. fragilis abundance and proliferation in the intact human GI-tract and as such is a potent inhibitor of the neurotoxic B. fragilis-derived amyloids, LPS, enterotoxins, and sncRNAs.
  • GI-tract microbiome-derived LPS may be an important initiator and/or significant contributor to inflammatory degeneration in the AD CNS
  • LPS has been recently localized to the same anatomical regions involved in AD-type neuropathology
  • a known pro-inflammatory transcription factor complex that triggers the expression of pathogenic pathways involved in neurodegenerative inflammation
  • pro-inflammatory amyloids, endo- and exotoxins, LPSs, and sncRNAs but also serve as potent sources of membrane-disrupting agents
  • Nathan Goodyear on 23 Sep 17
     
    LPS links gut to inflammation in Alzheimer's disease
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