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umar111

Computer Science: Computer hardware - 0 views

computersciencetopper.blogspot.com/...computer-hardware.html

Best computer computer computer Science it blog

shared by umar111 on 26 Apr 23 - No Cached
  • umar111 on 26 Apr 23
     
    Computer Science Tuesday, April 25, 2023 Computer hardware Computer hardware is the physical components that make up a computer system. It includes everything from the central processing unit (CPU) to the monitor, keyboard, and mouse. Understanding the different types of hardware and how they work together is essential for anyone who works with computers. In this article, we will explore the various components of computer hardware, including internal and external components, and the peripherals that connect to them. We will also discuss the importance of hardware maintenance, the latest advancements in computer technology, and factors to consider when choosing the right hardware for your needs. Whether you are a computer technician, a gamer, or simply someone who uses a computer for everyday tasks, this article will help you better understand the world of computer hardware. Introduction to Computer Hardware Computer hardware refers to the physical components that make up a computer system. It includes everything from the processor and memory to input/output devices such as the keyboard and monitor. In this article, we will explore the different types of computer hardware and their functions. What is Computer Hardware Computer hardware refers to the physical components of a computer system. It includes all the components that can be touched, seen, and used to interact with a computer, such as the monitor, keyboard, and mouse. Hardware is different from computer software, which refers to the programs and applications that run on a computer system. History of Computer Hardware The history of computer hardware dates back to the 1820s when Charles Babbage, an English mathematician, and inventor, designed the first analytical engine, which was considered to be the first mechanical computer. With time, more complex electronic computers were developed, including the first Intel microprocessor in 1971. Since then, computer hardware has continued to evolve, becoming
brandnew12

Home Remedies: Longevity Tips - Kindle edition by John Okeniyi. Health, Fitness & D... - 0 views

www.amazon.com/B00QYI7SBQ

shared by brandnew12 on 14 Dec 14 - No Cached
  • brandnew12 on 14 Dec 14
     
    Are you struggling with the fact that you really don't know anything about how to get into shape? If you're busy living in yesterday's errors, many of your decisions will be founded on guilt and shame instead of what you really want (and need) to accomplish to achieve your goals. Real change comes from day-to-day choices and becoming mindful and basing your choices on what you need now (rather than what you did or didn't do yesterday) will make your exercise life much more passable. What if I can offer you a solution that will help you to attain greatness, to become a success and learn about the best ways to get in shape? In this book, you will learn about: - Navigate the Astral Plane - MIRROR MADNESS - The Health Zen - Vitamin Vitality - Native American Healing - Boost your Health with Gua Sha - Beautiful Body Essential - Secret of Food Combination - Lose Weight Fasting - Child Diet - many other useful things!
  • brandnew12 on 14 Dec 14
     
    Are you struggling with the fact that you really don't know anything about how to get into shape? If you're busy living in yesterday's errors, many of your decisions will be founded on guilt and shame instead of what you really want (and need) to accomplish to achieve your goals. Real change comes from day-to-day choices and becoming mindful and basing your choices on what you need now (rather than what you did or didn't do yesterday) will make your exercise life much more passable. What if I can offer you a solution that will help you to attain greatness, to become a success and learn about the best ways to get in shape? In this book, you will learn about: - Navigate the Astral Plane - MIRROR MADNESS - The Health Zen - Vitamin Vitality - Native American Healing - Boost your Health with Gua Sha - Beautiful Body Essential - Secret of Food Combination - Lose Weight Fasting - Child Diet - many other useful things!
  • brandnew12 on 14 Dec 14
     
    Are you struggling with the fact that you really don't know anything about how to get into shape? If you're busy living in yesterday's errors, many of your decisions will be founded on guilt and shame instead of what you really want (and need) to accomplish to achieve your goals. Real change comes from day-to-day choices and becoming mindful and basing your choices on what you need now (rather than what you did or didn't do yesterday) will make your exercise life much more passable. What if I can offer you a solution that will help you to attain greatness, to become a success and learn about the best ways to get in shape? In this book, you will learn about: - Navigate the Astral Plane - MIRROR MADNESS - The Health Zen - Vitamin Vitality - Native American Healing - Boost your Health with Gua Sha - Beautiful Body Essential - Secret of Food Combination - Lose Weight Fasting - Child Diet - many other useful things!
harshitatyagi

Why is getting pregnant so difficult? - 0 views

sco.lt/73xTBg

Why Can't I Get Pregnant? Why It's So Hard to Get Pregnant Reason for not getting pregnant when everything is normal Why didn t I get pregnant if I ovulated signs you can't get pregnant why is it so hard to get pregnant after a miscarriage

shared by harshitatyagi on 06 Oct 22 - No Cached
  • harshitatyagi on 06 Oct 22
     
    Usually, when getting pregnant becomes difficult, it leads to a situation where a woman faces infertility issues. As infertility is a never-ending illness in which conceiving becomes impossible either due to health conditions or a poor environment. Here find out the reasons why it becomes challenging to become pregnant?
becomea paramedic

My Paramedic Dream Came True - 1 views

Two years ago, I pursued my dream of becoming a paramedic in the London Ambulance Service. I know it would be tough since there were many applicants vying for the few slots. But, I was undeterred i...

How To Become A Paramedic

started by becomea paramedic on 28 Oct 11 no follow-up yet
Nathan Goodyear

Press-pulse: a novel therapeutic strategy for the metabolic management of cancer | Nutr... - 0 views

nutritionandmetabolism.biomedcentral.com/...s12986-017-0178-2

ketogenic diet ketogenic press-pulse hyperbaric oxygen therapy HBOTnutrition diet cancer HBOT IVC IV vitamin C DCA dichloracetic acid cancer therapy cancer treatment alternative cancer treatment

shared by Nathan Goodyear on 09 Jul 17 - No Cached
mamdouh_hfz liked it
  • A “press” disturbance was considered a chronic environmental stress on all organisms in an ecological community
  • “pulse” disturbances were considered acute events that disrupted biological communities to produce high mortality
  • Neoplasia involving dysregulated cell growth is the biological endpoint of the disease
  • ...84 more annotations...
  • Data from the American Cancer Society show that the rate of increase in cancer deaths/year (3.4%) was two-fold greater than the rate of increase in new cases/year (1.7%) from 2013 to 2017
  • cancer is predicted to overtake heart disease as the leading cause of death in Western societies
  • cancer can also be recognized as a metabolic disease.
  • glucose is first split into two molecules of pyruvate through the Embden–Meyerhof–Parnas glycolytic pathway in the cytosol
  • Aerobic fermentation, on the other hand, involves the production of lactic acid under normoxic conditions
  • persistent lactic acid production in the presence of adequate oxygen is indicative of abnormal respiration
  • Otto Warburg first proposed that all cancers arise from damage to cellular respiration
  • The Crabtree effect is an artifact of the in vitro environment and involves the glucose-induced suppression of respiration with a corresponding elevation of lactic acid production even under hyperoxic (pO2 = 120–160 mmHg) conditions associated with cell culture
  • the Warburg theory of insufficient aerobic respiration remains as the most credible explanation for the origin of tumor cells [2, 37, 51, 52, 53, 54, 55, 56, 57].
  • The main points of Warburg’s theory are; 1) insufficient respiration is the predisposing initiator of tumorigenesis and ultimately cancer, 2) energy through glycolysis gradually compensates for insufficient energy through respiration, 3) cancer cells continue to produce lactic acid in the presence of oxygen, and 4) respiratory insufficiency eventually becomes irreversible
  • Efraim Racker coined the term “Warburg effect”, which refers to the aerobic glycolysis that occurs in cancer cells
  • Warburg clearly demonstrated that aerobic fermentation (aerobic glycolysis) is an effect, and not the cause, of insufficient respiration
  • all tumor cells that have been examined to date contain abnormalities in the content or composition of cardiolipin
  • The evidence supporting Warburg’s original theory comes from a broad range of cancers and is now overwhelming
  • respiratory insufficiency, arising from any number mitochondrial defects, can contribute to the fermentation metabolism seen in tumor cells.
  • data from the nuclear and mitochondrial transfer experiments suggest that oncogene changes are effects, rather than causes, of tumorigenesis
  • Normal mitochondria can suppress tumorigenesis, whereas abnormal mitochondria can enhance tumorigenesis
  • In addition to glucose, cancer cells also rely heavily on glutamine for growth and survival
  • Glutamine is anapleurotic and can be rapidly metabolized to glutamate and then to α-ketoglutarate for entry into the TCA cycle
  • Glucose and glutamine act synergistically for driving rapid tumor cell growth
  • Glutamine metabolism can produce ATP from the TCA cycle under aerobic conditions
  • Amino acid fermentation can generate energy through TCA cycle substrate level phosphorylation under hypoxic conditions
  • Hif-1α stabilization enhances aerobic fermentation
  • targeting glucose and glutamine will deprive the microenvironment of fermentable fuels
  • Although Warburg’s hypothesis on the origin of cancer has created confusion and controversy [37, 38, 39, 40], his hypothesis has never been disproved
  • Warburg referred to the phenomenon of enhanced glycolysis in cancer cells as “aerobic fermentation” to highlight the abnormal production of lactic acid in the presence of oxygen
  • Emerging evidence indicates that macrophages, or their fusion hybridization with neoplastic stem cells, are the origin of metastatic cancer cells
  • Radiation therapy can enhance fusion hybridization that could increase risk for invasive and metastatic tumor cells
  • Kamphorst et al. in showing that pancreatic ductal adenocarcinoma cells could obtain glutamine under nutrient poor conditions through lysosomal digestion of extracellular proteins
  • It will therefore become necessary to also target lysosomal digestion, under reduced glucose and glutamine conditions, to effectively manage those invasive and metastatic cancers that express cannibalism and phagocytosis.
  • Previous studies in yeast and mammalian cells show that disruption of aerobic respiration can cause mutations (loss of heterozygosity, chromosome instability, and epigenetic modifications etc.) in the nuclear genome
  • The somatic mutations and genomic instability seen in tumor cells thus arise from a protracted reliance on fermentation energy metabolism and a disruption of redox balance through excess oxidative stress.
  • According to the mitochondrial metabolic theory of cancer, the large genomic heterogeneity seen in tumor cells arises as a consequence, rather than as a cause, of mitochondrial dysfunction
  • A therapeutic strategy targeting the metabolic abnormality common to most tumor cells should therefore be more effective in managing cancer than would a strategy targeting genetic mutations that vary widely between tumors of the same histological grade and even within the same tumor
  • Tumor cells are more fit than normal cells to survive in the hypoxic niche of the tumor microenvironment
  • Hypoxic adaptation of tumor cells allows for them to avoid apoptosis due to their metabolic reprograming following a gradual loss of respiratory function
  • The high rates of tumor cell glycolysis and glutaminolysis will also make them resistant to apoptosis, ROS, and chemotherapy drugs
  • Despite having high levels of ROS, glutamate-derived from glutamine contributes to glutathione production that can protect tumor cells from ROS
    • Nathan Goodyear
      Nathan Goodyear on 08 Feb 18
       
      reason to eliminate glutamine in cancer patients and even GSH with cancer patients
  • It is clear that adaptability to environmental stress is greater in normal cells than in tumor cells, as normal cells can transition from the metabolism of glucose to the metabolism of ketone bodies when glucose becomes limiting
  • Mitochondrial respiratory chain defects will prevent tumor cells from using ketone bodies for energy
  • glycolysis-dependent tumor cells are less adaptable to metabolic stress than are the normal cells. This vulnerability can be exploited for targeting tumor cell energy metabolism
  • In contrast to dietary energy reduction, radiation and toxic drugs can damage the microenvironment and transform normal cells into tumor cells while also creating tumor cells that become highly resistant to drugs and radiation
  • Drug-resistant tumor cells arise in large part from the damage to respiration in bystander pre-cancerous cells
  • Because energy generated through substrate level phosphorylation is greater in tumor cells than in normal cells, tumor cells are more dependent than normal cells on the availability of fermentable fuels (glucose and glutamine)
  • Ketone bodies and fats are non-fermentable fuels
  • Although some tumor cells might appear to oxidize ketone bodies by the presence of ketolytic enzymes [181], it is not clear if ketone bodies and fats can provide sufficient energy for cell viability in the absence of glucose and glutamine
  • Apoptosis under energy stress is greater in tumor cells than in normal cells
  • A calorie restricted ketogenic diet or dietary energy reduction creates chronic metabolic stress in the body
  • . This energy stress acts as a press disturbance
  • Drugs that target availability of glucose and glutamine would act as pulse disturbances
  • Hyperbaric oxygen therapy can also be considered another pulse disturbance
  • The KD can more effectively reduce glucose and elevate blood ketone bodies than can CR alone making the KD potentially more therapeutic against tumors than CR
  • Campbell showed that tumor growth in rats is greater under high protein (>20%) than under low protein content (<10%) in the diet
  • Protein amino acids can be metabolized to glucose through the Cori cycle
  • The fats in KDs used clinically also contain more medium chain triglycerides
  • Calorie restriction, fasting, and restricted KDs are anti-angiogenic, anti-inflammatory, and pro-apoptotic and thus can target and eliminate tumor cells through multiple mechanisms
  • Ketogenic diets can also spare muscle protein, enhance immunity, and delay cancer cachexia, which is a major problem in managing metastatic cancer
  • GKI values of 1.0 or below are considered therapeutic
  • The GKI can therefore serve as a biomarker to assess the therapeutic efficacy of various diets in a broad range of cancers.
  • It is important to remember that insulin drives glycolysis through stimulation of the pyruvate dehydrogenase complex
  • The water-soluble ketone bodies (D-β-hydroxybutyrate and acetoacetate) are produced largely in the liver from adipocyte-derived fatty acids and ketogenic dietary fat. Ketone bodies bypass glycolysis and directly enter the mitochondria for metabolism to acetyl-CoA
  • Due to mitochondrial defects, tumor cells cannot exploit the therapeutic benefits of burning ketone bodies as normal cells would
  • Therapeutic ketosis with racemic ketone esters can also make it feasible to safely sustain hypoglycemia for inducing metabolic stress on cancer cells
    • Nathan Goodyear
      Nathan Goodyear on 08 Feb 18
       
      Ketones are much more than energy adaptabilit, but actually are therapeutic.
  • ketone bodies can inhibit histone deacetylases (HDAC) [229]. HDAC inhibitors play a role in targeting the cancer epigenome
  • Therapeutic ketosis reduces circulating inflammatory markers, and ketones directly inhibit the NLRP3 inflammasome, an important pro-inflammatory pathway linked to carcinogenesis and an important target for cancer treatment response
  • Chronic psychological stress is known to promote tumorigenesis through elevations of blood glucose, glucocorticoids, catecholamines, and insulin-like growth factor (IGF-1)
  • In addition to calorie-restricted ketogenic diets, psychological stress management involving exercise, yoga, music etc. also act as press disturbances that can help reduce fatigue, depression, and anxiety in cancer patients and in animal models
  • Ketone supplementation has also been shown to reduce anxiety behavior in animal models
  • This physiological state also enhances the efficacy of chemotherapy and radiation therapy, while reducing the side effects
  • lower dosages of chemotherapeutic drugs can be used when administered together with calorie restriction or restricted ketogenic diets (KD-R)
  • Besides 2-DG, a range of other glycolysis inhibitors might also produce similar therapeutic effects when combined with the KD-R including 3-bromopyruvate, oxaloacetate, and lonidamine
    • Nathan Goodyear
      Nathan Goodyear on 08 Feb 18
       
      oxaloacetate is a glycolytic inhibitor, as is doxycycline, and IVC.
  • A synergistic interaction of the KD diet plus radiation was seen
  • It is important to recognize, however, that the radiotherapy used in glioma patients can damage the respiration of normal cells and increase availability of glutamine in the microenvironment, which can increase risk of tumor recurrence especially when used together with the steroid drug dexamethasone
  • Poff and colleagues demonstrated that hyperbaric oxygen therapy (HBOT) enhanced the ability of the KD to reduce tumor growth and metastasis
  • HBOT also increases oxidative stress and membrane lipid peroxidation of GBM cells in vitro
  • The effects of the KD and HBOT can be enhanced with administration of exogenous ketones, which further suppressed tumor growth and metastasis
  • Besides HBOT, intravenous vitamin C and dichloroacetate (DCA) can also be used with the KD to selectively increase oxidative stress in tumor cells
  • Recent evidence also shows that ketone supplementation may enhance or preserve overall physical and mental health
  • Some tumors use glucose as a prime fuel for growth, whereas other tumors use glutamine as a prime fuel [102, 186, 262, 263, 264]. Glutamine-dependent tumors are generally less detectable than glucose-dependent under FDG-PET imaging, but could be detected under glutamine-based PET imaging
  • GBM and use glutamine as a major fuel
  • Many of the current treatments used for cancer management are based on the view that cancer is a genetic disease
  • Emerging evidence indicates that cancer is a mitochondrial metabolic disease that depends on availability of fermentable fuels for tumor cell growth and survival
  • Glucose and glutamine are the most abundant fermentable fuels present in the circulation and in the tumor microenvironment
  • Low-carbohydrate, high fat-ketogenic diets coupled with glycolysis inhibitors will reduce metabolic flux through the glycolytic and pentose phosphate pathways needed for synthesis of ATP, lipids, glutathione, and nucleotides
  • Nathan Goodyear on 09 Jul 17
     
    Cancer is a mitochondrial disease? So says the well published Dr Seyfried. Glucose and glutamine drive cancer growth.
Nathan Goodyear

Utility of Salivary Cortisol Measurements in Cushing's Syndrome and Adrenal Insufficiency - 1 views

jcem.endojournals.org/...3647.abstract

saliva salivary cortisol hormone hormones test testing evaluation adrenal HPA axis BHRT

shared by Nathan Goodyear on 28 Nov 11 - No Cached
  • It is expected that the use of the measurement of salivary cortisol will become routine in the evaluation of patients with disorders of the HPA axis.
  • Nathan Goodyear on 28 Nov 11
     
    Salivary cortisol testing shown to have sensitivity and specificity that exceeds 90%.  Final Quote: "salivary cortisol will become routine in the evaluation of patients with disorders of the HPA axis
Nathan Goodyear

Branched-chain amino acids and muscle ammoni... [Metab Brain Dis. 2013] - PubMed - NCBI - 0 views

www.ncbi.nlm.nih.gov/...23315357

NH3 muscle brain urea cycle metabolism BCAA branched chain amino acids liver cirrhosis disease

shared by Nathan Goodyear on 10 Feb 14 - No Cached
  • BCAA metabolism may improve muscle net ammonia removal by supplying carbon skeletons for formation of alfa-ketoglutarate that combines with two ammonia molecules to become glutamine
  • Nathan Goodyear on 10 Feb 14
     
    Muscle becomes the primary mode of NH3 metabolism in liver cirrhosis.  The authors here propose that it is via an increase in muscle mass rather than specifically lowering NH3.  In fact, there is an early increase in NH3 production.
wheelchairindia9

Transport Chair - 0 views

disabilityproduct.in/...TRAVEL-WHEELCHAIR

Transport Wheelchairs For Active Wheelchair Users lightweight aluminium wheelchairs height adjustable frame vertical position of the rear wheel provide a smooth and true roll maximum weight capacity have swing-away leg rests

shared by wheelchairindia9 on 06 Aug 15 - No Cached
  • wheelchairindia9 on 06 Aug 15
     
    Lightweight wheelchairs provide convenience and comfort to the user and caregiver alike and are often built using materials like aluminum and titanium alloy, while foldable wheelchairs allow for easy storage and transport. Merge the two styles, and got a great mobility aid that isn't a pain to lug around. Utilizing small wheels and lighter materials, transport wheelchairs can tip the scale at as little as 19 lbs, ideal for those looking for a highly portable option. Transport chairs also tend to be more affordable and offer the benefit of increased mobility without breaking the bank. Transport wheelchairs or companion chairs are companion wheelchairs where the purpose is for a companion to push the user. Most transporters have swing-away leg rests, fixed armrests, and side panels. Instead of the usual large back - small front wheels typical of most wheelchairs, light travel chairs have four small wheels providing much easier maneuverability of the chair. Karma KM 2500 Small Wheel Wheelchair: Karma KM 2500 Small Wheel Wheelchair Specifications: Width 18" Front/Rear Wheels 6" to 14" Seat Width 47cm Seat Depth 40cm Overall Width 66cm Overall Collapsed Width 36cm Armrest Height 21cm Overall Length 90cm Seat Height 47cm Backrest Height 38cm Overall Height 86cm Weight 9.2 k.g. Karma KM 2500 Small Wheel Wheelchair Seat and Back: AEGIS Microbe Shield Approved by the FDA, EPA, EU, etc., bonded anti-microbial barrier upholstery protects from odor, staining and deterioration from bacteria, fungus and other microorganisms. It is a shield for your health. Karma KM 2500 Small Wheel Wheelchair Extended Armrest: By simulating the natural position of arms, the extended armrest design is ergonomic and creates bigger seating space. An Ultra lightweight wheelchair (9.2 kg) with a compact design for either attendant assisted or self propelling users. The use of aircraft-grade aluminium alloy and double cross brace provide this model
becomea paramedic

I Passed The Paramedic Recruitment Process on My First Attempt - 1 views

I really wanted to become a paramedic in the UK. That is why I went online and sought out the help of HowToBecomeAParamedic. They gave me useful insider tips, advice and products (which I bought,...

become a paramedic

started by becomea paramedic on 29 Sep 11 no follow-up yet
Nathan Goodyear

Pharmacological Ascorbate Radiosensitizes Pancreatic Cancer - 0 views

www.ncbi.nlm.nih.gov/...PMC4537815

cancer pancreatic cancer IV vitamin C vitamin c radiation

shared by Nathan Goodyear on 30 Jan 18 - No Cached
  • Previous studies from our laboratory have demonstrated that pharmacological ascorbate is cytotoxic to pancreatic cancer cells while normal cells are resistant
  • Ascorbate-induced cytotoxicity is mediated by the formation of H2O2 during the oxidation of ascorbate
  • the combination of IR + ascorbate increased the concentration of intracellular H2O2
  • ...17 more annotations...
  • Under steady-state conditions, intracellular GSH is maintained at millimolar concentrations, which keeps cells in a reduced environment and serves as the principal intracellular redox buffer when cells are subjected to an oxidative stressor including H2O2 (26). Glutathione peroxidase (GPx) activity catalyzes the reduction of H2O2 to water with the conversion of GSH to glutathione disulfide (GSSG). Under steady-state conditions, GSSG is recycled back to GSH by glutathione disulfide reductase using reducing equivalents from NADPH. However, under conditions of increased H2O2 flux, this recycling mechanism may become overwhelmed leading to a depletion of intracellular GSH (27, 28).
  • ascorbate radiosensitization can create an overwhelming oxidative stress to pancreatic cancer cells resulting in oxidation/depletion of the GSH intracellular redox buffer, resulting in cell death.
  • Treatment with the combination of ascorbate + IR significantly delayed tumor growth compared to controls or ascorbate alone
  • Ascorbate + IR also significantly increased overall survival compared to controls, IR alone or ascorbate alone
  • 54% of mice treated with the combination of IR + ascorbate had no measurable tumors
  • Glutathione is a measurable marker indicative of the oxidation state of the thiol redox buffer in cells. In severe systemic oxidative stress, the GSSG/2GSH couple may become oxidized, i.e. the concentration of GSH decreases and GSSG may increase because the capacity to recycle GSSG to GSH becomes rate-limiting
  • This suggests that the very high levels of pharmacological ascorbate in these experiments may have a pro-oxidant toward red blood cells as seen by a decrease in the capacity of the intracellular redox buffer
  • These data support the hypothesis that ascorbate radiosensitization does not cause an increase in oxidative damage from lipid-derived aldehydes to other organs.
  • Our current study demonstrates the potential for pharmacological ascorbate as a radiosensitizer in the treatment of pancreatic cancer.
  • pharmacological ascorbate enhances IR-induced cell killing and DNA fragmentation leading to induction of apoptosis in HL60 leukemia cells
  • pharmacological ascorbate significantly decreases clonogenic survival and inhibits the growth of all pancreatic cancer cell lines as a single agent, as well as sensitizes cancer cells to IR
  • Hurst et al. demonstrated that pharmacological ascorbate combined with IR leads to increased numbers of double-strand DNA breaks and cell cycle arrest when compared to either treatment alone
  • pharmacological ascorbate could serve as a “pro-drug” for the delivery of H2O2 to tumors
  • the double-strand breaks induced by H2O2 were more slowly repaired
  • The combination of ascorbate and IR provide two distinct mechanisms of action: ascorbate-induced toxicity due to extracellular production of H2O2 that then diffuses into cells and causes damage to DNA, protein, and lipids; and radiation-induced toxicity as a result of ROS-induced damage to DNA. In addition, redox metal metals like Fe2+ may play an important role in ascorbate-induced cytotoxicity. By catalyzing the oxidation of ascorbate, labile iron can enhance the rate of formation of H2O2; labile iron can also react with H2O2. Recently our group has demonstrated that pharmacological ascorbate and IR increase the labile iron in tumor homogenates from this murine model of pancreatic cancer
  • we demonstrated that ascorbate or IR alone decreased tumor growth, but the combination treatment further inhibited tumor growth, indicating that pharmacological ascorbate is an effective radiosensitizer in vivo
  • data suggest that pharmacological ascorbate may protect the gut locally by decreasing IR-induced damage to the crypt cells, and systemically, by ameliorating increases in TNF-α
  • Nathan Goodyear on 30 Jan 18
     
    IV vitamin C effective as radiosensitizer in pancreatic cancer.
Nathan Goodyear

Association between industry affiliation and position on cardiovascular risk with rosig... - 1 views

www.bmj.com/bmj.c1344

scientific research science rosiglitazone pharmaceutical money Big pharma

shared by Nathan Goodyear on 17 Dec 12 - No Cached
  • Nathan Goodyear on 17 Dec 12
     
    read to see how pharmaceutical monies control research and "expert opinion".  Expert opinion is open to the highest bidder.  Scientific research is become adulterated to say the least.
Nathan Goodyear

Persistent Subclinical Hypothyroidism and Cardiovascular Risk in the Elderly: The Cardi... - 0 views

jcem.endojournals.org/...533.abstract

subclinical hypothyroidism TSH cardiovascular elderly health

shared by Nathan Goodyear on 08 Feb 13 - No Cached
  • Nathan Goodyear on 08 Feb 13
     
    study finds no increased risk of CHD, HF, or CV death in subclinical hypothyroidism in older adults.  No insight is gained from this article, due to the use of TSH as the only tool for thyroid assessment.  TSH has been shown to become unreliable as a sole thyroid assessment tool an aging population.
Nathan Goodyear

The effect of common genetic variati... [J Clin Endocrinol Metab. 2012] - PubMed - NCBI - 0 views

www.ncbi.nlm.nih.gov/...22112815

saliva salivary hormone hormones depression 11-betaHSD1 HPA SNPs

shared by Nathan Goodyear on 10 Oct 12 - No Cached
  • Nathan Goodyear on 10 Oct 12
     
    hyperactive HPA axis associated with depression. This is becoming evident in the literature.  This study looked at SNPS in the etiology of elevated cortisol and/or androstenedione.  They followed the results with saliva and found that 3 SNPS were associated with increased 11Beta-HSD1 activity and associated increased depression.
wheelchairindia9

Karma KM 2500 Wheelchair - 0 views

www.wheelchairprice.in/...KM-2500-Small-Wheel-Wheelchair

Easily Folds KM 2500 Small Wheel Wheelchair convenient storage and transportation KM 2500 Wheelchair Karma KM 2500 Wheelchair Karma KM 2500 suitable for traveling purposes easy to clean

shared by wheelchairindia9 on 16 Oct 15 - No Cached
  • wheelchairindia9 on 16 Oct 15
     
    Karma KM 2500 Small Wheel Wheelchair: Karma KM 2500 Small Wheel Wheelchair Specifications: Width 18" Front/Rear Wheels 6" to 14" Seat Width 47cm Seat Depth 40cm Overall Width 66cm Overall Collapsed Width 36cm Armrest Height 21cm Overall Length 90cm Seat Height 47cm Backrest Height 38cm Overall Height 86cm Weight 9.2 k.g. Karma KM 2500 Small Wheel Wheelchair Seat and Back: AEGIS Microbe Shield Approved by the FDA, EPA, EU, etc., bonded anti-microbial barrier upholstery protects from odor, staining and deterioration from bacteria, fungus and other microorganisms. It is a shield for your health. Karma KM 2500 Small Wheel Wheelchair Extended Armrest: By simulating the natural position of arms, the extended armrest design is ergonomic and creates bigger seating space. An Ultra lightweight wheelchair (9.2 kg) with a compact design for either attendant assisted or self propelling users. The use of aircraft-grade aluminium alloy and double cross brace provide this model with outstanding strength and durability. Karma Healthcare KM-2500 Premium Wheelchair is amazingly light and compact transit wheelchair which is ideal for outings and travelers. It folds down to take up virtually no space in the boot of a car and weighs just over 9.2 kg making it easy for anyone to lift into a vehicle. Backrest folds-down for easy transportation. Maximum user weight: 100 K.g. Aluminium frame. Fixed armrest/fixed footrest. Foldable frame via double cross bars. Comfortable & durable upholstery. Swing-away foot plates. Puncture proof tyres. Attendant cable brake. 14" flat-free rear wheels. Detachable and washable cushion. One Year Warranty. It folds down to take up virtually no space in the boot of a car. This amazingly light and compact transit wheelchair is ideal for outings and travelling. It comes with detachable and washable cushion. The wheel chair has attendant cable brake. It is made from aircraft-grade aluminium alloy fra
wheelchairindia9

Karma KM 2500 Wheelchair - 0 views

www.wheelchaircostindia.com/...KM-2500-Small-Wheel-Wheelchair

Comfortable KM 2500 Small Wheel Wheelchair KM 2500 Wheelchair uncomplicated and stress free Karma KM 2500 Wheelchair overall lighter equipment Karma KM 2500 full sized battery for easy transportation

shared by wheelchairindia9 on 17 Oct 15 - No Cached
  • wheelchairindia9 on 17 Oct 15
     
    Karma KM 2500 Small Wheel Wheelchair: Karma KM 2500 Small Wheel Wheelchair Specifications: Width 18" Front/Rear Wheels 6" to 14" Seat Width 47cm Seat Depth 40cm Overall Width 66cm Overall Collapsed Width 36cm Armrest Height 21cm Overall Length 90cm Seat Height 47cm Backrest Height 38cm Overall Height 86cm Weight 9.2 k.g. Karma KM 2500 Small Wheel Wheelchair Seat and Back: AEGIS Microbe Shield Approved by the FDA, EPA, EU, etc., bonded anti-microbial barrier upholstery protects from odor, staining and deterioration from bacteria, fungus and other microorganisms. It is a shield for your health. Karma KM 2500 Small Wheel Wheelchair Extended Armrest: By simulating the natural position of arms, the extended armrest design is ergonomic and creates bigger seating space. An Ultra lightweight wheelchair (9.2 kg) with a compact design for either attendant assisted or self propelling users. The use of aircraft-grade aluminium alloy and double cross brace provide this model with outstanding strength and durability. Karma Healthcare KM-2500 Premium Wheelchair is amazingly light and compact transit wheelchair which is ideal for outings and travelers. It folds down to take up virtually no space in the boot of a car and weighs just over 9.2 kg making it easy for anyone to lift into a vehicle. Backrest folds-down for easy transportation. Maximum user weight: 100 K.g. Aluminium frame. Fixed armrest/fixed footrest. Foldable frame via double cross bars. Comfortable & durable upholstery. Swing-away foot plates. Puncture proof tyres. Attendant cable brake. 14" flat-free rear wheels. Detachable and washable cushion. One Year Warranty. It folds down to take up virtually no space in the boot of a car. This amazingly light and compact transit wheelchair is ideal for outings and travelling. It comes with detachable and washable cushion. The wheel chair has attendant cable brake. It is made from aircraft-grade aluminium alloy fra
Nathan Goodyear

http://onlinelibrary.wiley.com/store/10.1002/tre.178/asset/178_ftp.pdf;jsessionid=F122C... - 0 views

onlinelibrary.wiley.com/...C8E447F14B0F0AE2690DD32.f03t02

prostate cancer prostate cancer low T low Testosterone Testosterone therapy Testosterone

shared by Nathan Goodyear on 18 Sep 16 - No Cached
  • Nathan Goodyear on 18 Sep 16
     
    A revisit of the saturation model of Testosterone therapy and prostate cancer.  Review finds Testosterone therapy does not "appear to promote prostate cancer growth".  The saturation model is the thought around the AR.  At low concentrations, there is a greater sensitivity of Testosterone to AR binding at very low T levels; but above those very low T levels, prostate cancer becomes insensitive to the Testosterone.
Phiten Singapore

Benefits of Phiten AquaMetal Technology - 0 views

www.flickr.com/...dateposted-public

buysleepinggoods footmassagersingapore titaniumchainnecklacewomen titaniumchainnecklacemen titaniumchainnecklacesingapore phitenarmsleeve

shared by Phiten Singapore on 22 Dec 16 - No Cached
  • Phiten Singapore on 22 Dec 16
     
    AquaTitanium, Phiten's most commonly utilized AQUA-METAL, is used as a dye-like material and permeated into the fibers of Phiten fabric products becoming a component of the finished product.
Nathan Goodyear

Adipose Tissue: The New Endocrine Organ? - 0 views

www.springerlink.com/...fulltext.pdf

fat obesity adipocytokines cytokines adipocytes overweight inflammation inflammatory adipokines chemokines

shared by Nathan Goodyear on 31 May 12 - No Cached
  • Nathan Goodyear on 31 May 12
     
    fat and obesity becomes a hormone, inflammatory producing organ. Great read. You must be healthy to lose weight, not lose weigh to be healthy. The "fat" in obesity has been link to many of the chronic diseases of aging
Nathan Goodyear

Effects of progesterone administration on infarct volume and functional deficits follow... - 0 views

www.ncbi.nlm.nih.gov/...PMC2656912

progesterone hormone hormones brain neurology

shared by Nathan Goodyear on 10 Jul 12 - No Cached
  • Nathan Goodyear on 10 Jul 12
     
    progesterone shown to provide substantial reduction in volume of infarct in rat stroke model.  This is very promising, and with with other studies revealing the same benefit in the human brain, progesterone should become a part of initial treatment in those with acute brain injuries and should be evaluated for those with aging diseases of the brain.
Nathan Goodyear

Selenium in reproductive health - 0 views

www.ajog.org/...abstract

selenium pregnancy PIH PPROM PTL pre-eclampsia women glutathione detoxification

shared by Nathan Goodyear on 27 Jan 12 - No Cached
  • Nathan Goodyear on 27 Jan 12
     
    Many studies have been published on Selenium deficiency and decreased reproduction and pregnancy complications.  This study provides a nice review of Selenium and reproduction.  This is a just the abstract and will post the full article when it become available
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